Coreonetech / Mbed 2 deprecated Nucleo_Keypad

keypad test for the CORE-1000

Dependencies:   mbed

Diff: main.cpp

Revision:
4:3f409a9fadf9
Parent:
2:b60cb847489c
--- a/main.cpp	Thu Nov 06 10:13:20 2014 +0000
+++ b/main.cpp	Fri Feb 03 07:55:34 2017 +0000
@@ -1,12 +1,29 @@
 #include "mbed.h"
 
-DigitalOut myled(LED1);
+DigitalOut clkout(PA_8);
+DigitalIn keyin(PB_4 );
+
+int oldkey;
+
+int getkey(void)
+{
+    int cnt;
+    int num = 0;
+    for(cnt = 1; cnt < 17; cnt++)
+    {
+        clkout = 0;
+        if(keyin == 0)   
+        num = cnt;
+        clkout = 1;
+    }        
+    return num;
+}
 
 int main() {
     while(1) {
-        myled = 1; // LED is ON
-        wait(0.2); // 200 ms
-        myled = 0; // LED is OFF
-        wait(1.0); // 1 sec
+    int newkey = getkey();
+    printf("key pressed = %d \n\r", newkey);
+    oldkey = newkey;
+    wait(0.2);
     }
 }