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VescUart

Arduino library for interfacing with a VESC over UART. This library is based upon the works of many. The library is tested on a Teensy 4, and is updated for VESC firmware FW5+. The library is not nessecary backwards compatible with older versions of VESC firmware, so please update to the newest firmware available to your VESC.

The library supports only a small amount of features available to the VESC. You are welcome to make a pull request if you integrate new functionality and I will do my best to merge.

CAN BUS support

CAN BUS is now supported, such that you can communcate with multiple VESCs over a single UART port. All methods can be called with a CAN ID, and the main VESC will forward the command to the desired CAN Id.

You can't use a CAN bus ID of 0 for this library, as this is used to refer to the local device; start numbering at 1.

Usage

Initialize VescUart class and select Serial port for UART communication.

#include <VescUart.h>

VescUart UART;

void setup() {
  Serial.begin(115200);

  while (!Serial) {;}

  UART.setSerialPort(&Serial);
}

Getting VESC telemetry:

if ( UART.getVescValues() ) {
  Serial.println(UART.data.rpm);
  Serial.println(UART.data.inpVoltage);
  Serial.println(UART.data.ampHours);
  Serial.println(UART.data.tachometerAbs);
}

You can find example usage and more information in the examples directory.