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Diffstat (limited to 'fig0_8.cpp')
| -rw-r--r-- | fig0_8.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/fig0_8.cpp b/fig0_8.cpp new file mode 100644 index 0000000..7143768 --- /dev/null +++ b/fig0_8.cpp @@ -0,0 +1,117 @@ +/* + 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 0/8 Service component global definition +// ETSI EN 300 401 6.3.5 +void fig0_8(fig0_common_t& fig0, int indent) +{ + uint32_t SId; + uint16_t SCId; + uint8_t i = 1, Rfa, SCIdS, SubChId, FIDCId; + char tmpbuf[256]; + char desc[256]; + bool Ext_flag, LS_flag, MSC_FIC_flag; + uint8_t* f = fig0.f; + + while (i < (fig0.figlen - (2 + (2 * fig0.pd())))) { + // iterate over service component global definition + if (fig0.pd() == 0) { + // Programme services, 16 bit SId + SId = (f[i] << 8) | f[i+1]; + i += 2; + } + else { + // Data services, 32 bit SId + SId = ((uint32_t)f[i] << 24) | ((uint32_t)f[i+1] << 16) | + ((uint32_t)f[i+2] << 8) | (uint32_t)f[i+3]; + i += 4; + } + Ext_flag = f[i] >> 7; + Rfa = (f[i] >> 4) & 0x7; + SCIdS = f[i] & 0x0F; + sprintf(desc, "SId=0x%X, fig0.ext() flag=%d 8-bit Rfa %s", SId, Ext_flag, (Ext_flag)?"present":"absent"); + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa); + strcat(desc, tmpbuf); + } + sprintf(tmpbuf, ", SCIdS=0x%X", SCIdS); + strcat(desc, tmpbuf); + i++; + if (i < fig0.figlen) { + LS_flag = f[i] >> 7; + sprintf(tmpbuf, ", L/S flag=%d %s", LS_flag, (LS_flag)?"Long form":"Short form"); + strcat(desc, tmpbuf); + if (LS_flag == 0) { + // Short form + if (i < (fig0.figlen - Ext_flag)) { + MSC_FIC_flag = (f[i] >> 6) & 0x01; + if (MSC_FIC_flag == 0) { + // MSC in stream mode and SubChId identifies the sub-channel + SubChId = f[i] & 0x3F; + sprintf(tmpbuf, ", MSC/FIC flag=%d MSC, SubChId=0x%X", MSC_FIC_flag, SubChId); + strcat(desc, tmpbuf); + } + else { + // FIC and FIDCId identifies the component + FIDCId = f[i] & 0x3F; + sprintf(tmpbuf, ", MSC/FIC flag=%d FIC, FIDCId=0x%X", MSC_FIC_flag, FIDCId); + strcat(desc, tmpbuf); + } + if (Ext_flag == 1) { + // Rfa field present + Rfa = f[i+1]; + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=0x%X invalid value", Rfa); + strcat(desc, tmpbuf); + } + } + } + i += (1 + Ext_flag); + } + else { + // Long form + if (i < (fig0.figlen - 1)) { + Rfa = (f[i] >> 4) & 0x07; + SCId = (((uint16_t)f[i] & 0x0F) << 8) | (uint16_t)f[i+1]; + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa); + strcat(desc, tmpbuf); + } + sprintf(tmpbuf, ", SCId=0x%X", SCId); + strcat(desc, tmpbuf); + } + i += 2; + } + } + printbuf(desc, indent+1, NULL, 0); + } +} + |