/* Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/) Copyright (C) 2017 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 . Authors: Sergio Sagliocco Matthias P. Braendli / | |- ')|) |-|_ _ (|,_ .| _ ,_ \ Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/ */ #include "figs.hpp" #include #include #include #include static std::unordered_set services_seen; bool fig0_18_is_complete(int services_id) { bool complete = services_seen.count(services_id); if (complete) { services_seen.clear(); } else { services_seen.insert(services_id); } return complete; } // FIG 0/18 Announcement support // ETSI EN 300 401 8.1.6.1 fig_result_t fig0_18(fig0_common_t& fig0, const display_settings_t &disp) { uint32_t key; uint16_t SId, Asu_flags; uint8_t i = 1, j, Rfa, Number_clusters; fig_result_t r; uint8_t* f = fig0.f; while (i < (fig0.figlen - 4)) { // iterate over announcement support // SId, Asu flags, Rfa, Number of clusters SId = ((uint16_t)f[i] << 8) | (uint16_t)f[i+1]; r.complete |= fig0_18_is_complete(SId); Asu_flags = ((uint16_t)f[i+2] << 8) | (uint16_t)f[i+3]; Rfa = (f[i+4] >> 5); Number_clusters = (f[i+4] & 0x1F); r.msgs.push_back(strprintf("SId=0x%X", SId)); r.msgs.push_back(strprintf("Asu flags=0x%04x", Asu_flags)); if (Rfa != 0) { r.errors.push_back(strprintf("Rfa=%d invalid value", Rfa)); } r.msgs.push_back(strprintf("Number of clusters=%d", Number_clusters)); key = ((uint32_t)fig0.oe() << 17) | ((uint32_t)fig0.pd() << 16) | (uint32_t)SId; r.msgs.push_back(strprintf("database key=0x%05x", key)); // CEI Change Event Indication if ((Number_clusters == 0) && (Asu_flags == 0)) { r.msgs.emplace_back("CEI"); } i += 5; for(j = 0; (j < Number_clusters) && (i < fig0.figlen); j++) { // iterate over Cluster Id r.msgs.emplace_back(1, strprintf("Cluster Id=0x%X", f[i])); i++; } if (j < Number_clusters) { r.errors.push_back("missing Cluster Id, fig length too short !"); } // decode announcement support types for (j = 0; j < 16; j++) { if (Asu_flags & (1 << j)) { r.msgs.emplace_back(1, strprintf("Announcement support=%s", get_announcement_type(j))); } } } return r; }