aboutsummaryrefslogtreecommitdiffstats
path: root/Transceiver52M/radioDevice.h
blob: b796ffdcacb1bf7fb4d3a29b72d213608b91ba34 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This software is distributed under multiple licenses; see the COPYING file in the main directory for licensing information for this specific distribuion.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.

    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.

*/

#ifndef __RADIO_DEVICE_H__
#define __RADIO_DEVICE_H__

#include <string>

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#define GSMRATE       1625e3/6

/** a 64-bit virtual timestamp for radio data */
typedef unsigned long long TIMESTAMP;

/** A class to handle a USRP rev 4, with a two RFX900 daughterboards */
class RadioDevice {

  public:
  /* Available transport bus types */
  enum TxWindowType { TX_WINDOW_USRP1, TX_WINDOW_FIXED };

  /* Radio interface types */
  enum RadioInterfaceType { NORMAL, RESAMP };

  static RadioDevice *make(int sps, bool skipRx = false);

  /** Initialize the USRP */
  virtual int open(const std::string &args)=0;

  /** Start the USRP */
  virtual bool start()=0;

  /** Stop the USRP */
  virtual bool stop()=0;

  /** Get the Tx window type */
  virtual enum TxWindowType getWindowType()=0;

  /** Enable thread priority */
  virtual void setPriority()=0;

  /**
	Read samples from the radio.
	@param buf preallocated buf to contain read result
	@param len number of samples desired
	@param overrun Set if read buffer has been overrun, e.g. data not being read fast enough
	@param timestamp The timestamp of the first samples to be read
	@param underrun Set if radio does not have data to transmit, e.g. data not being sent fast enough
	@param RSSI The received signal strength of the read result
	@return The number of samples actually read
  */
  virtual int readSamples(short *buf, int len, bool *overrun, 
		   TIMESTAMP timestamp = 0xffffffff,
		   bool *underrun = 0,
		   unsigned *RSSI = 0)=0;
  /**
        Write samples to the radio.
        @param buf Contains the data to be written.
        @param len number of samples to write.
        @param underrun Set if radio does not have data to transmit, e.g. data not being sent fast enough
        @param timestamp The timestamp of the first sample of the data buffer.
        @param isControl Set if data is a control packet, e.g. a ping command
        @return The number of samples actually written
  */
  virtual int writeSamples(short *buf, int len, bool *underrun, 
		    TIMESTAMP timestamp,
		    bool isControl=false)=0;
 
  /** Update the alignment between the read and write timestamps */
  virtual bool updateAlignment(TIMESTAMP timestamp)=0;
  
  /** Set the transmitter frequency */
  virtual bool setTxFreq(double wFreq)=0;

  /** Set the receiver frequency */
  virtual bool setRxFreq(double wFreq)=0;

  /** Returns the starting write Timestamp*/
  virtual TIMESTAMP initialWriteTimestamp(void)=0;

  /** Returns the starting read Timestamp*/
  virtual TIMESTAMP initialReadTimestamp(void)=0;

  /** returns the full-scale transmit amplitude **/
  virtual double fullScaleInputValue()=0;

  /** returns the full-scale receive amplitude **/
  virtual double fullScaleOutputValue()=0;

  /** sets the receive chan gain, returns the gain setting **/
  virtual double setRxGain(double dB)=0;

  /** gets the current receive gain **/
  virtual double getRxGain(void)=0;

  /** return maximum Rx Gain **/
  virtual double maxRxGain(void) = 0;

  /** return minimum Rx Gain **/
  virtual double minRxGain(void) = 0;

  /** sets the transmit chan gain, returns the gain setting **/
  virtual double setTxGain(double dB)=0;

  /** return maximum Tx Gain **/
  virtual double maxTxGain(void) = 0;

  /** return minimum Tx Gain **/
  virtual double minTxGain(void) = 0;

  /** set and return antennas selection **/
  virtual void setTxAntenna(std::string &name) = 0;
  virtual void setRxAntenna(std::string &name) = 0;
  virtual std::string getRxAntenna() = 0;
  virtual std::string getTxAntenna() = 0;

  /** Return internal status values */
  virtual double getTxFreq()=0;
  virtual double getRxFreq()=0;
  virtual double getSampleRate()=0;
  virtual double numberRead()=0;
  virtual double numberWritten()=0;

};

#endif