Richard楊你好：
我也是can初學者，拿APP023-2板子，套用CE128_ECAN_FIFO範例程式做練習，只是將IC換成dsPIC33FJ128MC708或是dsPIC33FJ128GP708。
在台中Elite上課期間經由calvin ho幫忙找到問題，將Vdd設為3.3v已可work了。
但是下課前與台中RTC同步安裝C30 V3.01後，一直compiler過不了已經困擾有一陣子，是否可以幫忙找看問題出在那裡，謝謝。

Clean: Deleting intermediary and output files.
Clean: Deleted file "D:\ECAN_andy2\ECAN1Config.o".
Clean: Deleted file "D:\ECAN_andy2\My02prj.mcs".
Clean: Done.
Executing: "C:\Program Files\Microchip\MPLAB C30\bin\pic30-gcc.exe" -mcpu=33FJ128GP708 -c -x c -I"C:\Program Files\Microchip\MPLAB C30\support\h" -I"D:\ECAN_andy2\h" "src\ECAN1Config.C" -o"ECAN1Config.o" -g -Wall
Microchip MPLAB C30 License Manager Version v3.01 (Build Date Jun 11 2007).
Copyright (c) 2005 Microchip Technology Inc. All rights reserved.
The MPLAB C30 license has expired.
pic30-coff-cc1.exe: warning: Options have been disabled due to expired license
src\ECAN1Config.C:91:1: warning: "/*" within comment
Executing: "C:\Program Files\Microchip\MPLAB C30\bin\pic30-gcc.exe" -mcpu=33FJ128GP708 -c -x c -I"C:\Program Files\Microchip\MPLAB C30\support\h" -I"D:\ECAN_andy2\h" "src\ECAN1Drv.c" -o"ECAN1Drv.o" -g -Wall
Microchip MPLAB C30 License Manager Version v3.01 (Build Date Jun 11 2007).
Copyright (c) 2005 Microchip Technology Inc. All rights reserved.
The MPLAB C30 license has expired.
pic30-coff-cc1.exe: warning: Options have been disabled due to expired license
src\ECAN1Drv.c: In function 'ecan1WriteRxAcptFilter':
src\ECAN1Drv.c:102: warning: suggest parentheses around + or - inside shift
src\ECAN1Drv.c: In function 'ecan1WriteRxAcptMask':
src\ECAN1Drv.c:158: warning: suggest parentheses around + or - inside shift
src\ECAN1Drv.c: In function 'ecan1WriteTxMsgBufId':
src\ECAN1Drv.c:283: internal compiler error: in instantiate_virtual_regs_lossage, at function.c:1442
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://support.microchip.com> for instructions.
Halting build on first failure as requested.
BUILD FAILED: Thu Aug 23 16:05:37 2007