/usr/include/SoapySDR/Device.h is in libsoapysdr-dev 0.6.1-2.
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/// \file SoapySDR/Device.h
///
/// Interface definition for Soapy SDR devices.
/// This is the C version of the Device interface.
///
/// General design rules about the API:
/// The caller must free non-const array results.
///
/// \copyright
/// Copyright (c) 2014-2017 Josh Blum
/// Copyright (c) 2016-2016 Bastille Networks
/// SPDX-License-Identifier: BSL-1.0
///
#pragma once
#include <SoapySDR/Config.h>
#include <SoapySDR/Types.h>
#include <SoapySDR/Constants.h>
#include <SoapySDR/Errors.h>
#include <SoapySDR/Device.h>
#ifdef __cplusplus
extern "C" {
#endif
//! Forward declaration of device handle
typedef struct SoapySDRDevice SoapySDRDevice;
//! Forward declaration of stream handle
typedef struct SoapySDRStream SoapySDRStream;
/*!
* Get the last status code after a Device API call.
* The status code is cleared on entry to each Device call.
* When an device API call throws, the C bindings catch
* the exception, and set a non-zero last status code.
* Use lastStatus() to determine success/failure for
* Device calls without integer status return codes.
*/
SOAPY_SDR_API int SoapySDRDevice_lastStatus(void);
/*!
* Get the last error message after a device call fails.
* When an device API call throws, the C bindings catch
* the exception, store its message in thread-safe storage,
* and return a non-zero status code to indicate failure.
* Use lastError() to access the exception's error message.
*/
SOAPY_SDR_API const char *SoapySDRDevice_lastError(void);
/*!
* Enumerate a list of available devices on the system.
* \param args device construction key/value argument filters
* \param [out] length the number of elements in the result.
* \return a list of arguments strings, each unique to a device
*/
SOAPY_SDR_API SoapySDRKwargs *SoapySDRDevice_enumerate(const SoapySDRKwargs *args, size_t *length);
/*!
* Enumerate a list of available devices on the system.
* Markup format for args: "keyA=valA, keyB=valB".
* \param args a markup string of key/value argument filters
* \param [out] length the number of elements in the result.
* \return a list of arguments strings, each unique to a device
*/
SOAPY_SDR_API SoapySDRKwargs *SoapySDRDevice_enumerateStrArgs(const char *args, size_t *length);
/*!
* Make a new Device object given device construction args.
* The device pointer will be stored in a table so subsequent calls
* with the same arguments will produce the same device.
* For every call to make, there should be a matched call to unmake.
*
* \param args device construction key/value argument map
* \return a pointer to a new Device object
*/
SOAPY_SDR_API SoapySDRDevice *SoapySDRDevice_make(const SoapySDRKwargs *args);
/*!
* Make a new Device object given device construction args.
* The device pointer will be stored in a table so subsequent calls
* with the same arguments will produce the same device.
* For every call to make, there should be a matched call to unmake.
*
* \param args a markup string of key/value arguments
* \return a pointer to a new Device object or null for error
*/
SOAPY_SDR_API SoapySDRDevice *SoapySDRDevice_makeStrArgs(const char *args);
/*!
* Unmake or release a device object handle.
*
* \param device a pointer to a device object
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_unmake(SoapySDRDevice *device);
/*******************************************************************
* Identification API
******************************************************************/
/*!
* A key that uniquely identifies the device driver.
* This key identifies the underlying implementation.
* Serveral variants of a product may share a driver.
* \param device a pointer to a device instance
*/
SOAPY_SDR_API char *SoapySDRDevice_getDriverKey(const SoapySDRDevice *device);
/*!
* A key that uniquely identifies the hardware.
* This key should be meaningful to the user
* to optimize for the underlying hardware.
* \param device a pointer to a device instance
*/
SOAPY_SDR_API char *SoapySDRDevice_getHardwareKey(const SoapySDRDevice *device);
/*!
* Query a dictionary of available device information.
* This dictionary can any number of values like
* vendor name, product name, revisions, serials...
* This information can be displayed to the user
* to help identify the instantiated device.
* \param device a pointer to a device instance
*/
SOAPY_SDR_API SoapySDRKwargs SoapySDRDevice_getHardwareInfo(const SoapySDRDevice *device);
/*******************************************************************
* Channels API
******************************************************************/
/*!
* Set the frontend mapping of available DSP units to RF frontends.
* This mapping controls channel mapping and channel availability.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param mapping a vendor-specific mapping string
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setFrontendMapping(SoapySDRDevice *device, const int direction, const char *mapping);
/*!
* Get the mapping configuration string.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \return the vendor-specific mapping string
*/
SOAPY_SDR_API char *SoapySDRDevice_getFrontendMapping(const SoapySDRDevice *device, const int direction);
/*!
* Get a number of channels given the streaming direction
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \return the number of channels
*/
SOAPY_SDR_API size_t SoapySDRDevice_getNumChannels(const SoapySDRDevice *device, const int direction);
/*!
