sensor.c

本人用avr 单片机atmega128开发控制产品的源码。

#include  <iom128v.h>
#include  <Sensor.h>
#include  <Control.h>

/*#define BUS_ADD1      0X5A
#define BUS_ADD2_T1    0X92
#define BUS_ADD2_T2    0X90*/

extern unsigned char vol1_high;
extern  unsigned char vol1_low;
extern  unsigned char vol2_high;
extern unsigned char vol2_low;
extern unsigned char vol3_high;
extern unsigned char vol3_low;
extern unsigned char vcc_high;
extern unsigned char vcc_low;
extern unsigned char  temp_alarm[3],temp_alarm1[3];
extern unsigned char temperature_h[2],temperature_l[2];
extern unsigned char temperature_alarm;

//---------------------------------------------------------
// NAME:	sensor_init()
// ENTRY:	sens
// RETURN:	void
// FUNCTION: init the sensor chip 
// MODIFY:	2004.2.3
//--------------------------------------------------------
void sensor_init(unsigned char sens)
{
	i2c_Write(0x03,0x40,sens,0);
	i2c_Write(0xef,0x43,sens,0);
	i2c_Write(0x2d,0x4a,sens,0);	
}
//---------------------------------------------------------
// NAME:	CHECK_CHIP()
// ENTRY:	sens
// RETURN:	void
// FUNCTION: Read the chip ID
// MODIFY:	2004.2.3
//--------------------------------------------------------
unsigned char  CHECK_CHIP(unsigned char sens )
{
	unsigned char temp1[1],temp2[1];
	i2c_Read(&temp1[0], WIN_ID_L,sens,0 );
	i2c_Read(&temp2[0], WIN_ID_H ,sens,0);
	if((temp1[0]==0XA3)&&(temp2[0]==0X5C))
		return 1;
	else
		return 0;
}
//---------------------------------------------------------
// NAME:	voltage_disp()
// ENTRY:	sens1
// RETURN:	void
// FUNCTION: disply the voltage status
// MODIFY:	2004.2.3
//--------------------------------------------------------
void voltage_disp(unsigned char sens1)
{
	if(! CHECK_CHIP(sens1))  
	{ 
		LCD_CLR();
		disp_voltage_trl(sens1); 
		spk_alarm();
	}
	else
		SHOW_LOGO(sens1 + 49);
}
//---------------------------------------------------------
// NAME:	voltage_check()
// ENTRY:	sens
// RETURN:	void
// FUNCTION: Check the voltage 
// MODIFY:	2004.2.3
//--------------------------------------------------------
void voltage_check(unsigned char sens)
{
	unsigned char vol[1],vol3[3],vcc[3],vol_flg[4];
	if(! CHECK_CHIP(sens))   return;
	/*
	{
	LCD_CLR();
	disp_voltage_trl(sens); 
	spk_alarm();
	
	  }
	*/
	/*
	vol=0;
	vol=i2c_Read(  0X20 ,sens,0);
	//vol=i2c_Read(  VIN1 ,sens+1,0);
	vol1[2]=vol1[1];vol1[1]=vol1[0];vol1[0]=vol;
	if((vol1[0] > vol1_high)&&(vol1[1]>vol1_high)&&(vol1[2]>vol1_high))
	vol_flg[0]=0x11;
	if((vol1[0]<vol1_low)&&(vol1[1]<vol1_low)&&(vol1[2]<vol1_low))
	vol_flg[0]=0x10;
	vol=0;
	vol=i2c_Read(  0X22 ,sens,0);
	//vol=i2c_Read(  VIN2 ,sens+1,0);
	vol2[2]=vol2[1];vol2[1]=vol2[0];vol2[0]=vol;
	if((vol2[0]>vol2_high)&&(vol2[1]>vol2_high)&&(vol2[2]>vol2_high))
	vol_flg[1]=0x21;
	if((vol2[0]<vol2_low)&&(vol2[1]<vol2_low)&&(vol2[2]<vol2_low))
	vol_flg[1]=0x20;
	*/
	i2c_Read(&vol[0], 0X21,sens,0 );
	//vol=i2c_Read(  VIN3,sens+1,0 );
	vol3[2]=vol3[1];
	vol3[1]=vol3[0];
	vol3[0]=vol[0];
	if((vol3[0]>vol3_high)&&(vol3[1]>vol3_high)&&(vol3[2]>vol3_high))
		vol_flg[2]=0x31;
	if((vol3[0]<vol3_low)&&(vol3[1]<vol3_low)&&(vol3[2]<vol3_low))
		vol_flg[2]=0x30;
	i2c_Read(&vol[0], 0X23,sens,0 );
	//vol=i2c_Read(  VCC,sens+1,0 );
	vcc[2]=vcc[1];
	vcc[1]=vcc[0];
	vcc[0]=vol[0];
	if((vcc[0]>vcc_high)&&(vcc[1]>vcc_high)&&(vcc[2]>vcc_high))
		vol_flg[3]=0x41;
	if((vcc[0]<vcc_low)&&(vcc[1]<vcc_low)&&(vcc[2]<vcc_low))
		vol_flg[3]=0x40;
		/*if((vol_flg[0]==0x11)||(vol_flg[1]==0x21)||(vol_flg[2]==0x31)||(vol_flg[3]==0x41))
		//disp_VOL_trl( );
		else
		if((vol_flg[0]==0x11)||(vol_flg[1]==0x21)||(vol_flg[2]==0x31)||(vol_flg[3]==0x41))
	// disp_VOL_trl( );*/
}
//---------------------------------------------------------
// NAME:	temp_check()
// ENTRY:	sens
// RETURN:	void
// FUNCTION:temperature check and control the fan
// MODIFY:	2004.2.3
//--------------------------------------------------------
void temp_check( unsigned char sens )
{
	unsigned char tep1[1],tep2[1],dat;
	unsigned char alarm;
	dat=0;
	alarm=0;
	//read the temperature
	i2c_Read(&tep1[0], 0X27,sens ,0);
	tep1[0] = tep1[0] - 6;
	i2c_Read(&tep2[0], 0X27,sens + 1,0);
	tep2[0] = tep2[0] - 6;
	temp_alarm[0]= temp_alarm[1]; 
	temp_alarm[1]= temp_alarm[2];
	temp_alarm[2]=tep1[0];
	temp_alarm1[0]= temp_alarm1[1]; 
	temp_alarm1[1]= temp_alarm1[2];
	temp_alarm1[2]=	tep2[0];
	if(( temperature_h[0]<temp_alarm[0])&&( temperature_h[0]<temp_alarm[1])&&( temperature_h[0]<temp_alarm[2]))
	{
		i2c_Write(0xff,FAN1_DCSR,sens,0);
		i2c_Write(0xff,FAN2_DCSR,sens,0);
		alarm=1;
		temperature_alarm=1;
	}
	else
	{
		alarm=0;
		temperature_alarm=0;
		i2c_Write(0x55,FAN1_DCSR,sens,0);
		i2c_Write(0x55,FAN2_DCSR,sens,0);
	}
	if(( temperature_h[1]<temp_alarm1[0])&&( temperature_h[1]<temp_alarm1[1])&&( temperature_h[0]<temp_alarm[2]))
	{
		i2c_Write(0xff,FAN1_DCSR,sens,0);
		i2c_Write(0xff,FAN2_DCSR,sens,0);
		alarm=1;
		temperature_alarm=1;
	}
	else
	{
		alarm=0;
		temperature_alarm=0;
		i2c_Write(0x55,FAN1_DCSR,sens,0);
		i2c_Write(0x55,FAN2_DCSR,sens,0);
	}
}