/usr/include/libbladeRF.h is in libbladerf-dev 0.2014.09~rc2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @file libbladeRF.h
*
* @brief bladeRF library
*
* Copyright (C) 2013 Nuand LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef BLADERF_H_
#define BLADERF_H_
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined _WIN32 || defined __CYGWIN__
# include <windows.h>
# define CALL_CONV __cdecl
# ifdef __GNUC__
# define API_EXPORT __attribute__ ((dllexport))
# else
# define API_EXPORT __declspec(dllexport)
# endif
#elif defined _DOXYGEN_ONLY_
/** Marks an API routine to be made visible to the dynamic loader.
* This is OS and/or compiler-specific. */
# define API_EXPORT
/** Specifies calling convention, if necessary.
* This is OS and/or compiler-specific. */
# define CALL_CONV
#else
# define API_EXPORT __attribute__ ((visibility ("default")))
# define CALL_CONV
#endif
/**
* @defgroup RETCODES Error codes
*
* bladeRF library routines return negative values to indicate errors.
* Values >= 0 are used to indicate success.
*
* @code
* int status = bladerf_set_txvga1(dev, 2);
*
* if (status < 0)
* handle_error();
* @endcode
*
* @{
*/
#define BLADERF_ERR_UNEXPECTED (-1) /**< An unexpected failure occurred */
#define BLADERF_ERR_RANGE (-2) /**< Provided parameter is out of range */
#define BLADERF_ERR_INVAL (-3) /**< Invalid operation/parameter */
#define BLADERF_ERR_MEM (-4) /**< Memory allocation error */
#define BLADERF_ERR_IO (-5) /**< File/Device I/O error */
#define BLADERF_ERR_TIMEOUT (-6) /**< Operation timed out */
#define BLADERF_ERR_NODEV (-7) /**< No device(s) available */
#define BLADERF_ERR_UNSUPPORTED (-8) /**< Operation not supported */
#define BLADERF_ERR_MISALIGNED (-9) /**< Misaligned flash access */
#define BLADERF_ERR_CHECKSUM (-10) /**< Invalid checksum */
#define BLADERF_ERR_NO_FILE (-11) /**< File not found */
#define BLADERF_ERR_UPDATE_FPGA (-12) /**< An FPGA update is required */
#define BLADERF_ERR_UPDATE_FW (-13) /**< A firmware update is requied */
/** @} (End RETCODES) */
/**
* @defgroup FN_INIT Initialization/deinitialization
*
* The functions in this section provide the ability query available devices,
* initialize them, and deinitialize them. They are not guaranteed to be
* thread-safe; the caller is responsible for ensuring they are executed
* atomically.
*
* @{
*/
/** This structure is an opaque device handle */
struct bladerf;
/**
* Backend by which the host communicates with the device
*/
typedef enum {
BLADERF_BACKEND_ANY, /**< "Don't Care" -- use any available backend */
BLADERF_BACKEND_LINUX, /**< Linux kernel driver */
BLADERF_BACKEND_LIBUSB, /**< libusb */
BLADERF_BACKEND_DUMMY = 100, /**< Dummy used for development purposes */
} bladerf_backend;
/**
* This enum describes the USB Speed at which the bladeRF is connected.
* Speeds not listed here are not supported.
*/
typedef enum {
BLADERF_DEVICE_SPEED_UNKNOWN,
BLADERF_DEVICE_SPEED_HIGH,
BLADERF_DEVICE_SPEED_SUPER,
} bladerf_dev_speed;
/** Length of device serial number string, including NUL-terminator */
#define BLADERF_SERIAL_LENGTH 33
/**
* Information about a bladeRF attached to the system
*
* See the \ref FN_DEVINFO section for information on populating and comparing
* these structures.
*/
struct bladerf_devinfo {
bladerf_backend backend; /**< Backend to use when connecting to device */
char serial[BLADERF_SERIAL_LENGTH]; /**< Device serial number string */
uint8_t usb_bus; /**< Bus # device is attached to */
uint8_t usb_addr; /**< Device address on bus */
unsigned int instance; /**< Device instance or ID */
};
/**
* Obtain a list of bladeRF devices attached to the system
*
* @param[out] devices
*
* @return number of items in returned device list, or value from
* \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_device_list(struct bladerf_devinfo **devices);
/**
* Free device list returned by bladerf_get_device_list()
*
* @param devices List of available devices
*/
API_EXPORT
void CALL_CONV bladerf_free_device_list(struct bladerf_devinfo *devices);
/**
* Opens device specified by provided bladerf_devinfo structure
*
* @pre devinfo has been populated via a call to bladerf_get_device_list
*
* @param[out] device Update with device handle on success
* @param[in] devinfo Device specification
*
* @return 0 on success, or value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_open_with_devinfo(struct bladerf **device,
struct bladerf_devinfo *devinfo);
/**
* Open specified device using a device identifier string
*
* The general form of the device identifier string is;
* @code
* <backend>:[device=<bus>:<addr>] [instance=<n>] [serial=<serial>]
* @endcode
*
* An empty ("") or NULL device identifier will result in the first
* encountered device being opened (using the first discovered backend)
*
* The 'backend' describes the mechanism used to communicate with the device,
* and may be one of the following:
* - libusb: libusb (See libusb changelog notes for required version, given
* your OS and controller)
* - linux: Linux Kernel Driver
*
* If no arguments are provided after the backend, the first encountered
* device on the specified backend will be opened. Note that a backend is
* required, if any arguments are to be provided.
*
* Next, any provided arguments are provide as used to find the desired device.
* Be sure not to over constrain the search. Generally, only one of the above
* is required -- providing all of these may over constrain the search for the
* desired device (e.g., if a serial number matches, but not on the specified
* bus and address.)
*
* - device=\<bus\>:\<addr\>
* - Specifies USB bus and address. Decimal or hex prefixed by '0x' is
* permitted.
* - instance=\<n\>
* - Nth instance encountered, 0-indexed (libusb)
* - Device node N, such as /dev/bladerfN (linux)
* - serial=\<serial\>
* - Device's serial number.
*
* @param[out] device Update with device handle on success
* @param[in] device_identifier Device identifier, formatted as described
* above
*
* @return 0 on success, or value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_open(struct bladerf **device,
const char *device_identifier);
/**
* Close device
*
* @note Failing to close a device will result in memory leaks.
