telegps-v0.1 telegps-v0.1/flash-loader \
stm-bringup stm-demo \
telelco-v0.2 telelco-v0.2/flash-loader \
- telescience-v0.2 telescience-v0.2/flash-loader
+ telescience-v0.2 telescience-v0.2/flash-loader \
+ easymini-v0.1
ifneq ($(shell which sdcc),)
SUBDIRS += $(SDCCDIRS)
*/
#define ao_spi_get_mask(reg,mask,bus,speed) do { \
- (reg) &= ~(mask); \
+ (reg) &= ~(mask); \
} while (0)
#define ao_spi_put_mask(reg,mask,bus) do { \
(reg) |= (mask); \
} while (0)
-#define ao_spi_get_bit(reg,bit,pin,bus,speed) do { \
- (pin) = 0; \
- } while (0)
-
-#define ao_spi_put_bit(reg,bit,pin,bus) do { \
- (pin) = 1; \
- } while (0)
+#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<(bit)),bus,speed)
+#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<(bit)),bus)
#define ao_gpio_token_paster(x,y) x ## y
#define ao_gpio_token_evaluator(x,y) ao_gpio_token_paster(x,y)
#define ao_exti_init()
#define AO_EXTI_MODE_RISING 1
+#define AO_EXTI_PIN_NOCONFIGURE 0
#endif /* _AO_EXTI_H_ */
#define HAS_TASK 1
#endif
+#ifndef AO_PORT_TYPE
+#define AO_PORT_TYPE uint8_t
+#endif
+
+typedef AO_PORT_TYPE ao_port_t;
+
#if HAS_TASK
#include <ao_task.h>
#else
#define AO_PANIC_SPI 13 /* SPI communication failure */
#define AO_PANIC_CRASH 14 /* Processor crashed */
#define AO_PANIC_BUFIO 15 /* Mis-using bufio API */
+#define AO_PANIC_EXTI 16 /* Mis-using exti API */
#define AO_PANIC_SELF_TEST_CC1120 0x40 | 1 /* Self test failure */
#define AO_PANIC_SELF_TEST_HMC5883 0x40 | 2 /* Self test failure */
#define AO_PANIC_SELF_TEST_MPU6000 0x40 | 3 /* Self test failure */
void
ao_adc_sleep(void);
-/* Get a copy of the last complete sample set */
-void
-ao_data_get(__xdata struct ao_data *packet);
-
/* Initialize the A/D converter */
void
ao_adc_init(void);
--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_data.h>
+
+volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING];
+volatile __data uint8_t ao_data_head;
+volatile __data uint8_t ao_data_present;
+
+void
+ao_data_get(__xdata struct ao_data *packet)
+{
+#if HAS_FLIGHT
+ uint8_t i = ao_data_ring_prev(ao_sample_data);
+#else
+ uint8_t i = ao_data_ring_prev(ao_data_head);
+#endif
+ memcpy(packet, (void *) &ao_data_ring[i], sizeof (struct ao_data));
+}
#define ao_data_ring_next(n) (((n) + 1) & (AO_DATA_RING - 1))
#define ao_data_ring_prev(n) (((n) - 1) & (AO_DATA_RING - 1))
+/* Get a copy of the last complete sample set */
+void
+ao_data_get(__xdata struct ao_data *packet);
+
extern volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING];
extern volatile __data uint8_t ao_data_head;
extern volatile __data uint8_t ao_data_present;
ao_usb_disable();
#endif
-#if !HAS_ACCEL
+#if !HAS_ACCEL && PACKET_HAS_SLAVE
/* Disable packet mode in pad state on TeleMini */
ao_packet_slave_stop();
#endif
*/
ao_sleep(DATA_TO_XDATA(&ao_sample_data));
while (ao_log_data != ao_sample_data) {
- sum += ao_data_ring[ao_log_data].adc.pres;
+ sum += ao_data_pres(&ao_data_ring[ao_log_data]);
count++;
ao_log_data = ao_data_ring_next(ao_log_data);
}
#define AO_USB_INT_EP 1
#define AO_USB_INT_SIZE 8
+#ifndef AO_USB_OUT_EP
#define AO_USB_OUT_EP 4
#define AO_USB_IN_EP 5
+#endif
+
/*
* USB bulk packets can only come in 8, 16, 32 and 64
* byte sizes, so we'll use 64 for everything
#if M25_MAX_CHIPS > 1
static uint8_t ao_m25_size[M25_MAX_CHIPS]; /* number of sectors in each chip */
-static uint8_t ao_m25_pin[M25_MAX_CHIPS]; /* chip select pin for each chip */
+static ao_port_t ao_m25_pin[M25_MAX_CHIPS]; /* chip select pin for each chip */
static uint8_t ao_m25_numchips; /* number of chips detected */
#endif
static uint8_t ao_m25_total; /* total sectors available */
* Block until the specified chip is done writing
*/
static void
-ao_m25_wait_wip(uint8_t cs)
+ao_m25_wait_wip(ao_port_t cs)
{
if (ao_m25_wip & cs) {
M25_SELECT(cs);
* so that future operations will block until the WIP bit goes off
*/
static void
-ao_m25_write_enable(uint8_t cs)
+ao_m25_write_enable(ao_port_t cs)
{
M25_SELECT(cs);
ao_m25_instruction[0] = M25_WREN;
* Returns the number of 64kB sectors
*/
static uint8_t
-ao_m25_read_capacity(uint8_t cs)
+ao_m25_read_capacity(ao_port_t cs)
{
uint8_t capacity;
M25_SELECT(cs);
return 1 << (capacity - 0x10);
}
-static uint8_t
+static ao_port_t
ao_m25_set_address(uint32_t pos)
{
- uint8_t chip;
+ ao_port_t mask;
#if M25_MAX_CHIPS > 1
uint8_t size;
+ uint8_t chip;
for (chip = 0; chip < ao_m25_numchips; chip++) {
size = ao_m25_size[chip];
if (chip == ao_m25_numchips)
return 0xff;
- chip = ao_m25_pin[chip];
+ mask = ao_m25_pin[chip];
#else
- chip = AO_M25_SPI_CS_MASK;
+ mask = AO_M25_SPI_CS_MASK;
#endif
- ao_m25_wait_wip(chip);
+ ao_m25_wait_wip(mask);
ao_m25_instruction[1] = pos >> 16;
ao_m25_instruction[2] = pos >> 8;
ao_m25_instruction[3] = pos;
- return chip;
+ return mask;
}
/*
uint8_t
ao_storage_erase(uint32_t pos) __reentrant
{
- uint8_t cs;
+ ao_port_t cs;
if (pos >= ao_storage_total || pos + ao_storage_block > ao_storage_total)
return 0;
uint8_t
ao_storage_device_write(uint32_t pos, __xdata void *d, uint16_t len) __reentrant
{
- uint8_t cs;
+ ao_port_t cs;
if (pos >= ao_storage_total || pos + len > ao_storage_total)
return 0;
uint8_t
ao_storage_device_read(uint32_t pos, __xdata void *d, uint16_t len) __reentrant
{
- uint8_t cs;
+ ao_port_t cs;
if (pos >= ao_storage_total || pos + len > ao_storage_total)
return 0;
ao_storage_device_info(void) __reentrant
{
#if M25_DEBUG
- uint8_t cs;
+ ao_port_t cs;
#endif
#if M25_MAX_CHIPS > 1
uint8_t chip;
static void
ao_ms5607_start(void) {
- ao_spi_get(AO_MS5607_SPI_INDEX,AO_SPI_SPEED_FAST);
- ao_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, 0);
+ ao_spi_get_bit(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, AO_MS5607_SPI_INDEX, AO_SPI_SPEED_FAST);
}
static void
ao_ms5607_stop(void) {
- ao_gpio_set(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, 1);
- ao_spi_put(AO_MS5607_SPI_INDEX);
+ ao_spi_put_bit(AO_MS5607_CS_PORT, AO_MS5607_CS_PIN, AO_MS5607_CS, AO_MS5607_SPI_INDEX);
}
static void
*/
ao_exti_setup(AO_MS5607_MISO_PORT,
AO_MS5607_MISO_PIN,
- AO_EXTI_MODE_RISING,
+ AO_EXTI_MODE_RISING|
+ AO_EXTI_PIN_NOCONFIGURE,
ao_ms5607_isr);
-
-#ifdef STM_MODER_ALTERNATE
- /* Reset the pin from INPUT to ALTERNATE so that SPI works
- * This needs an abstraction at some point...
- */
- stm_moder_set(AO_MS5607_MISO_PORT,
- AO_MS5607_MISO_PIN,
- STM_MODER_ALTERNATE);
-#endif
}
#endif
--- /dev/null
+ao_product.h
+*.elf
--- /dev/null
+#
+# AltOS build
+#
+#
+
+include ../lpc/Makefile.defs
+
+INC = \
+ ao.h \
+ ao_arch.h \
+ ao_arch_funcs.h \
+ ao_pins.h \
+ ao_product.h \
+ lpc.h
+
+#
+# Common AltOS sources
+#
+ALTOS_SRC = \
+ ao_interrupt.c \
+ ao_romconfig.c \
+ ao_product.c \
+ ao_mutex.c \
+ ao_panic.c \
+ ao_stdio.c \
+ ao_storage.c \
+ ao_report.c \
+ ao_ignite.c \
+ ao_flight.c \
+ ao_kalman.c \
+ ao_sample.c \
+ ao_data.c \
+ ao_convert_pa.c \
+ ao_led_lpc.c \
+ ao_task.c \
+ ao_log.c \
+ ao_log_tiny.c \
+ ao_cmd.c \
+ ao_config.c \
+ ao_timer_lpc.c \
+ ao_exti_lpc.c \
+ ao_serial_lpc.c \
+ ao_usb_lpc.c \
+ ao_spi_lpc.c \
+ ao_adc_lpc.c \
+ ao_beep_lpc.c \
+ ao_m25.c \
+ ao_ms5607.c
+
+PRODUCT=EasyMini-v0.1
+PRODUCT_DEF=-DEASYMINI_V_0_1
+IDPRODUCT=0x000a
+
+CFLAGS = $(PRODUCT_DEF) $(LPC_CFLAGS) -g -Os
+
+PROGNAME=easymini-v0.1
+PROG=$(PROGNAME)-$(VERSION).elf
+
+SRC=$(ALTOS_SRC) ao_easymini.c
+OBJ=$(SRC:.c=.o)
+
+all: $(PROG)
+
+LDFLAGS=-L../lpc -Wl,-Taltos.ld
+
+$(PROG): Makefile $(OBJ)
+ $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) $(SAT_CLIB) -lgcc
+
+ao_product.h: ao-make-product.5c ../Version
+ $(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@
+
+$(OBJ): $(INC)
+
+load: $(PROG)
+ lpc-load $(PROG)
+
+distclean: clean
+
+clean:
+ rm -f *.o $(PROG)
+ rm -f ao_product.h
+
+install:
+
+uninstall:
--- /dev/null
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_exti.h>
+
+void
+main(void)
+{
+ ao_clock_init();
+ ao_task_init();
+ ao_timer_init();
+ ao_exti_init();
+
+ ao_beep_init();
+
+ ao_adc_init();
+ ao_spi_init();
+ ao_storage_init();
+
+ ao_usb_init();
+
+ ao_cmd_init();
+ ao_flight_init();
+ ao_ms5607_init();
+ ao_log_init();
+ ao_report_init();
+ ao_igniter_init();
+ ao_config_init();
+
+ ao_start_scheduler();
+}
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#define HAS_BEEP 1
+#define HAS_LED 1
+
+/* Crystal on the board */
+#define AO_LPC_CLKIN 12000000
+
+/* Main clock frequency. 48MHz for USB so we don't use the USB PLL */
+#define AO_LPC_CLKOUT 48000000
+
+/* System clock frequency */
+#define AO_LPC_SYSCLK 24000000
+
+#define LED_PORT 0
+#define LED_PIN_RED 7
+
+#define AO_LED_RED (1 << LED_PIN_RED)
+
+#define LEDS_AVAILABLE AO_LED_RED
+
+#define HAS_USB 1
+
+#define HAS_USB_CONNECT 0
+#define HAS_USB_VBUS 0
+
+#define PACKET_HAS_SLAVE 0
+
+/* USART */
+
+#define HAS_SERIAL 1
+#define USE_SERIAL_0_STDIN 1
+#define SERIAL_0_18_19 1
+#define SERIAL_0_14_15 0
+#define SERIAL_0_17_18 0
+#define SERIAL_0_26_27 0
+
+/* SPI */
+
+#define HAS_SPI_0 1
+#define SPI_SCK0_P0_6 1
+#define HAS_SPI_1 1
+#define SPI_SCK1_P1_15 1
+#define SPI_MISO1_P0_22 1
+#define SPI_MOSI1_P0_21 1
+
+/* M25 */
+
+#define M25_MAX_CHIPS 1
+#define AO_M25_SPI_CS_PORT 0
+#define AO_M25_SPI_CS_MASK (1 << 23)
+#define AO_M25_SPI_BUS 1
+
+/* MS5607 */
+
+#define HAS_MS5607 1
+#define HAS_MS5611 0
+#define AO_MS5607_PRIVATE_PINS 0
+#define AO_MS5607_CS_PORT 0
+#define AO_MS5607_CS_PIN 7
+#define AO_MS5607_CS_MASK (1 << AO_MS5607_CS_PIN)
+#define AO_MS5607_MISO_PORT 0
+#define AO_MS5607_MISO_PIN 8
+#define AO_MS5607_MISO_MASK (1 << AO_MS5607_MISO_PIN)
+#define AO_MS5607_SPI_INDEX 0
+
+#define HAS_ACCEL 0
+#define HAS_GPS 0
+#define HAS_RADIO 0
+#define HAS_FLIGHT 1
+#define HAS_EEPROM 1
+#define HAS_TELEMETRY 0
+#define HAS_APRS 0
+#define HAS_LOG 1
+#define USE_INTERNAL_FLASH 0
+#define HAS_IGNITE 1
+#define HAS_IGNITE_REPORT 1
+
+#define AO_DATA_RING 16
+
+/*
+ * ADC
+ */
+
+#define HAS_ADC 1
+
+#define AO_NUM_ADC 3
+
+#define AO_ADC_0 1
+#define AO_ADC_1 1
+#define AO_ADC_2 1
+
+struct ao_adc {
+ int16_t sense_d;
+ int16_t sense_m;
+ int16_t v_batt;
+};
+
+/*
+ * Igniter
+ */
+
+#define AO_IGNITER_CLOSED 400
+#define AO_IGNITER_OPEN 60
+
+#define AO_IGNITER_DROGUE_PORT 0
+#define AO_IGNITER_DROGUE_PIN 2
+#define AO_IGNITER_SET_DROGUE(v) ao_gpio_set(AO_IGNITER_DROGUE_PORT, AO_IGNITER_DROGUE_PIN, AO_IGNITER_DROGUE, v)
+
+#define AO_IGNITER_MAIN_PORT 0
+#define AO_IGNITER_MAIN_PIN 3
+#define AO_IGNITER_SET_MAIN(v) ao_gpio_set(AO_IGNITER_MAIN_PORT, AO_IGNITER_MAIN_PIN, AO_IGNITER_MAIN, v)
+
+#define AO_ADC_DUMP(p) \
+ printf("tick: %5u drogue: %5d main: %5d batt: %5d\n", \
+ (p)->tick, (p)->adc.sense_d, (p)->adc.sense_m, (p)->adc.v_batt)
--- /dev/null
+vpath % ../lpc:../product:../drivers:../core:../util:../kalman:../aes:..
+vpath make-altitude ../util
+vpath make-kalman ../util
+vpath kalman.5c ../kalman
+vpath kalman_filter.5c ../kalman
+vpath load_csv.5c ../kalman
+vpath matrix.5c ../kalman
+vpath ao-make-product.5c ../util
+
+CC=/usr/bin/arm-none-eabi-gcc
+SAT=/opt/cortex
+SAT_CLIB=$(SAT)/lib/pdclib-cortex-m0.a
+SAT_CFLAGS=-I$(SAT)/include
+
+ifndef VERSION
+include ../Version
+endif
+
+AO_CFLAGS=-I. -I../lpc -I../core -I../drivers -I..
+LPC_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m0 -mthumb -ffreestanding -nostdlib $(AO_CFLAGS) $(SAT_CFLAGS)
+
+LDFLAGS=-L../stm -Wl,-Taltos.ld
+
+NICKLE=nickle
+
+V=0
+# The user has explicitly enabled quiet compilation.
+ifeq ($(V),0)
+quiet = @printf " $1 $2 $@\n"; $($1)
+endif
+# Otherwise, print the full command line.
