[BSP/STM32] add support of RTC in g491 (#8377)

bsp/stm32/libraries/HAL_Drivers/drivers/drv_rtc.c

@@ -13,6 +13,7 @@
 
 #include "board.h"
 #include <sys/time.h>
+#include <rtdevice.h>
 
 #ifdef BSP_USING_ONCHIP_RTC
 
@@ -193,7 +194,7 @@ static rt_err_t rt_rtc_config(void)
         RTC_Handler.Init.OutPut = RTC_OUTPUT_DISABLE;
         RTC_Handler.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
         RTC_Handler.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
-#elif defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L0) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32WL) || defined(SOC_SERIES_STM32H7) || defined (SOC_SERIES_STM32WB)
+#elif defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L0) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32G4) || defined(SOC_SERIES_STM32WL) || defined(SOC_SERIES_STM32H7) || defined (SOC_SERIES_STM32WB)
 
         /* set the frequency division */
 #ifdef BSP_RTC_USING_LSI

bsp/stm32/stm32g491-st-nucleo/board/CubeMX_Config/Core/Inc/stm32g4xx_hal_conf.h

@@ -56,7 +56,7 @@
 /*#define HAL_PCD_MODULE_ENABLED   */
 /*#define HAL_QSPI_MODULE_ENABLED   */
 /*#define HAL_RNG_MODULE_ENABLED   */
-/*#define HAL_RTC_MODULE_ENABLED   */
+#define HAL_RTC_MODULE_ENABLED
 /*#define HAL_SAI_MODULE_ENABLED   */
 /*#define HAL_SMARTCARD_MODULE_ENABLED   */
 /*#define HAL_SMBUS_MODULE_ENABLED   */

bsp/stm32/stm32g491-st-nucleo/board/CubeMX_Config/Core/Src/main.c

@@ -44,6 +44,8 @@ IWDG_HandleTypeDef hiwdg;
 
 UART_HandleTypeDef hlpuart1;
 
+RTC_HandleTypeDef hrtc;
+
 TIM_HandleTypeDef htim7;
 TIM_HandleTypeDef htim15;
 TIM_HandleTypeDef htim16;
@@ -62,6 +64,7 @@ static void MX_TIM15_Init(void);
 static void MX_TIM16_Init(void);
 static void MX_TIM17_Init(void);
 static void MX_TIM7_Init(void);
+static void MX_RTC_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -105,6 +108,7 @@ int main(void)
   MX_TIM16_Init();
   MX_TIM17_Init();
   MX_TIM7_Init();
+  MX_RTC_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -133,10 +137,17 @@ void SystemClock_Config(void)
   */
   HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
 
+  /** Configure LSE Drive Capability
+  */
+  HAL_PWR_EnableBkUpAccess();
+  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
+
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI
+                              |RCC_OSCILLATORTYPE_LSE;
+  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
   RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
   RCC_OscInitStruct.LSIState = RCC_LSI_ON;
@@ -243,6 +254,43 @@ static void MX_LPUART1_UART_Init(void)
 
 }
 
+/**
+  * @brief RTC Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_RTC_Init(void)
+{
+
+  /* USER CODE BEGIN RTC_Init 0 */
+
+  /* USER CODE END RTC_Init 0 */
+
+  /* USER CODE BEGIN RTC_Init 1 */
+
+  /* USER CODE END RTC_Init 1 */
+
+  /** Initialize RTC Only
+  */
+  hrtc.Instance = RTC;
+  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
+  hrtc.Init.AsynchPrediv = 127;
+  hrtc.Init.SynchPrediv = 255;
+  hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
+  hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
+  hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+  hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+  hrtc.Init.OutPutPullUp = RTC_OUTPUT_PULLUP_NONE;
+  if (HAL_RTC_Init(&hrtc) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN RTC_Init 2 */
+
+  /* USER CODE END RTC_Init 2 */
+
+}
+
 /**
   * @brief TIM7 Initialization Function
   * @param None

bsp/stm32/stm32g491-st-nucleo/board/CubeMX_Config/Core/Src/stm32g4xx_hal_msp.c

@@ -157,6 +157,63 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
 
 }
 
+/**
+* @brief RTC MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hrtc: RTC handle pointer
+* @retval None
+*/
+void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
+{
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+  if(hrtc->Instance==RTC)
+  {
+  /* USER CODE BEGIN RTC_MspInit 0 */
+
+  /* USER CODE END RTC_MspInit 0 */
+
+  /** Initializes the peripherals clocks
+  */
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
+    PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* Peripheral clock enable */
+    __HAL_RCC_RTC_ENABLE();
+    __HAL_RCC_RTCAPB_CLK_ENABLE();
+  /* USER CODE BEGIN RTC_MspInit 1 */
+
+  /* USER CODE END RTC_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief RTC MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hrtc: RTC handle pointer
+* @retval None
+*/
+void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
+{
+  if(hrtc->Instance==RTC)
+  {
+  /* USER CODE BEGIN RTC_MspDeInit 0 */
+
+  /* USER CODE END RTC_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_RTC_DISABLE();
+    __HAL_RCC_RTCAPB_CLK_DISABLE();
+  /* USER CODE BEGIN RTC_MspDeInit 1 */
+
+  /* USER CODE END RTC_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief TIM_Base MSP Initialization
 * This function configures the hardware resources used in this example

