disp.c

ATT7022B与C8051F的通讯licheng

			}
		}
	}
	return t_data[2];
}

/*
***********************************************************************************************************
**函数原型		:  	get_spi_data()
**参数说明		:  
				:	
					
**返回值		:		
**说	明		:	本函数用于采集7022B的具体数据，并在精度和稳定行上对他们进行调整
					340和7022B采用SPI主从模式传输，340是主机，所以先对SPI0DAT写入数据，才开始发送
************************************************************************************************************/

void clear_7022B_data()
{//清校表数据
	
	SPI_DATA_START();
	SPI_CS_LOW_LEVEL();
	spi_delay(200);
	
	SPI0DAT = COMMAND_CLEAR_DATA;//命令字
	spi_delay(30);
	while(!SPIF);
	spi_delay(60);
	SPIF = 0;

	SPI0DAT= 0x00;//24数据位
	spi_delay(30);
	while(!SPIF);
	spi_delay(60);
	SPIF = 0;

	SPI0DAT = 0x00;
	spi_delay(30);
	while(!SPIF);
	spi_delay(60);
	SPIF = 0;

	SPI0DAT = 0x00;
	spi_delay(30);
	while(!SPIF);
	spi_delay(60);
	SPIF = 0;
	
	spi_delay(200);
	SPI_CS_HIGH_LEVEL();
}


void get_spi_chksum_data()
{
	spi_delay(150);
	SPI_DATA_START();
	SPI_CS_LOW_LEVEL();
	SPI0DAT = r_ChkSum1;//校验和	
	read_spi_data();
	
	if(0 == first_power_on){//新上电或者复位
		first_power_on = 1;
		ChkSum1_high_byte8 = original_high_byte;
		ChkSum1_middle_byte8 = original_middle_byte;
		ChkSum1_low_byte8 = original_low_byte;
	}
	else{
		if((original_high_byte == RESET_ChkSum1_HIGH8) && (original_middle_byte == RESET_ChkSum1_MIDDLE8) && (original_low_byte == RESET_ChkSum1_LOW8)){
		//三相四线，校表数据校验和等于7022B复位值,三相四线等于0x043d03.三相三线等于0x16bd03		
			init_7022B(); //写入校表数据后，1/3秒后7022B才更新校验和数据
			first_power_on = 0;
		}
		else if((original_high_byte != ChkSum1_high_byte8) || (original_middle_byte != ChkSum1_middle_byte8) || (original_low_byte != ChkSum1_low_byte8)){
		//校验和错误
  			init_7022B(); //写入校表数据后，1/3秒后7022B才更新校验和数据
			first_power_on = 0;
		}
	}	
}


void get_spi_U_data(){							   
	int ppt;	
	uint line_vol;
	uint average;
	spi_delay(150);
	

	SPI_DATA_START();
	SPI_CS_LOW_LEVEL();//CS片选下降沿表示SPI操作，上升沿表示操作结束	
	SPI0DAT = r_URmsa;/*U，先写入7022B中Ua寄存器的地址*/
	read_spi_data();
	average = COMBINE_2UCHAR_TO_16UINT(original_high_byte,original_middle_byte);
	if((original_high_byte == Ua.high_byte8) && (original_middle_byte == Ua.low_byte8)){//如果和当前值想相等
		Ua.filter_number = 0;//过滤计数器
	}
	else if((original_high_byte == Ua.high_byte8) && ((abs(original_middle_byte - Ua.low_byte8)) > 9) &&
		((abs(original_middle_byte - Ua.low_byte8)) < 100)){//限幅，避免干扰
		_nop_();
	}
	else{//消抖
		++Ua.filter_number;			
	}
			
	if(Ua.filter_number > FILTER_DITHERING_TIMES){//将本次的值和当前值取平均值作为当前值
		ppt = average * 0.5 + COMBINE_2UCHAR_TO_16UINT(Ua.high_byte8,Ua.low_byte8) * 0.5;
       	original_high_byte = ppt >>8;
		original_middle_byte = ppt;	
		if(((original_high_byte == 0x00) && (original_middle_byte < VAL_TO_ZERO_UA_LOW))
			|| ((original_high_byte == 0xff) && (original_middle_byte > VAL_TO_ZERO_NEGATIVE_UI))){  
			Ua.high_byte8 = 0;
			Ua.low_byte8 = 0;
		}
		else{ 
			if((original_high_byte == Ua.high_byte8) && (abs(Ua.low_byte8 - original_middle_byte) < 10))_nop_();
				