+quiet ?= $($1)
+
+.c.o:
+ $(call quiet,CC) -c $(CFLAGS) -o $@ $<
+
+ao_serial_lpc.h: ../lpc/baud_rate ao_pins.h
+ nickle ../lpc/baud_rate `awk '/AO_LPC_CLKOUT/{print $$3}' ao_pins.h` > $@
+
+ao_serial_lpc.o: ao_serial_lpc.h
+
+.DEFAULT_GOAL=all
--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+MEMORY {
+ rom (rx) : ORIGIN = 0x00000000, LENGTH = 32K
+ ram (!w) : ORIGIN = 0x10000000, LENGTH = 4K - 128
+ usb (!x) : ORIGIN = 0x20004000 + 2K - 256, LENGTH = 256
+ stack (!w) : ORIGIN = 0x10000000 + 4K - 128, LENGTH = 128
+}
+
+INCLUDE registers.ld
+
+EXTERN (lpc_interrupt_vector)
+
+SECTIONS {
+ /*
+ * Rom contents
+ */
+
+ .text ORIGIN(rom) : {
+ __text_start__ = .;
+ *(.interrupt) /* Interrupt vectors */
+
+ . = ORIGIN(rom) + 0x100;
+
+ ao_romconfig.o(.romconfig*)
+ ao_product.o(.romconfig*)
+
+ *(.text*) /* Executable code */
+ *(.rodata*) /* Constants */
+
+ } > rom
+
+ .ARM.exidx : {
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ __text_end__ = .;
+ } > rom
+
+ /* Data -- relocated to RAM, but written to ROM
+ */
+ .data ORIGIN(ram) : AT (ADDR(.ARM.exidx) + SIZEOF (.ARM.exidx)) {
+ __data_start__ = .;
+ *(.data) /* initialized data */
+ __data_end__ = .;
+ __bss_start__ = .;
+ } >ram
+
+ .bss : {
+ *(.bss)
+ *(COMMON)
+ __bss_end__ = .;
+ } >ram
+ PROVIDE(end = .);
+
+ PROVIDE(__stack__ = ORIGIN(stack) + LENGTH(stack));
+}
+
+ENTRY(start);
+
+
--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_data.h>
+
+#ifndef AO_ADC_0
+#define AO_ADC_0 0
+#endif
+
+#ifndef AO_ADC_1
+#define AO_ADC_1 0
+#endif
+
+#ifndef AO_ADC_2
+#define AO_ADC_2 0
+#endif
+
+#ifndef AO_ADC_3
+#define AO_ADC_3 0
+#endif
+
+#ifndef AO_ADC_4
+#define AO_ADC_4 0
+#endif
+
+#ifndef AO_ADC_5
+#define AO_ADC_5 0
+#endif
+
+#ifndef AO_ADC_6
+#define AO_ADC_6 0
+#endif
+
+#ifndef AO_ADC_7
+#define AO_ADC_7 0
+#endif
+
+#if AO_ADC_7
+# define AO_ADC_LAST 7
+#else
+# if AO_ADC_6
+# define AO_ADC_LAST 6
+# else
+# if AO_ADC_5
+# define AO_ADC_LAST 5
+# else
+# if AO_ADC_4
+# define AO_ADC_LAST 4
+# else
+# if AO_ADC_3
+# define AO_ADC_LAST 3
+# else
+# if AO_ADC_2
+# define AO_ADC_LAST 2
+# else
+# if AO_ADC_1
+# define AO_ADC_LAST 1
+# else
+# if AO_ADC_0
+# define AO_ADC_LAST 0
+# endif
+# endif
+# endif
+# endif
+# endif
+# endif
+# endif
+#endif
+
+static uint8_t ao_adc_ready;
+
+void lpc_adc_isr(void)
+{
+ uint32_t stat = lpc_adc.stat;
+ uint16_t *out = (uint16_t *) &ao_data_ring[ao_data_head].adc;
+ vuint32_t *in = &lpc_adc.dr[0];
+
+ lpc_adc.cr = 0;
+ lpc_adc.stat = 0;
+
+ /* Store converted values in packet */
+
+#if AO_ADC_0
+ *out++ = lpc_adc.dr[0] >> 1;
+#endif
+#if AO_ADC_1
+ *out++ = lpc_adc.dr[1] >> 1;
+#endif
+#if AO_ADC_2
+ *out++ = lpc_adc.dr[2] >> 1;
+#endif
+#if AO_ADC_3
+ *out++ = lpc_adc.dr[3] >> 1;
+#endif
+#if AO_ADC_4
+ *out++ = lpc_adc.dr[4] >> 1;
+#endif
+#if AO_ADC_5
+ *out++ = lpc_adc.dr[5] >> 1;
+#endif
+#if AO_ADC_6
+ *out++ = lpc_adc.dr[6] >> 1;
+#endif
+#if AO_ADC_7
+ *out++ = lpc_adc.dr[7] >> 1;
+#endif
+
+ AO_DATA_PRESENT(AO_DATA_ADC);
+ if (ao_data_present == AO_DATA_ALL) {
+#if HAS_MS5607
+ ao_data_ring[ao_data_head].ms5607_raw = ao_ms5607_current;
+#endif
+#if HAS_MMA655X
+ ao_data_ring[ao_data_head].mma655x = ao_mma655x_current;
+#endif
+#if HAS_HMC5883
+ ao_data_ring[ao_data_head].hmc5883 = ao_hmc5883_current;
+#endif
+#if HAS_MPU6000
+ ao_data_ring[ao_data_head].mpu6000 = ao_mpu6000_current;
+#endif
+ ao_data_ring[ao_data_head].tick = ao_tick_count;
+ ao_data_head = ao_data_ring_next(ao_data_head);
+ ao_wakeup((void *) &ao_data_head);
+ }
+ ao_adc_ready = 1;
+}
+
+#define AO_ADC_MASK ((AO_ADC_0 << 0) | \
+ (AO_ADC_1 << 1) | \
+ (AO_ADC_2 << 2) | \
+ (AO_ADC_3 << 3) | \
+ (AO_ADC_4 << 4) | \
+ (AO_ADC_5 << 5) | \
+ (AO_ADC_6 << 6) | \
+ (AO_ADC_7 << 7))
+
+#define AO_ADC_CLKDIV (AO_LPC_CLKOUT / 4500000)
+
+/*
+ * Start the ADC sequence using the DMA engine
+ */
+void
+ao_adc_poll(void)
+{
+ if (!ao_adc_ready)
+ return;
+ ao_adc_ready = 0;
+
+ lpc_adc.cr = ((AO_ADC_MASK << LPC_ADC_CR_SEL) |
+ (AO_ADC_CLKDIV << LPC_ADC_CR_CLKDIV) |
+ (1 << LPC_ADC_CR_BURST) |
+ (LPC_ADC_CR_CLKS_11 << LPC_ADC_CR_CLKS));
+}
+
+static void
+ao_adc_dump(void) __reentrant
+{
+ struct ao_data packet;
+ int16_t *d;
+ uint8_t i;
+
+ ao_data_get(&packet);
+#ifdef AO_ADC_DUMP
+ AO_ADC_DUMP(&packet);
+#else
+ printf("tick: %5u", packet.tick);
+ d = (int16_t *) (&packet.adc);
+ for (i = 0; i < AO_NUM_ADC; i++)
+ printf (" %2d: %5d", i, d[i]);
+ printf("\n");
+#endif
+}
+
+__code struct ao_cmds ao_adc_cmds[] = {
+ { ao_adc_dump, "a\0Display current ADC values" },
+ { 0, NULL },
+};
+
+void
+ao_adc_init(void)
+{
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_ADC);
+ lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_ADC_PD);
+
+ /* Enable interrupt when last channel is complete */
+ lpc_adc.inten = (1 << AO_ADC_LAST);
+
+ lpc_nvic_set_enable(LPC_ISR_ADC_POS);
+ lpc_nvic_set_priority(LPC_ISR_ADC_POS, AO_LPC_NVIC_CLOCK_PRIORITY);
+#if AO_ADC_0
+ ao_enable_analog(0, 11);
+#endif
+#if AO_ADC_1
+ ao_enable_analog(0, 12);
+#endif
+#if AO_ADC_2
+ ao_enable_analog(0, 13);
+#endif
+#if AO_ADC_3
+ ao_enable_analog(0, 14);
+#endif
+#if AO_ADC_4
+ ao_enable_analog(0, 14);
+#endif
+#if AO_ADC_5
+ ao_enable_analog(0, 14);
+#endif
+#if AO_ADC_6
+ ao_enable_analog(0, 14);
+#endif
+#if AO_ADC_7
+ ao_enable_analog(0, 14);
+#endif
+ ao_cmd_register(&ao_adc_cmds[0]);
+
+ ao_adc_ready = 1;
+}
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_ARCH_H_
+#define _AO_ARCH_H_
+
+#include <lpc.h>
+
+/*
+ * LPC11U14 definitions and code fragments for AltOS
+ */
+
+#define AO_STACK_SIZE 320
+
+#define AO_LED_TYPE uint16_t
+
+#define AO_PORT_TYPE uint32_t
+
+#ifndef AO_TICK_TYPE
+#define AO_TICK_TYPE uint16_t
+#define AO_TICK_SIGNED int16_t
+#endif
+
+/* Various definitions to make GCC look more like SDCC */
+
+#define ao_arch_naked_declare __attribute__((naked))
+#define ao_arch_naked_define
+#define __pdata
+#define __data
+#define __xdata
+#define __code const
+#define __reentrant
+#define __interrupt(n)
+#define __at(n)
+
+#define ao_arch_reboot() arm_scb.aircr = ((0x05fa << 16) | \
+ (0 << 15) | \
+ (1 << 2) | \
+ (0 << 1))
+
+#define ao_arch_nop() asm("nop")
+
+#define ao_arch_interrupt(n) /* nothing */
+
+#undef putchar
+#undef getchar
+#define putchar(c) ao_putchar(c)
+#define getchar ao_getchar
+
+extern void putchar(char c);
+extern char getchar(void);
+
+/*
+ * ao_romconfig.c
+ */
+
+#define AO_ROMCONFIG_VERSION 2
+
+#define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
+
+extern const uint16_t ao_romconfig_version;
+extern const uint16_t ao_romconfig_check;
+extern const uint16_t ao_serial_number;
+extern const uint32_t ao_radio_cal;
+
+#define ao_arch_task_members\
+ uint32_t *sp; /* saved stack pointer */
+
+#define ao_arch_block_interrupts() asm("cpsid i")
+#define ao_arch_release_interrupts() asm("cpsie i")
+
+/*
+ * For now, we're running at a weird frequency
+ */
+
+#if AO_HSE
+#define AO_PLLSRC AO_HSE
+#else
+#define AO_PLLSRC STM_HSI_FREQ
+#endif
+
+#define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
+#define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
+#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
+#define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
+#define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
+
+#if AO_APB1_PRESCALER == 1
+#define AO_TIM23467_CLK AO_PCLK1
+#else
+#define AO_TIM23467_CLK (2 * AO_PCLK1)
+#endif
+
+#if AO_APB2_PRESCALER == 1
+#define AO_TIM91011_CLK AO_PCLK2
+#else
+#define AO_TIM91011_CLK (2 * AO_PCLK2)
+#endif
+
+#define AO_LPC_NVIC_HIGH_PRIORITY 0
+#define AO_LPC_NVIC_CLOCK_PRIORITY 1
+#define AO_LPC_NVIC_MED_PRIORITY 2
+#define AO_LPC_NVIC_LOW_PRIORITY 3
+
+void
+ao_adc_init(void);
+
+#define AO_USB_OUT_EP 2
+#define AO_USB_IN_EP 3
+
+void
+ao_serial_init(void);
+
+/* SPI definitions */
+
+#define AO_SPI_SPEED_12MHz 4
+#define AO_SPI_SPEED_6MHz 8
+#define AO_SPI_SPEED_4MHz 12
+#define AO_SPI_SPEED_2MHz 24
+#define AO_SPI_SPEED_1MHz 48
+#define AO_SPI_SPEED_500kHz 96
+#define AO_SPI_SPEED_250kHz 192
+
+#define AO_SPI_SPEED_FAST AO_SPI_SPEED_12MHz
+
+#endif /* _AO_ARCH_H_ */
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_ARCH_FUNCS_H_
+#define _AO_ARCH_FUNCS_H_
+
+#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
+#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+
+#define ao_enable_port(port) (lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_GPIO))
+
+#define lpc_all_bit(port,bit) (((port) << 5) | (bit))
+
+#define ao_gpio_set(port, bit, pin, v) (lpc_gpio.byte[lpc_all_bit(port,bit)] = (v))
+
+#define ao_gpio_get(port, bit, pin) (lpc_gpio_byte[lpc_all_bit(port,bit)])
+
+#define ao_enable_output(port,bit,pin,v) do { \
+ ao_enable_port(port); \
+ ao_gpio_set(port, bit, pin, v); \
+ lpc_gpio.dir[port] |= (1 << bit); \
+ } while (0)
+
+#define ao_enable_input(port,bit,mode) do { \
+ vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit)); \
+ vuint32_t _mode; \
+ ao_enable_port(port); \
+ lpc_gpio.dir[port] &= ~(1 << bit); \
+ if (mode == AO_EXTI_MODE_PULL_UP) \
+ _mode = LPC_IOCONF_MODE_PULL_UP << LPC_IOCONF_MODE; \
+ else if (mode == AO_EXTI_MODE_PULL_DOWN) \
+ _mode = LPC_IOCONF_MODE_PULL_UP << LPC_IOCONF_MODE; \
+ else \
+ _mode = LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE; \
+ *_ioconf = ((*_ioconf & ~(LPC_IOCONF_MODE_MASK << LPC_IOCONF_MODE)) | \
+ _mode | \
+ (1 << LPC_IOCONF_ADMODE)); \
+ } while (0)
+
+#define ao_enable_analog(port,bit) do { \
+ vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit)); \
+ ao_enable_port(port); \
+ lpc_gpio.dir[port] &= ~(1 << bit); \
+ *_ioconf = *_ioconf & ~((1 << LPC_IOCONF_ADMODE) | \
+ (LPC_IOCONF_MODE_MASK << LPC_IOCONF_MODE)); \
+ } while (0)
+
+#define ARM_PUSH32(stack, val) (*(--(stack)) = (val))
+
+static inline uint32_t
+ao_arch_irqsave(void) {
+ uint32_t primask;
+ asm("mrs %0,primask" : "=&r" (primask));
+ ao_arch_block_interrupts();
+ return primask;
+}
+
+static inline void
+ao_arch_irqrestore(uint32_t primask) {
+ asm("msr primask,%0" : : "r" (primask));
+}
+
+static inline void
+ao_arch_memory_barrier() {
+ asm volatile("" ::: "memory");
+}
+
+static inline void
+ao_arch_init_stack(struct ao_task *task, void *start)
+{
+ uint32_t *sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
+ uint32_t a = (uint32_t) start;
+ int i;
+
+ /* Return address (goes into LR) */
+ ARM_PUSH32(sp, a);
+
+ /* Clear register values r0-r7 */
+ i = 8;
+ while (i--)
+ ARM_PUSH32(sp, 0);
+
+ /* APSR */
+ ARM_PUSH32(sp, 0);
+
+ /* PRIMASK with interrupts enabled */
+ ARM_PUSH32(sp, 0);
+
+ task->sp = sp;
+}
+
+static inline void ao_arch_save_regs(void) {
+ /* Save general registers */
+ asm("push {r0-r7,lr}\n");
+
+ /* Save APSR */
+ asm("mrs r0,apsr");
+ asm("push {r0}");
+
+ /* Save PRIMASK */
+ asm("mrs r0,primask");
+ asm("push {r0}");
+}
+
+static inline void ao_arch_save_stack(void) {
+ uint32_t *sp;
+ asm("mov %0,sp" : "=&r" (sp) );
+ ao_cur_task->sp = (sp);
+ if ((uint8_t *) sp < &ao_cur_task->stack[0])
+ ao_panic (AO_PANIC_STACK);
+}
+
+static inline void ao_arch_restore_stack(void) {
+ uint32_t sp;
+ sp = (uint32_t) ao_cur_task->sp;
+
+ /* Switch stacks */
+ asm("mov sp, %0" : : "r" (sp) );
+
+ /* Restore PRIMASK */
+ asm("pop {r0}");
+ asm("msr primask,r0");
+
+ /* Restore APSR */
+ asm("pop {r0}");
+ asm("msr apsr_nczvq,r0");
+
+ /* Restore general registers and return */
+ asm("pop {r0-r7,pc}\n");
+}
+
+#define ao_arch_isr_stack()
+
+#define ao_arch_wait_interrupt() do { \
+ asm(".global ao_idle_loc\n\twfi\nao_idle_loc:"); \
+ ao_arch_release_interrupts(); \
+ ao_arch_block_interrupts(); \
+ } while (0)
+
+#define ao_arch_critical(b) do { \
+ ao_arch_block_interrupts(); \
+ do { b } while (0); \
+ ao_arch_release_interrupts(); \
+ } while (0)
+
+/*
+ * SPI
+ */
+
+#define ao_spi_set_cs(port,mask) (lpc_gpio.clr[port] = (mask))
+#define ao_spi_clr_cs(port,mask) (lpc_gpio.set[port] = (mask))
+
+#define ao_spi_get_mask(port,mask,bus,speed) do { \
+ ao_spi_get(bus, speed); \
+ ao_spi_set_cs(port, mask); \
+ } while (0)
+
+#define ao_spi_put_mask(reg,mask,bus) do { \
+ ao_spi_clr_cs(reg,mask); \
+ ao_spi_put(bus); \
+ } while (0)
+
+#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
+#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+
+void
+ao_spi_get(uint8_t spi_index, uint32_t speed);
+
+void
+ao_spi_put(uint8_t spi_index);
+
+void
+ao_spi_send(void *block, uint16_t len, uint8_t spi_index);
+
+void
+ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
+
+void
+ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
+
+void
+ao_spi_duplex(void *out, void *in, uint16_t len, uint8_t spi_index);
+
+extern uint16_t ao_spi_speed[LPC_NUM_SPI];
+
+void
+ao_spi_init(void);
+
+#define ao_spi_init_cs(port, mask) do { \
+ uint8_t __bit__; \
+ for (__bit__ = 0; __bit__ < 32; __bit__++) { \
+ if (mask & (1 << __bit__)) \
+ ao_enable_output(port, __bit__, PIN, 1); \
+ } \
+ } while (0)
+
+#define HAS_ARCH_START_SCHEDULER 1
+
+static inline void ao_arch_start_scheduler(void) {
+ uint32_t sp;
+ uint32_t control;
+
+ asm("mrs %0,msp" : "=&r" (sp));
+ asm("msr psp,%0" : : "r" (sp));
+ asm("mrs %0,control" : "=&r" (control));
+ control |= (1 << 1);
+ asm("msr control,%0" : : "r" (control));
+}
+
+#endif /* _AO_ARCH_FUNCS_H_ */
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+
+void
+ao_beep(uint8_t beep)
+{
+ if (beep == 0) {
+ lpc_ct32b1.tcr = ((0 << LPC_CT32B_TCR_CEN) |
+ (1 << LPC_CT32B_TCR_CRST));
+ lpc_scb.sysahbclkctrl &= ~(1 << LPC_SCB_SYSAHBCLKCTRL_CT32B1);
+ } else {
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_CT32B1);
+
+ /* Set prescaler to match cc1111 clocks
+ */
+ lpc_ct32b1.pr = AO_LPC_SYSCLK / 750000 - 1;
+
+ /* Write the desired data in the match registers */
+
+ /* Reset after two time units */
+ lpc_ct32b1.mr[0] = beep << 1;
+
+ /* PWM width is half of that */
+ lpc_ct32b1.mr[1] = beep;
+
+ /* Flip output 1 on PWM match */
+ lpc_ct32b1.emr = (LPC_CT32B_EMR_EMC_TOGGLE << LPC_CT32B_EMR_EMC1);
+
+ /* Reset on match 0 */
+ lpc_ct32b1.mcr = (1 << LPC_CT32B_MCR_MR0R);
+
+ /* PWM on match 1 */
+ lpc_ct32b1.pwmc = (1 << LPC_CT32B_PWMC_PWMEN1);
+
+ /* timer mode */
+ lpc_ct32b1.ctcr = 0;
