Revision 1:6c1368459e25, committed 2017-07-14

Comitter:

davidlenihan

Date:

Fri Jul 14 12:14:32 2017 +0000

Parent:

0:4bbd88022a6f

Commit message:

none
;

Changed in this revision

--- a/Keypad.h	Tue Apr 05 17:37:55 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,82 +0,0 @@
-/* Keypad Library v1.0
- * Copyright (c) 2016 Grant Phillips
- * grant.phillips@nmmu.ac.za
- *
- * This is a modified version of Riaan Ehlers' library which was written for the 
- * Microchip PIC18 series microcontrollers.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- 
-#ifndef Keypad_H
-#define Keypad_H
- 
-#include "mbed.h"
- 
-/** Class library for a polling-based 4x4 keypad.
- * 
- * Example:
- * @code
- * #include "mbed.h"
- * #include "Keypad.h"
- *
- * Keypad kpad(PE_15, PE_14, PE_13, PE_12, PE_11, PE_10, PE_9, PE_8);
- *
- * int main() {
- *     char key;
- *     int released = 1;
- *
- *     while(1){
- *         key = kpad.ReadKey();                   //read the current key pressed
- *
- *         if(key == '\0')
- *             released = 1;                       //set the flag when all keys are released
- *            
- *         if((key != '\0') && (released == 1)) {  //if a key is pressed AND previous key was released
- *             printf("%c\n", key);            
- *             released = 0;                       //clear the flag to indicate that key is still pressed
- *         }
- *     }
- * }
- * @endcode
- */
- 
-class Keypad {
-  public:
-    /** Create a Keypad object.
-    * @param col1..4 DigitalOut (or BusOut) compatible pins for keypad Column data lines
-    * @param row1..4 DigitalIn (or BusIn) compatible pins for keypad Row data lines
-    */
-    Keypad(PinName col1, PinName col2, PinName col3, PinName col4, PinName row1, PinName row2, PinName row3, PinName row4);
-    
-    /** Returns the letter of the key pressed.
-    * @param 
-    *     None
-    * @return 
-    *     The character of the key pressed.  Returns '\0' if no key is pressed.
-    */
-    char ReadKey();
-    
- 
-  private:
-    BusOut _cols;    
-    BusIn _rows;
-};
- 
-#endif
\ No newline at end of file