*
* @post device is deallocated and may no longer be used.
*
* @param device Device handle previously obtained by bladerf_open(). This
* function does nothing if device is NULL.
*/
API_EXPORT
void CALL_CONV bladerf_close(struct bladerf *device);
/** @} (End FN_INIT) */
/**
* @defgroup FN_DEVINFO Device identifier information functions
*
* As the functions in this section do not operate on a device, there are no
* internal thread-safety concerns. The caller only needs to ensure the
* function parameters are not modified while these functions are executing.
*
* @{
*/
/**
* Initialize a device identifier information structure to a "wildcard" state.
* The values in each field will match any value for that field.
*
* Passing a bladerf_devinfo initialized with this function to
* bladerf_open_with_devinfo() will match the first device found.
*/
API_EXPORT
void CALL_CONV bladerf_init_devinfo(struct bladerf_devinfo *info);
/**
* Fill out a provided bladerf_devinfo structure, given an open device handle.
* This function is thread-safe.
*
* @pre dev must be a valid device handle.
*
* @param[in] dev Device handle previously obtained with bladerf_open()
* @param[out] info Device information populated by this function
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_devinfo(struct bladerf *dev,
struct bladerf_devinfo *info);
/**
* Populate a device identifier information structure using the provided
* device identifier string.
*
* @param[in] devstr Device identifier string, formated as described
* in the bladerf_open() documentation
*
* @param[out] info Upon success, this will be filled out according to the
* provided device identifier string, with wildcards for
* any fields that were not provided.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_devinfo_from_str(const char *devstr,
struct bladerf_devinfo *info);
/**
* Test whether two device identifier information structures match, taking
* wildcard values into account.
*/
API_EXPORT
bool CALL_CONV bladerf_devinfo_matches(const struct bladerf_devinfo *a,
const struct bladerf_devinfo *b);
/**
* Test whether a provided device string matches a device described by
* the provided bladerf_devinfo structure
*
* @param[in] dev_str Devices string, formated as described in the
* the documentation of bladerf_open
*
* @param[in] info Device info to compare with
*
* @return true upon a match, false otherwise
*/
API_EXPORT
bool CALL_CONV bladerf_devstr_matches(const char *dev_str,
struct bladerf_devinfo *info);
/**
* Retrieve the backend string associated with the specified
* backend enumeration value.
*
* @warning Do not attempt to modify or free() the returned string.
*
* @return A string that can used to specify the `backend` portion of a device
* identifier string. (See bladerf_open().)
*/
API_EXPORT
const char * CALL_CONV bladerf_backend_str(bladerf_backend backend);
/** @} (End of FN_DEVINFO) */
/**
* @defgroup FN_CTRL Device control and configuration
*
* This section provides functions pertaining to accessing, controlling, and
* configuring various device options and parameters.
*
* @{
*/
/** Minimum RXVGA1 gain, in dB */
#define BLADERF_RXVGA1_GAIN_MIN 5
/** Maximum RXVGA1 gain, in dB */
#define BLADERF_RXVGA1_GAIN_MAX 30
/** Minimum RXVGA2 gain, in dB */
#define BLADERF_RXVGA2_GAIN_MIN 0
/** Maximum RXVGA2 gain, in dB */
#define BLADERF_RXVGA2_GAIN_MAX 30
/** Minimum TXVGA1 gain, in dB */
#define BLADERF_TXVGA1_GAIN_MIN (-35)
/** Maximum TXVGA1 gain, in dB */
#define BLADERF_TXVGA1_GAIN_MAX (-4)
/** Minimum TXVGA2 gain, in dB */
#define BLADERF_TXVGA2_GAIN_MIN 0
/** Maximum TXVGA2 gain, in dB */
#define BLADERF_TXVGA2_GAIN_MAX 25
/** Minimum sample rate, in Hz */
#define BLADERF_SAMPLERATE_MIN 80000u
/** Maximum recommended sample rate, in Hz */
#define BLADERF_SAMPLERATE_REC_MAX 40000000u
/** Minimum bandwidth, in Hz */
#define BLADERF_BANDWIDTH_MIN 1500000u
/** Maximum bandwidth, in Hz */
#define BLADERF_BANDWIDTH_MAX 28000000u
/** Minimum tunable frequency (without an XB-200 attached), in Hz */
#define BLADERF_FREQUENCY_MIN 232500000u
/**
* Minimum tunable frequency (with an XB-200 attached), in HZ.
*
* While this value is the lowest permitted, note that the components on the
* XB-200 are only rated down to 50 MHz. Be aware that performance will likely
* degrade as you tune to lower frequencies.
*/
#define BLADERF_FREQUENCY_MIN_XB200 0u
/** Maximum tunable frequency, in Hz */
#define BLADERF_FREQUENCY_MAX 3800000000u
/**
* Loopback options
*/
typedef enum {
/**
* Firmware loopback inside of the FX3
*/
BLADERF_LB_FIRMWARE = 1,
/**
* Baseband loopback. TXLPF output is connected to the RXVGA2 input.
*/
BLADERF_LB_BB_TXLPF_RXVGA2,
/**
* Baseband loopback. TXVGA1 output is connected to the RXVGA2 input.
*/
BLADERF_LB_BB_TXVGA1_RXVGA2,
/**
* Baseband loopback. TXLPF output is connected to the RXLPF input.
*/
BLADERF_LB_BB_TXLPF_RXLPF,
/**
* Baseband loopback. TXVGA1 output is connected to RXLPF input.
*/
BLADERF_LB_BB_TXVGA1_RXLPF,
/**
* RF loopback. The TXMIX output, through the AUX PA, is connected to the
* output of LNA1.
*/
BLADERF_LB_RF_LNA1,
/**
* RF loopback. The TXMIX output, through the AUX PA, is connected to the
* output of LNA2.
*/
BLADERF_LB_RF_LNA2,
/**
* RF loopback. The TXMIX output, through the AUX PA, is connected to the
* output of LNA3.
*/
BLADERF_LB_RF_LNA3,
/**
* Disables loopback and returns to normal operation.