+
+ /* And turn the timer on */
+ lpc_ct32b1.tcr = ((1 << LPC_CT32B_TCR_CEN) |
+ (0 << LPC_CT32B_TCR_CRST));
+ }
+}
+
+void
+ao_beep_for(uint8_t beep, uint16_t ticks) __reentrant
+{
+ ao_beep(beep);
+ ao_delay(ticks);
+ ao_beep(0);
+}
+
+void
+ao_beep_init(void)
+{
+ /* Our beeper is on c32b1_mat1
+ * which is on pin pio0_14
+ */
+
+ lpc_ioconf.pio0_14 = ((LPC_IOCONF_FUNC_PIO0_14_CT32B1_MAT1 << LPC_IOCONF_FUNC) |
+ (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
+ (0 << LPC_IOCONF_HYS) |
+ (0 << LPC_IOCONF_INV) |
+ (1 << LPC_IOCONF_ADMODE) |
+ (0 << LPC_IOCONF_OD));
+
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_CT32B1);
+
+ /* Disable the counter and reset the value */
+ lpc_ct32b1.tcr = ((0 << LPC_CT32B_TCR_CEN) |
+ (1 << LPC_CT32B_TCR_CRST));
+}
--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_EXTI_H_
+#define _AO_EXTI_H_
+
+#define AO_EXTI_MODE_RISING 1
+#define AO_EXTI_MODE_FALLING 2
+#define AO_EXTI_MODE_PULL_UP 4
+#define AO_EXTI_MODE_PULL_DOWN 8
+#define AO_EXTI_PRIORITY_LOW 16
+#define AO_EXTI_PRIORITY_MED 0
+#define AO_EXTI_PRIORITY_HIGH 32
+#define AO_EXTI_PIN_NOCONFIGURE 64
+
+void
+ao_exti_setup(uint8_t gpio, uint8_t pin, uint8_t mode, void (*callback)());
+
+void
+ao_exti_set_mode(uint8_t gpio, uint8_t pin, uint8_t mode);
+
+void
+ao_exti_set_callback(uint8_t gpio, uint8_t pin, void (*callback)());
+
+void
+ao_exti_enable(uint8_t gpio, uint8_t pin);
+
+void
+ao_exti_disable(uint8_t gpio, uint8_t pin);
+
+void
+ao_exti_init(void);
+
+#endif /* _AO_EXTI_H_ */
--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_exti.h>
+
+#define LPC_NUM_PINS 56
+#define LPC_NUM_PINT 8
+
+static void (*ao_exti_callback[LPC_NUM_PINT])(void);
+
+static uint8_t ao_pint_map[LPC_NUM_PINS];
+static uint8_t ao_pint_mode[LPC_NUM_PINS];
+static uint8_t ao_pint_inuse;
+static uint8_t ao_pint_enabled;
+
+static void
+ao_exti_isr(uint8_t pint)
+{
+ uint8_t mask = 1 << pint;
+
+ if (lpc_gpio_pin.ist & mask) {
+ lpc_gpio_pin.ist = mask;
+ lpc_gpio_pin.rise = mask;
+ lpc_gpio_pin.fall = mask;
+
+ (*ao_exti_callback[pint]) ();
+ }
+}
+
+#define pin_isr(n) void lpc_pin_int ## n ## _isr(void) { ao_exti_isr(n); }
+pin_isr(0)
+pin_isr(1)
+pin_isr(2)
+pin_isr(3)
+pin_isr(4)
+pin_isr(5)
+pin_isr(6)
+pin_isr(7)
+
+#define pin_id(port,pin) ((port) * 24 + (pin));
+
+static void
+_ao_exti_set_enable(uint8_t pint)
+{
+ uint8_t mask = 1 << pint;
+ uint8_t mode;
+
+ if (ao_pint_enabled & mask)
+ mode = ao_pint_mode[pint];
+ else
+ mode = 0;
+
+ if (mode & AO_EXTI_MODE_RISING)
+ lpc_gpio_pin.sienr = mask;
+ else
+ lpc_gpio_pin.cienr = mask;
+
+ if (mode & AO_EXTI_MODE_FALLING)
+ lpc_gpio_pin.sienf = mask;
+ else
+ lpc_gpio_pin.cienf = mask;
+ lpc_gpio_pin.rise = mask;
+ lpc_gpio_pin.fall = mask;
+}
+
+void
+ao_exti_setup (uint8_t port, uint8_t pin, uint8_t mode, void (*callback)(void)) {
+ uint8_t id = pin_id(port,pin);
+ uint8_t pint;
+ uint32_t mask;
+ uint8_t prio;
+
+ for (pint = 0; pint < LPC_NUM_PINT; pint++)
+ if ((ao_pint_inuse & (1 << pint)) == 0)
+ break;
+ if (pint == LPC_NUM_PINT)
+ ao_panic(AO_PANIC_EXTI);
+
+ if (!mode & AO_EXTI_PIN_NOCONFIGURE)
+ ao_enable_input(port, pin, mode);
+
+ ao_arch_block_interrupts();
+ mask = (1 << pint);
+ ao_pint_inuse |= mask;
+ ao_pint_enabled &= ~mask;
+
+ ao_pint_map[id] = pint;
+ ao_exti_callback[pint] = callback;
+
+ /* configure gpio to interrupt routing */
+ lpc_scb.pintsel[pint] = id;
+
+ /* Set edge triggered */
+ lpc_gpio_pin.isel &= ~mask;
+
+ ao_pint_enabled &= ~mask;
+ ao_pint_mode[pint] = mode;
+ _ao_exti_set_enable(pint);
+
+ /* Set interrupt mask and rising/falling mode */
+
+ prio = AO_LPC_NVIC_MED_PRIORITY;
+ if (mode & AO_EXTI_PRIORITY_LOW)
+ prio = AO_LPC_NVIC_LOW_PRIORITY;
+ else if (mode & AO_EXTI_PRIORITY_HIGH)
+ prio = AO_LPC_NVIC_HIGH_PRIORITY;
+
+ /* Set priority and enable */
+ lpc_nvic_set_priority(LPC_ISR_PIN_INT0_POS + pint, prio);
+ lpc_nvic_set_enable(LPC_ISR_PIN_INT0_POS + pint);
+ ao_arch_release_interrupts();
+}
+
+void
+ao_exti_set_mode(uint8_t port, uint8_t pin, uint8_t mode)
+{
+ uint8_t id = pin_id(port,pin);
+ uint8_t pint = ao_pint_map[id];
+
+ ao_arch_block_interrupts();
+ ao_pint_mode[pint] = mode;
+ _ao_exti_set_enable(pint);
+ ao_arch_release_interrupts();
+}
+
+void
+ao_exti_set_callback(uint8_t port, uint8_t pin, void (*callback)()) {
+ uint8_t id = pin_id(port,pin);
+ uint8_t pint = ao_pint_map[id];
+
+ ao_exti_callback[pint] = callback;
+}
+
+void
+ao_exti_enable(uint8_t port, uint8_t pin)
+{
+ uint8_t id = pin_id(port,pin);
+ uint8_t pint = ao_pint_map[id];
+ uint8_t mask = 1 << pint;
+
+ ao_arch_block_interrupts();
+ ao_pint_enabled |= mask;
+ _ao_exti_set_enable(pint);
+ ao_arch_release_interrupts();
+}
+
+void
+ao_exti_disable(uint8_t port, uint8_t pin) {
+ uint8_t id = pin_id(port,pin);
+ uint8_t pint = ao_pint_map[id];
+ uint8_t mask = 1 << pint;
+
+ ao_arch_block_interrupts();
+ ao_pint_enabled &= ~mask;
+ _ao_exti_set_enable(pint);
+ ao_arch_release_interrupts();
+}
+
+void
+ao_exti_init(void)
+{
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_PINT);
+}
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <string.h>
+
+extern void main(void);
+extern char __stack__;
+extern char __text_start__, __text_end__;
+extern char __data_start__, __data_end__;
+extern char __bss_start__, __bss_end__;
+
+/* Interrupt functions */
+
+void lpc_halt_isr(void)
+{
+ ao_panic(AO_PANIC_CRASH);
+}
+
+void lpc_ignore_isr(void)
+{
+}
+
+int x;
+
+void start(void) {
+ x = 0;
+ memcpy(&__data_start__, &__text_end__, &__data_end__ - &__data_start__);
+ memset(&__bss_start__, '\0', &__bss_end__ - &__bss_start__);
+ main();
+}
+
+#define STRINGIFY(x) #x
+
+#define isr(name) \
+ void __attribute__ ((weak)) lpc_ ## name ## _isr(void); \
+ _Pragma(STRINGIFY(weak lpc_ ## name ## _isr = lpc_ignore_isr))
+
+#define isr_halt(name) \
+ void __attribute__ ((weak)) lpc_ ## name ## _isr(void); \
+ _Pragma(STRINGIFY(weak lpc_ ## name ## _isr = lpc_halt_isr))
+
+isr(nmi)
+isr_halt(hardfault)
+isr_halt(memmanage)
+isr_halt(busfault)
+isr_halt(usagefault)
+isr(svc)
+isr(debugmon)
+isr(pendsv)
+isr(systick)
+
+isr(pin_int0) /* IRQ0 */
+isr(pin_int1)
+isr(pin_int2)
+isr(pin_int3)
+isr(pin_int4) /* IRQ4 */
+isr(pin_int5)
+isr(pin_int6)
+isr(pin_int7)
+
+isr(gint0) /* IRQ8 */
+isr(gint1)
+isr(ssp1)
+isr(i2c)
+
+isr(ct16b0) /* IRQ16 */
+isr(ct16b1)
+isr(ct32b0)
+isr(ct32b1)
+isr(ssp0) /* IRQ20 */
+isr(usart)
+isr(usb_irq)
+isr(usb_fiq)
+
+isr(adc) /* IRQ24 */
+isr(wwdt)
+isr(bod)
+isr(flash)
+
+isr(usb_wakeup)
+
+#define i(addr,name) [(addr)/4] = lpc_ ## name ## _isr
+#define c(addr,value) [(addr)/4] = (value)
+
+__attribute__ ((section(".interrupt")))
+const void *lpc_interrupt_vector[] = {
+ [0] = &__stack__,
+ [1] = start,
+ i(0x08, nmi),
+ i(0x0c, hardfault),
+ c(0x10, 0),
+ c(0x14, 0),
+ c(0x18, 0),
+ c(0x1c, 0),
+ c(0x20, 0),
+ c(0x24, 0),
+ c(0x28, 0),
+ i(0x2c, svc),
+ i(0x30, hardfault),
+ i(0x34, hardfault),
+ i(0x38, pendsv),
+ i(0x3c, systick),
+
+ i(0x40, pin_int0), /* IRQ0 */
+ i(0x44, pin_int1),
+ i(0x48, pin_int2),
+ i(0x4c, pin_int3),
+ i(0x50, pin_int4), /* IRQ4 */
+ i(0x54, pin_int5),
+ i(0x58, pin_int6),
+ i(0x5c, pin_int7),
+
+ i(0x60, gint0), /* IRQ8 */
+ i(0x64, gint1),
+ i(0x68, hardfault),
+ i(0x6c, hardfault),
+ i(0x70, hardfault), /* IRQ12 */
+ i(0x74, hardfault),
+ i(0x78, ssp1),
+ i(0x7c, i2c),
+
+ i(0x80, ct16b0), /* IRQ16 */
+ i(0x84, ct16b1),
+ i(0x88, ct32b0),
+ i(0x8c, ct32b1),
+ i(0x90, ssp0), /* IRQ20 */
+ i(0x94, usart),
+ i(0x98, usb_irq),
+ i(0x9c, usb_fiq),
+
+ i(0xa0, adc), /* IRQ24 */
+ i(0xa4, wwdt),
+ i(0xa8, bod),
+ i(0xac, flash),
+
+ i(0xb0, hardfault), /* IRQ28 */
+ i(0xb4, hardfault),
+ i(0xb8, usb_wakeup),
+ i(0xbc, hardfault),
+};
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+
+__pdata uint16_t ao_led_enable;
+
+void
+ao_led_on(uint16_t colors)
+{
+ lpc_gpio.pin[LED_PORT] |= colors;
+}
+
+void
+ao_led_off(uint16_t colors)
+{
+ lpc_gpio.pin[LED_PORT] &= ~colors;
+}
+
+void
+ao_led_set(uint16_t colors)
+{
+ uint16_t on = colors & ao_led_enable;
+ uint16_t off = ~colors & ao_led_enable;
+
+ ao_led_off(off);
+ ao_led_on(on);
+}
+
+void
+ao_led_toggle(uint16_t colors)
+{
+ lpc_gpio.pin[LED_PORT] ^= colors;
+}
+
+void
+ao_led_for(uint16_t colors, uint16_t ticks) __reentrant
+{
+ ao_led_on(colors);
+ ao_delay(ticks);
+ ao_led_off(colors);
+}
+
+void
+ao_led_init(uint16_t enable)
+{
+ int bit;
+
+ ao_led_enable = enable;
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_GPIO);
+ lpc_gpio.dir[LED_PORT] |= enable;
+}
--- /dev/null
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+
+AO_ROMCONFIG_SYMBOL (0) uint16_t ao_romconfig_version = AO_ROMCONFIG_VERSION;
+AO_ROMCONFIG_SYMBOL (0) uint16_t ao_romconfig_check = ~AO_ROMCONFIG_VERSION;
+AO_ROMCONFIG_SYMBOL (0) uint16_t ao_serial_number = 0;
+#ifdef AO_RADIO_CAL_DEFAULT
+AO_ROMCONFIG_SYMBOL (0) uint32_t ao_radio_cal = AO_RADIO_CAL_DEFAULT;
+#endif
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_serial.h>
+
+struct ao_fifo ao_usart_rx_fifo;
+struct ao_fifo ao_usart_tx_fifo;
+uint8_t ao_usart_tx_avail;
+uint8_t ao_usart_tx_avail_min;
+
+#define LPC_USART_TX_FIFO_SIZE 16
+
+void
+ao_debug_out(char c)
+{
+ if (c == '\n')
+ ao_debug_out('\r');
+ while (!(lpc_usart.lsr & (1 << LPC_USART_LSR_TEMT)))
+ ;
+ lpc_usart.rbr_thr = c;
+}
+
+static void
+_ao_serial_tx_start(void)
+{
+ if (!ao_fifo_empty(ao_usart_tx_fifo) && ao_usart_tx_avail) {
+ ao_usart_tx_avail--;
+ if (ao_usart_tx_avail < ao_usart_tx_avail_min)
+ ao_usart_tx_avail_min = ao_usart_tx_avail;
+ ao_fifo_remove(ao_usart_tx_fifo, lpc_usart.rbr_thr);
+ }
+}
+
+void
+lpc_usart_isr(void)
+{
+ (void) lpc_usart.iir_fcr;
+
+ while (lpc_usart.lsr & (1 << LPC_USART_LSR_RDR)) {
+ char c = lpc_usart.rbr_thr;
+ if (!ao_fifo_full(ao_usart_rx_fifo))
+ ao_fifo_insert(ao_usart_rx_fifo, c);
+ ao_wakeup(&ao_usart_rx_fifo);
+ if (stdin)
+ ao_wakeup(&ao_stdin_ready);
+ }
+ if (lpc_usart.lsr & (1 << LPC_USART_LSR_THRE)) {
+ ao_usart_tx_avail = LPC_USART_TX_FIFO_SIZE;
+ _ao_serial_tx_start();
+ ao_wakeup(&ao_usart_tx_fifo);
+ }
+}
+
+int
+_ao_serial_pollchar(void)
+{
+ int c;
+
+ if (ao_fifo_empty(ao_usart_rx_fifo))
+ c = AO_READ_AGAIN;
+ else {
+ uint8_t u;
+ ao_fifo_remove(ao_usart_rx_fifo,u);
+ c = u;
+ }
+ return c;
+}
+
+char
+ao_serial_getchar(void)
+{
+ int c;
+ ao_arch_block_interrupts();
+ while ((c = _ao_serial_pollchar()) == AO_READ_AGAIN)
+ ao_sleep(&ao_usart_rx_fifo);
+ ao_arch_release_interrupts();
+ return (char) c;
+}
+
+void
+ao_serial_putchar(char c)
+{
+ ao_arch_block_interrupts();
+ while (ao_fifo_full(ao_usart_tx_fifo))
+ ao_sleep(&ao_usart_tx_fifo);
+ ao_fifo_insert(ao_usart_tx_fifo, c);
+ _ao_serial_tx_start();
+ ao_arch_release_interrupts();
+}
+
+void
+ao_serial_drain(void)
+{
+ ao_arch_block_interrupts();
+ while (!ao_fifo_empty(ao_usart_tx_fifo))
+ ao_sleep(&ao_usart_tx_fifo);
+ ao_arch_release_interrupts();
+}
+
+#include "ao_serial_lpc.h"
+
+void
+ao_serial_set_speed(uint8_t speed)
+{
+ if (speed > AO_SERIAL_SPEED_115200)
+ return;
+
+ /* Flip to allow access to divisor latches */
+ lpc_usart.lcr |= (1 << LPC_USART_LCR_DLAB);
+
+ /* DL LSB */
+ lpc_usart.rbr_thr = ao_usart_speeds[speed].dl & 0xff;
+
+ /* DL MSB */
+ lpc_usart.ier = (ao_usart_speeds[speed].dl >> 8) & 0xff;
+
+ lpc_usart.fdr = ((ao_usart_speeds[speed].divaddval << LPC_USART_FDR_DIVADDVAL) |
+ (ao_usart_speeds[speed].mulval << LPC_USART_FDR_MULVAL));
+
+ /* Turn access to divisor latches back off */
+ lpc_usart.lcr &= ~(1 << LPC_USART_LCR_DLAB);
+}
+
+void
+ao_serial_init(void)
+{
+#if SERIAL_0_18_19
+ lpc_ioconf.pio0_18 = ((LPC_IOCONF_FUNC_PIO0_18_RXD << LPC_IOCONF_FUNC) |
+ (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
+ (0 << LPC_IOCONF_HYS) |
+ (0 << LPC_IOCONF_INV) |
+ (0 << LPC_IOCONF_OD));
+ lpc_ioconf.pio0_19 = ((LPC_IOCONF_FUNC_PIO0_19_TXD << LPC_IOCONF_FUNC) |
+ (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
+ (0 << LPC_IOCONF_HYS) |
+ (0 << LPC_IOCONF_INV) |
+ (0 << LPC_IOCONF_OD));
+#endif
+
+ /* Turn on the USART */
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_USART);
+
+ /* Turn on the USART clock */
+ lpc_scb.uartclkdiv = AO_LPC_CLKOUT / AO_LPC_USARTCLK;
+
+ /* Configure USART */
+
+ /* Enable FIFOs, reset fifo contents, interrupt on 1 received char */
+ lpc_usart.iir_fcr = ((1 << LPC_USART_FCR_FIFOEN) |
+ (1 << LPC_USART_FCR_RXFIFORES) |
+ (1 << LPC_USART_FCR_TXFIFORES) |
+ (LPC_USART_FCR_RXTL_1 << LPC_USART_FCR_RXTL));
+
+ ao_usart_tx_avail = LPC_USART_TX_FIFO_SIZE;
+ ao_usart_tx_avail_min = LPC_USART_TX_FIFO_SIZE;
+
+ /* 8 n 1 */
+ lpc_usart.lcr = ((LPC_USART_LCR_WLS_8 << LPC_USART_LCR_WLS) |
+ (LPC_USART_LCR_SBS_1 << LPC_USART_LCR_SBS) |
+ (0 << LPC_USART_LCR_PE) |
+ (LPC_USART_LCR_PS_ODD << LPC_USART_LCR_PS) |
+ (0 << LPC_USART_LCR_BC) |
+ (0 << LPC_USART_LCR_DLAB));
+
+ /* Disable flow control */
+ lpc_usart.mcr = ((0 << LPC_USART_MCR_DTRCTRL) |
+ (0 << LPC_USART_MCR_RTSCTRL) |
+ (0 << LPC_USART_MCR_LMS) |
+ (0 << LPC_USART_MCR_RTSEN) |
+ (0 << LPC_USART_MCR_CTSEN));
+
+ /* 16x oversampling */
+ lpc_usart.osr = ((0 << LPC_USART_OSR_OSFRAC) |
+ ((16 - 1) << LPC_USART_OSR_OSINT) |
+ (0 << LPC_USART_OSR_FDINT));
+
+ /* Full duplex */
+ lpc_usart.hden = ((0 << LPC_USART_HDEN_HDEN));
+
+ /* Set baud rate */
+ ao_serial_set_speed(AO_SERIAL_SPEED_9600);
+
+ /* Enable interrupts */
+ lpc_usart.ier = ((1 << LPC_USART_IER_RBRINTEN) |
+ (1 << LPC_USART_IER_THREINTEN));
+
+ lpc_nvic_set_enable(LPC_ISR_USART_POS);
+ lpc_nvic_set_priority(LPC_ISR_USART_POS, 0);
+#if USE_SERIAL_0_STDIN
+ ao_add_stdio(_ao_serial_pollchar,
+ ao_serial_putchar,
+ NULL);
+#endif
+}
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+
+static uint8_t ao_spi_mutex[LPC_NUM_SPI];
+
+static struct lpc_ssp * const ao_lpc_ssp[LPC_NUM_SPI] = { &lpc_ssp0, &lpc_ssp1 };
+
+static uint8_t spi_dev_null;
+
+#define tx_busy(lpc_ssp) (lpc_ssp->sr & ((1 << LPC_SSP_SR_BSY) | (1 << LPC_SSP_SR_TNF))) != (1 << LPC_SSP_SR_TNF)
+#define rx_busy(lpc_ssp) (lpc_ssp->sr & ((1 << LPC_SSP_SR_BSY) | (1 << LPC_SSP_SR_RNE))) != (1 << LPC_SSP_SR_RNE)
+
+#define spi_loop(len, put, get) do { \
+ while (len--) { \
+ /* Wait for space in the fifo */ \
+ while (tx_busy(lpc_ssp)) \
