Time: 17:33 Date: 10/12/2017 Description: Task 1,7,8 Currently Functioning
Dependencies: BME280 BMP280 TextLCD
Working Repository
LCD.cpp@48:244d6d81bb52, 2018-01-09 (annotated)
- Committer:
- thomasmorris
- Date:
- Tue Jan 09 00:37:01 2018 +0000
- Revision:
- 48:244d6d81bb52
- Parent:
- 47:6d128e500875
HOLY SHIT IT WORKS
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
chills | 20:cbb71f84cff9 | 1 | #include "mbed.h" //Include the mbed libraries |
chills | 20:cbb71f84cff9 | 2 | #include "LCD.hpp" //Include the header file, this acts like a series of forward declarations |
chills | 20:cbb71f84cff9 | 3 | |
chills | 20:cbb71f84cff9 | 4 | //Constructor |
chills | 20:cbb71f84cff9 | 5 | 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) |
chills | 20:cbb71f84cff9 | 6 | {} |
chills | 20:cbb71f84cff9 | 7 | |
chills | 20:cbb71f84cff9 | 8 | LCD::~LCD(){} //Destructor |
chills | 20:cbb71f84cff9 | 9 | |
chills | 20:cbb71f84cff9 | 10 | void LCD::clock_in(){_E = 1; wait(0.001); _E = 0; wait(0.001); _E = 1;} |
chills | 20:cbb71f84cff9 | 11 | |
chills | 20:cbb71f84cff9 | 12 | 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();} //DB4 sets Data Width. DB3 sets No. Lines. DB2 sets font. |
chills | 20:cbb71f84cff9 | 13 | 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();} //Turns the display off. |
chills | 20:cbb71f84cff9 | 14 | 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();} //Clears display sets position to 0. |
chills | 20:cbb71f84cff9 | 15 | 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();} //DB1 sets increment(1) vs decrement(0). DB0 sets display shift(1) vs cursor shift(0). |
chills | 20:cbb71f84cff9 | 16 | 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();} //DB1 sets cursor on(1) vs off(0). DB0 sets blink(1) vs not(0). |
chills | 20:cbb71f84cff9 | 17 | |
chills | 20:cbb71f84cff9 | 18 | void LCD::Initialise(){ //Use previous functions to initialise LCD |
chills | 20:cbb71f84cff9 | 19 | Function_Set(); wait(0.020); //Function set followed by wait. |
chills | 20:cbb71f84cff9 | 20 | Display_Off(); wait(0.020); //Display off followed by wait. |
chills | 20:cbb71f84cff9 | 21 | Display_Clear(); wait(0.020); //Display clear followed by wait. |
chills | 20:cbb71f84cff9 | 22 | Entry_Mode_Set(); wait(0.020); //Entry Mode Set followed by wait. |
chills | 20:cbb71f84cff9 | 23 | Display_On(); wait(0.020); //Turn the display on. |
chills | 20:cbb71f84cff9 | 24 | DDRAM_Address(0); wait(0.020); //Set the address to 0. |
chills | 20:cbb71f84cff9 | 25 | } |
chills | 20:cbb71f84cff9 | 26 | |
chills | 20:cbb71f84cff9 | 27 | void LCD::DDRAM_Address(int Address){ //Sets the address to integer address |
chills | 20:cbb71f84cff9 | 28 | _RS = 0; |
chills | 20:cbb71f84cff9 | 29 | _RW = 0; |
chills | 20:cbb71f84cff9 | 30 | _DB7 = 1; |
chills | 20:cbb71f84cff9 | 31 | _DB6 = (Address & 0b1000000) >> 6; _DB5 = (Address & 0b0100000) >> 5; _DB4 = (Address & 0b0010000) >> 4; //Use bit shifting to convert integer to binary. |
chills | 20:cbb71f84cff9 | 32 | _DB3 = (Address & 0b0001000) >> 3; _DB2 = (Address & 0b0000100) >> 2; _DB1 = (Address & 0b0000010) >> 1; _DB0 = (Address & 0b0000001) >> 0; //Use bit shifting to convert integer to binary. |
chills | 20:cbb71f84cff9 | 33 | clock_in(); //Clock the data into the LCD. |
chills | 20:cbb71f84cff9 | 34 | } |
chills | 20:cbb71f84cff9 | 35 | |
chills | 20:cbb71f84cff9 | 36 | void LCD::Write_String(string Word){ //Writes the string Word to the LCD starting at the current address |
chills | 20:cbb71f84cff9 | 37 | int ASCII_Converted; //Temporary values |
chills | 20:cbb71f84cff9 | 38 | for (int i = 0; i < Word.length(); i++) //For loop running between 0 and length of string Word |
chills | 20:cbb71f84cff9 | 39 | { |
chills | 20:cbb71f84cff9 | 40 | ASCII_Converted = Word.at(i); //Set ASCII_Converted to current character value |
chills | 20:cbb71f84cff9 | 41 | _RS = 1; _RW = 0; //Set RS and RW |
chills | 20:cbb71f84cff9 | 42 | _DB7 = (ASCII_Converted & 0b10000000) >> 7; _DB6 = (ASCII_Converted & 0b01000000) >> 6; _DB5 = (ASCII_Converted & 0b00100000) >> 5; _DB4 = (ASCII_Converted & 0b00010000) >> 4; //Use bit shifting to convert hex to binary. |
chills | 20:cbb71f84cff9 | 43 | _DB3 = (ASCII_Converted & 0b00001000) >> 3; _DB2 = (ASCII_Converted & 0b00000100) >> 2; _DB1 = (ASCII_Converted & 0b00000010) >> 1; _DB0 = (ASCII_Converted & 0b00000001) >> 0; //Use bit shifting to convert hex to binary. |
chills | 20:cbb71f84cff9 | 44 | clock_in(); //Clock the data into the LCD. |
chills | 20:cbb71f84cff9 | 45 | } |
chills | 20:cbb71f84cff9 | 46 | } |