beam_raspberrypi/notes.txt at master · hoverlabs/beam_raspberrypi · GitHub

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NOTE: To compile programs with wiringPi, you need to add:
    -lwiringPi
  to your compile line(s) To use the Gertboard, MaxDetect, etc.
  code (the devLib), you need to also add:
    -lwiringPiDev
  to your compile line(s).

/*****************************************************************************/

sudo i2cdetect -y 1

uint8_t Beam::i2cwrite(uint8_t address, uint8_t cmdbyte, uint8_t databyte) {

    Wire.beginTransmission(address);
    Wire.write(cmdbyte);
    Wire.write(databyte);
    return (Wire.endTransmission());

}

uint8_t Beam::sendReadCmd(uint8_t addr, uint8_t ramsection, uint8_t subreg){

  uint8_t c;
  i2cwrite(addr, REGSEL, ramsection);

  Wire.beginTransmission(addr);
  Wire.write(subreg);
  Wire.endTransmission();

  Wire.requestFrom(addr, 1);
  while(Wire.available())
  {
    c = Wire.read();
    //Serial.println(c, HEX);
    return c;
  }
}

/*****************************************************************************/

Serial.println(_currBeam, HEX);
pinMode(_rst, OUTPUT);
    digitalWrite(_rst, LOW);

    Serial.println("clearing BEAMA");

    delay()

    pgm_read_byte_near

    i2cwrite(addr, subreg, subregdata);


    uint8_t Beam::sendReadCmd(uint8_t addr, uint8_t ramsection, uint8_t subreg){

  uint8_t c;
  i2cwrite(addr, REGSEL, ramsection);

  Wire.beginTransmission(addr);
  Wire.write(subreg);
  Wire.endTransmission();

  Wire.requestFrom(addr, 1);
  while(Wire.available())
  {
    c = Wire.read();
    //Serial.println(c, HEX);
    return c;
  }

}

uint8_t Beam::i2cwrite(uint8_t address, uint8_t cmdbyte, uint8_t databyte) {

    Wire.beginTransmission(address);
    Wire.write(cmdbyte);
    Wire.write(databyte);
    return (Wire.endTransmission());

}

// test edit

/*****************************************************************************/

pandoc -f markdown_github -t html README.md > README.html