#include 
#include 

const int SPI_CS_PIN = 10;
MCP_CAN CAN(SPI_CS_PIN);

void setup() {
  Serial.begin(115200);
  while (CAN_OK != CAN.begin(CAN_500KBPS)) {
    Serial.println("CAN BUS Shield init fail");
    delay(100);
  }
  Serial.println("CAN BUS Shield init ok!");
}

void loop() {
  unsigned char message[8] = {'H', 'e', 'l', 'l', 'o', ' ', '!', ' '};
  CAN.sendMsgBuf(0x00, 0, 8, message);
  Serial.println("Message sent: Hello !");
  delay(1000); // Send message every second
}