summaryrefslogtreecommitdiff
path: root/ports/stm32/extint.c
diff options
context:
space:
mode:
Diffstat (limited to 'ports/stm32/extint.c')
-rw-r--r--ports/stm32/extint.c46
1 files changed, 37 insertions, 9 deletions
diff --git a/ports/stm32/extint.c b/ports/stm32/extint.c
index b1e5c8a8f..9b658dca9 100644
--- a/ports/stm32/extint.c
+++ b/ports/stm32/extint.c
@@ -92,7 +92,7 @@
#define EXTI_SWIER_BB(line) (*(__IO uint32_t *)(PERIPH_BB_BASE + ((EXTI_OFFSET + offsetof(EXTI_TypeDef, SWIER)) * 32) + ((line) * 4)))
#endif
-#if defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32L4) || defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
+#if defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32L4) || defined(STM32N6) || defined(STM32U5) || defined(STM32WB) || defined(STM32WL)
// The L4 MCU supports 40 Events/IRQs lines of the type configurable and direct.
// Here we only support configurable line types. Details, see page 330 of RM0351, Rev 1.
// The USB_FS_WAKUP event is a direct type and there is no support for it.
@@ -170,7 +170,7 @@ static const uint8_t nvic_irq_channel[EXTI_NUM_VECTORS] = {
ADC1_COMP_IRQn,
#endif
- #elif defined(STM32N6) || defined(STM32H5)
+ #elif defined(STM32N6) || defined(STM32H5) || defined(STM32U5)
EXTI0_IRQn,
EXTI1_IRQn,
@@ -314,7 +314,7 @@ void EXTI15_10_IRQHandler(void) {
IRQ_EXIT(EXTI15_10_IRQn);
}
-#elif defined(STM32H5) || defined(STM32N6)
+#elif defined(STM32H5) || defined(STM32N6) || defined(STM32U5)
DEFINE_EXTI_IRQ_HANDLER(0)
DEFINE_EXTI_IRQ_HANDLER(1)
@@ -447,7 +447,7 @@ void extint_register_pin(const machine_pin_obj_t *pin, uint32_t mode, bool hard_
#if !defined(STM32H5) && !defined(STM32WB) && !defined(STM32WL)
__HAL_RCC_SYSCFG_CLK_ENABLE();
#endif
- #if defined(STM32G0) || defined(STM32H5) || defined(STM32N6)
+ #if defined(STM32G0) || defined(STM32H5) || defined(STM32N6) || defined(STM32U5)
EXTI->EXTICR[line >> 2] =
(EXTI->EXTICR[line >> 2] & ~(0xff << (8 * (line & 0x03))))
| ((uint32_t)(GPIO_GET_INDEX(pin->gpio)) << (8 * (line & 0x03)));
@@ -490,7 +490,7 @@ void extint_set(const machine_pin_obj_t *pin, uint32_t mode) {
#if !defined(STM32H5) && !defined(STM32N6) && !defined(STM32WB) && !defined(STM32WL)
__HAL_RCC_SYSCFG_CLK_ENABLE();
#endif
- #if defined(STM32G0) || defined(STM32H5) || defined(STM32N6)
+ #if defined(STM32G0) || defined(STM32H5) || defined(STM32N6) || defined(STM32U5)
EXTI->EXTICR[line >> 2] =
(EXTI->EXTICR[line >> 2] & ~(0xff << (8 * (line & 0x03))))
| ((uint32_t)(GPIO_GET_INDEX(pin->gpio)) << (8 * (line & 0x03)));
@@ -533,7 +533,7 @@ void extint_enable(uint line) {
if (pyb_extint_mode[line] == EXTI_Mode_Interrupt) {
#if defined(STM32H7)
EXTI_D1->IMR1 |= (1 << line);
- #elif defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
+ #elif defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32N6) || defined(STM32U5) || defined(STM32WB) || defined(STM32WL)
EXTI->IMR1 |= (1 << line);
#else
EXTI->IMR |= (1 << line);
