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mikroSDK Library

IR 2 Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.8

mikroSDK Library: 2.0.0.0

Category: Optical

Downloaded: 270 times

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License: MIT license  

IR 2 Click is a compact add-on board representing a compact and easy solution for adding infrared (IR) remote control to your design. This board features the TSMP58138, a miniaturized sensor for receiving the modulated signal of QEE113 IR emitting diode from Vishay Semiconductors. This IR sensor module consists of a photodetector, pre-amplifier, and automatic gain control to surpass ambient noise with signals transmitted to it in the near-infrared range with a wavelength of 940nm. It also communicates with the target MCU via selectable GPIO lines.

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mikroSDK Library Blog


IR 2 Click

IR 2 Click is a compact add-on board representing a compact and easy solution for adding infrared (IR) remote control to your design. This board features the TSMP58138, a miniaturized sensor for receiving the modulated signal of QEE113 IR emitting diode from Vishay Semiconductors. This IR sensor module consists of a photodetector, pre-amplifier, and automatic gain control to surpass ambient noise with signals transmitted to it in the near-infrared range with a wavelength of 940nm. It also communicates with the target MCU via selectable GPIO lines.

ir2_click.png

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Jan 2022.
  • Type : PWM type

Software Support

We provide a library for the IR 2 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 from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for IR 2 Click driver.

Standard key functions :

  • ir2_cfg_setup Config Object Initialization function.

    void ir2_cfg_setup ( ir2_cfg_t *cfg );
  • ir2_init Initialization function.

    err_t ir2_init ( ir2_t *ctx, ir2_cfg_t *cfg );

Example key functions :

  • ir2_get_out_pin This function returns the OUT pin logic state.

    uint8_t ir2_get_out_pin ( ir2_t *ctx );
  • ir2_nec_send_data This function sends an address and data bytes using NEC protocol.

    void ir2_nec_send_data ( ir2_t *ctx, uint8_t address, uint8_t data_in );
  • ir2_nec_read_data This function reads an address and data bytes by using NEC protocol.

    err_t ir2_nec_read_data ( ir2_t *ctx, uint8_t *address, uint8_t *data_out );

Example Description

This example demonstrates the use of an IR 2 Click board by showing the communication between the two Click boards configured as a receiver and transmitter using the NEC protocol.

The demo application is composed of two sections :

Application Init

Initializes the driver and logger and displays the selected application mode.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    ir2_cfg_t ir2_cfg;  /**< Click config object. */

    /** 
     * 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.
    ir2_cfg_setup( &ir2_cfg );
    IR2_MAP_MIKROBUS( ir2_cfg, MIKROBUS_1 );
    if ( PWM_ERROR == ir2_init( &ir2, &ir2_cfg ) )
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    log_printf( &logger, "- - - - - - - - - - - - \r\n" );
#ifdef IR2_TRANSMITTER_MODE
    log_printf( &logger, "-  Transmitter mode   - \r\n" );
#else
    log_printf( &logger, "-    Receiver mode    - \r\n" );
#endif
    log_printf( &logger, "- - - - - - - - - - - - \r\n" );

    log_info( &logger, " Application Task " );
}

Application Task

Depending on the selected mode, it sends a desired message using NEC protocol or reads all the received data and displays them on the USB UART.

void application_task ( void )
{
#ifdef IR2_TRANSMITTER_MODE
    log_printf( &logger, " Sending message." );

    for ( uint8_t cnt = 0; cnt < sizeof ( IR2_DATA ); cnt++ )
    {
        ir2_nec_send_data ( &ir2, IR2_ADDRESS, IR2_DATA[ cnt ] );
        log_printf( &logger, "." );
    }

    log_printf( &logger, "\r\n Message has been sent! \r\n" );
    log_printf( &logger, "- - - - - - - - - - - - \r\n" );
    Delay_ms ( 500 );
#else
    uint8_t address;
    uint8_t rx_data;

    if ( IR2_OK == ir2_nec_read_data ( &ir2, &address, &rx_data ) )
    {
        log_printf( &logger, "Address: 0x%.2X, Data: %c\r\n", ( uint16_t ) address, rx_data );
    }
#endif
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.IR2

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. UART terminal is available in all MikroElektronika compilers.


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