Plymouth ELEC351 Group T
/
2017_12_271329_LCDTrial
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Dependencies: mbed
Revision 4:2759062f4264, committed 2017-12-27
- Comitter:
- chills
- Date:
- Wed Dec 27 18:26:50 2017 +0000
- Parent:
- 3:6ee7c8ce0b7a
- Commit message:
- 2017_12_27 18:23; Working LCD Class!!!
Changed in this revision
--- /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();
+ }
+}
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD.hpp Wed Dec 27 18:26:50 2017 +0000
@@ -0,0 +1,42 @@
+#ifndef _LCD_HPP_ //Known as header guards
+#define _LCD_HPP_
+
+#include <string>
+
+class LCD //This creates a class called Led
+{
+
+public:
+
+ LCD(PinName E, PinName RS, PinName RW, PinName DB0, PinName DB1, PinName DB2, PinName DB3, PinName DB4, PinName DB5, PinName DB6, PinName DB7);
+ ~LCD();
+ void Binary_Convert(int Integer);
+ void clock_in();
+ void Function_Set();
+ void Display_Off();
+ void Display_Clear();
+ void Entry_Mode_Set();
+ void Display_On();
+ void DDRAM_Address(int Address);
+ void Write_String(string Word);
+ void Initialise();
+
+private:
+
+ DigitalOut _RW;
+ DigitalOut _RS;
+ DigitalOut _E;
+
+ DigitalOut _DB0;
+ DigitalOut _DB1;
+ DigitalOut _DB2;
+ DigitalOut _DB3;
+ DigitalOut _DB4;
+ DigitalOut _DB5;
+ DigitalOut _DB6;
+ DigitalOut _DB7;
+
+};
+
+
+#endif
\ No newline at end of file
--- a/main.cpp Wed Dec 27 16:12:38 2017 +0000
+++ b/main.cpp Wed Dec 27 18:26:50 2017 +0000
@@ -1,78 +1,23 @@
#include "mbed.h"
#include <string>
+#include "LCD.hpp"
DigitalOut myled(LED1);
-DigitalOut RS(D9);
+/*DigitalOut RS(D9);
DigitalOut RW(D4);
DigitalOut E(D8);
-BusInOut DB(A0, A1, A2, A3, D7, D6, D3, D1); //LSB First
+BusInOut DB(A0, A1, A2, A3, D7, D6, D3, D1); //LSB First*/
-void clock_in();
-void Function_Set();
-void Display_Off();
-void Display_Clear();
-void Entry_Mode_Set();
-void Display_On();
-void DDRAM_Address(int Address);
-void Write_Data(string Letter);
-void Write_String(string Word);
-void Initialise();
+LCD lcd(D8,D9,D4,A0,A1,A2,A3,D7,D6,D3,D1);
int main() {
- DB.output();
- Initialise();
+ lcd.Initialise();
- DDRAM_Address(0x40);
- Write_String("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
+ lcd.DDRAM_Address(0x00);
+ lcd.Write_String("2017_12_27 18:22");
}
-void clock_in(){E = 1; wait(0.001); E = 0; wait(0.001); E = 1;}
-void Function_Set(){RS = 0; RW = 0; DB = 0x3C; clock_in();}
-
-void Display_Off(){RS = 0; RW = 0; DB = 0x08; clock_in();}
-
-void Display_Clear(){RS = 0; RW = 0; DB = 0x01; clock_in();}
-
-void Entry_Mode_Set(){RS = 0; RW = 0; DB = 0x06; clock_in();}
-
-void Display_On(){RS = 0; RW = 0; DB = 0x0F; clock_in();}
-
-void 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 DDRAM_Address(int Address){RS = 0; RW = 0; DB = 0x80 + Address; clock_in();}
-
-void Write_Data(string Letter){
- int ASCII_Converted[32];
- for (int i = 0; i < Letter.length(); i++)
- {
- ASCII_Converted[i] = Letter.at(i);
- }
- RS = 1; RW = 0; DB = ASCII_Converted[0]; clock_in();
-}
-
-void Write_String(string Word){
-
- int ASCII_Converted;
- for (int i = 0; i < Word.length(); i++)
- {
- ASCII_Converted = Word.at(i);
- RS = 1; RW = 0; DB = ASCII_Converted; clock_in();
- }
-}