delay function for pic microcontroller and have header file ( mahmoud.h ) to make your c code accept small letters

PIC18F452下的uCOS2移植成功代码＋MPLAB IDE V8.0的项目文件。结构非常精简，易于理解，使用前请参考其中的“使用前先读我.txt”，否则可能无法正确编译。-PIC18F452 under the successful transplantation uCOS2 code MPLAB IDE V8.0 project files. Structure is very concise, easy to understand, please refer to them bef

code for serial communications using c pic