NEO-6M GPS module public API. More...

#include "stm32f401re.h"
#include "stm32f401re_gpio.h"
#include "stm32f401re_usart.h"
#include "err.h"

Include dependency graph for neo6.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	NEO6_INFO_ts
	Holds all GPS data fields parsed from incoming NMEA sentences. More...
struct	NEO6_CFG_ts
	Configuration structure for initializing a NEO-6 handle. More...

Typedefs
typedef struct neo6_handle_s	NEO6_HANDLE_ts
	Opaque handle representing the NEO-6 hardware instance.

Enumerations
enum	NEO6_MESSAGES_te { GPS_MESSAGE_GGA , GPS_MESSAGE_GLL , GPS_MESSAGE_GSA , GPS_MESSAGE_GSV , GPS_MESSAGE_RMC , GPS_MESSAGE_VTG , GPS_MESSAGE_TXT }
	NMEA sentence type identifiers. More...

Functions
ERR_te	neo6_init_subsys (void)
	Initializes the NEO-6 subsystem.
ERR_te	neo6_deinit_subsys (void)
	Deinitializes the NEO-6 subsystem.
ERR_te	neo6_start_subsys (void)
	Starts the NEO-6 subsystem.
ERR_te	neo6_stop_subsys (void)
	Stops the NEO-6 subsystem.
ERR_te	neo6_init_handle (NEO6_CFG_ts neo6_cfg, NEO6_HANDLE_ts *neo6_handle_o)
	Initializes the NEO-6 hardware handle.
ERR_te	neo6_run (void)
	Processes received NMEA data. Must be called periodically.
ERR_te	neo6_get_info (NEO6_INFO_ts **neo6_info_o)
	Returns a pointer to the internal GPS data structure.

Detailed Description

NEO-6M GPS module public API.

Author: github.com/Baksi675

This module provides NMEA sentence parsing for the u-blox NEO-6M GPS receiver over USART with interrupt-driven reception. Received bytes are accumulated in a circular buffer and processed sentence-by-sentence by neo6_run.

The following NMEA sentence types are parsed:

GGA — fix quality, satellites used, orthometric height, geoid separation
GSA — fix type, PDOP, HDOP, VDOP
GSV — total satellites in view
RMC — latitude, longitude, UTC time, date
VTG — movement speed (kph), movement direction (degrees true north)

Parsed fields are stored in a single NEO6_INFO_ts structure accessible via neo6_get_info. All fields are null-terminated strings; unavailable or invalid data is indicated by the string "No data".

Typical usage:

Initialize the subsystem using neo6_init_subsys
Configure a handle using NEO6_CFG_ts and register it with neo6_init_handle
Start the subsystem using neo6_start_subsys
Call neo6_run periodically from the main loop to process received data
Retrieve parsed GPS data via neo6_get_info

Version: 0.1

Date: 2026-02-03

Definition in file neo6.h.

Classes

Typedefs

Enumerations

Functions

Detailed Description