Tedd OKANO / Mbed 2 deprecated i2c_demo

demo program

Dependencies:   mbed

main.cpp

Committer:
okano
Date:
2015-05-29
Revision:
0:236c04f081b4

File content as of revision 0:236c04f081b4:

#include "mbed.h"

I2C i2c( p28, p27 );    //  SDA, SCL

int main() {
    char    a[ 2 ];
    
    a[ 0 ]  = 0x08; //  register address for write
    a[ 1 ]  = 0x52; //  writing data
        
    char    w[ 1 ]; 
    char    r[ 1 ]; //  buffer for read
    
    w[ 0 ]  = 0x08; //  register address for read
    
    while(1) {
        //  writing
        i2c.write( 0x02, a, 2 );
        wait( 0.001 );
        
        //  reading
        i2c.write( 0x02, w, 1 );
        i2c.read( 0x02, r, 1 );
        wait( 0.003 );

        printf( "register read : 0x%02X\r\n", r[ 0 ] );
    }
}