114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/********************************** (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;
|
|
uint8_t state=0;
|
|
bleClockConfig_t conf={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
|
|
conf.ClockAccuracy = CLK_OSC32K?1000:100;
|
|
conf.ClockFrequency = CAB_LSIFQ/2;
|
|
conf.ClockMaxCount = 0xFFFFFFFF;
|
|
conf.getClockValue = RTC_GetCounter;
|
|
state = TMOS_TimerInit( &conf );
|
|
if(state)
|
|
{
|
|
PRINT("TMOS_TimerInit err %x\n",state);
|
|
}
|
|
}
|
|
|
|
|
|
__attribute__((interrupt("WCH-Interrupt-fast")))
|
|
void RTCAlarm_IRQHandler(void)
|
|
{
|
|
RTCTigFlag = 1;
|
|
EXTI_ClearITPendingBit(EXTI_Line17);
|
|
RTC_ClearITPendingBit(RTC_IT_ALR);
|
|
RTC_WaitForLastTask();
|
|
}
|
|
|
|
/******************************** endfile @ time ******************************/
|