ESP stop Working UART

[lBenji]

Hardware:

Board: ESP32 Dev Module
Core Installation/update date: 11/jul/2017
IDE name: Arduino IDE
Flash Frequency: 40Mhz
Upload Speed: 115200

Description:

Sometimes if I reset the esp the last Console Output is "1" or empty. But the Serial1 Device is sending data all time.

If I reset the ESP32 5 times. the ESP is working 2 times correctly.

Sketch:

HardwareSerial Serial1(1);
#define SERIAL1_RXPIN 16
#define SERIAL1_TXPIN 17

void setup() {
  Serial1.begin(115200, SERIAL_8N1, SERIAL1_RXPIN, SERIAL1_TXPIN); //Serial Display
  Serial.begin(115200);

  delay(1000);

  Serial.write("1");
  
  delay(1000);

  Serial.write("2");
}

void loop() {
  Serial.println(5.1);
  Serial1.println(5.1);
  
  if (Serial1.available()) {      // If anything comes in Serial (USB),
    Serial.write(Serial1.read());   // read it and send it out Serial1 (pins 0 & 1)
  }

  delay(1000);
}

Debug Messages:

no

[lBenji]

I had the same issue as #645

[copercini]

This was fixed in e2bd93c
Just update your core version and everything should work fine =)

[lBenji]

Problem fixed.

@copercini yes I have seen it before, that the Issue is fixed