mcurrentsens.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.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** 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,
** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
**  USE OR OTHER DEALINGS IN THE SOFTWARE.
****************************************************************************/

 
#ifndef MCURRENTSENS_H
#define MCURRENTSENS_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_spi_master.h"
#include "spi_specifics.h"
#include "drv_i2c_master.h"




#define MCURRENTSENS_REG_ADCDATA                        0x00
#define MCURRENTSENS_REG_CONFIG0                        0x01
#define MCURRENTSENS_REG_CONFIG1                        0x02
#define MCURRENTSENS_REG_CONFIG2                        0x03
#define MCURRENTSENS_REG_CONFIG3                        0x04
#define MCURRENTSENS_REG_IRQ                            0x05
#define MCURRENTSENS_REG_MUX                            0x06
#define MCURRENTSENS_REG_SCAN                           0x07
#define MCURRENTSENS_REG_TIMER                          0x08
#define MCURRENTSENS_REG_OFFSETCAL                      0x09
#define MCURRENTSENS_REG_GAINCAL                        0x0A
#define MCURRENTSENS_REG_RESERVED_24                    0x0B
#define MCURRENTSENS_REG_RESERVED_8                     0x0C
#define MCURRENTSENS_REG_LOCK                           0x0D
#define MCURRENTSENS_REG_RESERVED_16                    0x0E
#define MCURRENTSENS_REG_CRCCFG                         0x0F

#define MCURRENTSENS_CMD_DEV_ADDR                       0x40
#define MCURRENTSENS_CMD_DEV_ADDR_MASK                  0xC0
#define MCURRENTSENS_CMD_REG_ADDR_SHIFT                 2
#define MCURRENTSENS_CMD_REG_ADDR_MASK                  0x3C
#define MCURRENTSENS_CMD_TYPE_STATIC_READ               0x01
#define MCURRENTSENS_CMD_TYPE_INC_WRITE                 0x02
#define MCURRENTSENS_CMD_TYPE_INC_READ                  0x03
#define MCURRENTSENS_CMD_TYPE_MASK                      0x03
#define MCURRENTSENS_FAST_CMD_CONV_START                ( 0x28 | MCURRENTSENS_CMD_DEV_ADDR )
#define MCURRENTSENS_FAST_CMD_STANDBY                   ( 0x2C | MCURRENTSENS_CMD_DEV_ADDR )
#define MCURRENTSENS_FAST_CMD_SHUTDOWN                  ( 0x30 | MCURRENTSENS_CMD_DEV_ADDR )
#define MCURRENTSENS_FAST_CMD_FULL_SHUTDOWN             ( 0x34 | MCURRENTSENS_CMD_DEV_ADDR )
#define MCURRENTSENS_FAST_CMD_FULL_RESET                ( 0x38 | MCURRENTSENS_CMD_DEV_ADDR )
 // mcurrentsens_reg



#define MCURRENTSENS_CONFIG0_VREF_SEL_EXT               0x00
#define MCURRENTSENS_CONFIG0_VREF_SEL_INT               0x80
#define MCURRENTSENS_CONFIG0_VREF_SEL_MASK              0x80
#define MCURRENTSENS_CONFIG0_PARTIAL_SHUTDOWN_EN        0x00
#define MCURRENTSENS_CONFIG0_PARTIAL_SHUTDOWN_DIS       0x40
#define MCURRENTSENS_CONFIG0_PARTIAL_SHUTDOWN_MASK      0x40
#define MCURRENTSENS_CONFIG0_CLK_SEL_EXT                0x00
#define MCURRENTSENS_CONFIG0_CLK_SEL_INT_NO_OUT         0x20
#define MCURRENTSENS_CONFIG0_CLK_SEL_INT_OUT            0x30
#define MCURRENTSENS_CONFIG0_CLK_SEL_MASK               0x30
#define MCURRENTSENS_CONFIG0_CS_SEL_NONE                0x00
#define MCURRENTSENS_CONFIG0_CS_SEL_0P9UA               0x04
#define MCURRENTSENS_CONFIG0_CS_SEL_3P7UA               0x08
#define MCURRENTSENS_CONFIG0_CS_SEL_15UA                0x0C
#define MCURRENTSENS_CONFIG0_CS_SEL_MASK                0x0C
#define MCURRENTSENS_CONFIG0_ADC_MODE_SHUTDOWN          0x00
#define MCURRENTSENS_CONFIG0_ADC_MODE_STANDBY           0x02
#define MCURRENTSENS_CONFIG0_ADC_MODE_CONVERSION        0x03
#define MCURRENTSENS_CONFIG0_ADC_MODE_MASK              0x03

