Satellite Observers Workbench. NOT yet complete, just published for forum posters to \"cherry pick\" pieces of code as requiered as an example.
gps/gps.h
- Committer:
- AjK
- Date:
- 2010-10-11
- Revision:
- 0:0a841b89d614
File content as of revision 0:0a841b89d614:
/**************************************************************************** * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd * * This file is part of the Satellite Observers Workbench (SOWB). * * SOWB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * SOWB is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with SOWB. If not, see <http://www.gnu.org/licenses/>. * * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ * ***************************************************************************/ #ifndef GPS_H #define GPS_H #define GPS_LAT_STR 0 #define GPS_LON_STR 1 #define GPS_HISTORY_SIZE 60 typedef struct _gps_time { int year; char month; char day; char hour; char minute; char second; char tenth; char hundreth; char is_valid; char prev_valid; } GPS_TIME; typedef struct _gps_location_raw { char north_south; char east_west; char lat[16]; char lon[16]; char alt[16]; char sats[8]; char is_valid; uint32_t updated; } GPS_LOCATION_RAW; typedef struct _gps_location_average { char north_south; double latitude; char east_west; double longitude; double height; char *sats; char is_valid; } GPS_LOCATION_AVERAGE; /* GPS module API function prototypes. */ void gps_init(void); void gps_process(void); double gps_convert_coord(char *s, int type); double gps_julian_day_number(GPS_TIME *t); double gps_julian_date(GPS_TIME *t); double gps_siderealDegrees_by_jd(double jd); double gps_siderealDegrees_by_time(GPS_TIME *t); double gps_siderealHA_by_jd(double jd); double gps_siderealHA_by_time(GPS_TIME *t); GPS_TIME *gps_get_time(GPS_TIME *q); GPS_LOCATION_RAW *gps_get_location_raw(GPS_LOCATION_RAW *q); GPS_LOCATION_AVERAGE *gps_get_location_average(GPS_LOCATION_AVERAGE *q); /* Used by other modules to make callbacks. */ void gps_pps_fall(void); /* gpioirq.c needs this to know what to callback to. */ #define GPS_BUFFER_SIZE 128 /* Used to test the IIR register. Common across UARTs. */ #define UART_ISSET_THRE 0x0002 #define UART_ISSET_RDA 0x0004 #define UART_ISSET_CTI 0x000C #define UART_ISSET_RLS 0x0006 #define UART_ISSET_FIFOLVL_RXFULL 0x0000000F #define UART_ISSET_FIFOLVL_TXFULL 0x00000F00 #define UART_RX_INTERRUPT iir & UART_ISSET_RDA /* UART1 register configuration values. */ #define UART1_SET_LCR 0x00000003 #define UART1_SET_LCR_DLAB 0x00000083 #define UART1_SET_DLLSB 0x71 #define UART1_SET_DLMSB 0x02 #define UART1_SET_FCR 0x01 #define UART1_SET_FCR_CLEAR 0x07 #define UART1_SET_IER 0x07 /* Macros. */ #define UART1_FIFO_NOT_EMPTY LPC_UART1->LSR & 0x1 #define UART1_GETC (char)LPC_UART1->RBR #endif