se/SE/stuff/P5_Automation_can-dev-res/_CAN/_CAN_func.h

void CAN_READ() {
    if(!digitalRead(CAN_INTpin))                    // If pin 2 is low, read receive buffer
          {
            CAN0.readMsgBuf(&CANrxId, &CANlen, CANrxBuf); // Read data: len = data length, buf = data byte(s)
            Serial.print("#5555CAN_READ read ID: ");
            Serial.print(CANrxId, HEX);
            Serial.print(" Data: ");
          
            for(int i = 0; i<CANlen; i++)           // Print each byte of the data
            {
              if(CANrxBuf[i] < 0x10)                // If data byte is less than 0x10, add a leading zero
              {
                Serial.print("0");
         
              }
              Serial.print(CANrxBuf[i], HEX);
              Serial.print(" ");
          
               
            }
            Serial.println();

            
          } else Serial.println(" [CAN] [NOT][digitalRead(CAN_INTpin)] ");

    }