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_complex.cpp@4:0564f82dd0ef, 2020-08-01 (annotated)

Committer:
kenjiArai
Date:
Sat Aug 01 07:49:39 2020 +0000
Revision:
4:0564f82dd0ef
Parent:
3:0c888cad9376
Child:
5:53fb9eed6b67
changed pc.printf to printf

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 2:aa6fdecebf2b 4 * Copyright (c) 2020 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 4:0564f82dd0ef 8 * Revised: August 1st, 2020
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 COMPLEX
kenjiArai 2:aa6fdecebf2b 14 #ifdef COMPLEX
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 2:aa6fdecebf2b 21 #define A_SW 24 // see key_table[25] = A
kenjiArai 2:aa6fdecebf2b 22 #define B_SW 3 // see key_table[3] = B
kenjiArai 2:aa6fdecebf2b 23 #define C_SW 8 // see key_table[8] = C
kenjiArai 2:aa6fdecebf2b 24
kenjiArai 2:aa6fdecebf2b 25 // Object ---------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 26 DigitalOut my_led(D13);
kenjiArai 2:aa6fdecebf2b 27 //DigitalOut my_led(LED1);
kenjiArai 2:aa6fdecebf2b 28 DigitalOut led0(A0);
kenjiArai 2:aa6fdecebf2b 29 DigitalOut led1(A1);
kenjiArai 2:aa6fdecebf2b 30 DigitalOut led2(A2);
kenjiArai 3:0c888cad9376 31 // X Y Z W V A B C D E OUT(XYZWV), IN(ABCDE)
kenjiArai 3:0c888cad9376 32 Keypad key(D11, D10, D9, D8, D7, D6, D5, D4, D3, D2);
kenjiArai 2:aa6fdecebf2b 33
kenjiArai 2:aa6fdecebf2b 34 // RAM ------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 35
kenjiArai 2:aa6fdecebf2b 36 // ROM / Constant data --------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 37 // key_table[0]=? is not used!
kenjiArai 2:aa6fdecebf2b 38 // 1 2 3 4 5
kenjiArai 2:aa6fdecebf2b 39 const char key_table[] = {NUL,
kenjiArai 2:aa6fdecebf2b 40 '*', 'G', 'B', '6', '1', // 1
kenjiArai 2:aa6fdecebf2b 41 '/', 'H', 'C', '7', '2', // 2
kenjiArai 2:aa6fdecebf2b 42 CR, '-', 'D', '8', '3', // 3
kenjiArai 2:aa6fdecebf2b 43 SPC, '+', 'E', '9', '4', // 4
kenjiArai 2:aa6fdecebf2b 44 BS, '=', 'F', 'A', '5', // 5
kenjiArai 2:aa6fdecebf2b 45 NUL
kenjiArai 2:aa6fdecebf2b 46 };
kenjiArai 2:aa6fdecebf2b 47
kenjiArai 2:aa6fdecebf2b 48 // Function prototypes --------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 49
kenjiArai 2:aa6fdecebf2b 50 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 51 // Control Program
kenjiArai 2:aa6fdecebf2b 52 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 53 int main()
kenjiArai 2:aa6fdecebf2b 54 {
kenjiArai 2:aa6fdecebf2b 55 uint32_t key_num;
kenjiArai 2:aa6fdecebf2b 56 uint32_t counter = 0;
kenjiArai 2:aa6fdecebf2b 57
kenjiArai 4:0564f82dd0ef 58 printf("Start Key-Pad test 5x5 keys and/or state hold switch\r\n");
kenjiArai 2:aa6fdecebf2b 59 while(true) {
kenjiArai 2:aa6fdecebf2b 60 while ((key_num = key.read()) != 0) {
kenjiArai 4:0564f82dd0ef 61 printf("%2u:[%2d] %c\r\n",
kenjiArai 2:aa6fdecebf2b 62 counter++, key_num, key_table[key_num]);
kenjiArai 2:aa6fdecebf2b 63 }
kenjiArai 2:aa6fdecebf2b 64 if (key.read_state(A_SW) == true) {
kenjiArai 2:aa6fdecebf2b 65 led0 = 1;
kenjiArai 2:aa6fdecebf2b 66 } else {
kenjiArai 2:aa6fdecebf2b 67 led0 = 0;
kenjiArai 2:aa6fdecebf2b 68 }
kenjiArai 2:aa6fdecebf2b 69 if (key.read_state(B_SW) == true) {
kenjiArai 2:aa6fdecebf2b 70 led1 = 1;
kenjiArai 2:aa6fdecebf2b 71 } else {
kenjiArai 2:aa6fdecebf2b 72 led1 = 0;
kenjiArai 2:aa6fdecebf2b 73 }
kenjiArai 2:aa6fdecebf2b 74 if (key.read_state(C_SW) == true) {
kenjiArai 2:aa6fdecebf2b 75 led2 = 1;
kenjiArai 2:aa6fdecebf2b 76 } else {
kenjiArai 2:aa6fdecebf2b 77 led2 = 0;
kenjiArai 2:aa6fdecebf2b 78 }
kenjiArai 2:aa6fdecebf2b 79 wait_us(100000);
kenjiArai 2:aa6fdecebf2b 80 }
kenjiArai 2:aa6fdecebf2b 81 }
kenjiArai 2:aa6fdecebf2b 82
kenjiArai 2:aa6fdecebf2b 83 #endif // #ifdef COMPLEX