整型的每一种都分为：无符号（unsigned）和有符号（signed）两种类型（float和double总是带符号的），在除char以外的数据类型中，默认情况下声明的整型变量都是有符号的类型；char在默认情况下总是无符号的。在除char以外的数据类型中，如果需声明无符号类型的话就需要在类型前加上u...
unsigned char WriteInData(unsigned char Address,unsigned char DataByte) { unsigned char mark WREN...
#include <reg51.h> void delay_ms(unsigned short ms) { unsigned short i unsigned char j...
unsigned and signed multiply circuit implement....
1 #define GPBCON (*(volatile unsigned long *)0x56000010) 2 #define GPBDAT (*(volatile unsigned long...
void statistics(int signo) unsigned short cal_chksum(unsigned short *addr,int len) int pack(int ...
曲谱存贮格式 unsigned char code MusicName{音高，音长，音高，音长...., 0,0} 末尾:0,0 表示结束(Important) 音高由三位数字组成： 个位是表...
File: dir.h ScanOneDirectorySector(unsigned long sector, char *name) extern void MakeFileName(ch...
File: dir_39 canOneDirectorySector(unsigned long sector, char *name) extern void MakeFileName(ch...
//DS1302工作开始 void TimeWorkStart(void) { unsigned char val val = TimeByteRead(timereadseg) //读秒...