I appreciate the use of the bladeRFA4, As I have one myself , I also appreciate the absolute nerdery that this kind of research involves! Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. * discrete bandwidth values is actually used for the requested bandwidth. * On the bladeRF x40 and x115 with FPGA versions >= v0.7.0, this is, * On the bladeRF 2.0 Micro, this is BLADERF_GAIN_SLOWATTACK_AGC with, * Only available on the bladeRF 2.0 Micro. * Otherwise, timeouts may occur. * // Synchronized samples should now be reaching the host following the. * required, if any arguments are to be provided. ), * Initialize a bladerf_trigger structure based upon the current configuration, * While it is possible to simply declare and manually fill in a bladerf_trigger, * structure, it is recommended to use this function to retrieve the current, * @param dev Device to query, * @param[in] signal Trigger signal to query, * @param[out] trigger Updated to describe trigger. May be NULL. https://nuand.com/libbladeRF-doc/v1.7.2 ... o_c_k.html. This is only used if. * As of libbladeRF v0.15.0, is guaranteed that only one callback from a stream, * will occur at a time. * Generally, adding \f$N\f$ in tens to low hundreds of milliseconds is, * sufficient to account for timestamp retrieval overhead and stream. You signed in with another tab or window. * `buffer_size` samples. Note that, * this is the entire buffer, not just a single, * @param samples Buffer to process. Use. * change the frequency of all channels in that direction. * Cancel all pending scheduled retune operations for the specified channel. * @param[in] page Page to begin reading from, * @param[in] count Number of pages to read. It is expected, * that the expansion boards are attached at power-on and remain attached, * libbladeRF, and is here as a placeholder, * Attach and enable an expansion board's features, * @param[in] xb Expansion board, * Determine which expansion board is attached, * @param[out] xb Expansion board, * This section contains various helper/utility functions for library logging. * This buffer is assumed to be the size specified. * | Byte offset | Bits 31...16 | Bits 15...0 | Description |, * +-------------------+--------------+--------------+------------------+, * | 0x00 + 0*chsize | Q0[0] | I0[0] | Ch 0, sample 0 |, * | 0x04 + 0*chsize | Q0[1] | I0[1] | Ch 0, sample 1 |, * | 0x08 + 0*chsize | Q0[2] | I0[2] | Ch 0, sample 2 |, * | 0x0c + 0*chsize | Q0[3] | I0[3] | Ch 0, sample 3 |, * | ... | ... | ... | ... |, * | 0x00 + 1*chsize | Q1[0] | I1[0] | Ch 1, sample 0 |, * | 0x04 + 1*chsize | Q1[1] | I1[1] | Ch 1, sample 1 |, * | 0x08 + 1*chsize | Q1[2] | I1[2] | Ch 1, sample 2 |, * | 0x0c + 1*chsize | Q1[3] | I1[3] | Ch 1, sample 3 |, * `-------------------`--------------`--------------`------------------`. ), * @param[in] enable true to enable, false to disable, * Retrieve the specified stream's current timestamp counter value from the, * This function is only intended to be used to retrieve a coarse estimate of, * the current timestamp when starting up a stream. * @param[in] fpga Full path to FPGA bitstream, * @return 0 upon successfully, or a value from \ref RETCODES list on failure, * Write the provided FPGA image to the bladeRF's SPI flash and enable FPGA, * loading from SPI flash at power on (also referred to within this project as, * @param[in] fpga_image Full path to FPGA file, * Erase the FPGA region of SPI flash, effectively disabling FPGA autoloading, * Reset the device, causing it to reload its firmware from flash, * Read firmware log data and write it to the specified file, * @param dev Device to read firmware log from, * @param[in] filename Filename to write log information to. * ::BLADERF_TRIGGER_REG_MASTER will yield a BLADERF_ERR_INVAL return value. * @pre Stream is no longer being used (via bladerf_submit_stream_buffer() or. * releases. Do not use these functions when operating an expansion board. Must be `count` *. If this is too, * much time, consider using the ::BLADERF_META_FLAG_TX_UPDATE_TIMESTAMP, * @note This is only used for the bladerf_sync_tx() call. * how the API performs this tuning, and for example code snippets. The prototype consists of two antenna arrays (2 elements each), one TX and the other RX. * Only 1 RX stream and 1 TX stream may be running at a time. * management, at the cost of added complexity. * @return 1 if FPGA is configured, 0 if it is not, * and value from \ref RETCODES list on failure, * Determine whether the FPGA image was loaded from flash, or if it was, * loaded from the host, by asking the firmware for the last-known FPGA, * @param[out] source Source of the configuration, * @return 0 on success, ::BLADERF_ERR_UNSUPPORTED if the, * BLADERF_CAP_FW_FPGA_SOURCE capability is not present, value from \ref, * Obtain the bus speed at which the device is operating, * @return Pointer to C string with the board's model name, either `bladerf1`. * - Return value: The user specifies the next buffer to fill with RX data. * asynchronous stream and perform thread-safe buffer management. * other tasks required to prepare the channel for the given frequency. * @param[in] mode bladerf_loopback enum to check, * @return true if supported, false if not (or on error), * @note Loopback modes should only be enabled or disabled