RTC
Update time:2018-04-13 Views:5067
RTC -- HYM5863
HYM8563 is a low power CMOS real-time clock / calendar chip, which provides a programmable clock output, interrupt output and a brown-out detector, all of the address and data are communication with a serial I2C bus interface. The maximum bus speed of 400Kbit / s, each read and write data, built-in word address register is automatically incremented.
Fireduino RTC
Fireduino RTC use external devices for the I2C interface HYM5863, articulated in Wire1 Interface
Fireduino RTCTime Struct
//datetimeInfo structtypedef struct{unsigned short year;//year (1900 ~ 2099)unsigned char mon;//month,begin from 1 to 12unsigned char week;//week (0:Sunday 1:Monday ... 6:Saturday)unsigned char day;//day,begin from 1 to 31unsigned char hour;//hour,24-hourunsigned char min;//minuteunsigned char sec;//second}RTCTime;
Fireduino RTC API
getTime(RTCTime *time)
Description Get RTCTime Syntax RTC.getTime(&time); Parameter RTCTime type point Returns None
setTime(RTCTime *time)
Description Set RTCTime Syntax RTC.setTime(&time); Parameter RTCTime type point Returns None
Fireduino RTC Example
#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 12time.week = 1 ;//week (0:Sunday 1:Monday ... 6:Saturday)time.day = 14;//day,begin from 1 to 31time.hour = 23;//hour,24-hourtime.min = 59;//minutetime.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();}