From e0be9c733599fcbde5263da2299dd12054826160 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oona=20R=C3=A4is=C3=A4nen?= <oona@kapsi.fi>
Date: Sun, 15 May 2022 09:46:23 +0300
Subject: [PATCH] Decode LTCC, LTECC (#80)

These values are merely printed in the JSON and not used further

also, silence warnings about unused parameters
---
 src/groups.cc  |  2 ++
 src/tmc/tmc.cc | 15 +++++----------
 src/tmc/tmc.h  |  1 -
 3 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/src/groups.cc b/src/groups.cc
index 3b68823..123dcbc 100644
--- a/src/groups.cc
+++ b/src/groups.cc
@@ -681,11 +681,13 @@ void Station::decodeType6(const Group& group) {
 
 // Group 7A: Radio Paging
 void Station::decodeType7A(const Group& group) {
+  (void)group;
   json_["debug"].append("TODO: 7A");
 }
 
 // Group 9A: Emergency warning systems
 void Station::decodeType9A(const Group& group) {
+  (void)group;
   json_["debug"].append("TODO: 9A");
 }
 
diff --git a/src/tmc/tmc.cc b/src/tmc/tmc.cc
index ebb6c06..798caa2 100644
--- a/src/tmc/tmc.cc
+++ b/src/tmc/tmc.cc
@@ -494,7 +494,6 @@ void TMCService::receiveSystemGroup(uint16_t message, Json::Value* jsonroot) {
 
     bool     afi = getBits<1>(message, 5);
     uint16_t mgs = getBits<4>(message, 0);
-    is_enhanced_mode_ = getBits<1>(message, 4);
 
     (*jsonroot)["tmc"]["system_info"]["is_on_alt_freqs"] = afi;
 
@@ -508,15 +507,11 @@ void TMCService::receiveSystemGroup(uint16_t message, Json::Value* jsonroot) {
     static const int gap_values[4] = {3, 5, 8, 11};
     (*jsonroot)["tmc"]["system_info"]["gap"] = gap_values[g];
 
-    if (is_enhanced_mode_) {
-      uint16_t t_d = getBits<2>(message, 0);
-      uint16_t t_w = getBits<2>(message, 2);
-      uint16_t t_a = getBits<2>(message, 4);
-
-      (*jsonroot)["tmc"]["system_info"]["delay_time"] = t_d;
-      (*jsonroot)["tmc"]["system_info"]["activity_time"] = 1 << t_a;
-      (*jsonroot)["tmc"]["system_info"]["window_time"] = 1 << t_w;
-    }
+    int ltcc = getBits<4>(message, 0);
+    (*jsonroot)["tmc"]["system_info"]["ltcc"] = ltcc;
+  } else if (variant == 2) {
+    int ltecc = getBits<8>(message, 0);
+    (*jsonroot)["tmc"]["system_info"]["ltecc"] = ltecc;
   }
 }
 
diff --git a/src/tmc/tmc.h b/src/tmc/tmc.h
index cf8eaec..59185e9 100644
--- a/src/tmc/tmc.h
+++ b/src/tmc/tmc.h
@@ -200,7 +200,6 @@ class TMCService {
   bool is_initialized_   { false };
   bool is_encrypted_     { false };
   bool has_encid_        { false };
-  bool is_enhanced_mode_ { false };
   uint16_t ltn_          { 0 };
   uint16_t sid_          { 0 };
   uint16_t encid_        { 0 };