+ ; \
+ \
+ /* send a byte */ \
+ lpc_ssp->dr = put; \
+ \
+ /* Wait for byte to appear in the fifo */ \
+ while (rx_busy(lpc_ssp)) \
+ ; \
+ \
+ /* recv a byte */ \
+ get lpc_ssp->dr; \
+ } \
+ } while (0);
+
+void
+ao_spi_send(void *block, uint16_t len, uint8_t id)
+{
+ uint8_t *b = block;
+ struct lpc_ssp *lpc_ssp = ao_lpc_ssp[id];
+
+ spi_loop(len, *b++, (void));
+}
+
+void
+ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t id)
+{
+ struct lpc_ssp *lpc_ssp = ao_lpc_ssp[id];
+
+ spi_loop(len, value, (void));
+}
+
+void
+ao_spi_recv(void *block, uint16_t len, uint8_t id)
+{
+ uint8_t *b = block;
+ struct lpc_ssp *lpc_ssp = ao_lpc_ssp[id];
+
+ spi_loop(len, 0xff, *b++ =);
+}
+
+void
+ao_spi_duplex(void *out, void *in, uint16_t len, uint8_t id)
+{
+ uint8_t *o = out;
+ uint8_t *i = in;
+ struct lpc_ssp *lpc_ssp = ao_lpc_ssp[id];
+
+ spi_loop(len, *o++, *i++ =);
+}
+
+void
+ao_spi_get(uint8_t id, uint32_t speed)
+{
+ struct lpc_ssp *lpc_ssp = ao_lpc_ssp[id];
+
+ ao_mutex_get(&ao_spi_mutex[id]);
+
+ /* Set the clock prescale */
+ lpc_ssp->cpsr = speed;
+}
+
+void
+ao_spi_put(uint8_t id)
+{
+ ao_mutex_put(&ao_spi_mutex[id]);
+}
+
+static void
+ao_spi_channel_init(uint8_t id)
+{
+ struct lpc_ssp *lpc_ssp = ao_lpc_ssp[id];
+ uint8_t d;
+
+ lpc_ssp->cr0 = ((LPC_SSP_CR0_DSS_8 << LPC_SSP_CR0_DSS) |
+ (LPC_SSP_CR0_FRF_SPI << LPC_SSP_CR0_FRF) |
+ (0 << LPC_SSP_CR0_CPOL) |
+ (0 << LPC_SSP_CR0_CPHA) |
+ (0 << LPC_SSP_CR0_SCR));
+
+ /* Enable the device */
+ lpc_ssp->cr1 = ((0 << LPC_SSP_CR1_LBM) |
+ (1 << LPC_SSP_CR1_SSE) |
+ (LPC_SSP_CR1_MS_MASTER << LPC_SSP_CR1_MS) |
+ (0 << LPC_SSP_CR1_SOD));
+
+ /* Drain the receive fifo */
+ for (d = 0; d < LPC_SSP_FIFOSIZE; d++)
+ (void) lpc_ssp->dr;
+}
+
+void
+ao_spi_init(void)
+{
+#if HAS_SPI_0
+ /* Configure pins */
+#if SPI_SCK0_P0_6
+ lpc_ioconf.pio0_6 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_6_SCK0);
+#define HAS_SCK0
+#endif
+#if SPI_SCK0_P0_10
+ lpc_ioconf.pio0_10 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_10_SCK0);
+#define HAS_SCK0
+#endif
+#if SPI_SCK0_P1_29
+ lpc_ioconf.pio1_29 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO1_29_SCK0);
+#define HAS_SCK0
+#endif
+#ifndef HAS_SCK0
+#error "No pin specified for SCK0"
+#endif
+ lpc_ioconf.pio0_8 = ao_lpc_alternate(LPC_IOCONF_FUNC_MISO0);
+ lpc_ioconf.pio0_9 = ao_lpc_alternate(LPC_IOCONF_FUNC_MOSI0);
+
+ /* Enable the device */
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_SSP0);
+
+ /* Turn on the clock */
+ lpc_scb.ssp0clkdiv = 1;
+
+ /* Reset the device */
+ lpc_scb.presetctrl &= ~(1 << LPC_SCB_PRESETCTRL_SSP0_RST_N);
+ lpc_scb.presetctrl |= (1 << LPC_SCB_PRESETCTRL_SSP0_RST_N);
+ ao_spi_channel_init(0);
+#endif
+
+#if HAS_SPI_1
+
+#if SPI_SCK1_P1_15
+ lpc_ioconf.pio1_15 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO1_15_SCK1);
+#define HAS_SCK1
+#endif
+#if SPI_SCK1_P1_20
+ lpc_ioconf.pio1_20 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO1_20_SCK1);
+#define HAS_SCK1
+#endif
+#ifndef HAS_SCK1
+#error "No pin specified for SCK1"
+#endif
+
+#if SPI_MISO1_P0_22
+ lpc_ioconf.pio0_22 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_22_MISO1);
+#define HAS_MISO1
+#endif
+#if SPI_MISO1_P1_21
+ lpc_ioconf.pio1_21 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO1_21_MISO1);
+#define HAS_MISO1
+#endif
+#ifndef HAS_MISO1
+#error "No pin specified for MISO1"
+#endif
+
+#if SPI_MOSI1_P0_21
+ lpc_ioconf.pio0_21 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_21_MOSI1);
+#define HAS_MOSI1
+#endif
+#if SPI_MOSI1_P1_22
+ lpc_ioconf.pio1_22 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO1_22_MOSI1);
+#define HAS_MOSI1
+#endif
+#ifndef HAS_MOSI1
+#error "No pin specified for MOSI1"
+#endif
+
+ /* Enable the device */
+ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_SSP1);
+
+ /* Turn on the clock */
+ lpc_scb.ssp1clkdiv = 1;
+
+ /* Reset the device */
+ lpc_scb.presetctrl &= ~(1 << LPC_SCB_PRESETCTRL_SSP1_RST_N);
+ lpc_scb.presetctrl |= (1 << LPC_SCB_PRESETCTRL_SSP1_RST_N);
+ ao_spi_channel_init(1);
+#endif /* HAS_SPI_1 */
+}
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+
+volatile __data AO_TICK_TYPE ao_tick_count;
+
+uint16_t
+ao_time(void)
+{
+ return ao_tick_count;
+}
+
+#if AO_DATA_ALL
+volatile __data uint8_t ao_data_interval = 1;
+volatile __data uint8_t ao_data_count;
+#endif
+
+void lpc_systick_isr(void)
+{
+ if (lpc_systick.csr & (1 << LPC_SYSTICK_CSR_COUNTFLAG)) {
+ ++ao_tick_count;
+#if HAS_TASK_QUEUE
+ if (ao_task_alarm_tick && (int16_t) (ao_tick_count - ao_task_alarm_tick) >= 0)
+ ao_task_check_alarm((uint16_t) ao_tick_count);
+#endif
+#if AO_DATA_ALL
+ if (++ao_data_count == ao_data_interval) {
+ ao_data_count = 0;
+ ao_adc_poll();
+#if (AO_DATA_ALL & ~(AO_DATA_ADC))
+ ao_wakeup((void *) &ao_data_count);
+#endif
+ }
+#endif
+ }
+}
+
+#if HAS_ADC
+void
+ao_timer_set_adc_interval(uint8_t interval)
+{
+ ao_arch_critical(
+ ao_data_interval = interval;
+ ao_data_count = 0;
+ );
+}
+#endif
+
+#define SYSTICK_RELOAD ((AO_LPC_SYSCLK / 2) / 100 - 1)
+
+/* Initialize our 100Hz clock */
+void
+ao_timer_init(void)
+{
+ lpc_systick.rvr = SYSTICK_RELOAD;
+ lpc_systick.cvr = 0;
+ lpc_systick.csr = ((1 << LPC_SYSTICK_CSR_ENABLE) |
+ (1 << LPC_SYSTICK_CSR_TICKINT) |
+ (LPC_SYSTICK_CSR_CLKSOURCE_CPU_OVER_2 << LPC_SYSTICK_CSR_CLKSOURCE));
+}
+
+#define AO_LPC_M ((AO_LPC_CLKOUT / AO_LPC_CLKIN) - 1)
+
+#define AO_LPC_FCCO_MIN 156000000
+
+static void
+ao_clock_delay(void)
+{
+ uint32_t i;
+ for (i = 0; i < 200; i++)
+ ao_arch_nop();
+}
+
+void
+ao_clock_init(void)
+{
+ uint8_t p;
+ uint32_t i;
+
+ /* Turn off all perhipherals except for GPIO configuration */
+ lpc_scb.sysahbclkctrl = ((1 << LPC_SCB_SYSAHBCLKCTRL_SYS) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_ROM) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_RAM0) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_FLASHARRAY) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_GPIO) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_IOCON));
+
+ /* Turn the IRC clock back on */
+ lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_IRC_PD);
+ ao_clock_delay();
+
+ /* Switch to the IRC clock */
+ lpc_scb.mainclksel = LPC_SCB_MAINCLKSEL_SEL_IRC << LPC_SCB_MAINCLKSEL_SEL;
+ lpc_scb.mainclkuen = (1 << LPC_SCB_MAINCLKUEN_ENA);
+ lpc_scb.mainclkuen = (0 << LPC_SCB_MAINCLKUEN_ENA);
+ lpc_scb.mainclkuen = (1 << LPC_SCB_MAINCLKUEN_ENA);
+ while (!(lpc_scb.mainclkuen & (1 << LPC_SCB_MAINCLKUEN_ENA)))
+ ;
+
+ /* Find a PLL post divider ratio that gets the FCCO in range */
+ for (p = 0; p < 4; p++)
+ if (AO_LPC_CLKOUT << (1 + p) >= AO_LPC_FCCO_MIN)
+ break;
+
+ if (p == 4)
+ ao_panic(AO_PANIC_CRASH);
+
+ /* Power down the PLL before touching the registers */
+ lpc_scb.pdruncfg |= (1 << LPC_SCB_PDRUNCFG_SYSPLL_PD);
+ ao_clock_delay();
+
+ /* Set PLL divider values */
+ lpc_scb.syspllctrl = ((AO_LPC_M << LPC_SCB_SYSPLLCTRL_MSEL) |
+ (p << LPC_SCB_SYSPLLCTRL_PSEL));
+
+ /* Turn off the external crystal clock */
+ lpc_scb.pdruncfg |= (1 << LPC_SCB_PDRUNCFG_SYSOSC_PD);
+ ao_clock_delay();
+
+ /* Configure the crystal clock */
+ lpc_scb.sysoscctrl = ((0 << LPC_SCB_SYSOSCCTRL_BYPASS) | /* using a crystal */
+ ((AO_LPC_CLKIN > 15000000) << LPC_SCB_SYSOSCCTRL_FREQRANGE));/* set range */
+
+ /* Turn on the external crystal clock */
+ lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_SYSOSC_PD);
+ ao_clock_delay();
+
+ /* Select crystal as PLL input */
+
+ lpc_scb.syspllclksel = (LPC_SCB_SYSPLLCLKSEL_SEL_SYSOSC << LPC_SCB_SYSPLLCLKSEL_SEL);
+ lpc_scb.syspllclkuen = (1 << LPC_SCB_SYSPLLCLKUEN_ENA);
+ lpc_scb.syspllclkuen = (0 << LPC_SCB_SYSPLLCLKUEN_ENA);
+ lpc_scb.syspllclkuen = (1 << LPC_SCB_SYSPLLCLKUEN_ENA);
+ while (!(lpc_scb.syspllclkuen & (1 << LPC_SCB_SYSPLLCLKUEN_ENA)))
+ ;
+
+ /* Turn on the PLL */
+ lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_SYSPLL_PD);
+
+ /* Wait for it to lock */
+
+ for (i = 0; i < 20000; i++)
+ if (lpc_scb.syspllstat & (1 << LPC_SCB_SYSPLLSTAT_LOCK))
+ break;
+ if (i == 20000)
+ ao_panic(AO_PANIC_CRASH);
+
+ /* Switch to the PLL */
+ lpc_scb.mainclksel = LPC_SCB_MAINCLKSEL_SEL_PLL_OUTPUT << LPC_SCB_MAINCLKSEL_SEL;
+ lpc_scb.mainclkuen = (1 << LPC_SCB_MAINCLKUEN_ENA);
+ lpc_scb.mainclkuen = (0 << LPC_SCB_MAINCLKUEN_ENA);
+ lpc_scb.mainclkuen = (1 << LPC_SCB_MAINCLKUEN_ENA);
+ while (!(lpc_scb.mainclkuen & (1 << LPC_SCB_MAINCLKUEN_ENA)))
+ ;
+
+ /* Set system clock divider */
+ lpc_scb.sysahbclkdiv = AO_LPC_CLKOUT / AO_LPC_SYSCLK;
+
+ /* Shut down perhipheral clocks (enabled as needed) */
+ lpc_scb.ssp0clkdiv = 0;
+ lpc_scb.uartclkdiv = 0;
+ lpc_scb.ssp1clkdiv = 0;
+ lpc_scb.usbclkdiv = 0;
+ lpc_scb.clkoutdiv = 0;
+}
--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+#include "ao_usb.h"
+#include "ao_product.h"
+
+#define USB_DEBUG 0
+#define USB_DEBUG_DATA 0
+#define USB_ECHO 0
+
+#if USB_DEBUG
+#define debug(format, args...) printf(format, ## args);
+#else
+#define debug(format, args...)
+#endif
+
+#if USB_DEBUG_DATA
+#define debug_data(format, args...) printf(format, ## args);
+#else
+#define debug_data(format, args...)
+#endif
+
+struct ao_task ao_usb_task;
+
+struct ao_usb_setup {
+ uint8_t dir_type_recip;
+ uint8_t request;
+ uint16_t value;
+ uint16_t index;
+ uint16_t length;
+} ao_usb_setup;
+
+static uint8_t ao_usb_ep0_state;
+
+/* Pending EP0 IN data */
+static const uint8_t *ao_usb_ep0_in_data; /* Remaining data */
+static uint8_t ao_usb_ep0_in_len; /* Remaining amount */
+
+/* Temp buffer for smaller EP0 in data */
+static uint8_t ao_usb_ep0_in_buf[2];
+
+/* Pending EP0 OUT data */
+static uint8_t *ao_usb_ep0_out_data;
+static uint8_t ao_usb_ep0_out_len;
+
+/*
+ * Objects allocated in special USB memory
+ */
+
+/* USB address of end of allocated storage */
+static uint8_t *ao_usb_sram;
+
+/* Pointer to ep0 tx/rx buffers in USB memory */
+static uint8_t *ao_usb_ep0_tx_buffer;
+static uint8_t *ao_usb_ep0_setup_buffer;
+static uint8_t *ao_usb_ep0_rx_buffer;
+
+/* Pointer to bulk data tx/rx buffers in USB memory */
+static uint8_t *ao_usb_in_tx_buffer;
+static uint8_t *ao_usb_out_rx_buffer;
+
+/* Our data buffers */
+static uint8_t ao_usb_tx_buffer[AO_USB_IN_SIZE];
+static uint8_t ao_usb_tx_count;
+
+static uint8_t ao_usb_rx_buffer[AO_USB_OUT_SIZE];
+static uint8_t ao_usb_rx_count, ao_usb_rx_pos;
+
+extern struct lpc_usb_endpoint lpc_usb_endpoint;
+
+/* Marks when we don't need to send an IN packet.
+ * This happens only when the last IN packet is not full,
+ * otherwise the host will expect to keep seeing packets.
+ * Send a zero-length packet as required
+ */
+static uint8_t ao_usb_in_flushed;
+
+/* Marks when we have delivered an IN packet to the hardware
+ * and it has not been received yet. ao_sleep on this address
+ * to wait for it to be delivered.
+ */
+static uint8_t ao_usb_in_pending;
+
+/* Marks when an OUT packet has been received by the hardware
+ * but not pulled to the shadow buffer.
+ */
+static uint8_t ao_usb_out_avail;
+static uint8_t ao_usb_running;
+static uint8_t ao_usb_configuration;
+static uint8_t ueienx_0;
+
+#define AO_USB_EP0_GOT_RESET 1
+#define AO_USB_EP0_GOT_SETUP 2
+#define AO_USB_EP0_GOT_RX_DATA 4
+#define AO_USB_EP0_GOT_TX_ACK 8
+
+static uint8_t ao_usb_ep0_receive;
+static uint8_t ao_usb_address;
+static uint8_t ao_usb_address_pending;
+
+static inline uint32_t set_toggle(uint32_t current_value,
+ uint32_t mask,
+ uint32_t desired_value)
+{
+ return (current_value ^ desired_value) & mask;
+}
+
+/*
+ * Set current device address and mark the
+ * interface as active
+ */
+void
+ao_usb_set_address(uint8_t address)
+{
+ debug("ao_usb_set_address %02x\n", address);
+ lpc_usb.devcmdstat = ((address << LPC_USB_DEVCMDSTAT_DEV_ADDR) |
+ (1 << LPC_USB_DEVCMDSTAT_DEV_EN) |
+ (0 << LPC_USB_DEVCMDSTAT_SETUP) |
+ (0 << LPC_USB_DEVCMDSTAT_PLL_ON) |
+ (0 << LPC_USB_DEVCMDSTAT_LPM_SUP) |
+ (0 << LPC_USB_DEVCMDSTAT_INTONNAK_AO) |
+ (0 << LPC_USB_DEVCMDSTAT_INTONNAK_AI) |
+ (0 << LPC_USB_DEVCMDSTAT_INTONNAK_CO) |
+ (0 << LPC_USB_DEVCMDSTAT_INTONNAK_CI) |
+ (1 << LPC_USB_DEVCMDSTAT_DCON) |
+ (0 << LPC_USB_DEVCMDSTAT_DSUS) |
+ (0 << LPC_USB_DEVCMDSTAT_DCON_C) |
+ (0 << LPC_USB_DEVCMDSTAT_DSUS_C) |
+ (0 << LPC_USB_DEVCMDSTAT_DRES_C) |
+ (0 << LPC_USB_DEVCMDSTAT_VBUSDEBOUNCED));
+ ao_usb_address_pending = 0;
+}
+
+#define TX_DBG 0
+#define RX_DBG 0
+
+#if TX_DBG
+#define _tx_dbg0(msg) _dbg(__LINE__,msg,0)
+#define _tx_dbg1(msg,value) _dbg(__LINE__,msg,value)
+#else
+#define _tx_dbg0(msg)
+#define _tx_dbg1(msg,value)
+#endif
+
+#if RX_DBG
+#define _rx_dbg0(msg) _dbg(__LINE__,msg,0)
+#define _rx_dbg1(msg,value) _dbg(__LINE__,msg,value)
+#else
+#define _rx_dbg0(msg)
+#define _rx_dbg1(msg,value)
+#endif
+
+#if TX_DBG || RX_DBG
+static void _dbg(int line, char *msg, uint32_t value);
+#endif
+
+/*
+ * Set just endpoint 0, for use during startup
+ */
+
+static uint8_t *
+ao_usb_alloc_sram(uint16_t size)
+{
+ uint8_t *addr = ao_usb_sram;
+
+ ao_usb_sram += (size + 63) & ~63;
+ return addr;
+}
+
+static uint16_t
+ao_usb_sram_offset(uint8_t *addr)
+{
+ return (uint16_t) ((intptr_t) addr >> 6);
+}
+
+static void
+ao_usb_set_ep(vuint32_t *ep, uint8_t *addr, uint16_t nbytes)
+{
+ *ep = ((ao_usb_sram_offset(addr) << LPC_USB_EP_OFFSET) |
+ (nbytes << LPC_USB_EP_NBYTES) |
+ (0 << LPC_USB_EP_ENDPOINT_ISO) |
+ (0 << LPC_USB_EP_RATE_FEEDBACK) |
+ (0 << LPC_USB_EP_TOGGLE_RESET) |
+ (0 << LPC_USB_EP_STALL) |
+ (0 << LPC_USB_EP_DISABLED) |
+ (1 << LPC_USB_EP_ACTIVE));
+}
+
+static inline uint16_t
+ao_usb_ep_count(vuint32_t *ep)
+{
+ return (*ep >> LPC_USB_EP_NBYTES) & LPC_USB_EP_NBYTES_MASK;
+}
+
+static inline uint8_t
+ao_usb_ep_stall(vuint32_t *ep)
+{
+ return (*ep >> LPC_USB_EP_STALL) & 1;
+}
+
+static inline vuint32_t *
+ao_usb_ep0_out(void)
+{
+ return &lpc_usb_endpoint.ep0_out;
+}
+
+static inline vuint32_t *
+ao_usb_ep0_in(void)
+{
+ return &lpc_usb_endpoint.ep0_in;
+}
+
+static inline vuint32_t *
+ao_usb_epn_out(uint8_t n)
+{
+ return &lpc_usb_endpoint.epn[n-1].out[0];
+}
+
+static inline vuint32_t *
+ao_usb_epn_in(uint8_t n)
+{
+ return &lpc_usb_endpoint.epn[n-1].in[0];
+}
+
+static void
+ao_usb_set_epn_in(uint8_t n, uint8_t *addr, uint16_t nbytes)
+{
