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mikroSDK Library

NB IoT 2 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.11

mikroSDK Library: 2.0.0.0

Category: LTE IoT

Downloaded: 188 times

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License: MIT license  

NB IoT 2 Click is a compact add-on board that contains a compact LTE Cat NB2 module with ultra-low power consumption. This board features the BC66-NA, a high-performance, multi-band LTE Cat NB2 module with extremely low power consumption from Quectel Wireless Solutions.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


NB IoT 2 Click

NB IoT 2 Click is a compact add-on board that contains a compact LTE Cat NB2 module with ultra-low power consumption. This board features the BC66-NA, a high-performance, multi-band LTE Cat NB2 module with extremely low power consumption from Quectel Wireless Solutions.

nb_iot_2_click.png

Click Product page


Click library

  • Author : Stefan Ilic
  • Date : Feb 2023.
  • Type : UART type

Software Support

We provide a library for the NB IoT 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 NB IoT 2 Click driver.

Standard key functions :

  • nbiot2_cfg_setup Config Object Initialization function.

    void nbiot2_cfg_setup ( nbiot2_cfg_t *cfg );
  • nbiot2_init Initialization function.

    err_t nbiot2_init ( nbiot2_t *ctx, nbiot2_cfg_t *cfg );

Example key functions :

  • nbiot2_set_rst_pin_state This function sets RST pin state.

    void nbiot2_set_rst_pin_state ( nbiot2_t *ctx, uint8_t state );
  • nbiot2_hw_reset NB IoT 2 hardware reset function.

    void nbiot2_hw_reset ( nbiot2_t *ctx );
  • nbiot2_send_cmd NB IoT 2 send command function.

    void nbiot2_send_cmd ( nbiot2_t *ctx, char *cmd );

Example Description

This example reads and processes data from NB IoT 2 clicks.

The demo application is composed of two sections :

Application Init

Initializes driver, wake-up module and sets default configuration for connecting device to network.


void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    nbiot2_cfg_t nbiot2_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.
    nbiot2_cfg_setup( &nbiot2_cfg );
    NBIOT2_MAP_MIKROBUS( nbiot2_cfg, MIKROBUS_1 );
    if ( UART_ERROR == nbiot2_init( &nbiot2, &nbiot2_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    log_printf( &logger, " - Reseting device... \r\n" );
    nbiot2_hw_reset( &nbiot2 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    app_error_flag = nbiot2_process( );
    nbiot2_error_check( app_error_flag );

    nbiot2_send_cmd( &nbiot2, NBIOT2_CMD_AT );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );

    nbiot2_send_cmd( &nbiot2, NBIOT2_CMD_ATI );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_CFUN, "1" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_QSPCHSC, "1" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_CPSMS, "1" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );

    nbiot2_set_apn( &nbiot2, SIM_APN );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );   

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_QRST, "1" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    app_error_flag = nbiot2_process( );
    nbiot2_error_check( app_error_flag );  

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_QBAND, "1,20" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );      

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_CEREG, "2" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );   

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_CSCON, "1" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );  

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_QNBIOTEVENT, "1,1" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );  

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_SM, "LOCK" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );  

    nbiot2_send_cmd_with_parameter( &nbiot2, NBIOT2_CMD_QSCLK, "0" );
    app_error_flag = nbiot2_check_response( );
    nbiot2_error_check( app_error_flag );  

    log_info( &logger, " Application Task " );

    app_connection_status = CONFIGURATION_FOR_EXAMPLE;

    app_buf_len = 0;
    app_buf_cnt = 0;
}

Application Task

This application is split into two examples:

  • TCP/UDP example - connecting to echo server and writing and reading data.
  • SMS example - Sending SMS message to desired number using TEXT or PDU mode.
void application_task ( void ) 
{   
    switch( app_connection_status )
    {
        case CONFIGURATION_FOR_EXAMPLE:
        {
            nbiot2_config_device_for_example( );
            break;
        }
        case EXAMPLE:
        {
            #if defined( NBIOT2_TCP_UDP_EXAMPLE )
                nbiot2_tcp_udp_example( );
            #endif   
            #if defined( NBIOT2_SMS_EXAMPLE )
                nbiot2_send_sms( );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
                Delay_ms ( 1000 );
            #endif
            break;
        }
        default:
        {
            log_error( &logger, "Application status error!" );
            app_connection_status = CONFIGURATION_FOR_EXAMPLE;
            Delay_ms ( 1000 );
            break;
        }
    }
}

Note

In order for the examples to work, user needs to set the APN and SMSC (SMS PDU mode only) of entered SIM card as well as the phone number to which he wants to send an SMS. Enter valid values for the following macros: SIM_APN, SIM_SMSC and PHONE_NUMBER_TO_MESSAGE.

Example:

  • SIM_APN "internet"
  • SIM_SMSC "+381610401"
  • PHONE_NUMBER_TO_MESSAGE "+381659999999"

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.NBIoT2

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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