Initial commit

This is just the 2018 code configured for PlatformIO

lib/due_can/examples/CAN_TrafficModifier/CAN_TrafficModifier.ino

@@ -0,0 +1,63 @@
+//Reads all traffic on CAN0 and forwards it to CAN1 (and in the reverse direction) but modifies some frames first.
+// Required libraries
+#include "variant.h"
+#include <due_can.h>
+
+//Leave defined if you use native port, comment if using programming port
+#define Serial SerialUSB
+
+void setup()
+{
+
+  Serial.begin(115200);
+  
+  // Initialize CAN0 and CAN1, Set the proper baud rates here
+  Can0.begin(CAN_BPS_500K);
+  Can1.begin(CAN_BPS_250K);
+  
+  //By default there are 7 mailboxes for each device that are RX boxes
+  //This sets each mailbox to have an open filter that will accept extended
+  //or standard frames
+  int filter;
+  //extended
+  for (filter = 0; filter < 3; filter++) {
+	Can0.setRXFilter(filter, 0, 0, true);
+	Can1.setRXFilter(filter, 0, 0, true);
+  }  
+  //standard
+  //for (int filter = 3; filter < 7; filter++) {
+	//Can0.setRXFilter(filter, 0, 0, false);
+	//Can1.setRXFilter(filter, 0, 0, false);
+  //}  
+  
+}
+
+void printFrame(CAN_FRAME &frame) {
+   Serial.print("ID: 0x");
+   Serial.print(frame.id, HEX);
+   Serial.print(" Len: ");
+   Serial.print(frame.length);
+   Serial.print(" Data: 0x");
+   for (int count = 0; count < frame.length; count++) {
+       Serial.print(frame.data.bytes[count], HEX);
+       Serial.print(" ");
+   }
+   Serial.print("\r\n");
+}
+
+void loop(){
+  CAN_FRAME incoming;
+
+  if (Can0.available() > 0) {
+	Can0.read(incoming);
+	Can1.sendFrame(incoming);
+	//printFrame(incoming);  //uncomment line to print frames that are going out
+   }
+  if (Can1.available() > 0) {
+	Can1.read(incoming);
+	Can0.sendFrame(incoming);
+	//printFrame(incoming);
+  }
+}
+
+