Kenji Arai / Mbed OS Keypad_input

test program for keypad(Extended not only 3x4 but 4x4,4x5 and 5x5 keys)

Dependencies:   Keypad

Fork of study_step0 by Team_PjL

see /users/kenjiArai/notebook/keypadkey-matrix--control/

key_4x4.cpp@5:53fb9eed6b67, 2021-02-18 (annotated)

Committer:
kenjiArai
Date:
Thu Feb 18 08:15:37 2021 +0000
Revision:
5:53fb9eed6b67
Parent:
4:0564f82dd0ef 
run on  mbed-os6.6.0 (online compiler)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 2:aa6fdecebf2b 1 /*
kenjiArai 2:aa6fdecebf2b 2 * Mbed Application program
kenjiArai 2:aa6fdecebf2b 3 *
kenjiArai 5:53fb9eed6b67 4 * Copyright (c) 2020,'21 Kenji Arai / JH1PJL
kenjiArai 2:aa6fdecebf2b 5 * http://www7b.biglobe.ne.jp/~kenjia/
kenjiArai 2:aa6fdecebf2b 6 * https://os.mbed.com/users/kenjiArai/
kenjiArai 2:aa6fdecebf2b 7 * Created: April 5th, 2020
kenjiArai 5:53fb9eed6b67 8 * Revised: February 18th, 2021
kenjiArai 2:aa6fdecebf2b 9 */
kenjiArai 2:aa6fdecebf2b 10
kenjiArai 2:aa6fdecebf2b 11 // Pre-selection --------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 12 #include "select_example.h"
kenjiArai 2:aa6fdecebf2b 13 //#define KEY4X4
kenjiArai 2:aa6fdecebf2b 14 #ifdef KEY4X4
kenjiArai 2:aa6fdecebf2b 15
kenjiArai 2:aa6fdecebf2b 16 // Include --------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 17 #include "mbed.h"
kenjiArai 2:aa6fdecebf2b 18 #include "Keypad.h"
kenjiArai 2:aa6fdecebf2b 19
kenjiArai 2:aa6fdecebf2b 20 // Definition -----------------------------------------------------------------
kenjiArai 5:53fb9eed6b67 21 #if (MBED_MAJOR_VERSION == 2) || (MBED_MAJOR_VERSION == 5)
kenjiArai 5:53fb9eed6b67 22 # define WAIT_100MS() {wait_us(100000);}
kenjiArai 5:53fb9eed6b67 23 #else
kenjiArai 5:53fb9eed6b67 24 # define WAIT_100MS() {ThisThread::sleep_for(100ms);}
kenjiArai 5:53fb9eed6b67 25 #endif
kenjiArai 2:aa6fdecebf2b 26
kenjiArai 2:aa6fdecebf2b 27 // Object ---------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 28 DigitalOut my_led(LED1);
kenjiArai 3:0c888cad9376 29 // X Y Z W A B C D OUT(XYZW), IN(ABCD)
kenjiArai 3:0c888cad9376 30 Keypad key(D11, D10, D9, D8, D6, D5, D4, D3);
kenjiArai 2:aa6fdecebf2b 31
kenjiArai 2:aa6fdecebf2b 32 // RAM ------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 33
kenjiArai 2:aa6fdecebf2b 34 // ROM / Constant data --------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 35 // X*A = *, X*B = 7, X*C = 4, X*D = 1
kenjiArai 2:aa6fdecebf2b 36 // Y*A = 0, Y*B = 8, Y*C = 5, Y*D = 2
kenjiArai 2:aa6fdecebf2b 37 // Z*A = #, Z*B = 9, Z*C = 6, Z*D = 3
kenjiArai 2:aa6fdecebf2b 38 // W*A = A, W*B = B, W*C = C, W*D = D
kenjiArai 2:aa6fdecebf2b 39 // key_table[0]=? is not used!
kenjiArai 2:aa6fdecebf2b 40 const char *const key_table = "?*7410852#963ABCD";
kenjiArai 2:aa6fdecebf2b 41 // 1234567890123456
kenjiArai 2:aa6fdecebf2b 42
kenjiArai 2:aa6fdecebf2b 43 // Function prototypes --------------------------------------------------------
kenjiArai 5:53fb9eed6b67 44 extern void print_revision(void);
kenjiArai 2:aa6fdecebf2b 45
kenjiArai 2:aa6fdecebf2b 46 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 47 // Control Program
kenjiArai 2:aa6fdecebf2b 48 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 49 int main()
kenjiArai 2:aa6fdecebf2b 50 {
kenjiArai 2:aa6fdecebf2b 51 uint32_t key_num;
kenjiArai 2:aa6fdecebf2b 52 uint32_t counter = 0;
kenjiArai 2:aa6fdecebf2b 53
kenjiArai 5:53fb9eed6b67 54 print_revision();
kenjiArai 4:0564f82dd0ef 55 printf("Start Key-Pad test 4x4 keys\r\n");
kenjiArai 2:aa6fdecebf2b 56 while(true) {
kenjiArai 2:aa6fdecebf2b 57 while ((key_num = key.read()) != 0) {
kenjiArai 4:0564f82dd0ef 58 printf("%2u:[%2d] %c\r\n",
kenjiArai 2:aa6fdecebf2b 59 counter++, key_num, *(key_table + key_num));
kenjiArai 2:aa6fdecebf2b 60 }
kenjiArai 5:53fb9eed6b67 61 WAIT_100MS();
kenjiArai 2:aa6fdecebf2b 62 }
kenjiArai 2:aa6fdecebf2b 63 }
kenjiArai 2:aa6fdecebf2b 64
kenjiArai 2:aa6fdecebf2b 65 #endif // #ifdef KEY4X4