*/
BLADERF_LB_NONE
} bladerf_loopback;
/**
* Rational sample rate representation
*/
struct bladerf_rational_rate {
uint64_t integer; /**< Integer portion */
uint64_t num; /**< Numerator in fractional portion */
uint64_t den; /**< Denominator in fractional portion. This
must be > 0. */
};
/**
* Sampling connection
*/
typedef enum {
BLADERF_SAMPLING_UNKNOWN, /**< Unable to determine connection type */
BLADERF_SAMPLING_INTERNAL, /**< Sample from RX/TX connector */
BLADERF_SAMPLING_EXTERNAL /**< Sample from J60 or J61 */
} bladerf_sampling;
/**
* LNA gain options
*/
typedef enum {
BLADERF_LNA_GAIN_UNKNOWN, /**< Invalid LNA gain */
BLADERF_LNA_GAIN_BYPASS, /**< LNA bypassed - 0dB gain */
BLADERF_LNA_GAIN_MID, /**< LNA Mid Gain (MAX-6dB) */
BLADERF_LNA_GAIN_MAX /**< LNA Max Gain */
} bladerf_lna_gain;
#define BLADERF_LNA_GAIN_MID_DB 3 /**< Gain in dB of the LNA at mid setting */
#define BLADERF_LNA_GAIN_MAX_DB 6 /**< Gain in db of the LNA at max setting */
/**
* LPF mode
*/
typedef enum {
BLADERF_LPF_NORMAL, /**< LPF connected and enabled */
BLADERF_LPF_BYPASSED, /**< LPF bypassed */
BLADERF_LPF_DISABLED /**< LPF disabled */
} bladerf_lpf_mode;
/**
* Module selection for those which have both RX and TX constituents
*/
typedef enum
{
BLADERF_MODULE_RX, /**< Receive Module */
BLADERF_MODULE_TX /**< Transmit Module */
} bladerf_module;
/**
* Expansion boards
*/
typedef enum {
BLADERF_XB_NONE = 0, /**< No expansion boards attached */
BLADERF_XB_100, /**< XB-100 GPIO expansion board.
* This device is not yet supported in
* libbladeRF, and is here as a placeholder
* for future support. */
BLADERF_XB_200 /**< XB-200 Transverter board */
} bladerf_xb;
/**
* XB-200 filter selection options
*/
typedef enum {
/** 50-54 MHz (6 meter band) filterbank */
BLADERF_XB200_50M = 0,
/** 144-148 MHz (2 meter band) filterbank */
BLADERF_XB200_144M,
/**
* 222-225 MHz (1.25 meter band) filterbank.
*
* Note that this filter option is technically wider, covering 206-235 MHz.
*/
BLADERF_XB200_222M,
/**
* This option enables the RX/TX module's custom filter bank path across the
* associated FILT and FILT-ANT SMA connectors on the XB-200 board.
*
* For reception, it is often possible to simply connect the RXFILT and
* RXFILT-ANT connectors with an SMA cable (effectively, "no filter"). This
* allows for reception of signals outside of the frequency range of the
* on-board filters, with some potential trade-off in signal quality.
*
* For transmission, <b>always</b> use an appropriate filter on the custom
* filter path to avoid spurious emissions.
*
*/
BLADERF_XB200_CUSTOM,
/**
* When this option is selected, the other filter options are automatically
* selected depending on the RX or TX module's current frequency, based upon
* the 1dB points of the on-board filters. For frequencies outside the
* range of the on-board filters, the custom path is selected.
*/
BLADERF_XB200_AUTO_1DB,
/**
* When this option is selected, the other filter options are automatically
* selected depending on the RX or TX module's current frequency, based upon
* the 3dB points of the on-board filters. For frequencies outside the
* range of the on-board filters, the custom path is selected.
*/
BLADERF_XB200_AUTO_3DB
} bladerf_xb200_filter;
/**
* XB-200 signal paths
*/
typedef enum {
BLADERF_XB200_BYPASS = 0, /**< Bypass the XB-200 mixer */
BLADERF_XB200_MIX /**< Pass signals through the XB-200 mixer */
} bladerf_xb200_path;
/**
* DC Calibration Modules
*/
typedef enum
{
BLADERF_DC_CAL_LPF_TUNING,
BLADERF_DC_CAL_TX_LPF,
BLADERF_DC_CAL_RX_LPF,
BLADERF_DC_CAL_RXVGA2
} bladerf_cal_module;
/**
* Correction parameter selection
*
* These values specify the correction parameter to modify or query when
* calling bladerf_set_correction() or bladerf_get_correction(). Note that the
* meaning of the `value` parameter to these functions depends upon the
* correction parameter.
*
*/
typedef enum
{
/**
* Adjusts the in-phase DC offset via controls provided by the LMS6002D
* front end. Valid values are [-2048, 2048], which are scaled to the
* available control bits in the LMS device.
*/
BLADERF_CORR_LMS_DCOFF_I,
/**
* Adjusts the quadrature DC offset via controls provided the LMS6002D
* front end. Valid values are [-2048, 2048], which are scaled to the
* available control bits.
*/
BLADERF_CORR_LMS_DCOFF_Q,
/**
* Adjusts FPGA-based phase correction of [-10, 10] degrees, via a provided
* count value of [-4096, 4096].
*/
BLADERF_CORR_FPGA_PHASE,
/**
* Adjusts FPGA-based gain correction of [0.0, 2.0], via provided
* values in the range of [-4096, 4096], where a value of 0 corresponds to
* a gain of 1.0.
*/
BLADERF_CORR_FPGA_GAIN
} bladerf_correction;
/**
* Enable or disable the specified RX/TX module.
*
* When a synchronous stream is associated with the specified module, this
* will shut down the underlying asynchronous stream when `enable` = false.
*
* When transmitting samples with the sync interface, be sure to provide ample
* time for TX samples reach the FPGA and be transmitted before calling this
* function with `enable` = false.
*
* @param dev Device handle
* @param m Device module
* @param enable true to enable, false to disable
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_enable_module(struct bladerf *dev,
bladerf_module m, bool enable);
/**
* Apply specified loopback mode
*
* @param dev Device handle
* @param l Loopback mode. Note that BLADERF_LB_NONE disables the
* use of loopback functionality.
*
* @note Loopback modes should only be enabled or disabled while the RX and TX
* modules are both disabled (and therefore, when no samples are being
* actively streamed). Otherwise, unexpected behavior may occur.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_loopback(struct bladerf *dev, bladerf_loopback l);
/**
* Get current loopback mode
*
* @param[in] dev Device handle
* @param[out] l Current loopback mode
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_loopback(struct bladerf *dev, bladerf_loopback *l);
/**
* Configure the device's sample rate, in Hz. Note this requires the sample
* rate is an integer value of Hz. Use bladerf_set_rational_sample_rate()
* for more arbitrary values.
