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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);
Serial.begin(38400);
Serial1.begin(38400);
transmit_mode();
}
void loop()
{
for (byte i=32; i<128; i++)
{
digitalWrite(DEBUG_PIN, HIGH);
delay(100);
digitalWrite(DEBUG_PIN, LOW);
Serial.print("OUT: ");
print_byte(i);
Serial1.print(i, BYTE);
delay(900);
}
}
void print_byte(byte b)
{
Serial.print(b, BYTE);
Serial.print(" / ");
Serial.print(b, DEC);
Serial.print(" / ");
Serial.print(b, HEX);
Serial.print(" / ");
Serial.print(b, BIN);
Serial.println(".");
}
void transmit_mode()
{
digitalWrite(TX_ENABLE_PIN, HIGH); //enable tx
digitalWrite(RX_ENABLE_PIN, HIGH); //disable rx
}
void receive_mode()
{
digitalWrite(TX_ENABLE_PIN, LOW); //disable tx
digitalWrite(RX_ENABLE_PIN, LOW); //enable rx
}
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