first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,103 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : RTC.c
+ * Author             : WCH
+ * Version            : V1.2
+ * Date               : 2022/01/18
+ * Description        : RTC configuration and its initialization
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/******************************************************************************/
+/* Header file contains */
+#include "HAL.h"
+
+/*********************************************************************
+ * CONSTANTS
+ */
+#define RTC_INIT_TIME_HOUR      0
+#define RTC_INIT_TIME_MINUTE    0
+#define RTC_INIT_TIME_SECEND    0
+
+/***************************************************
+ * Global variables
+ */
+volatile uint32_t RTCTigFlag;
+
+/*******************************************************************************
+ * @fn      RTC_SetTignTime
+ *
+ * @brief   Configure RTC trigger time
+ *
+ * @param   time    - Trigger time.
+ *
+ * @return  None.
+ */
+void RTC_SetTignTime(uint32_t time)
+{
+    RTC_WaitForLastTask();
+    RTC_SetAlarm(time);
+    RTC_WaitForLastTask();
+    RTCTigFlag = 0;
+}
+
+
+/*******************************************************************************
+ * @fn      HAL_Time0Init
+ *
+ * @brief   System timer initialization
+ *
+ * @param   None.
+ *
+ * @return  None.
+ */
+void HAL_TimeInit(void)
+{
+    uint16_t temp=0;
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR|RCC_APB1Periph_BKP, ENABLE);
+    PWR_BackupAccessCmd(ENABLE);
+#if( CLK_OSC32K )
+    RCC_LSICmd(ENABLE);
+    RCC_LSEConfig(RCC_LSE_OFF);
+    RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
+#else
+    RCC_LSEConfig(RCC_LSE_ON);
+    /* Check the specified RCC logo position settings or not, 
+     * wait for the low-speed crystal oscillator to be ready */
+    while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET) 
+    {
+        temp++;
+        Delay_Ms(10);
+    }
+    if(temp>=250)
+    {
+        printf("time error..\n");
+    }
+    RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
+#endif
+    RCC_RTCCLKCmd(ENABLE);
+    RTC_WaitForLastTask();
+    RTC_WaitForLastTask();
+    RTC_SetPrescaler(1);
+    RTC_WaitForLastTask();
+    RTC_SetCounter(0);
+    RTC_WaitForLastTask();
+#if( CLK_OSC32K )
+    Lib_Calibration_LSI();
+#endif
+    TMOS_TimerInit( RTC_GetCounter );
+}
+
+__attribute__((interrupt("WCH-Interrupt-fast")))
+void RTCAlarm_IRQHandler(void)
+{
+    TMOS_TimerIRQHandler();
+    RTCTigFlag = 1;
+    EXTI_ClearITPendingBit(EXTI_Line17);
+    RTC_ClearITPendingBit(RTC_IT_ALR);
+    RTC_WaitForLastTask();
+}
+
+/******************************** endfile @ time ******************************/