calibration.h

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/* This file has been prepared for Doxygen automatic documentation generation.*/
// Prototypes
unsigned char CalibrateVREF(void);       // calibration routine for VREF
unsigned char CalibrateCCoffset(void);   // calibration routine for CC offset


#ifdef MODULE_CALIBRATION
unsigned int calibration_state = 0;
unsigned int calibration_state_req = 0;
#define CCoffset_limit  100            // limit for CCoffset (to be decided)
#define CCIoffset_limit 66             // limit for CCIoffset 10.5*(CCoffset/16)

// This section is for calibration on CELL1 with 4096mV
#define CAL_CHANNEL             0x01            // Mux value for channel PV1
#define CAL_GAIN            ADCgain[0]  // Gain value for channel PV1
#define CAL_WAIT            10          // Number of VADC cycles (512us) to wait for error from
                                                                        // CellBalancing to cancel.

// Defines for the different temperature dependency calibration settings (thermometer coded)
#define TempCal0                        0x00
#define TempCal1                        0x01
#define TempCal2                        0x03
#define TempCal3                        0x07
#define TempCal4                        0x0F
#define TempCal5                        0x1F
#define TempCal6                        0x3F
#define TempCal7                        0x7F
#define TempCal8                        0xFF

#define Vcalibration_value      67117056    // input voltage = 4096.5mV*16384/mV = 67117056
//#define Vcalibration_value    67094442        // debug input voltage = 4096.5mV*60BC/mV*1.10055/1.100
#define VLevel0             0                           // padding to enable Tempcal0 if < VLevel1
#define VLevel1                         -615753                 // Preliminary
#define VLevel2                         -491700
#define VLevel3                         -337272
#define VLevel4                         -152886
#define VLevel5                         0
#define VLevel6                         60960
#define VLevel7                         121810
#define VLevel8                         182549

// This section is for calibration on ADC0 with 0.55V, should be revised when algorithm is decided
/*
#define CAL_CHANNEL             0x07            // Mux value for channel ADC0
#define CAL_GAIN            1           // Added to give compatibility with scaled inputs probably optimized away
                                                                                // by compiler. Routine could be optimized if unscaled input is used.
#define CAL_WAIT            1           // Number of VADC cycles (512us) to wait for error from CellBalancing
                                                                        // to cancel. We always Waits 1 cycle for dummy read.

// Defines for the different temperature dependency calibration settings (thermometer coded)
#define TempCal0                        0x00
#define TempCal1                        0x01
#define TempCal2                        0x03
#define TempCal3                        0x07
#define TempCal4                        0x0F
#define TempCal5                        0x1F
#define TempCal6                        0x3F
#define TempCal7                        0x7F
#define TempCal8                        0xFF

#define Vcalibration_value      2048                            // Used with input voltage = 0.55V (half range)
#define VLevel1                         -18                     // Used for demonstration, values are TBD
#define VLevel2                         -15
#define VLevel3                         -10
#define VLevel4                         -5
#define VLevel5                         0
#define VLevel6                         2
#define VLevel7                         4
#define VLevel8                         6
*/

__flash unsigned char tempcal[] = {TempCal0,TempCal1,TempCal2,TempCal3,TempCal4,TempCal5,TempCal6,TempCal7,TempCal8};
__flash signed long int vcalibration_level[] = {VLevel0,VLevel1,VLevel2,VLevel3,VLevel4,VLevel5,VLevel6,VLevel7,VLevel8};

#else
  extern unsigned int calibration_state;
  extern unsigned int calibration_state_req;
#endif


// Defines for calibration variables.

#define CAL_VREF_BIT_POS 0
#define CAL_CC_BIT_POS   2

#define NO_CAL     0
#define RUN_CAL    1
#define CAL_FAIL   2
#define CAL_OK     3

#define CAL_VREF_MASK  (3        << CAL_VREF_BIT_POS)
#define CAL_VREF_RUN   (RUN_CAL  << CAL_VREF_BIT_POS)
#define CAL_VREF_FAIL  (CAL_FAIL << CAL_VREF_BIT_POS)
#define CAL_VREF_OK    (CAL_OK   << CAL_VREF_BIT_POS)

#define CAL_CC_MASK    (3        << CAL_CC_BIT_POS)
#define CAL_CC_RUN     (RUN_CAL  << CAL_CC_BIT_POS)
#define CAL_CC_FAIL    (CAL_FAIL << CAL_CC_BIT_POS)
#define CAL_CC_OK      (CAL_OK   << CAL_CC_BIT_POS)

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