Rune Langoy / Mbed 2 deprecated 4x4KeyBoardExample

4x4 Keypad program using polling

Dependencies:   KeypadLib mbed

main.cpp@1:97784d3b39e7, 2015-09-19 (annotated)

Committer:
rlanghbv
Date:
Sat Sep 19 17:01:45 2015 +0000
Revision:
1:97784d3b39e7
Parent:
0:c72d94fc465d 
Lib Keypad changed name to KeypadLib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rlanghbv 0:c72d94fc465d 1 #include "mbed.h"
rlanghbv 0:c72d94fc465d 2 #include "keypad.h"
rlanghbv 0:c72d94fc465d 3
rlanghbv 0:c72d94fc465d 4 Serial pc(USBTX, USBRX);
rlanghbv 0:c72d94fc465d 5
rlanghbv 0:c72d94fc465d 6
rlanghbv 0:c72d94fc465d 7 int main() {
rlanghbv 0:c72d94fc465d 8 // c0 c1 c2 c3 r0 r1 r2 r3
rlanghbv 0:c72d94fc465d 9 Keypad keypad( PC_3,PC_2,PA_0,PA_1,PA_4,PB_0,PC_1,PC_0 );
rlanghbv 0:c72d94fc465d 10
rlanghbv 0:c72d94fc465d 11 keypad.enablePullUp();
rlanghbv 0:c72d94fc465d 12 char key;
rlanghbv 0:c72d94fc465d 13 pc.printf("Please touch a key on the keypad\n\r");
rlanghbv 0:c72d94fc465d 14 while (1)
rlanghbv 0:c72d94fc465d 15 {
rlanghbv 0:c72d94fc465d 16 key = keypad.getKey();
rlanghbv 0:c72d94fc465d 17 if(key != KEY_RELEASED)
rlanghbv 0:c72d94fc465d 18 {
rlanghbv 0:c72d94fc465d 19 pc.printf("%c\r\n",key);
rlanghbv 0:c72d94fc465d 20 wait(0.6);
rlanghbv 0:c72d94fc465d 21 }
rlanghbv 0:c72d94fc465d 22 }
rlanghbv 0:c72d94fc465d 23 }