From 4bc1c0cf3e8c5dcc72a4bf971f0b78bbbe35cc57 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Tue, 9 Oct 2018 11:09:12 +0200
Subject: Add some FIG2 parsing

---
 src/etianalyse.cpp | 19 ++++++++-----------
 src/figs.cpp       |  7 ++++++-
 src/figs.hpp       | 27 ++++++++++++++++++++++++++-
 3 files changed, 40 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/etianalyse.cpp b/src/etianalyse.cpp
index 1b4c5a2..df7eca0 100644
--- a/src/etianalyse.cpp
+++ b/src/etianalyse.cpp
@@ -801,15 +801,12 @@ void ETI_Analyser::decodeFIG(
             break;
         case 2:
             {// EXTENDED LABELS
-                uint16_t ext,oe;
-
-                uint8_t toggle_flag = (f[0] & 0x80) >> 7;
-                uint8_t segment_index = (f[0] & 0x70) >> 4;
-                oe = (f[0] & 0x08) >> 3;
-                ext = f[0] & 0x07;
-
+                const uint16_t ext = f[0] & 0x07;
                 const display_settings_t disp(config.is_fig_to_be_printed(figtype, ext), indent);
 
+                fig2_common_t fig2(ensemble, f, figlen);
+                auto fig_result = fig2_select(fig2, disp);
+
                 printvalue("FIG", disp, "", strprintf("2/%d", ext));
 
                 if (get_verbosity() > 0) {
@@ -818,12 +815,12 @@ void ETI_Analyser::decodeFIG(
 
                 if (disp.print) {
                     printvalue("Length", disp, "", to_string(figlen));
-                    printvalue("OE", disp, "", to_string(oe));
-                    printvalue("Toggle flag", disp, "", to_string(toggle_flag));
-                    printvalue("Segment index", disp, "", to_string(segment_index));
+                    printvalue("RFU", disp, "", to_string(fig2.rfu()));
+                    printvalue("Toggle flag", disp, "", to_string(fig2.toggle_flag()));
+                    printvalue("Segment index", disp, "", to_string(fig2.segment_index()));
                 }
 
-                figs.push_back(figtype, ext, figlen);
+                figs.push_back(figtype, fig2.ext(), figlen);
 
                 bool complete = true;
                 rate_announce_fig(figtype, ext, complete);
diff --git a/src/figs.cpp b/src/figs.cpp
index 4a6729a..6f8a119 100644
--- a/src/figs.cpp
+++ b/src/figs.cpp
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
-    Copyright (C) 2017 Matthias P. Braendli (http://www.opendigitalradio.org)
+    Copyright (C) 2018 Matthias P. Braendli (http://www.opendigitalradio.org)
     Copyright (C) 2015 Data Path
 
     This program is free software: you can redistribute it and/or modify
@@ -110,3 +110,8 @@ fig_result_t fig0_select(fig0_common_t& fig0, const display_settings_t &disp)
     return r;
 }
 
+
+fig_result_t fig2_select(fig2_common_t& fig2, const display_settings_t &disp)
+{
+    return {};
+}
diff --git a/src/figs.hpp b/src/figs.hpp
index 64cfa48..bd144d7 100644
--- a/src/figs.hpp
+++ b/src/figs.hpp
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
-    Copyright (C) 2017 Matthias P. Braendli (http://www.opendigitalradio.org)
+    Copyright (C) 2018 Matthias P. Braendli (http://www.opendigitalradio.org)
     Copyright (C) 2015 Data Path
 
     This program is free software: you can redistribute it and/or modify
@@ -102,6 +102,29 @@ struct fig1_common_t {
     uint8_t ext() { return f[0] & 0x07; }
 };
 
+struct fig2_common_t {
+    fig2_common_t(
+            ensemble_database::ensemble_t &ens,
+            uint8_t* fig_data,
+            uint16_t fig_len) :
+        fibcrccorrect(true),
+        ensemble(ens),
+        f(fig_data),
+        figlen(fig_len) { }
+
+    // The ensemble only gets updated when the fib crc is ok
+    bool fibcrccorrect;
+    ensemble_database::ensemble_t& ensemble;
+
+    uint8_t* f;
+    uint16_t figlen;
+
+    uint8_t toggle_flag() { return (f[0] & 0x80) >> 7; }
+    uint8_t segment_index() { return (f[0] & 0x70) >> 4; }
+    uint16_t rfu() { return (f[0] & 0x08) >> 3; }
+    uint16_t ext() { return f[0] & 0x07; }
+};
+
 // FIG 0/11 and 0/22 struct
 struct Lat_Lng {
     double latitude, longitude;
@@ -146,3 +169,5 @@ fig_result_t fig0_31(fig0_common_t& fig0, const display_settings_t &disp);
 
 fig_result_t fig1_select(fig1_common_t& fig1, const display_settings_t &disp);
 
+fig_result_t fig2_select(fig2_common_t& fig2, const display_settings_t &disp);
+
-- 
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