bsp/stm32/stm32g491-st-nucleo/board/CubeMX_Config/CubeMX_Config.ioc

@@ -13,24 +13,26 @@ Mcu.IP0=IWDG
 Mcu.IP1=LPUART1
 Mcu.IP2=NVIC
 Mcu.IP3=RCC
-Mcu.IP4=SYS
-Mcu.IP5=TIM7
-Mcu.IP6=TIM15
-Mcu.IP7=TIM16
-Mcu.IP8=TIM17
-Mcu.IPNb=9
+Mcu.IP4=RTC
+Mcu.IP5=SYS
+Mcu.IP6=TIM7
+Mcu.IP7=TIM15
+Mcu.IP8=TIM16
+Mcu.IP9=TIM17
+Mcu.IPNb=10
 Mcu.Name=STM32G491R(C-E)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC13
 Mcu.Pin1=PC14-OSC32_IN
 Mcu.Pin10=PB3
 Mcu.Pin11=VP_IWDG_VS_IWDG
-Mcu.Pin12=VP_SYS_VS_Systick
-Mcu.Pin13=VP_SYS_VS_DBSignals
-Mcu.Pin14=VP_TIM7_VS_ClockSourceINT
-Mcu.Pin15=VP_TIM15_VS_ClockSourceINT
-Mcu.Pin16=VP_TIM16_VS_ClockSourceINT
-Mcu.Pin17=VP_TIM17_VS_ClockSourceINT
+Mcu.Pin12=VP_RTC_VS_RTC_Activate
+Mcu.Pin13=VP_SYS_VS_Systick
+Mcu.Pin14=VP_SYS_VS_DBSignals
+Mcu.Pin15=VP_TIM7_VS_ClockSourceINT
+Mcu.Pin16=VP_TIM15_VS_ClockSourceINT
+Mcu.Pin17=VP_TIM16_VS_ClockSourceINT
+Mcu.Pin18=VP_TIM17_VS_ClockSourceINT
 Mcu.Pin2=PC15-OSC32_OUT
 Mcu.Pin3=PF0-OSC_IN
 Mcu.Pin4=PF1-OSC_OUT
@@ -39,7 +41,7 @@ Mcu.Pin6=PA3
 Mcu.Pin7=PA5
 Mcu.Pin8=PA13
 Mcu.Pin9=PA14
-Mcu.PinsNb=18
+Mcu.PinsNb=19
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32G491RETx
@@ -132,7 +134,7 @@ ProjectManager.ToolChainLocation=
 ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_LPUART1_UART_Init-LPUART1-false-HAL-true,4-MX_IWDG_Init-IWDG-false-HAL-true,5-MX_TIM15_Init-TIM15-false-HAL-true,6-MX_TIM16_Init-TIM16-false-HAL-true,7-MX_TIM17_Init-TIM17-false-HAL-true
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_LPUART1_UART_Init-LPUART1-false-HAL-true,4-MX_IWDG_Init-IWDG-false-HAL-true,5-MX_TIM15_Init-TIM15-false-HAL-true,6-MX_TIM16_Init-TIM16-false-HAL-true,7-MX_TIM17_Init-TIM17-false-HAL-true,8-MX_TIM7_Init-TIM7-false-HAL-true,9-MX_RTC_Init-RTC-false-HAL-true
 RCC.ADC12Freq_Value=170000000
 RCC.ADC345Freq_Value=170000000
 RCC.AHBFreq_Value=170000000
@@ -187,6 +189,8 @@ SH.GPXTI13.0=GPIO_EXTI13
 SH.GPXTI13.ConfNb=1
 VP_IWDG_VS_IWDG.Mode=IWDG_Activate
 VP_IWDG_VS_IWDG.Signal=IWDG_VS_IWDG
+VP_RTC_VS_RTC_Activate.Mode=RTC_Enabled
+VP_RTC_VS_RTC_Activate.Signal=RTC_VS_RTC_Activate
 VP_SYS_VS_DBSignals.Mode=DisableDeadBatterySignals
 VP_SYS_VS_DBSignals.Signal=SYS_VS_DBSignals
 VP_SYS_VS_Systick.Mode=SysTick