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Author: MIKROE
Last Updated: 2024-07-04
Package Version: 2.1.0.6
mikroSDK Library: 2.0.0.0
Category: GPS/GNSS
Downloaded: 14 times
Not followed.
License: MIT license
GNSS RTK 3 Click is a compact add-on board that enhances the precision of position data derived from satellite-based positioning systems. This board features the LC29HEA, a dual-band, multi-castellation GNSS module from Quectel. This module supports the concurrent reception of all five global GNSS constellations: GPS, BDS, Galileo, GZSS, and GLONASS. It can receive and track many visible satellites in multi-bands, significantly mitigating the multipath effect in deep urban canyons and improving positioning accuracy.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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5720_gnss_rtk_3_ea_cl.zip [673.09KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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GNSS RTK 3 Click is a compact add-on board that enhances the precision of position data derived from satellite-based positioning systems. This board features the LC29HEA, a dual-band, multi-castellation GNSS module from Quectel. This module supports the concurrent reception of all five global GNSS constellations: GPS, BDS, Galileo, GZSS, and GLONASS. It can receive and track many visible satellites in multi-bands, significantly mitigating the multipath effect in deep urban canyons and improving positioning accuracy.
We provide a library for the GNSS RTK 3 EA 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.
This library contains API for GNSS RTK 3 EA Click driver.
gnssrtk3ea_cfg_setup
Config Object Initialization function.
void gnssrtk3ea_cfg_setup ( gnssrtk3ea_cfg_t *cfg );
gnssrtk3ea_init
Initialization function.
err_t gnssrtk3ea_init ( gnssrtk3ea_t *ctx, gnssrtk3ea_cfg_t *cfg );
gnssrtk3ea_enable_device
This function enables the device by setting the CEN pin to high logic state.
void gnssrtk3ea_enable_device ( gnssrtk3ea_t *ctx );
gnssrtk3ea_generic_read
This function reads a desired number of data bytes by using UART or I2C serial interface.
err_t gnssrtk3ea_generic_read ( gnssrtk3ea_t *ctx, uint8_t *data_out, uint16_t len );
gnssrtk3ea_parse_gga
This function parses the GGA data from the read response buffer.
err_t gnssrtk3ea_parse_gga ( uint8_t *rsp_buf, uint8_t gga_element, uint8_t *element_data );
This example demonstrates the use of GNSS RTK 3 EA click by reading and displaying the GNSS coordinates.
The demo application is composed of two sections :
Initializes the driver and enables the click board.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
gnssrtk3ea_cfg_t gnssrtk3ea_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.
gnssrtk3ea_cfg_setup( &gnssrtk3ea_cfg );
GNSSRTK3EA_MAP_MIKROBUS( gnssrtk3ea_cfg, MIKROBUS_1 );
if ( GNSSRTK3EA_OK != gnssrtk3ea_init( &gnssrtk3ea, &gnssrtk3ea_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
gnssrtk3ea_enable_device ( &gnssrtk3ea );
log_info( &logger, " Application Task " );
}
Reads the received data, parses the NMEA GGA info from it, and once it receives the position fix it will start displaying the coordinates on the USB UART.
void application_task ( void )
{
if ( GNSSRTK3EA_OK == gnssrtk3ea_process( &gnssrtk3ea ) )
{
gnssrtk3ea_parser_application( app_buf );
}
}
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:
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.