Clean up and remove unused variables

YSFGateway/APRSWriter.cpp

@@ -27,7 +27,6 @@
 
 CAPRSWriter::CAPRSWriter(const std::string& callsign, const std::string& rptSuffix, const std::string& password, const std::string& address, unsigned int port, const std::string& suffix) :
 m_thread(NULL),
-m_enabled(false),
 m_idTimer(1000U),
 m_callsign(callsign),
 m_txFrequency(0U),

YSFGateway/APRSWriter.h

@@ -59,7 +59,6 @@ public:
 
 private:
 	CAPRSWriterThread* m_thread;
-	bool               m_enabled;
 	CTimer             m_idTimer;
 	std::string        m_callsign;
 	unsigned int       m_txFrequency;

YSFGateway/GPS.cpp

@@ -27,7 +27,6 @@
 #include <cassert>
 #include <cstring>
 
-const unsigned char NULL_GPS[] = {0x47U, 0x63U};
 const unsigned char SHRT_GPS[] = {0x22U, 0x62U};
 const unsigned char LONG_GPS[] = {0x47U, 0x64U};
 

YSFGateway/YSFPayload.cpp

@@ -68,13 +68,6 @@ const unsigned int INTERLEAVE_TABLE_5_20[] = {
 	36U, 76U, 116U, 156U, 196U,
 	38U, 78U, 118U, 158U, 198U};
 
-// This one differs from the others in that it interleaves bits and not dibits
-const unsigned int INTERLEAVE_TABLE_26_4[] = {
-	0U, 4U,  8U, 12U, 16U, 20U, 24U, 28U, 32U, 36U, 40U, 44U, 48U, 52U, 56U, 60U, 64U, 68U, 72U, 76U, 80U, 84U, 88U, 92U, 96U, 100U,
-	1U, 5U,  9U, 13U, 17U, 21U, 25U, 29U, 33U, 37U, 41U, 45U, 49U, 53U, 57U, 61U, 65U, 69U, 73U, 77U, 81U, 85U, 89U, 93U, 97U, 101U,
-	2U, 6U, 10U, 14U, 18U, 22U, 26U, 30U, 34U, 38U, 42U, 46U, 50U, 54U, 58U, 62U, 66U, 70U, 74U, 78U, 82U, 86U, 90U, 94U, 98U, 102U,
-	3U, 7U, 11U, 15U, 19U, 23U, 27U, 31U, 35U, 39U, 43U, 47U, 51U, 55U, 59U, 63U, 67U, 71U, 75U, 79U, 83U, 87U, 91U, 95U, 99U, 103U};
-
 const unsigned char WHITENING_DATA[] = {0x93U, 0xD7U, 0x51U, 0x21U, 0x9CU, 0x2FU, 0x6CU, 0xD0U, 0xEFU, 0x0FU,
 										0xF8U, 0x3DU, 0xF1U, 0x73U, 0x20U, 0x94U, 0xEDU, 0x1EU, 0x7CU, 0xD8U};