Index: firmware/source/sys_main.c
===================================================================
diff -u -r2bb447181c2519690441d81f83563d17e0882ef2 -r6311eb9b65fdeec7a285d25e07f3932ac0fb6cf1
--- firmware/source/sys_main.c	(.../sys_main.c)	(revision 2bb447181c2519690441d81f83563d17e0882ef2)
+++ firmware/source/sys_main.c	(.../sys_main.c)	(revision 6311eb9b65fdeec7a285d25e07f3932ac0fb6cf1)
@@ -133,6 +133,7 @@
     mibspiInit();   // re-purposing MIBSPI5 I/O/C pins as GPIO
     etpwmInit();    // configure PWMs
     canInit();      // CAN1 = CAN, re-purposing CAN2 and CAN3 Rx and Tx pins as GPIO
+        //canEnableloopback( canREG1, External_Lbk );  // TODO - debug code
     sciInit();      // SCI1 used for PC serial interface, SCI2 used for FPGA serial interface
     dmaEnable();    // enable DMA
 }