diff options
| author | iabdalkader <i.abdalkader@gmail.com> | 2018-02-24 01:11:25 +0200 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2018-03-09 15:12:29 +1100 |
| commit | 711f817c2a6e9ac0321c93b44042d32482e7fdf3 (patch) | |
| tree | 1356760c543c1167dc85d7d59fde1b54a9f43b2a | |
| parent | 0e51e4d13986e7dc65eb6186253cc1812d966647 (diff) | |
stm32/rtc: Add RTC support for H7 MCUs.
| -rw-r--r-- | ports/stm32/rtc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/ports/stm32/rtc.c b/ports/stm32/rtc.c index c0bc0f5b6..7e67b7c62 100644 --- a/ports/stm32/rtc.c +++ b/ports/stm32/rtc.c @@ -223,12 +223,16 @@ STATIC HAL_StatusTypeDef PYB_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruc /*------------------------------ LSE Configuration -------------------------*/ if ((RCC_OscInitStruct->OscillatorType & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) { + #if !defined(STM32H7) // Enable Power Clock __HAL_RCC_PWR_CLK_ENABLE(); + #endif + + // Enable access to the backup domain HAL_PWR_EnableBkUpAccess(); uint32_t tickstart = HAL_GetTick(); - #if defined(MCU_SERIES_F7) || defined(MCU_SERIES_L4) + #if defined(MCU_SERIES_F7) || defined(MCU_SERIES_L4) || defined(STM32H7) //__HAL_RCC_PWR_CLK_ENABLE(); // Enable write access to Backup domain //PWR->CR1 |= PWR_CR1_DBP; @@ -298,7 +302,7 @@ STATIC HAL_StatusTypeDef PYB_RTC_Init(RTC_HandleTypeDef *hrtc) { // Exit Initialization mode hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT; - #if defined(MCU_SERIES_L4) + #if defined(MCU_SERIES_L4) || defined(STM32H7) hrtc->Instance->OR &= (uint32_t)~RTC_OR_ALARMOUTTYPE; hrtc->Instance->OR |= (uint32_t)(hrtc->Init.OutPutType); #elif defined(MCU_SERIES_F7) @@ -634,6 +638,9 @@ mp_obj_t pyb_rtc_wakeup(size_t n_args, const mp_obj_t *args) { #if defined(MCU_SERIES_L4) EXTI->IMR1 |= 1 << 22; EXTI->RTSR1 |= 1 << 22; + #elif defined(STM32H7) + EXTI_D1->IMR1 |= 1 << 22; + EXTI->RTSR1 |= 1 << 22; #else EXTI->IMR |= 1 << 22; EXTI->RTSR |= 1 << 22; @@ -643,6 +650,8 @@ mp_obj_t pyb_rtc_wakeup(size_t n_args, const mp_obj_t *args) { RTC->ISR &= ~(1 << 10); #if defined(MCU_SERIES_L4) EXTI->PR1 = 1 << 22; + #elif defined(STM32H7) + EXTI_D1->PR1 = 1 << 22; #else EXTI->PR = 1 << 22; #endif @@ -661,6 +670,8 @@ mp_obj_t pyb_rtc_wakeup(size_t n_args, const mp_obj_t *args) { // disable external interrupts on line 22 #if defined(MCU_SERIES_L4) EXTI->IMR1 &= ~(1 << 22); + #elif defined(STM32H7) + EXTI_D1->IMR1 |= 1 << 22; #else EXTI->IMR &= ~(1 << 22); #endif |