From 7154c6f82bdecfa8cd3f4bad26ed9d8803e2ae9c Mon Sep 17 00:00:00 2001 From: Nacho Date: Mon, 1 Dec 2025 23:49:35 +0000 Subject: [PATCH] Update src/main.cpp --- src/main.cpp | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/src/main.cpp b/src/main.cpp index 469762b..39b8db4 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,24 +1,19 @@ #include -#define EXTERNAL_RX_PIN 16 // GPIO pin for the external device's TX -#define EXTERNAL_TX_PIN 17 // GPIO pin for the external device's RX +#define EXTERNAL_RX_PIN 16 +#define EXTERNAL_TX_PIN 17 #define BAUD_RATE 115200 void setup() { - // Initialize communication with the computer (via USB-to-UART chip) Serial.begin(BAUD_RATE); - - // Initialize communication with the external device (on designated GPIO pins) Serial2.begin(BAUD_RATE, SERIAL_8N1, EXTERNAL_RX_PIN, EXTERNAL_TX_PIN); } void loop() { - // Read from computer (Serial) and send to external device (Serial2) if (Serial.available()) { Serial2.write(Serial.read()); } - // Read from external device (Serial2) and send to computer (Serial) if (Serial2.available()) { Serial.write(Serial2.read()); }