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_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?
User | Revision | Line number | New 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 |