Seeker of Truth , / Mbed 2 deprecated freemaster_write2master_working

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Dependencies:   mbed

Fork of freemaster_write2master_working by green rosh

main.cpp

Committer:
viswachaitanya
Date:
2014-12-06
Revision:
0:9ea68477caaf
Child:
1:8e4b5e1f8039

File content as of revision 0:9ea68477caaf:

#include "mbed.h"

const int addr = 0x20;                     //slave address 
I2C master (D14,D15);                      //configure pins p27,p28 as I2C master
Serial pc (USBTX,USBRX);

void main()
{
    printf("press backspace for master to start \n\r");
    while(1){
        if(pc.getc()==8){
            bool ack0 =true; 
            char *data =  new char;
            *data = 'b';
            bool loopvariable0 = true;
            while(loopvariable0){
                printf("2 master clk freq setup and addressing slave\n\r");
                master.frequency(100000);                       //set clock frequency
                master.start();                                 //initiating the data transfer
                ack0 = (bool) master.read(addr,data,1);
                if(!ack0){
                    printf("3 master has read %c from slave\n\r",*data);
                    loopvariable0=false;
                }
            }
            printf("done\n\r");
        }
    }
}