File content as of revision 3:6d888ac31d2c:

#include "mbed.h"
//#include <bitset>
#include "MMA8452.h"


// I2C i2c(p28,p27);
Accelerometer_MMA8452 accelerometer(p28, p27, 40000);
//Accelerometer_MMA8452 acclerometer(p28, p29);

Serial pc(USBTX, USBRX);
DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);

int main() {
    led1 = 0;
    led2 = 0;
    led3 = 0;
    char cmd[6];
    char add[1];
    char init[2];
    add[0] = OUT_X_MSB;                  // x-axis register
    init[0] = CTRL_REG_1;                 // control register 1
    init[1] = 0x01;                 // set to active
    int number=0;
    //i2c.frequency(40000);

    // just playing with address values
    char mcu_address = 0x00;
    pc.printf("\nmcu_address is: 0x%x ", mcu_address);
    mcu_address = MMA8452_ADDRESS;
    pc.printf("\nmcu_address is: 0x%x ", mcu_address);
    mcu_address = (MMA8452_ADDRESS<< 1);           // shifting address by 1 bit as i2c is a 7 bit encoding, and this is 8bit encoded
    pc.printf("\nmcu_address is now : 0x%x ", mcu_address);
    
    wait(0.5);
    //init
    //set active mode
    pc.printf("\nWriting to master register\n"); 
    // while(i2c.write(mcu_address,init,2));
    for (int i=0;i<=400;i++)
        {
        if (accelerometer.activate()==0)
        {
            led1 = 1;
            led2 = 1;
            led3 = 1;
            pc.printf("\nActivated chip\n"); 
            wait(0.5);
            /*int x=0;int y=0;int z=0;
            for(int i=0; i<20;i++)
            {
                z = accelerometer.read_z();
                x = accelerometer.read_x();
                y = accelerometer.read_y();
                
                pc.printf("\nAxis acceleration in x is: %i  , y is: %i, z is %z \n", x,y,z);
                wait(3);
            }
            */       
        }
        else
        {
            pc.printf("Could not activate the chip\n");
        }
        pc.printf("In loop %d, of repeated initialisation.\n",i); i++;
     }   
    
    //get analog data
    pc.printf("Getting analog data");
    /*
    while(1) 
    {
        //send procedure
        wait(0.07);
        switch(number){
        case 0:
            if(i2c.write(mcu_address,add,1) == 0){
                number++;
                pc.printf("In case 0 loop. The number is: %d \n", number);
                led1 = 1;
            }else{
                number=0;
                pc.printf("In case 0 loop. The number is reset to: %d \n", number);
                led1 = 0;
                led2 = 0;
                led3 = 1;
            }
            break;
        case 1:
            if(i2c.read(mcu_address,cmd,6) == 0){
                number++;
                pc.printf("In case 1 loop. The number is: %d \n", number);
                led2 = 1;
            }else{
                number=0;
                pc.printf("In case 1 loop. The number is reset to: %d \n", number);
                led1 = 0;
                led2 = 0;
                led3 = 0;
            }
            break;    
        case 2:
            //get analog data
            pc.printf("\r X = %d,Y = %d,Z = %d                \n",cmd[1],cmd[3],cmd[5]);
            led3 = 1;
            wait(0.5);
            led1 = 0;
            led2 = 0;
            led3 = 0;
            number=0;
            break;
        }
    }*/
    
}