Shivanand Gowda / Mbed 2 deprecated Qwerty_Keypad

Keypad

Dependencies:   Hotboards_keypad mbed

Files at this revision

API Documentation at this revision

Revision 2:61dd34b05a49, committed 2018-08-21

Comitter:
shivanandgowdakr
Date:
Tue Aug 21 10:56:52 2018 +0000
Parent:
1:e6112104a80f
Commit message:
Qwerty Keypad

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 Aug 21 10:56:52 2018 +0000
@@ -0,0 +1,1 @@
+http://os.mbed.com/users/Hotboards/code/Hotboards_keypad/#e870110f753b

--- a/main.cpp	Wed Jun 07 14:08:05 2017 +0000
+++ b/main.cpp	Tue Aug 21 10:56:52 2018 +0000
@@ -1,14 +1,55 @@
+/* @file HelloKeypad.cpp
+|| @version 1.1
+|| @modified by Diego (http://hotboards.org)
+|| @author Alexander Brevig
+|| @contact alexanderbrevig@gmail.com
+||
+|| @description
+|| | Demonstrates the simplest use of the matrix Keypad library.
+|| | Just press any key an it will be displayed on the serial port
+|| #
+*/
 #include "mbed.h"
- 
-SPI device(SPI_MOSI, SPI_MISO, SPI_SCK);
- 
-int main() {
-    int i = 0;
-    while(1) {
-        device.write(0x55);
-        device.write(i++);
-        device.write(0xE0);
-        wait_us(50);
+#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[ 7 ][ 7 ] =
+{
+    { '1' , '2' , '3' , '4', '5', '6' ,'a'},
+    { '7' , '8' , '9' , '0', 'Q', 'W' ,'b'},
+    { 'E' , 'R' , 'T' , 'Y', 'U', 'I' ,'c'},
+    { 'O' , 'P' , 'A' , 'S', 'D', 'F' ,'d'},
+    { 'G' , 'H' , 'J' , 'K', 'L', 'Z' ,'e'},
+    { 'X' , 'C' , 'V' , 'B', 'N', 'M' ,'f'},
+    { 0x0D , 0x20 , 0x08 , 'g','h','i','j'},     //0x0D -> Enter Key , 0x20 -> Space, 0x08-> Backspace, a , b, c may be used as functions keys.    
+};
+
+// Defines the pins connected to the rows
+DigitalInOut rowPins[ 7 ] = { D0,D1,D2,D3,D4,D5,D6};
+// Defines the pins connected to the cols
+DigitalInOut colPins[ 7 ] = { D7,D8,D9,D10,D11,D12,D13};
+
+// Creates a new keyboard with the values entered before
+Keypad kpd( makeKeymap( keys ) , rowPins , colPins , 7 , 7 );
+
+// 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.waitForKey();
+        
+        // If any key was pressed
+        if( key )
+        {
+            // Display the key pressed on serial port
+            pc.printf( "Pressed key is   : %c" , key );
+            pc.printf( "\n\r" );
+        }
     }
 }
- 
\ No newline at end of file

--- a/mbed.bld	Wed Jun 07 14:08:05 2017 +0000
+++ b/mbed.bld	Tue Aug 21 10:56:52 2018 +0000
@@ -1,1 +1,1 @@
-https://mbed.org/users/mbed_official/code/mbed/builds/86740a56073b
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/5aab5a7997ee
\ No newline at end of file