From 4809f3c042a99a639542b1e6cd22657871113260 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 2 Sep 2016 17:43:32 +0200
Subject: Move all sources to src/

---
 src/fig0_26.cpp | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/fig0_26.cpp

(limited to 'src/fig0_26.cpp')

diff --git a/src/fig0_26.cpp b/src/fig0_26.cpp
new file mode 100644
index 0000000..c2e4316
--- /dev/null
+++ b/src/fig0_26.cpp
@@ -0,0 +1,109 @@
+/*
+    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 <unordered_set>
+
+static std::unordered_set<int> clusters_seen;
+
+bool fig0_26_is_complete(int cluster_id)
+{
+    bool complete = clusters_seen.count(cluster_id);
+
+    if (complete) {
+        clusters_seen.clear();
+    }
+    else {
+        clusters_seen.insert(cluster_id);
+    }
+
+    return complete;
+}
+
+
+// FIG 0/26 fig0.oe() Announcement switching
+// ETSI EN 300 401 8.1.10.5.2
+bool 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;
+    bool complete = false;
+
+    while (i < (fig0.figlen - 6)) {
+        // iterate over other ensembles announcement switching
+        Cluster_Id_Current_Ensemble = f[i];
+        complete = fig0_26_is_complete(Cluster_Id_Current_Ensemble);
+        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);
+            }
+        }
+    }
+
+    return complete;
+}
+
-- 
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