* Get channel info given the streaming direction
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel the channel number to get info for
* \return channel information
*/
SOAPY_SDR_API SoapySDRKwargs SoapySDRDevice_getChannelInfo(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Find out if the specified channel is full or half duplex.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true for full duplex, false for half duplex
*/
SOAPY_SDR_API bool SoapySDRDevice_getFullDuplex(const SoapySDRDevice *device, const int direction, const size_t channel);
/*******************************************************************
* Stream API
******************************************************************/
/*!
* Query a list of the available stream formats.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of format strings
* \return a list of allowed format strings.
* See SoapySDRDevice_setupStream() for the format syntax.
*/
SOAPY_SDR_API char **SoapySDRDevice_getStreamFormats(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Get the hardware's native stream format for this channel.
* This is the format used by the underlying transport layer,
* and the direct buffer access API calls (when available).
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] fullScale the maximum possible value
* \return the native stream buffer format string
*/
SOAPY_SDR_API char *SoapySDRDevice_getNativeStreamFormat(const SoapySDRDevice *device, const int direction, const size_t channel, double *fullScale);
/*!
* Query the argument info description for stream args.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of argument infos
* \return a list of argument info structures
*/
SOAPY_SDR_API SoapySDRArgInfo *SoapySDRDevice_getStreamArgsInfo(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Initialize a stream given a list of channels and stream arguments.
* The implementation may change switches or power-up components.
* All stream API calls should be usable with the new stream object
* after setupStream() is complete, regardless of the activity state.
*
* The API allows any number of simultaneous TX and RX streams, but many dual-channel
* devices are limited to one stream in each direction, using either one or both channels.
* This call will return an error if an unsupported combination is requested,
* or if a requested channel in this direction is already in use by another stream.
*
* When multiple channels are added to a stream, they are typically expected to have
* the same sample rate. See SoapySDRDevice_setSampleRate().
*
* \param device a pointer to a device instance
* \param [out] stream the opaque pointer to a stream handle.
* \parblock
*
* The returned stream is not required to have internal locking, and may not be used
* concurrently from multiple threads.
* \endparblock
*
* \param direction the channel direction (`SOAPY_SDR_RX` or `SOAPY_SDR_TX`)
* \param format A string representing the desired buffer format in read/writeStream()
* \parblock
*
* The first character selects the number type:
* - "C" means complex
* - "F" means floating point
* - "S" means signed integer
* - "U" means unsigned integer
*
* The type character is followed by the number of bits per number (complex is 2x this size per sample)
*
* Example format strings:
* - "CF32" - complex float32 (8 bytes per element)
* - "CS16" - complex int16 (4 bytes per element)
* - "CS12" - complex int12 (3 bytes per element)
* - "CS4" - complex int4 (1 byte per element)
* - "S32" - int32 (4 bytes per element)
* - "U8" - uint8 (1 byte per element)
*
* \endparblock
* \param channels a list of channels or empty for automatic
* \param numChans the number of elements in the channels array
* \param args stream args or empty for defaults
* \parblock
*
* Recommended keys to use in the args dictionary:
* - "WIRE" - format of the samples between device and host
* \endparblock
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_setupStream(SoapySDRDevice *device,
SoapySDRStream **stream,
const int direction,
const char *format,
const size_t *channels,
const size_t numChans,
const SoapySDRKwargs *args);
/*!
* Close an open stream created by setupStream
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_closeStream(SoapySDRDevice *device, SoapySDRStream *stream);
/*!
* Get the stream's maximum transmission unit (MTU) in number of elements.
* The MTU specifies the maximum payload transfer in a stream operation.
* This value can be used as a stream buffer allocation size that can
* best optimize throughput given the underlying stream implementation.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \return the MTU in number of stream elements (never zero)
*/
SOAPY_SDR_API size_t SoapySDRDevice_getStreamMTU(const SoapySDRDevice *device, SoapySDRStream *stream);
/*!
* Activate a stream.
* Call activate to prepare a stream before using read/write().
* The implementation control switches or stimulate data flow.
*
* The timeNs is only valid when the flags have SOAPY_SDR_HAS_TIME.
* The numElems count can be used to request a finite burst size.
* The SOAPY_SDR_END_BURST flag can signal end on the finite burst.
* Not all implementations will support the full range of options.
* In this case, the implementation returns SOAPY_SDR_NOT_SUPPORTED.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param flags optional flag indicators about the stream
* \param timeNs optional activation time in nanoseconds
* \param numElems optional element count for burst control
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_activateStream(SoapySDRDevice *device,
SoapySDRStream *stream,
const int flags,
const long long timeNs,
const size_t numElems);
/*!
* Deactivate a stream.
* Call deactivate when not using using read/write().
* The implementation control switches or halt data flow.
*
* The timeNs is only valid when the flags have SOAPY_SDR_HAS_TIME.
* Not all implementations will support the full range of options.
* In this case, the implementation returns SOAPY_SDR_NOT_SUPPORTED.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param flags optional flag indicators about the stream
* \param timeNs optional deactivation time in nanoseconds
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_deactivateStream(SoapySDRDevice *device,
SoapySDRStream *stream,
const int flags,
const long long timeNs);
/*!
* Read elements from a stream for reception.
* This is a multi-channel call, and buffs should be an array of void *,
* where each pointer will be filled with data from a different channel.
*
* **Client code compatibility:**
* The readStream() call should be well defined at all times,
* including prior to activation and after deactivation.
