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Diffstat (limited to 'src/fig0_28.cpp')
| -rw-r--r-- | src/fig0_28.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/fig0_28.cpp b/src/fig0_28.cpp new file mode 100644 index 0000000..68798c4 --- /dev/null +++ b/src/fig0_28.cpp @@ -0,0 +1,90 @@ +/* + 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> clusters_seen; + +bool fig0_28_is_complete(int cluster_id) +{ + bool complete = clusters_seen.count(cluster_id); + + if (complete) { + clusters_seen.clear(); + } + else { + clusters_seen.insert(cluster_id); + } + + return complete; +} + + +// FIG 0/28 FM Announcement switching +// ETSI EN 300 401 8.1.11.2.2 +bool fig0_28(fig0_common_t& fig0, int indent) +{ + uint16_t PI; + uint8_t i = 1, Cluster_Id_Current_Ensemble, Region_Id_Current_Ensemble; + bool New_flag, Rfa; + char tmpbuf[256]; + char desc[256]; + uint8_t* f = fig0.f; + bool complete = false; + + while (i < (fig0.figlen - 3)) { + // iterate over FM announcement switching + Cluster_Id_Current_Ensemble = f[i]; + complete = fig0_28_is_complete(Cluster_Id_Current_Ensemble); + New_flag = f[i+1] >> 7; + Rfa = (f[i+1] >> 6) & 0x01; + Region_Id_Current_Ensemble = f[i+1] & 0x3F; + PI = ((uint16_t)f[i+2] << 8) | (uint16_t)f[i+3]; + sprintf(desc, "Cluster Id Current Ensemble=0x%X", Cluster_Id_Current_Ensemble); + if (Cluster_Id_Current_Ensemble == 0) { + strcat(desc, " invalid value"); + fprintf(stderr, "WARNING: FIG 0/%d Cluster Id Current Ensemble invalid value 0\n", fig0.ext()); + } + sprintf(tmpbuf, ", New flag=%d %s announcement", + New_flag, New_flag?"newly introduced":"repeated"); + strcat(desc, tmpbuf); + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa); + strcat(desc, tmpbuf); + } + sprintf(tmpbuf, ", Region Id Current Ensemble=0x%X, PI=0x%X", Region_Id_Current_Ensemble, PI); + strcat(desc, tmpbuf); + printbuf(desc, indent+1, NULL, 0); + i += 4; + } + + return complete; +} + |