Andy K / Mbed 2 deprecated SOWB

Satellite Observers Workbench. NOT yet complete, just published for forum posters to \"cherry pick\" pieces of code as requiered as an example.

Dependencies:   mbed

satapi/mbedfilesys.c@0:0a841b89d614, 2010-10-11 (annotated)

Committer:
AjK
Date:
Mon Oct 11 10:34:55 2010 +0000
Revision:
0:0a841b89d614
Totally Alpha quality as this project isn\t completed. Just publishing it as it answers many questions asked in the forums

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AjK 0:0a841b89d614 1 /****************************************************************************
AjK 0:0a841b89d614 2 * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd
AjK 0:0a841b89d614 3 *
AjK 0:0a841b89d614 4 * This file is part of the Satellite Observers Workbench (SOWB).
AjK 0:0a841b89d614 5 *
AjK 0:0a841b89d614 6 * SOWB is free software: you can redistribute it and/or modify
AjK 0:0a841b89d614 7 * it under the terms of the GNU General Public License as published by
AjK 0:0a841b89d614 8 * the Free Software Foundation, either version 3 of the License, or
AjK 0:0a841b89d614 9 * (at your option) any later version.
AjK 0:0a841b89d614 10 *
AjK 0:0a841b89d614 11 * SOWB is distributed in the hope that it will be useful,
AjK 0:0a841b89d614 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
AjK 0:0a841b89d614 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
AjK 0:0a841b89d614 14 * GNU General Public License for more details.
AjK 0:0a841b89d614 15 *
AjK 0:0a841b89d614 16 * You should have received a copy of the GNU General Public License
AjK 0:0a841b89d614 17 * along with SOWB. If not, see <http://www.gnu.org/licenses/>.
AjK 0:0a841b89d614 18 *
AjK 0:0a841b89d614 19 * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $
AjK 0:0a841b89d614 20 *
AjK 0:0a841b89d614 21 ***************************************************************************/
AjK 0:0a841b89d614 22
AjK 0:0a841b89d614 23 /* Sadly stung by the Mbed libraries again. The sheer number
AjK 0:0a841b89d614 24 of interrupts running on SOWB are incomp with the LocalFileSystem
AjK 0:0a841b89d614 25 library which simply crashes the entire project.
AjK 0:0a841b89d614 26
AjK 0:0a841b89d614 27 Need to get down to the electonics shop and buy myself some flash
AjK 0:0a841b89d614 28 and DIY my own solution again. Sigh... */
AjK 0:0a841b89d614 29
AjK 0:0a841b89d614 30 #ifdef NEVERCOMPILETHIS
AjK 0:0a841b89d614 31
AjK 0:0a841b89d614 32 #include "mbed.h"
AjK 0:0a841b89d614 33 #include "mbedfilesys.h"
AjK 0:0a841b89d614 34 #include "user.h"
AjK 0:0a841b89d614 35 #include "utils.h"
AjK 0:0a841b89d614 36 #include "gpio.h"
AjK 0:0a841b89d614 37 #include "debug.h"
AjK 0:0a841b89d614 38
AjK 0:0a841b89d614 39 LocalFileSystem local("local");
AjK 0:0a841b89d614 40
AjK 0:0a841b89d614 41 inline void disable_irqs(void) {
AjK 0:0a841b89d614 42 NVIC_DisableIRQ(EINT3_IRQn);
AjK 0:0a841b89d614 43 NVIC_DisableIRQ(RIT_IRQn);
AjK 0:0a841b89d614 44 NVIC_DisableIRQ(UART0_IRQn);
AjK 0:0a841b89d614 45 NVIC_DisableIRQ(UART1_IRQn);
AjK 0:0a841b89d614 46 NVIC_DisableIRQ(UART2_IRQn);
AjK 0:0a841b89d614 47 NVIC_DisableIRQ(USB_IRQn);
AjK 0:0a841b89d614 48 }
AjK 0:0a841b89d614 49
AjK 0:0a841b89d614 50 inline void enable_irqs(void) {
AjK 0:0a841b89d614 51 NVIC_EnableIRQ(USB_IRQn);
AjK 0:0a841b89d614 52 NVIC_EnableIRQ(EINT3_IRQn);
AjK 0:0a841b89d614 53 NVIC_EnableIRQ(RIT_IRQn);
AjK 0:0a841b89d614 54 NVIC_EnableIRQ(UART0_IRQn);
AjK 0:0a841b89d614 55 NVIC_EnableIRQ(UART1_IRQn);
AjK 0:0a841b89d614 56 NVIC_EnableIRQ(UART2_IRQn);
AjK 0:0a841b89d614 57 }
AjK 0:0a841b89d614 58
AjK 0:0a841b89d614 59 static int get_tle_from_file(const char *filename, int index, SAT_POS_DATA *sat) {
AjK 0:0a841b89d614 60 FILE *fp;
