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-rw-r--r--fig0_11.cpp209
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diff --git a/fig0_11.cpp b/fig0_11.cpp
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-/*
- Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
- Copyright (C) 2016 Matthias P. Braendli (http://www.opendigitalradio.org)
- Copyright (C) 2015 Data Path
-
- This program 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.
-
- This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
-
- Authors:
- Sergio Sagliocco <sergio.sagliocco@csp.it>
- Matthias P. Braendli <matthias@mpb.li>
- / | |- ')|) |-|_ _ (|,_ .| _ ,_ \
- Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
-
-*/
-
-#include "figs.hpp"
-#include <cstdio>
-#include <cstring>
-#include <map>
-#include <unordered_set>
-
-static std::unordered_set<int> region_ids_seen;
-
-bool fig0_11_is_complete(int region_id)
-{
- bool complete = region_ids_seen.count(region_id);
-
- if (complete) {
- region_ids_seen.clear();
- }
- else {
- region_ids_seen.insert(region_id);
- }
-
- return complete;
-}
-
-
-// FIG 0/11 Region definition
-// ETSI EN 300 401 8.1.16.1
-bool fig0_11(fig0_common_t& fig0, int indent)
-{
- Lat_Lng gps_pos = {0, 0};
- int16_t Latitude_coarse, Longitude_coarse;
- uint16_t Region_Id, Extent_Latitude, Extent_Longitude, key;
- uint8_t i = 1, j, k, GATy, Rfu, Length_TII_list, Rfa, MainId, Length_SubId_list, SubId;
- int8_t bit_pos;
- char desc[256];
- char tmpbuf[256];
- bool GE_flag;
- uint8_t* f = fig0.f;
- uint8_t Mode_Identity = get_mode_identity();
- bool complete = false;
-
- while (i < (fig0.figlen - 1)) {
- // iterate over Region definition
- GATy = f[i] >> 4;
- GE_flag = (f[i] >> 3) & 0x01;
- Region_Id = ((uint16_t)(f[i] & 0x07) << 8) | ((uint16_t)f[i+1]);
- complete |= fig0_11_is_complete(Region_Id);
-
- key = ((uint16_t)fig0.oe() << 12) | ((uint16_t)fig0.pd() << 11) | Region_Id;
- i += 2;
- if (GATy == 0) {
- // TII list
- sprintf(desc, "GATy=%d Geographical area defined by a TII list, G/E flag=%d %s coverage area, RegionId=0x%X, database key=0x%X",
- GATy, GE_flag, GE_flag?"Global":"Ensemble", Region_Id, key);
- if (i < fig0.figlen) {
- Rfu = f[i] >> 5;
- if (Rfu != 0) {
- sprintf(tmpbuf, ", Rfu=%d invalid value", Rfu);
- strcat(desc, tmpbuf);
- }
- Length_TII_list = f[i] & 0x1F;
- sprintf(tmpbuf, ", Length of TII list=%d", Length_TII_list);
- strcat(desc, tmpbuf);
- if (Length_TII_list == 0) {
- strcat(desc, ", CEI");
- }
- printbuf(desc, indent+1, NULL, 0);
- i++;
-
- for(j = 0;(i < (fig0.figlen - 1)) && (j < Length_TII_list); j++) {
- // iterate over Transmitter group
- Rfa = f[i] >> 7;
- MainId = f[i] & 0x7F;
- if (Rfa != 0) {
- sprintf(desc, "Rfa=%d invalid value, MainId=0x%X",
- Rfa, MainId);
- }
- else {
- sprintf(desc, "MainId=0x%X", MainId);
- }
- // check MainId value
- if ((Mode_Identity == 1) || (Mode_Identity == 2) || (Mode_Identity == 4)) {
- if (MainId > 69) {
- // The coding range shall be 0 to 69 for transmission modes I, II and IV
- sprintf(tmpbuf, " invalid value for transmission mode %d", Mode_Identity);
- strcat(desc, tmpbuf);
- }
- }
- else if (Mode_Identity == 3) {
- if (MainId > 5) {
- // The coding range shall be 0 to 5 for transmission modes I, II and IV
- sprintf(tmpbuf, " invalid value for transmission mode %d", Mode_Identity);
