i2c.c

一个倒车雷达程序

#include<i2c.h>

void i2c_init(void)
{
I2CON=0X71;
TMOD=0X20;
TAMOD&=0XEF;
TH1=TL1=128;//波特率9600
}
void i2c_start(void)
{
uchar Display_off_l=0x00;
uchar Display_off_h=0x00;
uchar Address_setting_l=0xF8;
uchar Address_setting_h=0x00;
STA=1;
I2DAT=Address_setting_l;
while(!SI);
I2DAT=Address_setting_h;
while(!SI);

while(!SI);
I2DAT=Display_off_l;
while(!SI);
I2DAT=Display_off_h;
}
void i2c_stop(void)
{
STO=1;
}
void write_byte_m35055(uint dataout)
{
}