i2cmux6.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
**  USE OR OTHER DEALINGS IN THE SOFTWARE.
****************************************************************************/
 
#ifndef I2CMUX6_H
#define I2CMUX6_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 I2CMUX6_CHANNEL_DISABLE             0x00
#define I2CMUX6_CHANNEL_1                   0x01
#define I2CMUX6_CHANNEL_2                   0x02
#define I2CMUX6_CHANNEL_3                   0x04
#define I2CMUX6_CHANNEL_4                   0x08
#define I2CMUX6_CHANNEL_ALL                 0x0F
 
#define I2CMUX6_DEVICE_ADDRESS              0x00
 
 // i2cmux6_set
 
#define I2CMUX6_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
    cfg.en3 = MIKROBUS( mikrobus, MIKROBUS_CS ); \
    cfg.en1 = MIKROBUS( mikrobus, MIKROBUS_AN ); \
    cfg.en2 = MIKROBUS( mikrobus, MIKROBUS_RST ); \
    cfg.en4 = MIKROBUS( mikrobus, MIKROBUS_PWM );
 
 // i2cmux6_map
 // i2cmux6
 
typedef struct
{
    // Output pins
    digital_out_t en1;      
    digital_out_t en2;      
    digital_out_t en3;      
    digital_out_t en4;      
    // Modules
    i2c_master_t i2c;       
    // I2C slave address
    uint8_t slave_address;  
} i2cmux6_t;
 
typedef struct
{
    pin_name_t scl;         
    pin_name_t sda;         
    pin_name_t en1;         
    pin_name_t en2;         
    pin_name_t en3;         
    pin_name_t en4;         
    uint32_t  i2c_speed;    
    uint8_t   i2c_address;  
} i2cmux6_cfg_t;
 
typedef enum
{
    I2CMUX6_OK = 0,
    I2CMUX6_ERROR = -1
 
} i2cmux6_return_value_t;
 
void i2cmux6_cfg_setup ( i2cmux6_cfg_t *cfg );
 
err_t i2cmux6_init ( i2cmux6_t *ctx, i2cmux6_cfg_t *cfg );
 
err_t i2cmux6_generic_write ( i2cmux6_t *ctx, uint8_t reg, uint8_t *tx_buf, uint8_t tx_len );
 
err_t i2cmux6_generic_read ( i2cmux6_t *ctx, uint8_t reg, uint8_t *rx_buf, uint8_t rx_len );
 
err_t i2cmux6_set_channel ( i2cmux6_t *ctx, uint8_t ch_sel, uint8_t ch_slave_addr );
 
#ifdef __cplusplus
}
#endif
#endif // I2CMUX6_H
 
 // i2cmux6
 
// ------------------------------------------------------------------------ END