File content as of revision 0:e7803aa951be:

#include "mbed.h"

SPI acc(p9,p11,p8); // setup SPI interface on pins 9,11,8. MOSI, MISO, SCK

DigitalOut cs(p10); // use pin 10 as chip select

Serial pc(USBTX, USBRX); // setup USB interface  (change to set up BLE)

char buffer[6]; // raw data array type char

signed short data[3]; // acc data is signed 16 bit from -32,768 to +32,767

float x, y, z; // floating point data

int main() {
    cs=1;
    acc.format(8,3); // 8 bit data, Mode 3
    acc.frequency(2000000); // 2MHz clock rate
    cs=0;
    acc.write(0x31); // data format register, select 4 wire mode
    acc.write(0x0B); // format +/-16g, 0.004g/LSB
    cs=1;
    cs=0;
    acc.write(0x2D); // power ctrl register
    acc.write(0x08); // measure mode
    cs=1;
    while (1) { // infinite loop
        wait(0.2);
        cs=0;
        acc.write(0x80|0x40|0x32); // RW bit high, MB bit high, plus address
        for (int i = 0;i<=5;i++) {
            buffer[i]=acc.write(0x00); // read back 6 data bytes
            }
        cs=1;
    data[0] = buffer[1]<<8 | buffer[0]; // combine MSB and LSB
    data[1] = buffer[3]<<8 | buffer[2];
    data[2] = buffer[5]<<8 | buffer[4];
    x=0.004*data[0]; y=0.004*data[1]; z=0.004*data[2]; // convert to floating point
    pc.printf("x = %+1.2fg\t y = %+1.2fg\t z = %+1.2fg\n\r", x, y,z); //print to screen (change to publish)
    }
 }