+ ao_usb_set_ep(ao_usb_epn_in(n), addr, nbytes);
+}
+
+static void
+ao_usb_set_epn_out(uint8_t n, uint8_t *addr, uint16_t nbytes)
+{
+ ao_usb_set_ep(ao_usb_epn_out(n), addr, nbytes);
+}
+
+static inline uint16_t
+ao_usb_epn_out_count(uint8_t n)
+{
+ return ao_usb_ep_count(ao_usb_epn_out(n));
+}
+
+static inline uint16_t
+ao_usb_epn_in_count(uint8_t n)
+{
+ return ao_usb_ep_count(ao_usb_epn_in(n));
+}
+
+static uint8_t *
+ao_usb_enable_ep(vuint32_t *ep, uint16_t nbytes, uint16_t set_nbytes)
+{
+ uint8_t *addr = ao_usb_alloc_sram(nbytes);
+
+ ao_usb_set_ep(ep, addr, set_nbytes);
+ return addr;
+}
+
+static void
+ao_usb_disable_ep(vuint32_t *ep)
+{
+ *ep = ((0 << LPC_USB_EP_OFFSET) |
+ (0 << LPC_USB_EP_NBYTES) |
+ (0 << LPC_USB_EP_ENDPOINT_ISO) |
+ (0 << LPC_USB_EP_RATE_FEEDBACK) |
+ (0 << LPC_USB_EP_TOGGLE_RESET) |
+ (0 << LPC_USB_EP_STALL) |
+ (1 << LPC_USB_EP_DISABLED) |
+ (0 << LPC_USB_EP_ACTIVE));
+}
+
+static void
+ao_usb_enable_epn(uint8_t n, uint16_t out_bytes, uint8_t **out_addr, uint16_t in_bytes, uint8_t **in_addr)
+{
+ uint8_t *addr;
+
+ addr = ao_usb_enable_ep(ao_usb_epn_out(n), out_bytes, out_bytes);
+ if (out_addr)
+ *out_addr = addr;
+ ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].out[1]);
+
+ addr = ao_usb_enable_ep(ao_usb_epn_in(n), in_bytes, 0);
+ if (in_addr)
+ *in_addr = addr;
+ ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].in[1]);
+}
+
+static void
+ao_usb_disable_epn(uint8_t n)
+{
+ ao_usb_disable_ep(ao_usb_epn_out(n));
+ ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].out[1]);
+ ao_usb_disable_ep(ao_usb_epn_in(n));
+ ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].in[1]);
+}
+
+static void
+ao_usb_set_ep0(void)
+{
+ int e;
+
+ /* Everything is single buffered for now */
+ lpc_usb.epbufcfg = 0;
+ lpc_usb.epinuse = 0;
+ lpc_usb.epskip = 0xffffffff;
+
+ ao_usb_set_address(0);
+ lpc_usb.intstat = 0xc00003ff;
+
+ ao_usb_configuration = 0;
+
+ ao_usb_sram = lpc_usb_sram;
+
+ lpc_usb.epliststart = (uint32_t) (intptr_t) &lpc_usb_endpoint;
+ lpc_usb.databufstart = ((uint32_t) (intptr_t) ao_usb_sram) & 0xffc00000;
+
+ /* Set up EP 0 - a Control end point with 32 bytes of in and out buffers */
+
+ ao_usb_ep0_rx_buffer = ao_usb_enable_ep(ao_usb_ep0_out(), AO_USB_CONTROL_SIZE, AO_USB_CONTROL_SIZE);
+ ao_usb_ep0_setup_buffer = ao_usb_alloc_sram(AO_USB_CONTROL_SIZE);
+ lpc_usb_endpoint.setup = ao_usb_sram_offset(ao_usb_ep0_setup_buffer);
+ ao_usb_ep0_tx_buffer = ao_usb_enable_ep(ao_usb_ep0_in(), AO_USB_CONTROL_SIZE, 0);
+
+ /* Clear all of the other endpoints */
+ for (e = 1; e <= 4; e++)
+ ao_usb_disable_epn(e);
+
+}
+
+static void
+ao_usb_set_configuration(void)
+{
+ debug ("ao_usb_set_configuration\n");
+
+ /* Set up the INT end point */
+ ao_usb_enable_epn(AO_USB_INT_EP, 0, NULL, 0, NULL);
+
+ /* Set up the OUT end point */
+ ao_usb_enable_epn(AO_USB_OUT_EP, AO_USB_OUT_SIZE, &ao_usb_out_rx_buffer, 0, NULL);
+
+ /* Set up the IN end point */
+ ao_usb_enable_epn(AO_USB_IN_EP, 0, NULL, AO_USB_IN_SIZE, &ao_usb_in_tx_buffer);
+
+ ao_usb_running = 1;
+}
+
+/* Send an IN data packet */
+static void
+ao_usb_ep0_flush(void)
+{
+ uint8_t this_len;
+
+ this_len = ao_usb_ep0_in_len;
+ if (this_len > AO_USB_CONTROL_SIZE)
+ this_len = AO_USB_CONTROL_SIZE;
+
+ if (this_len < AO_USB_CONTROL_SIZE)
+ ao_usb_ep0_state = AO_USB_EP0_IDLE;
+
+ ao_usb_ep0_in_len -= this_len;
+
+ debug_data ("Flush EP0 len %d:", this_len);
+ memcpy(ao_usb_ep0_tx_buffer, ao_usb_ep0_in_data, this_len);
+ debug_data ("\n");
+ ao_usb_ep0_in_data += this_len;
+
+ /* Mark the endpoint as TX valid to send the packet */
+ ao_usb_set_ep(ao_usb_ep0_in(), ao_usb_ep0_tx_buffer, this_len);
+ debug ("queue tx. 0 now %08x\n", *ao_usb_ep0_in());
+}
+
+/* Read data from the ep0 OUT fifo */
+static void
+ao_usb_ep0_fill(void)
+{
+ uint16_t len;
+ uint8_t *rx_buffer;
+
+ /* Pull all of the data out of the packet */
+ if (lpc_usb.devcmdstat & (1 << LPC_USB_DEVCMDSTAT_SETUP)) {
+ rx_buffer = ao_usb_ep0_setup_buffer;
+ len = 8;
+ } else {
+ rx_buffer = ao_usb_ep0_rx_buffer;
+ len = AO_USB_CONTROL_SIZE - ao_usb_ep_count(ao_usb_ep0_out());
+ }
+
+ if (len > ao_usb_ep0_out_len)
+ len = ao_usb_ep0_out_len;
+ ao_usb_ep0_out_len -= len;
+
+ debug_data ("Fill EP0 len %d:", len);
+ memcpy(ao_usb_ep0_out_data, rx_buffer, len);
+ debug_data ("\n");
+ ao_usb_ep0_out_data += len;
+
+ /* ACK the packet */
+ ao_usb_set_ep(ao_usb_ep0_out(), ao_usb_ep0_rx_buffer, AO_USB_CONTROL_SIZE);
+ lpc_usb.devcmdstat |= (1 << LPC_USB_DEVCMDSTAT_SETUP);
+}
+
+static void
+ao_usb_ep0_in_reset(void)
+{
+ ao_usb_ep0_in_data = ao_usb_ep0_in_buf;
+ ao_usb_ep0_in_len = 0;
+}
+
+static void
+ao_usb_ep0_in_queue_byte(uint8_t a)
+{
+ if (ao_usb_ep0_in_len < sizeof (ao_usb_ep0_in_buf))
+ ao_usb_ep0_in_buf[ao_usb_ep0_in_len++] = a;
+}
+
+static void
+ao_usb_ep0_in_set(const uint8_t *data, uint8_t len)
+{
+ ao_usb_ep0_in_data = data;
+ ao_usb_ep0_in_len = len;
+}
+
+static void
+ao_usb_ep0_out_set(uint8_t *data, uint8_t len)
+{
+ ao_usb_ep0_out_data = data;
+ ao_usb_ep0_out_len = len;
+}
+
+static void
+ao_usb_ep0_in_start(uint8_t max)
+{
+ /* Don't send more than asked for */
+ if (ao_usb_ep0_in_len > max)
+ ao_usb_ep0_in_len = max;
+ ao_usb_ep0_flush();
+}
+
+static struct ao_usb_line_coding ao_usb_line_coding = {115200, 0, 0, 8};
+
+/* Walk through the list of descriptors and find a match
+ */
+static void
+ao_usb_get_descriptor(uint16_t value)
+{
+ const uint8_t *descriptor;
+ uint8_t type = value >> 8;
+ uint8_t index = value;
+
+ descriptor = ao_usb_descriptors;
+ while (descriptor[0] != 0) {
+ if (descriptor[1] == type && index-- == 0) {
+ uint8_t len;
+ if (type == AO_USB_DESC_CONFIGURATION)
+ len = descriptor[2];
+ else
+ len = descriptor[0];
+ ao_usb_ep0_in_set(descriptor, len);
+ break;
+ }
+ descriptor += descriptor[0];
+ }
+}
+
+static void
+ao_usb_ep0_setup(void)
+{
+ /* Pull the setup packet out of the fifo */
+ ao_usb_ep0_out_set((uint8_t *) &ao_usb_setup, 8);
+ ao_usb_ep0_fill();
+ if (ao_usb_ep0_out_len != 0) {
+ debug ("invalid setup packet length\n");
+ return;
+ }
+
+ if ((ao_usb_setup.dir_type_recip & AO_USB_DIR_IN) || ao_usb_setup.length == 0)
+ ao_usb_ep0_state = AO_USB_EP0_DATA_IN;
+ else
+ ao_usb_ep0_state = AO_USB_EP0_DATA_OUT;
+
+ ao_usb_ep0_in_reset();
+
+ switch(ao_usb_setup.dir_type_recip & AO_USB_SETUP_TYPE_MASK) {
+ case AO_USB_TYPE_STANDARD:
+ debug ("Standard setup packet\n");
+ switch(ao_usb_setup.dir_type_recip & AO_USB_SETUP_RECIP_MASK) {
+ case AO_USB_RECIP_DEVICE:
+ debug ("Device setup packet\n");
+ switch(ao_usb_setup.request) {
+ case AO_USB_REQ_GET_STATUS:
+ debug ("get status\n");
+ ao_usb_ep0_in_queue_byte(0);
+ ao_usb_ep0_in_queue_byte(0);
+ break;
+ case AO_USB_REQ_SET_ADDRESS:
+ debug ("set address %d\n", ao_usb_setup.value);
+ ao_usb_address = ao_usb_setup.value;
+ ao_usb_address_pending = 1;
+ break;
+ case AO_USB_REQ_GET_DESCRIPTOR:
+ debug ("get descriptor %d\n", ao_usb_setup.value);
+ ao_usb_get_descriptor(ao_usb_setup.value);
+ break;
+ case AO_USB_REQ_GET_CONFIGURATION:
+ debug ("get configuration %d\n", ao_usb_configuration);
+ ao_usb_ep0_in_queue_byte(ao_usb_configuration);
+ break;
+ case AO_USB_REQ_SET_CONFIGURATION:
+ ao_usb_configuration = ao_usb_setup.value;
+ debug ("set configuration %d\n", ao_usb_configuration);
+ ao_usb_set_configuration();
+ break;
+ }
+ break;
+ case AO_USB_RECIP_INTERFACE:
+ debug ("Interface setup packet\n");
+ switch(ao_usb_setup.request) {
+ case AO_USB_REQ_GET_STATUS:
+ ao_usb_ep0_in_queue_byte(0);
+ ao_usb_ep0_in_queue_byte(0);
+ break;
+ case AO_USB_REQ_GET_INTERFACE:
+ ao_usb_ep0_in_queue_byte(0);
+ break;
+ case AO_USB_REQ_SET_INTERFACE:
+ break;
+ }
+ break;
+ case AO_USB_RECIP_ENDPOINT:
+ debug ("Endpoint setup packet\n");
+ switch(ao_usb_setup.request) {
+ case AO_USB_REQ_GET_STATUS:
+ ao_usb_ep0_in_queue_byte(0);
+ ao_usb_ep0_in_queue_byte(0);
+ break;
+ }
+ break;
+ }
+ break;
+ case AO_USB_TYPE_CLASS:
+ debug ("Class setup packet\n");
+ switch (ao_usb_setup.request) {
+ case AO_USB_SET_LINE_CODING:
+ debug ("set line coding\n");
+ ao_usb_ep0_out_set((uint8_t *) &ao_usb_line_coding, 7);
+ break;
+ case AO_USB_GET_LINE_CODING:
+ debug ("get line coding\n");
+ ao_usb_ep0_in_set((const uint8_t *) &ao_usb_line_coding, 7);
+ break;
+ case AO_USB_SET_CONTROL_LINE_STATE:
+ break;
+ }
+ break;
+ }
+
+ /* If we're not waiting to receive data from the host,
+ * queue an IN response
+ */
+ if (ao_usb_ep0_state == AO_USB_EP0_DATA_IN)
+ ao_usb_ep0_in_start(ao_usb_setup.length);
+}
+
+static void
+ao_usb_ep0_handle(uint8_t receive)
+{
+ ao_usb_ep0_receive = 0;
+
+ if (receive & AO_USB_EP0_GOT_RESET) {
+ debug ("\treset\n");
+ ao_usb_set_ep0();
+ return;
+ }
+ if (receive & AO_USB_EP0_GOT_SETUP) {
+ debug ("\tsetup\n");
+ ao_usb_ep0_setup();
+ }
+ if (receive & AO_USB_EP0_GOT_RX_DATA) {
+ debug ("\tgot rx data\n");
+ if (ao_usb_ep0_state == AO_USB_EP0_DATA_OUT) {
+ ao_usb_ep0_fill();
+ if (ao_usb_ep0_out_len == 0) {
+ ao_usb_ep0_state = AO_USB_EP0_DATA_IN;
+ ao_usb_ep0_in_start(0);
+ }
+ }
+ }
+ if (receive & AO_USB_EP0_GOT_TX_ACK) {
+ debug ("\tgot tx ack\n");
+
+ /* Wait until the IN packet is received from addr 0
+ * before assigning our local address
+ */
+ if (ao_usb_address_pending) {
+#if HAS_FLIGHT
+ /* Go to idle mode if USB is connected
+ */
+ ao_flight_force_idle = 1;
+#endif
+ ao_usb_set_address(ao_usb_address);
+ }
+ if (ao_usb_ep0_state == AO_USB_EP0_DATA_IN)
+ ao_usb_ep0_flush();
+ }
+}
+
+static uint16_t control_count;
+static uint16_t int_count;
+static uint16_t in_count;
+static uint16_t out_count;
+static uint16_t reset_count;
+
+void
+lpc_usb_irq_isr(void)
+{
+ uint32_t intstat = lpc_usb.intstat & lpc_usb.inten;
+
+ lpc_usb.intstat = intstat;
+ /* Handle EP0 OUT packets */
+ if (intstat & (1 << LPC_USB_INT_EPOUT(0))) {
+ if (lpc_usb.devcmdstat & (1 << LPC_USB_DEVCMDSTAT_SETUP))
+ ao_usb_ep0_receive |= AO_USB_EP0_GOT_SETUP;
+ else
+ ao_usb_ep0_receive |= AO_USB_EP0_GOT_RX_DATA;
+
+ ao_usb_ep0_handle(ao_usb_ep0_receive);
+ }
+
+ /* Handle EP0 IN packets */
+ if (intstat & (1 << LPC_USB_INT_EPIN(0))) {
+ ao_usb_ep0_receive |= AO_USB_EP0_GOT_TX_ACK;
+
+ ao_usb_ep0_handle(ao_usb_ep0_receive);
+ }
+
+
+ /* Handle OUT packets */
+ if (intstat & (1 << LPC_USB_INT_EPOUT(AO_USB_OUT_EP))) {
+ ++out_count;
+ _rx_dbg1("RX ISR", *ao_usb_epn_out(AO_USB_OUT_EP));
+ ao_usb_out_avail = 1;
+ _rx_dbg0("out avail set");
+ ao_wakeup(&ao_stdin_ready);
+ _rx_dbg0("stdin awoken");
+ }
+
+ /* Handle IN packets */
+ if (intstat & (1 << LPC_USB_INT_EPIN(AO_USB_IN_EP))) {
+ ++in_count;
+ _tx_dbg1("TX ISR", *ao_usb_epn_in(AO_USB_IN_EP));
+ ao_usb_in_pending = 0;
+ ao_wakeup(&ao_usb_in_pending);
+ }
+
+ /* NAK all INT EP IN packets */
+ if (intstat & (1 << LPC_USB_INT_EPIN(AO_USB_INT_EP))) {
+ ;
+ }
+
+ /* Check for reset */
+ if (intstat & (1 << LPC_USB_INT_DEV)) {
+ if (lpc_usb.devcmdstat & (1 << LPC_USB_DEVCMDSTAT_DRES_C))
+ {
+ lpc_usb.devcmdstat |= (1 << LPC_USB_DEVCMDSTAT_DRES_C);
+ ao_usb_ep0_receive |= AO_USB_EP0_GOT_RESET;
+ ao_usb_ep0_handle(ao_usb_ep0_receive);
+ }
+ }
+}
+
+
+
+/* Queue the current IN buffer for transmission */
+static void
+_ao_usb_in_send(void)
+{
+ _tx_dbg0("in_send start");
+ debug ("send %d\n", ao_usb_tx_count);
+ while (ao_usb_in_pending)
+ ao_sleep(&ao_usb_in_pending);
+ ao_usb_in_pending = 1;
+ if (ao_usb_tx_count != AO_USB_IN_SIZE)
+ ao_usb_in_flushed = 1;
+ memcpy(ao_usb_in_tx_buffer, ao_usb_tx_buffer, ao_usb_tx_count);
+ ao_usb_set_ep(ao_usb_epn_in(AO_USB_IN_EP), ao_usb_in_tx_buffer, ao_usb_tx_count);
+ ao_usb_tx_count = 0;
+ _tx_dbg0("in_send end");
+}
+
+/* Wait for a free IN buffer. Interrupts are blocked */
+static void
+_ao_usb_in_wait(void)
+{
+ for (;;) {
+ /* Check if the current buffer is writable */
+ if (ao_usb_tx_count < AO_USB_IN_SIZE)
+ break;
+
+ _tx_dbg0("in_wait top");
+ /* Wait for an IN buffer to be ready */
+ while (ao_usb_in_pending)
+ ao_sleep(&ao_usb_in_pending);
+ _tx_dbg0("in_wait bottom");
+ }
+}
+
+void
+ao_usb_flush(void)
+{
+ if (!ao_usb_running)
+ return;
+
+ /* Anytime we've sent a character since
+ * the last time we flushed, we'll need
+ * to send a packet -- the only other time
+ * we would send a packet is when that
+ * packet was full, in which case we now
+ * want to send an empty packet
+ */
+ ao_arch_block_interrupts();
+ while (!ao_usb_in_flushed) {
+ _tx_dbg0("flush top");
+ _ao_usb_in_send();
+ _tx_dbg0("flush end");
+ }
+ ao_arch_release_interrupts();
+}
+
+void
+ao_usb_putchar(char c)
+{
+ if (!ao_usb_running)
+ return;
+
+ ao_arch_block_interrupts();
+ _ao_usb_in_wait();
+
+ ao_usb_in_flushed = 0;
+ ao_usb_tx_buffer[ao_usb_tx_count++] = (uint8_t) c;
+
+ /* Send the packet when full */
+ if (ao_usb_tx_count == AO_USB_IN_SIZE) {
+ _tx_dbg0("putchar full");
+ _ao_usb_in_send();
+ _tx_dbg0("putchar flushed");
+ }
+ ao_arch_release_interrupts();
+}
+
+static void
+_ao_usb_out_recv(void)
+{
+ _rx_dbg0("out_recv top");
+ ao_usb_out_avail = 0;
+
+ ao_usb_rx_count = AO_USB_OUT_SIZE - ao_usb_epn_out_count(AO_USB_OUT_EP);
+
+ _rx_dbg1("out_recv count", ao_usb_rx_count);
+ debug ("recv %d\n", ao_usb_rx_count);
+ debug_data("Fill OUT len %d:", ao_usb_rx_count);
+ memcpy(ao_usb_rx_buffer, ao_usb_out_rx_buffer, ao_usb_rx_count);
+ debug_data("\n");
+ ao_usb_rx_pos = 0;
+
+ /* ACK the packet */
+ ao_usb_set_epn_out(AO_USB_OUT_EP, ao_usb_out_rx_buffer, AO_USB_OUT_SIZE);
+}
+
+int
+_ao_usb_pollchar(void)
+{
+ uint8_t c;
+
+ if (!ao_usb_running)
+ return AO_READ_AGAIN;
+
+ for (;;) {
+ if (ao_usb_rx_pos != ao_usb_rx_count)
+ break;
+
+ _rx_dbg0("poll check");
+ /* Check to see if a packet has arrived */
+ if (!ao_usb_out_avail) {
+ _rx_dbg0("poll none");
+ return AO_READ_AGAIN;
+ }
+ _ao_usb_out_recv();
+ }
+
+ /* Pull a character out of the fifo */
+ c = ao_usb_rx_buffer[ao_usb_rx_pos++];
+ return c;
+}
+
+char
+ao_usb_getchar(void)
+{
+ int c;
+
+ ao_arch_block_interrupts();
+ while ((c = _ao_usb_pollchar()) == AO_READ_AGAIN)
+ ao_sleep(&ao_stdin_ready);
+ ao_arch_release_interrupts();
+ return c;
+}
+
+void
+ao_usb_disable(void)
+{
+ ao_arch_block_interrupts();
+
+ /* Disable interrupts */
+ lpc_usb.inten = 0;
+
+ lpc_nvic_clear_enable(LPC_ISR_USB_IRQ_POS);
+
+ /* Disable the device */
