#include "provalctrl.h"



//初始化比例阀相关参数
propotion_valve pv_one;
propotion_valve pv_two;

float data_wr[3] = {0};	//[0,1,2] -> “Kp, Ti, Td”
float data_rd[3] = {0};

void prov_init(void)						//不同比例阀的初始参数不一样					
{
	ee_readfloats(PRO1_ADDR,data_rd,3);//读取存储在EEPROM里的PID参数
	pv_one.status = PROV_RUNNING;
	pv_one.tag = 1;								//标签，比例阀1
	for(uint8_t i = 0;i < SLDW_PRES_OUT;i++)	//前n个时刻的输出气压
	{
		pv_one.previous_pressure[i] = 0;
	}
	pv_one.current_pressure = 0;	//当前气压，Kpa
	pv_one.current_percent = 0;		//当前气压百分比（ 0~900Kpa -> 0~100% ）
	pv_one.target_pressure = 0;		//目标气压，Kpa
	pv_one.target_percent = 0;		//目标气压百分比（ 0~900Kpa -> 0~100% ）
	pv_one.target_current = 0;		//目标值的理论电流
	pv_one.current_input = 0;			//当前输入电流
	pv_one.input_min = 4;					//输入电流下限4mA
	pv_one.input_max = 20;				//输入电流上限20mA
	pv_one.bias = 0;							//偏差 = 目标气压百分比 - 当前气压百分比
	pv_one.bias_previous = 0;			//前一个时刻的偏差
	pv_one.bias_area = 0.5;				//允许的误差范围，±a(%)
	
	pv_one.Kp = (isnan(data_rd[0]))?(0):(data_rd[0]);	//比例系数
	pv_one.Ti = (data_rd[1] == 0)?(1000000):(data_rd[1]);	//积分时间，位于分母
	pv_one.Ing = 0;								//积分输出
	pv_one.Ing_max = 5000;					//积分上限
	pv_one.Ing_min = 0;					//积分下限
	pv_one.Ing_sum = 0;						//偏差求和
	pv_one.Td = data_rd[2];				//微分时间
	pv_one.Ts = 0.05;							//采样周期，50ms
	pv_one.Div = 0;								//微分输出
	pv_one.pidout = 0;
	pv_one.pidout_max = 0;
	pv_one.pidout_min = 0;
	pv_one.slow_down_flg = 0;
	
//	pv_one.cstep_gasin = 0.001;		//逐步接近的电流步长，mA,充气
//	pv_one.cstep_gasout = 0.002;	//逐步接近的电流步长，mA,排气
//	pv_one.cstep_max = 0;					//逐步接近的电流范围上限
//	pv_one.cstep_min = 0;					//逐步接近的电流范围下限
//	pv_one.cstep_wait = 0;
	
	pv_one.pvout = ao_blf1_set;		//DAC输出函数
	pv_one.pvout(0);							//输出0mA
	
/************************************************/

	ee_readfloats(PRO2_ADDR,data_rd,3);
	pv_two.status = PROV_RUNNING;
	pv_two.tag = 2;								//标签，比例阀2
	for(uint8_t i = 0;i < SLDW_PRES_OUT;i++)	//前n个时刻的输出气压
	{
		pv_two.previous_pressure[i] = 0;
	}
	pv_two.current_pressure = 0;
	pv_two.current_percent = 0;
	pv_two.target_pressure = 0;
	pv_two.target_percent = 0;
	pv_two.target_current = 0;		//目标值的理论电流
	pv_two.current_input = 0;
	pv_two.input_min = 4;
	pv_two.input_max = 20;
	pv_two.bias = 0;
	pv_two.bias_previous = 0;			//前一个时刻的偏差
	pv_two.bias_area = 0.5;
	
	pv_two.Kp = (isnan(data_rd[0]))?(0):(data_rd[0]);;
	pv_two.Ti = (data_rd[1] == 0)?(1000000):(data_rd[1]);	//积分时间
	pv_two.Ing = 0;
	pv_two.Ing_max = 5000;
	pv_two.Ing_min = 0;
	pv_two.Ing_sum = 0;
	pv_two.Td = data_rd[2];
	pv_two.Ts = 0.05;							//采样周期，50ms
	pv_two.Div = 0;
	pv_two.pidout = 0;
	pv_two.pidout_max = 0;
	pv_two.pidout_min = 0;
	pv_two.slow_down_flg = 0;
	
