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#define RX_ENABLE_PIN 13
#define TX_ENABLE_PIN 12
#define DEBUG_PIN 0
void setup()
{
pinMode(RX_ENABLE_PIN, OUTPUT);
pinMode(TX_ENABLE_PIN, OUTPUT);
pinMode(DEBUG_PIN, OUTPUT);
digitalWrite(TX_ENABLE_PIN, HIGH); //enable tx
digitalWrite(RX_ENABLE_PIN, LOW); //enable rx
digitalWrite(DEBUG_PIN, LOW); //disable led
Serial.begin(9600);
Serial.println("started");
Serial1.begin(9600);
Serial1.println("hello?");
if (Serial1.available() > 0)
{
digitalWrite(DEBUG_PIN, HIGH);
Serial.println("RS485 active.");
}
}
void loop()
{
}
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