Hotboards MX / Mbed 2 deprecated Hotboards_HelloKeypad

Demonstrates the simplest use of the matrix Keypad library.

Dependencies:   Hotboards_keypad mbed

Fork of HelloKeypad by Roman Valencia

Files at this revision

API Documentation at this revision

Revision 0:387ee84bc5dc, committed 2016-03-08

Comitter:
RomanValenciaP
Date:
Tue Mar 08 20:44:38 2016 +0000
Child:
1:29d7ab601f8f
Commit message:
first release

Changed in this revision

Hotboards_keypad.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hotboards_keypad.lib	Tue Mar 08 20:44:38 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/Hotboards/code/Hotboards_keypad/#e870110f753b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 08 20:44:38 2016 +0000
@@ -0,0 +1,42 @@
+
+#include "mbed.h"
+#include "Hotboards_keypad.h"
+
+// Defines the keys array with it's respective number of rows & cols,
+// and with the value of each key
+char keys[ 4 ][ 4 ] =
+{
+    { '1' , '2' , '3' , 'A' },
+    { '4' , '5' , '6' , 'B' },
+    { '7' , '8' , '9' , 'C' },
+    { '*' , '0' , '#' , 'D' }
+};
+
+// Defines the pins connected to the rows
+DigitalInOut rowPins[ 4 ] = { PA_6 , PA_7 , PB_6 , PC_7 };
+// Defines the pins connected to the cols
+DigitalInOut colPins[ 4 ] = { PA_8 , PB_10 , PB_4 , PB_5 };
+
+// Creates a new keyboard with the values entered before
+Keypad kpd( makeKeymap( keys ) , rowPins , colPins , 4 , 4 );
+
+// Configures the serial port
+Serial pc( USBTX , USBRX );
+
+int main()
+{
+    pc.printf( "Press any key: " );
+    while(1)
+    {
+        // Poll the keypad to look for any activation
+        char key = kpd.getKey( );
+        
+        // If any key was pressed
+        if( key )
+        {
+            // Display the key pressed on serial port
+            pc.printf( "%c" , key );
+            pc.printf( "\n\r" );
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Mar 08 20:44:38 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/87f2f5183dfb
\ No newline at end of file