*
* The sample rate must be greater than or equal to \ref BLADERF_SAMPLERATE_MIN.
* Values above \ref BLADERF_SAMPLERATE_REC_MAX are allowed, but not
* recommended. Setting the sample rates higher than recommended max may yield
* errors and unexpected results.
*
* @param[in] dev Device handle
* @param[in] module Module to change
* @param[in] rate Sample rate
* @param[out] actual If non-NULL. this is written with the actual
* sample rate achieved.
*
* @return 0 on success,
* BLADERF_ERR_INVAL for an invalid sample rate,
* or a value from \ref RETCODES list on other failures
*/
API_EXPORT
int CALL_CONV bladerf_set_sample_rate(struct bladerf *dev,
bladerf_module module,
unsigned int rate,
unsigned int *actual);
/**
* Configure the device's sample rate as a rational fraction of Hz.
* Sample rates are in the form of integer + num/denom.
*
* @param[in] dev Device handle
* @param[in] module Module to change
* @param[in] rate Rational sample rate
* @param[out] actual If non-NULL, this is written with the actual
* rational sample rate achieved.
*
* The sample rate must be greater than or equal to \ref BLADERF_SAMPLERATE_MIN.
* Values above \ref BLADERF_SAMPLERATE_REC_MAX are allowed, but not
* recommended. Setting the sample rates higher than recommended max may yield
* errors and unexpected results.
*
* @return 0 on success,
* BLADERF_ERR_INVAL for an invalid sample rate,
* or a value from \ref RETCODES list on other failures
*/
API_EXPORT
int CALL_CONV bladerf_set_rational_sample_rate(
struct bladerf *dev,
bladerf_module module,
struct bladerf_rational_rate *rate,
struct bladerf_rational_rate *actual);
/**
* Configure the sampling of the LMS6002D to be either internal or
* external. Internal sampling will read from the RXVGA2 driver internal
* to the chip. External sampling will connect the ADC inputs to the
* external inputs for direct sampling.
*
* @param[in] dev Device handle
* @param[in] sampling Sampling connection
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_sampling(struct bladerf *dev,
bladerf_sampling sampling);
/**
* Read the device's current state of RXVGA2 and ADC pin connection
* to figure out which sampling mode it is currently configured in.
*
* @param[in] dev Device handle
* @param[out] sampling Sampling connection
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_sampling(struct bladerf *dev,
bladerf_sampling *sampling);
/**
* Read the device's sample rate in Hz
*
* @param[in] dev Device handle
* @param[in] module Module to query
* @param[out] rate Pointer to returned sample rate
*
* @return 0 on success, value from \ref RETCODES list upon failure
*/
API_EXPORT
int CALL_CONV bladerf_get_sample_rate(struct bladerf *dev,
bladerf_module module,
unsigned int *rate);
/**
* Read the device's sample rate in rational Hz
*
* @param[in] dev Device handle
* @param[in] module Module to query
* @param[out] rate Pointer to returned rational sample rate
*
* @return 0 on success, value from \ref RETCODES list upon failure
*/
API_EXPORT
int CALL_CONV bladerf_get_rational_sample_rate(
struct bladerf *dev,
bladerf_module module,
struct bladerf_rational_rate *rate);
/**
* Set the value of the specified configuration parameter
*
* See the ::bladerf_correction description for the valid ranges of the
* `value` parameter.
*
* @param dev Device handle
* @param module Module to apply correction to
* @param corr Correction type
* @param value Value to apply
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_correction(struct bladerf *dev, bladerf_module module,
bladerf_correction corr, int16_t value);
/**
* Obtain the current value of the specified configuration parameter
*
* @param[in] dev Device handle
* @param[in] module Module to retrieve correction information from
* @param[in] corr Correction type
* @param[out] value Current value
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_correction(struct bladerf *dev, bladerf_module module,
bladerf_correction corr, int16_t *value);
/**
* Set the PA gain in dB
*
* Values outside the range of
* [ \ref BLADERF_TXVGA2_GAIN_MIN, \ref BLADERF_TXVGA2_GAIN_MAX ]
* will be clamped.
*
* @param dev Device handle
* @param gain Desired gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_txvga2(struct bladerf *dev, int gain);
/**
* Get the PA gain in dB
*
* @param dev Device handle
* @param gain Pointer to returned gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT int
CALL_CONV bladerf_get_txvga2(struct bladerf *dev, int *gain);
/**
* Set the post-LPF gain in dB
*
* Values outside the range of
* [ \ref BLADERF_TXVGA1_GAIN_MIN, \ref BLADERF_TXVGA1_GAIN_MAX ]
* will be clamped.
*
* @param dev Device handle
* @param gain Desired gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_txvga1(struct bladerf *dev, int gain);
/**
* Get the post-LPF gain in dB
*
* @param dev Device handle
* @param gain Pointer to returned gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_txvga1(struct bladerf *dev, int *gain);
/**
* Set a combined VGA TX gain
*
* This function computes the optimal TXVGA1 and TXVGA2 gains for a requested
* amount of gain
*
* @param dev Device handle
* @param gain Desired gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_tx_gain(struct bladerf *dev, int gain);
/**
* Set the LNA gain
*
* @param dev Device handle
* @param gain Desired gain level
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_lna_gain(struct bladerf *dev, bladerf_lna_gain gain);
/**
* Get the LNA gain
*
* @param dev Device handle
* @param gain Pointer to the set gain level
*/
API_EXPORT
int CALL_CONV bladerf_get_lna_gain(struct bladerf *dev, bladerf_lna_gain *gain);
/**
* Set the pre-LPF VGA gain
*
* Values outside the range of
* [ \ref BLADERF_RXVGA1_GAIN_MIN, \ref BLADERF_RXVGA1_GAIN_MAX ]
* will be clamped.
*
* @param dev Device handle
* @param gain Desired gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_rxvga1(struct bladerf *dev, int gain);
/**
* Get the pre-LPF VGA gain
*
* @param dev Device handle
* @param gain Pointer to the set gain level
*/
API_EXPORT
int CALL_CONV bladerf_get_rxvga1(struct bladerf *dev, int *gain);
/**
* Set the post-LPF VGA gain
*
* Values outside the range of
* [ \ref BLADERF_RXVGA2_GAIN_MIN, \ref BLADERF_RXVGA2_GAIN_MAX ]
* will be clamped.