//	pv_two.cstep_gasin = 0.001;		//逐步接近的电流步长，mA,充气
//	pv_two.cstep_gasout = 0.002;	//逐步接近的电流步长，mA,排气
//	pv_two.cstep_max = 0;
//	pv_two.cstep_min = 0;
//	pv_two.cstep_wait = 0;
	
	pv_two.pvout = ao_blf2_set;
	pv_two.pvout(0);
}



//初始化自整定相关的参数
prov_adjust adj_pv1;
prov_adjust adj_pv2;

void prov_adj_init(void)
{
	adj_pv1.adj_flag = 0;											//自整定标志，0：空闲，1：整定中
	for( uint8_t i = 0;i < OSCILL_TIMES;i++)	//继电整定，振荡幅值,振荡周期
	{
		adj_pv1.relay_a[i] = 0;
		adj_pv1.relay_tc[i] = 0;
	}
	adj_pv1.relay_d = 0.15;										//继电整定，回环幅值
	adj_pv1.air_source = 0;										//气源，单位Kpa
	adj_pv1.middle_current = 0;								//中间气压电流
	adj_pv1.oscil_times = 0;									//振荡次数
	
/*****************************************************/
	
	adj_pv2.adj_flag = 0;											//自整定标志，0：空闲，1：整定中
	for( uint8_t i = 0;i < OSCILL_TIMES;i++)	//继电整定，振荡幅值,振荡周期
	{
		adj_pv2.relay_a[i] = 0;
		adj_pv2.relay_tc[i] = 0;
	}
	adj_pv2.relay_d = 0.15;										//继电整定，回环幅值
	adj_pv2.air_source = 0;										//气源，单位Kpa
	adj_pv2.middle_current = 0;								//中间气压电流
	adj_pv2.oscil_times = 0;									//振荡次数
}

float out_makeup = 0.05;
void prov_set(float target_p, propotion_valve *pvx)			//比例阀目标值设定，调节范围计算
{
		target_p = (target_p < pvx->input_max)?(target_p):(pvx->input_max);  	//dac输出限幅
		target_p = (target_p > pvx->input_min)?(target_p):(pvx->input_min);

		pvx->target_percent = (target_p - pvx->input_min) / (pvx->input_max - pvx->input_min)*100;
		pvx->target_pressure = pvx->target_percent/100*900;										//Kpa, 比例阀 (4~20mA -> 0~0.9Mpa)
		switch (pvx->tag)
		{
			case 1:
			{
				target_p = (prov_section_calculate(target_p,&adj_pv1) > 0)?(prov_section_calculate(target_p,&adj_pv1)):(target_p);
			}
			break;

			case 2:
			{
				target_p = (prov_section_calculate(target_p,&adj_pv2) > 0)?(prov_section_calculate(target_p,&adj_pv2)):(target_p);
			}
			break;

			default:
			break;
		}
		pvx->target_current = target_p;							//记录当前理论模拟输出
		pvx->pidout_max = pvx->target_current*(1 + out_makeup);	//pid输出调节上限
		pvx->pidout_min = pvx->target_current*(1 - out_makeup);	//pid输出调节下限
	
		pvx->gas_direction = (pvx->target_current >= pvx->current_input)?(GAS_IN):(GAS_OUT);	//判断即将进行充气还是排气
	
		pvx->current_input = pvx->target_current;						//理论值作为当前输出值
//		pvx->cstep_max = pvx->current_input + (float)0.8;		//逐步输出调节上限
//		pvx->cstep_min = pvx->current_input - (float)0.8;		//逐步输出调节下限
//		pvx->cstep_wait = 0;																//等待计数清零
	
		pvx->slow_down_flg = 0;															//减速标志清零
	
		pvx->pvout(pvx->current_input);											//dac输出
}

float prov_section_calculate(float target_pressure, prov_adjust *adj_pvx)				//分段计算达到目标气压所需的电流
{ 
	float target_current = 0;
	if(adj_pvx->table_current[0] == 0) return -1;		//未经过整定

