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@2:aa6fdecebf2b, 2020-04-06 (annotated)

Committer:
kenjiArai
Date:
Mon Apr 06 04:57:04 2020 +0000
Revision:
2:aa6fdecebf2b
Child:
3:0c888cad9376
Extended not only 3x4 but 4x4,4x5 and 5x5 keys

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 2:aa6fdecebf2b 8 * Revised: April 6th, 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 2:aa6fdecebf2b 31 Serial pc(USBTX,USBRX);
kenjiArai 2:aa6fdecebf2b 32 // X Y Z W V A B C D E OUT(XYZWV), IN(ABCDE)
kenjiArai 2:aa6fdecebf2b 33 Keypad key(D6, D5, D4, D3, D2, D11, D10, D9, D8, D7);
kenjiArai 2:aa6fdecebf2b 34
kenjiArai 2:aa6fdecebf2b 35 // RAM ------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 36
kenjiArai 2:aa6fdecebf2b 37 // ROM / Constant data --------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 38 // key_table[0]=? is not used!
kenjiArai 2:aa6fdecebf2b 39 // 1 2 3 4 5
kenjiArai 2:aa6fdecebf2b 40 const char key_table[] = {NUL,
kenjiArai 2:aa6fdecebf2b 41 '*', 'G', 'B', '6', '1', // 1
kenjiArai 2:aa6fdecebf2b 42 '/', 'H', 'C', '7', '2', // 2
kenjiArai 2:aa6fdecebf2b 43 CR, '-', 'D', '8', '3', // 3
kenjiArai 2:aa6fdecebf2b 44 SPC, '+', 'E', '9', '4', // 4
kenjiArai 2:aa6fdecebf2b 45 BS, '=', 'F', 'A', '5', // 5
kenjiArai 2:aa6fdecebf2b 46 NUL
kenjiArai 2:aa6fdecebf2b 47 };
kenjiArai 2:aa6fdecebf2b 48
kenjiArai 2:aa6fdecebf2b 49 // Function prototypes --------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 50
kenjiArai 2:aa6fdecebf2b 51 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 52 // Control Program
kenjiArai 2:aa6fdecebf2b 53 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 54 int main()
kenjiArai 2:aa6fdecebf2b 55 {
kenjiArai 2:aa6fdecebf2b 56 uint32_t key_num;
kenjiArai 2:aa6fdecebf2b 57 uint32_t counter = 0;
kenjiArai 2:aa6fdecebf2b 58
kenjiArai 2:aa6fdecebf2b 59 pc.printf("Start Key-Pad test\r\n");
kenjiArai 2:aa6fdecebf2b 60 while(true) {
kenjiArai 2:aa6fdecebf2b 61 while ((key_num = key.read()) != 0) {
kenjiArai 2:aa6fdecebf2b 62 pc.printf("%2u:[%2d] %c\r\n",
kenjiArai 2:aa6fdecebf2b 63 counter++, key_num, key_table[key_num]);
kenjiArai 2:aa6fdecebf2b 64 }
kenjiArai 2:aa6fdecebf2b 65 if (key.read_state(A_SW) == true) {
kenjiArai 2:aa6fdecebf2b 66 led0 = 1;
kenjiArai 2:aa6fdecebf2b 67 } else {
kenjiArai 2:aa6fdecebf2b 68 led0 = 0;
kenjiArai 2:aa6fdecebf2b 69 }
kenjiArai 2:aa6fdecebf2b 70 if (key.read_state(B_SW) == true) {
kenjiArai 2:aa6fdecebf2b 71 led1 = 1;
kenjiArai 2:aa6fdecebf2b 72 } else {
kenjiArai 2:aa6fdecebf2b 73 led1 = 0;
kenjiArai 2:aa6fdecebf2b 74 }
kenjiArai 2:aa6fdecebf2b 75 if (key.read_state(C_SW) == true) {
kenjiArai 2:aa6fdecebf2b 76 led2 = 1;
kenjiArai 2:aa6fdecebf2b 77 } else {
kenjiArai 2:aa6fdecebf2b 78 led2 = 0;
kenjiArai 2:aa6fdecebf2b 79 }
kenjiArai 2:aa6fdecebf2b 80 wait_us(100000);
kenjiArai 2:aa6fdecebf2b 81 }
kenjiArai 2:aa6fdecebf2b 82 }
kenjiArai 2:aa6fdecebf2b 83
kenjiArai 2:aa6fdecebf2b 84 #endif // #ifdef COMPLEX