Rune Langoy
/
4x4KeyBoardExample
4x4 Keypad program using polling
main.cpp
- Committer:
- rlanghbv
- Date:
- 2015-09-19
- Revision:
- 0:c72d94fc465d
File content as of revision 0:c72d94fc465d:
#include "mbed.h" #include "keypad.h" Serial pc(USBTX, USBRX); int main() { // c0 c1 c2 c3 r0 r1 r2 r3 Keypad keypad( PC_3,PC_2,PA_0,PA_1,PA_4,PB_0,PC_1,PC_0 ); keypad.enablePullUp(); char key; pc.printf("Please touch a key on the keypad\n\r"); while (1) { key = keypad.getKey(); if(key != KEY_RELEASED) { pc.printf("%c\r\n",key); wait(0.6); } } }