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_3x4.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 * example:
kenjiArai 2:aa6fdecebf2b 4 * Akizuki AE-KIT45-KEYPAD4X3
kenjiArai 2:aa6fdecebf2b 5 * http://akizukidenshi.com/catalog/g/gK-12229/
kenjiArai 2:aa6fdecebf2b 6 *
kenjiArai 5:53fb9eed6b67 7 * Copyright (c) 2017,'20,'21 Kenji Arai / JH1PJL
kenjiArai 2:aa6fdecebf2b 8 * http://www7b.biglobe.ne.jp/~kenjia/
kenjiArai 2:aa6fdecebf2b 9 * https://os.mbed.com/users/kenjiArai/
kenjiArai 2:aa6fdecebf2b 10 * Created: September 27th, 2017
kenjiArai 5:53fb9eed6b67 11 * Revised: February 18th, 2021
kenjiArai 2:aa6fdecebf2b 12 */
kenjiArai 2:aa6fdecebf2b 13
kenjiArai 2:aa6fdecebf2b 14 // Pre-selection --------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 15 #include "select_example.h"
kenjiArai 2:aa6fdecebf2b 16 //#define KEY3X4
kenjiArai 2:aa6fdecebf2b 17 #ifdef KEY3X4
kenjiArai 2:aa6fdecebf2b 18
kenjiArai 2:aa6fdecebf2b 19 // Include --------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 20 #include "mbed.h"
kenjiArai 2:aa6fdecebf2b 21 #include "Keypad.h"
kenjiArai 2:aa6fdecebf2b 22
kenjiArai 2:aa6fdecebf2b 23 // Definition -----------------------------------------------------------------
kenjiArai 5:53fb9eed6b67 24 #if (MBED_MAJOR_VERSION == 2) || (MBED_MAJOR_VERSION == 5)
kenjiArai 5:53fb9eed6b67 25 # define WAIT_100MS() {wait_us(100000);}
kenjiArai 5:53fb9eed6b67 26 #else
kenjiArai 5:53fb9eed6b67 27 # define WAIT_100MS() {ThisThread::sleep_for(100ms);}
kenjiArai 5:53fb9eed6b67 28 #endif
kenjiArai 2:aa6fdecebf2b 29
kenjiArai 2:aa6fdecebf2b 30 // Object ---------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 31 DigitalOut my_led(LED1);
kenjiArai 3:0c888cad9376 32 // X Y Z A B C D OUT(XYZ), IN(ABCD)
kenjiArai 3:0c888cad9376 33 Keypad key(D11, D10, D9, D6, D5, D4, D3);
kenjiArai 2:aa6fdecebf2b 34
kenjiArai 2:aa6fdecebf2b 35 // RAM ------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 36
kenjiArai 2:aa6fdecebf2b 37 // ROM / Constant data --------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 38 // X*A = *, X*B = 7, X*C = 4, X*D = 1
kenjiArai 2:aa6fdecebf2b 39 // Y*A = 0, Y*B = 8, Y*C = 5, Y*D = 2
kenjiArai 2:aa6fdecebf2b 40 // Z*A = #, Z*B = 9, Z*C = 6, Z*D = 3
kenjiArai 2:aa6fdecebf2b 41 // key_table[0]=? is not used!
kenjiArai 2:aa6fdecebf2b 42 const char *const key_table = "?*7410852#963";
kenjiArai 2:aa6fdecebf2b 43 // 123456789012
kenjiArai 2:aa6fdecebf2b 44
kenjiArai 2:aa6fdecebf2b 45 // Function prototypes --------------------------------------------------------
kenjiArai 5:53fb9eed6b67 46 extern void print_revision(void);
kenjiArai 2:aa6fdecebf2b 47
kenjiArai 2:aa6fdecebf2b 48 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 49 // Control Program
kenjiArai 2:aa6fdecebf2b 50 //------------------------------------------------------------------------------
kenjiArai 2:aa6fdecebf2b 51 int main()
kenjiArai 2:aa6fdecebf2b 52 {
kenjiArai 2:aa6fdecebf2b 53 uint32_t key_num;
kenjiArai 2:aa6fdecebf2b 54 uint32_t counter = 0;
kenjiArai 2:aa6fdecebf2b 55
kenjiArai 5:53fb9eed6b67 56 print_revision();
kenjiArai 4:0564f82dd0ef 57 printf("Start Key-Pad test 3x4 keys\r\n");
kenjiArai 2:aa6fdecebf2b 58 while(true) {
kenjiArai 2:aa6fdecebf2b 59 while ((key_num = key.read()) != 0) {
kenjiArai 4:0564f82dd0ef 60 printf("%2u:[%2d] %c\r\n",
kenjiArai 2:aa6fdecebf2b 61 counter++, key_num, *(key_table + key_num));
kenjiArai 2:aa6fdecebf2b 62 }
kenjiArai 5:53fb9eed6b67 63 WAIT_100MS();
kenjiArai 2:aa6fdecebf2b 64 }
kenjiArai 2:aa6fdecebf2b 65 }
kenjiArai 2:aa6fdecebf2b 66
kenjiArai 2:aa6fdecebf2b 67 #endif // #ifdef KEY3X4