	for(uint8_t i = 0;i < SECTION_NUM - 1;i++)
	{
		if( (target_pressure >= adj_pvx->table_pressure[i]) && (target_pressure < adj_pvx->table_pressure[i+1]) )
		{
			target_current = adj_pvx->table_current[i]+(adj_pvx->table_current[i+1] - adj_pvx->table_current[i]) \
			 * (target_pressure - adj_pvx->table_pressure[i])/(adj_pvx->table_pressure[i+1] - target_pressure < adj_pvx->table_pressure[i]);
		}

		if(target_pressure >= adj_pvx->table_pressure[SECTION_NUM - 1]) target_current = adj_pvx->table_current[SECTION_NUM - 1];
	} 
	return target_current;
}

//绝对值计算
float abs_bias(float bias)	
{
	bias =( bias>=0 )?(bias):(-bias);
	return bias;
}


//pid控制
float beta_in = 0, beta_out = 0;		//变速积分
void prov_calibrate_pid(propotion_valve *pvx)	
{
	if( (abs_bias(pvx->bias) > pvx->bias_area ) && (abs_bias(pvx->bias) < BIAS_MAX) )	//误差进入目标±BIAS_MAX%以内后再进行控制
	{
		//变速积分
		beta_in = ( abs_bias(pvx->bias*pvx->bias) + BIAS_MAX ) / ( BIAS_MAX );	
		beta_out = ( abs_bias(pvx->bias) + BIAS_MAX/2 ) / ( BIAS_MAX );	
		
		//充放气过程分开处理
		switch(pvx->gas_direction)																						
		{
			case GAS_IN:	//充气
			{
				pvx->Ing_sum += pvx->bias * beta_in;																					//偏差求和
				pvx->Ing_sum = (pvx->Ing_sum > pvx->Ing_max)?(pvx->Ing_max):(pvx->Ing_sum);		//积分限幅
				pvx->Ing_sum = (pvx->Ing_sum < pvx->Ing_min)?(pvx->Ing_min):(pvx->Ing_sum);

				pvx->Ing = ( pvx->Ts / pvx->Ti ) * pvx->Ing_sum;									//积分项
		
				pvx->Div = ( pvx->Td / pvx->Ts ) * ( pvx->bias - pvx->bias_previous );	//微分项
				
				pvx->pidout = pvx->Kp*( pvx->bias + pvx->Ing + pvx->Div );			//pid输出
				pvx->current_input = (pvx->pidout/100) * (pvx->input_max - pvx->input_min) + pvx->input_min;
			}
			break;
			
			case GAS_OUT:	//排气
			{
				pvx->Ing_sum += pvx->bias * beta_out;																				//偏差求和
				pvx->Ing_sum = (pvx->Ing_sum > pvx->Ing_max)?(pvx->Ing_max):(pvx->Ing_sum);		//积分限幅
				pvx->Ing_sum = (pvx->Ing_sum < pvx->Ing_min)?(pvx->Ing_min):(pvx->Ing_sum);
				
				pvx->Ing = ( pvx->Ts / pvx->Ti ) * pvx->Ing_sum;									//积分项
		
				pvx->Div = ( pvx->Td / pvx->Ts ) * ( pvx->bias - pvx->bias_previous );	//微分项
				
				pvx->pidout = pvx->Kp*( pvx->bias + pvx->Ing + pvx->Div );		//pid输出
				pvx->current_input = (pvx->pidout/100) * (pvx->input_max - pvx->input_min) + pvx->input_min;
			}
			break;
			
			default:
			{
			}
			break;
		}
		
		pvx->current_input = (pvx->current_input < pvx->pidout_max)?(pvx->current_input):(pvx->pidout_max);		//充气时限制输出上限
		pvx->current_input = (pvx->current_input > pvx->pidout_min)?(pvx->current_input):(pvx->pidout_min);		//排气时限制输出下限
		
		pvx->bias_previous = pvx->bias;																					//更新前一个时刻的偏差

		if( abs_bias(pvx->previous_pressure[0] - pvx->previous_pressure[SLDW_PRES_OUT - 1]) <= 10 )						//判断是否趋于稳定
		{
			pvx->slow_down_flg = 1;
		}
		
