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cpu/stm32/gpio_exti: EXTI->PR is of type RW_w1 so don't RMW the pending status flags

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This commit is contained in:
DipSwitch 2016-03-11 15:46:41 +01:00
parent 78136ff25f
commit d72cdcaad2
3 changed files with 3 additions and 3 deletions
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2
cpu/stm32f3/periph/gpio.c
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@ -207,7 +207,7 @@ void isr_exti(void)
uint32_t pending_isr = (EXTI->PR & EXTI->IMR);
for (int i = 0; i < EXTI_NUMOF; i++) {
if (pending_isr & (1 << i)) {
EXTI->PR |= (1 << i); /* clear by writing a 1 */
EXTI->PR = (1 << i); /* clear by writing a 1 */
exti_chan[i].cb(exti_chan[i].arg);
}
}

2
cpu/stm32f4/periph/gpio.c
View File

@ -204,7 +204,7 @@ void isr_exti(void)
uint32_t pending_isr = (EXTI->PR & EXTI->IMR);
for (unsigned i = 0; i < GPIO_ISR_CHAN_NUMOF; i++) {
if (pending_isr & (1 << i)) {
EXTI->PR |= (1 << i); /* clear by writing a 1 */
EXTI->PR = (1 << i); /* clear by writing a 1 */
exti_chan[i].cb(exti_chan[i].arg);
}
}

2
cpu/stm32l1/periph/gpio.c
View File

@ -208,7 +208,7 @@ void isr_exti(void)
uint32_t pending_isr = (EXTI->PR & EXTI->IMR);
for (int i = 0; i < GPIO_ISR_CHAN_NUMOF; i++) {
if (pending_isr & (1 << i)) {
EXTI->PR |= (1 << i); /* clear by writing a 1 */
EXTI->PR = (1 << i); /* clear by writing a 1 */
exti_chan[i].cb(exti_chan[i].arg);
}
}