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Added timer flag reset function.

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This commit is contained in:
Piotr Esden-Tempski 2011-01-31 16:15:09 -08:00
parent dd0018ffdf
commit e85c55a9a7
3 changed files with 8 additions and 1 deletions
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3
examples/stm32/stm32-h103/pwm_6step/pwm_6step.c
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@ -253,7 +253,8 @@ void tim1_trg_com_isr(void)
{
static int step = 0;
TIM1_SR &= ~TIM_SR_COMIF;
/* Clear the COM trigger interrupt flag. */
timer_clear_flag(TIM1, TIM_SR_COMIF);
/* A simplified and inefficient implementation of PWM On
* scheme. Look at the implementation in Open-BLDC on

1
include/libopencm3/stm32/timer.h
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@ -854,6 +854,7 @@ enum tim_oc_mode {
/* --- TIM functions ------------------------------------------------------- */
void timer_enable_irq(u32 timer_peripheral, u32 irq);
void timer_disable_irq(u32 timer_peripheral, u32 irq);
void timer_clear_flag(u32 timer_peripheral, u32 flag);
void timer_set_mode(u32 timer_peripheral, u8 clock_div,
u8 alignment, u8 direction);
void timer_set_clock_division(u32 timer_peripheral, u32 clock_div);

5
lib/stm32/timer.c
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@ -37,6 +37,11 @@ void timer_disable_irq(u32 timer_peripheral, u32 irq)
TIM_DIER(timer_peripheral) &= ~irq;
}
void timer_clear_flag(u32 timer_peripheral, u32 flag)
{
TIM_SR(timer_peripheral) &= ~flag;
}
void timer_set_mode(u32 timer_peripheral, u8 clock_div,
u8 alignment, u8 direction)
{