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trying to fix sys_time_usleep for stm32, still doesn't work, maybe is optimized out?

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Felix Ruess
2012-03-06 23:29:02 +01:00
parent f05af383db
commit d1d2676c7c
1 changed files with 1 additions and 1 deletions
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sw/airborne/arch/stm32/mcu_periph/sys_time_arch.h
+1 -1
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@@ -57,7 +57,7 @@ extern void sys_tick_irq_handler(void);
/** Busy wait, in microseconds */ /** Busy wait, in microseconds */
// FIXME: directly use the SysTick->VAL here // FIXME: directly use the SysTick->VAL here
static inline void sys_time_usleep(uint32_t us) { static inline void sys_time_usleep(uint32_t us) {
uint32_t end = GET_CUR_TIME_USEC() + CPU_TICKS_OF_USEC(us); uint32_t end = GET_CUR_TIME_USEC() + us;
while ((uint32_t)GET_CUR_TIME_USEC() < end); while ((uint32_t)GET_CUR_TIME_USEC() < end);
} }