eerom.c

本人用avr 单片机atmega128开发控制产品的源码。

#include <iom128v.h>
#include <macros.h>
#include <control.h>
#include <qam.h>
#define COM_BAUD			9600	
#define COM_ADDR_H         0x0054
#define COM_ADDR_L          0x0055
#define PASSWORD_ADD	0X0060    //0X0054-0X0059

//the ethernet save address
#define NET_GATE	0x0070     //0x0054-0x0057
#define NET_SUB		 0x0080      //0x0058-0x0061
#define NET_LIP		   0x0090     //0x0062-0x0065
#define NET_DIP		   0x00a0      //0x0066-0x0069
extern unsigned int VOL_H_valsaved[4],TEMP_H_valsaved[2];
extern unsigned int VOL_L_valsaved[4],TEMP_L_valsaved[2];
extern sound_swtich[4],sound_type_saved;
extern unsigned char net_gatway[4],net_sub[4],net_lip[4],net_dip[4];
extern unsigned int com_set;
extern unsigned char ucMenuQModSubPosition[8],ucMenuIFSubPosition[8];
extern unsigned int iSmbRatSaved[8];
extern unsigned char temperature_h[2],temperature_l[2],time[7];
extern unsigned char menu_password[6];
//---------------------------------------------------------
// NAME:	write_eeprom()
// ENTRY:	add,data
// RETURN:	void
// MODIFY:	2004.2.3
//--------------------------------------------------------
void write_eeprom(unsigned int add,unsigned char data) 	
{
	while(EECR&(1<<EEWE));
	EEAR=add;
	EEDR=data;
	CLI();
	EECR|=(1<<EEMWE);
	EECR|=(1<<EEWE);
	SEI();
}
//---------------------------------------------------------
// NAME:	read_eeprom()
// ENTRY:	add
// RETURN:	void
// MODIFY:	2004.2.3
//--------------------------------------------------------
unsigned char read_eeprom(unsigned int add)
{ 
	unsigned char data;
	while(EECR&(1<<EEWE));
	EEAR=add;
	EECR|=(1<<EERE);
	data=EEDR;
	return(data);
}
//---------------------------------------------------------
// NAME:	Eeprom_Init()
// ENTRY:	void
// RETURN:	void
// MODIFY:	2004.2.3
//--------------------------------------------------------
void Eeprom_Init(void)
{
	unsigned char temp,temp1,i;
	temp=read_eeprom(0x0010);//FLAG_ADDR);
	if(temp==0x5a)
	{
		//read the qam config data
		for(i=0;i<8;i++)
		{   
			//read the qam mode
			ucMenuQModSubPosition[i]= read_eeprom(0x0011+i);//Q1_MOD_ADDR+i);
			//read the ifrequency            
			ucMenuIFSubPosition[i]=read_eeprom(0x0021+i);//Q1_IF_ADDR+i);    
			//read symble rate from the eerom
			temp=read_eeprom(0x0031+i);//Q1_SMBRAT_ADDR_H+i);
			temp1=read_eeprom(0x0041+i);//Q1_SMBRAT_ADDR_L+i);
			iSmbRatSaved[i]=temp*100+temp1;
		}
		//read the com  baud
		temp=read_eeprom(0x0054);
		temp1=read_eeprom(0x0055);
		com_set=temp*256+temp1;
		//read the sensor temperature alarm value
		temperature_h[0]=read_eeprom(S1_TEMP_ADDR_H);
		temperature_l[0]=read_eeprom(S1_TEMP_ADDR_L);    
		temperature_h[1]=read_eeprom(S2_TEMP_ADDR_H);
		temperature_l[1]=read_eeprom(S2_TEMP_ADDR_L); 
