com.c

带有LCD

/****************************************************
*Copyright (c) 2007, 新芝股份
*All rights reserved.
*
*文件名称：common.c
*
*当前版本：1.1
*作者：黄文剑
*完成日期：2007.10.10
*
*取代版本：1.0
*原作者：
*完成日期：2007.10.16
****************************************************/

#include<pic.h>
#include<stdio.h>

unsigned char delay_data1_sys = 249;
unsigned char delay_data2_sys = 7;
unsigned char delay_data1 = 249;
unsigned char delay_data2 = 14;

/*****************************************************
Function Name:		Delay_5ms
Function Description:	Delay n*5ms
Input Parameters:		None
Output Parameters:	None
Return Value:			None
Example of Use Case:	None			
*****************************************************/
void Delay_5ms(unsigned char n)
{
	unsigned char i = 0;
	for(i; i<n; i++)
	{
		#asm
		movlw	7
		movwf	_delay_data2_sys
		movlw	249
		movwf	_delay_data1_sys
		decfsz	_delay_data1_sys
		goto	$-1
		decfsz	_delay_data2_sys
		goto	$-4
		return
		#endasm	
	}	
}
/*****************************************************
Function Name:		Delay_10ms
Function Description:	Delay n*10ms
Input Parameters:		None
Output Parameters:	None
Return Value:			None
Example of Use Case:	None			
*****************************************************/
void Delay_10ms_ISR(unsigned short n)
{
	unsigned char i = 0;
	for(i; i<n; i++)
	{
		#asm
		movlw	14
		movwf	_delay_data2
		movlw	249
		movwf	_delay_data1
 		decfsz	_delay_data1
		goto	$-1
		decfsz	_delay_data2
		goto	$-4
		return
		#endasm	
	}
}
/*****************************************************
Function Name:		Eep_Rom_Init
Function Description:	eeprom init
Input Parameters:		None
Output Parameters:	None
Return Value:			unsigned char
Example of Use Case:	None			
*****************************************************/
unsigned char Eep_Rom_Init(void)
{
	unsigned char		i = 0;
	unsigned char		eep_data = 0;

	for(i = 0; i<0xFF; i++)
	{
		eeprom_write(i, 0);
	}
	Delay_10ms_ISR(1);
	for(i = 0; i<0xFF; i++)
	{
		eep_data = eeprom_read(i);
		if(eep_data != 0)
		{
			break;
		}
	}
	return i;
}
/*****************************************************
Function Name:		Eep_Rom_Write_Filename
Function Description:	write data to eeprom
Input Parameters:		unsigned char n: 					eeprom index;
					unsigned char *eeprom_file_name:	data;
Output Parameters:	None
Return Value:			unsigned char
Example of Use Case:	None			
*****************************************************/
unsigned char Eep_Rom_Write_Filename(unsigned char n, unsigned char *eeprom_file_name)
{
	unsigned char 	i = 0;
	unsigned char		*file_name_in = NULL;	

	file_name_in = eeprom_file_name;
	if(file_name_in == 0)
		return 1;
	while((file_name_in[i] != 0) && (i < 8))
	{
		eeprom_write(n*8 + i, file_name_in[i]);
		i++;
	}
	return 0;
}
/*****************************************************
Function Name:		Eep_Rom_Read_Filename
Function Description:	read data to eeprom
Input Parameters:		unsigned char n: 					eeprom index;
Output Parameters:	unsigned char *eeprom_file_name:	data;
Return Value:			unsigned char
Example of Use Case:	None			
*****************************************************/
unsigned char Eep_Rom_Read_Filename(unsigned char n, unsigned char *eeprom_file_name)
{
	unsigned char 	i = 0;
	unsigned char		*file_name_out = NULL;

	file_name_out = eeprom_file_name;
	if(file_name_out == 0)
		return 1;
	do
	{
		file_name_out[i] = eeprom_read(n*8 + i);
		i++;
	}while((file_name_out[i-1] != 0) && (i < 8));
	return 0;
}
/*****************************************************
Function Name:		Eep_Rom_Delete_Filename
Function Description:	delete data from eeprom
Input Parameters:		unsigned char n: 					eeprom index;
Output Parameters:	None
Return Value:			unsigned char
Example of Use Case:	None			
*****************************************************/
unsigned char	Eep_Rom_Delete_Filename(unsigned n)
{
	unsigned char		i = 0;

	while(i<8)
	{
		eeprom_write(n*8 + i, 0);
		i++;		
	}
	return 0;
}