File content as of revision 1:dc6884f965e1:

#include "mbed.h"

SPI           acc(D11, D12, D13);
DigitalOut    cs(D7);

Serial        pc(USBTX, USBRX);
char          buffer[6];
int16_t       data[3];
float         x,y,z;
unsigned char *chptr;

void sendFloat(float);

int main(){
    pc.baud(115200);
    cs=1;
    acc.format(8,3);
    acc.frequency(2000000);
    cs=0;
    acc.write(0x31);
    acc.write(0x0B);
    cs=1;
    cs=0;
    acc.write(0x2D);
    acc.write(0x08);
    cs=1;
       while (1){
         wait(0.01);
         cs=0;
         acc.write(0x80|0x40|0x32);
         for (int i=0; i<=5; i++){
             buffer[i]=acc.write(0x00);
             }
    cs=1;
    data[0] = buffer[1]<<8 | buffer[0];
    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];
    
    pc.putc(0xAA);
    pc.putc(0xBB);
    sendFloat(x);
    sendFloat(y);
    sendFloat(z);
      }
}


void sendFloat (float value){
    chptr = (unsigned char*) &value;
    for (int i=0; i<4; i++)
    pc.putc(*(chptr+i));
    }