vadc_usage.h

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/* This file has been prepared for Doxygen automatic documentation generation.*/
#include <stdint.h>

// Defines

#define SYSTEM_CLK_Hz        1000000

#define BANDGAP_WAIT_us      20

#define BANDGAP_ADJ_DELAY    20*SYSTEM_CLK_Hz/1000000

#define SUCCESS               0
#define FAILED               -1
#define CALIB_ROOM           25   // Not absolute calibration value, only mode.
#define CALIB_HOT            70   // Not absolute calibration value, only mode.

#define VADC_SCALE_BITS      14

// Defines for vadc measurements.
#define NO_CELLS              2   
#define NO_VADC               2   
#define NO_VADC_CHANNELS      5   

#define TOP_CELL              2   
#define BOTTOM_CELL           1   

#define FIRST_VADC_MEAS       4   
#define LAST_VADC_MEAS        6   

// Defines for index into vadc_measurement.
#define VPTAT                 0   
#define VADC0                 1   
#define VADC1                 2   
#define CELL1                 3   
#define CELL2                 4   


// Defines to include external global variables in other files than vadc_usage.
#ifndef module_vadc_usage
    // All variables documented in vadc_usage.c.
    extern uint16_t cell_v[NO_CELLS];
    extern uint16_t vadc_v[NO_VADC];
    extern uint16_t bg_temp;
    extern uint8_t  vadc_scan_complete;
#endif


// Prototypes

void    InitCoeff(void);
int8_t  InitBandgap(void);
void    StartVADCScan(void);
void    CalculateADCResults(void);
int8_t  CalibrateVREF(void);
int16_t MeasureVADCerror(void);

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