while the RX and TX, * channels are both disabled (and therefore, when no samples are being. * in failures or unexpected behavior. * @param[in] mode VCTCXO taming mode, * @param dev Device handle, * @param[out] mode Current VCTCXO taming mode or, * ::BLADERF_VCTCXO_TAMER_INVALID if a failure, * @defgroup FN_VCTCXO_TRIM_DAC VCTCXO Trim DAC. * ::BLADERF_ERR_INVAL if any image fields are invalid. * Lesser General Public License for more details. * For example, for a transmit stream, modulated data can be actively written, * into free buffers while transfers of other buffers are occurring. Set to 0. * @note As of FPGA v0.6.0, `mini_exp[1]` has been allocated as the trigger, * signal. In, * most cases, one should define the bandwidth to be less than the sample rate, * Set the bandwidth of the channel to the specified value in Hz, * The underlying device is capable of a discrete set of bandwidth values. * currently "in-flight", versus those available for use. * Opens device specified by provided bladerf_devinfo structure, * This function is generally preferred over bladerf_open() when a device. * After obtaining this list, identify the device that you would like to load, * firmware onto. I didn't check the required toolboxes deeply as my uni's licence provides all of these. * value must >= the `num_transfers` parameter. * write of the image's `data` field to flash. by rtucker ยป Mon Nov 13, 2017 1:01 pm, Post Visual Studio 2013 onward supplies this header. * Under the hood, this call starts up an underlying asynchronous stream as, * needed. * environment variable to `host` or `fpga`. To achieve this, while a callback is executing, a, * per-stream lock is held. * Deinterleaves samples into contiguous blocks after MIMO RX. * This will be done automatically during bladerf_close() to ensure that, * previously queued retunes do not continue to occur after closing and then, * Fetch parameters used to tune the transceiver to the current frequency for, * use with bladerf_schedule_retune() to perform a "quick retune. Use the `timeout_ms` to place an upper limit on the time this, * To safely submit buffers from outside the stream callback flow, this function, * internally acquires a per-stream lock (the same one that is held during the, * execution of a stream callback). * ::BLADERF_RETUNE_NOW. * @param samples Buffer to process. * Stream callbacks must not block or perform long-running operations. * device_identifier is `NULL`. * The RX and TX channels are independently configurable. how. A different clock configuration is required for the XB devices which cannot be used simultaneously with the SMB clock port. * image, with this field filled with 0's. * @param[in] num_buffers Number of buffers to allocate and return. * will be gated until the "Fire" bit has been asserted. * @param[out] fire_requested Only applicable to a trigger master. * @param[in] resv2 Reserved for future use. * @warning IMPORTANT: Exceeding 1.8V on J71-1 can damage the associated FPGA. However, callbacks should always take, * a single approach of returning buffers or returning. If, * this is NULL, the backend, bus, and addr. * For a given sample rate, the below relationship must be upheld to transmit or. This. * @pre bladerf_sync_config() must have been called with the, * \ref BLADERF_FORMAT_SC16_Q11_META format for the associated channel in, * order to enable timestamps. This is slower, but provides. * @param[in] enabled Set true to enable the use of the USB device reset. * typically requires additional configuration for ideal performance. * These values control the use of header J71 pin 1 for taming the. Nonetheless, the hassle is worthy if it the result can save lives! * This group provides routines for controlling the VTCTXO tamer. * Mark the associated buffer as the end of a burst transmission. Note that the meaning, * of the `value` parameter to these functions depends upon the correction, * Adjusts the in-phase DC offset. * regardless of the value of `arm`. * Mapping between C string description of gain modes and bladerf_gain_mode, * This sets an overall system gain, optimally proportioning the gain between. (i.e., be wary, * of the order of lock acquisitions, including the internal per-stream lock. * Between specifying the ::BLADERF_META_FLAG_TX_BURST_START and, * ::BLADERF_META_FLAG_TX_BURST_END flags, there is no need for the user to the, * bladerf_metadata::timestamp field because the library will ensure the, * correct value is used, based upon the timestamp initially provided and. The different bands a phone uses may also affect the element distance in the array, although an array with many elements at a short distance may be generic enough for most of the spectrum. * ::BLADERF_STREAM_NO_DATA and submitting buffers later -- but not both. Please let us know if you decide to start the project! * @param[in] buf Buffer to read data into. * When actively receiving a sample stream, instead use the, * ::bladerf_metadata::timestamp field (provided when using the, * ::BLADERF_FORMAT_SC16_Q11_META format) to retrieve the timestamp value, * associated with a block of samples. These functions take care of packing/unpacking the, * metadata into/from the underlying stream and convey this information.

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