* When inactive, readStream() should implement the timeout
* specified by the caller and return SOAPY_SDR_TIMEOUT.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param buffs an array of void* buffers num chans in size
* \param numElems the number of elements in each buffer
* \param [out] flags optional flag indicators about the result
* \param [out] timeNs the buffer's timestamp in nanoseconds
* \param timeoutUs the timeout in microseconds
* \return the number of elements read per buffer or error code
*/
SOAPY_SDR_API int SoapySDRDevice_readStream(SoapySDRDevice *device,
SoapySDRStream *stream,
void * const *buffs,
const size_t numElems,
int *flags,
long long *timeNs,
const long timeoutUs);
/*!
* Write elements to a stream for transmission.
* This is a multi-channel call, and buffs should be an array of void *,
* where each pointer will be filled with data for a different channel.
*
* **Client code compatibility:**
* Client code relies on writeStream() for proper back-pressure.
* The writeStream() implementation must enforce the timeout
* such that the call blocks until space becomes available
* or timeout expiration.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param buffs an array of void* buffers num chans in size
* \param numElems the number of elements in each buffer
* \param [in,out] flags optional input flags and output flags
* \param timeNs the buffer's timestamp in nanoseconds
* \param timeoutUs the timeout in microseconds
* \return the number of elements written per buffer or error
*/
SOAPY_SDR_API int SoapySDRDevice_writeStream(SoapySDRDevice *device,
SoapySDRStream *stream,
const void * const *buffs,
const size_t numElems,
int *flags,
const long long timeNs,
const long timeoutUs);
/*!
* Readback status information about a stream.
* This call is typically used on a transmit stream
* to report time errors, underflows, and burst completion.
*
* **Client code compatibility:**
* Client code may continually poll readStreamStatus() in a loop.
* Implementations of readStreamStatus() should wait in the call
* for a status change event or until the timeout expiration.
* When stream status is not implemented on a particular stream,
* readStreamStatus() should return SOAPY_SDR_NOT_SUPPORTED.
* Client code may use this indication to disable a polling loop.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param chanMask to which channels this status applies
* \param flags optional input flags and output flags
* \param timeNs the buffer's timestamp in nanoseconds
* \param timeoutUs the timeout in microseconds
* \return 0 for success or error code like timeout
*/
SOAPY_SDR_API int SoapySDRDevice_readStreamStatus(SoapySDRDevice *device,
SoapySDRStream *stream,
size_t *chanMask,
int *flags,
long long *timeNs,
const long timeoutUs);
/*******************************************************************
* Direct buffer access API
******************************************************************/
/*!
* How many direct access buffers can the stream provide?
* This is the number of times the user can call acquire()
* on a stream without making subsequent calls to release().
* A return value of 0 means that direct access is not supported.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \return the number of direct access buffers or 0
*/
SOAPY_SDR_API size_t SoapySDRDevice_getNumDirectAccessBuffers(SoapySDRDevice *device, SoapySDRStream *stream);
/*!
* Get the buffer addresses for a scatter/gather table entry.
* When the underlying DMA implementation uses scatter/gather
* then this call provides the user addresses for that table.
*
* Example: The caller may query the DMA memory addresses once
* after stream creation to pre-allocate a re-usable ring-buffer.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param handle an index value between 0 and num direct buffers - 1
* \param buffs an array of void* buffers num chans in size
* \return 0 for success or error code when not supported
*/
SOAPY_SDR_API int SoapySDRDevice_getDirectAccessBufferAddrs(SoapySDRDevice *device, SoapySDRStream *stream, const size_t handle, void **buffs);
/*!
* Acquire direct buffers from a receive stream.
* This call is part of the direct buffer access API.
*
* The buffs array will be filled with a stream pointer for each channel.
* Each pointer can be read up to the number of return value elements.
*
* The handle will be set by the implementation so that the caller
* may later release access to the buffers with releaseReadBuffer().
* Handle represents an index into the internal scatter/gather table
* such that handle is between 0 and num direct buffers - 1.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param handle an index value used in the release() call
* \param buffs an array of void* buffers num chans in size
* \param flags optional flag indicators about the result
* \param timeNs the buffer's timestamp in nanoseconds
* \param timeoutUs the timeout in microseconds
* \return the number of elements read per buffer or error code
*/
SOAPY_SDR_API int SoapySDRDevice_acquireReadBuffer(SoapySDRDevice *device,
SoapySDRStream *stream,
size_t *handle,
const void **buffs,
int *flags,
long long *timeNs,
const long timeoutUs);
/*!
* Release an acquired buffer back to the receive stream.
* This call is part of the direct buffer access API.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param handle the opaque handle from the acquire() call
*/
SOAPY_SDR_API void SoapySDRDevice_releaseReadBuffer(SoapySDRDevice *device,
SoapySDRStream *stream,
const size_t handle);
/*!
* Acquire direct buffers from a transmit stream.
* This call is part of the direct buffer access API.
*
* The buffs array will be filled with a stream pointer for each channel.
* Each pointer can be written up to the number of return value elements.
*
* The handle will be set by the implementation so that the caller
* may later release access to the buffers with releaseWriteBuffer().
