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Diffstat (limited to 'src/fig0_16.cpp')
| -rw-r--r-- | src/fig0_16.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/fig0_16.cpp b/src/fig0_16.cpp new file mode 100644 index 0000000..24c9040 --- /dev/null +++ b/src/fig0_16.cpp @@ -0,0 +1,127 @@ +/* + 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 <set> + +/* SId and PNum look like good candidates to uniquely identify a FIG0_16 + */ +using SId_t = int; +using PNum_t = int; +static std::set<std::pair<SId_t, PNum_t> > components_seen; + +bool fig0_16_is_complete(SId_t SId, PNum_t PNum) +{ + auto key = std::make_pair(SId, PNum); + bool complete = components_seen.count(key); + + if (complete) { + components_seen.clear(); + } + else { + components_seen.insert(key); + } + + return complete; +} + + +// FIG 0/16 Programme Number & fig0.oe() Programme Number +// ETSI EN 300 401 8.1.4 & 8.1.10.3 +bool fig0_16(fig0_common_t& fig0, int indent) +{ + uint16_t SId, PNum, New_SId, New_PNum; + uint8_t i = 1, Rfa, Rfu; + char tmpbuf[256]; + char desc[256]; + bool Continuation_flag, Update_flag; + uint8_t* f = fig0.f; + bool complete = false; + + while (i < (fig0.figlen - 4)) { + // iterate over Programme Number + SId = ((uint16_t)f[i] << 8) | ((uint16_t)f[i+1]); + PNum = ((uint16_t)f[i+2] << 8) | ((uint16_t)f[i+3]); + complete |= fig0_16_is_complete(SId, PNum); + Rfa = f[i+4] >> 6; + Rfu = (f[i+4] >> 2) & 0x0F; + Continuation_flag = (f[i+4] >> 1) & 0x01; + Update_flag = f[i+4] & 0x01; + + sprintf(desc, "SId=0x%X, PNum=0x%X ", SId, PNum); + // Append PNum decoded string + strcatPNum(desc, PNum); + + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa); + strcat(desc, tmpbuf); + } + + if (Rfu != 0) { + sprintf(tmpbuf, ", Rfu=0x%X invalid value", Rfu); + strcat(desc, tmpbuf); + } + + sprintf(tmpbuf, ", Continuation flag=%d the programme will %s, Update flag=%d %sre-direction", + Continuation_flag, Continuation_flag?"be interrupted but continued later":"not be subject to a planned interruption", + Update_flag, Update_flag?"":"no "); + strcat(desc, tmpbuf); + i += 5; + + if (Update_flag != 0) { + // In the case of a re-direction, the New SId and New PNum shall be appended + if (i < (fig0.figlen - 1)) { + New_SId = ((uint16_t)f[i] << 8) | ((uint16_t)f[i+1]); + sprintf(tmpbuf, ", New SId=0x%X", New_SId); + strcat(desc, tmpbuf); + if (i < (fig0.figlen - 3)) { + New_PNum = ((uint16_t)f[i+2] << 8) | ((uint16_t)f[i+3]); + sprintf(tmpbuf, ", New PNum=0x%X ", New_PNum); + strcat(desc, tmpbuf); + // Append New_PNum decoded string + strcatPNum(desc, New_PNum); + } + else { + sprintf(tmpbuf, ", missing New PNum !"); + strcat(desc, tmpbuf); + } + } + else { + sprintf(tmpbuf, ", missing New SId and New PNum !"); + strcat(desc, tmpbuf); + } + i += 4; + } + + printbuf(desc, indent+1, NULL, 0); + } + + return complete; +} + |