Hardware Braille Simulator / Mbed 2 deprecated minimal_i2c_mother

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Dependencies:   mbed

Fork of minimal_i2c_mother by Nathan Hansen

master.cpp

Committer:
nghansen
Date:
2014-11-20
Revision:
0:d3bdf717512e
Child:
1:92677fbab5f1

File content as of revision 0:d3bdf717512e:

#include "mbed.h"

I2C Bus(p28, p27);
int slaveAddress;

Serial Usb(USBTX, USBRX);
char buffer[16] = {'T', 'e', 's', 't', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
int ack;

DigitalOut sent(LED1);
DigitalOut received(LED2);

void resetBus()
{
    Bus.stop();
    Bus.start();   
    return; 
}

int main() 
{
    slaveAddress = 0x02;
    resetBus();
    
    while (1) 
    {
        for(int i = 0; i < sizeof buffer; buffer[i++]=0x00);
        Usb.scanf("%s", buffer);
        Usb.printf("%s \n\r", buffer);
        
        ack = Bus.write(slaveAddress & 0xFE, buffer, 16);
        if(ack == 0)
            Usb.printf("  ...Ack \n\r");
                     
        ack = Bus.write(0, buffer, 16);
        if(ack == 0)
            Usb.printf("Ack from broadcast \n\r");
        
        Bus.read(slaveAddress | 1, buffer, 16, 0);
        Usb.printf("Received: %s \n\r", buffer);
    }
}