/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Matthias P. Braendli
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
*/

#pragma once

#include <stdint.h>
#include <time.h>

/* Setup GPS receiver over USART and parse time */

/* USART connections:
 * board TX to GPS RX on PD8
 * board RX to GPS TX on PD9
 */

// Setup communication and GPS receiver
void gps_init(void);

// Return 1 of the GPS is receiving time
int gps_locked(void);

// Get current time from GPS and number of satellite vehicles
// used for fix.
// Returns 1 if data is valid, 0 otherwise
int gps_utctime(struct tm *timeutc, int *num_sv_used);