* Handle represents an index into the internal scatter/gather table
* such that handle is between 0 and num direct buffers - 1.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param handle an index value used in the release() call
* \param buffs an array of void* buffers num chans in size
* \param timeoutUs the timeout in microseconds
* \return the number of available elements per buffer or error
*/
SOAPY_SDR_API int SoapySDRDevice_acquireWriteBuffer(SoapySDRDevice *device,
SoapySDRStream *stream,
size_t *handle,
void **buffs,
const long timeoutUs);
/*!
* Release an acquired buffer back to the transmit stream.
* This call is part of the direct buffer access API.
*
* Stream meta-data is provided as part of the release call,
* and not the acquire call so that the caller may acquire
* buffers without committing to the contents of the meta-data,
* which can be determined by the user as the buffers are filled.
*
* \param device a pointer to a device instance
* \param stream the opaque pointer to a stream handle
* \param handle the opaque handle from the acquire() call
* \param numElems the number of elements written to each buffer
* \param flags optional input flags and output flags
* \param timeNs the buffer's timestamp in nanoseconds
*/
SOAPY_SDR_API void SoapySDRDevice_releaseWriteBuffer(SoapySDRDevice *device,
SoapySDRStream *stream,
const size_t handle,
const size_t numElems,
int *flags,
const long long timeNs);
/*******************************************************************
* Antenna API
******************************************************************/
/*!
* Get a list of available antennas to select on a given chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of antenna names
* \return a list of available antenna names
*/
SOAPY_SDR_API char **SoapySDRDevice_listAntennas(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Set the selected antenna on a chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of an available antenna
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setAntenna(SoapySDRDevice *device, const int direction, const size_t channel, const char *name);
/*!
* Get the selected antenna on a chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return the name of an available antenna
*/
SOAPY_SDR_API char *SoapySDRDevice_getAntenna(const SoapySDRDevice *device, const int direction, const size_t channel);
/*******************************************************************
* Frontend corrections API
******************************************************************/
/*!
* Does the device support automatic DC offset corrections?
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true if automatic corrections are supported
*/
SOAPY_SDR_API bool SoapySDRDevice_hasDCOffsetMode(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Set the automatic DC offset corrections mode.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param automatic true for automatic offset correction
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setDCOffsetMode(SoapySDRDevice *device, const int direction, const size_t channel, const bool automatic);
/*!
* Get the automatic DC offset corrections mode.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true for automatic offset correction
*/
SOAPY_SDR_API bool SoapySDRDevice_getDCOffsetMode(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Does the device support frontend DC offset correction?
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true if DC offset corrections are supported
*/
SOAPY_SDR_API bool SoapySDRDevice_hasDCOffset(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Set the frontend DC offset correction.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param offsetI the relative correction (1.0 max)
* \param offsetQ the relative correction (1.0 max)
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setDCOffset(SoapySDRDevice *device, const int direction, const size_t channel, const double offsetI, const double offsetQ);
/*!
* Get the frontend DC offset correction.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] offsetI the relative correction (1.0 max)
* \param [out] offsetQ the relative correction (1.0 max)
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_getDCOffset(const SoapySDRDevice *device, const int direction, const size_t channel, double *offsetI, double *offsetQ);
/*!
* Does the device support frontend IQ balance correction?
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true if IQ balance corrections are supported
*/
SOAPY_SDR_API bool SoapySDRDevice_hasIQBalance(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Set the frontend IQ balance correction.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param balanceI the relative correction (1.0 max)
* \param balanceQ the relative correction (1.0 max)
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setIQBalance(SoapySDRDevice *device, const int direction, const size_t channel, const double balanceI, const double balanceQ);
/*!
* Get the frontend IQ balance correction.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] balanceI the relative correction (1.0 max)
* \param [out] balanceQ the relative correction (1.0 max)
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_getIQBalance(const SoapySDRDevice *device, const int direction, const size_t channel, double *balanceI, double *balanceQ);
/*!
* Does the device support frontend frequency correction?
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true if frequency corrections are supported
*/
SOAPY_SDR_API bool SoapySDRDevice_hasFrequencyCorrection(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Fine tune the frontend frequency correction.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param value the correction in PPM
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setFrequencyCorrection(SoapySDRDevice *device, const int direction, const size_t channel, const double value);
/*!
* Get the frontend frequency correction value.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return the correction value in PPM
*/
SOAPY_SDR_API double SoapySDRDevice_getFrequencyCorrection(const SoapySDRDevice *device, const int direction, const size_t channel);
/*******************************************************************
* Gain API
******************************************************************/
/*!
* List available amplification elements.
* Elements should be in order RF to baseband.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel
* \param [out] length the number of gain names
* \return a list of gain string names
*/
SOAPY_SDR_API char **SoapySDRDevice_listGains(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Does the device support automatic gain control?
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true for automatic gain control
*/
SOAPY_SDR_API bool SoapySDRDevice_hasGainMode(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Set the automatic gain mode on the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param automatic true for automatic gain setting
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setGainMode(SoapySDRDevice *device, const int direction, const size_t channel, const bool automatic);
/*!
