i2cmux7.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,
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#ifndef I2CMUX7_H
#define I2CMUX7_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 I2CMUX7_CHANNEL_DISABLE             0x00
#define I2CMUX7_CHANNEL_0                   0x08
#define I2CMUX7_CHANNEL_1                   0x09
#define I2CMUX7_CHANNEL_2                   0x0A
#define I2CMUX7_CHANNEL_3                   0x0B
#define I2CMUX7_CHANNEL_4                   0x0C
#define I2CMUX7_CHANNEL_5                   0x0D
#define I2CMUX7_CHANNEL_6                   0x0E
#define I2CMUX7_CHANNEL_7                   0x0F
#define I2CMUX7_CHANNEL_NUM_MASK            0x07
 
#define I2CMUX7_DEV_ADDR_A2A1A0_000         0x70
#define I2CMUX7_DEV_ADDR_A2A1A0_001         0x71
#define I2CMUX7_DEV_ADDR_A2A1A0_010         0x72
#define I2CMUX7_DEV_ADDR_A2A1A0_011         0x73
#define I2CMUX7_DEV_ADDR_A2A1A0_100         0x74
#define I2CMUX7_DEV_ADDR_A2A1A0_101         0x75
#define I2CMUX7_DEV_ADDR_A2A1A0_110         0x76
#define I2CMUX7_DEV_ADDR_A2A1A0_111         0x77
 
 // i2cmux7_set
 
#define I2CMUX7_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
    cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST );
 
 // i2cmux7_map
 // i2cmux7
 
typedef struct
{
    // Output pins
    digital_out_t  rst;         
    // Modules
    i2c_master_t i2c;           
    // I2C slave address
    uint8_t slave_address;      
    uint8_t ch_slave_address;   
} i2cmux7_t;
 
typedef struct
{
    pin_name_t  scl;            
    pin_name_t  sda;            
    pin_name_t  rst;            
    uint32_t  i2c_speed;        
    uint8_t   i2c_address;      
} i2cmux7_cfg_t;
 
typedef enum
{
    I2CMUX7_OK = 0,
    I2CMUX7_ERROR = -1
 
} i2cmux7_return_value_t;
 
void i2cmux7_cfg_setup ( i2cmux7_cfg_t *cfg );
 
err_t i2cmux7_init ( i2cmux7_t *ctx, i2cmux7_cfg_t *cfg );
 
err_t i2cmux7_set_channel ( i2cmux7_t *ctx, uint8_t ch_sel, uint8_t ch_slave_addr );
 
err_t i2cmux7_read_channel ( i2cmux7_t *ctx, uint8_t *ch_sel );
 
void i2cmux7_reset_device ( i2cmux7_t *ctx );
 
err_t i2cmux7_generic_write ( i2cmux7_t *ctx, uint8_t reg, uint8_t *tx_buf, uint8_t tx_len );
 
err_t i2cmux7_generic_read ( i2cmux7_t *ctx, uint8_t reg, uint8_t *rx_buf, uint8_t rx_len );
 
#ifdef __cplusplus
}
#endif
#endif // I2CMUX7_H
 
 // i2cmux7
 
// ------------------------------------------------------------------------ END