137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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* This software is distributed under multiple licenses; see the COPYING file in the main directory for licensing information for this specific distribuion.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef __RADIO_DEVICE_H__
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#define __RADIO_DEVICE_H__
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#include <string>
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#include <vector>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define GSMRATE 1625e3/6
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/** a 64-bit virtual timestamp for radio data */
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typedef unsigned long long TIMESTAMP;
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/** A class to handle a USRP rev 4, with a two RFX900 daughterboards */
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class RadioDevice {
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public:
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/* Available transport bus types */
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enum TxWindowType { TX_WINDOW_USRP1, TX_WINDOW_FIXED };
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/* Radio interface types */
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enum RadioInterfaceType { NORMAL, RESAMP_64M, RESAMP_100M, DIVERSITY };
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static RadioDevice *make(size_t tx_sps, size_t rx_sps = 1, size_t chans = 1,
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bool diversity = false, double offset = 0.0);
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/** Initialize the USRP */
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virtual int open(const std::string &args = "", bool extref = false, bool swap_channels = false)=0;
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virtual ~RadioDevice() { }
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/** Start the USRP */
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virtual bool start()=0;
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/** Stop the USRP */
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virtual bool stop()=0;
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/** Get the Tx window type */
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virtual enum TxWindowType getWindowType()=0;
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/** Enable thread priority */
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virtual void setPriority(float prio = 0.5) = 0;
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/**
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Read samples from the radio.
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@param buf preallocated buf to contain read result
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@param len number of samples desired
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@param overrun Set if read buffer has been overrun, e.g. data not being read fast enough
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@param timestamp The timestamp of the first samples to be read
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@param underrun Set if radio does not have data to transmit, e.g. data not being sent fast enough
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@param RSSI The received signal strength of the read result
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@return The number of samples actually read
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*/
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virtual int readSamples(std::vector<short *> &bufs, int len, bool *overrun,
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TIMESTAMP timestamp = 0xffffffff, bool *underrun = 0,
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unsigned *RSSI = 0) = 0;
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/**
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Write samples to the radio.
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@param buf Contains the data to be written.
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@param len number of samples to write.
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@param underrun Set if radio does not have data to transmit, e.g. data not being sent fast enough
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@param timestamp The timestamp of the first sample of the data buffer.
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@param isControl Set if data is a control packet, e.g. a ping command
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@return The number of samples actually written
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*/
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virtual int writeSamples(std::vector<short *> &bufs, int len, bool *underrun,
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TIMESTAMP timestamp, bool isControl = false) = 0;
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/** Update the alignment between the read and write timestamps */
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virtual bool updateAlignment(TIMESTAMP timestamp)=0;
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/** Set the transmitter frequency */
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virtual bool setTxFreq(double wFreq, size_t chan = 0) = 0;
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/** Set the receiver frequency */
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virtual bool setRxFreq(double wFreq, size_t chan = 0) = 0;
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/** Returns the starting write Timestamp*/
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virtual TIMESTAMP initialWriteTimestamp(void)=0;
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/** Returns the starting read Timestamp*/
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virtual TIMESTAMP initialReadTimestamp(void)=0;
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/** returns the full-scale transmit amplitude **/
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virtual double fullScaleInputValue()=0;
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/** returns the full-scale receive amplitude **/
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virtual double fullScaleOutputValue()=0;
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/** sets the receive chan gain, returns the gain setting **/
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virtual double setRxGain(double dB, size_t chan = 0) = 0;
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/** gets the current receive gain **/
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virtual double getRxGain(size_t chan = 0) = 0;
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/** return maximum Rx Gain **/
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virtual double maxRxGain(void) = 0;
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/** return minimum Rx Gain **/
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virtual double minRxGain(void) = 0;
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/** sets the transmit chan gain, returns the gain setting **/
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virtual double setTxGain(double dB, size_t chan = 0) = 0;
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/** return maximum Tx Gain **/
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virtual double maxTxGain(void) = 0;
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/** return minimum Tx Gain **/
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virtual double minTxGain(void) = 0;
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/** Return internal status values */
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virtual double getTxFreq(size_t chan = 0) = 0;
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virtual double getRxFreq(size_t chan = 0) = 0;
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virtual double getSampleRate()=0;
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virtual double numberRead()=0;
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virtual double numberWritten()=0;
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};
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#endif
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