key_complex.cpp

00001 /*
00002  * Mbed Application program
00003  *
00004  * Copyright (c) 2020 Kenji Arai / JH1PJL
00005  *  http://www7b.biglobe.ne.jp/~kenjia/
00006  *  https://os.mbed.com/users/kenjiArai/
00007  *      Created:    April      5th, 2020
00008  *      Revised:    April     13th, 2020
00009  */
00010 
00011 //  Pre-selection --------------------------------------------------------------
00012 #include    "select_example.h"
00013 //#define COMPLEX
00014 #ifdef COMPLEX
00015 
00016 //  Include --------------------------------------------------------------------
00017 #include "mbed.h"
00018 #include "Keypad.h"
00019 
00020 //  Definition -----------------------------------------------------------------
00021 #define A_SW    24      // see key_table[25] = A
00022 #define B_SW     3      // see key_table[3]  = B
00023 #define C_SW     8      // see key_table[8]  = C
00024 
00025 //  Object ---------------------------------------------------------------------
00026 DigitalOut  my_led(D13);
00027 //DigitalOut  my_led(LED1);
00028 DigitalOut  led0(A0);
00029 DigitalOut  led1(A1);
00030 DigitalOut  led2(A2);
00031 Serial      pc(USBTX,USBRX);
00032 //              X    Y    Z   W   V   A   B   C   D   E   OUT(XYZWV), IN(ABCDE)
00033 Keypad      key(D11, D10, D9, D8, D7, D6, D5, D4, D3, D2);
00034 
00035 //  RAM ------------------------------------------------------------------------
00036 
00037 //  ROM / Constant data --------------------------------------------------------
00038 //                       key_table[0]=? is not used!
00039 //                         1     2     3     4     5
00040 const char key_table[] = {NUL,
00041                           '*',  'G',  'B',  '6',  '1',    // 1
00042                           '/',  'H',  'C',  '7',  '2',    // 2
00043                           CR,   '-',  'D',  '8',  '3',    // 3
00044                           SPC,  '+',  'E',  '9',  '4',    // 4
00045                           BS,   '=',  'F',  'A',  '5',    // 5
00046                           NUL
00047                          };
00048 
00049 //  Function prototypes --------------------------------------------------------
00050 
00051 //------------------------------------------------------------------------------
00052 //  Control Program
00053 //------------------------------------------------------------------------------
00054 int main()
00055 {
00056     uint32_t key_num;
00057     uint32_t counter = 0;
00058 
00059     pc.printf("Start Key-Pad test 5x5 keys and/or state hold switch\r\n");
00060     while(true) {
00061         while ((key_num = key.read()) != 0) {
00062             pc.printf("%2u:[%2d] %c\r\n",
00063                       counter++, key_num, key_table[key_num]);
00064         }
00065         if (key.read_state(A_SW) == true) {
00066             led0 = 1;
00067         } else {
00068             led0 = 0;
00069         }
00070         if (key.read_state(B_SW) == true) {
00071             led1 = 1;
00072         } else {
00073             led1 = 0;
00074         }
00075         if (key.read_state(C_SW) == true) {
00076             led2 = 1;
00077         } else {
00078             led2 = 0;
00079         }
00080         wait_us(100000);
00081     }
00082 }
00083 
00084 #endif  // #ifdef COMPLEX