Merge pull request #1919 from XXXXzzzz000/add_rtc_driver

[bsp][stm32f10x-HAL] add rtc driver

bsp/stm32f10x-HAL/Kconfig

@@ -193,6 +193,11 @@ if BSP_USING_WDT
         default n
 endif
 
+menuconfig BSP_USING_RTC
+    bool "Using rtc"
+    select RT_USING_RTC
+    default n
+
 if RT_USING_DEVICE_IPC && (STM32F103RC || STM32F103RD || STM32F103RE || STM32F103RF || STM32F103RG ||STM32F103VC || STM32F103VD || STM32F103VE || STM32F103VF || STM32F103VG ||STM32F103ZC || STM32F103ZD || STM32F103ZE || STM32F103ZF || STM32F103ZG)
     config RT_USING_SDCARD
         bool "Using sdcard with sdio"

bsp/stm32f10x-HAL/drivers/SConscript

@@ -25,6 +25,9 @@ if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']):
 
 if GetDepend(['RT_USING_WDT']):
     src += ['drv_iwg.c']
+
+if GetDepend(['RT_USING_RTC']):
+    src += ['drv_rtc.c']
     
 if rtconfig.CROSS_TOOL == 'gcc':
     src += ['gcc_startup.s']

bsp/stm32f10x-HAL/drivers/drv_rtc.c

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2017-10-25     ZYH               first implementation
+ * 2018-10-23     XXXXzzzz000       first implementation,referance:stm32f4xx-HAL/drv_rtc.c
+ */
+#include <rthw.h>
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+
+#include <string.h>
+#include <time.h>
+RTC_HandleTypeDef hrtc;
+/* RTC init function */
+void MX_RTC_Init(void)
+{
+    RTC_TimeTypeDef sTime;
+    RTC_DateTypeDef sDate;
+    /* Initialize RTC Only */
+    hrtc.Instance = RTC;
+    hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
+    hrtc.Init.OutPut = RTC_OUTPUTSOURCE_NONE;
+    RT_ASSERT(HAL_RTC_Init(&hrtc) == HAL_OK);
+    /* Initialize RTC and set the Time and Date */
+    if (HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR1) != 0x32F1)
+    {
+        sTime.Hours = 0x0;
+        sTime.Minutes = 0x0;
+        sTime.Seconds = 0x0;
+        RT_ASSERT(HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN) == HAL_OK);
+        sDate.WeekDay = RTC_WEEKDAY_MONDAY;
+        sDate.Month = RTC_MONTH_JANUARY;
+        sDate.Date = 1;
+        sDate.Year = 0;
+        RT_ASSERT(HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BIN) == HAL_OK);
+    }
+    HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR1, 0x32F1);
+}
+
+void HAL_RTC_MspInit(RTC_HandleTypeDef *rtcHandle)
+{
+    RCC_OscInitTypeDef RCC_OscInitStruct;
+    RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
+    if (rtcHandle->Instance == RTC)
+    {
+
+        __HAL_RCC_PWR_CLK_ENABLE();
+        HAL_PWR_EnableBkUpAccess();
+
+        __HAL_RCC_BKP_CLK_ENABLE();
+
+        RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
+        RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+        RCC_OscInitStruct.LSEState = RCC_LSE_ON;
+        HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+        PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
+        PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
+        HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
+
+        __HAL_RCC_RTC_ENABLE();
+    }
+}
+
+void HAL_RTC_MspDeInit(RTC_HandleTypeDef *rtcHandle)
+{
+    if (rtcHandle->Instance == RTC)
+    {
+        /* 禁用RTC时钟 */
+        __HAL_RCC_RTC_DISABLE();
+
+        /* 禁用PWR时钟和读取备份域 */
+        HAL_PWR_DisableBkUpAccess();
+        __HAL_RCC_PWR_CLK_DISABLE();
+
+        /* 禁用备份时钟：备份寄存器 */
+        __HAL_RCC_BKP_CLK_DISABLE();
+    }
+}
+
+static rt_err_t stm32_rtc_control(struct rt_device *dev,
+                                  int cmd,
+                                  void *args)
+{
+    struct tm *tm_now;
+    struct tm now;
+    RTC_TimeTypeDef sTime;
+    RTC_DateTypeDef sDate;
+
+    switch (cmd)
+    {
+    case RT_DEVICE_CTRL_RTC_GET_TIME:
+        HAL_RTC_GetTime(&hrtc, &sTime, RTC_FORMAT_BIN);
+        HAL_RTC_GetDate(&hrtc, &sDate, RTC_FORMAT_BIN);
+        now.tm_hour = sTime.Hours;
+        now.tm_min = sTime.Minutes;
+        now.tm_sec = sTime.Seconds;
+        now.tm_year = sDate.Year + 100;
+        now.tm_mon = sDate.Month - 1;
+        now.tm_mday = sDate.Date;
