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Diffstat (limited to 'src/fig0_9.cpp')
| -rw-r--r-- | src/fig0_9.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/fig0_9.cpp b/src/fig0_9.cpp new file mode 100644 index 0000000..5c8271c --- /dev/null +++ b/src/fig0_9.cpp @@ -0,0 +1,133 @@ +/* + 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 0/9 global variables +uint8_t Ensemble_ECC=0; +int8_t Ensemble_LTO=0; +bool LTO_uniq; + + +// FIG 0/9 Country, LTO and International table +// ETSI EN 300 401 8.1.3.2 +bool fig0_9(fig0_common_t& fig0, int indent) +{ + uint32_t SId; + uint8_t i = 1, j, key, Number_of_services, ECC; + int8_t LTO; + char tmpbuf[256]; + char desc[256]; + bool Ext_flag; + uint8_t* f = fig0.f; + + if (i < (fig0.figlen - 2)) { + // get Ensemble LTO, ECC and International Table Id + key = ((uint8_t)fig0.oe() << 1) | (uint8_t)fig0.pd(); + Ext_flag = f[i] >> 7; + LTO_uniq = (f[i]>> 6) & 0x01; + Ensemble_LTO = f[i] & 0x3F; + if (Ensemble_LTO & 0x20) { + // negative Ensemble LTO + Ensemble_LTO |= 0xC0; + } + sprintf(desc, "Ext flag=%d extended field %s, LTO uniq=%d %s, Ensemble LTO=0x%X %s%d:%02d", + Ext_flag, Ext_flag?"present":"absent", LTO_uniq, + LTO_uniq?"several time zones":"one time zone (time specified by Ensemble LTO)", + (Ensemble_LTO & 0x3F), (Ensemble_LTO >= 0)?"":"-" , abs(Ensemble_LTO) >> 1, (Ensemble_LTO & 0x01) * 30); + if (abs(Ensemble_LTO) > 24) { + sprintf(tmpbuf, " out of range -12 hours to +12 hours"); + strcat(desc, tmpbuf); + } + Ensemble_ECC = f[i+1]; + uint8_t International_Table_Id = f[i+2]; + set_international_table(International_Table_Id); + sprintf(tmpbuf, ", Ensemble ECC=0x%X, International Table Id=0x%X, database key=0x%x", + Ensemble_ECC, International_Table_Id, key); + strcat(desc, tmpbuf); + printbuf(desc, indent+1, NULL, 0); + i += 3; + if (Ext_flag == 1) { + // extended field present + while (i < fig0.figlen) { + // iterate over extended sub-field + Number_of_services = f[i] >> 6; + LTO = f[i] & 0x3F; + if (LTO & 0x20) { + // negative LTO + LTO |= 0xC0; + } + sprintf(desc, "Number of services=%d, LTO=0x%X %s%d:%02d", + Number_of_services, (LTO & 0x3F), (LTO >= 0)?"":"-" , abs(LTO) >> 1, (LTO & 0x01) * 30); + if (abs(LTO) > 24) { + sprintf(tmpbuf, " out of range -12 hours to +12 hours"); + strcat(desc, tmpbuf); + } + // CEI Change Event Indication + if ((Number_of_services == 0) && (LTO == 0) /* && (Ext_flag == 1) */) { + sprintf(tmpbuf, ", CEI"); + strcat(desc, tmpbuf); + } + i++; + if (fig0.pd() == 0) { + // Programme services, 16 bit SId + if (i < fig0.figlen) { + ECC = f[i]; + sprintf(tmpbuf, ", ECC=0x%X", ECC); + strcat(desc, tmpbuf); + printbuf(desc, indent+2, NULL, 0); + i++; + for(j = i; ((j < (i + (Number_of_services * 2))) && (j < fig0.figlen)); j += 2) { + // iterate over SId + SId = ((uint32_t)f[j] << 8) | (uint32_t)f[j+1]; + sprintf(desc, "SId 0x%X", SId); + printbuf(desc, indent+3, NULL, 0); + } + i += (Number_of_services * 2); + } + } + else { + // Data services, 32 bit SId + printbuf(desc, indent+2, NULL, 0); + for(j = i; ((j < (i + (Number_of_services * 4))) && (j < fig0.figlen)); j += 4) { + // iterate over SId + SId = ((uint32_t)f[j] << 24) | ((uint32_t)f[j+1] << 16) | + ((uint32_t)f[j+2] << 8) | (uint32_t)f[j+3]; + sprintf(desc, "SId 0x%X", SId); + printbuf(desc, indent+3, NULL, 0); + } + i += (Number_of_services * 4); + } + } + } + } + + return true; +} + |