*
* @param dev Device handle
* @param gain Desired gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_rxvga2(struct bladerf *dev, int gain);
/**
* Get the post-LPF VGA gain
*
* @param dev Device handle
* @param gain Pointer to the set gain level
*/
API_EXPORT
int CALL_CONV bladerf_get_rxvga2(struct bladerf *dev, int *gain);
/**
* Set a combined pre and post LPF RX gain
*
* This function computes the optimal LNA, RXVGA1, and RVGA2 gains for a
* requested amount of RX gain, and computes the optimal TXVGA1 and TXVGA2 gains
* for a requested amount of TX gain
*
* @param dev Device handle
* @param mod Module
* @param gain Desired gain
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_gain(struct bladerf *dev, bladerf_module mod, int gain);
/**
* Set the bandwidth of the LMS LPF to specified value in Hz
*
* The underlying device is capable of a discrete set of bandwidth values. The
* caller should check the `actual` parameter to determine which of these
* discrete bandwidth values is actually used for the requested bandwidth.
*
* Values outside the range of
* [ \ref BLADERF_BANDWIDTH_MIN, \ref BLADERF_BANDWIDTH_MAX ]
* will be clamped.
*
* @param[in] dev Device handle
* @param[in] module Module for bandwidth request
* @param[in] bandwidth Desired bandwidth
* @param[out] actual If non-NULL, written with the actual
* bandwidth that the device was able to
* achieve.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_bandwidth(struct bladerf *dev, bladerf_module module,
unsigned int bandwidth,
unsigned int *actual);
/**
* Get the bandwidth of the LMS LPF
*
* @param dev Device Handle
* @param module Module for bandwidth request
* @param bandwidth Actual bandwidth in Hz
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_bandwidth(struct bladerf *dev, bladerf_module module,
unsigned int *bandwidth);
/**
* Set the LMS LPF mode to bypass or disable it
*
* @param dev Device handle
* @param module Module for mode request
* @param mode Mode to be set
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_lpf_mode(struct bladerf *dev, bladerf_module module,
bladerf_lpf_mode mode);
/**
* Get the current mode of the LMS LPF
*
* @param dev Device handle
* @param module Module for mode request
* @param mode Current mode of the LPF
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_lpf_mode(struct bladerf *dev, bladerf_module module,
bladerf_lpf_mode *mode);
/**
* Select the appropriate band path given a frequency in Hz.
*
* The high band (LNA2 and PA2) is used for `frequency` >= 1.5 GHz. Otherwise,
* The low band (LNA1 and PA1) is used.
*
* Frequency values outside the range of
* [ \ref BLADERF_FREQUENCY_MIN, \ref BLADERF_FREQUENCY_MAX ]
* will be clamped.
*
* @param dev Device handle
* @param module Module to configure
* @param frequency Tuned frequency
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_select_band(struct bladerf *dev, bladerf_module module,
unsigned int frequency);
/**
* Set module's frequency in Hz.
*
* Values outside the range of
* [ \ref BLADERF_FREQUENCY_MIN, \ref BLADERF_FREQUENCY_MAX ]
* will be clamped.
*
* This calls bladerf_select_band() internally.
*
* @param dev Device handle
* @param module Module to configure
* @param frequency Desired frequency
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_frequency(struct bladerf *dev,
bladerf_module module,
unsigned int frequency);
/**
* Get module's current frequency in Hz
*
* @param dev Device handle
* @param module Module to configure
* @param frequency Pointer to the returned frequency
*/
API_EXPORT
int CALL_CONV bladerf_get_frequency(struct bladerf *dev,
bladerf_module module,
unsigned int *frequency);
/**
* Attach and enable an expansion board's features
*
* @param dev Device handle
* @param xb Expansion board
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_expansion_attach(struct bladerf *dev, bladerf_xb xb);
/**
* Determine which expansion board is attached
*
* @param dev Device handle
* @param xb Expansion board
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_expansion_get_attached(struct bladerf *dev, bladerf_xb *xb);
/**
* Set XB-200 filterbank
*
* @param dev Device handle
* @param mod Module
* @param filter XB200 filterbank
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_xb200_set_filterbank(struct bladerf *dev,
bladerf_module mod,
bladerf_xb200_filter filter);
/**
* Get current XB-200 filterbank
*
* @param[in] dev Device handle
* @param[in] module Module to query
* @param[out] filter Pointer to filterbank, only updated if return
* value is 0.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_xb200_get_filterbank(struct bladerf *dev,
bladerf_module module,
bladerf_xb200_filter *filter);
/**
* Set XB-200 signal path
*
* @param dev Device handle
* @param module Module to configure
* @param path Desired XB-200 signal path
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_xb200_set_path(struct bladerf *dev,
bladerf_module module,
bladerf_xb200_path path);
/**
* Get current XB-200 signal path
*
* @param dev Device handle
* @param module Module to query
* @param path Pointer to XB200 signal path
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_xb200_get_path(struct bladerf *dev,
bladerf_module module,
bladerf_xb200_path *path);
/** @} (End of FN_CTRL) */
/**
* @defgroup FMT_META Sample Formats and Metadata
*
* This section defines the available sample formats and metadata flags.
*
* @{
*/
/**
* Sample format
*/
typedef enum {
BLADERF_FORMAT_SC16_Q11, /**< Signed, Complex 16-bit Q11.
* This is the native format of the DAC data.
*
* Samples are interleaved IQ value pairs, where
* each value in the pair is an int16_t. For each
* value, the data in the lower bits. The upper
* bits are reserved.
*
* When using this format, note that buffers
* must be at least
* 2 * num_samples * sizeof(int16_t)
* bytes large
*/
} bladerf_format;
/**
* Reverse compatibility for the sample format misnomer fix
*
* @warning This is scheduled to be removed in the future.
