test program for keypad(Extended not only 3x4 but 4x4,4x5 and 5x5 keys)
Fork of study_step0 by
see /users/kenjiArai/notebook/keypadkey-matrix--control/
Diff: key_3x4.cpp
- Revision:
- 3:0c888cad9376
- Parent:
- 2:aa6fdecebf2b
- Child:
- 4:0564f82dd0ef
diff -r aa6fdecebf2b -r 0c888cad9376 key_3x4.cpp --- a/key_3x4.cpp Mon Apr 06 04:57:04 2020 +0000 +++ b/key_3x4.cpp Mon Apr 13 02:07:09 2020 +0000 @@ -8,7 +8,7 @@ * http://www7b.biglobe.ne.jp/~kenjia/ * https://os.mbed.com/users/kenjiArai/ * Created: September 27th, 2017 - * Revised: April 6th, 2020 + * Revised: April 13th, 2020 */ // Pre-selection -------------------------------------------------------------- @@ -25,10 +25,8 @@ // 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); -// X Y Z A B C D OUT(XYZ), IN(ABCD) -//Keypad key(D10, D9, D8, D6, D5, D4, D3); +// X Y Z A B C D OUT(XYZ), IN(ABCD) +Keypad key(D11, D10, D9, D6, D5, D4, D3); // RAM ------------------------------------------------------------------------ @@ -50,7 +48,7 @@ uint32_t key_num; uint32_t counter = 0; - pc.printf("Start Key-Pad test\r\n"); + pc.printf("Start Key-Pad test 3x4 keys\r\n"); while(true) { while ((key_num = key.read()) != 0) { pc.printf("%2u:[%2d] %c\r\n",