UART Test program for ESP32 expansion board

Uses ESP32 hardware serial UARTs with pins of Arduino HAT board
This commit is contained in:
Aadi Desai 2021-05-22 18:06:39 +01:00
parent 98933c77c9
commit 6c31662970

View file

@ -1,9 +1,33 @@
#include <Arduino.h>
#define LED_BUILTIN 2
#include <string>
#define RX1pin 14 // Pin 10 on expansion board
#define TX1pin 4 // Pin 11 on expansion board
#define RX2pin 15 // Pin 12 on expansion board
#define TX2pin 2 // Pin 13 on expansion board
void forwardprint();
int counter;
String input1, input2;
void setup() {
Serial.begin(115200);
Serial.begin(115200); // Set up hardware UART 0 (Connected to USB port)
Serial1.begin(9600, SERIAL_8N1, RX1pin, TX1pin); // Set up hardware UART 1
Serial2.begin(9600, SERIAL_8N1, RX2pin, TX2pin); // Set up hardware UART 2
}
void loop() {
forwardprint();
if(Serial.available()){
input1 = String(Serial.readStringUntil('\n'));
Serial1.println(input1);
}
}
void forwardprint() {
if(Serial2.available()){
input2 = String(Serial2.readStringUntil('\n'));
Serial.println(input2);
}
}