LCD.c File Reference

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Detailed Description

Atmel Corporation

• File : main.c
• Compiler : IAR EWAVR 4.11A

• Support mail : avr@atmel.com

• Supported devices : This example is written for the ATtiny24.

• AppNote : AVR245: Code Lock with LCD.
• Related AppNote : Based on AVR155.

• Description : LCD driver for Batron BTHQ 21605AV display, using integrated Philips PCF2119RU.

Revision

1.3

Date

Monday, October 10, 2005 13:23:34 UTC

Definition in file LCD.c.

#include "LCD.h"
#include "USI_TWI_Master.h"

Include dependency graph for LCD.c:

Go to the source code of this file.

Functions
unsigned char	ASCIItoLCD (unsigned char ch)
unsigned char	LCD_ClearDisplay (void)
unsigned char	LCD_ClearLine (unsigned char row)
unsigned char	LCD_Init (void)
unsigned char	LCD_PutXY (unsigned char ch, unsigned char column, unsigned char row)
unsigned char	LCD_PutXY_Raw (unsigned char ch, unsigned char column, unsigned char row)
unsigned char	LCD_WriteLine (unsigned char *msg, unsigned char row)
Variables
unsigned char	messageBuf []

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Function Documentation

unsigned char ASCIItoLCD (  unsigned char  ch  )

Definition at line 117 of file LCD.c. Referenced by LCD_PutXY(), and LCD_WriteLine().

unsigned char LCD_ClearDisplay (  void   )

Definition at line 50 of file LCD.c. References LCD_ClearLine(). Referenced by main().

unsigned char LCD_ClearLine (  unsigned char  row  )

Definition at line 61 of file LCD.c. References LCD_PutXY_Raw(). Referenced by LCD_ClearDisplay(), and WDT_ISR().

unsigned char LCD_Init (  void   )

Definition at line 30 of file LCD.c. References FALSE, LCD_ADR, messageBuf, TWI_READ_BIT, and USI_TWI_Start_Transceiver_With_Data(). Referenced by Initialise().

unsigned char LCD_PutXY (  unsigned char  ch, unsigned char  column, unsigned char  row )

Definition at line 71 of file LCD.c. References ASCIItoLCD(), and LCD_PutXY_Raw(). Referenced by CheckAccess(), DelayBar(), main(), and OpenLock().

unsigned char LCD_PutXY_Raw (  unsigned char  ch, unsigned char  column, unsigned char  row )

Definition at line 76 of file LCD.c. References FALSE, LCD_ADR, messageBuf, TWI_READ_BIT, and USI_TWI_Start_Transceiver_With_Data(). Referenced by DelayBar(), LCD_ClearLine(), and LCD_PutXY().

unsigned char LCD_WriteLine (  unsigned char *  msg, unsigned char  row )

Definition at line 96 of file LCD.c. References ASCIItoLCD(), FALSE, LCD_ADR, messageBuf, TWI_READ_BIT, and USI_TWI_Start_Transceiver_With_Data().

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Variable Documentation

unsigned char messageBuf[]

Definition at line 43 of file main.h. Referenced by LCD_Init(), LCD_PutXY_Raw(), and LCD_WriteLine().

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