jkePOLISAS / Mbed 2 deprecated lcdbasic

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Dependencies:   mbed

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API Documentation at this revision

Revision 0:5dbeda619328, committed 2015-11-13

Comitter:
shaizeen
Date:
Fri Nov 13 02:03:19 2015 +0000
Commit message:
lcd custom

Changed in this revision

lcd.cpp Show annotated file Show diff for this revision Revisions of this file
lcd.h 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/lcd.cpp	Fri Nov 13 02:03:19 2015 +0000
@@ -0,0 +1,49 @@
+// LCD.cpp File
+#include "lcd.h"// Define mbed objects 
+
+
+ DigitalOut RS(p26) ;
+ DigitalOut E(p25) ;
+ BusOut data(p24, p23, p22, p21) ;
+ 
+ // Toggle enable function
+  void toggle_enable(void)
+   { E = 1 ; 
+   wait(0.001) ;
+    E = 0 ; 
+    wait(0.001) ; 
+    }// Initialise LCD function 
+    void LCD_init(void) 
+    { wait(0.02) ; 
+      RS = 0 ; E = 0 ;
+      
+      // Function mode 
+      data = 0x2 ; 
+      toggle_enable( ) ; 
+      data = 0x8 ; 
+      toggle_enable( ) ;
+      
+      // Display mode 
+      data = 0x0 ; 
+      toggle_enable( ) ; 
+      data = 0xF ; 
+      toggle_enable( ) ;
+      
+      // Clear display 
+      data = 0x0 ; 
+      toggle_enable( ) ; 
+      data = 0x1 ; 
+      toggle_enable( ) ;
+      
+      }
+      
+      // Display function 
+      void display_to_LCD(char value ) 
+      {
+          RS = 1;// display character 
+      data = value >> 4 ; // Upper 4 
+      toggle_enable( ) ; 
+      data = value & 0x0F ; // Lower 4 
+      toggle_enable( ) ; 
+      
+      }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd.h	Fri Nov 13 02:03:19 2015 +0000
@@ -0,0 +1,12 @@
+// LCD.h file
+#ifndef LCD_H
+#define LCD_H
+#include "mbed.h"
+
+
+void display_to_LCD(char value) ; //function to display characters on the LCD
+void toggle_enable(void) ; //function to toggle the enable bit
+void LCD_init(void) ; //function to initialise the LCD
+
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Nov 13 02:03:19 2015 +0000
@@ -0,0 +1,12 @@
+
+#include "lcd.h" 
+int main( )
+ { LCD_init( );
+ display_to_LCD(0x48) ; // „H‟ 
+ display_to_LCD(0x45) ; // „E‟ 
+ display_to_LCD(0x4C) ; // „L‟ 
+ display_to_LCD(0x4C) ; // „L‟ 
+ display_to_LCD(0x4F) ; // „O‟ 
+ 
+ 
+ }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Nov 13 02:03:19 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11
\ No newline at end of file