Arduino Eiki EIP-U4700 Ballast Bypass

gistfile1.txt

/*
Needs customSoftwareSerial library, ballast->projector on pin 4, projector to ballast on pin 3.
*/
#include <CustomSoftwareSerial.h>

CustomSoftwareSerial ballastToProjector(2,3,true /*Invert logic*/);
CustomSoftwareSerial projectorToBallast(4,5);

void setup() {
  Serial.begin(115200);
  Serial.write("Arduino Present\n");
  ballastToProjector.begin(9600,CSERIAL_8E1);
  projectorToBallast.begin(9600,CSERIAL_8E1);
  
}
char buffer[64];
unsigned char data;

uint8_t skipNext = 0;
uint8_t power = 0;

void loop() {
  if (projectorToBallast.available())
  {
    data = projectorToBallast.read();
    sprintf(buffer,"Got 0x%02X projectorToBallast\n",data);
    Serial.print(buffer);

    if (data == 0x70)
      power = 1;
    
    if (skipNext > 0)
      skipNext--;
    else
      if (power)
      {
        ballastToProjector.write(data);
        if (data == 0xF0)
        {
          data = 0;
          ballastToProjector.write(data);
        }
        else if (data == 0xF1)
        {
          data = 02;
          ballastToProjector.write(data);
          data = 20;
          ballastToProjector.write(data);
        }
        else if (data == 0xF3)
        {
          data = 2;
          ballastToProjector.write(data);
        }
        else if (data == 0xF2)
        {
          data = 4;
          ballastToProjector.write(data);
        }
        else if (data == 0xF4)
        {
          data = 128;
          ballastToProjector.write(data);
        }
        else if (data == 0xF6)
        {
          data = 5;
          ballastToProjector.write(data);
        }
        else if (data == 0xFA)
        {
          data = 'e';
          ballastToProjector.write(data);
        }
        else if (data == 0xFB)
        {
          data = 128;
          ballastToProjector.write(data);
        }
        else if (data == 0xF5)
        {
          data = 1;
          ballastToProjector.write(data);
        }
      }
  }
}