qirx.h

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/****************************************************************************
** Copyright (C) 2020 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,
** 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
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****************************************************************************/
 
#ifndef QIRX_H
#define QIRX_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_i2c_master.h"
 
#define QIRX_RESOLUTION      4096
#define QIRX_12_BIT_DATA     0x0FFF
#define QIRX_SET_DEV_ADDR  0x4D
 
 // qirx_set
 
#define QIRX_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA )
 
 // qirx_map
 // qirx
 
typedef struct
{
    // Modules
    i2c_master_t i2c;                                
    // I2C slave address
    uint8_t slave_address;                           
} qirx_t;
 
typedef struct
{
    pin_name_t  scl;        
    pin_name_t  sda;        
    uint32_t  i2c_speed;                                
    uint8_t   i2c_address;                              
} qirx_cfg_t;
 
typedef enum
{
    QIRX_OK = 0,
    QIRX_ERROR = -1
 
} qirx_return_value_t;
 
void qirx_cfg_setup ( qirx_cfg_t *cfg );
 
err_t qirx_init ( qirx_t *ctx, qirx_cfg_t *cfg );
 
uint16_t qirx_read_data ( qirx_t *ctx );
 
uint16_t qirx_read_voltage ( qirx_t *ctx, uint16_t v_ref );
 
#ifdef __cplusplus
}
#endif
#endif // QIRX_H
 
 // qirx
 
// ------------------------------------------------------------------------ END