			else if(abs(Ua.high_byte8 - original_high_byte) > DISTURB_WARP_VALUE){
				if(++Ua.burr > STRONG_DISTURB_TIMES){//过滤强干扰
					Ua.burr = 0;
					Ua.high_byte8 = original_high_byte;
					Ua.low_byte8 = original_middle_byte;
				}
				else { _nop_();
				}
			  }

			else{//屏蔽码值小于10的数
				Ua.burr = 0;//强干扰计数器清零
				Ua.high_byte8 = original_high_byte;
				Ua.low_byte8 = original_middle_byte;
			}
		}
	}
	
		SPI_DATA_START();
		SPI_CS_LOW_LEVEL();
		SPI0DAT = r_URmsb;
		read_spi_data();
		average = COMBINE_2UCHAR_TO_16UINT(original_high_byte,original_middle_byte);;


		if((original_high_byte == Ub.high_byte8) && (original_middle_byte == Ub.low_byte8)){//如果和当前值想相等
			Ub.filter_number = 0;//过滤计数器
		}
		else if((original_high_byte == Ub.high_byte8) && ((abs(original_middle_byte - Ub.low_byte8)) > 9) &&
			((abs(original_middle_byte - Ub.low_byte8)) < 100)){//限幅，避免干扰
			_nop_();
		}
		else{//消抖
			++Ub.filter_number;			
		}
			
		if(Ub.filter_number > FILTER_DITHERING_TIMES){//将本次的值和当前值取平均值作为当前值
			ppt = average * 0.5 + COMBINE_2UCHAR_TO_16UINT(Ub.high_byte8,Ub.low_byte8) * 0.5;
			original_high_byte = ppt >>8;
			original_middle_byte = ppt;	
			if(((original_high_byte == 0x00) && (original_middle_byte < VAL_TO_ZERO_UB_LOW))
				|| ((original_high_byte == 0xff) && (original_middle_byte > VAL_TO_ZERO_NEGATIVE_UI))){
				Ub.high_byte8 = 0;
				Ub.low_byte8 = 0;
			}
			else{ 
				if((original_high_byte == Ub.high_byte8) && (abs(Ub.low_byte8 - original_middle_byte) < 10))_nop_();

				else if(abs(Ub.low_byte8 - original_high_byte) > DISTURB_WARP_VALUE){
				if(++Ub.burr > STRONG_DISTURB_TIMES){//过滤强干扰
						Ub.burr = 0;
						Ub.high_byte8 = original_high_byte;
						Ub.low_byte8 = original_middle_byte;
					}
					else { _nop_();
					}
				}
				else{//屏蔽码值小于10的数
					Ub.burr = 0;
					Ub.high_byte8 = original_high_byte;
					Ub.low_byte8 = original_middle_byte;
				}
			}
		}


	

		SPI_DATA_START();
		SPI_CS_LOW_LEVEL();
		SPI0DAT = r_URmsc;
		read_spi_data();
		average = COMBINE_2UCHAR_TO_16UINT(original_high_byte,original_middle_byte);


		if((original_high_byte == Uc.high_byte8) && (original_middle_byte == Uc.low_byte8)){//如果和当前值想相等
			Uc.filter_number = 0;//过滤计数器
		}
		else if((original_high_byte == Uc.high_byte8) && ((abs(original_middle_byte - Uc.low_byte8)) > 9) &&
			((abs(original_middle_byte - Uc.low_byte8)) < 100)){//限幅，避免干扰
			_nop_();
		}
		else{//消抖
			++Uc.filter_number;			
		}
			
		if(Uc.filter_number > FILTER_DITHERING_TIMES){//将本次的值和当前值取平均值作为当前值
			ppt = average * 0.5 + COMBINE_2UCHAR_TO_16UINT(Uc.high_byte8,Uc.low_byte8) * 0.5;
			original_high_byte = ppt >> 8;
			original_middle_byte = ppt;	
			if(((original_high_byte == 0x00) && (original_middle_byte < VAL_TO_ZERO_UC_LOW))
				|| ((original_high_byte == 0xff) && (original_middle_byte > VAL_TO_ZERO_NEGATIVE_UI))){ 
				Uc.high_byte8 = 0;
				Uc.low_byte8 = 0;
			}
			else{ 
				if((original_high_byte == Uc.high_byte8) && (abs(Uc.low_byte8 - original_middle_byte) < 10))_nop_();

