// this file defines various constants


typedef enum {
	PLX_Start = 0x80,
    PLX_Stop  = 0x40,
} PLX_Header;



typedef enum {
  PLX_AFR =   0,      //Wideband Air/Fuel
  PLX_EGT =   1,      //EGT
  PLX_FluidTemp =2, //Fluid Temp
  PLX_Vac =   3,      //Vac
  PLX_Boost = 4,   //Boost
  PLX_AIT =   5, //AIT
  PLX_RPM =   6,
  PLX_Speed = 7, //Speed
  PLX_TPS =   8, //TPS
  PLX_Load =  9 , //Engine Load
  PLX_FluidPressure = 10, //Fluid Pressure
  PLX_Timing = 11, //Engine timing
  PLX_MAP =   12, //MAP
  PLX_MAF =   13, //MAF
  PLX_ShortFuel = 14, //Short term fuel trim
  PLX_LongFuel =15, //Long term fuel trim
  PLX_NBO2 =  16, //Narrowband O2 sensor@@@@@@@
  PLX_Knock = 19, //Knock
  PLX_Fuel =  17, //Fuel level
  PLX_Duty  = 20, //Duty cycle
  PLX_Volts = 18, //Volts
} PLX_Observations;

extern double ConveriMFDRaw2Data(int sensor, int units, int raw);