- strcat(desc, tmpbuf);
- }
- }
- Rfa = f[i+1] >> 5;
- if (Rfa != 0) {
- sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa);
- strcat(desc, tmpbuf);
- }
- Length_SubId_list = f[i+1] & 0x1F;
- sprintf(tmpbuf, ", Length of SubId=%d", Length_SubId_list);
- strcat(desc, tmpbuf);
- printbuf(desc, indent+2, NULL, 0);
- i += 2;
-
- bit_pos = 3;
- SubId = 0;
- for(k = 0;(i < fig0.figlen) && (k < Length_SubId_list); k++) {
- // iterate SubId
- if (bit_pos >= 0) {
- SubId |= (f[i] >> bit_pos) & 0x1F;
- sprintf(desc, "SubId=0x%X", SubId);
- // check SubId value
- if ((SubId == 0) || (SubId > 23)) {
- strcat(desc, " invalid value");
- }
- printbuf(desc, indent+3, NULL, 0);
- bit_pos -= 5;
- SubId = 0;
- }
- if (bit_pos < 0) {
- SubId = (f[i] << abs(bit_pos)) & 0x1F;
- bit_pos += 8;
- i++;
- }
- }
- if (bit_pos > 3) {
- // jump padding
- i++;
- }
- if (k < Length_SubId_list) {
- sprintf(desc, "%d SubId missing, fig length too short !", (Length_SubId_list - k));
- printbuf(desc, indent+3, NULL, 0);
- fprintf(stderr, "WARNING: FIG 0/%d length %d too short !\n", fig0.ext(), fig0.figlen);
- }
- }
- if (j < Length_TII_list) {
- sprintf(desc, "%d Transmitter group missing, fig length too short !", (Length_TII_list - j));
- printbuf(desc, indent+2, NULL, 0);
- fprintf(stderr, "WARNING: FIG 0/%d length %d too short !\n", fig0.ext(), fig0.figlen);
- }
- }
- }
- else if (GATy == 1) {
- // Coordinates
- sprintf(desc, "GATy=%d Geographical area defined as a spherical rectangle by the geographical co-ordinates of one corner and its latitude and longitude extents, G/E flag=%d %s coverage area, RegionId=0x%X, database key=0x%X",
- GATy, GE_flag, GE_flag?"Global":"Ensemble", Region_Id, key);
- if (i < (fig0.figlen - 6)) {
- Latitude_coarse = ((int16_t)f[i] << 8) | ((uint16_t)f[i+1]);
- Longitude_coarse = ((int16_t)f[i+2] << 8) | ((uint16_t)f[i+3]);
- gps_pos.latitude = ((double)Latitude_coarse) * 90 / 32768;
- gps_pos.longitude = ((double)Latitude_coarse) * 180 / 32768;
- sprintf(tmpbuf, ", Lat Lng coarse=0x%X 0x%X => %f, %f",
- Latitude_coarse, Longitude_coarse, gps_pos.latitude, gps_pos.longitude);
- strcat(desc, tmpbuf);
- Extent_Latitude = ((uint16_t)f[i+4] << 4) | ((uint16_t)(f[i+5] >> 4));
- Extent_Longitude = ((uint16_t)(f[i+5] & 0x0F) << 8) | ((uint16_t)f[i+6]);
- gps_pos.latitude += ((double)Extent_Latitude) * 90 / 32768;
- gps_pos.longitude += ((double)Extent_Longitude) * 180 / 32768;
- sprintf(tmpbuf, ", Extent Lat Lng=0x%X 0x%X => %f, %f",
- Extent_Latitude, Extent_Longitude, gps_pos.latitude, gps_pos.longitude);
- strcat(desc, tmpbuf);
- }
- else {
- sprintf(tmpbuf, ", Coordinates missing, fig length too short !");
- strcat(desc, tmpbuf);
- fprintf(stderr, "WARNING: FIG 0/%d length %d too short !\n", fig0.ext(), fig0.figlen);
- }
- printbuf(desc, indent+1, NULL, 0);
- i += 7;
- }
- else {
- // Rfu
- sprintf(desc, "GATy=%d reserved for future use of the geographical, G/E flag=%d %s coverage area, RegionId=0x%X, database key=0x%X, stop Region definition iteration %d/%d",
- GATy, GE_flag, GE_flag?"Global":"Ensemble", Region_Id, key, i, fig0.figlen);
- printbuf(desc, indent+1, NULL, 0);
- // stop Region definition iteration
- i = fig0.figlen;
- }
- }
-
- return complete;
-}
-
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