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792eae91c6
sprintf that use strformat, so there's no need to pull in the newlib implementation. Build system improvements.
35 lines
680 B
C
35 lines
680 B
C
#include "rtimer-arch-interrupt.h"
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#include "rtimer-arch.h"
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#include <interrupt-utils.h>
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#include <AT91SAM7S64.h>
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#define DEBUG 1
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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/* Here we have a proper stack frame and can use local variables */
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static void rtimer_int_safe() __attribute((noinline));
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static void
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rtimer_int_safe()
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{
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unsigned int status;
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status = RTIMER_ARCH_TIMER_BASE->TC_SR;
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if (status & AT91C_TC_CPAS) {
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rtimer_run_next();
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}
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*AT91C_AIC_EOICR = 0;
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}
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void NACKEDFUNC
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rtimer_interrupt (void) {
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ISR_STORE();
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ISR_ENABLE_NEST();
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rtimer_int_safe();
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ISR_DISABLE_NEST();
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ISR_RESTORE();
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}
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