X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fcc1111%2Fao_arch.h;h=937e6d0c615745695d7efa64cc18a8ca0b36ef5a;hp=585fffe52b5ddf0ccae93761e3f5ea84287ce902;hb=382b3ef62a09e580834b07faf9ed2d00e5ce1621;hpb=a588092a7d76dab92e4ab11e0fdb457d2ddc9025 diff --git a/src/cc1111/ao_arch.h b/src/cc1111/ao_arch.h index 585fffe5..937e6d0c 100644 --- a/src/cc1111/ao_arch.h +++ b/src/cc1111/ao_arch.h @@ -3,7 +3,8 @@ * * 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 @@ -24,9 +25,314 @@ #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_ */