#define MCURRENTSENS_CONFIG1_PRE_DIV_1                  0x00
#define MCURRENTSENS_CONFIG1_PRE_DIV_2                  0x40
#define MCURRENTSENS_CONFIG1_PRE_DIV_4                  0x80
#define MCURRENTSENS_CONFIG1_PRE_DIV_8                  0xC0
#define MCURRENTSENS_CONFIG1_PRE_DIV_MASK               0xC0
#define MCURRENTSENS_CONFIG1_OSR_32                     0x00
#define MCURRENTSENS_CONFIG1_OSR_64                     0x04
#define MCURRENTSENS_CONFIG1_OSR_128                    0x08
#define MCURRENTSENS_CONFIG1_OSR_256                    0x0C
#define MCURRENTSENS_CONFIG1_OSR_512                    0x10
#define MCURRENTSENS_CONFIG1_OSR_1024                   0x14
#define MCURRENTSENS_CONFIG1_OSR_2048                   0x18
#define MCURRENTSENS_CONFIG1_OSR_4096                   0x1C
#define MCURRENTSENS_CONFIG1_OSR_8192                   0x20
#define MCURRENTSENS_CONFIG1_OSR_16384                  0x24
#define MCURRENTSENS_CONFIG1_OSR_20480                  0x28
#define MCURRENTSENS_CONFIG1_OSR_24576                  0x2C
#define MCURRENTSENS_CONFIG1_OSR_40960                  0x30
#define MCURRENTSENS_CONFIG1_OSR_49152                  0x34
#define MCURRENTSENS_CONFIG1_OSR_81920                  0x38
#define MCURRENTSENS_CONFIG1_OSR_98304                  0x3C
#define MCURRENTSENS_CONFIG1_OSR_MASK                   0x3C

#define MCURRENTSENS_CONFIG2_BOOST_X0P5                 0x00
#define MCURRENTSENS_CONFIG2_BOOST_X0P66                0x40
#define MCURRENTSENS_CONFIG2_BOOST_X1                   0x80
#define MCURRENTSENS_CONFIG2_BOOST_X2                   0xC0
#define MCURRENTSENS_CONFIG2_BOOST_MASK                 0xC0
#define MCURRENTSENS_CONFIG2_GAIN_X0P33                 0x00
#define MCURRENTSENS_CONFIG2_GAIN_X1                    0x08
#define MCURRENTSENS_CONFIG2_GAIN_X2                    0x10
#define MCURRENTSENS_CONFIG2_GAIN_X4                    0x18
#define MCURRENTSENS_CONFIG2_GAIN_X8                    0x20
#define MCURRENTSENS_CONFIG2_GAIN_X16                   0x28
#define MCURRENTSENS_CONFIG2_GAIN_X32                   0x30
#define MCURRENTSENS_CONFIG2_GAIN_X64                   0x38
#define MCURRENTSENS_CONFIG2_GAIN_MASK                  0x38
#define MCURRENTSENS_CONFIG2_AZ_MUX_DIS                 0x00
#define MCURRENTSENS_CONFIG2_AZ_MUX_EN                  0x04
#define MCURRENTSENS_CONFIG2_AZ_MUX_MASK                0x04
#define MCURRENTSENS_CONFIG2_AZ_REF_DIS                 0x00
#define MCURRENTSENS_CONFIG2_AZ_REF_EN                  0x02
#define MCURRENTSENS_CONFIG2_AZ_REF_MASK                0x02
#define MCURRENTSENS_CONFIG2_RESERVED                   0x01

