Add write example

Author: autowp

examples/CAN_write/CAN_write.ino

@@ -0,0 +1,53 @@
+#include <SPI.h>
+#include <mcp2515.h>
+
+struct can_frame canMsg1;
+struct can_frame canMsg2;
+MCP2515 mcp2515(10);
+
+
+void setup() {
+
+  canMsg1.can_id  = 0x0F6;
+  canMsg1.can_dlc = 8;
+  canMsg1.data[0] = 0x8E;
+  canMsg1.data[1] = 0x87;
+  canMsg1.data[2] = 0x32;
+  canMsg1.data[3] = 0xFA;
+  canMsg1.data[4] = 0x26;
+  canMsg1.data[5] = 0x8E;
+  canMsg1.data[6] = 0xBE;
+  canMsg1.data[7] = 0x86;
+
+  canMsg2.can_id  = 0x036;
+  canMsg2.can_dlc = 8;
+  canMsg2.data[0] = 0x0E;
+  canMsg2.data[1] = 0x00;
+  canMsg2.data[2] = 0x00;
+  canMsg2.data[3] = 0x08;
+  canMsg2.data[4] = 0x01;
+  canMsg2.data[5] = 0x00;
+  canMsg2.data[6] = 0x00;
+  canMsg2.data[7] = 0xA0;
+  
+  while (!Serial);
+  Serial.begin(115200);
+  SPI.begin();
+  
+  mcp2515.reset();
+  mcp2515.setBitrate(CAN_125KBPS);
+  mcp2515.setNormalMode();
+  
+  Serial.println("Example: Write to CAN");
+}
+
+void loop() {
+  
+  mcp2515.sendMessage(&canMsg1);
+  mcp2515.sendMessage(&canMsg2);
+
+  Serial.println("Messages sent");
+  
+  delay(100);
+
+}