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HAL function to ensure min stepper interrupt interval (#9985)

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This commit is contained in:
Chris Pepper
2018-03-07 23:53:25 +00:00
committed by Scott Lahteine
parent be0e100fed
commit a1a88ebabc
10 changed files with 51 additions and 29 deletions
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5
Marlin/src/HAL/HAL_STM32F7/HAL_timers_STM32F7.cpp
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@ -137,6 +137,11 @@ uint32_t HAL_timer_get_count(const uint8_t timer_num) {
return __HAL_TIM_GetCounter(&timerConfig[timer_num].timerdef);
}
void HAL_timer_restrain(const uint8_t timer_num, const uint16_t interval_µs) {
const hal_timer_t mincmp = HAL_timer_get_count(timer_num) + interval_µs * HAL_TICKS_PER_US;
if (HAL_timer_get_compare(timer_num) < mincmp) HAL_timer_set_compare(timer_num, mincmp);
}
void HAL_timer_isr_prologue(const uint8_t timer_num) {
if (__HAL_TIM_GET_FLAG(&timerConfig[timer_num].timerdef, TIM_FLAG_UPDATE) == SET) {
__HAL_TIM_CLEAR_FLAG(&timerConfig[timer_num].timerdef, TIM_FLAG_UPDATE);