File content as of revision 4:8e796b751cd3:

//#include "mbed.h"
// 
//SPI spi(A1, A2, A3); // mosi, miso, sclk
//DigitalOut cs(A0);
//
//uint8_t tx_buf[32] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V'};
//
//int main() {
//    // Chip must be deselected
//    cs = 1;
// 
//    // Setup the spi for 8 bit data, high steady state clock,
//    // second edge capture, with a 1MHz clock rate
//    spi.format(8,1);
//    spi.frequency(8000000);
// 
//    // Select the device by seting chip select low
//    cs = 0;
// 
//    for(int i=0; i<32; i++)
//        spi.write(tx_buf[i]);
//    printf("End of transmission \r\n");
//     
//    // Deselect the device
//    cs = 1;
//}

#include "mbed.h"

#include "SPISlave_multiByte.h"
SPISlave_multiByte device(A1, A2, A3, p3); // mosi, miso, sclk, ssel
Serial uart(USBTX, USBRX);

#define TXRX_LENGTH 16  //max is 16
int main() {
    uart.printf("START!");
    device.format(8,1);    
    device.frequency(8000000);
    
   device.reply((uint8_t*)"xyz", TXRX_LENGTH);
   while(1) {
       if(device.receive(TXRX_LENGTH)) {
           int ret = device.read();   // Read byte from master
           uart.printf("ret = %s ", ret);
                        
       }
   }
}