RTC
更新时间：2017-08-08 阅读：14182
目录
RTC -- HYM5863
HYM8563是一款低功耗CMOS实时时钟/日历芯片，它提供一个可编程的时钟输出，一个中断输出和一个掉电检测器，所有的地址和数据都通过I2C总线接口串行传递。最大总线速度为400Kbit/s，每次读写数据后，内嵌的字地址寄存器会自动递增。
Fireduino RTC
Fireduino RTC 使用外接设备为I2C 接口的HYM5863，挂接在Wire1 接口
Fireduino RTCTime 相关结构体
//datetimeInfo struct typedef struct { unsigned short year;//year (1900 ~ 2099) unsigned char mon;//month,begin from 1 to 12 unsigned char week;//week (0:Sunday 1:Monday ... 6:Saturday) unsigned char day;//day,begin from 1 to 31 unsigned char hour;//hour,24-hour unsigned char min;//minute unsigned char sec;//second }RTCTime;
Fireduino RTC API
getTime(RTCTime *time)
说明
获取RTCTime
语法
RTC.getTime(&time);
参数
RTCTime 类型指针
返回
无
setTime(RTCTime *time)
说明
设置RTCTime
语法
RTC.setTime(&time);
参数
RTCTime 类型指针
返回
无
Fireduino RTC 示例程序
#include "Arduino.h" #include "Wire.h" #include "RTC.h" RTCTime time; void setup(void) { Serial.begin(115200); Serial.print("\r\n FireDuino Setup ...\r\n"); time.year = 2016;//year (1900 ~ 2099) time.mon = 3;//month,begin from 1 to 12 time.week = 1 ;//week (0:Sunday 1:Monday ... 6:Saturday) time.day = 14;//day,begin from 1 to 31 time.hour = 23;//hour,24-hour time.min = 59;//minute time.sec = 50;//second Wire1.begin(); RTC.setTime(&time); } void loop(void) { delay(100); RTC.getTime(&time); Serial.println(); Serial.print("Y:"); Serial.print(time.year,DEC); Serial.print(" M:"); Serial.print(time.mon,DEC); Serial.print(" W:"); Serial.print(time.week,DEC); Serial.print(" d:"); Serial.print(time.day,DEC); Serial.print(" h:"); Serial.print(time.hour,DEC); Serial.print(" m:"); Serial.print(time.min,DEC); Serial.print(" s:"); Serial.print(time.sec,DEC); Serial.println(); }
