cpu/nrf5x: fix erroneous mask with INTENSET reg

steverpalmer · steverpalmer · commit 21643524f9af · 2024-06-09T11:08:37.000+01:00
fixes #20736
diff --git a/cpu/nrf5x_common/periph/gpio.c b/cpu/nrf5x_common/periph/gpio.c
@@ -203,7 +203,7 @@ int gpio_init_int(gpio_t pin, gpio_mode_t mode, gpio_flank_t flank,
 #endif
                              (flank << GPIOTE_CONFIG_POLARITY_Pos));
     /* enable external interrupt */
-    NRF_GPIOTE->INTENSET |= (GPIOTE_INTENSET_IN0_Msk << _pin_index);
+    NRF_GPIOTE->INTENSET = (GPIOTE_INTENSET_IN0_Msk << _pin_index);
 
     return 0;
 }
@@ -213,7 +213,7 @@ void gpio_irq_enable(gpio_t pin)
     for (unsigned int i = 0; i < _gpiote_next_index; i++) {
         if (_exti_pins[i] == pin) {
             NRF_GPIOTE->CONFIG[i] |= GPIOTE_CONFIG_MODE_Event;
-            NRF_GPIOTE->INTENSET |= (GPIOTE_INTENSET_IN0_Msk << i);
+            NRF_GPIOTE->INTENSET = (GPIOTE_INTENSET_IN0_Msk << i);
             break;
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -203,7 +203,7 @@ int gpio_init_int(gpio_t pin, gpio_mode_t mode, gpio_flank_t flank,`
`203`	`203`	`#endif`
`204`	`204`	`(flank << GPIOTE_CONFIG_POLARITY_Pos));`
`205`	`205`	`/* enable external interrupt */`
`206`		`- NRF_GPIOTE->INTENSET \|= (GPIOTE_INTENSET_IN0_Msk << _pin_index);`
	`206`	`+ NRF_GPIOTE->INTENSET = (GPIOTE_INTENSET_IN0_Msk << _pin_index);`
`207`	`207`
`208`	`208`	`return 0;`
`209`	`209`	`}`
`@@ -213,7 +213,7 @@ void gpio_irq_enable(gpio_t pin)`
`213`	`213`	`for (unsigned int i = 0; i < _gpiote_next_index; i++) {`
`214`	`214`	`if (_exti_pins[i] == pin) {`
`215`	`215`	`NRF_GPIOTE->CONFIG[i] \|= GPIOTE_CONFIG_MODE_Event;`
`216`		`- NRF_GPIOTE->INTENSET \|= (GPIOTE_INTENSET_IN0_Msk << i);`
	`216`	`+ NRF_GPIOTE->INTENSET = (GPIOTE_INTENSET_IN0_Msk << i);`
`217`	`217`	`break;`
`218`	`218`	`}`
`219`	`219`	`}`