i2ctocan.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.
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#ifndef I2CTOCAN_H
#define I2CTOCAN_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_i2c_master.h"
 
#define I2CTOCAN_SET_DEV_ADDR         0x00
 
 // i2ctocan_set
 
#define I2CTOCAN_MAP_MIKROBUS( cfg, mikrobus )    \
    cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
    cfg.shd = MIKROBUS( mikrobus, MIKROBUS_CS )
 
 // i2ctocan_map
 // i2ctocan
 
typedef struct
{
    // Output pins
 
    digital_out_t  shd;       
    // Modules
 
    i2c_master_t i2c;         
    // I2C slave address      
                              
    uint8_t slave_address;    
} i2ctocan_t;
 
typedef struct
{
    pin_name_t  scl;          
    pin_name_t  sda;          
    pin_name_t  shd;          
    uint32_t  i2c_speed;      
    uint8_t   i2c_address;    
} i2ctocan_cfg_t;
 
typedef enum
{
   I2CTOCAN_OK = 0,
   I2CTOCAN_ERROR = -1
 
} i2ctocan_return_value_t;
 
void i2ctocan_cfg_setup ( i2ctocan_cfg_t *cfg );
 
err_t i2ctocan_init ( i2ctocan_t *ctx, i2ctocan_cfg_t *cfg );
 
err_t i2ctocan_default_cfg ( i2ctocan_t *ctx );
 
err_t i2ctocan_enable_device ( i2ctocan_t *ctx );
 
err_t i2ctocan_shutdown ( i2ctocan_t *ctx );
 
err_t i2ctocan_set_slave_address ( i2ctocan_t *ctx, uint8_t slave_addr );
 
err_t i2ctocan_generic_write ( i2ctocan_t *ctx, uint8_t reg, uint8_t *tx_buf, uint8_t tx_len );
 
err_t i2ctocan_generic_read ( i2ctocan_t *ctx, uint8_t reg, uint8_t *rx_buf, uint8_t rx_len );
 
#ifdef __cplusplus
}
#endif
#endif // I2CTOCAN_H
 
 // i2ctocan
 
// ------------------------------------------------------------------------ END