current.h

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/*
 * MikroSDK - MikroE Software Development Kit
 * Copyright© 2020 MikroElektronika d.o.o.
 * 
 * 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 CURRENT_H
#define CURRENT_H
 
#ifdef PREINIT_SUPPORTED
#include "preinit.h"
#endif
 
#ifdef MikroCCoreVersion
    #if MikroCCoreVersion >= 1
        #include "delays.h"
    #endif
#endif
 
#include "drv_digital_out.h"
#include "drv_spi_master.h"
 
 
// -------------------------------------------------------------- PUBLIC MACROS 
#define CURRENT_MAP_MIKROBUS( cfg, mikrobus )       \
   cfg.miso  = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
   cfg.mosi  = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
   cfg.sck   = MIKROBUS( mikrobus, MIKROBUS_SCK );  \
   cfg.cs    = MIKROBUS( mikrobus, MIKROBUS_CS ) 
#define CURRENT_RETVAL  uint8_t
 
#define CURRENT_OK           0x00
#define CURRENT_INIT_ERROR   0xFF
#define CURRENT_FILTER_USEFULL_DATA  0x0FFF
#define CURRENT_SAMPLE_NUM           10
#define CURRENT_RSHUNT_0_05          0.05
#define CURRENT_RSHUNT_0_2           0.2
#define CURRENT_RSHUNT_1             1.0
#define CURRENT_RSHUNT_10            10.0
#define CURRENT_CAL_COEF             0.025
#define RFMETER_DEF_LIMIT_HIGH       4096
#define RFMETER_DEF_LIMIT_LOW        800
#define CURRENT_OUT_OF_RANGE         -1.0
 // End group macro 
// --------------------------------------------------------------- PUBLIC TYPES
typedef struct
{
    digital_out_t cs;
 
    // Modules 
 
    spi_master_t spi;
    pin_name_t chip_select;
 
} current_t;
 
typedef struct
{
    // Communication gpio pins 
 
    pin_name_t miso;
    pin_name_t mosi;
    pin_name_t sck;
    pin_name_t cs;
 
    // static variable 
 
    uint32_t spi_speed;
    spi_master_mode_t spi_mode;
    spi_master_chip_select_polarity_t cs_polarity;
 
} current_cfg_t;
 
 // End types group
// ------------------------------------------------------------------ CONSTANTS
 // End constants group
// ------------------------------------------------------------------ VARIABLES
 // End variable group
// ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
 
#ifdef __cplusplus
extern "C"{
#endif
 
void current_cfg_setup ( current_cfg_t *cfg );
 
CURRENT_RETVAL current_init ( current_t *ctx, current_cfg_t *cfg );
 
uint16_t current_data_read ( current_t *ctx );
 
uint16_t current_get_raw_data ( current_t *ctx );
 
float current_avg_rata ( current_t *ctx );
 
float current_get_current_data ( current_t *ctx, float r_hunt );
 
#ifdef __cplusplus
}
#endif
#endif  // _CURRENT_H_
 
 // End public_function group
 
// ------------------------------------------------------------------------- END