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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 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.
*/
#include <stdint.h>
#ifndef __GPS_H_
#define __GPS_H_
/* Setup GPS receiver over I2C and parse time */
/* I2C connections:
* SCL on PB6
* SDA on PB9
*/
#define GPS_I2C_ADDR 0x42 // I2C address of GPS receiver
struct gps_time_s {
uint16_t year; // Year, range 1999..2099 (UTC)
uint8_t month; // Month, range 1..12 (UTC)
uint8_t day; // Day of Month, range 1..31 (UTC)
uint8_t hour; // Hour of Day, range 0..23 (UTC)
uint8_t min; // Minute of Hour, range 0..59 (UTC)
uint8_t sec; // Seconds of Minute, range 0..59 (UTC)
uint8_t valid; // validity flag
};
// Setup communication and GPS receiver
void gps_init();
// Return 1 of the GPS is receiving time
int gps_locked();
// Get current time from GPS
void gps_utctime(struct gps_time_s *timeutc);
#endif // __GPS_H_
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