		pvx->current_input = (pvx->target_current < pvx->input_max*(float)(0.995))?(pvx->current_input):(pvx->input_max);			//小信号切除
		if( pvx->target_current <= pvx->input_min*(float)(1.005) )
		{
			pvx->current_input = pvx->input_min;
			pvx->Ing_sum = 0;
		}
		
		pvx->pvout(pvx->current_input);		//dac输出
		
	}else if(abs_bias(pvx->bias) >= BIAS_MAX)
	{
		switch(pvx->gas_direction)																						//根据气体方向对输出范围做补偿
		{
			case GAS_IN:
			{
				pvx->Ing_sum = (pvx->target_percent - 100*out_makeup) / pvx->Kp / ( pvx->Ts / pvx->Ti );		//预估积分值，改善滞后
				pvx->Ing_sum = (pvx->Ing_sum < pvx->Ing_min)?(pvx->Ing_min):(pvx->Ing_sum);
			}
			break;
			
			case GAS_OUT:
			{
				pvx->Ing_sum = pvx->target_percent / pvx->Kp / ( pvx->Ts / pvx->Ti );		//预估积分值，改善滞后
			}
			break;
			
			default:
			{
			}
			break;
		}
		
	}

}



//模拟量控制
float ao_dwq = 0;																		//AO输出电流值(定位器)
float ao_blf1 = 0;																		//AO输出电流值(比例阀)
float ao_blf2 = 0;																		//AO输出电流值(比例阀)
float atm_pressure = 0;																	//用于存放大气绝压，单位：0.1Kpa
adj_steps astep = ADJ_WAIT;																//自整定步骤，继电反馈
adj_section_steps astep_s = SECTION_WAIT;												//自整定步骤，分段

void analog_ctrl(void)
{
	if(ao_dwq != (float)(HoldReg[0]) / 1000)								//保持寄存器值发生变化时dac输出
	{
		ao_dwq  = (float)(HoldReg[0]) / 1000;									// uA -> mA
		if(ao_dwq  > 25)	ao_dwq  = 25;												//定位器控制
		ao_dwq_set(ao_dwq);
	}
	
	if( ao_blf1!= (float)(HoldReg[1]) / 1000)								//保持寄存器值发生变化时dac输出
	{
		ao_blf1 = (float)(HoldReg[1]) / 1000;									// uA -> mA
		prov_set(ao_blf1,&pv_one);														//控制比例阀1
	}
	
	if(ao_blf2 != (float)(HoldReg[2]) / 1000)								//保持寄存器值发生变化时dac输出
	{
		ao_blf2 = (float)(HoldReg[2]) / 1000;									// uA -> mA
		prov_set(ao_blf2,&pv_two);														//控制比例阀2
	}
	
	if( (CoilState[3]&(0x40)) == 0x40  )										//触发比例阀1自整定
	{
		if(astep == ADJ_WAIT)
		{
			pv_one.status = PROV_ADJUSTING;
		}
	}	
	
	if( (CoilState[3]&(0x20)) == 0x20  )
	{
		if(astep == ADJ_WAIT)
		{
			pv_two.status = PROV_ADJUSTING;
		}
	}	
	
	
	if(it_100ms_flag_pv == 1)																					//每隔100ms更新一次数据
	{
		it_100ms_flag_pv = 0;
		
		InputReg[7] = ( (InputReg[7]<16000)&&(InputReg[7]>8000) )?(InputReg[7]):(12000);		//应对没接大气压力的情况
		atm_pressure = ( (InputReg[7] - 4000)/(float)16000.0 ) * 2000;	//大气绝压更新,4~20mA->0~200Kpa
		
		for(uint8_t i = 1;i< SLDW_PRES_OUT;i++)													//滑动窗口，记录历史纯输出气压
		{
			pv_one.previous_pressure[SLDW_PRES_OUT - i] = pv_one.previous_pressure[SLDW_PRES_OUT - i - 1];
			pv_two.previous_pressure[SLDW_PRES_OUT - i] = pv_two.previous_pressure[SLDW_PRES_OUT - i - 1];
		}
		pv_one.previous_pressure[0] = pv_one.current_pressure;
		pv_two.previous_pressure[0] = pv_two.current_pressure;
	
