207 lines
7.0 KiB
C
207 lines
7.0 KiB
C
#include "McuBspRtc.h"
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static BspRtcAlarmCallback gMcuBspRtcExtiCallback = NULL;
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static RTC_HandleTypeDef gRTCHandle;
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static unsigned char gCentury = 0;
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static unsigned char gRtcSyncFlag = 0; // RTC时钟同步标志位
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/* 初始化RTC */
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int McuBspRtcInit(void)
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{
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gRTCHandle.Instance = RTC;
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gRTCHandle.Init.AsynchPrediv = RTC_AUTO_1_SECOND; // 设定基本时钟为1s，时钟精度为1s
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gRTCHandle.Init.OutPut = RTC_OUTPUTSOURCE_NONE; // 允许PC13脚作为普通IO口使用
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if (HAL_RTC_Init(&gRTCHandle) != HAL_OK) {
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return -1;
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}
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return 0;
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}
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/* 设置当前时间 */
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int McuBspRtcSetTime(MCU_BSP_CLOCK *time)
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{
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RTC_TimeTypeDef sTime = {0};
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RTC_DateTypeDef sDate = {0};
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if (time == NULL) {
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return -1;
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}
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sTime.Hours = time->Hours;
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sTime.Minutes = time->Minutes;
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sTime.Seconds = time->Seconds;
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sDate.Month = time->Month;
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sDate.Date = time->Date;
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sDate.Year = time->Year % 100;
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gCentury = time->Year / 100;
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if(HAL_RTC_SetDate(&gRTCHandle, &sDate, RTC_FORMAT_BIN) != HAL_OK) {
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return -1;
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}
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if(HAL_RTC_SetTime(&gRTCHandle, &sTime, RTC_FORMAT_BIN) != HAL_OK) {
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return -1;
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}
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gRtcSyncFlag = 1;
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return 0;
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}
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/* 获取RTC同步标志位 */
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int McuBspRtcGetSyncFlag(void)
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{
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return gRtcSyncFlag;
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}
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/* 读取当前时间 */
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int McuBspRtcGetTime(MCU_BSP_CLOCK *time)
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{
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RTC_TimeTypeDef sTime = {0};
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RTC_DateTypeDef sDate = {0};
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if (time == NULL) {
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return -1;
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}
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if (HAL_RTC_GetTime(&gRTCHandle, &sTime, RTC_FORMAT_BIN) != HAL_OK) {
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return -1;
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}
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if (HAL_RTC_GetDate(&gRTCHandle, &sDate, RTC_FORMAT_BIN) != HAL_OK) {
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return -1;
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}
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time->Hours = sTime.Hours;
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time->Minutes = sTime.Minutes;
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time->Seconds = sTime.Seconds;
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time->Month = sDate.Month;
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time->Date = sDate.Date;
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time->Year = gCentury * 100 + sDate.Year;
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return 0;
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}
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/* 启动RTC闹钟中断 */
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int McuBspRtcStartAlarm(unsigned char RtcPeriod, BspRtcAlarmCallback Callback)
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{
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RTC_AlarmTypeDef sAlarm = {0};
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/* 获取当前时间 */
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RTC_TimeTypeDef sTime = {0};
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if (HAL_RTC_GetTime(&gRTCHandle, &sTime, RTC_FORMAT_BIN) != HAL_OK) {
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return -1;
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}
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sAlarm.Alarm = RTC_ALARM_A;
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switch (RtcPeriod) {
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_30MIN:
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if ((sTime.Minutes + 30) > 60) {
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sAlarm.AlarmTime.Hours = sTime.Hours + 1;
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} else {
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sAlarm.AlarmTime.Hours = sTime.Hours;
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}
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if (((sTime.Minutes + 30) > 60) && ((sTime.Minutes + 30) < 90)) {
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sAlarm.AlarmTime.Minutes = 0;
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} else {
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sAlarm.AlarmTime.Minutes = 30;
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}
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_1HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_1HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_1HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_2HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_2HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_2HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_3HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_3HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_3HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_4HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_4HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_4HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_6HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_6HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_6HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_8HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_8HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_8HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_12HOUR:
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sAlarm.AlarmTime.Hours = (sTime.Hours + (MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_12HOUR -
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(sTime.Hours % MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_12HOUR))) % 24;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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case MCU_BSP_RTC_CLOCK_WAKEUP_PERIOD_24HOUR:
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sAlarm.AlarmTime.Hours = 0;
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sAlarm.AlarmTime.Minutes = 0;
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sAlarm.AlarmTime.Seconds = 0;
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break;
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default :
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return -1;
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}
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HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0x0F, 0); // 优先级最低与系统滴答优先级一致
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HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
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if (HAL_RTC_SetAlarm_IT(&gRTCHandle, &sAlarm, RTC_FORMAT_BIN) != HAL_OK) {
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return -1;
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}
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gMcuBspRtcExtiCallback = Callback;
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return 0;
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}
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void McuBspRtcEndAlarm(void)
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{
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HAL_NVIC_DisableIRQ(RTC_Alarm_IRQn);
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}
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/* RTC初始化的时候底层硬件使用 */
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void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
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if (hrtc -> Instance == RTC) {
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__HAL_RCC_PWR_CLK_ENABLE();
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HAL_PWR_EnableBkUpAccess();
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/* Configue LSE as RTC clock soucre */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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RCC_OscInitStruct.LSEState = RCC_LSE_ON;
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PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
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if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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}
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
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if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
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}
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__HAL_RCC_RTC_ENABLE();
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}
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}
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/* 反初始化底层硬件调用 */
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void HAL_RTC_MspDeInit(RTC_HandleTypeDef *hrtc)
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{
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/*##-1- Reset peripherals ##################################################*/
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__HAL_RCC_RTC_DISABLE();
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}
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void RTC_Alarm_IRQHandler(void)
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{
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HAL_RTC_AlarmIRQHandler(&gRTCHandle);
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}
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void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)
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{
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if (gMcuBspRtcExtiCallback == NULL) {
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gMcuBspRtcExtiCallback();
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}
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}
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