 // demo: CAN-BUS Shield, send data
 // loovee@seeed.cc
 
-#include <mcp_can.h>
+
 #include <SPI.h>
+#include "mcp2515_can.h"
+#include "mcp2518fd_can.h"
 
 /*SAMD core*/
 #ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE


    CAN.sendMsgBuf(0x00, 0, 8, stmp);
    delay(100);                       // send data per 100ms
}

// END FILE
    #define SERIAL Serial
#endif


#define CAN_2515
// the cs pin of the version after v1.1 is default to D9
// v0.9b and v1.0 is default D10
const int SPI_CS_PIN = 9;

#ifdef CAN_2518FD
mcp2518fd CAN(SPI_CS_PIN); // Set CS pin
#endif

#ifdef CAN_2515
mcp2515_can CAN(SPI_CS_PIN); // Set CS pin
#endif

void setup() {
    SERIAL.begin(115200);
    while(!Serial){};

#ifdef CAN_2518FD
    while (0 != CAN.begin((byte)CAN_500K_1M)) {            // init can bus : baudrate = 500k
#else
    while (CAN_OK != CAN.begin(CAN_500KBPS)) {             // init can bus : baudrate = 500k
#endif        
        SERIAL.println("CAN BUS Shield init fail");
        SERIAL.println(" Init CAN BUS Shield again");
        delay(100);
