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   1 // sketch_07_01_I2C_TEA5767
   2
   3 #include <Wire.h>
   4
   5 void setup()
   6 {
   7   Wire.begin();
   8   setFrequency(93.0); // MHz
   9 }
  10
  11 void loop()
  12 {
  13 }
  14
  15 void setFrequency(float frequency)
  16 {
  17   unsigned int frequencyB = 4 * (frequency * 1000000 + 225000) / 32768;
  18   byte frequencyH = frequencyB >> 8;
  19   byte frequencyL = frequencyB & 0XFF;
  20
  21   Wire.beginTransmission(0x60);
  22   Wire.write(frequencyH);
  23   Wire.write(frequencyL);
  24   Wire.write(0xB0);
  25   Wire.write(0x10);
  26   Wire.write(0x00);
  27   Wire.endTransmission();
  28   delay(100);
  29 }
  30