A TextLCD interface for driving 4-bit 16x2 KS0066U LCD
Dependents: KS0066U4_16x2 LAB05_Oppgave4 LAB05_Oppgave2 LAB05_Oppgave3 ... more
Import library
Public Member Functions |
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TextLCD (PinName rs, PinName rw, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, const char *name=NULL) | |
Create a
TextLCD
interface and initiated 16x2 char mode.
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void | lcdComand (unsigned char cmd) |
Writes a Command to the LCD-module.
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void | lcdData (unsigned char data) |
Writes charecters to the LCD display.
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void | gotoxy (int, int) |
moves text cursor to a screen column and row
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int | putc (int c) |
Write a character to the LCD.
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int | printf (const char *format,...) |
Write a formatted string to the LCD.
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Protected Member Functions |
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void | writeLcdBitD4toD7 (char data) |
Writes the low nible of data to the LCD-module.
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void | pulseEn () |
Causes the LCD-module to read the data on the data input pins EN = 1 for L-to-H / EN = 0 for H-to-L.
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void | init_4BitMode2LinesDisplayOn () |
Enable 4 bit mode From KS0066U Documentation.
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Diff: TextLCD.cpp
- Revision:
- 2:f0a520c95838
- Parent:
- 1:8902f6be12a5
- Child:
- 3:d2f70de20dbe
--- a/TextLCD.cpp Sun Sep 20 10:36:08 2015 +0000 +++ b/TextLCD.cpp Sun Sep 20 10:42:51 2015 +0000 @@ -21,7 +21,6 @@ //Enables the LCD Module for use 2-Lines... TextLCD::TextLCD() { - CLEAR_EN(); //EN =0 wait_ms(500); @@ -30,11 +29,11 @@ lcdComand(0x28);//(0b0010 1000); // 4- bit mode LCD 2 line 5x7 Matrix wait_us(100); - lcdComand(0xE);//(0b0000 1110); //Hva gj�r vi her ? + lcdComand(0xE);//(0b0000 1110); //Hva gjør vi her ? wait_us(100); - lcdComand(0x01); //(0b00000001); //Hva gj�r vi her ? + lcdComand(0x01); //(0b00000001); //Hva gjør vi her ? wait_us(100); - lcdComand(0x06);//(0b00000110); //Hva gj�r vi her ? + lcdComand(0x06);//(0b00000110); //Hva gjør vi her ? wait_us(100); } @@ -117,7 +116,7 @@ //Moves cursor to the X,Y position -void TextLCD::gotoxy(unsigned char x, unsigned char y) +void TextLCD::gotoxy(int x, int y) { unsigned char firstCharAdr[]= { 0x80,0xc0,0x94,0xD4}; lcdComand(firstCharAdr[y-1]+ x -1);