+ lpc_usb.devcmdstat = 0;
+
+ /* Turn off USB clock */
+ lpc_scb.usbclkdiv = 0;
+
+ /* Disable USB PHY */
+ lpc_scb.pdruncfg |= (1 << LPC_SCB_PDRUNCFG_USBPAD_PD);
+
+ /* Disable USB registers and RAM */
+ lpc_scb.sysahbclkctrl &= ~((1 << LPC_SCB_SYSAHBCLKCTRL_USB) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_USBRAM));
+
+ ao_arch_release_interrupts();
+}
+
+void
+ao_usb_enable(void)
+{
+ int t;
+
+ /* Enable USB pins */
+#if HAS_USB_CONNECT
+ lpc_ioconf.pio0_6 = ((LPC_IOCONF_FUNC_USB_CONNECT << LPC_IOCONF_FUNC) |
+ (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
+ (0 << LPC_IOCONF_HYS) |
+ (0 << LPC_IOCONF_INV) |
+ (0 << LPC_IOCONF_OD) |
+ 0x80);
+#endif
+#if HAS_USB_VBUS
+ lpc_ioconf.pio0_3 = ((LPC_IOCONF_FUNC_USB_VBUS << LPC_IOCONF_FUNC) |
+ (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
+ (0 << LPC_IOCONF_HYS) |
+ (0 << LPC_IOCONF_INV) |
+ (0 << LPC_IOCONF_OD) |
+ 0x80);
+#endif
+ /* Enable USB registers and RAM */
+ lpc_scb.sysahbclkctrl |= ((1 << LPC_SCB_SYSAHBCLKCTRL_USB) |
+ (1 << LPC_SCB_SYSAHBCLKCTRL_USBRAM));
+
+ /* Enable USB PHY */
+ lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_USBPAD_PD);
+
+ /* Turn on USB PLL */
+ lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_USBPLL_PD);
+
+ lpc_scb.usbpllclksel = (LPC_SCB_SYSPLLCLKSEL_SEL_SYSOSC << LPC_SCB_SYSPLLCLKSEL_SEL);
+ lpc_scb.usbpllclkuen = (1 << LPC_SCB_USBPLLCLKUEN_ENA);
+ lpc_scb.usbpllclkuen = (0 << LPC_SCB_USBPLLCLKUEN_ENA);
+ lpc_scb.usbpllclkuen = (1 << LPC_SCB_USBPLLCLKUEN_ENA);
+ while (!(lpc_scb.usbpllclkuen & (1 << LPC_SCB_USBPLLCLKUEN_ENA)))
+ ;
+ lpc_scb.usbpllctrl = 0x23;
+ while (!(lpc_scb.usbpllstat & 1))
+ ;
+
+ lpc_scb.usbclksel = 0;
+
+ /* Turn on USB clock, use 48MHz clock unchanged */
+ lpc_scb.usbclkdiv = 1;
+
+ /* Configure interrupts */
+ ao_arch_block_interrupts();
+
+ /* Route all interrupts to the main isr */
+ lpc_usb.introuting = 0;
+
+ /* Configure NVIC */
+
+ lpc_nvic_set_enable(LPC_ISR_USB_IRQ_POS);
+ lpc_nvic_set_priority(LPC_ISR_USB_IRQ_POS, 0);
+
+ /* Clear any spurious interrupts */
+ lpc_usb.intstat = 0xffffffff;
+
+ debug ("ao_usb_enable\n");
+
+ /* Enable interrupts */
+ lpc_usb.inten = ((1 << LPC_USB_INT_EPOUT(0)) |
+ (1 << LPC_USB_INT_EPIN(0)) |
+ (1 << LPC_USB_INT_EPIN(AO_USB_INT_EP)) |
+ (1 << LPC_USB_INT_EPOUT(AO_USB_OUT_EP)) |
+ (1 << LPC_USB_INT_EPIN(AO_USB_IN_EP)) |
+ (1 << LPC_USB_INT_DEV));
+
+ ao_arch_release_interrupts();
+
+ lpc_usb.devcmdstat = 0;
+ for (t = 0; t < 1000; t++)
+ ao_arch_nop();
+
+ ao_usb_set_ep0();
+}
+
+#if USB_ECHO
+struct ao_task ao_usb_echo_task;
+
+static void
+ao_usb_echo(void)
+{
+ char c;
+
+ for (;;) {
+ c = ao_usb_getchar();
+ ao_usb_putchar(c);
+ ao_usb_flush();
+ }
+}
+#endif
+
+#if USB_DEBUG
+static void
+ao_usb_irq(void)
+{
+ printf ("control: %d out: %d in: %d int: %d reset: %d\n",
+ control_count, out_count, in_count, int_count, reset_count);
+}
+
+__code struct ao_cmds ao_usb_cmds[] = {
+ { ao_usb_irq, "I\0Show USB interrupt counts" },
+ { 0, NULL }
+};
+#endif
+
+void
+ao_usb_init(void)
+{
+ ao_usb_enable();
+
+ debug ("ao_usb_init\n");
+#if USB_ECHO
+ ao_add_task(&ao_usb_echo_task, ao_usb_echo, "usb echo");
+#endif
+#if USB_DEBUG
+ ao_cmd_register(&ao_usb_cmds[0]);
+#endif
+#if !USB_ECHO
+ ao_add_stdio(_ao_usb_pollchar, ao_usb_putchar, ao_usb_flush);
+#endif
+}
+
+#if TX_DBG || RX_DBG
+
+struct ao_usb_dbg {
+ int line;
+ char *msg;
+ uint32_t value;
+ uint32_t primask;
+#if TX_DBG
+ uint16_t in_count;
+ uint32_t in_ep;
+ uint32_t in_pending;
+ uint32_t tx_count;
+ uint32_t in_flushed;
+#endif
+#if RX_DBG
+ uint8_t rx_count;
+ uint8_t rx_pos;
+ uint8_t out_avail;
+ uint32_t out_ep;
+#endif
+};
+
+#define NUM_USB_DBG 8
+
+static struct ao_usb_dbg dbg[NUM_USB_DBG];
+static int dbg_i;
+
+static void _dbg(int line, char *msg, uint32_t value)
+{
+ uint32_t primask;
+ dbg[dbg_i].line = line;
+ dbg[dbg_i].msg = msg;
+ dbg[dbg_i].value = value;
+ asm("mrs %0,primask" : "=&r" (primask));
+ dbg[dbg_i].primask = primask;
+#if TX_DBG
+ dbg[dbg_i].in_count = in_count;
+ dbg[dbg_i].in_ep = *ao_usb_epn_in(AO_USB_IN_EP);
+ dbg[dbg_i].in_pending = ao_usb_in_pending;
+ dbg[dbg_i].tx_count = ao_usb_tx_count;
+ dbg[dbg_i].in_flushed = ao_usb_in_flushed;
+#endif
+#if RX_DBG
+ dbg[dbg_i].rx_count = ao_usb_rx_count;
+ dbg[dbg_i].rx_pos = ao_usb_rx_pos;
+ dbg[dbg_i].out_avail = ao_usb_out_avail;
+ dbg[dbg_i].out_ep = *ao_usb_epn_out(AO_USB_OUT_EP);
+#endif
+ if (++dbg_i == NUM_USB_DBG)
+ dbg_i = 0;
+}
+#endif
--- /dev/null
+#!/usr/bin/env nickle
+
+/*
+ * Given a main clock frequency,
+ * compute USART clock freq and a table
+ * of USART config parameters for our target baud rates
+ */
+
+real main_clock = 0;
+real usart_clock = 0;
+
+real[] baud_rates = { 4800, 9600, 19200, 57600, 115200 };
+
+void
+compute_baud_rate(real rate) {
+ int divaddval;
+ int mulval;
+
+ real dl_est = usart_clock / (16 * rate);
+
+ if (dl_est == floor(dl_est)) {
+ divaddval = 0;
+ mulval = 1;
+ } else {
+ if (false) {
+
+ /* This is how the docs suggest doing it; this
+ * generates a rate which is reasonably close
+ */
+
+ real fr_est = 1.5;
+
+ /* Compute fractional estimate */
+ do {
+ dl_est = floor(usart_clock / (16 * rate * fr_est) + 0.5);
+ fr_est = usart_clock / (16 * rate * dl_est);
+ } while (fr_est <= 1.1 || 1.9 <= fr_est);
+
+ /* Given fractional estimate, compute divaddval/mulvals that work best */
+
+ real best_dist = 1000;
+ for (int tmp_divaddval = 1; tmp_divaddval < 15; tmp_divaddval++) {
+ for (int tmp_mulval = 1; tmp_mulval < 16; tmp_mulval++) {
+ real fr = 1 + tmp_divaddval / tmp_mulval;
+ real dist = abs(fr - fr_est);
+ if (dist < best_dist) {
+ divaddval = tmp_divaddval;
+ mulval = tmp_mulval;
+ best_dist = dist;
+ }
+ }
+ }
+ } else {
+
+ /* This exhaustively searches for the best match */
+
+ real my_best_dist = 1e20;
+ int my_best_dl;
+ int my_best_divaddval;
+ int my_best_mulval;
+ for (int my_dl = 1; my_dl < 1024; my_dl++) {
+ for (int my_mulval = 1; my_mulval < 16; my_mulval++) {
+ for (int my_divaddval = 0; my_divaddval < my_mulval; my_divaddval++) {
+ real my_rate = usart_clock / ((16 * my_dl) * (1 + my_divaddval/my_mulval));
+
+ real my_dist = abs(rate - my_rate);
+
+ if (my_dist == 0 && my_divaddval == 0) {
+ my_dist = -1;
+ }
+
+ if (my_dist < my_best_dist) {
+ my_best_dl = my_dl;
+ my_best_divaddval = my_divaddval;
+ my_best_mulval = my_mulval;
+ my_best_dist = my_dist;
+ }
+ }
+ }
+ }
+
+ dl_est = my_best_dl;
+ divaddval = my_best_divaddval;
+ mulval = my_best_mulval;
+ }
+ }
+
+ int dl = floor (dl_est);
+
+ real actual = usart_clock / ((16 * dl) * (1 + divaddval/mulval));
+
+ printf("\t[AO_SERIAL_SPEED_%d] = { /* actual = %8.2f */\n", floor(rate), actual);
+ printf("\t\t.dl = %d,\n", dl);
+ printf("\t\t.divaddval = %d,\n", divaddval);
+ printf("\t\t.mulval = %d\n", mulval);
+ printf("\t},\n");
+}
+
+void
+main() {
+ if (dim(argv) < 2) {
+ printf ("usage: %s <main-clock>\n", argv[0]);
+ exit(1);
+ }
+ main_clock = string_to_real(argv[1]);
+
+ for (int div = 0; div < 4; div++) {
+ if (main_clock / (1 << div) <= 12000000) {
+ usart_clock = main_clock / (1 << div);
+ break;
+ }
+ }
+
+ if (usart_clock == 0) {
+ printf ("can't get usart clock in range\n");
+ exit(1);
+ }
+
+ printf ("#define AO_LPC_USARTCLK %d\n\n", floor(usart_clock));
+ printf("static const struct {\n");
+ printf("\tuint16_t dl;\n");
+ printf("\tuint8_t divaddval;\n");
+ printf("\tuint8_t mulval;\n");
+ printf("} ao_usart_speeds[] = {\n");
+ for (int i = 0; i < dim(baud_rates); i++) {
+ compute_baud_rate(baud_rates[i]);
+ }
+ printf ("};\n");
+}
+
+main();
--- /dev/null
+#!/usr/bin/env nickle
+
+autoimport Process;
+
+int byteflip(int x) {
+ return ((x >> 24) & 0xff) | ((x >> 8) & 0xff00) | ((x << 8) & 0xff0000) | ((x << 24) & 0xff000000);
+}
+
+void main () {
+ file input = popen(popen_direction.read, true, "objdump",
+ "objdump", "-j", ".text",
+ "--start-address=0",
+ "--stop-address=0x20",
+ "-s", argv[1]);
+ int sum = 0;
+
+ void add_in(int addr, int value) {
+ if (addr < 0x1c) {
+ sum += value;
+ } else if (addr == 0x1c) {
+ printf ("-DCKSUM=0x%08x\n", -sum & 0xffffffff);
+ exit(0);
+ }
+ }
+ while (!File::end(input)) {
+ string line = File::fgets(input);
+ string[] words = String::wordsplit(line, " ");
+
+ if (dim(words) < 5)
+ continue;
+ if (words[0] == "0000" || words[0] == "0010") {
+ int addr = string_to_integer(words[0], 16);
+ for (int i = 0; i < 4; i++)
+ add_in(addr + i * 4, byteflip(string_to_integer(words[i+1], 16)));
+ }
+ }
+}
+
+main();
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _LPC_H_
+#define _LPC_H_
+
+#include <stdint.h>
+
+typedef volatile uint32_t vuint32_t;
+typedef volatile uint16_t vuint16_t;
+typedef volatile uint8_t vuint8_t;
+typedef volatile void * vvoid_t;
+
+struct lpc_ioconf {
+ vuint32_t pio0_0;
+ vuint32_t pio0_1;
+ vuint32_t pio0_2;
+ vuint32_t pio0_3;
+
+ vuint32_t pio0_4;
+ vuint32_t pio0_5;
+ vuint32_t pio0_6;
+ vuint32_t pio0_7;
+
+ vuint32_t pio0_8;
+ vuint32_t pio0_9;
+ vuint32_t pio0_10;
+ vuint32_t pio0_11;
+
+ vuint32_t pio0_12;
+ vuint32_t pio0_13;
+ vuint32_t pio0_14;
+ vuint32_t pio0_15;
+
+ vuint32_t pio0_16;
+ vuint32_t pio0_17;
+ vuint32_t pio0_18;
+ vuint32_t pio0_19;
+
+ vuint32_t pio0_20;
+ vuint32_t pio0_21;
+ vuint32_t pio0_22;
+ vuint32_t pio0_23;
+
+ vuint32_t pio1_0; /* 0x60 */
+ vuint32_t pio1_1;
+ vuint32_t pio1_2;
+ vuint32_t pio1_3;
+
+ vuint32_t pio1_4;
+ vuint32_t pio1_5;
+ vuint32_t pio1_6;
+ vuint32_t pio1_7;
+
+ vuint32_t pio1_8; /* 0x80 */
+ vuint32_t pio1_9;
+ vuint32_t pio1_10;
+ vuint32_t pio1_11;
+
+ vuint32_t pio1_12;
+ vuint32_t pio1_13;
+ vuint32_t pio1_14;
+ vuint32_t pio1_15;
+
+ vuint32_t pio1_16; /* 0xa0 */
+ vuint32_t pio1_17;
+ vuint32_t pio1_18;
+ vuint32_t pio1_19;
+
+ vuint32_t pio1_20;
+ vuint32_t pio1_21;
+ vuint32_t pio1_22;
+ vuint32_t pio1_23;
+
+ vuint32_t pio1_24; /* 0xc0 */
+ vuint32_t pio1_25;
+ vuint32_t pio1_26;
+ vuint32_t pio1_27;
+
+ vuint32_t pio1_28;
+ vuint32_t pio1_29;
+ vuint32_t pio1_30;
+ vuint32_t pio1_31;
+};
+
+extern struct lpc_ioconf lpc_ioconf;
+
+#define LPC_IOCONF_FUNC 0
+
+/* PIO0_0 */
+#define LPC_IOCONF_FUNC_RESET 0
+#define LPC_IOCONF_FUNC_PIO0_0 1
+
+/* PIO0_1 */
+#define LPC_IOCONF_FUNC_PIO0_1 0
+#define LPC_IOCONF_FUNC_CLKOUT 1
+#define LPC_IOCONF_FUNC_CT32B0_MAT2 2
+#define LPC_IOCONF_FUNC_USB_FTOGGLE 3
+
+/* PIO0_2 */
+#define LPC_IOCONF_FUNC_PIO0_2 0
+#define LPC_IOCONF_FUNC_SSEL0 1
+#define LPC_IOCONF_FUNC_CT16B0_CAP0 2
+
+/* PIO0_3 */
+#define LPC_IOCONF_FUNC_PIO0_3 0
+#define LPC_IOCONF_FUNC_USB_VBUS 1
+
+/* PIO0_4
+#define LPC_IOCONF_FUNC_PIO0_4 0
+#define LPC_IOCONF_FUNC_I2C_SCL 1
+
+/* PIO0_5 */
+#define LPC_IOCONF_FUNC_PIO0_5 0
+#define LPC_IOCONF_FUNC_I2C_SDA 1
+
+/* PIO0_6 */
+#define LPC_IOCONF_FUNC_PIO0_6 0
+#define LPC_IOCONF_FUNC_USB_CONNECT 1
+#define LPC_IOCONF_FUNC_PIO0_6_SCK0 2
+
+/* PIO0_7 */
+#define LPC_IOCONF_FUNC_PIO0_7 0
+#define LPC_IOCONF_FUNC_CTS 1
+
+/* PIO0_8 */
+#define LPC_IOCONF_FUNC_PIO0_8 0
+#define LPC_IOCONF_FUNC_MISO0 1
+#define LPC_IOCONF_FUNC_CT16B0_MAT0 2
+
+/* PIO0_9 */
+#define LPC_IOCONF_FUNC_PIO0_9 0
+#define LPC_IOCONF_FUNC_MOSI0 1
+#define LPC_IOCONF_FUNC_CT16B0_MAT1 2
+
+/* PIO0_10 */
+#define LPC_IOCONF_FUNC_SWCLK 0
+#define LPC_IOCONF_FUNC_PIO0_10 1
+#define LPC_IOCONF_FUNC_PIO0_10_SCK0 2
+#define LPC_IOCONF_FUNC_CT16B0_MAT2 3
+
+/* PIO0_11 */
+#define LPC_IOCONF_FUNC_TDI 0
+#define LPC_IOCONF_FUNC_PIO0_11 1
+#define LPC_IOCONF_FUNC_AD0 2
+#define LPC_IOCONF_FUNC_CT32B0_MAT3 3
+
+/* PIO0_12 */
+#define LPC_IOCONF_FUNC_TMS 0
+#define LPC_IOCONF_FUNC_PIO0_12 1
+#define LPC_IOCONF_FUNC_AD1 2
+#define LPC_IOCONF_FUNC_CT32B1_CAP0 3
+
+/* PIO0_13 */
+#define LPC_IOCONF_FUNC_TD0 0
+#define LPC_IOCONF_FUNC_PIO0_13 1
+#define LPC_IOCONF_FUNC_AD2 2
+#define LPC_IOCONF_FUNC_CT32B1_MAT0 3
+
+/* PIO0_14 */
+#define LPC_IOCONF_FUNC_TRST 0
+#define LPC_IOCONF_FUNC_PIO0_14 1
+#define LPC_IOCONF_FUNC_AD3 2
+#define LPC_IOCONF_FUNC_PIO0_14_CT32B1_MAT1 3
+
+/* PIO0_15 */
+#define LPC_IOCONF_FUNC_SWDIO 0
+#define LPC_IOCONF_FUNC_PIO0_15 1
+#define LPC_IOCONF_FUNC_AD4 2
+#define LPC_IOCONF_FUNC_CT32B1_MAT2 3
+
+/* PIO0_16 */
+#define LPC_IOCONF_FUNC_PIO0_16 0
+#define LPC_IOCONF_FUNC_AD5 1
+#define LPC_IOCONF_FUNC_CT32B1_MAT3 2
+
+/* PIO0_17 */
+#define LPC_IOCONF_FUNC_PIO0_17 0
+#define LPC_IOCONF_FUNC_RTS 1
+#define LPC_IOCONF_FUNC_CT32B0_CAP0 2
+#define LPC_IOCONF_FUNC_SCLK 3
+
+/* PIO0_18 */
+#define LPC_IOCONF_FUNC_PIO0_18 0
+#define LPC_IOCONF_FUNC_PIO0_18_RXD 1
+#define LPC_IOCONF_FUNC_PIO0_18_CT32B0_MAT0 2
+
+/* PIO0_19 */
+#define LPC_IOCONF_FUNC_PIO0_19 0
+#define LPC_IOCONF_FUNC_PIO0_19_TXD 1
+#define LPC_IOCONF_FUNC_PIO0_19_CT32B0_MAT1 2
+
+/* PIO0_20 */
+#define LPC_IOCONF_FUNC_PIO0_20 0
+#define LPC_IOCONF_FUNC_CT16B1_CAP0 1
+
+/* PIO0_21 */
+#define LPC_IOCONF_FUNC_PIO0_21 0
+#define LPC_IOCONF_FUNC_CT16B1_MAT0 1
+#define LPC_IOCONF_FUNC_PIO0_21_MOSI1 2
+
+/* PIO0_22 */
+#define LPC_IOCONF_FUNC_PIO0_22 0
+#define LPC_IOCONF_FUNC_AD6 1
+#define LPC_IOCONF_FUNC_CT16B1_MAT1 2
+#define LPC_IOCONF_FUNC_PIO0_22_MISO1 3
+
+/* PIO0_23 */
+#define LPC_IOCONF_FUNC_PIO0_23 0
+#define LPC_IOCONF_FUNC_AD7 1
+
+/* PIO1_0 */
+#define LPC_IOCONF_FUNC_PIO1_0 0
+#define LPC_IOCONF_FUNC_CT32B1_MAT1 1
+
+/* PIO1_1 */
+#define LPC_IOCONF_FUNC_PIO1_1 0
+#define LPC_IOCONF_FUNC_CT32B1_MAT1 1
+
+/* PIO1_2 */
+#define LPC_IOCONF_FUNC_PIO1_2 0
+#define LPC_IOCONF_FUNC_PIO1_2_CT32B1_MAT2 1
+
+/* PIO1_3*/
+#define LPC_IOCONF_FUNC_PIO1_3 0
+#define LPC_IOCONF_FUNC_PIO1_3_CT32B1_MAT3 1
+
+/* PIO1_4 */
+#define LPC_IOCONF_FUNC_PIO1_4 0
+#define LPC_IOCONF_FUNC_PIO1_4_CT32B1_CAP0 1
+
+/* PIO1_5 */
+#define LPC_IOCONF_FUNC_PIO1_5 0
+#define LPC_IOCONF_FUNC_CT32B1_CAP1 1
+
+/* PIO1_6 */
+#define LPC_IOCONF_FUNC_PIO1_6 0
+
+/* PIO1_7 */
+#define LPC_IOCONF_FUNC_PIO1_7 0
+
+/* PIO1_8 */
+#define LPC_IOCONF_FUNC_PIO1_8 0
+
+/* PIO1_9 */
+#define LPC_IOCONF_FUNC_PIO1_9 0
+
+/* PIO1_10 */
+#define LPC_IOCONF_FUNC_PIO1_10 0
+
+/* PIO1_11 */
+#define LPC_IOCONF_FUNC_PIO1_11 0
+
+/* PIO1_12 */
+#define LPC_IOCONF_FUNC_PIO1_12 0
+
+/* PIO1_13 */
+#define LPC_IOCONF_FUNC_PIO1_13 0
+#define LPC_IOCONF_FUNC_DTR 1
+#define LPC_IOCONF_FUNC_CT16B0_MAT0 2
+#define LPC_IOCONF_FUNC_PIO1_13_TXD 3