*/
#define BLADERF_FORMAT_SC16_Q12 BLADERF_FORMAT_SC16_Q11
/*
* Metadata status bits
*/
/**
* The host-side data stream encountered an overrun failure
*/
#define BLADERF_META_STATUS_SW_OVERRUN (1 << 0)
/**
* The host-side data stream encountered an underrun failure
*/
#define BLADERF_META_STATUS_SW_UNDERRUN (1 << 1)
/**
* An overrun failure occurred in the FPGA
*/
#define BLADERF_META_STATUS_HW_OVERRUN (1 << 8)
/**
* An underrrun failure occurred in the FPGA
*/
#define BLADERF_META_STATUS_HW_UNDERRUN (1 << 9)
/*
* Metadata flags
*/
/**
* Mark the associated buffer as the start of a burst transfer
*/
#define BLADERF_META_FLAG_BURST_START (1 << 0)
/**
* Mark the associated buffer as the end of a burst transfer
*/
#define BLADERF_META_FLAG_BURST_END (1 << 1)
/**
* Sample metadata
*
* @bug Metadata support is not yet implemented. API users should not attempt
* to read or write to metadata structures.
*
* The size of this structure may change when metadata support is
* completed, which may affect binary compatibility of library versions.
*/
struct bladerf_metadata {
/**
* Free-running FPGA counter that monotonically increases at the
* sample rate of the associated module. */
uint64_t timestamp;
/**
* Input bit field to control the behavior of the call that the metadata
* structure is passed to. API calls read this field from the provided
* data structure, and do not modify it.
*
* See the BLADERF_META_FLAG_* values for available options.
*/
uint32_t flags;
/**
* Output bit field to denoting the status of transmissions/receptions. API
* calls will write this field.
*
* See the BLADERF_META_STATUS_* values for possible status items.
*/
uint32_t status;
};
/** @} (End of FMT_META) */
/**
* @defgroup FN_DATA_ASYNC Asynchronous data transmission and reception
*
* This interface gives the API user full control over the stream and buffer
* management, at the cost of added complexity.
*
* New users are recommended to first evaluate the \ref FN_DATA_SYNC interface,
* and to only use this interface if the former is found to not yield suitable
* performance.
*
* @{
*/
/**
* Use this as a return value in callbacks or as the buffer parameter to
* bladerf_submit_stream_buffer() to shutdown a stream.
*/
#define BLADERF_STREAM_SHUTDOWN (NULL)
/**
* Use this value in a stream callback to indicate that no buffer is being
* provided. In this case, buffers are expected to be provided via
* bladerf_submit_stream_buffer().
*/
#define BLADERF_STREAM_NO_DATA ((void*)(-1))
/** This opaque structure is used to keep track of stream information */
struct bladerf_stream;
/**
* This typedef represents a callback function that is executed in response to
* this interface's asynchronous events.
*
* Stream callbacks <b>must not</b> block or perform long-running operations.
* Otherwise, timeouts may occur. If this cannot be guaranteed, consider
* returning BLADERF_STREAM_NO_DATA in callbacks and later submit a buffer using
* bladerf_submit_stream_buffer(). However, callbacks should always take a
* single approach of returning buffers <b>or</b> returning
* BLADERF_STREAM_NO_DATA and submitting buffers later -- <b>but not both</b>.
*
* When running in a full-duplex mode of operation with simultaneous TX and RX
* stream threads, be aware that one module's callback may occur in the context
* of another module's thread. The API user is responsible for ensuring their
* callbacks are thread safe. For example, when managing access to sample
* buffers, the caller must ensure that if one thread is processing samples in a
* buffer, that this buffer is not returned via the callback's return value.
*
* As of libbladeRF v0.15.0, is guaranteed that only one callback from a module
* will occur at a time. (i.e., a second TX callback will not fire while one is
* currently being handled.) To achieve this, while a callback is executing, a
* per-stream lock is held. It is important to consider this when thinking about
* the order of lock acquisitions both in the callbacks, and the code
* surrounding bladerf_submit_stream_buffer().
*
* <b>Note:</b>Do not call bladerf_submit_stream_buffer() from a callback.
*
* For both RX and TX, the stream callback receives:
* - dev: Device structure
* - stream: The associated stream
* - metadata: For future support - do not attempt to read/write this
* in the current library implementation.
* - user_data: User data provided when initializing stream
*
* For TX callbacks:
* - samples: Pointer to buffer of samples that was sent
* - num_samples: Number of sent in last transfer and to send in next transfer
* - Return value: The user specifies the address of the next buffer to send,
* BLADERF_STREAM_SHUTDOWN, or BLADERF_STREAM_NO_DATA.
*
* For RX callbacks:
* - samples: Buffer filled with received data
* - num_samples: Number of samples received and size of next buffers
* - Return value: The user specifies the next buffer to fill with RX data,
* which should be `num_samples` in size,
* BLADERF_STREAM_SHUTDOWN, or BLADERF_STREAM_NO_DATA.
*
*/
typedef void *(*bladerf_stream_cb)(struct bladerf *dev,
struct bladerf_stream *stream,
struct bladerf_metadata *meta,
void *samples,
size_t num_samples,
void *user_data);
/**
* Initialize a stream for use with asynchronous routines.
*
* This function will internally allocate data buffers, which will be provided
* to the API user in callback functions.
*
* The `buffers` output parameter populates a pointer to the list of allocated
* buffers. This allows the API user to implement a buffer management scheme to
* best suit his or her specific use case.
*
* Generally, one will want to set the `buffers` parameter to a value larger
* than the `num_transfers` parameter, and keep track of which buffers are
* currently "in-flight", versus those available for use.
*
* For example, for a transmit stream, modulated data can be actively written
* into free buffers while transfers of other buffers are occurring. Once a
* buffer has been filled with data, it can be marked 'in-flight' and be
* returned in a successive callback to transmit.
*
* The choice of values for the `num_transfers` and `buffer_size` should be
* made based upon the desired samplerate, and the stream timeout value
* specified via bladerf_set_stream_timeout(), which defaults to 1 second.
*
* For a given sample rate, the below relationship must be upheld to transmit or
* receive data without timeouts or dropped data.
*
* @f[
* Sample\ Rate > \frac{\#\ Transfers}{Timeout} \times Buffer\ Size
* @f]
*
* ...where Sample Rate is in samples per second, and Timeout is in seconds.
*
* To account for general system overhead, it is recommended to multiply the
* righthand side by 1.1 to 1.25.
*
* While increasing the number of buffers available provides additional
* elasticity, be aware that it also increases latency.
*
* @param[out] stream Upon success, this will be updated to contain
* a stream handle (i.e., address)
*
* @param[in] dev Device to associate with the stream
*
* @param[in] callback Callback routine to handle asynchronous events
*
* @param[out] buffers This will be updated to point to a dynamically
* allocated array of buffer pointers.