		//比例阀1数据更新：当前气压、当前气压百分比、百分比偏差、当前输入电流（单片机->比例阀）
		pv_one.current_pressure = (InputReg[16] - atm_pressure)/(float)10;		//Kpa，sensor1 A口绝压转表压
		pv_one.current_percent = pv_one.current_pressure/900*100;
		pv_one.bias = pv_one.target_percent - pv_one.current_percent;
		
		//比例阀2数据更新：当前气压、当前气压百分比、百分比偏差、当前输入电流（单片机->比例阀）
		pv_two.current_pressure = (InputReg[17] - atm_pressure)/(float)10;		//Kpa，sensor1 B口绝压转表压
		pv_two.current_percent = pv_two.current_pressure/900*100;
		pv_two.bias = pv_two.target_percent - pv_two.current_percent;
	}
	
	if(it_50ms_flag_pv == 1)																//每隔50ms校准一次
	{
		it_50ms_flag_pv = 0;
		
		//每个比例阀对应两个电磁阀，一个是气源一个是锁止阀
		if( (CoilState[0]&(0x03)) == 0x03  )									//2个电磁阀都开启的情况下才进行控制比例阀1,否则保持
	  {
			if(pv_two.status != PROV_ADJUSTING)									//对其中一个比例阀进行自整定时，不对另一个进行控制
			{
				prov_ctrl(&pv_one, &adj_pv1);
			}
		}
		
		if( (CoilState[0]&(0x0C)) == 0x0C  )									//2个电磁阀都开启的情况下才进行控制比例阀2,否则保持
		{
			if(pv_one.status != PROV_ADJUSTING)									//对其中一个比例阀进行自整定时，不对另一个进行控制
			{
				prov_ctrl(&pv_two, &adj_pv2);
			}
		}

	}
	
}



//逐步接近法
//void prov_calibrate_step(propotion_valve *pvx)	
//{
//	pvx->cstep_wait = (pvx->cstep_wait > 254)?(pvx->cstep_wait):(pvx->cstep_wait + 1);	//每100ms加一次，上限255
//	
//	if( pvx->cstep_wait > CSTEP_WAIT_MAX)	//目标更新X秒后，误差仍不符合条件时再进行微步调节
//	{
//		if( (pvx->bias > pvx->bias_area) && (pvx->bias < BIAS_MAX) ) 	//正偏差（目标-实际），输出偏小
//		{
//			pvx->current_input += ((pvx->bias < 1))?(pvx->cstep_gasin):(pvx->cstep_gasin*3);
//			
//			pvx->current_input = (pvx->current_input <= pvx->cstep_max)?(pvx->current_input):(pvx->cstep_max);			//dac输出限幅
//			pvx->current_input = (pvx->current_input <= pvx->input_max)?(pvx->current_input):(pvx->input_max);
//			
//			pvx->pvout(pvx->current_input);
//		}
//		
//		if( (pvx->bias < -pvx->bias_area) && (pvx->bias > -BIAS_MAX) )	//负偏差（目标-实际），输出偏大
//		{
//			pvx->current_input -= ((pvx->bias > -1))?(pvx->cstep_gasin):(pvx->cstep_gasout*3);
//			
//			pvx->current_input = (pvx->current_input >= pvx->cstep_min)?(pvx->current_input):(pvx->cstep_min);			//dac输出限幅
//			pvx->current_input = (pvx->current_input >= pvx->input_min)?(pvx->current_input):(pvx->input_min);
//			
//			pvx->pvout(pvx->current_input);
//		}
//	}
//	

//}



//比例阀控制
void prov_ctrl(propotion_valve *pvx, prov_adjust *adj_pvx)
{
		switch(pvx->status)
		{
			case PROV_RUNNING:							//介入控制
			{
				if(adj_pvx->adj_flag == 1)		//进入此处说明整定被打断
				{
					//整定结束
					prov_adj_init();
					astep = ADJ_WAIT;
				}
				
//			prov_calibrate_step(&pvx);
				prov_calibrate_pid(pvx);
			}
			break;
			
			case PROV_ADJUSTING:						//自整定
			{
				//继电反馈
				if(astep == ADJ_WAIT)
				{
					prov_adj_init();
					adj_pvx->adj_flag = 1;			//整定开始
					astep = ADJ_START;
				}
				prov_adj(pvx, adj_pvx);

