#ifndef LINKED_LIST_H_INCLUDED
#define LINKED_LIST_H_INCLUDED

#include "gps_ip_defines.h"

typedef struct gps_ephem_ll {
	volatile gps_ephemeris_t* data_p;
	unsigned char tracking_ip_no;
	struct gps_ephem_ll* next;
	volatile unsigned int gps_subframe_mask;
	volatile gpstime_t gps_how_tow;
	volatile uint32_t gps_how_abs_sample;
	volatile double gps_how_corrected_abs_sample;
	volatile uint64_t gps_how_tick;
	volatile bool gps_how_anchor_valid;
	volatile uint32_t gps_nav_solve_sequence;
	volatile uint32_t gps_nav_solve_consumed_sequence;
	volatile uint32_t gps_last_nav_solve_abs_sample;
	volatile double gps_last_nav_solve_corrected_abs_sample;
	volatile uint64_t gps_last_nav_solve_local_ticks;
	volatile uint64_t gps_last_nav_solve_pps_counter;
	volatile uint32_t gps_last_pps_capture_sequence;
	volatile uint64_t gps_last_measurement_tick;
	volatile bool gps_measurement_valid;
} gps_ephem_ll_t;

typedef struct gps_acq_ll {
	unsigned int prn_no;
	struct gps_acq_ll* next;
} gps_acq_ll_t;

extern volatile gps_ephem_ll_t* tracking_node;
extern volatile gps_acq_ll_t* acquisition_node;

bool insert_element(volatile gps_ephem_ll_t** node,
	                volatile gps_ephemeris_t* data_p,
	                unsigned char trck_ip_no);
bool delete_by_ip_number(volatile gps_ephem_ll_t** node, unsigned char trck_ip_no);
bool trck_ip_exists(volatile gps_ephem_ll_t** node, unsigned char trck_ip_no);
volatile gps_ephem_ll_t* get_element_by_ip_number(volatile gps_ephem_ll_t** node,
	                                              unsigned char trck_ip_no);

bool insert_acq_element(volatile gps_acq_ll_t** node, unsigned int prn_no);
bool delete_acq_element_by_prn_number(volatile gps_acq_ll_t** node, unsigned int prn_no);
bool acq_prn_exists(volatile gps_acq_ll_t** node, unsigned int prn_no);

#endif