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Diffstat (limited to 'fig0_26.cpp')
| -rw-r--r-- | fig0_26.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/fig0_26.cpp b/fig0_26.cpp new file mode 100644 index 0000000..b519ed8 --- /dev/null +++ b/fig0_26.cpp @@ -0,0 +1,88 @@ +/* + 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> + + +// FIG 0/26 fig0.oe() Announcement switching +// ETSI EN 300 401 8.1.10.5.2 +void fig0_26(fig0_common_t& fig0, int indent) +{ + uint16_t Asw_flags, EId_Other_Ensemble; + uint8_t i = 1, j, Rfa, Cluster_Id_Current_Ensemble, Region_Id_Current_Ensemble; + uint8_t Cluster_Id_Other_Ensemble, Region_Id_Other_Ensemble; + bool New_flag, Region_flag; + char tmpbuf[256]; + char desc[256]; + uint8_t* f = fig0.f; + + while (i < (fig0.figlen - 6)) { + // iterate over other ensembles announcement switching + Cluster_Id_Current_Ensemble = f[i]; + Asw_flags = ((uint16_t)f[i+1] << 8) | (uint16_t)f[i+2]; + New_flag = f[i+3] >> 7; + Region_flag = (f[i+3] >> 6) & 0x01; + Region_Id_Current_Ensemble = f[i+3] & 0x3F; + EId_Other_Ensemble = ((uint16_t)f[i+4] << 8) | (uint16_t)f[i+5]; + Cluster_Id_Other_Ensemble = f[i+6]; + sprintf(desc, "Cluster Id Current Ensemble=0x%X, Asw flags=0x%X, New flag=%d %s announcement, Region flag=%d last byte %s, Region Id Current Ensemble=0x%X, EId Other Ensemble=0x%X, Cluster Id Other Ensemble=0x%X", + Cluster_Id_Current_Ensemble, Asw_flags, New_flag, New_flag?"newly introduced":"repeated", + Region_flag, Region_flag?"present":"absent. The announcement concerns the whole service area", + Region_Id_Current_Ensemble, EId_Other_Ensemble, Cluster_Id_Other_Ensemble); + i += 7; + if (Region_flag != 0) { + if (i < fig0.figlen) { + // get Region Id Other Ensemble + Rfa = (f[i] >> 6); + Region_Id_Other_Ensemble = f[i] & 0x3F; + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa); + strcat(desc, tmpbuf); + } + sprintf(tmpbuf, ", Region Id Other Ensemble=0x%X", Region_Id_Other_Ensemble); + strcat(desc, tmpbuf); + } + else { + sprintf(tmpbuf, "missing Region Id Other Ensemble, fig length too short !"); + strcat(desc, tmpbuf); + fprintf(stderr, "WARNING: FIG 0/%d length %d too short !\n", fig0.ext(), fig0.figlen); + } + i++; + } + printbuf(desc, indent+1, NULL, 0); + // decode announcement switching types + for(j = 0; j < 16; j++) { + if (Asw_flags & (1 << j)) { + sprintf(desc, "Announcement switching=%s", get_announcement_type(j)); + printbuf(desc, indent+2, NULL, 0); + } + } + } +} + |