WriteCan.ino

/*
 * IMPORTANT NOTE:
 *
 * This example is associated with the deprecated Arduino_MachineControl library.
 * We have introduced a new and improved library called Arduino_PortentaMachineControl, which offers enhanced features
 * and ongoing support. 
 * We encourage you to update your projects to use the new library.
 * 
 * The functions and syntax in this example are not compatible with Arduino_PortentaMachineControl.
 * Please refer to the migration guide for necessary adjustments.
 */

/*
  CAN Write Example

  This sketch shows how to use the CAN transceiver on the Machine
  Control and how to transmit data from the TX CAN channel.

  Circuit:
   - Portenta H7
   - Machine Control

*/
#include <Arduino_MachineControl.h>
#include <CAN.h>
using namespace machinecontrol;

#define DATARATE_2MB     2000000
#define DATARATE_1_5MB   1500000
#define DATARATE_1MB     1000000
#define DATARATE_800KB   800000


void setup() {
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect.
  }

  Serial.println("Start CAN initialization");
  comm_protocols.enableCAN();
  comm_protocols.can.frequency(DATARATE_800KB);
  Serial.println("Initialization done");
}

int counter = 0;
unsigned char payload = 0x49;
int payload_size = 1;

void loop() {

  mbed::CANMessage msg = mbed::CANMessage(13ul, &payload, payload_size);
  if (comm_protocols.can.write(msg)) {
    Serial.println("Message sent");
  } else {
    Serial.println("Transmission Error: ");
    Serial.println(comm_protocols.can.tderror());
    comm_protocols.can.reset();
  }

  delay(100);
}