isoadc2.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.
**
** 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
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****************************************************************************/
 
#ifndef ISOADC2_H
#define ISOADC2_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"
 
#define ADC_MASK    0x0FFF
#define ADC_RES     4095
#define VREF        2500
 
#define ISOADC2_SET_DATA_SAMPLE_EDGE      SET_SPI_DATA_SAMPLE_EDGE
#define ISOADC2_SET_DATA_SAMPLE_MIDDLE    SET_SPI_DATA_SAMPLE_MIDDLE
 
 // isoadc2_set
 
#define ISOADC2_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 ); \
    cfg.crt = MIKROBUS( mikrobus, MIKROBUS_RST )
 
 // isoadc2_map
 // isoadc2
 
typedef struct
{
    // Output pins
    digital_out_t  crt;     
    // Modules
    spi_master_t  spi;                               
    pin_name_t  chip_select;                         
} isoadc2_t;
 
typedef struct
{
    // Communication gpio pins
    pin_name_t  miso;                                    
    pin_name_t  mosi;                                    
    pin_name_t  sck;                                     
    pin_name_t  cs;                                      
    // Additional gpio pins
    pin_name_t  crt;        
    // Static variable
    uint32_t                           spi_speed;        
    spi_master_mode_t                  spi_mode;         
    spi_master_chip_select_polarity_t  cs_polarity;      
} isoadc2_cfg_t;
 
typedef enum
{
   ISOADC2_OK = 0,
   ISOADC2_ERROR = -1
 
} isoadc2_return_value_t;
 
void isoadc2_cfg_setup ( isoadc2_cfg_t *cfg );
 
err_t isoadc2_init ( isoadc2_t *ctx, isoadc2_cfg_t *cfg );
 
err_t isoadc2_generic_write ( isoadc2_t *ctx, uint8_t reg, uint8_t *data_in, uint8_t len );
 
err_t isoadc2_generic_read ( isoadc2_t *ctx, uint8_t reg, uint8_t *data_out, uint8_t len );
 
err_t isoadc2_read_adc ( isoadc2_t *ctx, uint16_t *adc_val );
 
err_t isoadc2_get_mv ( isoadc2_t *ctx, uint16_t *voltage );
 
#ifdef __cplusplus
}
#endif
#endif // ISOADC2_H
 
 // isoadc2
 
// ------------------------------------------------------------------------ END