lcdproxima.c File Reference

LCD handling functions for Proxima-01 LCD. More...

#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "common.h"

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Functions
void	LCDP_init (void)
	Initialize ports.
void	LCDP_toggleCLB (void)
	Toggle clock burst pin of PCF2111.
void	LCDP_writeLatch (uint32_t segments, bool_t latchA)
	Put data to latch A or latch B.
void	LCDP_writeLatches (void)
	Write internal latches to PCF2111's latches.
void	LCDP_clear (void)
	Clear all segment of LCD.
void	LCDP_all (void)
	Shows all segment of LCD.
void	LCDP_printNumber (uint16_t number, bool_t leadingZeros)
	Print number to LCD in decimal format.
void	LCDP_printNumberHex (uint16_t number)
	Print number to LCD in hexadecimal format.
void	LCDP_printNumberHexLZ (uint16_t number)
	Print number to LCD in hexadecimal format.
Variables
uint64_t	latches = 0
	Internal mirror of latches in PCF2111.
const uint64_t	LCDP_characters [4][16]
	Array to store the numbers for the four digit of LCD.

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Detailed Description

LCD handling functions for Proxima-01 LCD.

Author:

Copyright (C) Peter Ivanov, 2008

Created: 2008-03-31 10:19:22 Last modify: 2010-08-08 06:54:19 ivanovp {Time-stamp} Licence: GPL

Definition in file lcdproxima.c.

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Function Documentation

void LCDP_all

(

void

)

Shows all segment of LCD.

Useful for testing the LCD.

Author:

Peter Ivanov

Definition at line 190 of file lcdproxima.c.

void LCDP_clear

(

void

)

Clear all segment of LCD.

Author:

Peter Ivanov

Definition at line 179 of file lcdproxima.c.

void LCDP_init

(

void

)

[inline]

Initialize ports.

Definition at line 106 of file lcdproxima.c.

void LCDP_printNumber	(	uint16_t	number,
		bool_t	leadingZeros
	)

Print number to LCD in decimal format.

Input:

Parameters:

	number	Number to print.
	leadingZeros	TRUE: print leading zeros. FALSE: don't print zeros.

Definition at line 203 of file lcdproxima.c.

void LCDP_printNumberHex

(

uint16_t

number

)

Print number to LCD in hexadecimal format.

Input:

Parameters:

number

Number to print.

Definition at line 249 of file lcdproxima.c.

void LCDP_printNumberHexLZ

(

uint16_t

number

)

Print number to LCD in hexadecimal format.

Input:

Parameters:

number

Number to print.

Definition at line 280 of file lcdproxima.c.

void LCDP_toggleCLB

(

void

)

Toggle clock burst pin of PCF2111.

Definition at line 115 of file lcdproxima.c.

void LCDP_writeLatch	(	uint32_t	segments,
		bool_t	latchA
	)

Put data to latch A or latch B.

Both latches have 32 bits.

Input:

Parameters:

	segments	Latch data: which segments should be enabled.
	latchA	Select latch. TRUE: latch A, FALSE: latch B.

Definition at line 130 of file lcdproxima.c.

void LCDP_writeLatches

(

void

)

Write internal latches to PCF2111's latches.

Definition at line 168 of file lcdproxima.c.

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Variable Documentation

uint64_t latches = 0

Internal mirror of latches in PCF2111.

Upper 32-bit is latch A, lower 32-bit is latch B.

Definition at line 20 of file lcdproxima.c.

const uint64_t LCDP_characters[4][16]

Array to store the numbers for the four digit of LCD.

Definition at line 27 of file lcdproxima.c.