* Get the automatic gain mode on the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return true for automatic gain setting
*/
SOAPY_SDR_API bool SoapySDRDevice_getGainMode(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Set the overall amplification in a chain.
* The gain will be distributed automatically across available element.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param value the new amplification value in dB
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setGain(SoapySDRDevice *device, const int direction, const size_t channel, const double value);
/*!
* Set the value of a amplification element in a chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of an amplification element
* \param value the new amplification value in dB
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setGainElement(SoapySDRDevice *device, const int direction, const size_t channel, const char *name, const double value);
/*!
* Get the overall value of the gain elements in a chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return the value of the gain in dB
*/
SOAPY_SDR_API double SoapySDRDevice_getGain(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Get the value of an individual amplification element in a chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of an amplification element
* \return the value of the gain in dB
*/
SOAPY_SDR_API double SoapySDRDevice_getGainElement(const SoapySDRDevice *device, const int direction, const size_t channel, const char *name);
/*!
* Get the overall range of possible gain values.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return a list of gain ranges in dB
*/
SOAPY_SDR_API SoapySDRRange SoapySDRDevice_getGainRange(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Get the range of possible gain values for a specific element.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of an amplification element
* \return a list of gain ranges in dB
*/
SOAPY_SDR_API SoapySDRRange SoapySDRDevice_getGainElementRange(const SoapySDRDevice *device, const int direction, const size_t channel, const char *name);
/*******************************************************************
* Frequency API
******************************************************************/
/*!
* Set the center frequency of the chain.
* - For RX, this specifies the down-conversion frequency.
* - For TX, this specifies the up-conversion frequency.
*
* The default implementation of setFrequency() will tune the "RF"
* component as close as possible to the requested center frequency.
* Tuning inaccuracies will be compensated for with the "BB" component.
*
* The args can be used to augment the tuning algorithm.
* - Use "OFFSET" to specify an "RF" tuning offset,
* usually with the intention of moving the LO out of the passband.
* The offset will be compensated for using the "BB" component.
* - Use the name of a component for the key and a frequency in Hz
* as the value (any format) to enforce a specific frequency.
* The other components will be tuned with compensation
* to achieve the specified overall frequency.
* - Use the name of a component for the key and the value "IGNORE"
* so that the tuning algorithm will avoid altering the component.
* - Vendor specific implementations can also use the same args to augment
* tuning in other ways such as specifying fractional vs integer N tuning.
*
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param frequency the center frequency in Hz
* \param args optional tuner arguments
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setFrequency(SoapySDRDevice *device, const int direction, const size_t channel, const double frequency, const SoapySDRKwargs *args);
/*!
* Tune the center frequency of the specified element.
* - For RX, this specifies the down-conversion frequency.
* - For TX, this specifies the up-conversion frequency.
*
* Recommended names used to represent tunable components:
* - "CORR" - freq error correction in PPM
* - "RF" - frequency of the RF frontend
* - "BB" - frequency of the baseband DSP
*
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of a tunable element
* \param frequency the center frequency in Hz
* \param args optional tuner arguments
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setFrequencyComponent(SoapySDRDevice *device, const int direction, const size_t channel, const char *name, const double frequency, const SoapySDRKwargs *args);
/*!
* Get the overall center frequency of the chain.
* - For RX, this specifies the down-conversion frequency.
* - For TX, this specifies the up-conversion frequency.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return the center frequency in Hz
*/
SOAPY_SDR_API double SoapySDRDevice_getFrequency(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Get the frequency of a tunable element in the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of a tunable element
* \return the tunable element's frequency in Hz
*/
SOAPY_SDR_API double SoapySDRDevice_getFrequencyComponent(const SoapySDRDevice *device, const int direction, const size_t channel, const char *name);
/*!
* List available tunable elements in the chain.
* Elements should be in order RF to baseband.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel
* \param [out] length the number names
* \return a list of tunable elements by name
*/
SOAPY_SDR_API char **SoapySDRDevice_listFrequencies(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Get the range of overall frequency values.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of ranges
* \return a list of frequency ranges in Hz
*/
SOAPY_SDR_API SoapySDRRange *SoapySDRDevice_getFrequencyRange(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Get the range of tunable values for the specified element.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param name the name of a tunable element
* \param [out] length the number of ranges
* \return a list of frequency ranges in Hz
*/
SOAPY_SDR_API SoapySDRRange *SoapySDRDevice_getFrequencyRangeComponent(const SoapySDRDevice *device, const int direction, const size_t channel, const char *name, size_t *length);
/*!
* Query the argument info description for tune args.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of argument infos
* \return a list of argument info structures
*/
SOAPY_SDR_API SoapySDRArgInfo *SoapySDRDevice_getFrequencyArgsInfo(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*******************************************************************
* Sample Rate API
******************************************************************/
/*!
* Set the baseband sample rate of the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param rate the sample rate in samples per second
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setSampleRate(SoapySDRDevice *device, const int direction, const size_t channel, const double rate);
/*!
* Get the baseband sample rate of the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return the sample rate in samples per second
*/
SOAPY_SDR_API double SoapySDRDevice_getSampleRate(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Get the range of possible baseband sample rates.
