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標(biāo)題: 單片機(jī)24cxx驅(qū)動(dòng)，更改管腳即可使用 [打印本頁(yè)]

作者: wang122684 時(shí)間: 2020-8-17 15:06
標(biāo)題: 單片機(jī)24cxx驅(qū)動(dòng)，更改管腳即可使用
24c02驅(qū)動(dòng)代碼。

void iic_star(void ) //iic start
{
            iic_scl = 1;             // scl保持
            iic_sda = 1;
            iic_delay();

            iic_sda = 0;                                           // sda下降跳變
            iic_delay();
            iic_scl = 0;

}

void iic_end(void)    // iic end
{
            iic_sda = 0;
            iic_delay();
            iic_scl = 1;
            iic_delay();
            iic_sda = 1;
            iic_delay();
}

void iic_write_byte(unsigned char dat)    //iic write byte
{
            unsigned char i,temp;
            temp = dat;

            for(i=0;i<8;i++)
                     {
                              temp = temp << 1;
                              iic_scl = 0;
                              iic_delay();
                              iic_sda = CY;
                              iic_delay();
                              iic_scl = 1;
                     }
                              iic_scl = 0;
                              iic_delay();
                              iic_sda = 1;
                              iic_delay();

}

30_gpio_iic_demo.zip

51.16 KB, 下載次數(shù): 11, 下載積分: 黑幣 -5

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