diff options
| -rw-r--r-- | os/hal/platforms/STM32F4xx/hal_lld.c | 6 | ||||
| -rw-r--r-- | os/hal/platforms/STM32F4xx/hal_lld.h | 30 |
2 files changed, 33 insertions, 3 deletions
diff --git a/os/hal/platforms/STM32F4xx/hal_lld.c b/os/hal/platforms/STM32F4xx/hal_lld.c index 6922ff3df..b2862caa4 100644 --- a/os/hal/platforms/STM32F4xx/hal_lld.c +++ b/os/hal/platforms/STM32F4xx/hal_lld.c @@ -73,6 +73,12 @@ void hal_lld_init(void) { SysTick_CTRL_ENABLE_Msk |
SysTick_CTRL_TICKINT_Msk;
+#if STM32_PVD_ENABLE
+ /* Power voltage detector initialization */
+ PWR->CR |= PWR_CR_PVDE;
+ PWR->CR |= STM32_PLS & STM32_PLS_MASK;
+#endif /* STM32_PVD_ENABLE */
+
#if defined(STM32_DMA_REQUIRED)
dmaInit();
#endif
diff --git a/os/hal/platforms/STM32F4xx/hal_lld.h b/os/hal/platforms/STM32F4xx/hal_lld.h index 1aeed4755..a43268377 100644 --- a/os/hal/platforms/STM32F4xx/hal_lld.h +++ b/os/hal/platforms/STM32F4xx/hal_lld.h @@ -133,9 +133,19 @@ * @name PWR_CR register bits definitions
* @{
*/
-#define STM32_VOS_MASK (1 << 14) /**< Core voltage mask. */
-#define STM32_VOS_LOW (0 << 14) /**< Core voltage set to low. */
-#define STM32_VOS_HIGH (1 << 14) /**< Core voltage set to high. */
+#define STM32_VOS_MASK (1 << 14) /**< Core voltage mask. */
+#define STM32_VOS_LOW (0 << 14) /**< Core voltage set to low. */
+#define STM32_VOS_HIGH (1 << 14) /**< Core voltage set to high. */
+
+#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 0. */
/** @} */
/**
@@ -539,6 +549,20 @@ #endif
/**
+ * @brief Enables or disables the power voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Enables or disables the power voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
* @brief Enables or disables the HSI clock source.
*/
#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
|