diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/platforms/STM32/rtc_lld.c | 2 | ||||
| -rw-r--r-- | os/hal/platforms/STM32F1xx/stm32_rcc.h | 32 |
2 files changed, 33 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/rtc_lld.c b/os/hal/platforms/STM32/rtc_lld.c index 4f404ab27..62e114e66 100644 --- a/os/hal/platforms/STM32/rtc_lld.c +++ b/os/hal/platforms/STM32/rtc_lld.c @@ -112,7 +112,7 @@ CH_IRQ_HANDLER(RTC_IRQHandler) { * @notapi
*/
void rtc_lld_init(void){
- RCC->APB1ENR |= (RCC_APB1ENR_PWREN | RCC_APB1ENR_BKPEN); /* enable clocking */
+ rccEnableBKP(FALSE); /* enable interface clocking */
PWR->CR |= PWR_CR_DBP; /* enable access */
if (!(RCC->BDCR & (RCC_BDCR_RTCEN | RCC_BDCR_LSEON))){ /* BKP domain was reseted */
diff --git a/os/hal/platforms/STM32F1xx/stm32_rcc.h b/os/hal/platforms/STM32F1xx/stm32_rcc.h index 56fa0905c..7735b2034 100644 --- a/os/hal/platforms/STM32F1xx/stm32_rcc.h +++ b/os/hal/platforms/STM32F1xx/stm32_rcc.h @@ -203,6 +203,38 @@ /** @} */
/**
+ * @brief Bakup domain interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the BKP interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableBKP(lp) rccEnableAPB1(RCC_APB1ENR_BKPEN, lp);
+
+/**
+ * @brief Disables BKP interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableBKP(lp) rccDisableAPB1(RCC_APB1ENR_BKPEN, lp);
+
+/**
+ * @brief Resets the Backup Domain.
+ *
+ * @api
+ */
+#define rccResetBKP(lp) rccResetAPB1(RCC_APB1ENR_BKPRST);
+/** @} */
+
+/**
* @brief CAN peripherals specific RCC operations
* @{
*/
|