ESP323-C3 UART communication

[arijitdas123student]

Hardware:

Board: ESP32C3 Dev Module
Core Installation version: 2.0.0-alpha1
IDE name: Arduino IDE
Flash Frequency: 80Mhz
PSRAM enabled: No
Upload Speed: 115200
Computer OS: Ubuntu 20.04

Description:

Hi there,
I'm new to UART and would like to ask for some help from receiving accelerometer data from an Arduino Nano 33 BLE Sense to an ESP32-C3 DevKitM-1 via UART.
Can somebody please help me out ?

Thanks

[lbernstone]

There is currently an issue with uart1 on the C3. #5247

[arijitdas123student]

Thanks for sharing this @lbernstone!

[chansheunglong]

Does that mean currently with Version 2.0.0-alpha1 Uart1 is not usable? Until the HardwareSerial library was updated

[lbernstone]

Yes, experimental hardware support is experimental 😄
Note that the idf functions work, and are quite straight forward if you need to test.

[arijitdas123student]

@lbernstone By any means have you guys tested the ADXL accelerometer sensors with the ESP32C3 DevKitM1 ?

[arijitdas123student]

What I can see is that the default ADXL example script does compile for ESP32C3 from Arduino IDE....but since I presently don't have the sensor with me I wanted to check if anyone from you might have got to communicate with the ADXL sensors for ESP32C3 ?

[Jason2866]

See #5287

[lybgo]

@lbernstone
When can we solve this problem?
I have products that also need to use Serial1 communication

[chansheunglong]

@lbernstone
When can we solve this problem?
I have products that also need to use Serial1 communication

Just wait
If is product go with ESP8266/ESP32
C3 is too new to be in a product

[SuGlider]

I have created a PR to solve this issues, as well as other Arduino UART issues.
I confirm that the PR solves C3 Serial1 issue.

If you want to help testing it and then send commentaries, please use
https://github.com/SuGlider/arduino-esp32/tree/uart_refactoring
PR #5549