micropump.h

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/****************************************************************************
** Copyright (C) 2026 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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#ifndef MICROPUMP_H
#define MICROPUMP_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_digital_out.h"
#include "drv_digital_in.h"
#include "drv_analog_in.h"




#define MICROPUMP_V_TO_MA               1.5

#define MICROPUMP_NUM_CONVERSIONS       200

#define MICROPUMP_TIMEOUT_MS            2000

#define MICROPUMP_MOTOR_COAST           0
#define MICROPUMP_MOTOR_FORWARD         1
#define MICROPUMP_MOTOR_REVERSE         2
#define MICROPUMP_MOTOR_BRAKE           3
 // micropump_set



#define MICROPUMP_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.an = MIKROBUS( mikrobus, MIKROBUS_AN ); \
    cfg.in2 = MIKROBUS( mikrobus, MIKROBUS_RST ); \
    cfg.in1 = MIKROBUS( mikrobus, MIKROBUS_PWM );
 // micropump_map // micropump

typedef struct
{
    digital_out_t in2;      
    digital_out_t in1;      
 
    analog_in_t adc;        
 
    float zero_curr_offset; 
 
} micropump_t;

typedef struct
{
    pin_name_t an;          
    pin_name_t in2;         
    pin_name_t in1;         
 
    analog_in_resolution_t resolution;  
    float                  vref;        
 
} micropump_cfg_t;

typedef enum
{
    MICROPUMP_OK = 0,
    MICROPUMP_ERROR = -1
 
} micropump_return_value_t;


void micropump_cfg_setup ( micropump_cfg_t *cfg );

err_t micropump_init ( micropump_t *ctx, micropump_cfg_t *cfg );

err_t micropump_read_adc_raw ( micropump_t *ctx, uint16_t *data_out );

err_t micropump_read_adc_voltage ( micropump_t *ctx, float *data_out );

err_t micropump_read_adc_voltage_avg ( micropump_t *ctx, uint16_t num_conv, float *voltage_avg );

err_t micropump_set_vref ( micropump_t *ctx, float vref );

void micropump_set_in1_pin ( micropump_t *ctx );

void micropump_clear_in1_pin ( micropump_t *ctx );

void micropump_set_in2_pin ( micropump_t *ctx );

void micropump_clear_in2_pin ( micropump_t *ctx );

void micropump_drive_motor ( micropump_t *ctx, uint8_t state );

err_t micropump_calib_offset ( micropump_t *ctx );

err_t micropump_get_out_current ( micropump_t *ctx, float *current );
 
#ifdef __cplusplus
}
#endif
#endif // MICROPUMP_H
 // micropump
 
// ------------------------------------------------------------------------ END