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sys_time_usleep for stm32, please test

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Felix Ruess
2012-03-06 17:07:08 +01:00
parent c92779ace0
commit b5c97ffbaa
1 changed files with 3 additions and 2 deletions
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sw/airborne/arch/stm32/mcu_periph/sys_time_arch.h
+3 -2
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@@ -55,9 +55,10 @@ extern void sys_tick_irq_handler(void);
/** Busy wait, in microseconds */ /** Busy wait, in microseconds */
/* for now empty shell */
static inline void sys_time_usleep(uint32_t us) { static inline void sys_time_usleep(uint32_t us) {
uint32_t start = GET_CUR_TIME_USEC();
uint32_t ticks = CPU_TICKS_OF_USEC(us);
while ((uint32_t)(GET_CUR_TIME_USEC()-start) < ticks);
} }
#endif /* SYS_TIME_ARCH_H */ #endif /* SYS_TIME_ARCH_H */