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Keypad 的代码
mix_exp.src
[Files]
megalcd.c
time.c
keypad.c
kb.c
delay.c
[Headers]
..\..\..\icc\include\iom128v.h
[Documents]
time._c
#include
unsigned char second;
unsigned char minute;
unsigned char hour;
unsigned char time[9];
unsigned char sound=0;
extern unsigned char keytime;
extern unsigned char keypad(void);
time.c
#include
unsigned char second;
unsigned char minute;
unsigned char hour;
unsigned char time[9];
unsigned char sound=0;
extern unsigned char keytime;
extern unsigned char keypad(void)
keypad.c
#include
/*键盘扫描函数,没有键按下返回0x7f*/
/*如果shift按下，返回值最高位为1*/
extern void delay_ms(unsigned int time);
unsigned char scan_key(void)
{
unsigned char i,temp;
unsigned shift=0;