				//分段
				if(astep_s == SECTION_WAIT)
				{
					prov_adj_section_init();
					adj_pvx->adj_flag = 1;			//整定开始
					astep_s = SECTION_START;
				}
				prov_adj_section(pvx, adj_pvx);
			}
			break;
			
			case PROV_HOLDING:							//保持原样，不介入控制
			{
				if(adj_pvx->adj_flag == 1)		//进入此处说明整定被打断
				{
					//整定结束
					prov_adj_init();
					astep = ADJ_WAIT;
				}
			}
			break;
			
			default:
			{
				return;
			}
		}
}



//PID参数自整定
int tick_previous = -1;	//用于计时
int tick_current = -1;
uint8_t hys_flag = 0;		//0:充气, 1:排气

void prov_adj(propotion_valve *pvx, prov_adjust *adj_pvx)
{
	switch(astep)
	{
		case ADJ_START:
		{
			if(tick_previous == -1)
			{	
				tick_previous = tick500ms;
				prov_set(4,pvx);//排空气体
			}
			tick_current = tick500ms;
			
			if( (tick_current - tick_previous) > 20)		//等待20*500ms
			{
				//记录此时气源压力
				adj_pvx->air_source = (InputReg[18] - atm_pressure) / (float)10;
				
				tick_previous = -1;
				tick_current = -1;
				astep++;
			}else if( (tick_current - tick_previous) < 0)
			{
				tick_previous = -1;
				tick_current = -1;
			}
		}
		break;
		
		case ADJ_MOVE2MIDDLE:
		{
			if(tick_previous == -1)
			{	
				tick_previous = tick500ms;
				
				adj_pvx->middle_current = (adj_pvx->air_source/2/900)*(pvx->input_max - pvx->input_min) + pvx->input_min;					//输出气源50%压力
				adj_pvx->middle_current = (adj_pvx->middle_current < pvx->input_max)?(adj_pvx->middle_current):(pvx->input_max);	//dac输出限幅
				adj_pvx->middle_current = (adj_pvx->middle_current > pvx->input_min)?(adj_pvx->middle_current):(pvx->input_min);
				
				prov_set(adj_pvx->middle_current,pvx);	
			}
			tick_current = tick500ms;
			
			if( (tick_current - tick_previous) > 10)		//等待10*500ms
			{
				tick_previous = -1;
				tick_current = -1;
				astep++;
			}else if( (tick_current - tick_previous) < 0)
			{
				tick_previous = -1;
				tick_current = -1;
			}
		}
		break;
		
		case ADJ_OSCILLATE:
		{
			if(adj_pvx->oscil_times < OSCILL_TIMES)	//振荡次数是否达到目标
			{
				if(tick_previous == -1)								//计时开始，记录起始时间
				{	
					tick_previous = tick500ms;
				}else
				{
					//记录第 oc_times 个周期的峰值
					adj_pvx->relay_a[adj_pvx->oscil_times] = (adj_pvx->relay_a[adj_pvx->oscil_times] < pvx->current_pressure)?(pvx->current_pressure):(adj_pvx->relay_a[adj_pvx->oscil_times]);
				}
				tick_current = tick500ms;													//记录当前时间
				
				if( (tick_current - tick_previous) > TICK_LIMIT )	//是否超时，TICK_LIMIT*500ms
				{
					astep = ADJ_END;											//强制打断
				}else if( (tick_current - tick_previous) < 0)
				{
					tick_previous = -1;
					tick_current = -1;
				}
				
				if( ( pvx->current_pressure < (adj_pvx->air_source/2*(1 + adj_pvx->relay_d)) ) && (hys_flag == 0) )			//充气振荡
				{
					pvx->current_input = adj_pvx->middle_current*(1 + adj_pvx->relay_d);			//输出气源 50*(1+d)% 压力
					pvx->current_input = (pvx->current_input < pvx->input_max)?(pvx->current_input):(pvx->input_max);	//dac输出限幅
					pvx->current_input = (pvx->current_input > pvx->input_min)?(pvx->current_input):(pvx->input_min);
					
