Diff: LCD.cpp

Revision:

4:2759062f4264

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD.cpp	Wed Dec 27 18:26:50 2017 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"           //Include the mbed libraries
+#include "LCD.hpp"          //Include the header file, this acts like a series of forward declarations
+ 
+//Constructor
+LCD::LCD(PinName E,PinName RS,PinName RW,PinName DB0,PinName DB1,PinName DB2,PinName DB3,PinName DB4,PinName DB5,PinName DB6,PinName DB7) : _E(E),_RS(RS),_RW(RW),_DB0(DB0),_DB1(DB1),_DB2(DB2),_DB3(DB3),_DB4(DB4),_DB5(DB5),_DB6(DB6),_DB7(DB7)
+{}
+
+LCD::~LCD(){}   //Destructor
+
+void LCD::clock_in(){_E = 1; wait(0.001); _E = 0; wait(0.001); _E = 1;}
+
+void LCD::Binary_Convert(int Integer){
+
+}
+
+
+void LCD::Function_Set()     {_RS = 0; _RW = 0; _DB7 = 0; _DB6 = 0; _DB5 = 1; _DB4 = 1; _DB3 = 1; _DB2 = 1; _DB1 = 0; _DB0 = 0; clock_in();}
+void LCD::Display_Off()      {_RS = 0; _RW = 0; _DB7 = 0; _DB6 = 0; _DB5 = 0; _DB4 = 0; _DB3 = 1; _DB2 = 0; _DB1 = 0; _DB0 = 0; clock_in();}
+void LCD::Display_Clear()    {_RS = 0; _RW = 0; _DB7 = 0; _DB6 = 0; _DB5 = 0; _DB4 = 0; _DB3 = 0; _DB2 = 0; _DB1 = 0; _DB0 = 1; clock_in();}
+void LCD::Entry_Mode_Set()   {_RS = 0; _RW = 0; _DB7 = 0; _DB6 = 0; _DB5 = 0; _DB4 = 0; _DB3 = 0; _DB2 = 1; _DB1 = 1; _DB0 = 0; clock_in();}
+void LCD::Display_On()       {_RS = 0; _RW = 0; _DB7 = 0; _DB6 = 0; _DB5 = 0; _DB4 = 0; _DB3 = 1; _DB2 = 1; _DB1 = 1; _DB0 = 1; clock_in();}
+
+void LCD::Initialise(){
+        Function_Set();     wait(0.020);
+        Display_Off();      wait(0.020);
+        Display_Clear();    wait(0.020);
+        Entry_Mode_Set();   wait(0.020);
+        Display_On();       wait(0.020);
+        DDRAM_Address(0);   wait(0.020);
+}
+
+void LCD::DDRAM_Address(int Address){
+    _RS = 0; 
+    _RW = 0; 
+    _DB7 = 1; 
+    _DB6 = (Address & 0b1000000) >> 6; _DB5 = (Address & 0b0100000) >> 5; _DB4 = (Address & 0b0010000) >> 4; 
+    _DB3 = (Address & 0b0001000) >> 3; _DB2 = (Address & 0b0000100) >> 2; _DB1 = (Address & 0b0000010) >> 1; _DB0 = (Address & 0b0000001) >> 0;
+    clock_in();
+    }
+
+void LCD::Write_String(string Word){
+    int ASCII_Converted;
+    for (int i = 0; i < Word.length(); i++)
+    {
+        ASCII_Converted = Word.at(i);
+        _RS = 1; _RW = 0; 
+        _DB7 = (ASCII_Converted & 0b10000000) >> 7; _DB6 = (ASCII_Converted & 0b01000000) >> 6; _DB5 = (ASCII_Converted & 0b00100000) >> 5; _DB4 = (ASCII_Converted & 0b00010000) >> 4;
+        _DB3 = (ASCII_Converted & 0b00001000) >> 3; _DB2 = (ASCII_Converted & 0b00000100) >> 2; _DB1 = (ASCII_Converted & 0b00000010) >> 1; _DB0 = (ASCII_Converted & 0b00000001) >> 0;
+        clock_in();
+    }      
+}
+ 
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