				else if(abs(Uc.high_byte8 - original_high_byte) > DISTURB_WARP_VALUE){
				if(++Uc.burr > STRONG_DISTURB_TIMES){//过滤强干扰
						Uc.burr = 0;
						Uc.high_byte8 = original_high_byte;
						Uc.low_byte8 = original_middle_byte;
					}
					else { _nop_();
					}
				}
				else{//屏蔽码值小于10的数
					Uc.burr = 0;
					Uc.high_byte8 = original_high_byte;
					Uc.low_byte8 = original_middle_byte;
				}
			}
		}


	if(((Ua.high_byte8 == 0) && (Ua.low_byte8 == 0)) || ((Ub.high_byte8 == 0) && (Ub.low_byte8 == 0)) || ((Uc.high_byte8 == 0) && (Uc.low_byte8 == 0))){
		if(((Ua.high_byte8 == 0) && (Ua.low_byte8 == 0)) && ((Ub.high_byte8 == 0) && (Ub.low_byte8 == 0))){
			Uab.high_byte8 = 0; Uab.low_byte8 = 0;
			Ubc.high_byte8 = Uc.high_byte8; Ubc.low_byte8 = Uc.low_byte8;
			Uca.high_byte8 = Uc.high_byte8; Uca.low_byte8 = Uc.low_byte8;
		}
		else if(((Ub.high_byte8 == 0) && (Ub.low_byte8 == 0)) && ((Uc.high_byte8 == 0) && (Uc.low_byte8 == 0))){
			Uab.high_byte8 = Ua.high_byte8; Uab.low_byte8 = Ua.low_byte8;
			Ubc.high_byte8 = 0; Ubc.low_byte8 = 0;
			Uca.high_byte8 = Ua.high_byte8; Uca.low_byte8 = Ua.low_byte8;
		}
		else if(((Ua.high_byte8 == 0) && (Ua.low_byte8 == 0)) && ((Uc.high_byte8 == 0) && (Uc.low_byte8 == 0))){
			Uab.high_byte8 = Ub.high_byte8; Uab.low_byte8 = Ub.low_byte8;
			Ubc.high_byte8 = Ub.high_byte8; Ubc.low_byte8 =Ub.low_byte8 ;
			Uca.high_byte8 = 0; Uca.low_byte8 = 0;
		}
			
		else if((Ua.high_byte8  == 0) && (Ua.low_byte8 == 0)){
			Uab.high_byte8  = Ub.high_byte8 ; Uab.low_byte8 = Ub.low_byte8;

			line_vol = ((0 | Ub.high_byte8 )<<8 | Ub.low_byte8) * 1.732;
			Ubc.high_byte8  = line_vol >> 8;
			Ubc.low_byte8 = line_vol;

			Uca.high_byte8  = Uc.high_byte8 ; Uca.low_byte8 = Uc.low_byte8;
		}
		else if((Ub.high_byte8  == 0) && (Ub.low_byte8 == 0)){
			Uab.high_byte8  = Ua.high_byte8 ; Uab.low_byte8 = Ua.low_byte8;

			Ubc.high_byte8  = Uc.high_byte8 ; Ubc.low_byte8 = Uc.low_byte8;

			line_vol = ((0 | Uc.high_byte8)<<8 | Uc.low_byte8) * 1.732;
			Uca.high_byte8 = line_vol >> 8;
			Uca.low_byte8 = line_vol;
		}
		else if((Uc.high_byte8 == 0) && (Uc.low_byte8 == 0)){
			line_vol = ((0 | Ua.high_byte8)<<8 | Ua.low_byte8) * 1.732;
			Uab.high_byte8 = line_vol >> 8;
			Uab.low_byte8 = line_vol;

			Ubc.high_byte8 = Ub.high_byte8; Ubc.low_byte8 = Ub.low_byte8;

