*
* 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.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#include "cc1111.h"
+/* Convert a __data pointer into an __xdata pointer */
+#define DATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xff00))
+
+/* Code and xdata use the same address space */
+#define CODE_TO_XDATA(a) ((__xdata void *) ((uint16_t) (a)))
+
+/* Pdata lives at the start of xdata */
+#define PDATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xf000))
+
+/* Stack runs from above the allocated __data space to 0xfe, which avoids
+ * writing to 0xff as that triggers the stack overflow indicator
+ */
+#define AO_STACK_START 0x90
+#define AO_STACK_END 0xfe
+#define AO_STACK_SIZE (AO_STACK_END - AO_STACK_START + 1)
+
+#define AO_PORT_TYPE uint8_t
+
#define ao_arch_reboot() do { \
WDCTL = WDCTL_EN | WDCTL_MODE_WATCHDOG | WDCTL_INT_64; \
ao_delay(AO_SEC_TO_TICKS(2)); \
} while (0)
+#define ao_arch_nop() __asm nop __endasm
+#define ao_arch_interrupt(n) __interrupt n
+
+#define ao_arch_naked_declare __naked
+#define ao_arch_naked_define __naked
+
+/* CC1111-specific drivers */
+
+/*
+ * ao_romconfig.c
+ */
+
+#define AO_ROMCONFIG_VERSION 2
+
+#define AO_ROMCONFIG_SYMBOL(a) __code __at(a)
+
+extern AO_ROMCONFIG_SYMBOL(0x00a0) uint16_t ao_romconfig_version;
+extern AO_ROMCONFIG_SYMBOL(0x00a2) uint16_t ao_romconfig_check;
+extern AO_ROMCONFIG_SYMBOL(0x00a4) uint16_t ao_serial_number;
+extern AO_ROMCONFIG_SYMBOL(0x00a6) uint32_t ao_radio_cal;
+
+#ifndef HAS_USB
+#error Please define HAS_USB
+#endif
+
+#define ao_arch_task_members\
+ uint8_t stack_count; /* amount of saved stack */
+
+/* Initialize stack */
+#define ao_arch_init_stack(task, start) { \
+ uint8_t __xdata *stack = task->stack; \
+ uint8_t t; \
+ *stack++ = ((uint16_t) start); /* 0 */ \
+ *stack++ = ((uint16_t) start) >> 8; /* 1 */ \
+ \
+ /* and the stuff saved by ao_switch */ \
+ *stack++ = 0; /* 2 acc */ \
+ *stack++ = 0x80; /* 3 IE */ \
+ \
+ /* 4 DPL \
+ * 5 DPH \
+ * 6 B \
+ * 7 R2 \
+ * 8 R3 \
+ * 9 R4 \
+ * 10 R5 \
+ * 11 R6 \
+ * 12 R7 \
+ * 13 R0 \
+ * 14 R1 \
+ * 15 PSW \
+ * 16 BP \
+ */ \
+ for (t = 0; t < 13; t++) \
+ *stack++ = 0; \
+ task->stack_count = 17; \
+ }
+
+
+
+/* Save current context */
+
+#define ao_arch_save_regs() \
+ __asm \
+ /* Push ACC first, as when restoring the context it must be restored \
+ * last (it is used to set the IE register). */ \
+ push ACC \
+ push _IEN0 \
+ push DPL \
+ push DPH \
+ push b \
+ push ar2 \
+ push ar3 \
+ push ar4 \
+ push ar5 \
+ push ar6 \
+ push ar7 \
+ push ar0 \
+ push ar1 \
+ push PSW \
+ __endasm; \
+ PSW = 0; \
+ __asm \
+ push _bp \
+ __endasm
+
+#define ao_arch_save_stack() { \
+ uint8_t stack_len; \
+ __data uint8_t *stack_ptr; \
+ __xdata uint8_t *save_ptr; \
+ /* Save the current stack */ \
+ stack_len = SP - (AO_STACK_START - 1); \
+ ao_cur_task->stack_count = stack_len; \
+ stack_ptr = (uint8_t __data *) AO_STACK_START; \
+ save_ptr = (uint8_t __xdata *) ao_cur_task->stack; \
+ do \
+ *save_ptr++ = *stack_ptr++; \
+ while (--stack_len); \
+ }
+
+/* Empty the stack; might as well let interrupts have the whole thing */
+#define ao_arch_isr_stack() (SP = AO_STACK_START - 1)
+
+#define ao_arch_block_interrupts() __asm clr _EA __endasm
+#define ao_arch_release_interrupts() __asm setb _EA __endasm
+
+/* Idle the CPU, waking when an interrupt occurs */
+#define ao_arch_wait_interrupt() do { \
