snark13/Xteink-X4-crosspoint-reader
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Prevent Serial if no USB

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Dave Allie 2025-12-23 14:00:51 +11:00
parent 367b466782
commit 08c18dbe6e
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1 changed files with 6 additions and 1 deletions
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7
src/main.cpp
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@ -160,7 +160,12 @@ void onGoHome() {
void setup() { void setup() {
t1 = millis(); t1 = millis();
Serial.begin(115200);
// Only start serial if USB connected
pinMode(UART0_RXD, INPUT);
if (digitalRead(UART0_RXD) == HIGH) {
Serial.begin(115200);
}
Serial.printf("[%lu] [ ] Starting CrossPoint version " CROSSPOINT_VERSION "\n", millis()); Serial.printf("[%lu] [ ] Starting CrossPoint version " CROSSPOINT_VERSION "\n", millis());