+
+/* PIO1_14 */
+#define LPC_IOCONF_FUNC_PIO1_14 0
+#define LPC_IOCONF_FUNC_DSR 1
+#define LPC_IOCONF_FUNC_CT16B0_MAT1 2
+#define LPC_IOCONF_FUNC_PIO1_13_RXD 3
+
+/* PIO1_15 */
+#define LPC_IOCONF_FUNC_PIO1_15 0
+#define LPC_IOCONF_FUNC_DCD 1
+#define LPC_IOCONF_FUNC_PIO1_15_CT16B0_MAT2 2
+#define LPC_IOCONF_FUNC_PIO1_15_SCK1 3
+
+/* PIO1_16 */
+#define LPC_IOCONF_FUNC_PIO1_16 0
+#define LPC_IOCONF_FUNC_RI 1
+#define LPC_IOCONF_FUNC_CT16B0_CAP0 2
+
+/* PIO1_17 */
+#define LPC_IOCONF_FUNC_PIO1_17 0
+#define LPC_IOCONF_FUNC_CT16B0_CAP1 1
+#define LPC_IOCONF_FUNC_PIO1_17_RXD 2
+
+/* PIO1_18 */
+#define LPC_IOCONF_FUNC_PIO1_18 0
+#define LPC_IOCONF_FUNC_CT16B1_CAP1 1
+#define LPC_IOCONF_FUNC_PIO1_18_TXD 2
+
+/* PIO1_19 */
+#define LPC_IOCONF_FUNC_PIO1_19 0
+#define LPC_IOCONF_FUNC_DTR 1
+#define LPC_IOCONF_FUNC_SSEL1 2
+
+/* PIO1_20 */
+#define LPC_IOCONF_FUNC_PIO1_20 0
+#define LPC_IOCONF_FUNC_DSR 1
+#define LPC_IOCONF_FUNC_PIO1_20_SCK1 2
+
+/* PIO1_21 */
+#define LPC_IOCONF_FUNC_PIO1_21 0
+#define LPC_IOCONF_FUNC_DCD 1
+#define LPC_IOCONF_FUNC_PIO1_21_MISO1 2
+
+/* PIO1_22 */
+#define LPC_IOCONF_FUNC_PIO1_22 0
+#define LPC_IOCONF_FUNC_RI 1
+#define LPC_IOCONF_FUNC_PIO1_22_MOSI1 2
+
+/* PIO1_23 */
+#define LPC_IOCONF_FUNC_PIO1_23 0
+#define LPC_IOCONF_FUNC_PIO1_23_CT16B1_MAT1 1
+#define LPC_IOCONF_FUNC_SSEL1 2
+
+/* PIO1_24 */
+#define LPC_IOCONF_FUNC_PIO1_24 0
+#define LPC_IOCONF_FUNC_PIO1_24_CT32B0_MAT0 1
+
+/* PIO1_25 */
+#define LPC_IOCONF_FUNC_PIO1_25 0
+#define LPC_IOCONF_FUNC_PIO1_25_CT32B0_MAT1 1
+
+/* PIO1_26 */
+#define LPC_IOCONF_FUNC_PIO1_26 0
+#define LPC_IOCONF_FUNC_PIO1_26_CT32B0_MAT2 1
+#define LPC_IOCONF_FUNC_PIO1_26_RXD 2
+
+/* PIO1_27 */
+#define LPC_IOCONF_FUNC_PIO1_27 0
+#define LPC_IOCONF_FUNC_PIO1_27_CT32B0_MAT3 1
+#define LPC_IOCONF_FUNC_PIO1_27_TXD 2
+
+/* PIO1_28 */
+#define LPC_IOCONF_FUNC_PIO1_28 0
+#define LPC_IOCONF_FUNC_PIO1_28_CT32B0_CAP0 1
+#define LPC_IOCONF_FUNC_PIO1_28_SCLK 2
+
+/* PIO1_29 */
+#define LPC_IOCONF_FUNC_PIO1_29 0
+#define LPC_IOCONF_FUNC_PIO1_29_SCK0 1
+#define LPC_IOCONF_FUNC_PIO1_29_CT32B0_CAP1 2
+
+/* PIO1_31 */
+#define LPC_IOCONF_FUNC_PIO1_31 0
+
+#define LPC_IOCONF_FUNC_MASK 0x7
+
+#define ao_lpc_alternate(func) (((func) << LPC_IOCONF_FUNC) | \
+ (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) | \
+ (0 << LPC_IOCONF_HYS) | \
+ (0 << LPC_IOCONF_INV) | \
+ (0 << LPC_IOCONF_OD) | \
+ 0x80)
+
+#define LPC_IOCONF_MODE 3
+#define LPC_IOCONF_MODE_INACTIVE 0
+#define LPC_IOCONF_MODE_PULL_DOWN 1
+#define LPC_IOCONF_MODE_PULL_UP 2
+#define LPC_IOCONF_MODE_REPEATER 3
+#define LPC_IOCONF_MODE_MASK 3
+
+#define LPC_IOCONF_HYS 5
+
+#define LPC_IOCONF_INV 6
+#define LPC_IOCONF_ADMODE 7
+#define LPC_IOCONF_FILTR 8
+#define LPC_IOCONF_OD 10
+
+struct lpc_scb {
+ vuint32_t sysmemremap; /* 0x00 */
+ vuint32_t presetctrl;
+ vuint32_t syspllctrl;
+ vuint32_t syspllstat;
+
+ vuint32_t usbpllctrl; /* 0x10 */
+ vuint32_t usbpllstat;
+ uint32_t r18;
+ uint32_t r1c;
+
+ vuint32_t sysoscctrl; /* 0x20 */
+ vuint32_t wdtoscctrl;
+ uint32_t r28;
+ uint32_t r2c;
+
+ vuint32_t sysrststat; /* 0x30 */
+ uint32_t r34;
+ uint32_t r38;
+ uint32_t r3c;
+
+ vuint32_t syspllclksel; /* 0x40 */
+ vuint32_t syspllclkuen;
+ vuint32_t usbpllclksel;
+ vuint32_t usbpllclkuen;
+
+ uint32_t r50[8];
+
+ vuint32_t mainclksel; /* 0x70 */
+ vuint32_t mainclkuen;
+ vuint32_t sysahbclkdiv;
+ uint32_t r7c;
+
+ vuint32_t sysahbclkctrl; /* 0x80 */
+ uint32_t r84[3];
+
+ uint32_t r90; /* 0x90 */
+ vuint32_t ssp0clkdiv;
+ vuint32_t uartclkdiv;
+ vuint32_t ssp1clkdiv;
+
+ uint32_t ra0[8];
+
+ vuint32_t usbclksel; /* 0xc0 */
+ vuint32_t usbclkuen;
+ vuint32_t usbclkdiv;
+ uint32_t rcc;
+
+ uint32_t rd0[4];
+
+ vuint32_t clkoutsel; /* 0xe0 */
+ vuint32_t clkoutuen;
+ vuint32_t clkoutdiv;
+ uint32_t rec;
+
+ uint32_t rf0[4]; /* 0xf0 */
+
+ vuint32_t pioporcap0; /* 0x100 */
+ vuint32_t pioporcap1;
+ uint32_t r102[2];
+
+ uint32_t r110[4]; /* 0x110 */
+ uint32_t r120[4]; /* 0x120 */
+ uint32_t r130[4]; /* 0x130 */
+ uint32_t r140[4]; /* 0x140 */
+
+ vuint32_t bodctrl; /* 0x150 */
+ vuint32_t systckcal;
+ uint32_t r158[2];
+
+ uint32_t r160[4]; /* 0x160 */
+
+ vuint32_t irqlatency; /* 0x170 */
+ vuint32_t nmisrc;
+ vuint32_t pintsel[8];
+
+ vuint32_t usbclkctrl; /* 0x198 */
+ vuint32_t usbclkst;
+
+ uint32_t r1a0[6*4]; /* 0x1a0 */
+
+ uint32_t r200; /* 0x200 */
+ vuint32_t starterp0;
+ uint32_t r208[2];
+
+ uint32_t r210; /* 0x210 */
+ vuint32_t starterp1;
+ uint32_t r218[2];
+
+ uint32_t r220[4]; /* 0x220 */
+
+ vuint32_t pdsleepcfg; /* 0x230 */
+ vuint32_t pdawakecfg;
+ vuint32_t pdruncfg;
+ uint32_t r23c;
+
+ uint32_t r240[12 * 4]; /* 0x240 */
+
+ uint32_t r300[15 * 4]; /* 0x300 */
+
+ uint32_t r3f0; /* 0x3f0 */
+ vuint32_t device_id;
+};
+
+extern struct lpc_scb lpc_scb;
+
+#define LPC_SCB_PRESETCTRL_SSP0_RST_N 0
+#define LPC_SCB_PRESETCTRL_I2C_RST_N 1
+#define LPC_SCB_PRESETCTRL_SSP1_RST_N 2
+
+#define LPC_SCB_SYSPLLCTRL_MSEL 0
+#define LPC_SCB_SYSPLLCTRL_PSEL 5
+#define LPC_SCB_SYSPLLCTRL_PSEL_1 0
+#define LPC_SCB_SYSPLLCTRL_PSEL_2 1
+#define LPC_SCB_SYSPLLCTRL_PSEL_4 2
+#define LPC_SCB_SYSPLLCTRL_PSEL_8 3
+#define LPC_SCB_SYSPLLCTRL_PSEL_MASK 3
+
+#define LPC_SCB_SYSPLLSTAT_LOCK 0
+
+#define LPC_SCB_USBPLLCTRL_MSEL 0
+#define LPC_SCB_USBPLLCTRL_PSEL 5
+#define LPC_SCB_USBPLLCTRL_PSEL_1 0
+#define LPC_SCB_USBPLLCTRL_PSEL_2 1
+#define LPC_SCB_USBPLLCTRL_PSEL_4 2
+#define LPC_SCB_USBPLLCTRL_PSEL_8 3
+#define LPC_SCB_USBPLLCTRL_PSEL_MASK 3
+
+#define LPC_SCB_USBPLLSTAT_LOCK 0
+
+#define LPC_SCB_SYSOSCCTRL_BYPASS 0
+#define LPC_SCB_SYSOSCCTRL_FREQRANGE 1
+#define LPC_SCB_SYSOSCCTRL_FREQRANGE_1_20 0
+#define LPC_SCB_SYSOSCCTRL_FREQRANGE_15_25 1
+
+#define LPC_SCB_WDTOSCCTRL_DIVSEL 0
+#define LPC_SCB_WDTOSCCTRL_DIVSEL_MASK 0x1f
+#define LPC_SCB_WDTOSCCTRL_FREQSEL 5
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_0_6 1
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_1_05 2
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_1_4 3
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_1_75 4
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_2_1 5
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_2_4 6
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_2_7 7
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_3_0 8
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_3_25 9
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_3_5 0x0a
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_3_75 0x0b
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_4_0 0x0c
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_4_2 0x0d
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_4_4 0x0e
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_4_6 0x0f
+#define LPC_SCB_WDTOSCCTRL_FREQSEL_MASK 0x0f
+
+#define LPC_SCB_SYSRSTSTAT_POR 0
+#define LPC_SCB_SYSRSTSTAT_EXTRST 1
+#define LPC_SCB_SYSRSTSTAT_WDT 2
+#define LPC_SCB_SYSRSTSTAT_BOD 3
+#define LPC_SCB_SYSRSTSTAT_SYSRST 4
+
+#define LPC_SCB_SYSPLLCLKSEL_SEL 0
+#define LPC_SCB_SYSPLLCLKSEL_SEL_IRC 0
+#define LPC_SCB_SYSPLLCLKSEL_SEL_SYSOSC 1
+#define LPC_SCB_SYSPLLCLKSEL_SEL_MASK 3
+
+#define LPC_SCB_SYSPLLCLKUEN_ENA 0
+
+#define LPC_SCB_USBPLLCLKSEL_SEL 0
+#define LPC_SCB_USBPLLCLKSEL_SEL_IRC 0
+#define LPC_SCB_USBPLLCLKSEL_SEL_SYSOSC 1
+#define LPC_SCB_USBPLLCLKSEL_SEL_MASK 3
+
+#define LPC_SCB_USBPLLCLKUEN_ENA 0
+
+#define LPC_SCB_MAINCLKSEL_SEL 0
+#define LPC_SCB_MAINCLKSEL_SEL_IRC 0
+#define LPC_SCB_MAINCLKSEL_SEL_PLL_INPUT 1
+#define LPC_SCB_MAINCLKSEL_SEL_WATCHDOG 2
+#define LPC_SCB_MAINCLKSEL_SEL_PLL_OUTPUT 3
+#define LPC_SCB_MAINCLKSEL_SEL_MASK 3
+
+#define LPC_SCB_MAINCLKUEN_ENA 0
+
+#define LPC_SCB_SYSAHBCLKDIV_DIV 0
+
+#define LPC_SCB_SYSAHBCLKCTRL_SYS 0
+#define LPC_SCB_SYSAHBCLKCTRL_ROM 1
+#define LPC_SCB_SYSAHBCLKCTRL_RAM0 2
+#define LPC_SCB_SYSAHBCLKCTRL_FLASHREG 3
+#define LPC_SCB_SYSAHBCLKCTRL_FLASHARRAY 4
+#define LPC_SCB_SYSAHBCLKCTRL_I2C 5
+#define LPC_SCB_SYSAHBCLKCTRL_GPIO 6
+#define LPC_SCB_SYSAHBCLKCTRL_CT16B0 7
+#define LPC_SCB_SYSAHBCLKCTRL_CT16B1 8
+#define LPC_SCB_SYSAHBCLKCTRL_CT32B0 9
+#define LPC_SCB_SYSAHBCLKCTRL_CT32B1 10
+#define LPC_SCB_SYSAHBCLKCTRL_SSP0 11
+#define LPC_SCB_SYSAHBCLKCTRL_USART 12
+#define LPC_SCB_SYSAHBCLKCTRL_ADC 13
+#define LPC_SCB_SYSAHBCLKCTRL_USB 14
+#define LPC_SCB_SYSAHBCLKCTRL_WWDT 15
+#define LPC_SCB_SYSAHBCLKCTRL_IOCON 16
+#define LPC_SCB_SYSAHBCLKCTRL_SSP1 18
+#define LPC_SCB_SYSAHBCLKCTRL_PINT 19
+#define LPC_SCB_SYSAHBCLKCTRL_GROUP0INT 23
+#define LPC_SCB_SYSAHBCLKCTRL_GROUP1INT 24
+#define LPC_SCB_SYSAHBCLKCTRL_RAM1 26
+#define LPC_SCB_SYSAHBCLKCTRL_USBRAM 27
+
+#define LPC_SCB_SSP0CLKDIV_
+#define LPC_SCB_UARTCLKDIV_
+#define LPC_SCB_SSP1CLKDIV_
+
+#define LPC_SCB_USBCLKSEL_SEL 0
+#define LPC_SCB_USBCLKSEL_SEL_USB_PLL 0
+#define LPC_SCB_USBCLKSEL_SEL_MAIN_CLOCK 1
+
+#define LPC_SCB_USBCLKUEN_ENA 0
+#define LPC_SCB_USBCLKDIV_DIV 0
+
+#define LPC_SCB_CLKOUTSEL_SEL 0
+#define LPC_SCB_CLKOUTSEL_SEL_IRC 0
+#define LPC_SCB_CLKOUTSEL_SEL_SYSOSC 1
+#define LPC_SCB_CLKOUTSEL_SEL_LF 2
+#define LPC_SCB_CLKOUTSEL_SEL_MAIN_CLOCK 3
+
+#define LPC_SCB_CLKOUTUEN_ENA 0
+
+#define LPC_SCB_PDRUNCFG_IRCOUT_PD 0
+#define LPC_SCB_PDRUNCFG_IRC_PD 1
+#define LPC_SCB_PDRUNCFG_FLASH_PD 2
+#define LPC_SCB_PDRUNCFG_BOD_PD 3
+#define LPC_SCB_PDRUNCFG_ADC_PD 4
+#define LPC_SCB_PDRUNCFG_SYSOSC_PD 5
+#define LPC_SCB_PDRUNCFG_WDTOSC_PD 6
+#define LPC_SCB_PDRUNCFG_SYSPLL_PD 7
+#define LPC_SCB_PDRUNCFG_USBPLL_PD 8
+#define LPC_SCB_PDRUNCFG_USBPAD_PD 10
+
+struct lpc_flash {
+ uint32_t r0[4]; /* 0x0 */
+
+ vuint32_t flashcfg; /* 0x10 */
+};
+
+extern struct lpc_flash lpc_flash;
+
+struct lpc_gpio_pin {
+ vuint32_t isel; /* 0x00 */
+ vuint32_t ienr;
+ vuint32_t sienr;
+ vuint32_t cienr;
+
+ vuint32_t ienf; /* 0x10 */
+ vuint32_t sienf;
+ vuint32_t cienf;
+ vuint32_t rise;
+
+ vuint32_t fall; /* 0x20 */
+ vuint32_t ist;
+};
+
+extern struct lpc_gpio_pin lpc_gpio_pin;
+
+struct lpc_gpio_group0 {
+};
+
+extern struct lpc_gpio_group0 lpc_gpio_group0;
+
+struct lpc_gpio_group1 {
+};
+
+extern struct lpc_gpio_group1 lpc_gpio_group1;
+
+struct lpc_gpio {
+ vuint8_t byte[0x40]; /* 0x0000 */
+
+ uint8_t r0030[0x1000 - 0x40];
+
+ vuint32_t word[0x40]; /* 0x1000 */
+
+ uint8_t r1100[0x2000 - 0x1100];
+
+ vuint32_t dir[2]; /* 0x2000 */
+
+ uint8_t r2008[0x2080 - 0x2008];
+
+ vuint32_t mask[2]; /* 0x2080 */
+
+ uint8_t r2088[0x2100 - 0x2088];
+
+ vuint32_t pin[2]; /* 0x2100 */
+
+ uint8_t r2108[0x2200 - 0x2108];
+
+ vuint32_t set[2]; /* 0x2200 */
+
+ uint8_t r2208[0x2280 - 0x2208];
+
+ vuint32_t clr[2]; /* 0x2280 */
+
+ uint8_t r2288[0x2300 - 0x2288];
+
+ vuint32_t not[2]; /* 0x2300 */
+};
+
+extern struct lpc_gpio lpc_gpio;
+
+struct lpc_systick {
+ uint8_t r0000[0x10]; /* 0x0000 */
+
+ vuint32_t csr; /* 0x0010 */
+ vuint32_t rvr;
+ vuint32_t cvr;
+ vuint32_t calib;
+};
+
+extern struct lpc_systick lpc_systick;
+
+#define LPC_SYSTICK_CSR_ENABLE 0
+#define LPC_SYSTICK_CSR_TICKINT 1
+#define LPC_SYSTICK_CSR_CLKSOURCE 2
+#define LPC_SYSTICK_CSR_CLKSOURCE_CPU_OVER_2 0
+#define LPC_SYSTICK_CSR_CLKSOURCE_CPU 1
+#define LPC_SYSTICK_CSR_COUNTFLAG 16
+
+struct lpc_usart {
+ vuint32_t rbr_thr; /* 0x0000 */
+ vuint32_t ier;
+ vuint32_t iir_fcr;
+ vuint32_t lcr;
+
+ vuint32_t mcr; /* 0x0010 */
+ vuint32_t lsr;
+ vuint32_t msr;
+ vuint32_t scr;
+
+ vuint32_t acr; /* 0x0020 */
+ vuint32_t icr;
+ vuint32_t fdr;
+ vuint32_t osr;
+
+ vuint32_t ter; /* 0x0030 */
+ uint32_t r34[3];
+
+ vuint32_t hden; /* 0x0040 */
+ uint32_t r44;
+ vuint32_t scictrl;
+ vuint32_t rs485ctrl;
+
+ vuint32_t rs485addrmatch; /* 0x0050 */
+ vuint32_t rs485dly;
+ vuint32_t syncctrl;
+};
+
+extern struct lpc_usart lpc_usart;
+
+#define LPC_USART_IER_RBRINTEN 0
+#define LPC_USART_IER_THREINTEN 1
+#define LPC_USART_IER_RSLINTEN 2
+#define LPC_USART_IER_MSINTEN 3
+#define LPC_USART_IER_ABEOINTEN 8
+#define LPC_USART_IER_ABTOINTEN 9
+
+#define LPC_USART_IIR_INTSTATUS 0
+#define LPC_USART_IIR_INTID 1
+#define LPC_USART_IIR_INTID_RLS 3
+#define LPC_USART_IIR_INTID_RDA 2
+#define LPC_USART_IIR_INTID_CTI 6
+#define LPC_USART_IIR_INTID_THRE 1
+#define LPC_USART_IIR_INTID_MS 0
+#define LPC_USART_IIR_INTID_MASK 7
+#define LPC_USART_IIR_FIFOEN 6
+#define LPC_USART_IIR_ABEOINT 8
+#define LPC_USART_IIR_ABTOINT 9
+
+#define LPC_USART_FCR_FIFOEN 0
+#define LPC_USART_FCR_RXFIFORES 1
+#define LPC_USART_FCR_TXFIFORES 2
+#define LPC_USART_FCR_RXTL 6
+#define LPC_USART_FCR_RXTL_1 0
+#define LPC_USART_FCR_RXTL_4 1
+#define LPC_USART_FCR_RXTL_8 2
+#define LPC_USART_FCR_RXTL_14 3
+
+#define LPC_USART_LCR_WLS 0
+#define LPC_USART_LCR_WLS_5 0
+#define LPC_USART_LCR_WLS_6 1
+#define LPC_USART_LCR_WLS_7 2
+#define LPC_USART_LCR_WLS_8 3
+#define LPC_USART_LCR_WLS_MASK 3
+#define LPC_USART_LCR_SBS 2
+#define LPC_USART_LCR_SBS_1 0
+#define LPC_USART_LCR_SBS_2 1
+#define LPC_USART_LCR_SBS_MASK 1
+#define LPC_USART_LCR_PE 3
+#define LPC_USART_LCR_PS 4
+#define LPC_USART_LCR_PS_ODD 0
+#define LPC_USART_LCR_PS_EVEN 1
+#define LPC_USART_LCR_PS_ONE 2
+#define LPC_USART_LCR_PS_ZERO 3
+#define LPC_USART_LCR_PS_MASK 3
+#define LPC_USART_LCR_BC 6
+#define LPC_USART_LCR_DLAB 7
+
+#define LPC_USART_MCR_DTRCTRL 0
+#define LPC_USART_MCR_RTSCTRL 1
+#define LPC_USART_MCR_LMS 4
+#define LPC_USART_MCR_RTSEN 6
+#define LPC_USART_MCR_CTSEN 7
+
+#define LPC_USART_LSR_RDR 0
+#define LPC_USART_LSR_OE 1
+#define LPC_USART_LSR_PE 2
+#define LPC_USART_LSR_FE 3
+#define LPC_USART_LSR_BI 4
+#define LPC_USART_LSR_THRE 5
+#define LPC_USART_LSR_TEMT 6
+#define LPC_USART_LSR_RXFE 7
+#define LPC_USART_LSR_TXERR 8
+
+#define LPC_USART_MSR_DCTS 0
+#define LPC_USART_MSR_DDSR 1
+#define LPC_USART_MSR_TERI 2
+#define LPC_USART_MSR_DDCD 3
+#define LPC_USART_MSR_CTS 4
+#define LPC_USART_MSR_DSR 5
+#define LPC_USART_MSR_RI 6
+#define LPC_USART_MSR_DCD 7
+
+#define LPC_USART_ACR_START 0
+#define LPC_USART_ACR_MODE 1
+#define LPC_USART_ACR_AUTORESTART 2
+#define LPC_USART_ACR_ABEOINTCLR 8
+#define LPC_USART_ACR_ABTOINTCLR 9
+
+#define LPC_USART_FDR_DIVADDVAL 0
+#define LPC_USART_FDR_MULVAL 4
+
+#define LPC_USART_OSR_OSFRAC 1
+#define LPC_USART_OSR_OSINT 4
+#define LPC_USART_OSR_FDINT 8
+
+#define LPC_USART_TER_TXEN 7
+
+#define LPC_USART_HDEN_HDEN 0
+
+struct lpc_usb {