+        *((time_t *)args) = mktime(&now);
+        break;
+    case RT_DEVICE_CTRL_RTC_SET_TIME:
+        rt_enter_critical();
+        /* converts calendar time time into local time. */
+        tm_now = localtime((const time_t *)args);
+        /* copy the statically located variable */
+        memcpy(&now, tm_now, sizeof(struct tm));
+        /* unlock scheduler. */
+        rt_exit_critical();
+        sTime.Hours = now.tm_hour;
+        sTime.Minutes = now.tm_min;
+        sTime.Seconds = now.tm_sec;
+        sDate.Year = now.tm_year - 100;
+        sDate.Month = now.tm_mon + 1;
+        sDate.Date = now.tm_mday;
+        HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN);
+        HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BIN);
+        break;
+    }
+    return RT_EOK;
+}
+
+static rt_err_t stm32_rtc_init(struct rt_device *dev)
+{
+    return RT_EOK;
+}
+
+static rt_err_t stm32_rtc_open(struct rt_device *dev, rt_uint16_t oflag)
+{
+    return RT_EOK;
+}
+
+static rt_err_t stm32_rtc_close(struct rt_device *dev)
+{
+    return RT_EOK;
+}
+
+static rt_size_t stm32_rtc_read(struct rt_device *dev,
+                                rt_off_t pos,
+                                void *buffer,
+                                rt_size_t size)
+{
+    stm32_rtc_control(dev, RT_DEVICE_CTRL_RTC_GET_TIME, buffer);
+    return size;
+}
+
+static rt_size_t stm32_rtc_write(struct rt_device *dev,
+                                 rt_off_t pos,
+                                 const void *buffer,
+                                 rt_size_t size)
+{
+    stm32_rtc_control(dev, RT_DEVICE_CTRL_RTC_SET_TIME, (void *)buffer);
+    return size;
+}
+
+struct rt_device rtc_device;
+int rt_hw_rtc_init(void)
+{
+    MX_RTC_Init();
+    rtc_device.type = RT_Device_Class_RTC;
+    rtc_device.rx_indicate = RT_NULL;
+    rtc_device.tx_complete = RT_NULL;
+    rtc_device.init = stm32_rtc_init;
+    rtc_device.open = stm32_rtc_open;
+    rtc_device.close = stm32_rtc_close;
+    rtc_device.read = stm32_rtc_read;
+    rtc_device.write = stm32_rtc_write;
+    rtc_device.control = stm32_rtc_control;
+    rtc_device.user_data = RT_NULL;
+    /* register a character device */
+    return rt_device_register(&rtc_device, "rtc", RT_DEVICE_FLAG_RDWR);
+}
+INIT_BOARD_EXPORT(rt_hw_rtc_init);
+
+static void rtc_set(uint8_t argc, char **argv)
+{
+    rt_device_t rtc = rt_device_find("rtc");
+    RT_ASSERT(rtc != NULL);
+    struct tm now = {
+        .tm_hour = 10,
+        .tm_min = 35,
+        .tm_sec = 0,
+        .tm_year = 2018 - 1900,
+        .tm_mon = 10 - 1,
+        .tm_mday = 23,
+    };
+    time_t tim = mktime(&now);
+    rt_device_control(rtc, RT_DEVICE_CTRL_RTC_SET_TIME, &tim);
+    int ret = rt_device_write(rtc, 0, &tim, 0);
+}
+MSH_CMD_EXPORT(rtc_set, rtc_set yyyy mm dd hh mm ss);
+
+static void rtc_get(uint8_t argc, char **argv)
+{
+    rt_device_t rtc = rt_device_find("rtc");
+    RT_ASSERT(rtc != NULL);
+    struct tm *tm_now;
+    time_t tim;
+    struct tm now;
+    rt_device_control(rtc, RT_DEVICE_CTRL_RTC_GET_TIME, &tim);
+
+    rt_enter_critical();
+    tm_now = localtime(&tim);
+    memcpy(&now, tm_now, sizeof(struct tm));
+    rt_exit_critical();
+    rt_kprintf("%d/%d/%d %d:%d:%d\n", now.tm_year + 1900, now.tm_mon + 1, now.tm_mday, now.tm_hour, now.tm_min, now.tm_sec);
+}
+MSH_CMD_EXPORT(rtc_get, rtc_get);
\ No newline at end of file

bsp/stm32f10x-HAL/drivers/drv_rtc.h

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2017-10-25     ZYH               first implementation
+ * 2018-10-23    XXXXzzzz000        first implementation,referance:stm32f4xx-HAL/drv_rtc.h
+ */
+
+#ifndef __DRV_RTC_H__
+#define __DRV_RTC_H__
+extern int rt_hw_rtc_init(void);
+#endif

bsp/stm32f10x-HAL/drivers/stm32f1xx_hal_conf.h

@@ -79,7 +79,9 @@ extern "C" {
 #endif
 #define HAL_PWR_MODULE_ENABLED
 #define HAL_RCC_MODULE_ENABLED
-// #define HAL_RTC_MODULE_ENABLED
+#ifdef RT_USING_RTC
+#define HAL_RTC_MODULE_ENABLED
+#endif
 #ifdef RT_USING_SDCARD
 #define HAL_SD_MODULE_ENABLED
 #endif