#define MCURRENTSENS_CONFIG3_CONV_MODE_ONE_SHOT_SHUT    0x00
#define MCURRENTSENS_CONFIG3_CONV_MODE_ONE_SHOT_STBY    0x80
#define MCURRENTSENS_CONFIG3_CONV_MODE_CONTINUOUS       0xC0
#define MCURRENTSENS_CONFIG3_CONV_MODE_MASK             0xC0
#define MCURRENTSENS_CONFIG3_DATA_FORMAT_24BIT          0x00
#define MCURRENTSENS_CONFIG3_DATA_FORMAT_32BIT_LEFT     0x10
#define MCURRENTSENS_CONFIG3_DATA_FORMAT_32BIT_RIGHT    0x20
#define MCURRENTSENS_CONFIG3_DATA_FORMAT_32BIT_CHID     0x30
#define MCURRENTSENS_CONFIG3_DATA_FORMAT_MASK           0x30
#define MCURRENTSENS_CONFIG3_CRC_FORMAT_16BIT           0x00
#define MCURRENTSENS_CONFIG3_CRC_FORMAT_32BIT           0x08
#define MCURRENTSENS_CONFIG3_CRC_FORMAT_MASK            0x08
#define MCURRENTSENS_CONFIG3_EN_CRCCOM_DIS              0x00
#define MCURRENTSENS_CONFIG3_EN_CRCCOM_EN               0x04
#define MCURRENTSENS_CONFIG3_EN_CRCCOM_MASK             0x04
#define MCURRENTSENS_CONFIG3_EN_OFFCAL_DIS              0x00
#define MCURRENTSENS_CONFIG3_EN_OFFCAL_EN               0x02
#define MCURRENTSENS_CONFIG3_EN_OFFCAL_MASK             0x02
#define MCURRENTSENS_CONFIG3_EN_GAINCAL_DIS             0x00
#define MCURRENTSENS_CONFIG3_EN_GAINCAL_EN              0x01
#define MCURRENTSENS_CONFIG3_EN_GAINCAL_MASK            0x01

#define MCURRENTSENS_IRQ_DR_STATUS                      0x40
#define MCURRENTSENS_IRQ_CRCCFG_STATUS                  0x20
#define MCURRENTSENS_IRQ_POR_STATUS                     0x10
#define MCURRENTSENS_IRQ_MODE_IRQ_HIGH_Z                0x00
#define MCURRENTSENS_IRQ_MODE_IRQ_LOGIC_HIGH            0x04
#define MCURRENTSENS_IRQ_MODE_MDAT_HIGH_Z               0x08
#define MCURRENTSENS_IRQ_MODE_MDAT_LOGIC_HIGH           0x0C
#define MCURRENTSENS_IRQ_MODE_MASK                      0x0C
#define MCURRENTSENS_IRQ_EN_FASTCMD_DIS                 0x00
#define MCURRENTSENS_IRQ_EN_FASTCMD_EN                  0x02
#define MCURRENTSENS_IRQ_EN_FASTCMD_MASK                0x02
#define MCURRENTSENS_IRQ_EN_STP_DIS                     0x00
#define MCURRENTSENS_IRQ_EN_STP_EN                      0x01
#define MCURRENTSENS_IRQ_EN_STP_MASK                    0x01

#define MCURRENTSENS_MUX_VIN_P_SHIFT                    4
#define MCURRENTSENS_MUX_VIN_P_MASK                     0xF0
#define MCURRENTSENS_MUX_VIN_N_SHIFT                    0
#define MCURRENTSENS_MUX_VIN_N_MASK                     0x0F
#define MCURRENTSENS_MUX_CH0                            0x00
#define MCURRENTSENS_MUX_CH1                            0x01
#define MCURRENTSENS_MUX_CH2                            0x02
#define MCURRENTSENS_MUX_CH3                            0x03
#define MCURRENTSENS_MUX_CH4                            0x04
#define MCURRENTSENS_MUX_CH5                            0x05
#define MCURRENTSENS_MUX_CH6                            0x06
#define MCURRENTSENS_MUX_CH7                            0x07
#define MCURRENTSENS_MUX_AGND                           0x08
#define MCURRENTSENS_MUX_AVDD                           0x09
#define MCURRENTSENS_MUX_RESERVED                       0x0A
#define MCURRENTSENS_MUX_REFIN_OUT                      0x0B
#define MCURRENTSENS_MUX_REFIN_IN                       0x0C
#define MCURRENTSENS_MUX_TEMP_P                         0x0D
#define MCURRENTSENS_MUX_TEMP_M                         0x0E
#define MCURRENTSENS_MUX_VCM                            0x0F

