Update CAN_receive.ino

examples/CAN_receive/CAN_receive.ino

@@ -7,7 +7,9 @@
 long unsigned int rxId;
 unsigned char len = 0;
 unsigned char rxBuf[8];
+char msgString[128];                        // Array to store serial string
 
+#define CAN0_INT 2                              // Set INT to pin 2
 MCP_CAN CAN0(10);                               // Set CS to pin 10
 
 
@@ -16,19 +18,21 @@ void setup()
   Serial.begin(115200);
 
   // Initialize MCP2515 running at 16MHz with a baudrate of 500kb/s and the masks and filters disabled.
-  if(CAN0.begin(MCP_ANY, CAN_500KBPS, MCP_16MHZ) == CAN_OK) Serial.println("MCP2515 Initialized Successfully!");
-  else Serial.println("Error Initializing MCP2515...");
+  if(CAN0.begin(MCP_ANY, CAN_500KBPS, MCP_16MHZ) == CAN_OK)
+    Serial.println("MCP2515 Initialized Successfully!");
+  else
+    Serial.println("Error Initializing MCP2515...");
 
   CAN0.setMode(MCP_NORMAL);                     // Set operation mode to normal so the MCP2515 sends acks to received data.
 
-  pinMode(2, INPUT);                            // Setting pin 2 for /INT input
+  pinMode(CAN0_INT, INPUT);                            // Configuring pin for /INT input
 
   Serial.println("MCP2515 Library Receive Example...");
 }
 
 void loop()
 {
-  if(!digitalRead(2))                         // If pin 2 is low, read receive buffer
+  if(!digitalRead(CAN0_INT))                         // If CAN0_INT pin is low, read receive buffer
   {
     CAN0.readMsgBuf(&rxId, &len, rxBuf);      // Read data: len = data length, buf = data byte(s)