			Uca.high_byte8 = Ua.high_byte8; Uca.low_byte8 = Ua.low_byte8;
		}
	}
	else{

		line_vol = ((0 | Uc.high_byte8)<<8 | Uc.low_byte8) * 1.732;
		Uca.high_byte8 = line_vol >> 8;
		Uca.low_byte8 = line_vol; 
	
		line_vol = ((0 | Ua.high_byte8)<<8 | Ua.low_byte8) * 1.732;
		Uab.high_byte8 = line_vol >> 8;
		Uab.low_byte8 = line_vol;

		line_vol = ((0 | Ub.high_byte8)<<8 | Ub.low_byte8) * 1.732;
		Ubc.high_byte8 = line_vol >> 8;
		Ubc.low_byte8 = line_vol;
	}
}


void get_spi_I_data(){
	uchar kt1 = 0;								   
	int ppt;
	uint average;	

	SPI_DATA_START();
	SPI_CS_LOW_LEVEL();
	SPI0DAT = r_IRmsa;/*I*/
	read_spi_data();				 
	recombine_i_data();
	average = COMBINE_2UCHAR_TO_16UINT(new_recombine_high,new_recombine_low);


	if((new_recombine_high == Ia.high_byte8) && (abs((new_recombine_low - Ia.low_byte8)<5))){//如果和当前值想相等
		Ia.filter_number = 0;//过滤计数器
	}
	else if((new_recombine_high == Ia.high_byte8) && ((abs(new_recombine_low - Ia.low_byte8)) > 15) &&
		((abs(new_recombine_low - Ia.low_byte8)) < 100)){//限幅，避免干扰
		_nop_();
	}
	else{//消抖
		++Ia.filter_number;			
	}
			
	if(Ia.filter_number > FILTER_DITHERING_TIMES){//将本次的值和当前值取平均值作为当前值
		ppt = average * 0.5 + COMBINE_2UCHAR_TO_16UINT(Ia.high_byte8,Ia.low_byte8) * 0.5;
		new_recombine_high = ppt >>8;
		new_recombine_low = ppt;	
		if(((new_recombine_high == 0x00) && (new_recombine_low < VAL_TO_ZERO_IA_LOW))
			||((new_recombine_high == 0xff) && (new_recombine_low > VAL_TO_ZERO_NEGATIVE_UI))){  //正负0.5
			Ia.high_byte8 = 0;
			Ia.low_byte8 = 0;
		}
		else{ 
			if((new_recombine_high == Ia.high_byte8) && (abs(Ia.low_byte8 - new_recombine_low) < 25))_nop_();

			else if(abs(Ia.high_byte8 - new_recombine_high) > DISTURB_WARP_VALUE){
				if(++Ia.burr > STRONG_DISTURB_TIMES){//过滤强干扰
					Ia.burr = 0;
					Ia.high_byte8 = new_recombine_high;
					Ia.low_byte8 = new_recombine_low;
				}
				else {
					 _nop_();
				}
			}
			else{//屏蔽码值小于10的数
				Ia.burr = 0;
				Ia.high_byte8 = new_recombine_high;
				Ia.low_byte8 = new_recombine_low;
			}
		}
	}




	
		SPI_DATA_START();
		SPI_CS_LOW_LEVEL();
		SPI0DAT = r_IRmsb;
		read_spi_data();
		recombine_i_data();
		average = COMBINE_2UCHAR_TO_16UINT(new_recombine_high,new_recombine_low);


		if((new_recombine_high == Ib.high_byte8) && (abs((new_recombine_low - Ib.low_byte8)<5))){//如果和当前值想相等
			Ib.filter_number = 0;//过滤计数器
		}
		else if((new_recombine_high == Ib.high_byte8) && ((abs(new_recombine_low - Ib.low_byte8)) > 15) &&
			((abs(new_recombine_low - Ib.low_byte8)) < 100)){//限幅，避免干扰
			_nop_();
		}
		else{//消抖
			++Ib.filter_number;			
		}
			
		if(Ib.filter_number > FILTER_DITHERING_TIMES){//将本次的值和当前值取平均值作为当前值
			ppt = average * 0.5 + COMBINE_2UCHAR_TO_16UINT(Ib.high_byte8,Ib.low_byte8) * 0.5;
			new_recombine_high = ppt >>8;
			new_recombine_low = ppt;	
			if(((new_recombine_high == 0x00) && (new_recombine_low < VAL_TO_ZERO_IA_LOW))
				||((new_recombine_high == 0xff) && (new_recombine_low > VAL_TO_ZERO_NEGATIVE_UI))){
				Ib.high_byte8 = 0;
				Ib.low_byte8 = 0;
			}
			else{ 
				if((ne