第一个编译错误提示Clean: Deleting intermediary and output files. Clean: Deleted file "E:\PIC\Project\pic.mcs". Clean: Done. Executing: "e:\pic\picc\BIN\PICC.EXE" -C -E"pic.cce" "pic.c" -O"pic.obj" -Zg9 -O -ASMLIST -Q -MPLAB -16F877A Executing: "e:\pic\picc\BIN\PICC.EXE" -E"pic.lde" "E:\PIC\Project\pic.obj" -M"pic.map" -O"pic.cof" -O"pic.hex" -Q -MPLAB -16F877A BUILD FAILED: Thu May 08 12:08:01 2014 第二个编译错误提示Clean: Deleting intermediary and output files. Clean: Deleted file "E:\PIC\feng\pic.mcs". Clean: Done. Executing: "e:\pic\picc\BIN\PICC.EXE" -C -E"pic.cce" "pic.c" -O"pic.obj" -Zg9 -O -ASMLIST -Q -MPLAB -16F877A Halting build on first failure as requested. BUILD FAILED: Thu May 08 12:06:04 2014

仙猫 发表于 2014-5-7 21:11 这似乎不是免费版编译器（PICC），需要注册。 如果不是特别大的程序，不妨去官网下载个免费版试试。

确实是这问题，已经重新下载了