*
* @param[in] num_buffers Number of buffers to allocate and return. This
* value must >= the `num_transfers` parameter.
*
* @param[in] format Sample data format
*
* @param[in] samples_per_buffer Size of allocated buffers, in units of
* samples Note that the physical size of the
* buffer is a function of this and the format
* parameter.
*
* @param[in] num_transfers Maximum number of transfers that may be
* in-flight simultaneously. This must be <= the
* `num_buffers` parameter.
*
* @param[in] user_data Caller-provided data that will be provided
* in stream callbacks
*
*
* @note This call should be later followed by a call to
* bladerf_deinit_stream() to avoid memory leaks.
*
* @return 0 on success,
* value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_init_stream(struct bladerf_stream **stream,
struct bladerf *dev,
bladerf_stream_cb callback,
void ***buffers,
size_t num_buffers,
bladerf_format format,
size_t samples_per_buffer,
size_t num_transfers,
void *user_data);
/**
* Begin running a stream. This call will block until the steam completes.
*
* Only 1 RX stream and 1 TX stream may be running at a time. Attempting to
* call bladerf_stream() with more than one stream per module will yield
* unexpected (and most likely undesirable) results. See the ::bladerf_stream_cb
* description for additional thread-safety caveats.
*
* @pre This function should be preceded by a call to bladerf_enable_module()
* to enable the associated RX or TX module before attempting to use
* it to stream data.
*
* @param stream A stream handle that has been successfully been initialized
* via bladerf_init_stream()
*
* @param module Module to perform streaming with
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_stream(struct bladerf_stream *stream,
bladerf_module module);
/**
* Submit a buffer to a stream from outside of a stream callback function.
* Use this only when returning BLADERF_STREAM_NO_DATA from callbacks. <b>Do
* not</b> use this function if the associated callback functions will be
* returning buffers for submission.
*
* This call may block if the device is not ready to submit a buffer for
* transfer. Use the `timeout_ms` to place an upper limit on the time this
* function can block.
*
* 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). Therefore, it is important to be aware of
* locks that may be held while making this call, especially those acquired
* during execution of the associated stream callback function. (i.e., be wary
* of the order of lock acquisitions, including the internal per-stream lock.)
*
* @param stream Stream to submit buffer to
* @param buffer Buffer to fill (RX) or containing data (TX). This buffer
* is assumed to be the size specified in the associated
* bladerf_init_stream() call.
* @param timeout_ms Milliseconds to timeout in, if this call blocks. 0
* implies an "infinite" wait.
*
* @return 0 on success, BLADERF_ERR_TIMEOUT upon a timeout, or a value from
* \ref RETCODES list on other failures
*/
API_EXPORT
int CALL_CONV bladerf_submit_stream_buffer(struct bladerf_stream *stream,
void *buffer,
unsigned int timeout_ms);
/**
* Deinitialize and deallocate stream resources.
*
* @pre Stream is no longer being used (via bladerf_submit_stream_buffer() or
* bladerf_stream() calls.)
* @post Stream is deallocated and may no longer be used.
*
* @param stream Stream to deinitialize. This function does nothing
* if stream is NULL.
*/
API_EXPORT
void CALL_CONV bladerf_deinit_stream(struct bladerf_stream *stream);
/**
* Set stream transfer timeout in milliseconds
*
* @param dev Device handle
* @param module Module to adjust
* @param timeout Timeout in milliseconds
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_set_stream_timeout(struct bladerf *dev,
bladerf_module module,
unsigned int timeout);
/**
* Get transfer timeout in milliseconds
*
* @param[in] dev Device handle
* @param[in] module Module to adjust
* @param[out] timeout On success, updated with current transfer
* timeout value. Undefined on failure.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_stream_timeout(struct bladerf *dev,
bladerf_module module,
unsigned int *timeout);
/** @} (End of FN_DATA_ASYNC) */
/**
* @defgroup FN_DATA_SYNC Synchronous data transmission and reception
*
* The synchronous interface is built atop the asynchronous interface, and is
* generally less complex and easier to work with. It alleviates the need to
* explicitly spawn threads (it is done under the hood) and manually manage
* sample buffers.
*
* Under the hood, this interface spawns worker threads to handle an
* asynchronous stream and perform thread-safe buffer management.
*
* Below is the general process for using this interface:
*
* @code{.c}
*
* // ...
*
* int status;
* int16_t *buffer;
* const size_t num_samples = 4096;
*
* // ...
*
* // Allocate a sample buffer.
* // Note that 4096 samples = 4096 int16_t IQ pairs = 2 * 4096 int16_t values
* buffer = malloc(num_samples * 2 * sizeof(int16_t));
* if (buffer == NULL) {
* perror("malloc");
* return BLADERF_ERR_MEM;
* }
*
* // Configure the device's RX module for use with the sync interface
* status = bladerf_sync_config(dev, BLADERF_MODULE_RX, BLADERF_FORMAT_SC16_Q11,
* 64, 16384, 16, 3500);
*
* if (status != 0) {
* fprintf(stderr, "Failed to configure sync interface: %s\n",
* bladerf_strerror(status));
* return status;
* }
*
* // We must always enable the RX module before attempting to RX samples
* status = bladerf_enable_module(dev, BLADERF_MODULE_RX, true);
* if (status != 0) {
* fprintf(stderr, "Failed to enable RX module: %s\n",
* bladerf_strerror(status));
* return status;
* }
*
* // Receive samples and do work on them.
* while (status == 0 && !done) {
* status = bladerf_sync_rx(dev, buffer, num_samples, NULL, 3500);
* if (status == 0) {
* done = do_work(buffer, num_samples);
* } else {
* fprintf(stderr, "Failed to RX samples: %s\n",
* bladerf_strerror(status));
* }
* }
*
* // Disable RX module, shutting down our underlying RX stream
* status = bladerf_enable_module(dev, BLADERF_MODULE_RX, false);
* if (status != 0) {
* fprintf(stderr, "Failed to disable RX module: %s\n",
* bladerf_strerror(status));
* }
*
* // Free up our resources
* free(buffer);
*
* @endcode
*
* To run in a full-duplex mode of operation, one must simply add another call
* to bladerf_sync_config() for the BLADERF_MODULE_TX module, enable the TX
* module via bladerf_enable_module(), and then make calls to bladerf_sync_tx().