* \deprecated replaced by getSampleRateRange()
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of sample rates
* \return a list of possible rates in samples per second
*/
SOAPY_SDR_API double *SoapySDRDevice_listSampleRates(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Get the range of possible baseband sample rates.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of sample rates
* \return a list of sample rate ranges in samples per second
*/
SOAPY_SDR_API SoapySDRRange *SoapySDRDevice_getSampleRateRange(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*******************************************************************
* Bandwidth API
******************************************************************/
/*!
* Set the baseband filter width of the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param bw the baseband filter width in Hz
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setBandwidth(SoapySDRDevice *device, const int direction, const size_t channel, const double bw);
/*!
* Get the baseband filter width of the chain.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \return the baseband filter width in Hz
*/
SOAPY_SDR_API double SoapySDRDevice_getBandwidth(const SoapySDRDevice *device, const int direction, const size_t channel);
/*!
* Get the range of possible baseband filter widths.
* \deprecated replaced by getBandwidthRange()
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of bandwidths
* \return a list of possible bandwidths in Hz
*/
SOAPY_SDR_API double *SoapySDRDevice_listBandwidths(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Get the range of possible baseband filter widths.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of ranges
* \return a list of bandwidth ranges in Hz
*/
SOAPY_SDR_API SoapySDRRange *SoapySDRDevice_getBandwidthRange(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*******************************************************************
* Clocking API
******************************************************************/
/*!
* Set the master clock rate of the device.
* \param device a pointer to a device instance
* \param rate the clock rate in Hz
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setMasterClockRate(SoapySDRDevice *device, const double rate);
/*!
* Get the master clock rate of the device.
* \param device a pointer to a device instance
* \return the clock rate in Hz
*/
SOAPY_SDR_API double SoapySDRDevice_getMasterClockRate(const SoapySDRDevice *device);
/*!
* Get the range of available master clock rates.
* \param device a pointer to a device instance
* \param [out] length the number of ranges
* \return a list of clock rate ranges in Hz
*/
SOAPY_SDR_API SoapySDRRange *SoapySDRDevice_getMasterClockRates(const SoapySDRDevice *device, size_t *length);
/*!
* Get the list of available clock sources.
* \param device a pointer to a device instance
* \param [out] length the number of sources
* \return a list of clock source names
*/
SOAPY_SDR_API char **SoapySDRDevice_listClockSources(const SoapySDRDevice *device, size_t *length);
/*!
* Set the clock source on the device
* \param device a pointer to a device instance
* \param source the name of a clock source
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setClockSource(SoapySDRDevice *device, const char *source);
/*!
* Get the clock source of the device
* \param device a pointer to a device instance
* \return the name of a clock source
*/
SOAPY_SDR_API char *SoapySDRDevice_getClockSource(const SoapySDRDevice *device);
/*******************************************************************
* Time API
******************************************************************/
/*!
* Get the list of available time sources.
* \param device a pointer to a device instance
* \param [out] length the number of sources
* \return a list of time source names
*/
SOAPY_SDR_API char **SoapySDRDevice_listTimeSources(const SoapySDRDevice *device, size_t *length);
/*!
* Set the time source on the device
* \param device a pointer to a device instance
* \param source the name of a time source
* \return an error code or 0 for success
*/
SOAPY_SDR_API int SoapySDRDevice_setTimeSource(SoapySDRDevice *device, const char *source);
/*!
* Get the time source of the device
* \param device a pointer to a device instance
* \return the name of a time source
*/
SOAPY_SDR_API char *SoapySDRDevice_getTimeSource(const SoapySDRDevice *device);
/*!
* Does this device have a hardware clock?
* \param device a pointer to a device instance
* \param what optional argument
* \return true if the hardware clock exists
*/
SOAPY_SDR_API bool SoapySDRDevice_hasHardwareTime(const SoapySDRDevice *device, const char *what);
/*!
* Read the time from the hardware clock on the device.
* The what argument can refer to a specific time counter.
* \param device a pointer to a device instance
* \param what optional argument
* \return the time in nanoseconds
*/
SOAPY_SDR_API long long SoapySDRDevice_getHardwareTime(const SoapySDRDevice *device, const char *what);
/*!
* Write the time to the hardware clock on the device.
* The what argument can refer to a specific time counter.
* \param device a pointer to a device instance
* \param timeNs time in nanoseconds
* \param what optional argument
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_setHardwareTime(SoapySDRDevice *device, const long long timeNs, const char *what);
/*!
* Set the time of subsequent configuration calls.
* The what argument can refer to a specific command queue.
* Implementations may use a time of 0 to clear.
* \deprecated replaced by setHardwareTime()
* \param device a pointer to a device instance
* \param timeNs time in nanoseconds
* \param what optional argument
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_setCommandTime(SoapySDRDevice *device, const long long timeNs, const char *what);
/*******************************************************************
* Sensor API
******************************************************************/
/*!
* List the available global readback sensors.
* A sensor can represent a reference lock, RSSI, temperature.
* \param device a pointer to a device instance
* \param [out] length the number of sensor names
* \return a list of available sensor string names
*/
SOAPY_SDR_API char **SoapySDRDevice_listSensors(const SoapySDRDevice *device, size_t *length);
/*!
* Get meta-information about a sensor.
* Example: displayable name, type, range.
