Initial commit

DMRTX.h

@@ -0,0 +1,72 @@
+/*
+ *   Copyright (C) 2015 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(DMRTX_H)
+#define  DMRTX_H
+
+#include "Config.h"
+#include "DMRDefines.h"
+
+#include "SerialRB.h"
+
+enum DMRTXSTATE {
+  DMRTXSTATE_IDLE,
+  DMRTXSTATE_SLOT1,
+  DMRTXSTATE_CACH1,
+  DMRTXSTATE_SLOT2,
+  DMRTXSTATE_CACH2
+};
+
+class CDMRTX {
+public:
+  CDMRTX();
+
+  uint8_t writeData1(const uint8_t* data, uint8_t length);
+  uint8_t writeData2(const uint8_t* data, uint8_t length);
+  uint8_t writeShortLC(const uint8_t* data, uint8_t length);
+
+  void setStart(bool start);
+
+  void process();
+
+  uint16_t getSpace1() const;
+  uint16_t getSpace2() const;
+
+  void setColorCode(uint8_t colorCode);
+
+private:
+  CSerialRB            m_fifo[2U];
+  arm_fir_instance_q15 m_modFilter;
+  q15_t                m_modState[70U];    // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
+  DMRTXSTATE           m_state;
+  uint8_t              m_idle[DMR_FRAME_LENGTH_BYTES];
+  uint8_t              m_cachPtr;
+  uint8_t              m_shortLC[12U];
+  uint8_t              m_newShortLC[12U];
+  uint8_t              m_markBuffer[40U];
+  uint8_t              m_poBuffer[40U];
+  uint16_t             m_poLen;
+  uint16_t             m_poPtr;
+
+  void createData(uint8_t slotIndex);
+  void createCACH(uint8_t txSlotIndex, uint8_t rxSlotIndex);
+  void writeByte(uint8_t c, uint8_t control);
+};
+
+#endif
+