					prov_set(pvx->current_input,pvx);	
				}else if( pvx->current_pressure >= (adj_pvx->air_source/2*(1 + adj_pvx->relay_d)) && (hys_flag == 0))		//切换至排气
				{
					hys_flag = 1;												
				}
				
				if( ( pvx->current_pressure > (adj_pvx->air_source/2*(1 - adj_pvx->relay_d)) ) && (hys_flag == 1) )			//排气振荡
				{
					pvx->current_input = adj_pvx->middle_current*(1 - adj_pvx->relay_d);			//输出气源 50*(1-d)% 压力
					pvx->current_input = (pvx->current_input < pvx->input_max)?(pvx->current_input):(pvx->input_max);	//dac输出限幅
					pvx->current_input = (pvx->current_input > pvx->input_min)?(pvx->current_input):(pvx->input_min);
					
					prov_set(pvx->current_input,pvx);	
				}else if( pvx->current_pressure <= (adj_pvx->air_source/2*(1 - adj_pvx->relay_d)) && (hys_flag == 1) )	//切换至充气
				{
					hys_flag = 0;			
					adj_pvx->relay_tc[adj_pvx->oscil_times] = (tick_current - tick_previous) * 500;	//振荡周期，单位ms
					
					tick_previous = -1;																															//重新开始计时
					tick_current = -1;
					adj_pvx->oscil_times++;																													//开始下一次振荡
				}
			}else									//振荡次数达到目标
			{
				if(tick_previous == -1)
				{	
					tick_previous = tick500ms;
				}
				tick_current = tick500ms;
			
				if( (tick_current - tick_previous) > 6)		//等待6*500ms后排气
				{
					prov_set(4,pvx);
					
					tick_previous = -1;
					tick_current = -1;
					
					astep++;
				}else if( (tick_current - tick_previous) < 0)
				{
					tick_previous = -1;
					tick_current = -1;
				}
			}
			
		}
		break;
		
		case ADJ_CALCULATE:
		{
			for(uint8_t i = 0;i < OSCILL_TIMES; i++)		//对振荡周期和峰值作均值滤波
			{
				adj_pvx->relay_A += adj_pvx->relay_a[i];
				adj_pvx->relay_Tc += adj_pvx->relay_tc[i];
			}
			adj_pvx->relay_A /= OSCILL_TIMES * ( adj_pvx->air_source/2 * (1 + adj_pvx->relay_d) );
			adj_pvx->relay_Tc /= OSCILL_TIMES;
			
			/* PI  [0.45,0.8]*/
			/* PID  [0.6,0.5,0.12]*/
			pvx->Kp = (float)0.6 * ( 4 * (float)0.1 ) / ( (float)3.1415 * adj_pvx->relay_A ) / 3;
			pvx->Ti = (float)0.5 * adj_pvx->relay_Tc/1000 / 20;		
			pvx->Td = (float)0.12 * adj_pvx->relay_Tc/1000;	
			
			pvx->Ing_sum = 0;
			
			
			switch(pvx->tag)
			{
				case 1:
				{
					data_wr[0] = pvx->Kp;
					data_wr[1] = pvx->Ti;
					data_wr[2] = pvx->Td;
					ee_writefloats(PRO1_ADDR,data_wr,3);
				}
				break;
				
				case 2:
				{
					data_wr[0] = pvx->Kp;
					data_wr[1] = pvx->Ti;
					data_wr[2] = pvx->Td;
					ee_writefloats(PRO2_ADDR,data_wr,3);
				}
				break;
				default:
				{
				}
				break;
			}
			
			astep++;
		}
		break;
		
		case ADJ_END:
		{
			if(tick_previous == -1)
			{	
				tick_previous = tick500ms;
			}
			tick_current = tick500ms;
			if( (tick_current - tick_previous) > 10)	//等待10*500ms后恢复控制（等待期间：排气 + 计算结果）
			{
				switch(pvx->tag)												//重新触发保持寄存器
				{
					case 1:
					{
						ao_blf1 = 0;
						CoilState[3] &= 0xBF;								//D6 = 0, [1011 1111]
					}
					break;
					
					case 2:
					{
						ao_blf2 = 0;
						CoilState[3] &= 0xDF;								//D5 = 0, [1101 1111]
					}
					break;
					default:
					{
					}
					break;
				}
				
