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Merge pull request #5042 from DipSwitch/pr/fix_stm32_exti_clear_pending

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cpu/stm32/gpio_exti: EXTI->PR is of type RW_w1 so don't RMW the pending status register
This commit is contained in:
Martine Lenders 2016-03-11 22:52:33 +01:00
commit 83c5424551
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); uint32_t pending_isr = (EXTI->PR & EXTI->IMR);
for (int i = 0; i < EXTI_NUMOF; i++) { for (int i = 0; i < EXTI_NUMOF; i++) {
if (pending_isr & (1 << 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); 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); uint32_t pending_isr = (EXTI->PR & EXTI->IMR);
for (unsigned i = 0; i < GPIO_ISR_CHAN_NUMOF; i++) { for (unsigned i = 0; i < GPIO_ISR_CHAN_NUMOF; i++) {
if (pending_isr & (1 << 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); 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); uint32_t pending_isr = (EXTI->PR & EXTI->IMR);
for (int i = 0; i < GPIO_ISR_CHAN_NUMOF; i++) { for (int i = 0; i < GPIO_ISR_CHAN_NUMOF; i++) {
if (pending_isr & (1 << 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); exti_chan[i].cb(exti_chan[i].arg);
} }
} }