by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Dependencies:   mbed

main.cpp

Committer:
robt
Date:
2012-10-15
Revision:
0:493e035a4a1c

File content as of revision 0:493e035a4a1c:

/* Program Example 7.1: Sets up the mbed as SPI master, and continuously sends   
a single byte           
                                                                             */
#include "mbed.h"
SPI ser_port(p11, p12, p13); // mosi, miso, sclk
char switch_word ;           //word we will send



int main() {
  ser_port.format(8,0);        // Setup the SPI for 8 bit data, Mode 0 operation
  ser_port.frequency(1000000); // Clock frequency is 1MHz
  while (1){
    switch_word=0xA1;            //set up word to be transmitted
    ser_port.write(switch_word);  //send switch_word
    wait_us(50);
  }    
}