lu sheng / Mbed 2 deprecated Nucleo_PCF8574_led_iic

Nucleo_PCF8574_led_iic

Dependencies:   PCF8574 mbed

main.cpp

Committer:
anywill
Date:
2016-10-27
Revision:
0:8cb68b6fa38d

File content as of revision 0:8cb68b6fa38d:


#include "mbed.h"
#include "PCF8574.h"

PCF8574 io(D14,D15,0x70);//iic 设置:D14 SDA,D15 SCL

int main()
{
   while(1) 
    {
     io.write(0x0);
        if ((io.read()) == 16) 
        {
         io.write(0x01);
        }
        else if((io.read()) == 32)
        {
         io.write(0x02);
        }
        else if((io.read()) == 64)
        {
         io.write(0x04);
        }
        else if((io.read()) == 128)
        {
         io.write(0x08);
        }
    }
}