* \param device a pointer to a device instance
* \param key the ID name of an available sensor
* \return meta-information about a sensor
*/
SOAPY_SDR_API SoapySDRArgInfo SoapySDRDevice_getSensorInfo(const SoapySDRDevice *device, const char *key);
/*!
* Readback a global sensor given the name.
* The value returned is a string which can represent
* a boolean ("true"/"false"), an integer, or float.
* \param device a pointer to a device instance
* \param key the ID name of an available sensor
* \return the current value of the sensor
*/
SOAPY_SDR_API char *SoapySDRDevice_readSensor(const SoapySDRDevice *device, const char *key);
/*!
* List the available channel readback sensors.
* A sensor can represent a reference lock, RSSI, temperature.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of sensor names
* \return a list of available sensor string names
*/
SOAPY_SDR_API char **SoapySDRDevice_listChannelSensors(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Get meta-information about a channel sensor.
* Example: displayable name, type, range.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param key the ID name of an available sensor
* \return meta-information about a sensor
*/
SOAPY_SDR_API SoapySDRArgInfo SoapySDRDevice_getChannelSensorInfo(const SoapySDRDevice *device, const int direction, const size_t channel, const char *key);
/*!
* Readback a channel sensor given the name.
* The value returned is a string which can represent
* a boolean ("true"/"false"), an integer, or float.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param key the ID name of an available sensor
* \return the current value of the sensor
*/
SOAPY_SDR_API char *SoapySDRDevice_readChannelSensor(const SoapySDRDevice *device, const int direction, const size_t channel, const char *key);
/*******************************************************************
* Register API
******************************************************************/
/*!
* Get a list of available register interfaces by name.
* \param device a pointer to a device instance
* \param [out] length the number of interfaces
* \return a list of available register interfaces
*/
SOAPY_SDR_API char **SoapySDRDevice_listRegisterInterfaces(const SoapySDRDevice *device, size_t *length);
/*!
* Write a register on the device given the interface name.
* This can represent a register on a soft CPU, FPGA, IC;
* the interpretation is up the implementation to decide.
* \param device a pointer to a device instance
* \param name the name of a available register interface
* \param addr the register address
* \param value the register value
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeRegister(SoapySDRDevice *device, const char *name, const unsigned addr, const unsigned value);
/*!
* Read a register on the device given the interface name.
* \param device a pointer to a device instance
* \param name the name of a available register interface
* \param addr the register address
* \return the register value
*/
SOAPY_SDR_API unsigned SoapySDRDevice_readRegister(const SoapySDRDevice *device, const char *name, const unsigned addr);
/*!
* Write a memory block on the device given the interface name.
* This can represent a memory block on a soft CPU, FPGA, IC;
* the interpretation is up the implementation to decide.
* \param device a pointer to a device instance
* \param name the name of a available memory block interface
* \param addr the memory block start address
* \param value the memory block content
* \param length the number of words in the block
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeRegisters(SoapySDRDevice *device, const char *name, const unsigned addr, const unsigned *value, const size_t length);
/*!
* Read a memory block on the device given the interface name.
* Pass the number of words to be read in via length;
* length will be set to the number of actual words read.
* \param device a pointer to a device instance
* \param name the name of a available memory block interface
* \param addr the memory block start address
* \param [inout] length number of words to be read from memory block
* \return the memory block content
*/
SOAPY_SDR_API unsigned *SoapySDRDevice_readRegisters(const SoapySDRDevice *device, const char *name, const unsigned addr, size_t *length);
/*******************************************************************
* Settings API
******************************************************************/
/*!
* Describe the allowed keys and values used for settings.
* \param device a pointer to a device instance
* \param [out] length the number of sensor names
* \return a list of argument info structures
*/
SOAPY_SDR_API SoapySDRArgInfo *SoapySDRDevice_getSettingInfo(const SoapySDRDevice *device, size_t *length);
/*!
* Write an arbitrary setting on the device.
* The interpretation is up the implementation.
* \param device a pointer to a device instance
* \param key the setting identifier
* \param value the setting value
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeSetting(SoapySDRDevice *device, const char *key, const char *value);
/*!
* Read an arbitrary setting on the device.
* \param device a pointer to a device instance
* \param key the setting identifier
* \return the setting value
*/
SOAPY_SDR_API char *SoapySDRDevice_readSetting(const SoapySDRDevice *device, const char *key);
/*!
* Describe the allowed keys and values used for channel settings.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param [out] length the number of sensor names
* \return a list of argument info structures
*/
SOAPY_SDR_API SoapySDRArgInfo *SoapySDRDevice_getChannelSettingInfo(const SoapySDRDevice *device, const int direction, const size_t channel, size_t *length);
/*!
* Write an arbitrary channel setting on the device.
* The interpretation is up the implementation.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param key the setting identifier
* \param value the setting value
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeChannelSetting(SoapySDRDevice *device, const int direction, const size_t channel, const char *key, const char *value);
/*!
* Read an arbitrary channel setting on the device.
* \param device a pointer to a device instance
* \param direction the channel direction RX or TX
* \param channel an available channel on the device
* \param key the setting identifier
* \return the setting value
*/
SOAPY_SDR_API char *SoapySDRDevice_readChannelSetting(const SoapySDRDevice *device, const int direction, const size_t channel, const char *key);
/*******************************************************************
* GPIO API
******************************************************************/
/*!