@@ -541,7 +541,7 @@ void extint_enable(uint line) {
} else {
#if defined(STM32H7)
EXTI_D1->EMR1 |= (1 << line);
- #elif defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
+ #elif defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32N6) || defined(STM32U5) || defined(STM32WB) || defined(STM32WL)
EXTI->EMR1 |= (1 << line);
#else
EXTI->EMR |= (1 << line);
@@ -567,7 +567,7 @@ void extint_disable(uint line) {
#if defined(STM32H7)
EXTI_D1->IMR1 &= ~(1 << line);
EXTI_D1->EMR1 &= ~(1 << line);
- #elif defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
+ #elif defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32N6) || defined(STM32U5) || defined(STM32WB) || defined(STM32WL)
EXTI->IMR1 &= ~(1 << line);
EXTI->EMR1 &= ~(1 << line);
#else
@@ -589,7 +589,7 @@ void extint_swint(uint line) {
return;
}
// we need 0 to 1 transition to trigger the interrupt
- #if defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32H7) || defined(STM32L4) || defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
+ #if defined(STM32G0) || defined(STM32G4) || defined(STM32H5) || defined(STM32H7) || defined(STM32L4) || defined(STM32N6) || defined(STM32U5) || defined(STM32WB) || defined(STM32WL)
EXTI->SWIER1 &= ~(1 << line);
EXTI->SWIER1 |= (1 << line);
#else
@@ -708,6 +708,12 @@ static mp_obj_t extint_regs(void) {
mp_printf(print, "EXTI_PR1 %08x\n", (unsigned int)EXTI_D1->PR1);
mp_printf(print, "EXTI_PR2 %08x\n", (unsigned int)EXTI_D1->PR2);
mp_printf(print, "EXTI_PR3 %08x\n", (unsigned int)EXTI_D1->PR3);
+ #elif defined(STM32U5)
+ mp_printf(print, "EXTI_IMR1 %08x\n", (unsigned int)EXTI->IMR1);
+ mp_printf(print, "EXTI_EMR1 %08x\n", (unsigned int)EXTI->EMR1);
+ mp_printf(print, "EXTI_RTSR1 %08x\n", (unsigned int)EXTI->RTSR1);
+ mp_printf(print, "EXTI_FTSR1 %08x\n", (unsigned int)EXTI->FTSR1);
+ mp_printf(print, "EXTI_SWIER1 %08x\n", (unsigned int)EXTI->SWIER1);
#else
mp_printf(print, "EXTI_IMR %08x\n", (unsigned int)EXTI->IMR);
mp_printf(print, "EXTI_EMR %08x\n", (unsigned int)EXTI->EMR);
@@ -803,10 +809,32 @@ void extint_init0(void) {
}
}
+static inline bool is_rtc_interrupt(uint32_t line) {
+ return false
+ #if defined(STM32U5)
+ || line == EXTI_RTC_WAKEUP
+ || line == EXTI_RTC_ALARM
+ || line == EXTI_RTC_TIMESTAMP
+ #endif
+ ;
+}
+
// Interrupt handler
void Handle_EXTI_Irq(uint32_t line) {
+ bool is_exti_irq;
+
if (__HAL_GPIO_EXTI_GET_FLAG(1 << line)) {
__HAL_GPIO_EXTI_CLEAR_FLAG(1 << line);
+ is_exti_irq = true;
+ } else if (is_rtc_interrupt(line)) {
+ // For STM32U5, __HAL_GPIO_EXTI_GET_FLAG cannot detect RTC interrupt.
+ // To handle RTC interrupt, check whether line is rtc interrupt.
+ is_exti_irq = true;
+ } else {
+ is_exti_irq = false;
+ }
+
+ if (is_exti_irq) {
if (line < EXTI_NUM_VECTORS) {
mp_obj_t *cb = &MP_STATE_PORT(pyb_extint_callback)[line];
#if MICROPY_PY_NETWORK_CYW43 && defined(pyb_pin_WL_HOST_WAKE)
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 20:11:57 +0000