AjK 0:0a841b89d614 61 char *r, line[128];
AjK 0:0a841b89d614 62 int line_count = 0, sat_count = 0;
AjK 0:0a841b89d614 63
AjK 0:0a841b89d614 64 fp = fopen(filename, "r");
AjK 0:0a841b89d614 65 if (!fp) {
AjK 0:0a841b89d614 66 return SOWB_FILE_NOT_FOUND;
AjK 0:0a841b89d614 67 }
AjK 0:0a841b89d614 68 else {
AjK 0:0a841b89d614 69 while (!feof(fp)) {
AjK 0:0a841b89d614 70 LED1_ON;
AjK 0:0a841b89d614 71 disable_irqs();
AjK 0:0a841b89d614 72 r = fgets(line, 127, fp);
AjK 0:0a841b89d614 73 enable_irqs();
AjK 0:0a841b89d614 74 LED1_OFF;
AjK 0:0a841b89d614 75 if(!fgets(line, 127, fp)) {
AjK 0:0a841b89d614 76 fclose(fp);
AjK 0:0a841b89d614 77 return SOWB_FILE_EOF_REACHED;
AjK 0:0a841b89d614 78 }
AjK 0:0a841b89d614 79 else {
AjK 0:0a841b89d614 80 switch(line_count) {
AjK 0:0a841b89d614 81 case 0: strncpy(sat->elements[0], line, 80); break;
AjK 0:0a841b89d614 82 case 1: strncpy(sat->elements[1], line, 80); break;
AjK 0:0a841b89d614 83 case 2: strncpy(sat->elements[2], line, 80); break;
AjK 0:0a841b89d614 84 }
AjK 0:0a841b89d614 85 line_count++;
AjK 0:0a841b89d614 86 if (line_count == 3) {
AjK 0:0a841b89d614 87 if (sat_count == index) {
AjK 0:0a841b89d614 88 fclose(fp);
AjK 0:0a841b89d614 89 return SOWB_FILE_OK;
AjK 0:0a841b89d614 90 }
AjK 0:0a841b89d614 91 line_count = 0;
AjK 0:0a841b89d614 92 sat_count++;
AjK 0:0a841b89d614 93 }
AjK 0:0a841b89d614 94 }
AjK 0:0a841b89d614 95 }
AjK 0:0a841b89d614 96 }
AjK 0:0a841b89d614 97
AjK 0:0a841b89d614 98 fclose(fp);
AjK 0:0a841b89d614 99 return SOWB_FILE_INDEX_NOT_FOUND;
AjK 0:0a841b89d614 100 }
AjK 0:0a841b89d614 101
AjK 0:0a841b89d614 102 /* Used to hold the index across first/next calls. */
AjK 0:0a841b89d614 103 int satllite_index;
AjK 0:0a841b89d614 104
AjK 0:0a841b89d614 105 int get_first_tle_from_file(const char *filename, SAT_POS_DATA *sat) {
AjK 0:0a841b89d614 106 satllite_index = 0;
AjK 0:0a841b89d614 107 return get_tle_from_file(filename, satllite_index, sat);
AjK 0:0a841b89d614 108 }
AjK 0:0a841b89d614 109
AjK 0:0a841b89d614 110 int get_next_tle_from_file(const char *filename, SAT_POS_DATA *sat) {
AjK 0:0a841b89d614 111 satllite_index++;
AjK 0:0a841b89d614 112 return get_tle_from_file(filename, satllite_index, sat);
AjK 0:0a841b89d614 113 }
AjK 0:0a841b89d614 114
AjK 0:0a841b89d614 115 void process_tle(SAT_POS_DATA *sat) {
AjK 0:0a841b89d614 116 char line[128];
AjK 0:0a841b89d614 117
AjK 0:0a841b89d614 118 /* Wait until time and location are valid. */
AjK 0:0a841b89d614 119 do {
AjK 0:0a841b89d614 120 observer_now(sat);
AjK 0:0a841b89d614 121 user_call_process();
AjK 0:0a841b89d614 122 }
AjK 0:0a841b89d614 123 while (!sat->time.is_valid || !sat->location.is_valid);
AjK 0:0a841b89d614 124
AjK 0:0a841b89d614 125 debug_printf(" A %d\r\n", sizeof(SAT_POS_DATA));
AjK 0:0a841b89d614 126 debug_printf(" A %s", sat->elements[0]);
AjK 0:0a841b89d614 127 debug_printf(" A %s", sat->elements[1]);
AjK 0:0a841b89d614 128 debug_printf(" A %s", sat->elements[2]);
AjK 0:0a841b89d614 129 time_AsString(&sat->time, line);
AjK 0:0a841b89d614 130 debug_printf(" A AT %s\r\n", line);
AjK 0:0a841b89d614 131 sprintf(line, " A LAT %.4f\r\n", sat->location.latitude); debug_printf("%s", line);
AjK 0:0a841b89d614 132 sprintf(line, " A LON %.4f\r\n", sat->location.longitude); debug_printf("%s", line);
AjK 0:0a841b89d614 133 sprintf(line, " A HEI %.4f\r\n", sat->location.height); debug_printf("%s", line);
AjK 0:0a841b89d614 134
AjK 0:0a841b89d614 135 sat->tsince = 0;
AjK 0:0a841b89d614 136 satallite_calculate(sat);
AjK 0:0a841b89d614 137 debug_stringl(line, sprintf(line, " Azmith %.1f Elevation %.1f\r\n", sat->azimuth, sat->elevation));
AjK 0:0a841b89d614 138 }
AjK 0:0a841b89d614 139
AjK 0:0a841b89d614 140 #endif
AjK 0:0a841b89d614 141
AjK 0:0a841b89d614 142