[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.h

@@ -0,0 +1,15 @@
+/*
+ * 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