51单片机 I2C AT24C02
//程序问题:无法写入
#include
#define uint unsigned int
#define uchar unsigned char
//变量定义
uint timer_flag;
uchar shiwei,gewei;
uint number;
uchar time_date;
//控制端口声明
sbit duanxuan=P2^6;
sbit weixuan=P2^7;
sbit AT24C02_SDA=P2^0;
sbit AT24C02_SCLK=P2^1;
//数码管显示数字段码定义
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
//相关函数声明
void delay_minute();
void delay_xs(uint);
void timer_init();
void AT24C02_init();
void star();
void stop();