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/
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?
User | Revision | Line number | New 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 |