#define MCURRENTSENS_MUX_CH1_CURRENT_P                  MCURRENTSENS_MUX_CH0
#define MCURRENTSENS_MUX_CH1_CURRENT_N                  MCURRENTSENS_MUX_CH1
#define MCURRENTSENS_MUX_CH1_VOLTAGE_P                  MCURRENTSENS_MUX_CH2
#define MCURRENTSENS_MUX_CH1_VOLTAGE_N                  MCURRENTSENS_MUX_CH3
#define MCURRENTSENS_MUX_CH2_VOLTAGE_P                  MCURRENTSENS_MUX_CH4
#define MCURRENTSENS_MUX_CH2_VOLTAGE_N                  MCURRENTSENS_MUX_CH5
#define MCURRENTSENS_MUX_CH2_CURRENT_P                  MCURRENTSENS_MUX_CH6
#define MCURRENTSENS_MUX_CH2_CURRENT_N                  MCURRENTSENS_MUX_CH7

#define MCURRENTSENS_RESERVED_24_DEFAULT                0x900000ul
#define MCURRENTSENS_RESERVED_8_DEFAULT                 0x30
#define MCURRENTSENS_RESERVED_16_DEFAULT                0x000F

#define MCURRENTSENS_OFFSETCAL_DEFAULT                  0x000000ul
#define MCURRENTSENS_GAINCAL_DEFAULT                    0x800000ul

#define MCURRENTSENS_LOCK_UNLOCK                        0xA5
#define MCURRENTSENS_LOCK_LOCK                          0x00

#define MCURRENTSENS_CH1_GAIN_OPAMP                     50.0f
#define MCURRENTSENS_CH1_R5_RSHUNT                      0.05f
#define MCURRENTSENS_CH1_CURRENT_COEFF                 ( MCURRENTSENS_CH1_GAIN_OPAMP * MCURRENTSENS_CH1_R5_RSHUNT )
#define MCURRENTSENS_CH2_GAIN_OPAMP                     50.0f
#define MCURRENTSENS_CH2_R8_RSHUNT                      0.05f
#define MCURRENTSENS_CH2_CURRENT_COEFF                 ( MCURRENTSENS_CH2_GAIN_OPAMP * MCURRENTSENS_CH2_R8_RSHUNT )
#define MCURRENTSENS_CH1_GAIN                           1.0f
#define MCURRENTSENS_CH1_R16_TOP                        1000.0f
#define MCURRENTSENS_CH1_R21_BOTTOM                     38.3f
#define MCURRENTSENS_CH1_VOLTAGE_COEFF                 ( MCURRENTSENS_CH1_GAIN * \
                                                         ( MCURRENTSENS_CH1_R21_BOTTOM / \
                                                           ( MCURRENTSENS_CH1_R16_TOP + MCURRENTSENS_CH1_R21_BOTTOM ) ) )
#define MCURRENTSENS_CH2_GAIN                           0.5f
#define MCURRENTSENS_CH2_R15_TOP                        1000.0f
#define MCURRENTSENS_CH2_R17_BOTTOM                     38.3f
#define MCURRENTSENS_CH2_VOLTAGE_COEFF                 ( MCURRENTSENS_CH2_GAIN * \
                                                         ( MCURRENTSENS_CH2_R17_BOTTOM / \
                                                           ( MCURRENTSENS_CH2_R15_TOP + MCURRENTSENS_CH2_R17_BOTTOM ) ) )
#define MCURRENTSENS_TEMPERATURE_OFFSET                 80.0f
#define MCURRENTSENS_TEMPERATURE_COEFF                  0.2973f
#define MCURRENTSENS_VREF_INTERNAL                      2.4f
#define MCURRENTSENS_V_TO_MV                            1000.0f
#define MCURRENTSENS_GAIN_ADC                           1.0f
#define MCURRENTSENS_ADC_FS_CODE                        8388608.0f
#define MCURRENTSENS_SAMPLE_COUNT                       50
#define MCURRENTSENS_DATA_READY_TIMEOUT_MS              200
#define MCURRENTSENS_CURRENT_TARGET_0_MA                0.0f
#define MCURRENTSENS_CURRENT_TARGET_10_MA               10.0f
#define MCURRENTSENS_VOLTAGE_TARGET_0_MV                0.0f
#define MCURRENTSENS_VOLTAGE_TARGET_3000_MV             3000.0f

