TOP Contributors

  1. MIKROE (2784 codes)
  2. Alcides Ramos (404 codes)
  3. Shawon Shahryiar (307 codes)
  4. jm_palomino (132 codes)
  5. Bugz Bensce (97 codes)
  6. S P (73 codes)
  7. dany (71 codes)
  8. MikroBUS.NET Team (35 codes)
  9. NART SCHINACKOW (34 codes)
  10. Armstrong Subero (27 codes)

Most Downloaded

  1. Timer Calculator (141071 times)
  2. FAT32 Library (73628 times)
  3. Network Ethernet Library (58399 times)
  4. USB Device Library (48563 times)
  5. Network WiFi Library (44194 times)
  6. FT800 Library (43755 times)
  7. GSM click (30609 times)
  8. mikroSDK (29383 times)
  9. PID Library (27245 times)
  10. microSD click (27003 times)
Libstock prefers package manager

Package Manager

We strongly encourage users to use Package manager for sharing their code on Libstock website, because it boosts your efficiency and leaves the end user with no room for error. [more info]

< Back
mikroSDK Library

I2C MUX 4 Click

Rating:

0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.10

mikroSDK Library: 2.0.0.0

Category: I2C

Downloaded: 216 times

Not followed.

License: MIT license  

I2C MUX 4 Click is a compact add-on board that contains a dual bidirectional translating switch dedicated for applications with I2C slave address conflicts.

No Abuse Reported

Do you want to subscribe in order to receive notifications regarding "I2C MUX 4 Click" changes.

Do you want to unsubscribe in order to stop receiving notifications regarding "I2C MUX 4 Click" changes.

Do you want to report abuse regarding "I2C MUX 4 Click".

  • mikroSDK Library 1.0.0.0
  • Comments (0)

mikroSDK Library Blog


I2C MUX 4 Click

I2C MUX 4 Click is a compact add-on board that contains a dual bidirectional translating switch dedicated for applications with I2C slave address conflicts. This board features the TCA9543APWR, a low voltage 2-channel I2C bus switch with interrupt logic from Texas Instruments.

i2cmux4_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Sep 2020.
  • Type : I2C type

Software Support

We provide a library for the I2cMux4 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for I2cMux4 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void i2cmux4_cfg_setup ( i2cmux4_cfg_t *cfg );

  • Initialization function.

    I2CMUX4_RETVAL i2cmux4_init ( i2cmux4_t ctx, i2cmux4_cfg_t cfg );

Example key functions :

  • Get channel interrupt function

    uint8_t i2cmux4_get_ch_interrupt ( i2cmux4_t *ctx );

  • Generic read data function

    void i2cmux4_rmt_read_bytes ( i2cmux4_t ctx, uint8_t reg, uint8_t p_rx_data, uint8_t n_bytes );

  • Check interrupt function.

    uint8_t i2cmux4_check_int ( i2cmux4_t *ctx );

Examples Description

This example demonstrates the use of the I2C MUX 4 Click.

The demo application is composed of two sections :

Application Init

Initializes the driver, enables the Click board and makes an initial log.


void application_init ( void )
{
    log_cfg_t log_cfg;
    i2cmux4_cfg_t cfg;

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, "---- Application Init ----" );

    //  Click initialization.

    i2cmux4_cfg_setup( &cfg );
    I2CMUX4_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    i2cmux4_init( &i2cmux4, &cfg );

    i2cmux4_power_on( &i2cmux4, I2CMUX4_ENABLE_POWER_ON );
    Delay_ms ( 100 );

    i2cmux4_set_channel( &i2cmux4, I2CMUX4_SEL_CH_ALL_DISABLE, 0x00 );
    Delay_ms ( 100 );
}

Application Task

In this example, we read the device ID register of the connected Click boards. Channel 0 : 6DOF IMU 12 Click [slave address: 0x68; reg: 0x00; id val.: 0x24], Channel 1 : Compass 3 Click [slave address: 0x30; reg: 0x2F; id val.: 0x0C]. All data logs write on USB UART changes every 2 sec.


void application_task ( void )
{
    // CH 0 - 6DOF IMU 12 Click
    i2cmux4_set_channel( &i2cmux4, I2CMUX4_SEL_CH_0, 0x68 );
    Delay_ms ( 100 );

    i2cmux4_rmt_read_bytes( &i2cmux4, 0x00, &rx_data, 1 );
    Delay_ms ( 100 );

    log_printf( &logger, "    6DOF IMU 12 Click   \r\n" );
    log_printf( &logger, "- - - - - - - - - - - - \r\n" );
    log_printf( &logger, "       ID = 0x%.2X  \r\n", ( uint16_t ) rx_data );
    log_printf( &logger, "----------------------- \r\n" );
    Delay_ms ( 1000 );


    // CH 1 - Compass 3 Click
    i2cmux4_set_channel( &i2cmux4, I2CMUX4_SEL_CH_1, 0x30 );
    Delay_ms ( 100 );

    i2cmux4_rmt_read_bytes( &i2cmux4, 0x2F, &rx_data, 1 );
    Delay_ms ( 100 );

    log_printf( &logger, "      Compass 3 Click      \r\n" );
    log_printf( &logger, "- - - - - - - - - - - - \r\n" );
    log_printf( &logger, "       ID = 0x%.2X \r\n ", ( uint16_t ) rx_data );
    log_printf( &logger, "----------------------- \r\n" );
    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.I2cMux4

Additional notes and informations

Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.


ALSO FROM THIS AUTHOR

Pressure 22 Click

0

Pressure 22 Click is a compact add-on board that contains a board-mount pressure sensor. This board features the MS5839-02BA, an ultra-compact chlorine-resistant digital pressure and temperature sensor from TE Connectivity. The sensor is a small digital altimeter operating from 300 up to 1200mbar, optimized for applications where chlorine and saline are present. The sensor is filled with gel, which makes it robust, and enables it to work in harsh environments.

[Learn More]

IR Sense 2 click

5

IR Sense 2 click is the infrared sensor Click board, designed to be used for the short range IR sensing applications. Unlike other pyroelectric sensors, it is able to sense environmental heat changes up to 1m, even through the glass.

[Learn More]

BATT-MAN 3 Click

0

BATT-MAN 3 Click is a compact add-on board representing an advanced battery management solution. This board features the ADP5350, a power management IC with inductive boost LED, and three LDO regulators from Analog Devices. This I2C programmable board supports USB optimized for USB voltage input. It combines one high-performance buck regulator for single Li-Ion/Li-Ion polymer battery charging, a fuel gauge, a highly programmable boost regulator for LED backlight illumination, and three 150mA LDO regulators.

[Learn More]