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@0:507436d37d5e, 2012-10-15 (annotated)

Committer:
robt
Date:
Mon Oct 15 21:23:48 2012 +0000
Revision:
0:507436d37d5e
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Who changed what in which revision?

UserRevisionLine numberNew contents of line
robt 0:507436d37d5e 1 /* Program Example 6.8: HostIO.cpp code for modular 7-seg keyboard controller
robt 0:507436d37d5e 2 */
robt 0:507436d37d5e 3 #include "HostIO.h"
robt 0:507436d37d5e 4
robt 0:507436d37d5e 5 Serial pc(USBTX, USBRX); // communication to host PC
robt 0:507436d37d5e 6
robt 0:507436d37d5e 7 void HostInit(void) {
robt 0:507436d37d5e 8 pc.printf("\n\rType two digit numbers to be \n\r");
robt 0:507436d37d5e 9 }
robt 0:507436d37d5e 10
robt 0:507436d37d5e 11 char GetKeyInput(void) {
robt 0:507436d37d5e 12 char c = pc.getc(); // get keyboard ascii data
robt 0:507436d37d5e 13 pc.printf("%c",c); // print ascii value to host PC terminal
robt 0:507436d37d5e 14 return (c&0x0F); // return value as non-ascii
robt 0:507436d37d5e 15 }