
test program for keypad(Extended not only 3x4 but 4x4,4x5 and 5x5 keys)
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see /users/kenjiArai/notebook/keypadkey-matrix--control/
Diff: main.cpp
- Revision:
- 2:aa6fdecebf2b
- Parent:
- 1:abadd53f2072
- Child:
- 3:0c888cad9376
--- a/main.cpp Sat Sep 30 23:29:05 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -/* - * Mbed Application program / Akizuki AE-KIT45-KEYPAD4X3 - * http://akizukidenshi.com/catalog/g/gK-12229/ - * - * Copyright (c) 2017 Kenji Arai / JH1PJL - * http://www.page.sannet.ne.jp/kenjia/index.html - * http://mbed.org/users/kenjiArai/ - * Created: September 27th, 2017 - * Revised: October 1st, 2017 - */ - -// Include -------------------------------------------------------------------- -#include "mbed.h" -#include "Keypad.h" - -// Definition ----------------------------------------------------------------- - -// Object --------------------------------------------------------------------- -DigitalOut my_led(LED1); -Serial pc(USBTX,USBRX); - // X Y Z A B C D OUT(XYZ), IN(ABCD) -Keypad key(D10, D9, D8, D7, D6, D5, D4); - -// RAM ------------------------------------------------------------------------ - -// ROM / Constant data -------------------------------------------------------- - // X*A = *, X*B = 7, X*C = 4, X*D = 1 - // Y*A = 0, Y*B = 8, Y*C = 5, Y*D = 2 - // Z*A = #, Z*B = 9, Z*C = 6, Z*D = 3 -char *const key_table = "?*7410852#963"; // key_table[0]=? is not used! - -// Function prototypes -------------------------------------------------------- - -//------------------------------------------------------------------------------ -// Control Program -//------------------------------------------------------------------------------ -int main() { - uint32_t key_num; - uint32_t counter = 0; - - pc.printf("Start Key-Pad test\r\n"); - while(true) { - while ((key_num = key.read()) != 0){ - pc.printf("%04u : %c\r\n", counter++, *(key_table + key_num)); - } - wait(0.1); - } -}