complete canbus recv sd example

examples/recv_sd/recv_sd.ino

@@ -4,7 +4,7 @@
 // loovee, Jun 12, 2017
 
 #include <SPI.h>
-#include "mcp_can.h"
+#include "mcp2518fd_can.h"
 #include <SD.h>
 
 /*SAMD core*/
@@ -18,10 +18,10 @@ File myFile;
 
 // 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_CAN    = 9;
+const int SPI_CS_PIN = BCM8;
 const int SPI_CS_SD     = 4;
 
-MCP_CAN CAN(SPI_CS_CAN);                                    // Set CS pin
+mcp2518fd* controller;                                   // Set CS pin
 
 unsigned char flagRecv = 0;
 unsigned char len = 0;
@@ -30,8 +30,10 @@ char str[20];
 
 void setup() {
     SERIAL.begin(115200);
-
-    while (CAN_OK != CAN.begin(CAN_500KBPS)) {            // init can bus : baudrate = 500k
+    while(!Serial){};
+    controller = new mcp2518fd();
+    controller->mcp_canbus(SPI_CS_PIN);
+    while (CAN_OK != controller->begin((byte)CAN_500K_1M)) {            // init can bus : baudrate = 500k
         SERIAL.println("CAN BUS Shield init fail");
         SERIAL.println("Init CAN BUS Shield again");
         delay(100);
@@ -64,9 +66,9 @@ void loop() {
         // If either the bus is saturated or the MCU is busy,
         // both RX buffers may be in use and reading a single
         // message does not clear the IRQ conditon.
-        while (CAN_MSGAVAIL == CAN.checkReceive()) {
+        while (1 == controller->checkReceive()) {
             // read data,  len: data length, buf: data buf
-            CAN.readMsgBufID(&id, &len, buf);
+            controller->readMsgBufID(&len, buf);
 
             SERIAL.print(id);
             SERIAL.print(",");
@@ -88,4 +90,4 @@ void loop() {
     }
 }
 
-// END FILE
+// END FILE