Add initial dummy driver code

1 files changed, 207 insertions, 0 deletions

diff --git a/SoapyDummy.hpp b/SoapyDummy.hpp
new file mode 100644
index 0000000..e1ca79a
--- /dev/null
+++ b/SoapyDummy.hpp
@@ -0,0 +1,207 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Matthias P. Braendli
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#pragma once
+#include <string.h>
+#include <mutex>
+#include <condition_variable>
+#include <SoapySDR/Device.hpp>
+#include <SoapySDR/Logger.hpp>
+
+class SoapyDummySession
+{
+    public:
+        SoapyDummySession(void);
+        ~SoapyDummySession(void);
+};
+
+class SoapyDummy : public SoapySDR::Device
+{
+    public:
+        SoapyDummy( const SoapySDR::Kwargs & args );
+        SoapyDummy(const SoapyDummy& other) = delete;
+        SoapyDummy& operator=(const SoapyDummy& other) = delete;
+        ~SoapyDummy( void );
+
+        /*******************************************************************
+         * Identification API
+         ******************************************************************/
+        std::string getDriverKey( void ) const;
+        std::string getHardwareKey( void ) const;
+        SoapySDR::Kwargs getHardwareInfo( void ) const;
+
+        /*******************************************************************
+         * Channels API
+         ******************************************************************/
+        size_t getNumChannels( const int ) const;
+        bool getFullDuplex( const int direction, const size_t channel ) const;
+
+        /*******************************************************************
+         * Stream API
+         ******************************************************************/
+        std::vector<std::string> getStreamFormats(const int direction, const size_t channel) const;
+        std::string getNativeStreamFormat(const int direction, const size_t channel, double &fullScale) const;
+        SoapySDR::ArgInfoList getStreamArgsInfo(const int direction, const size_t channel) const;
+        SoapySDR::Stream *setupStream(
+                const int direction,
+                const std::string &format,
+                const std::vector<size_t> &channels = std::vector<size_t>(),
+                const SoapySDR::Kwargs &args = SoapySDR::Kwargs() );
+
+        void closeStream( SoapySDR::Stream *stream );
+        size_t getStreamMTU( SoapySDR::Stream *stream ) const;
+        int activateStream(
+                SoapySDR::Stream *stream,
+                const int flags = 0,
+                const long long timeNs = 0,
+                const size_t numElems = 0 );
+
+        int deactivateStream(
+                SoapySDR::Stream *stream,
+                const int flags = 0,
+                const long long timeNs = 0 );
+
+        int readStream(
+                SoapySDR::Stream *stream,
+                void * const *buffs,
+                const size_t numElems,
+                int &flags,
+                long long &timeNs,
+                const long timeoutUs = 100000 );
+
+        int writeStream(
+                SoapySDR::Stream *stream,
+                const void * const *buffs,
+                const size_t numElems,
+                int &flags,
+                const long long timeNs = 0,
+                const long timeoutUs = 100000);
+
+        int readStreamStatus(
+                SoapySDR::Stream *stream,
+                size_t &chanMask,
+                int &flags,
+                long long &timeNs,
+                const long timeoutUs
+                );
+
+        int acquireReadBuffer(
+                SoapySDR::Stream *stream,
+                size_t &handle,
+                const void **buffs,
+                int &flags,
+                long long &timeNs,
+                const long timeoutUs = 100000);
+
+        void releaseReadBuffer(
+                SoapySDR::Stream *stream,
+                const size_t handle);
+
+        int acquireWriteBuffer(
+                SoapySDR::Stream *stream,
+                size_t &handle,
+                void **buffs,
+                const long timeoutUs = 100000);
+
+        void releaseWriteBuffer(
+                SoapySDR::Stream *stream,
+                const size_t handle,
+                const size_t numElems,
+                int &flags,
+                const long long timeNs = 0);
+
+        size_t getNumDirectAccessBuffers(SoapySDR::Stream *stream);
+        int getDirectAccessBufferAddrs(SoapySDR::Stream *stream, const size_t handle, void **buffs);
+
+        /*******************************************************************
+         * Settings API
+         ******************************************************************/
+        SoapySDR::ArgInfoList getSettingInfo(void) const;
+        void writeSetting(const std::string &key, const std::string &value);
+        std::string readSetting(const std::string &key) const;
+
+        /*******************************************************************
+         * Antenna API
+         ******************************************************************/
+        std::vector<std::string> listAntennas( const int direction, const size_t channel ) const;
+        void setAntenna( const int direction, const size_t channel, const std::string &name );
+        std::string getAntenna( const int direction, const size_t channel ) const;
+
+        /*******************************************************************
+         * Frontend corrections API
+         ******************************************************************/
+        bool hasDCOffsetMode( const int direction, const size_t channel ) const;
+
+        /*******************************************************************
+         * Gain API
+         ******************************************************************/
+        std::vector<std::string> listGains( const int direction, const size_t channel ) const;
+        void setGainMode( const int direction, const size_t channel, const bool automatic );
+        bool getGainMode( const int direction, const size_t channel ) const;
+        void setGain( const int direction, const size_t channel, const double value );
+        void setGain( const int direction, const size_t channel, const std::string &name, const double value );
+        double getGain( const int direction, const size_t channel, const std::string &name ) const;
+        SoapySDR::Range getGainRange( const int direction, const size_t channel, const std::string &name ) const;
+
+        /*******************************************************************
+         * Frequency API
+         ******************************************************************/
+        void setFrequency( const int direction, const size_t channel, const std::string &name, const double frequency, const SoapySDR::Kwargs &args = SoapySDR::Kwargs() );
+        double getFrequency( const int direction, const size_t channel, const std::string &name ) const;
+        SoapySDR::ArgInfoList getFrequencyArgsInfo(const int direction, const size_t channel) const;
+        std::vector<std::string> listFrequencies( const int direction, const size_t channel ) const;
+        SoapySDR::RangeList getFrequencyRange( const int direction, const size_t channel, const std::string &name ) const;
+
+        /*******************************************************************
+         * Sample Rate API
+         ******************************************************************/
+        void setSampleRate( const int direction, const size_t channel, const double rate );
+        double getSampleRate( const int direction, const size_t channel ) const;
+        std::vector<double> listSampleRates( const int direction, const size_t channel ) const;
+        void setBandwidth( const int direction, const size_t channel, const double bw );
+        double getBandwidth( const int direction, const size_t channel ) const;
+        std::vector<double> listBandwidths( const int direction, const size_t channel ) const;
+
+        /*******************************************************************
+         * Dummy callback
+         ******************************************************************/
+        int dummy_tx_callback( int8_t *buffer, int32_t length );
+        int dummy_rx_callback( int8_t *buffer, int32_t length );
+
+    private:
+        struct DummyStream {
+            size_t mtu = 1024;
+            size_t buf_num = 1;
+            std::complex<float> buf[1024];
+        };
+
+        DummyStream m_rxstream;
+        DummyStream m_txstream;
+        SoapySDR::Stream* const TX_STREAM = (SoapySDR::Stream*) 0x1;
+        SoapySDR::Stream* const RX_STREAM = (SoapySDR::Stream*) 0x2;
+
+        SoapyDummySession m_session;
+        double m_samplerate = 0;
+        double m_frequency = 0;
+};