Diff: main.cpp

Revision:

1:abadd53f2072

Parent:

0:1672d0903bdc

--- a/main.cpp	Thu Aug 10 20:50:46 2017 +0000
+++ b/main.cpp	Sat Sep 30 23:29:05 2017 +0000
@@ -1,20 +1,48 @@
 /*
- * Mbed Application program / Study step1 -> LED Blinky
+ * Mbed Application program / Akizuki AE-KIT45-KEYPAD4X3
+ *  http://akizukidenshi.com/catalog/g/gK-12229/
  *
  * Copyright (c) 2017 Kenji Arai / JH1PJL
  *  http://www.page.sannet.ne.jp/kenjia/index.html
  *  http://mbed.org/users/kenjiArai/
- *      Created:    August    10th, 2017
- *      Revised:    August    10th, 2017
+ *      Created:    September 27th, 2017
+ *      Revised:    October    1st, 2017
  */
 
+//  Include --------------------------------------------------------------------
 #include "mbed.h"
+#include "Keypad.h"
+
+//  Definition -----------------------------------------------------------------
 
+//  Object ---------------------------------------------------------------------
 DigitalOut  my_led(LED1);
+Serial      pc(USBTX,USBRX);
+            //  X    Y   Z   A   B   C   D   OUT(XYZ), IN(ABCD)
+Keypad      key(D10, D9, D8, D7, D6, D5, D4);
+
+//  RAM ------------------------------------------------------------------------
 
+//  ROM / Constant data --------------------------------------------------------
+                        // X*A = *, X*B = 7, X*C = 4, X*D = 1
+                        // Y*A = 0, Y*B = 8, Y*C = 5, Y*D = 2
+                        // Z*A = #, Z*B = 9, Z*C = 6, Z*D = 3
+char *const key_table = "?*7410852#963";  // key_table[0]=? is not used!
+
+//  Function prototypes --------------------------------------------------------
+
+//------------------------------------------------------------------------------
+//  Control Program
+//------------------------------------------------------------------------------
 int main() {
-    while(1) {
-        my_led = !my_led;
-        wait(1.0);  
+    uint32_t key_num;
+    uint32_t counter = 0;
+
+    pc.printf("Start Key-Pad test\r\n");
+    while(true) {
+        while ((key_num = key.read()) != 0){
+            pc.printf("%04u : %c\r\n", counter++, *(key_table + key_num));
+        }
+        wait(0.1);  
     }
 }