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MikroE


GSM_GNSS_2 Click

  • CIC Prefix : GSMGNSS2
  • Author : Katarina Perendic
  • Verison : 1.0.0
  • Date : jan 2019.

Software Support

We provide a library for the GSM_GNSS_2 Click on our LibStock page, as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Library Description

Library carries generic command parser adopted for AT command based modules. Generic parser

Key functions :

  • gsmgnss2_cmdSingle - Sends provided command to the module
  • gsmgnss2_setHandler - Handler assignation to the provied command
  • gsmgnss2_modulePower - Turn on module

Examples Description

The application is composed of three sections :

  • System Initialization - Initializes all necessary GPIO pins, UART used for the communcation with GSM/GNSS module and UART used for infromation logging
  • Application Initialization - Initializes driver, power on module and sends few command for the default module configuration
  • Application Task - running in parallel core state machine and checks for call flag. If call detected parser will hang up call. Every 3 seconds calls NMEA - GGA command to receive the current position
// MODULE POWER ON
    gsmgnss2_hfcEnable( 1 );
    gsmgnss2_modulePower( 1 );

// GSM INIT
    gsmgnss2_cmdSingle( &GSM_CMD_AT[0] );
    gsmgnss2_cmdSingle( &GSM_CMD_ATI[0] );
    gsmgnss2_cmdSingle( &GSM_CMD_ATE[0] );
    gsmgnss2_cmdSingle( &GSM_CMD_IFC[0] );
    gsmgnss2_cmdSingle( &GSM_CMD_CMGF[0] );

    gsmgnss2_cmdSingle( &GNSS_CMD_CGNSPWR[0] );
    Delay_ms( 3000 );

Additional Functions :

All additional functions such as timer initialization and default handler.

Alongside with the demo application timer initialization functions are provided. Note that timer is configured acording to default develoment system and MCUs, changing the system or MCU may require update of timer init and timer ISR functions.

The full application code, and ready to use projects can be found on our LibStock page.

Other mikroE Libraries used in the example:

  • String
  • Conversion

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.