Start adding P25 frame (dis)assembly and repeater logic.

P25Control.h

@@ -0,0 +1,58 @@
+/*
+*   Copyright (C) 2016 by Jonathan Naylor G4KLX
+*
+*   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 2 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, write to the Free Software
+*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#if !defined(P25Control_H)
+#define	P25Control_H
+
+#include "RingBuffer.h"
+#include "Defines.h"
+#include "Display.h"
+#include "Modem.h"
+#include "Timer.h"
+
+class CP25Control {
+public:
+	CP25Control(unsigned int id, CDisplay* display, unsigned int timeout, bool duplex, int rssiMultiplier, int rssiOffset);
+	~CP25Control();
+
+	bool writeModem(unsigned char* data, unsigned int len);
+
+	unsigned int readModem(unsigned char* data);
+
+	void clock(unsigned int ms);
+
+private:
+	unsigned int  m_id;
+	CDisplay*     m_display;
+	bool          m_duplex;
+	int           m_rssiMultiplier;
+	int           m_rssiOffset;
+	CRingBuffer<unsigned char> m_queue;
+	RPT_RF_STATE  m_rfState;
+	RPT_NET_STATE m_netState;
+	CTimer        m_rfTimeout;
+	CTimer        m_netTimeout;
+	unsigned int  m_rfFrames;
+	unsigned int  m_rfBits;
+	unsigned int  m_rfErrs;
+
+	void writeQueueRF(const unsigned char* data, unsigned int length);
+	void addBusyBits(unsigned char* data, unsigned int length, bool b1, bool b2);
+};
+
+#endif