可预置的8位计数器程序的主要部分分析 #include <AT89X51.H> //器件配置文件 #define uchar unsigned char //变量类型的宏定义 #define uint unsigned int uchar code SEG7[10]={0x03,0x9f,0x25,0x0d,0x99, //0~9的数码管段码 0x49,0x41,0x1f,0x01,0x09} uchar data cnt[8] //在da

不完全手册，一本简单好用的arm编程知道书，教你不使用库函数也可以写出出色的程序- unsigned int i BYTE buffer[512] // file copy buffer FATFS fs // Work area (file system object) for logical drive FIL fsrc // file objects FRESULT res

#include<reg51.h> #define uint unsigned int #define uchar unsigned char-# Include <reg51.h># Define uint unsigned int# define uchar unsigned char