nanogps3  2.1.0.0
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Nano GPS 3 click

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Click library

  • Author : Nenad Filipovic
  • Date : Jul 2023.
  • Type : UART/I2C type

Software Support

We provide a library for the Nano GPS 3 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 Nano GPS 3 Click driver.

Standard key functions :

Example key functions :

  • nanogps3_parse_gngga Nano GPS 3 parse GNGGA function.
    err_t nanogps3_parse_gngga ( char *rsp, uint8_t cmd, uint8_t element, char *element_data );
  • nanogps3_generic_read Nano GPS 3 data reading function.
    err_t nanogps3_generic_read ( nanogps3_t *ctx, uint8_t *data_out, uint8_t len );
  • nanogps3_generic_write Nano GPS 3 data writing function.
    err_t nanogps3_generic_write ( nanogps3_t *ctx, uint8_t *data_in, uint8_t len );

Example Description

This example demonstrates the use of Nano GPS 3 click by reading and displaying the GPS coordinates.

The demo application is composed of two sections :

Application Init

Initializes the driver and resets the click board.

void application_init ( void )
{
log_cfg_t log_cfg;
nanogps3_cfg_t nanogps3_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
nanogps3_cfg_setup( &nanogps3_cfg );
NANOGPS3_MAP_MIKROBUS( nanogps3_cfg, MIKROBUS_1 );
err_t init_flag = nanogps3_init( &nanogps3, &nanogps3_cfg );
if ( ( UART_ERROR == init_flag ) || ( I2C_MASTER_ERROR == init_flag ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
nanogps3_default_cfg( &nanogps3 );
log_info( &logger, " Application Task " );
}

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 )
{
nanogps3_process( &nanogps3 );
if ( app_buf_len > ( sizeof( NANOGPS3_RSP_GNGGA ) + NANOGPS3_NMEA_GNGGA_NUM_ELEMENT ) )
{
nanogps3_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:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.NanoGPS3

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.


nanogps3_generic_write
err_t nanogps3_generic_write(nanogps3_t *ctx, uint8_t *data_in, uint8_t len)
Nano GPS 3 data writing function.
nanogps3_init
err_t nanogps3_init(nanogps3_t *ctx, nanogps3_cfg_t *cfg)
Nano GPS 3 initialization function.
NANOGPS3_MAP_MIKROBUS
#define NANOGPS3_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: nanogps3.h:187
NANOGPS3_RSP_GNGGA
#define NANOGPS3_RSP_GNGGA
Definition: nanogps3.h:87
nanogps3_parse_gngga
err_t nanogps3_parse_gngga(char *rsp_buf, uint8_t gngga_element, char *element_data)
Nano GPS 3 parse GNGGA function.
application_task
void application_task(void)
Definition: main.c:97
nanogps3_cfg_t
Nano GPS 3 Click configuration object.
Definition: nanogps3.h:255
nanogps3_cfg_setup
void nanogps3_cfg_setup(nanogps3_cfg_t *cfg)
Nano GPS 3 configuration object setup function.
NANOGPS3_NMEA_GNGGA_NUM_ELEMENT
#define NANOGPS3_NMEA_GNGGA_NUM_ELEMENT
Definition: nanogps3.h:97
application_init
void application_init(void)
Definition: main.c:65
nanogps3_s
Nano GPS 3 Click context object.
Definition: nanogps3.h:223
nanogps3_default_cfg
void nanogps3_default_cfg(nanogps3_t *ctx)
Nano GPS 3 default configuration function.
nanogps3_generic_read
err_t nanogps3_generic_read(nanogps3_t *ctx, uint8_t *data_out, uint8_t len)
Nano GPS 3 data reading function.