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| 1 | #include "Wire.h" | |
| 2 | #include "wiring.c" | |
| 3 | void setup() {
| |
| 4 | Wire.begin(); | |
| 5 | Wire.beginTransmission(0x68); | |
| 6 | - | Wire.write(0x0E); // Control Register |
| 6 | + | // Start from 0x07 register |
| 7 | - | //Wire.write(B01000000); // 1 Hz Out |
| 7 | + | |
| 8 | - | Wire.write(B00000111); |
| 8 | + | // Alarm 1 |
| 9 | Wire.write(B10000000); | |
| 10 | Wire.write(B10000000); | |
| 11 | - | Wire.write(0x08); |
| 11 | + | |
| 12 | Wire.write(B10000000); | |
| 13 | - | Wire.write(0x09); |
| 13 | + | // Alarm 2 |
| 14 | Wire.write(B10000000); | |
| 15 | - | Wire.write(0x0A); |
| 15 | + | |
| 16 | Wire.write(B10000000); | |
| 17 | // Control | |
| 18 | Wire.write(B01000101); | |
| 19 | // Finish | |
| 20 | Wire.endTransmission(); | |
| 21 | Serial.begin(9600); | |
| 22 | attachInterrupt(0, herz, FALLING); | |
| 23 | } | |
| 24 | void loop() {
| |
| 25 | Wire.beginTransmission(0x68); | |
| 26 | Wire.write(0x00); | |
| 27 | Wire.endTransmission(); | |
| 28 | Wire.requestFrom(0x68,3); | |
| 29 | if(Wire.available()) {
| |
| 30 | byte secund = Wire.read(); //00h | |
| 31 | byte minut = Wire.read(); //01h | |
| 32 | byte chasov = Wire.read(); //02h | |
| 33 | Serial.print((chasov & B00110000)>>4); | |
| 34 | Serial.print(chasov & B00001111); | |
| 35 | Serial.write(':');
| |
| 36 | Serial.print((minut & B11110000)>>4); | |
| 37 | Serial.print(minut & B00001111); | |
| 38 | Serial.write(':');
| |
| 39 | Serial.print((secund & B11110000)>>4); | |
| 40 | Serial.print(secund & B00001111); | |
| 41 | Serial.print(":");
| |
| 42 | } | |
| 43 | Serial.println (millis() ); | |
| 44 | ||
| 45 | } | |
| 46 | void herz(){
| |
| 47 | timer0_millis=0; } |
