airquality.h

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/****************************************************************************
** Copyright (C) 2020 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
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#ifndef AIRQUALITY_H
#define AIRQUALITY_H
 
#ifdef __cplusplus
extern "C"{
#endif
 
#ifdef PREINIT_SUPPORTED
#include "preinit.h"
#endif
 
#ifdef MikroCCoreVersion
    #if MikroCCoreVersion >= 1
        #include "delays.h"
    #endif
#endif
 
#include "drv_analog_in.h"
 
#define AIRQUALITY_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.an = MIKROBUS( mikrobus, MIKROBUS_AN ); \
 
 // airquality_map
 // airquality
 
typedef struct {
    
    analog_in_t  adc;       
} airquality_t;
 
typedef struct {
   
    // Communication gpio pins 
    
    pin_name_t  an;     
    // static variable 
        
    analog_in_resolution_t  resolution;     
    float                   vref;           
} airquality_cfg_t;
 
typedef enum {
   AIRQUALITY_OK = 0,
   AIRQUALITY_ERROR = -1
 
} airquality_return_value_t;
 
void airquality_cfg_setup ( airquality_cfg_t *cfg );
 
err_t airquality_init ( airquality_t *ctx, airquality_cfg_t *cfg );
 
err_t airquality_read_an_pin_value ( airquality_t *ctx, uint16_t *data_out );
 
err_t airquality_read_an_pin_voltage ( airquality_t *ctx, float *data_out );
 
#ifdef __cplusplus
}
#endif
#endif // AIRQUALITY_H
 
 // airquality
 
// ------------------------------------------------------------------------ END