* Get a list of available GPIO banks by name.
* \param [out] length the number of GPIO banks
* \param device a pointer to a device instance
*/
SOAPY_SDR_API char **SoapySDRDevice_listGPIOBanks(const SoapySDRDevice *device, size_t *length);
/*!
* Write the value of a GPIO bank.
* \param device a pointer to a device instance
* \param bank the name of an available bank
* \param value an integer representing GPIO bits
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeGPIO(SoapySDRDevice *device, const char *bank, const unsigned value);
/*!
* Write the value of a GPIO bank with modification mask.
* \param device a pointer to a device instance
* \param bank the name of an available bank
* \param value an integer representing GPIO bits
* \param mask a modification mask where 1 = modify
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeGPIOMasked(SoapySDRDevice *device, const char *bank, const unsigned value, const unsigned mask);
/*!
* Readback the value of a GPIO bank.
* \param device a pointer to a device instance
* \param bank the name of an available bank
* \return an integer representing GPIO bits
*/
SOAPY_SDR_API unsigned SoapySDRDevice_readGPIO(const SoapySDRDevice *device, const char *bank);
/*!
* Write the data direction of a GPIO bank.
* 1 bits represent outputs, 0 bits represent inputs.
* \param device a pointer to a device instance
* \param bank the name of an available bank
* \param dir an integer representing data direction bits
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeGPIODir(SoapySDRDevice *device, const char *bank, const unsigned dir);
/*!
* Write the data direction of a GPIO bank with modification mask.
* 1 bits represent outputs, 0 bits represent inputs.
* \param device a pointer to a device instance
* \param bank the name of an available bank
* \param dir an integer representing data direction bits
* \param mask a modification mask where 1 = modify
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeGPIODirMasked(SoapySDRDevice *device, const char *bank, const unsigned dir, const unsigned mask);
/*!
* Read the data direction of a GPIO bank.
* \param device a pointer to a device instance
* 1 bits represent outputs, 0 bits represent inputs.
* \param bank the name of an available bank
* \return an integer representing data direction bits
*/
SOAPY_SDR_API unsigned SoapySDRDevice_readGPIODir(const SoapySDRDevice *device, const char *bank);
/*******************************************************************
* I2C API
******************************************************************/
/*!
* Write to an available I2C slave.
* If the device contains multiple I2C masters,
* the address bits can encode which master.
* \param device a pointer to a device instance
* \param addr the address of the slave
* \param data an array of bytes write out
* \param numBytes the number of bytes to write
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeI2C(SoapySDRDevice *device, const int addr, const char *data, const size_t numBytes);
/*!
* Read from an available I2C slave.
* If the device contains multiple I2C masters,
* the address bits can encode which master.
* Pass the number of bytes to be read in via numBytes;
* numBytes will be set to the number of actual bytes read.
* \param device a pointer to a device instance
* \param addr the address of the slave
* \param [inout] numBytes the number of bytes to read
* \return an array of bytes read from the slave
*/
SOAPY_SDR_API char *SoapySDRDevice_readI2C(SoapySDRDevice *device, const int addr, size_t *numBytes);
/*******************************************************************
* SPI API
******************************************************************/
/*!
* Perform a SPI transaction and return the result.
* Its up to the implementation to set the clock rate,
* and read edge, and the write edge of the SPI core.
* SPI slaves without a readback pin will return 0.
*
* If the device contains multiple SPI masters,
* the address bits can encode which master.
*
* \param device a pointer to a device instance
* \param addr an address of an available SPI slave
* \param data the SPI data, numBits-1 is first out
* \param numBits the number of bits to clock out
* \return the readback data, numBits-1 is first in
*/
SOAPY_SDR_API unsigned SoapySDRDevice_transactSPI(SoapySDRDevice *device, const int addr, const unsigned data, const size_t numBits);
/*******************************************************************
* UART API
******************************************************************/
/*!
* Enumerate the available UART devices.
* \param device a pointer to a device instance
* \param [out] length the number of UART names
* \return a list of names of available UARTs
*/
SOAPY_SDR_API char **SoapySDRDevice_listUARTs(const SoapySDRDevice *device, size_t *length);
/*!
* Write data to a UART device.
* Its up to the implementation to set the baud rate,
* carriage return settings, flushing on newline.
* \param device a pointer to a device instance
* \param which the name of an available UART
* \param data a null terminated array of bytes
* \return 0 for success or error code on failure
*/
SOAPY_SDR_API int SoapySDRDevice_writeUART(SoapySDRDevice *device, const char *which, const char *data);
/*!
* Read bytes from a UART until timeout or newline.
* Its up to the implementation to set the baud rate,
* carriage return settings, flushing on newline.
* \param device a pointer to a device instance
* \param which the name of an available UART
* \param timeoutUs a timeout in microseconds
* \return a null terminated array of bytes
*/
SOAPY_SDR_API char *SoapySDRDevice_readUART(const SoapySDRDevice *device, const char *which, const long timeoutUs);
#ifdef __cplusplus
}
#endif
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