瑞萨RA8系列教程|RA8基于e2s实现RTC实时时钟功能

#include "bsp_rtc.h"
void RTC_Init(void){   //设置初始化日期和时间   rtc_time_t set_time =   { .tm_sec = RTC_SEC_SET,  //秒     .tm_min = RTC_MIN_SET,  //分     .tm_hour = RTC_HOUR_SET,  //小时     .tm_mday = RTC_MDAY_SET,  //日（一个月中）     .tm_wday = RTC_WDAY_SET,   //星期     .tm_mon = RTC_MON_SET - 1 ,   //月份     .tm_year = RTC_YEAR_SET-1900, //年份   };   /*打开RTC*/   R_RTC_Open (g_rtc.p_ctrl, g_rtc.p_cfg);   /*设置时钟源*/   R_RTC_ClockSourceSet (g_rtc.p_ctrl);   /* 设置日期时间 */   R_RTC_CalendarTimeSet (g_rtc.p_ctrl, &set_time);}

#ifndef BSP_RTC_H#define BSP_RTC_H
#include "hal_data.h"
/**********日期宏定义**********/#define RTC_YEAR_SET 2024       //年#define RTC_MON_SET 10           //月#define RTC_MDAY_SET 31          //日/*换算星期*/#define RTC_WDAY_SET (RTC_YEAR_SET-2000 \                  + ((RTC_YEAR_SET-2000)/4) \                  - 35 + (26*(RTC_MON_SET+1))/10 \                  + RTC_MDAY_SET -1 )%7
/**********时间宏定义**********/#define RTC_HOUR_SET 23          //时#define RTC_MIN_SET 59           //分#define RTC_SEC_SET 50           //秒
void RTC_Init(void);
#endif

void hal_entry(void){    static rtc_time_t get_time;
    Debug_UART3_Init(); // SCI3 UART 调试串口初始化    RTC_Init();         //初始化RTC
    while(1)    {        R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_10_PIN_01, BSP_IO_LEVEL_LOW);        R_BSP_SoftwareDelay(500, BSP_DELAY_UNITS_MILLISECONDS); // 延时500ms
        R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_10_PIN_01, BSP_IO_LEVEL_HIGH);        R_BSP_SoftwareDelay(500, BSP_DELAY_UNITS_MILLISECONDS); // 延时500ms
        /*获取当前时间*/       R_RTC_CalendarTimeGet (g_rtc.p_ctrl, &get_time);
       /*打印当前时间*/       printf("RTC:%d-%d-%d-%d:%d:%d\r\n", get_time.tm_year + 1900, get_time.tm_mon + 1, get_time.tm_mday,                get_time.tm_hour, get_time.tm_min, get_time.tm_sec);
    }}

void rtc_callback(rtc_callback_args_t *p_args){      static rtc_time_t get_time;
      switch (p_args->event)      {         /*若是周期中断，则打印日期时间*/         case RTC_EVENT_PERIODIC_IRQ:
            /*获取当前时间*/            R_RTC_CalendarTimeGet (g_rtc.p_ctrl, &get_time);
            /*打印当前时间*/            printf("RTC:%d-%d-%d-%d:%d:%d\r\n", get_time.tm_year + 1900, get_time.tm_mon + 1, get_time.tm_mday,                get_time.tm_hour, get_time.tm_min, get_time.tm_sec);            break;         default:            break;      }}