		//read the net config
		for(i=0;i<4;i++)
		{
			temp=read_eeprom(NET_GATE+i);
			net_gatway[i]=temp;
			temp=read_eeprom(NET_SUB+i);
			net_sub[i]=temp;
			temp= read_eeprom(NET_LIP+i);			 	 
			net_lip[i]=temp;
			temp= read_eeprom(NET_DIP+i);
			net_dip[i]=temp;
		}
	}
	else 
	{
		temp=QMODSUBPOSTION_DEFAULT;          //qam mode
		for(i=0;i<8;i++)
		{
			write_eeprom(0x0011+i,temp);//Q1_MOD_ADDR+i,temp);
		}
		temp=1;                 //ifrequency
		for(i=0;i<8;i++)
		{
			write_eeprom(0x0021+i,temp);//Q1_IF_ADDR+i,temp);
		}
		for(i=0;i<8;i++)
		{
			temp=SMBRATESAVED_DEFAULT/100;     //symble rate                
			write_eeprom(0x0031+i,temp);//Q1_SMBRAT_ADDR_H+i,temp);	
			temp=SMBRATESAVED_DEFAULT%100;
			write_eeprom(0x0041+i,temp);
		}
		//init the Ethernet
		net_gatway[0]=10;
		net_gatway[1]=0;
		net_gatway[2]=0;
		net_gatway[3]=205;
		net_sub[0]=255;
		net_sub[1]=255;
		net_sub[2]=255;
		net_sub[3]=0;
		net_lip[0]=10;
		net_lip[1]=0;
		net_lip[2]=0;
		net_lip[3]=50;
		net_dip[0]=10;
		net_dip[1]=0;
		net_dip[2]=0;
		net_dip[3]=211;
		for(i=0;i<4;i++)
		{
			temp=net_gatway[i];
			write_eeprom(NET_GATE+i,temp);
			temp=net_sub[i];
			write_eeprom(NET_SUB+i,temp);			 	 
			temp=net_lip[i];
			write_eeprom(NET_LIP+i,temp);
			temp=net_dip[i];
			write_eeprom(NET_DIP+i,temp);
		}
		//init the com baud
		temp=COM_BAUD/256;
		write_eeprom(0x0054,temp);
		temp=read_eeprom(0x0054);
		temp=COM_BAUD%256;
		write_eeprom(0x0055,temp);
		com_set=COM_BAUD;
		//init the sensor alarm vaule
		temperature_h[0]=40;
		temp=40;//S1_TEMP_H_DEFAULT;
		write_eeprom(S1_TEMP_ADDR_H,temp);
		temperature_l[0]=10;
		temp=10;//S1_TEMP_L_DEFAULT;
		write_eeprom(S1_TEMP_ADDR_L,temp);
		//init the timer
		for(i=0;i<7;i++)
			time[i]=0; 
		//init the qam as default value
		for(i=0;i<=7;i++)         
		{  
			ucMenuIFSubPosition[i]=1;
			ucMenuQModSubPosition[i]=QMODSUBPOSTION_DEFAULT;
			iSmbRatSaved[i]=SMBRATESAVED_DEFAULT;
		}
		//init the sound 	
		for(i=0;i<4;i++)
		{ 
			temp=1;
			write_eeprom(0x005A +i,temp);
		}
		temp=1;
		sound_type_saved=1; 
		write_eeprom(0x0052,sound_type_saved);
		//init the flag of the first power   on
		temp = 0x5a;
		write_eeprom(0x0010,temp);
	}
}
//---------------------------------------------------------
// NAME:	net_save()
// ENTRY:	void
// RETURN:	void
// MODIFY:	2004.2.3
//--------------------------------------------------------
void net_save(void)
{
	unsigned char temp,i;
	SREG&=~0x80;
	//set the net 
	for(i=0;i<4;i++)
	{
		temp=net_gatway[i];
		write_eeprom(NET_GATE+i,temp);
		temp=net_sub[i];
		write_eeprom(NET_SUB+i,temp);			 	 
		temp=net_lip[i];
		write_eeprom(NET_LIP+i,temp);
		temp=net_dip[i];
		write_eeprom(NET_DIP+i,temp);
	}
	SREG|=0x80;
}