collect/Core/Src/tem.c

#include "tem.h"
#include "usart.h"

Tem_Inf tem_inf[SENSOR_DEEP];
//extern void Pressure_state(uint16_t CangNum);
void Tem_Init(void)
{

}

uint8_t Parse_Tem(uint8_t* data, Tem_Tpye type)
{
    uint8_t cang_id = data[0] - TEM_STARTADDR;
    uint8_t error = 0;
    uint16_t ModbusCRC;
    uint16_t ADC_Value1, ADC_Value2;
    float voltage1, voltage2;
    uint8_t i=0;

    typedef union{
   float value;
   uint8_t arr[4];
  }Hex_to_float;
	
	static Hex_to_float hex_to_float;


    //tem_inf[cang_id].RTData_Num = 1;//三点测温
    //tem_inf[cang_id].ErrorCnt = 0;

    if(Tem_FST100_611 == type){ //一次获取两个仓的温度数据
			
			ModbusCRC = data[7]<<8;
			ModbusCRC |= data[8];
			
        if(data[1]!=0x03)              //校验读写属性
        {
            error = 1;
        }
        else if(data[2] != 0x04)			//校验数据长度
        {
            error = 1;
        }
        else if(ModbusCRC != LIB_CRC_MODBUS(data,7))		//校验CRC
        {
            error = 1;
        }

        if(0 == error){

            tem_inf[cang_id].RTData_Num = 1;
            tem_inf[cang_id].ErrorCnt = 0;
            tem_inf[cang_id].Error = 0;

            tem_inf[cang_id+1].RTData_Num = 1;
            tem_inf[cang_id+1].ErrorCnt = 0;
            tem_inf[cang_id+1].Error = 0;

            ADC_Value1 = data[3]<<8|data[4];
            ADC_Value2 = data[5]<<8|data[6];

            voltage1 = ADC_Value1*(1.0)*5/4096;  // 0-5V  12bit
            voltage2 = ADC_Value2*(1.0)*5/4096;

            tem_inf[cang_id].temperature1 = (voltage1-1.5)*(120+40)/(4.5-0.5);
            tem_inf[cang_id+1].temperature1 = (voltage2-1.5)*(120+40)/(4.5-0.5);

        }

    }else if(Tem_HUATIAN_THREE == type){

        if(data[1]!=0x03)              //校验读写属性
        {
            error = 1;
        }
        else if(data[2] != 0x02)			//校验数据长度
        {
            error = 1;
        }
        else if(ModbusCRC != LIB_CRC_MODBUS(data,5))		//校验CRC
        {
            error = 1;
        }

        if(0 == error){
            //do nothing 
        }

    }else if(Tem_FST100_1007 == type){
            ModbusCRC = data[7]<<8;
			ModbusCRC |= data[8];
			
        if(data[1]!=0x03)              //校验读写属性
        {
            error = 1;
        }
        else if(data[2] != 0x04)			//校验数据长度
        {
            error = 1;
        }
        else if(ModbusCRC != LIB_CRC_MODBUS(data,7))		//校验CRC
        {
            error = 1;
        }

        if(0 == error){
            tem_inf[cang_id].ErrorCnt = 0;
		    tem_inf[cang_id].Error = 0;
            tem_inf[cang_id].RTData_Num = 1;
		
            
            hex_to_float.arr[0] = data[6];
            hex_to_float.arr[1] = data[5];
            hex_to_float.arr[2] = data[4];
            hex_to_float.arr[3] = data[3];					
            tem_inf[cang_id].temperature1 = hex_to_float.value;
            
        }else{
            Tem_Error(data[0]);
        }
    }

    return error;
			
}


void Tem_Error(uint8_t addr)
{
	uint8_t id = addr - TEM_STARTADDR;
	Cang_Inf* pcang = &cang_inf;
	
	if(Tem_FST100_611 == pcang->Temperture){

        tem_inf[id].ErrorCnt++;
        tem_inf[id+1].ErrorCnt++;
	
        if (tem_inf[id].ErrorCnt > pcang->sensorBusMaxReTry)
        {
            tem_inf[id].ErrorCnt = pcang->sensorBusMaxReTry + 1;
            tem_inf[id].Error = 1;
            tem_inf[id+1].ErrorCnt = pcang->sensorBusMaxReTry + 1;
            tem_inf[id+1].Error = 1;
        }
    }
	
}