#include #include "misc.h" #include "systick.h" bool sys_tick_has_passed(uint32_t start_tick, uint32_t delay_ms) { return HAL_GetTick() - start_tick >= delay_ms; } // waits until at least delay_ms milliseconds have passed from the sampling of // startTick. Handles overflow properly. Assumes stc was taken from // HAL_GetTick() some time before calling this function. void sys_tick_wait_at_least(uint32_t start_tick, uint32_t delay_ms) { while (!sys_tick_has_passed(start_tick, delay_ms)) { __WFI(); // enter sleep mode, waiting for interrupt } }