+ vuint32_t devcmdstat;
+ vuint32_t info;
+ vuint32_t epliststart;
+ vuint32_t databufstart;
+ vuint32_t lpm;
+ vuint32_t epskip;
+ vuint32_t epinuse;
+ vuint32_t epbufcfg;
+ vuint32_t intstat;
+ vuint32_t inten;
+ vuint32_t intsetstat;
+ vuint32_t introuting;
+ uint32_t r30;
+ vuint32_t eptoggle;
+} lpc_usb;
+
+extern struct lpc_usb lpc_usb;
+
+#define LPC_USB_DEVCMDSTAT_DEV_ADDR 0
+#define LPC_USB_DEVCMDSTAT_DEV_ADDR_MASK 0x7f
+#define LPC_USB_DEVCMDSTAT_DEV_EN 7
+#define LPC_USB_DEVCMDSTAT_SETUP 8
+#define LPC_USB_DEVCMDSTAT_PLL_ON 9
+#define LPC_USB_DEVCMDSTAT_LPM_SUP 11
+#define LPC_USB_DEVCMDSTAT_INTONNAK_AO 12
+#define LPC_USB_DEVCMDSTAT_INTONNAK_AI 13
+#define LPC_USB_DEVCMDSTAT_INTONNAK_CO 14
+#define LPC_USB_DEVCMDSTAT_INTONNAK_CI 15
+#define LPC_USB_DEVCMDSTAT_DCON 16
+#define LPC_USB_DEVCMDSTAT_DSUS 17
+#define LPC_USB_DEVCMDSTAT_LPM_SUS 19
+#define LPC_USB_DEVCMDSTAT_LPM_REWP 20
+#define LPC_USB_DEVCMDSTAT_DCON_C 24
+#define LPC_USB_DEVCMDSTAT_DSUS_C 25
+#define LPC_USB_DEVCMDSTAT_DRES_C 26
+#define LPC_USB_DEVCMDSTAT_VBUSDEBOUNCED 28
+
+#define LPC_USB_INFO_FRAME_NR 0
+#define LPC_USB_INFO_FRAME_NR_MASK 0x3ff
+#define LPC_USB_INFO_ERR_CODE 11
+#define LPC_USB_INFO_ERR_CODE_NO_ERROR 0
+#define LPC_USB_INFO_ERR_CODE_PID_ENCODING_ERROR 1
+#define LPC_USB_INFO_ERR_CODE_PID_UNKNOWN 2
+#define LPC_USB_INFO_ERR_CODE_PACKET_UNEXPECTED 3
+#define LPC_USB_INFO_ERR_CODE_TOKEN_CRC_ERROR 4
+#define LPC_USB_INFO_ERR_CODE_DATA_CRC_ERROR 5
+#define LPC_USB_INFO_ERR_CODE_TIME_OUT 6
+#define LPC_USB_INFO_ERR_CODE_BABBLE 7
+#define LPC_USB_INFO_ERR_CODE_TRUNCATED_EOP 8
+#define LPC_USB_INFO_ERR_CODE_SENT_RECEIVED_NAK 9
+#define LPC_USB_INFO_ERR_CODE_SENT_STALL 0xa
+#define LPC_USB_INFO_ERR_CODE_OVERRUN 0xb
+#define LPC_USB_INFO_ERR_CODE_SENT_EMPTY_PACKET 0xc
+#define LPC_USB_INFO_ERR_CODE_BITSTUFF_ERROR 0xd
+#define LPC_USB_INFO_ERR_CODE_SYNC_ERROR 0xe
+#define LPC_USB_INFO_ERR_CODE_WRONG_DATA_TOGGLE 0xf
+#define LPC_USB_INFO_ERR_CODE_MASK 0xf
+
+#define LPC_USB_EPLISTSTART_EP_LIST 0
+
+#define LPC_USB_DATABUFSTART_DA_BUF 0
+
+#define LPC_USB_LPM_HIRD_HW 0
+#define LPC_USB_LPM_HIRD_HW_MASK 0xf
+#define LPC_USB_LPM_HIRD_SW 4
+#define LPC_USB_LPM_HIRD_SW_MASK 0xf
+#define LPC_USB_LPM_DATA_PENDING 8
+
+#define LPC_USB_EPSKIP_SKIP 0
+
+#define LPC_USB_EPINUSE_BUF(ep) (ep)
+
+#define LPC_USB_EPBUFCFG_BUF_SB(ep) (ep)
+
+#define LPC_USB_INT_EPOUT(ep) ((ep) << 1)
+#define LPC_USB_INT_EPIN(ep) (((ep) << 1) + 1)
+
+#define LPC_USB_INT_FRAME 30
+#define LPC_USB_INT_DEV 31
+
+#define LPC_USB_INTIN_EP_INT_EN(ep) (ep)
+#define LPC_USB_INTIN_FRAME_INT_EN 30
+#define LPC_USB_INTIN_DEV_INT_EN 31
+
+#define LPC_USB_INTSETSTAT_EP_SET_INT(ep) (ep)
+#define LPC_USB_INTSETSTAT_FRAME_SET_INT 30
+#define LPC_USB_INTSETSTAT_DEV_SET_INT 31
+
+#define LPC_USB_INTROUTING_ROUTE_INT(ep) (ep)
+#define LPC_USB_INTROUTING_INT30 30
+#define LPC_USB_INTROUTING_INT31 31
+
+#define LPC_USB_EPTOGGLE_TOGGLE(ep) (ep)
+
+struct lpc_usb_epn {
+ vuint32_t out[2];
+ vuint32_t in[2];
+};
+
+struct lpc_usb_endpoint {
+ vuint32_t ep0_out;
+ vuint32_t setup;
+ vuint32_t ep0_in;
+ vuint32_t reserved_0c;
+ struct lpc_usb_epn epn[4];
+};
+
+/* Assigned in registers.ld to point at the base
+ * of USB ram
+ */
+
+extern uint8_t lpc_usb_sram[];
+
+#define LPC_USB_EP_ACTIVE 31
+#define LPC_USB_EP_DISABLED 30
+#define LPC_USB_EP_STALL 29
+#define LPC_USB_EP_TOGGLE_RESET 28
+#define LPC_USB_EP_RATE_FEEDBACK 27
+#define LPC_USB_EP_ENDPOINT_ISO 26
+#define LPC_USB_EP_NBYTES 16
+#define LPC_USB_EP_NBYTES_MASK 0x3ff
+#define LPC_USB_EP_OFFSET 0
+
+#define LPC_ISR_PIN_INT0_POS 0
+#define LPC_ISR_PIN_INT1_POS 1
+#define LPC_ISR_PIN_INT2_POS 2
+#define LPC_ISR_PIN_INT3_POS 3
+#define LPC_ISR_PIN_INT4_POS 4
+#define LPC_ISR_PIN_INT5_POS 5
+#define LPC_ISR_PIN_INT6_POS 6
+#define LPC_ISR_PIN_INT7_POS 7
+#define LPC_ISR_GINT0_POS 8
+#define LPC_ISR_GINT1_POS 9
+#define LPC_ISR_SSP1_POS 14
+#define LPC_ISR_I2C_POS 15
+#define LPC_ISR_CT16B0_POS 16
+#define LPC_ISR_CT16B1_POS 17
+#define LPC_ISR_CT32B0_POS 18
+#define LPC_ISR_CT32B1_POS 19
+#define LPC_ISR_SSP0_POS 20
+#define LPC_ISR_USART_POS 21
+#define LPC_ISR_USB_IRQ_POS 22
+#define LPC_ISR_USB_FIQ_POS 23
+#define LPC_ISR_ADC_POS 24
+#define LPC_ISR_WWDT_POS 25
+#define LPC_ISR_BOD_POS 26
+#define LPC_ISR_FLASH_POS 27
+#define LPC_ISR_USB_WAKEUP_POS 30
+
+struct lpc_nvic {
+ vuint32_t iser; /* 0x000 0xe000e100 Set Enable Register */
+
+ uint8_t _unused020[0x080 - 0x004];
+
+ vuint32_t icer; /* 0x080 0xe000e180 Clear Enable Register */
+
+ uint8_t _unused0a0[0x100 - 0x084];
+
+ vuint32_t ispr; /* 0x100 0xe000e200 Set Pending Register */
+
+ uint8_t _unused120[0x180 - 0x104];
+
+ vuint32_t icpr; /* 0x180 0xe000e280 Clear Pending Register */
+
+ uint8_t _unused1a0[0x300 - 0x184];
+
+ vuint32_t ipr[8]; /* 0x300 0xe000e400 Priority Register */
+};
+
+extern struct lpc_nvic lpc_nvic;
+
+static inline void
+lpc_nvic_set_enable(int irq) {
+ lpc_nvic.iser |= (1 << irq);
+}
+
+static inline void
+lpc_nvic_clear_enable(int irq) {
+ lpc_nvic.icer |= (1 << irq);
+}
+
+static inline int
+lpc_nvic_enabled(int irq) {
+ return (lpc_nvic.iser >> irq) & 1;
+}
+
+
+static inline void
+lpc_nvic_set_pending(int irq) {
+ lpc_nvic.ispr = (1 << irq);
+}
+
+static inline void
+lpc_nvic_clear_pending(int irq) {
+ lpc_nvic.icpr = (1 << irq);
+}
+
+static inline int
+lpc_nvic_pending(int irq) {
+ return (lpc_nvic.ispr >> irq) & 1;
+}
+
+#define IRQ_PRIO_REG(irq) ((irq) >> 2)
+#define IRQ_PRIO_BIT(irq) (((irq) & 3) << 3)
+#define IRQ_PRIO_MASK(irq) (0xff << IRQ_PRIO_BIT(irq))
+
+static inline void
+lpc_nvic_set_priority(int irq, uint8_t prio) {
+ int n = IRQ_PRIO_REG(irq);
+ uint32_t v;
+
+ v = lpc_nvic.ipr[n];
+ v &= ~IRQ_PRIO_MASK(irq);
+ v |= (prio) << IRQ_PRIO_BIT(irq);
+ lpc_nvic.ipr[n] = v;
+}
+
+static inline uint8_t
+lpc_nvic_get_priority(int irq) {
+ return (lpc_nvic.ipr[IRQ_PRIO_REG(irq)] >> IRQ_PRIO_BIT(irq)) & IRQ_PRIO_MASK(0);
+}
+
+struct arm_scb {
+ vuint32_t cpuid;
+ vuint32_t icsr;
+ uint32_t reserved08;
+ vuint32_t aircr;
+
+ vuint32_t scr;
+ vuint32_t ccr;
+ uint32_t reserved18;
+ vuint32_t shpr2;
+
+ vuint32_t shpr3;
+};
+
+extern struct arm_scb arm_scb;
+
+struct lpc_ssp {
+ vuint32_t cr0; /* 0x00 */
+ vuint32_t cr1;
+ vuint32_t dr;
+ vuint32_t sr;
+
+ vuint32_t cpsr; /* 0x10 */
+ vuint32_t imsc;
+ vuint32_t ris;
+ vuint32_t mis;
+
+ vuint32_t icr; /* 0x20 */
+};
+
+extern struct lpc_ssp lpc_ssp0, lpc_ssp1;
+
+#define LPC_NUM_SPI 2
+
+#define LPC_SSP_FIFOSIZE 8
+
+#define LPC_SSP_CR0_DSS 0
+#define LPC_SSP_CR0_DSS_4 0x3
+#define LPC_SSP_CR0_DSS_5 0x4
+#define LPC_SSP_CR0_DSS_6 0x5
+#define LPC_SSP_CR0_DSS_7 0x6
+#define LPC_SSP_CR0_DSS_8 0x7
+#define LPC_SSP_CR0_DSS_9 0x8
+#define LPC_SSP_CR0_DSS_10 0x9
+#define LPC_SSP_CR0_DSS_11 0xa
+#define LPC_SSP_CR0_DSS_12 0xb
+#define LPC_SSP_CR0_DSS_13 0xc
+#define LPC_SSP_CR0_DSS_14 0xd
+#define LPC_SSP_CR0_DSS_15 0xe
+#define LPC_SSP_CR0_DSS_16 0xf
+#define LPC_SSP_CR0_FRF 4
+#define LPC_SSP_CR0_FRF_SPI 0
+#define LPC_SSP_CR0_FRF_TI 1
+#define LPC_SSP_CR0_FRF_MICROWIRE 2
+#define LPC_SSP_CR0_CPOL 6
+#define LPC_SSP_CR0_CPOL_LOW 0
+#define LPC_SSP_CR0_CPOL_HIGH 1
+#define LPC_SSP_CR0_CPHA 7
+#define LPC_SSP_CR0_CPHA_FIRST 0
+#define LPC_SSP_CR0_CPHA_SECOND 1
+#define LPC_SSP_CR0_SCR 8
+
+#define LPC_SSP_CR1_LBM 0
+#define LPC_SSP_CR1_SSE 1
+#define LPC_SSP_CR1_MS 2
+#define LPC_SSP_CR1_MS_MASTER 0
+#define LPC_SSP_CR1_MS_SLAVE 1
+#define LPC_SSP_CR1_SOD 3
+
+#define LPC_SSP_SR_TFE 0
+#define LPC_SSP_SR_TNF 1
+#define LPC_SSP_SR_RNE 2
+#define LPC_SSP_SR_RFF 3
+#define LPC_SSP_SR_BSY 4
+
+#define LPC_SSP_IMSC_RORIM 0
+#define LPC_SSP_IMSC_RTIM 1
+#define LPC_SSP_IMSC_RXIM 2
+#define LPC_SSP_IMSC_TXIM 3
+
+#define LPC_SSP_RIS_RORRIS 0
+#define LPC_SSP_RIS_RTRIS 1
+#define LPC_SSP_RIS_RXRIS 2
+#define LPC_SSP_RIS_TXRIS 3
+
+#define LPC_SSP_MIS_RORMIS 0
+#define LPC_SSP_MIS_RTMIS 1
+#define LPC_SSP_MIS_RXMIS 2
+#define LPC_SSP_MIS_TXMIS 3
+
+#define LPC_SSP_ICR_RORIC 0
+#define LPC_SSP_ICR_RTIC 1
+
+struct lpc_adc {
+ vuint32_t cr; /* 0x00 */
+ vuint32_t gdr;
+ uint32_t r08;
+ vuint32_t inten;
+
+ vuint32_t dr[8]; /* 0x10 */
+
+ vuint32_t stat; /* 0x30 */
+};
+
+extern struct lpc_adc lpc_adc;
+
+#define LPC_ADC_CR_SEL 0
+#define LPC_ADC_CR_CLKDIV 8
+#define LPC_ADC_CR_BURST 16
+#define LPC_ADC_CR_CLKS 17
+#define LPC_ADC_CR_CLKS_11 0
+#define LPC_ADC_CR_CLKS_10 1
+#define LPC_ADC_CR_CLKS_9 2
+#define LPC_ADC_CR_CLKS_8 3
+#define LPC_ADC_CR_CLKS_7 4
+#define LPC_ADC_CR_CLKS_6 5
+#define LPC_ADC_CR_CLKS_5 6
+#define LPC_ADC_CR_CLKS_4 7
+
+#define LPC_ADC_INTEN_ADINTEN 0
+#define LPC_ADC_INTEN_ADGINTEN 8
+
+#define LPC_ADC_STAT_DONE 0
+#define LPC_ADC_STAT_OVERRUN 8
+#define LPC_ADC_STAT_ADINT 16
+
+struct lpc_ct32b {
+ vuint32_t ir; /* 0x00 */
+ vuint32_t tcr;
+ vuint32_t tc;
+ vuint32_t pr;
+
+ vuint32_t pc; /* 0x10 */
+ vuint32_t mcr;
+ vuint32_t mr[4]; /* 0x18 */
+ vuint32_t ccr; /* 0x28 */
+ vuint32_t cr0;
+
+ vuint32_t cr1_0; /* 0x30 (only for ct32b0 */
+ vuint32_t cr1_1; /* 0x34 (only for ct32b1 */
+ uint32_t r38;
+ vuint32_t emr;
+
+ uint32_t r40[12];
+
+ vuint32_t ctcr; /* 0x70 */
+ vuint32_t pwmc;
+};
+
+extern struct lpc_ct32b lpc_ct32b0, lpc_ct32b1;
+
+#define LPC_CT32B_TCR_CEN 0
+#define LPC_CT32B_TCR_CRST 1
+
+#define LPC_CT32B_MCR_MR0R 1
+
+#define LPC_CT32B_PWMC_PWMEN0 0
+#define LPC_CT32B_PWMC_PWMEN1 1
+#define LPC_CT32B_PWMC_PWMEN2 2
+#define LPC_CT32B_PWMC_PWMEN3 3
+
+#define LPC_CT32B_EMR_EMC0 4
+#define LPC_CT32B_EMR_EMC1 6
+#define LPC_CT32B_EMR_EMC2 8
+#define LPC_CT32B_EMR_EMC3 10
+
+#define LPC_CT32B_EMR_EMC_NOTHING 0
+#define LPC_CT32B_EMR_EMC_CLEAR 1
+#define LPC_CT32B_EMR_EMC_SET 2
+#define LPC_CT32B_EMR_EMC_TOGGLE 3
+
+#endif /* _LPC_H_ */
--- /dev/null
+lpc_usb_sram = 0x20004000;
+lpc_usb_endpoint = 0x20004700;
+lpc_usart = 0x40008000;
+lpc_ct32b0 = 0x40014000;
+lpc_ct32b1 = 0x40018000;
+lpc_adc = 0x4001c000;
+lpc_flash = 0x4003c000;
+lpc_ssp0 = 0x40040000;
+lpc_ioconf = 0x40044000;
+lpc_scb = 0x40048000;
+lpc_gpio_pin = 0x4004c000;
+lpc_ssp1 = 0x40058000;
+lpc_gpio_group0 = 0x4005c000;
+lpc_gpio_group1 = 0x40060000;
+lpc_usb = 0x40080000;
+lpc_gpio = 0x50000000;
+lpc_systick = 0xe000e000;
+lpc_nvic = 0xe000e100;
+arm_scb = 0xe000ed00;
--- /dev/null
+#
+# AltOS build
+#
+#
+
+include ../lpc/Makefile.defs
+
+INC = \
+ ao.h \
+ ao_arch.h \
+ ao_arch_funcs.h \
+ ao_pins.h \
+ ao_product.h \
+ lpc.h
+
+#
+# Common AltOS sources
+#
+ALTOS_SRC = \
+ ao_interrupt.c \
+ ao_romconfig.c \
+ ao_product.c \
+ ao_panic.c \
+ ao_led_lpc.c \
+ ao_task.c \
+ ao_cmd.c \
+ ao_timer_lpc.c \
+ ao_serial_lpc.c \
+ ao_usb_lpc.c \
+ ao_stdio.c
+
+PRODUCT=LpcDemo-v0.0
+PRODUCT_DEF=-DLPC_DEMO
+IDPRODUCT=0x000a
+
+CFLAGS = $(PRODUCT_DEF) $(LPC_CFLAGS) -g -Os
+
+PROG=lpc-demo.elf
+
+SRC=$(ALTOS_SRC) ao_demo.c
+OBJ=$(SRC:.c=.o)
+
+all: $(PROG)
+
+LDFLAGS=-L../lpc -Wl,-Taltos.ld
+
+$(PROG): Makefile $(OBJ)
+ $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) $(SAT_CLIB) -lgcc
+
+ao_product.h: ao-make-product.5c ../Version
+ $(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@
+
+$(OBJ): $(INC)
+
+load: $(PROG)
+ lpc-load $(PROG)
+
+distclean: clean
+
+clean:
+ rm -f *.o $(PROG)
+ rm -f ao_product.h
+
+install:
+
+uninstall:
--- /dev/null
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_usb.h>
+
+int
+main(void)
+{
+ int i;
+ ao_led_init(LEDS_AVAILABLE);
+ ao_led_on(AO_LED_RED);
+ ao_clock_init();
+ ao_timer_init();
+
+ ao_serial_init();
+ ao_usb_init();
+ ao_cmd_init();
+ ao_task_init();
+
+ ao_start_scheduler();
+
+ for (;;) {
+ ao_led_off(AO_LED_RED);
+ for (;;)
+ if (ao_tick_count & 1)
+ break;
+ ao_led_on(AO_LED_RED);
+ for (;;)
+ if (!(ao_tick_count & 1))
+ break;
+ }
+}
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#define HAS_BEEP 0
+#define HAS_LED 1
+
+/* Crystal on the board */
+#define AO_LPC_CLKIN 12000000
+
+/* Main clock frequency. 48MHz for USB so we don't use the USB PLL */
+#define AO_LPC_CLKOUT 48000000
+
+/* System clock frequency */
+#define AO_LPC_SYSCLK 24000000
+
+#define LED_PORT 0
+#define LED_PIN_RED 7
+
+#define AO_LED_RED (1 << LED_PIN_RED)
+
+#define LEDS_AVAILABLE AO_LED_RED
+
+#define HAS_USB 1
+
+#define HAS_USB_CONNECT 1
+#define HAS_USB_VBUS 1
+
+#define PACKET_HAS_SLAVE 0
+
+/* USART */
+
+#define HAS_SERIAL 1
+#define USE_SERIAL_0_STDIN 1
+#define SERIAL_0_18_19 1
+#define SERIAL_0_14_15 0
+#define SERIAL_0_17_18 0
+#define SERIAL_0_26_27 0
+++ /dev/null
-/*
- * Copyright © 2012 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include <ao.h>
-#include <ao_data.h>
-
-volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING];
-volatile __data uint8_t ao_data_head;
-volatile __data uint8_t ao_data_present;
-
-void
-ao_data_get(__xdata struct ao_data *packet)
-{
-#if HAS_FLIGHT
- uint8_t i = ao_data_ring_prev(ao_sample_data);
-#else
- uint8_t i = ao_data_ring_prev(ao_data_head);
-#endif
- memcpy(packet, (void *) &ao_data_ring[i], sizeof (struct ao_data));
-}
#define AO_EXTI_PRIORITY_LOW 16
#define AO_EXTI_PRIORITY_MED 0
#define AO_EXTI_PRIORITY_HIGH 32
+#define AO_EXTI_PIN_NOCONFIGURE 64
void
ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)());
/* configure gpio to interrupt routing */
stm_exticr_set(gpio, pin);
- /* configure pin as input, setting selected pull-up/down mode */
- stm_moder_set(gpio, pin, STM_MODER_INPUT);
- switch (mode & (AO_EXTI_MODE_PULL_UP|AO_EXTI_MODE_PULL_DOWN)) {
- case 0:
- default:
- pupdr = STM_PUPDR_NONE;
- break;
- case AO_EXTI_MODE_PULL_UP:
- pupdr = STM_PUPDR_PULL_UP;
- break;
- case AO_EXTI_MODE_PULL_DOWN:
- pupdr = STM_PUPDR_PULL_DOWN;
- break;
+ if (!(mode & AO_EXTI_PIN_NOCONFIGURE)) {
+ /* configure pin as input, setting selected pull-up/down mode */
+ stm_moder_set(gpio, pin, STM_MODER_INPUT);
+ switch (mode & (AO_EXTI_MODE_PULL_UP|AO_EXTI_MODE_PULL_DOWN)) {
+ case 0:
+ default:
+ pupdr = STM_PUPDR_NONE;
+ break;
+ case AO_EXTI_MODE_PULL_UP:
+ pupdr = STM_PUPDR_PULL_UP;
+ break;
+ case AO_EXTI_MODE_PULL_DOWN:
+ pupdr = STM_PUPDR_PULL_DOWN;
+ break;
+ }
+ stm_pupdr_set(gpio, pin, pupdr);
}
- stm_pupdr_set(gpio, pin, pupdr);
/* Set interrupt mask and rising/falling mode */
stm_exti.imr &= ~mask;
projects / fw / altos / commitdiff