#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "gnss_frame.h"
#include "records.h"
#include "ubx.h"

Include dependency graph for gnss_core.h:

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

Go to the source code of this file.

Classes
struct	gnss_io_t
struct	gnss_core_t

Macros
#define	GNSS_RUN_BAUD 115200U
#define	GNSS_LISTEN_US 1500000U /* > one 1 Hz NMEA period */
#define	GNSS_ACK_US 500000U
#define	GNSS_CONFIG_TRIES 3U
#define	GNSS_SILENCE_US 2000000U
#define	GNSS_RATE_MS 100U /* 10 Hz NAV-PVT (data sheet p.4: up to 10 Hz) */

Enumerations
enum	gnss_state_t { GNSS_DETECT = 0 , GNSS_CONFIG , GNSS_RUN }

Functions
void	gnss_core_init (gnss_core_t *core, uint32_t now_us)
void	gnss_core_feed (gnss_core_t core, const uint8_t bytes, size_t n, uint32_t now_us)
void	gnss_core_poll (gnss_core_t *core, uint32_t now_us)
void	gnss_core_set_pps (gnss_core_t *core, uint32_t edge_us)
bool	gnss_core_request_status (gnss_core_t *core)
uint32_t	gnss_core_wait_us (const gnss_core_t *core, uint32_t now_us)

Macro Definition Documentation

◆ GNSS_ACK_US

#define GNSS_ACK_US 500000U

Definition at line 34 of file gnss_core.h.

Referenced by send_config().

◆ GNSS_CONFIG_TRIES

#define GNSS_CONFIG_TRIES 3U

Definition at line 35 of file gnss_core.h.

Referenced by gnss_core_poll().

◆ GNSS_LISTEN_US

#define GNSS_LISTEN_US 1500000U /* > one 1 Hz NMEA period */

Definition at line 33 of file gnss_core.h.

Referenced by detect().

◆ GNSS_RATE_MS

#define GNSS_RATE_MS 100U /* 10 Hz NAV-PVT (data sheet p.4: up to 10 Hz) */

Definition at line 37 of file gnss_core.h.

Referenced by send_config().

◆ GNSS_RUN_BAUD

#define GNSS_RUN_BAUD 115200U

Definition at line 32 of file gnss_core.h.

Referenced by configure().

◆ GNSS_SILENCE_US

#define GNSS_SILENCE_US 2000000U

Definition at line 36 of file gnss_core.h.

Referenced by on_frame(), and on_pvt().

Enumeration Type Documentation

◆ gnss_state_t

enum gnss_state_t

Enumerator
GNSS_DETECT
GNSS_CONFIG
GNSS_RUN

Definition at line 48 of file gnss_core.h.

Function Documentation

◆ gnss_core_feed()

void gnss_core_feed	(	gnss_core_t *	core,
		const uint8_t *	bytes,
		size_t	n,
		uint32_t	now_us )

Definition at line 139 of file gnss_core.c.

References gnss_frame_feed(), GNSS_FRAME_NONE, on_frame(), and gnss_core_t::parser.

Referenced by fly(), gnss_task(), and run().

◆ gnss_core_init()

void gnss_core_init	(	gnss_core_t *	core,
		uint32_t	now_us )

Definition at line 53 of file gnss_core.c.

References gnss_core_t::candidate, detect(), GNSS_DETECT, gnss_core_t::pps_us, and gnss_core_t::state.

Referenced by gnss_task(), rig(), and world_init().

◆ gnss_core_poll()

void gnss_core_poll	(	gnss_core_t *	core,
		uint32_t	now_us )

Definition at line 149 of file gnss_core.c.

References BAUD_COUNT, gnss_core_t::candidate, gnss_core_t::deadline_us, detect(), GNSS_CONFIG, GNSS_CONFIG_TRIES, GNSS_DETECT, GNSS_RUN, restart(), send_config(), gnss_core_t::state, and gnss_core_t::tries.

Referenced by fly(), gnss_task(), and run().

◆ gnss_core_request_status()

bool gnss_core_request_status ( gnss_core_t * core )

Definition at line 171 of file gnss_core.c.

References gnss_io_t::ctx, frame(), GNSS_RUN, gnss_core_t::io, gnss_io_t::send, gnss_core_t::state, UBX_CLASS_MON, UBX_CLASS_NAV, UBX_ID_MON_RF, UBX_ID_NAV_SAT, and ubx_poll().

Referenced by gnss_task().

◆ gnss_core_set_pps()

void gnss_core_set_pps	(	gnss_core_t *	core,
		uint32_t	edge_us )

Definition at line 60 of file gnss_core.c.

References gnss_core_t::pps_us.

Referenced by fly(), gnss_task(), and test_pps_is_stamped().

◆ gnss_core_wait_us()

uint32_t gnss_core_wait_us	(	const gnss_core_t *	core,
		uint32_t	now_us )

Definition at line 183 of file gnss_core.c.

References gnss_core_t::deadline_us.