				tick_previous = -1;
				tick_current = -1;
				prov_adj_init();
				pvx->status = PROV_RUNNING;							//恢复控制
			
				astep++;
			}else if( (tick_current - tick_previous) < 0)
			{
				tick_previous = -1;
				tick_current = -1;
			}
		}
		break;
		
		case ADJ_WAIT:
		{

		}
		break;
		
		default:
		{
			return;
		}
	}
}

void prov_adj_section_init(void)
{
	adj_pv1.adj_flag = 0;
	adj_pv1.stable_area = 9;
	adj_pv1.wait_tick = 10;
	
	adj_pv2.adj_flag = 0;
	adj_pv2.stable_area = 9;
	adj_pv2.wait_tick = 10;

	for(uint8_t i = 0; i < SECTION_NUM; i++)
	{
		adj_pv1.table_current[i] = 0;
		adj_pv1.table_pressure[i] = 0;
		adj_pv2.table_current[i] = 0;
		adj_pv2.table_pressure[i] = 0;
	}
	
}

uint8_t temp_cnt = 0;
void prov_adj_section(propotion_valve *pvx, prov_adjust *adj_pvx)
{
	switch (astep_s)
	{
		case SECTION_START:
		{
			if(tick_previous == -1)
			{	
				tick_previous = tick500ms;
				prov_set(4,pvx);//排空气体
			}
			tick_current = tick500ms;
			
			if( (tick_current - tick_previous) > 20)		//等待20*500ms
			{
				tick_previous = -1;
				tick_current = -1;
				astep_s++;
			}else if( (tick_current - tick_previous) < 0)
			{
				tick_previous = -1;
				tick_current = -1;
			}
		}
		break;

		case SECTION_RECORD_AIRSOURCE:
		{
			//记录此时气源压力
			adj_pvx->air_source = (InputReg[18] - atm_pressure) / (float)10;
			adj_pvx->table_current[SECTION_NUM-1] = adj_pvx->air_source/900 * (pvx->input_max - pvx->input_min) + pvx->input_min;
			for(uint8_t i = 0;i < SECTION_NUM - 1;i++)
			{
				adj_pvx->table_current[i] = pvx->input_min + i * (adj_pvx->table_current[SECTION_NUM-1] - pvx->input_min)/(SECTION_NUM - 1);
			}
			astep_s++;
		}
		break;

		case SECTION_MOVE:
		{
				if(tick_previous == -1)
				{	
					tick_previous = tick500ms;
					prov_set( adj_pvx->table_current[temp_cnt], pvx );					//设定分段电流
				}
				tick_current = tick500ms;
				if( (tick_current - tick_previous) > adj_pvx->wait_tick)		//等待tick*500ms
				{
					adj_pvx->table_pressure[temp_cnt] = pvx->current_pressure;	//记录当前实际气压

					tick_previous = -1;											//准备下一次计时
					tick_current = -1;

					temp_cnt++;
					if(temp_cnt >= SECTION_NUM)
					{
						temp_cnt = 0;
						astep_s++;
					}
				}else if( (tick_current - tick_previous) < 0)
				{
					tick_previous = -1;
					tick_current = -1;
				}
		}
		break;

		case SECTION_END:
		{
			if(tick_previous == -1)
			{	
				tick_previous = tick500ms;
			}
			tick_current = tick500ms;
			if( (tick_current - tick_previous) > 10)	//等待10*500ms后恢复控制（等待期间：排气 + 计算结果）
			{
				switch(pvx->tag)												//重新触发保持寄存器
				{
					case 1:
					{
						ao_blf1 = 0;
					}
					break;
					
					case 2:
					{
						ao_blf2 = 0;
					}
					break;
					default:
					{
					}
					break;
				}
				
				tick_previous = -1;
				tick_current = -1;
				prov_adj_section_init();
				pvx->status = PROV_HOLDING;							//恢复控制
			
				astep++;
			}else if( (tick_current - tick_previous) < 0)
			{
				tick_previous = -1;
				tick_current = -1;
			}
		}
		break;
		
		case SECTION_WAIT:
		{
		}
		break;

	default:
		break;
	}
}