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Update Adafruit_PWMServoDriver.cpp Fixed setPWM - beginTransmission now works #3

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merged 1 commit into from Dec 27, 2012
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Update Adafruit_PWMServoDriver.cpp Fixed setPWM - beginTransmission now works #3

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13 changes: 8 additions & 5 deletions Adafruit_PWMServoDriver.cpp
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Expand Up @@ -50,25 +50,28 @@ void Adafruit_PWMServoDriver::setPWMFreq(float freq) {
write8(PCA9685_PRESCALE, prescale); // set the prescaler
write8(PCA9685_MODE1, oldmode);
delay(5);
write8(PCA9685_MODE1, oldmode | 0x80);
//write8(PCA9685_MODE1, oldmode | 0x80);
write8(PCA9685_MODE1, oldmode | 0xa1); // This sets the MODE1 register to turn on auto increment.
// This is why the beginTransmission below was not working.
// Serial.print("Mode now 0x"); Serial.println(read8(PCA9685_MODE1), HEX);
}

void Adafruit_PWMServoDriver::setPWM(uint8_t num, uint16_t on, uint16_t off) {
/*
// hmm doesnt work, whyso?
// hmm doesnt work, whyso? ( Not in AI mode. See line 54 above. ( Works now!! :D )
Wire.beginTransmission(_i2caddr);
Wire.write(LED0_ON_L+4*num);
Wire.write(on);
Wire.write(on>>8);
Wire.write(off);
Wire.write(off>>8);
Wire.endTransmission();
*/

/*
write8(LED0_ON_L+4*num, on);
write8(LED0_ON_H+4*num, on >> 8);
write8(LED0_OFF_L+4*num, off);
write8(LED0_OFF_H+4*num, off >> 8);
write8(LED0_OFF_H+4*num, off >> 8);
*/
}

uint8_t Adafruit_PWMServoDriver::read8(uint8_t addr) {
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