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mikroSDK Library

UWB Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.10

mikroSDK Library: 2.0.0.0

Category: UWB

Downloaded: 299 times

Not followed.

License: MIT license  

UWB Click is an Ultra-Wideband transceiver Click board™ that can be used in 2-way ranging or TDOA location systems to locate assets to a precision of 10 cm and supports data rates of up to 6.8 Mbps. This Click board™ features the DWM1000 module based on Decawave's DW1000 Ultra-Wideband (UWB) transceiver from Decawave Limited.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


UWB Click

UWB Click is an Ultra-Wideband transceiver Click board™ that can be used in 2-way ranging or TDOA location systems to locate assets to a precision of 10 cm and supports data rates of up to 6.8 Mbps. This Click board™ features the DWM1000 module based on Decawave's DW1000 Ultra-Wideband (UWB) transceiver from Decawave Limited.

uwb_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : jul 2020.
  • Type : SPI type

Software Support

We provide a library for the Uwb 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 Uwb Click driver.

Standard key functions :

  • uwb_cfg_setup Config Object Initialization function.

    void uwb_cfg_setup ( uwb_cfg_t *cfg ); 
  • uwb_init Initialization function.

    err_t uwb_init ( uwb_t *ctx, uwb_cfg_t *cfg );

Example key functions :

  • uwb_set_mode This function set device working mode.

    void uwb_set_mode ( uwb_t *ctx, uint8_t mode );
  • uwb_get_transmit_status This function get transmit status.

    uint8_t uwb_get_transmit_status ( uwb_t *ctx );
  • uwb_start_transceiver This function start communication of device.

    void uwb_start_transceiver ( uwb_t *ctx );

Examples Description

UWB Click sends and receive data, depending on the selected device mode.

The demo application is composed of two sections :

Application Init

Initializes the driver and configures the Click board for the selected mode.


void application_init ( void )
{
    log_cfg_t log_cfg;
    uwb_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.
    uwb_cfg_setup( &cfg );
    UWB_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    uwb_init( &uwb, &cfg );
    Delay_ms ( 100 );

    uwb_enable ( &uwb );
    Delay_ms ( 100 );

    uint8_t id_raw[ 4 ] = { 0 };
    uwb.offset = UWB_SUB_NO;                               
    uwb_generic_read( &uwb, UWB_REG_DEV_ID, &id_raw[ 0 ], 4 );

    uint16_t tag_data = ( ( uint16_t ) id_raw[ 3 ] << 8 ) | id_raw[ 2 ];

    if ( UWB_TAG != tag_data )
    {
        log_printf( &logger, " ***** ERROR ***** \r\n" );
        for ( ; ; );
    }

    uwb_set_mode( &uwb, UWB_MODE_IDLE );

    //-----------------------------------------------------

    // Setting device mode and interrupt for that mode as well as clearing dev_status reg.
    uwb_set_mode( &uwb, dev_mode );
    uwb_int_mask_set( &uwb );
    uwb_clear_status( &uwb );

    // Setting device address and network ID
    log_printf( &logger, " ******************** \r\n" );
    if ( UWB_MODE_RX == dev_mode )
    {
        uwb_set_dev_adr_n_network_id( &uwb, 6, 10 );
        log_printf( &logger, " ***** RECEIVER ***** \r\n" );
    }
    else if ( UWB_MODE_TX == dev_mode )
    {
        uwb_set_dev_adr_n_network_id( &uwb, 5, 10 );
        log_printf( &logger, " **** TRANSMITER **** \r\n" );
    }
    log_printf( &logger, " ******************** \r\n" );

    Delay_ms ( 100 );

    // Setting default configuartion and tuning device for that configuration
    uwb_use_smart_power( &uwb, UWB_LOW );
    uwb_frame_check( UWB_LOW );
    uwb_frame_filter( &uwb, UWB_LOW );
    uwb_set_transmit_type( &uwb, &UWB_TMODE_LONGDATA_RANGE_LOWPOWER[ 0 ] );
    uwb_set_channel( &uwb, UWB_CHANNEL_5 );
    uwb_tune_config( &uwb );

    Delay_ms ( 100 );

    if ( UWB_MODE_RX == dev_mode )
    {
        // Setup for first receive
        uwb_set_mode( &uwb, UWB_MODE_IDLE );
        uwb_set_bit ( &uwb, UWB_REG_SYS_CFG, 29, UWB_HIGH );
        uwb_set_bit ( &uwb, UWB_REG_SYS_CFG, 30, UWB_HIGH );
        uwb_set_bit ( &uwb, UWB_REG_SYS_CFG, 31, UWB_HIGH );
        uwb_set_mode( &uwb, UWB_MODE_RX );
        uwb_clear_status( &uwb );
        uwb_start_transceiver( &uwb );
    }
    else if ( UWB_MODE_TX == dev_mode )
    {
        // Setup for first transmit
        uwb_set_mode( &uwb, UWB_MODE_IDLE );
        uwb_clear_status( &uwb );
        uwb_set_transmit( &uwb, &data_tx_1[ 0 ], 6 );
        uwb_set_mode( &uwb, UWB_MODE_TX );
        uwb_start_transceiver( &uwb );
        log_printf( &logger, " - Transmit 1 done - \r\n" );
    }

    log_printf( &logger, " ***** APP TASK ***** \r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

Application Task

Depending on the selected mode, it reads all the received data or sends the desired message every 2 seconds.


void application_task ( void )
{
    dev_status = uwb_get_qint_pin_status( &uwb );

    if ( UWB_MODE_RX == dev_mode )
    {
        if ( dev_status )
        {
            // Reading transmitted data, logs it and resetting to receive mode
            uwb_set_mode( &uwb, UWB_MODE_IDLE );
            uwb_clear_status( &uwb );
            temp_len = uwb_get_transmit_len( &uwb );
            uwb_get_transmit( &uwb, &transmit_data[ 0 ], temp_len );
            log_printf( &logger, "Received data: %s\r\n", transmit_data );
            log_printf( &logger, " - Receive done - \r\n" );
            uwb_set_mode( &uwb, UWB_MODE_RX );
            uwb_start_transceiver( &uwb );
        }
    }
    else if ( UWB_MODE_TX == dev_mode )
    {
        if ( dev_status )
        {
            // Transmits data, resetting to transmit mode and sets 2sec delay
            uwb_set_mode( &uwb, UWB_MODE_IDLE );
            uwb_clear_status( &uwb );
            uwb_set_transmit( &uwb, &data_tx_2[ 0 ], 9 );
            uwb_set_mode( &uwb, UWB_MODE_TX );
            uwb_start_transceiver( &uwb );
            log_printf( &logger, " - Transmit 2 done - \r\n" );
            Delay_ms ( 1000 );
            Delay_ms ( 1000 );
            uwb_set_mode( &uwb, UWB_MODE_IDLE );
            uwb_clear_status( &uwb );
            uwb_set_transmit( &uwb, &data_tx_1[ 0 ], 6 );
            uwb_set_mode( &uwb, UWB_MODE_TX );
            uwb_start_transceiver( &uwb );
            log_printf( &logger, " - Transmit 1 done - \r\n" );
            Delay_ms ( 1000 );
            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.Uwb

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.


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