X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Flpc%2Fao_arch_funcs.h;h=a5c78c33eb8d16c6cc10c49f3ec24adac72bf20f;hp=0891903ea5f00cb2adae5dbf57506fcdcb81a5c5;hb=873f511173c637016b5e173813bd03c1725797bb;hpb=488a527267decece48e6682e0e0c7fc29cbed329 diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h index 0891903e..a5c78c33 100644 --- a/src/lpc/ao_arch_funcs.h +++ b/src/lpc/ao_arch_funcs.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 @@ -18,21 +19,32 @@ #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<stack + AO_STACK_SIZE); + uint32_t *sp = (uint32_t *) (void *) (task->stack + AO_STACK_SIZE); uint32_t a = (uint32_t) start; int i; @@ -161,16 +174,17 @@ static inline void ao_arch_restore_stack(void) { #endif /* HAS_TASK */ -#define ao_arch_wait_interrupt() do { \ - asm(".global ao_idle_loc\n\twfi\nao_idle_loc:"); \ - ao_arch_release_interrupts(); \ - ao_arch_block_interrupts(); \ +#define ao_arch_wait_interrupt() do { \ + asm("\twfi\n"); \ + ao_arch_release_interrupts(); \ + asm(".global ao_idle_loc\n\nao_idle_loc:"); \ + ao_arch_block_interrupts(); \ } while (0) -#define ao_arch_critical(b) do { \ - ao_arch_block_interrupts(); \ - do { b } while (0); \ - ao_arch_release_interrupts(); \ +#define ao_arch_critical(b) do { \ + uint32_t __mask = ao_arch_irqsave(); \ + do { b } while (0); \ + ao_arch_irqrestore(__mask); \ } while (0) /* @@ -190,8 +204,8 @@ static inline void ao_arch_restore_stack(void) { ao_spi_put(bus); \ } while (0) -#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<dr = byte; + while ((lpc_ssp->sr & (1 << LPC_SSP_SR_RNE)) == 0); + (void) lpc_ssp->dr; +} + #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); \ + ao_enable_output(port, __bit__, 1); \ } \ } while (0) +void +ao_debug_out(char c); + #define HAS_ARCH_START_SCHEDULER 1 static inline void ao_arch_start_scheduler(void) { @@ -238,4 +275,6 @@ static inline void ao_arch_start_scheduler(void) { asm("isb"); } +void start(void); + #endif /* _AO_ARCH_FUNCS_H_ */