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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.17
mikroSDK Library: 2.0.0.0
Category: GPS/GNSS
Downloaded: 227 times
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License: MIT license
IRNSS Click is a compact add-on board that provides fast positioning capability. This board features the L89H, a high-performance IRNSS-enabled GNSS module capable of acquiring and tracking GPS, IRNSS, GLONASS, BeiDou, Galileo, and QZSS signals from Quectel Wireless Solutions.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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4677_irnss_click.zip [587.06KB] | 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 dsPIC XC16 |
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IRNSS Click is a compact add-on board that provides fast positioning capability. This board features the L89H, a high-performance IRNSS-enabled GNSS module capable of acquiring and tracking GPS, IRNSS, GLONASS, BeiDou, Galileo, and QZSS signals from Quectel Wireless Solutions.
We provide a library for the IRNSS 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 IRNSS Click driver.
irnss_cfg_setup
Config Object Initialization function.
void irnss_cfg_setup ( irnss_cfg_t *cfg );
irnss_init
Initialization function.
err_t irnss_init ( irnss_t *ctx, irnss_cfg_t *cfg );
irnss_set_rst_pin_state
This function sets rst pin output to state setting.
void irnss_set_rst_pin_state ( irnss_t *ctx, uint8_t state );
irnss_generic_read
This function reads a desired number of data bytes by using UART serial interface.
err_t irnss_generic_read ( irnss_t *ctx, char *data_buf, uint16_t max_len );
irnss_parse_gngga
This function parses the GNGGA data from the read response buffer.
err_t irnss_parse_gngga ( char *rsp_buf, uint8_t gngga_element, char *element_data );
This example demonstrates the use of IRNSS Click by reading and displaying the GPS coordinates.
The demo application is composed of two sections :
Initializes the driver and resets the Click board.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
irnss_cfg_t irnss_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.
irnss_cfg_setup( &irnss_cfg );
IRNSS_MAP_MIKROBUS( irnss_cfg, MIKROBUS_1 );
if ( UART_ERROR == irnss_init( &irnss, &irnss_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Reads the received data, parses the GNGGA info from it, and once it receives the position fix it will start displaying the coordinates on the USB UART.
void application_task ( void )
{
irnss_process( &irnss );
if ( app_buf_len > ( sizeof ( ( char * ) IRNSS_RSP_GNGGA ) + IRNSS_GNGGA_ELEMENT_SIZE ) )
{
irnss_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.