Enable RTC for all platforms and add cli date command (#252)

* F2: enable RTC. Cli: add date command.

applications/cli/cli_commands.c

@@ -1,5 +1,6 @@
 #include "cli_commands.h"
 #include <api-hal.h>
+#include <rtc.h>
 
 void cli_command_help(string_t args, void* context) {
     (void)args;
@@ -45,10 +46,31 @@ void cli_command_uuid(string_t args, void* context) {
     cli_print(string_get_cstr(byte_str));
 }
 
+void cli_command_date(string_t args, void* context) {
+    RTC_DateTypeDef date;
+    RTC_TimeTypeDef time;
+
+    // TODO add get_datetime to core, not use HAL here
+    // READ ORDER MATTERS! Time then date.
+    HAL_RTC_GetTime(&hrtc, &time, RTC_FORMAT_BIN);
+    HAL_RTC_GetDate(&hrtc, &date, RTC_FORMAT_BIN);
+
+    string_t datetime_str;
+    string_init(datetime_str);
+
+    string_cat_printf(datetime_str, "%.2d:%.2d:%.2d ", time.Hours, time.Minutes, time.Seconds);
+    string_cat_printf(datetime_str, "%.2d-%.2d-%.2d", date.Month, date.Date, 2000 + date.Year);
+
+    cli_print(string_get_cstr(datetime_str));
+
+    string_clear(datetime_str);
+}
+
 void cli_commands_init(Cli* cli) {
     cli_add_command(cli, "help", cli_command_help, cli);
     cli_add_command(cli, "?", cli_command_help, cli);
     cli_add_command(cli, "version", cli_command_version, cli);
     cli_add_command(cli, "!", cli_command_version, cli);
     cli_add_command(cli, "uid", cli_command_uuid, cli);
+    cli_add_command(cli, "date", cli_command_date, cli);
 }

firmware/targets/f2/Inc/rtc.h

@@ -0,0 +1,58 @@
+/**
+  ******************************************************************************
+  * File Name          : RTC.h
+  * Description        : This file provides code for the configuration
+  *                      of the RTC instances.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __rtc_H
+#define __rtc_H
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern RTC_HandleTypeDef hrtc;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_RTC_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*__ rtc_H */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

firmware/targets/f2/Inc/stm32l4xx_hal_conf.h

@@ -67,7 +67,7 @@
 /*#define HAL_QSPI_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_SD_MODULE_ENABLED   */
 /*#define HAL_SMBUS_MODULE_ENABLED   */

firmware/targets/f2/Src/main.c

@@ -22,6 +22,7 @@
 #include "cmsis_os.h"
 #include "adc.h"
 #include "comp.h"
+#include "rtc.h"
 #include "spi.h"
 #include "tim.h"
 #include "usart.h"
@@ -101,6 +102,7 @@ int main(void)
   MX_USART1_UART_Init();
   MX_TIM8_Init();
   MX_TIM2_Init();
+  MX_RTC_Init();
   /* USER CODE BEGIN 2 */
   MX_FATFS_Init();
   delay_us_init_DWT();
@@ -135,11 +137,16 @@ void SystemClock_Config(void)
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
 
+  /** 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_HSE;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE;
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
   RCC_OscInitStruct.PLL.PLLM = 2;
@@ -164,10 +171,11 @@ void SystemClock_Config(void)
   {
     Error_Handler();
   }
-  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USB
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_USART1
-                              |RCC_PERIPHCLK_ADC;
+                              |RCC_PERIPHCLK_USB|RCC_PERIPHCLK_ADC;
   PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
   PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_SYSCLK;
+  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
   PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLLSAI1;
   PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_HSE;
   PeriphClkInit.PLLSAI1.PLLSAI1M = 2;

firmware/targets/f2/Src/rtc.c

@@ -0,0 +1,113 @@
+/**
+  ******************************************************************************
+  * File Name          : RTC.c
+  * Description        : This file provides code for the configuration
+  *                      of the RTC instances.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "rtc.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+RTC_HandleTypeDef hrtc;
+
+/* RTC init function */
+void MX_RTC_Init(void)
+{
+  RTC_TimeTypeDef sTime = {0};
+  RTC_DateTypeDef sDate = {0};
+
+  /** 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;
+  if (HAL_RTC_Init(&hrtc) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /* USER CODE BEGIN Check_RTC_BKUP */
+
+  /* USER CODE END Check_RTC_BKUP */
+
+  /** Initialize RTC and set the Time and Date
+  */
+  sTime.Hours = 0x0;
+  sTime.Minutes = 0x0;
+  sTime.Seconds = 0x0;
+  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+  sTime.StoreOperation = RTC_STOREOPERATION_RESET;
+  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sDate.WeekDay = RTC_WEEKDAY_MONDAY;
+  sDate.Month = RTC_MONTH_NOVEMBER;
+  sDate.Date = 0x20;
+  sDate.Year = 0x20;
+
+  if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+}
+
+void HAL_RTC_MspInit(RTC_HandleTypeDef* rtcHandle)
+{
+
+  if(rtcHandle->Instance==RTC)
+  {
+  /* USER CODE BEGIN RTC_MspInit 0 */
+
+  /* USER CODE END RTC_MspInit 0 */
+    /* RTC clock enable */
+    __HAL_RCC_RTC_ENABLE();
+  /* USER CODE BEGIN RTC_MspInit 1 */
+
+  /* USER CODE END RTC_MspInit 1 */
+  }
+}
+
+void HAL_RTC_MspDeInit(RTC_HandleTypeDef* rtcHandle)
+{
+
+  if(rtcHandle->Instance==RTC)
+  {
+  /* USER CODE BEGIN RTC_MspDeInit 0 */
+
+  /* USER CODE END RTC_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_RTC_DISABLE();
+  /* USER CODE BEGIN RTC_MspDeInit 1 */
+
+  /* USER CODE END RTC_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

firmware/targets/f2/Src/stm32l4xx_it.c

@@ -239,8 +239,9 @@ void EXTI9_5_IRQHandler(void)
 void TIM1_TRG_COM_TIM17_IRQHandler(void)
 {
   /* USER CODE BEGIN TIM1_TRG_COM_TIM17_IRQn 0 */
-  HAL_TIM_IRQHandler(&htim17);
+
   /* USER CODE END TIM1_TRG_COM_TIM17_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim17);
   /* USER CODE BEGIN TIM1_TRG_COM_TIM17_IRQn 1 */
 
   /* USER CODE END TIM1_TRG_COM_TIM17_IRQn 1 */
@@ -281,8 +282,9 @@ void TIM8_CC_IRQHandler(void)
 void OTG_FS_IRQHandler(void)
 {
   /* USER CODE BEGIN OTG_FS_IRQn 0 */
-  HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS);
+
   /* USER CODE END OTG_FS_IRQn 0 */
+  HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS);
   /* USER CODE BEGIN OTG_FS_IRQn 1 */
 
   /* USER CODE END OTG_FS_IRQn 1 */

firmware/targets/f2/target.mk

@@ -39,6 +39,7 @@ C_SOURCES		+= \
 	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c \
 	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c \
 	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c \
+	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc.c \
 	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c \
 	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c \
 	$(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c \