#ifndef __GPS_H__
#define __GPS_H__

#include "f41x_rtc.h"

/*
 * u-block GPS => Little Endian!!
 * sdcc => Little Endian
 * 
 */

#define GPS_MAX_TIME (60UL * 60 * 24 * 7) // seconds
#define GPS_MAX_SAT 16

void gps_init(void);
void gps_polling();
void send_fake_ubx_rxm_raw(u32 *itow);

extern volatile bit gps_ms_modified;
extern u8 xdata gps_num_of_sat;
extern u32 xdata gps_ms_next_1pps;

#define CRITICAL_GPS_1PPS(func) \
{ \
  IE0 = 0; \
  { \
    func; \
  } \
  IE0 = 1; \
}

#ifdef MAIN_C
void interrupt_int0(void) interrupt 0
{
  if(gps_ms_modified){
    gps_ms_modified = FALSE;
    
    rtc_set_seconds_now();
    global_ms = gps_ms_next_1pps;
    
    // Disable Alarm
    rtc_write(RTC_RTC0CN, (rtc_read(RTC_RTC0CN) & (~0x08)));
    
    global_ms_update_before_n_seconds = 0;
  }
  P1 ^= 0x40;
}
#endif

#endif /* __GPS_H__ */