帮我写一段DS1390的驱动代码
时间: 2024-05-04 11:03:17 浏览: 14
Sure, I can help you with that! Here's a sample code for DS1390 driver:
```
#include <Wire.h>
#include "DS1390.h"
DS1390::DS1390() {
Wire.begin();
}
void DS1390::setTime(byte second, byte minute, byte hour, byte dayOfWeek, byte dayOfMonth, byte month, byte year) {
Wire.beginTransmission(DS1390_ADDRESS);
Wire.write(0); // Start address
Wire.write(decToBcd(second));
Wire.write(decToBcd(minute));
Wire.write(decToBcd(hour));
Wire.write(decToBcd(dayOfWeek));
Wire.write(decToBcd(dayOfMonth));
Wire.write(decToBcd(month));
Wire.write(decToBcd(year));
Wire.endTransmission();
}
byte DS1390::decToBcd(byte val) {
return ((val / 10 * 16) + (val % 10));
}
byte DS1390::bcdToDec(byte val) {
return ((val / 16 * 10) + (val % 16));
}
void DS1390::getTime(byte *second, byte *minute, byte *hour, byte *dayOfWeek, byte *dayOfMonth, byte *month, byte *year) {
Wire.beginTransmission(DS1390_ADDRESS);
Wire.write(0); // Start address
Wire.endTransmission();
Wire.requestFrom(DS1390_ADDRESS, 7);
*second = bcdToDec(Wire.read() & 0x7f);
*minute = bcdToDec(Wire.read());
*hour = bcdToDec(Wire.read() & 0x3f);
*dayOfWeek = bcdToDec(Wire.read());
*dayOfMonth = bcdToDec(Wire.read());
*month = bcdToDec(Wire.read());
*year = bcdToDec(Wire.read());
}
```
Hope this helps! Is there anything else you need assistance with?