#define MCURRENTSENS_EEPROM_ADDR_START                  0x00
#define MCURRENTSENS_EEPROM_ADDR_END                    0xFF
#define MCURRENTSENS_EEPROM_PAGE_SIZE                   16

#define MCURRENTSENS_DEVICE_ADDRESS                     0x57
#define MCURRENTSENS_DEVICE_ADDRESS_WP                  0x37

#define MCURRENTSENS_SET_DATA_SAMPLE_EDGE               SET_SPI_DATA_SAMPLE_EDGE
#define MCURRENTSENS_SET_DATA_SAMPLE_MIDDLE             SET_SPI_DATA_SAMPLE_MIDDLE
 // mcurrentsens_set



#define MCURRENTSENS_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.scl  = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda  = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
    cfg.miso = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
    cfg.mosi = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
    cfg.sck  = MIKROBUS( mikrobus, MIKROBUS_SCK ); \
    cfg.cs   = MIKROBUS( mikrobus, MIKROBUS_CS ); \
    cfg.clk  = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
    cfg.irq  = MIKROBUS( mikrobus, MIKROBUS_INT )
 // mcurrentsens_map // mcurrentsens

typedef struct
{
    int32_t offset_cal;
    uint32_t gain_cal;
 
} mcurrentsens_calib_t;

typedef struct
{
    // Input pins
    digital_in_t clk;           
    digital_in_t irq;           
 
    // Modules
    spi_master_t spi;           
    i2c_master_t i2c;           
 
    pin_name_t chip_select;     
    uint8_t slave_address;      
 
    mcurrentsens_calib_t ch1_curr_cal;  
    mcurrentsens_calib_t ch1_volt_cal;  
    mcurrentsens_calib_t ch2_curr_cal;  
    mcurrentsens_calib_t ch2_volt_cal;  
    bool calibrated;            
 
} mcurrentsens_t;

typedef struct
{
    // Communication gpio pins
    pin_name_t scl;             
    pin_name_t sda;             
    pin_name_t miso;            
    pin_name_t mosi;            
    pin_name_t sck;             
    pin_name_t cs;              
 
    // Additional gpio pins
    pin_name_t clk;             
    pin_name_t irq;             
 
    // static variable
    uint32_t                          spi_speed;    
    spi_master_mode_t                 spi_mode;     
    spi_master_chip_select_polarity_t cs_polarity;  
    uint32_t   i2c_speed;       
    uint8_t    i2c_address;     
 
} mcurrentsens_cfg_t;

typedef enum
{
    MCURRENTSENS_OK = 0,
    MCURRENTSENS_ERROR = -1
 
} mcurrentsens_return_value_t;


void mcurrentsens_cfg_setup ( mcurrentsens_cfg_t *cfg );

err_t mcurrentsens_init ( mcurrentsens_t *ctx, mcurrentsens_cfg_t *cfg );

err_t mcurrentsens_default_cfg ( mcurrentsens_t *ctx );

err_t mcurrentsens_write_reg ( mcurrentsens_t *ctx, uint8_t reg, uint8_t data_in );

err_t mcurrentsens_read_reg ( mcurrentsens_t *ctx, uint8_t reg, uint8_t *data_out );

err_t mcurrentsens_write_regs ( mcurrentsens_t *ctx, uint8_t reg, uint8_t *data_in, uint8_t len );

