Arduino DMX Test

DMXTEST.ino

#define DMXCHANNELS 8

void setup()
{
}
uint8_t data[DMXCHANNELS] = {0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,};
uint8_t tx = 1;

void loop()
{
	pinMode(tx,OUTPUT);
	digitalWrite(tx,0);//Break
        delayMicroseconds(88);
	digitalWrite(tx,1);//MAB
  	delayMicroseconds(8);
	Serial.begin(250000,SERIAL_8N2);
	Serial.write(0x0);//Start Code
	for(uint16_t i = 0 ; i < DMXCHANNELS ; ++i){
		Serial.write(data[i]);//Ch Data
	}
	Serial.end();
}