     #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;
 
-MCP_CAN CAN(SPI_CS_PIN);                                    // Set CS pin
+#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){};
 
-    while (CAN_OK != CAN.begin(CAN_500KBPS)) {            // init can bus : baudrate = 500k
+#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);

// demo: CAN-BUS Shield, send data
// loovee@seeed.cc

#include <mcp_can.h>
#include <SPI.h>

/*SAMD core*/
#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE


    CAN.sendMsgBuf(0x00, 0, 8, stmp);
    delay(100);                       // send data per 100ms
    SERIAL.println("CAN BUS sendMsgBuf ok!");
}

// END FILE