+ ao_arch_release_interrupts(); \
+ (PCON = PCON_IDLE); \
+ ao_arch_block_interrupts(); \
+ } while (0)
+
+#define ao_arch_restore_stack() { \
+ uint8_t stack_len; \
+ __data uint8_t *stack_ptr; \
+ __xdata uint8_t *save_ptr; \
+ \
+ /* Restore the old stack */ \
+ stack_len = ao_cur_task->stack_count; \
+ SP = AO_STACK_START - 1 + stack_len; \
+ \
+ stack_ptr = (uint8_t __data *) AO_STACK_START; \
+ save_ptr = (uint8_t __xdata *) ao_cur_task->stack; \
+ do \
+ *stack_ptr++ = *save_ptr++; \
+ while (--stack_len); \
+ \
+ __asm \
+ pop _bp \
+ pop PSW \
+ pop ar1 \
+ pop ar0 \
+ pop ar7 \
+ pop ar6 \
+ pop ar5 \
+ pop ar4 \
+ pop ar3 \
+ pop ar2 \
+ pop b \
+ pop DPH \
+ pop DPL \
+ /* The next byte of the stack is the IE register. Only the global \
+ enable bit forms part of the task context. Pop off the IE then set \
+ the global enable bit to match that of the stored IE register. */ \
+ pop ACC \
+ JB ACC.7,0098$ \
+ CLR _EA \
+ LJMP 0099$ \
+ 0098$: \
+ SETB _EA \
+ 0099$: \
+ /* Finally restore ACC, which was the first register saved. */ \
+ pop ACC \
+ ret \
+ __endasm; \
+}
+
+#define ao_arch_critical(b) __critical { b }
+
+#define AO_DATA_RING 32
+
+/* ao_button.c */
+#ifdef HAS_BUTTON
+void
+ao_p0_isr(void) ao_arch_interrupt(13);
+
+void
+ao_p1_isr(void) ao_arch_interrupt(15);
+
+void
+ao_p2_isr(void);
+
+#define HAS_P2_ISR 1
+
+#endif
+
+void
+ao_button_init(void);
+
+char
+ao_button_get(uint16_t timeout) __critical;
+
+void
+ao_button_clear(void) __critical;
+
+/* console I/O funcs */
+#define ao_getchar getchar
+#define ao_putchar putchar
+
+/* ao_string.c */
+
+void
+_ao_xmemcpy(__xdata void *dst, __xdata void *src, uint16_t count);
+
+#define ao_xmemcpy(d,s,c) _ao_xmemcpy(d,s,c)
+
+void
+_ao_xmemset(__xdata void *dst, uint8_t value, uint16_t count);
+
+#define ao_xmemset(d,v,c) _ao_xmemset(d,v,c)
+
+int8_t
+_ao_xmemcmp(__xdata void *a, __xdata void *b, uint16_t count);
+
+#define ao_xmemcmp(d,s,c) _ao_xmemcmp((d), (s), (c))
+
+struct ao_serial_speed {
+ uint8_t baud;
+ uint8_t gcr;
+};
+
+extern const __code struct ao_serial_speed ao_serial_speeds[];
+
+/*
+ * ao_dma.c
+ */
+
+/* Allocate a DMA channel. the 'done' parameter will be set when the
+ * dma is finished and will be used to wakeup any waiters
+ */
+
+uint8_t
+ao_dma_alloc(__xdata uint8_t * done);
+
+/* Setup a DMA channel */
+void
+ao_dma_set_transfer(uint8_t id,
+ void __xdata *srcaddr,
+ void __xdata *dstaddr,
+ uint16_t count,
+ uint8_t cfg0,
+ uint8_t cfg1);
+
+/* Start a DMA channel */
+void
+ao_dma_start(uint8_t id);
+
+/* Manually trigger a DMA channel */
+void
+ao_dma_trigger(uint8_t id);
+
+/* Abort a running DMA transfer */
+void
+ao_dma_abort(uint8_t id);
+
+/* DMA interrupt routine */
+void
+ao_dma_isr(void) ao_arch_interrupt(8);
+
+/* ao_adc.c */
+
+#if HAS_ADC
+/* The A/D interrupt handler */
+void
+ao_adc_isr(void) ao_arch_interrupt(1);
+#endif
+
+#if HAS_USB
+/* USB interrupt handler */
+void
+ao_usb_isr(void) ao_arch_interrupt(6);
+#endif
+
+#if HAS_SERIAL_0
+void
+ao_serial0_rx_isr(void) ao_arch_interrupt(2);
+
+void
+ao_serial0_tx_isr(void) ao_arch_interrupt(7);
+#endif
+
+#if HAS_SERIAL_1
+void
+ao_serial1_rx_isr(void) ao_arch_interrupt(3);
+
+void
+ao_serial1_tx_isr(void) ao_arch_interrupt(14);
+#endif
+
+#if HAS_EXTI_0
+void
+ao_p0_isr(void) __interrupt(13);
+#endif
+
+#define AO_ADC_MAX 32767
+
#endif /* _AO_ARCH_H_ */
projects / fw / altos / blobdiff