From acaad70e3db8f0b6ae45ca8309833db57bdf5ca2 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Thu, 8 May 2014 16:09:11 -0600 Subject: [PATCH 1/1] first cut of usbrelay-v0.1 support .. LEDs wiggle, not switching relay yet --- src/usbrelay-v0.1/ao_pins.h | 73 ++++++++++++++++++++++ src/usbrelay-v0.1/ao_serial_lpc.h | 33 ++++++++++ src/usbrelay-v0.1/ao_usbrelay.c | 78 ++++++++++++++++++++++++ src/usbrelay-v0.1/flash-loader/ao_pins.h | 33 ++++++++++ 4 files changed, 217 insertions(+) create mode 100644 src/usbrelay-v0.1/ao_pins.h create mode 100644 src/usbrelay-v0.1/ao_serial_lpc.h create mode 100644 src/usbrelay-v0.1/ao_usbrelay.c create mode 100644 src/usbrelay-v0.1/flash-loader/ao_pins.h diff --git a/src/usbrelay-v0.1/ao_pins.h b/src/usbrelay-v0.1/ao_pins.h new file mode 100644 index 00000000..ed60486d --- /dev/null +++ b/src/usbrelay-v0.1/ao_pins.h @@ -0,0 +1,73 @@ +/* + * Copyright © 2015 Bdale Garbee + * + * 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 AO_STACK_SIZE 384 + +#define IS_FLASH_LOADER 0 + +/* 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 HAS_USB 1 + +#define HAS_USB_CONNECT 0 +#define HAS_USB_VBUS 0 +#define HAS_USB_PULLUP 1 +#define AO_USB_PULLUP_PORT 0 +#define AO_USB_PULLUP_PIN 6 + +/* USART */ + +#define HAS_SERIAL 1 +#define USE_SERIAL_0_STDIN 0 +#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 0 +#define SPI_SCK0_P0_6 0 +#define HAS_SPI_1 0 +#define SPI_SCK1_P1_15 0 +#define SPI_MISO1_P0_22 0 +#define SPI_MOSI1_P0_21 0 + +/* LED */ + +#define LED_PORT 0 +#define LED_PIN_RED 23 +#define LED_PIN_GREEN 7 +#define AO_LED_RED (1 << LED_PIN_RED) +#define AO_LED_GREEN (1 << LED_PIN_GREEN) + +#define LEDS_AVAILABLE (AO_LED_RED|AO_LED_GREEN) + +/* Kludge the SPI driver to not configure any + * pin for SCK or MOSI + */ +#define HAS_SCK1 0 +#define HAS_MOSI1 0 diff --git a/src/usbrelay-v0.1/ao_serial_lpc.h b/src/usbrelay-v0.1/ao_serial_lpc.h new file mode 100644 index 00000000..a95b6af1 --- /dev/null +++ b/src/usbrelay-v0.1/ao_serial_lpc.h @@ -0,0 +1,33 @@ +#define AO_LPC_USARTCLK 12000000 + +static const struct { + uint16_t dl; + uint8_t divaddval; + uint8_t mulval; +} ao_usart_speeds[] = { + [AO_SERIAL_SPEED_4800] = { /* actual = 4800.00 */ + .dl = 125, + .divaddval = 1, + .mulval = 4 + }, + [AO_SERIAL_SPEED_9600] = { /* actual = 9603.07 */ + .dl = 71, + .divaddval = 1, + .mulval = 10 + }, + [AO_SERIAL_SPEED_19200] = { /* actual = 19181.59 */ + .dl = 23, + .divaddval = 7, + .mulval = 10 + }, + [AO_SERIAL_SPEED_57600] = { /* actual = 57692.31 */ + .dl = 7, + .divaddval = 6, + .mulval = 7 + }, + [AO_SERIAL_SPEED_115200] = { /* actual = 115384.6 */ + .dl = 4, + .divaddval = 5, + .mulval = 8 + }, +}; diff --git a/src/usbrelay-v0.1/ao_usbrelay.c b/src/usbrelay-v0.1/ao_usbrelay.c new file mode 100644 index 00000000..5f4bf963 --- /dev/null +++ b/src/usbrelay-v0.1/ao_usbrelay.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2014 Bdale Garbee + * + * 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 + +uint8_t relay_output; + +// switch relay to selected output, turn correct LED on as a side effect +static void +ao_relay_control(uint8_t output) +{ + switch (output) { + case 1: + ao_led_on(AO_LED_RED); + ao_led_off(AO_LED_GREEN); + break; + default: + ao_led_off(AO_LED_RED); + ao_led_on(AO_LED_GREEN); + } +} + +static void +ao_relay_select(void) __reentrant +{ + uint8_t output; + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + output = ao_cmd_lex_i; + + printf ("Relay control not implemented yet, %u selected\n", output); + ao_relay_control(output); +} + +static __code struct ao_cmds ao_relay_cmds[] = { + { ao_relay_select, "R \0Select relay output" }, + { 0, NULL } +}; + +void +main(void) +{ + ao_clock_init(); + ao_task_init(); + ao_timer_init(); + + ao_usb_init(); + + ao_serial_init(); + + ao_led_init(LEDS_AVAILABLE); + + // initialize to default output + relay_output = 0; + ao_relay_control(relay_output); + + ao_cmd_init(); + + ao_cmd_register(ao_relay_cmds); + + ao_start_scheduler(); +} diff --git a/src/usbrelay-v0.1/flash-loader/ao_pins.h b/src/usbrelay-v0.1/flash-loader/ao_pins.h new file mode 100644 index 00000000..a8046009 --- /dev/null +++ b/src/usbrelay-v0.1/flash-loader/ao_pins.h @@ -0,0 +1,33 @@ +/* + * Copyright © 2013 Keith Packard + * + * 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_PINS_H_ +#define _AO_PINS_H_ + +#include + +#define AO_BOOT_PIN 1 +#define AO_BOOT_APPLICATION_GPIO 0 +#define AO_BOOT_APPLICATION_PIN 19 +#define AO_BOOT_APPLICATION_VALUE 1 +#define AO_BOOT_APPLICATION_MODE AO_EXTI_MODE_PULL_UP + +#define HAS_USB_PULLUP 1 +#define AO_USB_PULLUP_PORT 0 +#define AO_USB_PULLUP_PIN 6 + +#endif /* _AO_PINS_H_ */ -- 2.30.2