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Diffstat (limited to 'utils.cpp')
| -rw-r--r-- | utils.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/utils.cpp b/utils.cpp new file mode 100644 index 0000000..71df396 --- /dev/null +++ b/utils.cpp @@ -0,0 +1,154 @@ +/* + 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/>. + + etisnoop.cpp + Parse ETI NI G.703 file + + Authors: + Sergio Sagliocco <sergio.sagliocco@csp.it> + Matthias P. Braendli <matthias@mpb.li> + / | |- ')|) |-|_ _ (|,_ .| _ ,_ \ + Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/ + +*/ + +#include "utils.hpp" +#include <cstring> + +using namespace std; + +static int verbosity = 0; + +void set_verbosity(int v) +{ + verbosity = v; +} + +int get_verbosity() +{ + return verbosity; +} + +void printbuf(string header, + int indent_level, + uint8_t* buffer, + size_t size, + string desc) +{ + if (verbosity > 0) { + for (int i = 0; i < indent_level; i++) { + printf("\t"); + } + + printf("%s", header.c_str()); + + if (verbosity > 1) { + if (size != 0) { + printf(": "); + } + + for (size_t i = 0; i < size; i++) { + printf("%02x ", buffer[i]); + } + } + + if (desc != "") { + printf(" [%s] ", desc.c_str()); + } + + printf("\n"); + } +} + +void printinfo(string header, + int indent_level, + int min_verb) +{ + if (verbosity >= min_verb) { + for (int i = 0; i < indent_level; i++) { + printf("\t"); + } + printf("%s\n", header.c_str()); + } +} + +int sprintfMJD(char *dst, int mjd) { + // EN 62106 Annex G + // These formulas are applicable between the inclusive dates: 1st March 1900 to 28th February 2100 + int y, m, k; + struct tm timeDate; + + memset(&timeDate, 0, sizeof(struct tm)); + + // find Y, M, D from MJD + y = (int)(((double)mjd - 15078.2) / 365.25); + m = (int)(((double)mjd - 14956.1 - (int)((double)y * 365.25)) / 30.6001); + timeDate.tm_mday = mjd - 14956 - (int)((double)y * 365.25) - (int)((double)m * 30.6001); + if ((m == 14) || (m == 15)) { + k = 1; + } + else { + k = 0; + } + timeDate.tm_year = y + k; + timeDate.tm_mon = (m - 1 - (k * 12)) - 1; + + // find WD from MJD + timeDate.tm_wday = (((mjd + 2) % 7) + 1) % 7; + + //timeDate.tm_yday = 0; // Number of days since the first day of January not calculated + timeDate.tm_isdst = -1; // No time print then information not available + + // print date string + if ((timeDate.tm_mday < 0) || (timeDate.tm_mon < 0) || (timeDate.tm_year < 0)) { + return sprintf(dst, "invalid MJD mday=%d mon=%d year=%d", timeDate.tm_mday, timeDate.tm_mon, timeDate.tm_year); + } + return strftime(dst, 256, "%a %b %d %Y", &timeDate); +} + +char *strcatPNum(char *dest_str, uint16_t Programme_Number) { + uint8_t day, hour, minute; + char tempbuf[256]; + + minute = (uint8_t)(Programme_Number & 0x003F); + hour = (uint8_t)((Programme_Number >> 6) & 0x001F); + day = (uint8_t)((Programme_Number >> 11) & 0x001F); + if (day != 0) { + sprintf(tempbuf, "day of month=%d time=%02d:%02d", day, hour, minute); + } + else { // day == 0 + // Special codes are allowed when the date part of the PNum field + // signals date = "0". In this case, the hours and minutes part of + // the field shall contain a special code, as follows + if ((hour == 0) && (minute == 0)) { + sprintf(tempbuf, "Status code: no meaningful PNum is currently provided"); + } + else if ((hour == 0) && (minute == 1)) { + sprintf(tempbuf, "Blank code: the current programme is not worth recording"); + } + else if ((hour == 0) && (minute == 2)) { + sprintf(tempbuf, "Interrupt code: the interrupt is unplanned (for example a traffic announcement)"); + } + else { + sprintf(tempbuf, "invalid value"); + } + } + return strcat(dest_str, tempbuf); +} + + |