Lee Nam Cheol / Mbed OS lab04-i2c-master

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

main.cpp

Committer:
namcheol
Date:
2020-04-27
Revision:
2:b7fe18d989bc
Parent:
1:89d23c8072af

File content as of revision 2:b7fe18d989bc:

#include "mbed.h"

I2C i2c(I2C_SDA, I2C_SCL);  //i2c = (I2C_SDA, I2C_SCL)
DigitalIn sw(D0, PullDown); //sw = D0(PullDown)

const int addr = 0xa0;      //slave addr (even no.)

int main()
{
    while(true) {
        if(sw == 1) {       //if switch is on(pressed)
            i2c.start();    //start condition
            i2c.write(addr | 0x00); //write (addr | WRTIE)
            i2c.write('1');    //write '1'
            i2c.stop();        //stop condition
            thread_sleep_for(200);
        }
    }
}