Rob Toulson / Mbed 2 deprecated PE_06-05_ModularCodeExample

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

Dependencies:   mbed

HostIO.cpp

Committer:
robt
Date:
2012-10-15
Revision:
0:507436d37d5e

File content as of revision 0:507436d37d5e:

/* Program Example 6.8: HostIO.cpp code for modular 7-seg keyboard controller 
                                                                            */
#include "HostIO.h"

Serial pc(USBTX, USBRX);       // communication to host PC

void HostInit(void) {
  pc.printf("\n\rType two digit numbers to be \n\r");
}

char GetKeyInput(void) {
  char c = pc.getc();    // get keyboard ascii data
  pc.printf("%c",c);     // print ascii value to host PC terminal
  return (c&0x0F);       // return value as non-ascii 
}