err_t mcurrentsens_read_regs ( mcurrentsens_t *ctx, uint8_t reg, uint8_t *data_out, uint8_t len );

err_t mcurrentsens_write_reg16 ( mcurrentsens_t *ctx, uint8_t reg, uint16_t data_in );

err_t mcurrentsens_read_reg16 ( mcurrentsens_t *ctx, uint8_t reg, uint16_t *data_out );

err_t mcurrentsens_write_reg24 ( mcurrentsens_t *ctx, uint8_t reg, uint32_t data_in );

err_t mcurrentsens_read_reg24 ( mcurrentsens_t *ctx, uint8_t reg, uint32_t *data_out );

err_t mcurrentsens_send_fast_cmd ( mcurrentsens_t *ctx, uint8_t cmd );

err_t mcurrentsens_check_com ( mcurrentsens_t *ctx );

err_t mcurrentsens_set_mux ( mcurrentsens_t *ctx, uint8_t vin_p, uint8_t vin_n );

err_t mcurrentsens_set_gain ( mcurrentsens_t *ctx, uint8_t gain );

err_t mcurrentsens_set_osr ( mcurrentsens_t *ctx, uint8_t osr );

err_t mcurrentsens_set_mode ( mcurrentsens_t *ctx, uint8_t mode );

err_t mcurrentsens_get_irq ( mcurrentsens_t *ctx, uint8_t *data_out );

err_t mcurrentsens_set_offset_cal ( mcurrentsens_t *ctx, int32_t data_in );

err_t mcurrentsens_get_offset_cal ( mcurrentsens_t *ctx, int32_t *data_out );

err_t mcurrentsens_set_gain_cal ( mcurrentsens_t *ctx, uint32_t data_in );

err_t mcurrentsens_get_gain_cal ( mcurrentsens_t *ctx, uint32_t *data_out );

err_t mcurrentsens_en_dig_cal ( mcurrentsens_t *ctx, uint8_t en_offset, uint8_t en_gain );

err_t mcurrentsens_apply_calib ( mcurrentsens_t *ctx, mcurrentsens_calib_t cal );

err_t mcurrentsens_wait_data_ready ( mcurrentsens_t *ctx );

err_t mcurrentsens_read_adc ( mcurrentsens_t *ctx, int32_t *data_out );

err_t mcurrentsens_read_adc_avg ( mcurrentsens_t *ctx, uint8_t sample_count, int32_t *data_out );

err_t mcurrentsens_read_voltage_avg ( mcurrentsens_t *ctx, uint8_t sample_count, float *data_out );

err_t mcurrentsens_read_ch1_current ( mcurrentsens_t *ctx, float *data_out );

err_t mcurrentsens_read_ch1_voltage ( mcurrentsens_t *ctx, float *data_out );

err_t mcurrentsens_read_ch2_current ( mcurrentsens_t *ctx, float *data_out );

err_t mcurrentsens_read_ch2_voltage ( mcurrentsens_t *ctx, float *data_out );

err_t mcurrentsens_read_temperature ( mcurrentsens_t *ctx, float *data_out );

float mcurrentsens_adc_to_mv ( int32_t adc_code, float gain_adc );

void mcurrentsens_calculate_calib ( mcurrentsens_calib_t *calib, float offset_coeff,
                                    float target_1, float measured_1,
                                    float target_2, float measured_2 );

err_t mcurrentsens_write_memory ( mcurrentsens_t *ctx, uint8_t address, uint8_t *data_in, uint8_t len );

err_t mcurrentsens_read_memory ( mcurrentsens_t *ctx, uint8_t address, uint8_t *data_out, uint8_t len );

err_t mcurrentsens_store_calib ( mcurrentsens_t *ctx );

err_t mcurrentsens_fetch_calib ( mcurrentsens_t *ctx );

uint8_t mcurrentsens_get_irq_pin ( mcurrentsens_t *ctx );

uint8_t mcurrentsens_get_clk_pin ( mcurrentsens_t *ctx );
 
#ifdef __cplusplus
}
#endif
#endif // MCURRENTSENS_H
 // mcurrentsens
 
// ------------------------------------------------------------------------ END