*
* These functions are thread-safe.
*
* @{
*/
/**
* (Re)Configure a device for synchronous transmission or reception
*
* This function sets up the device for the specified format and initializes
* the underlying asynchronous stream parameters
*
* This function does not call bladerf_enable_module(). The API user is
* responsible for enabling/disable modules when desired.
*
* Note that (re)configuring BLADERF_MODULE_TX does not affect the
* BLADERF_MODULE_RX modules, and vice versa. This call configures each module
* independently.
*
* Memory allocated by this function will be deallocated when bladerf_close()
* is called.
*
* See the bladerf_init_stream() documentation for information on determining
* appropriate values for `buffers_size`, `num_transfers`, and `stream_timeout`.
* The `num_buffers` parameter should generally be increased as the amount of
* work done between bladerf_sync_rx() or bladerf_sync_tx() calls increases.
*
* @param dev Device to configure
*
* @param module Module to use with synchronous interface
*
* @param format Format to use in synchronous data transfers
*
* @param num_buffers The number of buffers to use in the underlying
* data stream. This must be greater than the
* `num_xfers` parameter.
*
* @param buffer_size The size of the underlying stream buffers, in
* samples. This value must be a multiple of 1024.
* Note that samples are only transferred when a buffer
* of this size is filled.
*
* @param num_transfers The number of active USB transfers that may be
* in-flight at any given time. If unsure of what
* to use here, try values of 4, 8, or 16.
*
* @param stream_timeout Timeout (milliseconds) for transfers in the
* underlying data stream.
*
* @return 0 on success,
* BLADERF_ERR_UNSUPPORTED if libbladeRF is not built with support
* for this functionality,
* or a value from \ref RETCODES list on failures.
*/
API_EXPORT
int CALL_CONV bladerf_sync_config(struct bladerf *dev,
bladerf_module module,
bladerf_format format,
unsigned int num_buffers,
unsigned int buffer_size,
unsigned int num_transfers,
unsigned int stream_timeout);
/**
* Transmit IQ samples.
*
* Under the hood, this call starts up an underlying asynchronous stream as
* needed. This stream can be stopped by disabling the TX module. (See
* bladerf_enable_module for more details.)
*
* Samples will only be sent to the FPGA when a buffer have been filled. The
* number of samples required to fill a buffer corresponds to the `buffer_size`
* parameter passed to bladerf_sync_config().
*
* @param[in] dev Device handle
* @param[in] samples Array of samples
* @param[in] num_samples Number of samples to write
* @param[in] metadata Sample metadata. (Currently not used.)
* @param[in] timeout_ms Timeout (milliseconds) for this call to complete.
* Zero implies "infinite."
*
* @pre A bladerf_sync_config() call has been to configure the device for
* synchronous data transfer.
*
* @pre A call to bladerf_enable_module() should be made before attempting to
* transmit samples. Failing to do this may result in timeouts and other
* errors.
*
* @return 0 on success,
* BLADERF_ERR_UNSUPPORTED if libbladeRF is not built with support
* for this functionality,
* or a value from \ref RETCODES list on failures.
*/
API_EXPORT
int CALL_CONV bladerf_sync_tx(struct bladerf *dev,
void *samples, unsigned int num_samples,
struct bladerf_metadata *metadata,
unsigned int timeout_ms);
/**
* Receive IQ samples.
*
* Under the hood, this call starts up an underlying asynchronous stream as
* needed. This stream can be stopped by disabling the RX module. (See
* bladerf_enable_module for more details.)
*
* @param[in] dev Device handle
*
* @param[out] samples Buffer to store samples in. The caller is
* responsible for ensuring this buffer is sufficiently
* large for the number of samples requested,
* considering the size of the sample format being
* used.
*
* @param[in] num_samples Number of samples to read
*
* @param[out] metadata Sample metadata. Currently not used. Pass NULL.
*
* @param[in] timeout_ms Timeout (milliseconds) for this call to complete.
* Zero implies "infinite."
*
* @pre A bladerf_sync_config() call has been to configure the device for
* synchronous data transfer.
*
* @pre A call to bladerf_enable_module() should be made before attempting to
* receive samples. Failing to do this may result in timeouts and other
* errors.
*
*
* @return 0 on success,
* BLADERF_ERR_UNSUPPORTED if libbladeRF is not built with support
* for this functionality,
* or a value from \ref RETCODES list on failures.
*/
API_EXPORT
int CALL_CONV bladerf_sync_rx(struct bladerf *dev,
void *samples, unsigned int num_samples,
struct bladerf_metadata *metadata,
unsigned int timeout_ms);
/** @} (End of FN_DATA_SYNC) */
/**
* @defgroup FN_INFO Device info
*
* These functions provide the ability to query various pieces of information
* from an attached device. They are thread-safe.
*
* @{
*/
/**
* Version structure for FPGA, firmware, libbladeRF, and associated utilities
*/
struct bladerf_version {
uint16_t major; /**< Major version */
uint16_t minor; /**< Minor version */
uint16_t patch; /**< Patch version */
const char *describe; /**< Version string with any additional suffix
* information.
*
* @warning Do not attempt to modify or
* free() this string. */
};
/**
* FPGA device variant (size)
*/
typedef enum {
BLADERF_FPGA_UNKNOWN = 0, /**< Unable to determine FPGA variant */
BLADERF_FPGA_40KLE = 40, /**< 40 kLE FPGA */
BLADERF_FPGA_115KLE = 115 /**< 115 kLE FPGA */
} bladerf_fpga_size;
/**
* Query a device's serial number
*
* @param[in] dev Device handle
* @param[out] serial Will be updated with serial number. If an error occurs,
* no data will be written to this pointer.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_serial(struct bladerf *dev, char *serial);
/**
* Query a device's VCTCXO calibration trim
*
* @param[in] dev Device handle
* @param[out] trim Will be updated with the factory DAC trim value. If an
* error occurs, no data will be written to this pointer.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_vctcxo_trim(struct bladerf *dev, uint16_t *trim);
/**
* Query a device's FPGA size
*
* @param[in] dev Device handle
* @param[out] size Will be updated with the on-board FPGA's size. If an
* error occurs, no data will be written to this pointer.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_fpga_size(struct bladerf *dev,
bladerf_fpga_size *size);
/**
* Query firmware version
*
* @param[in] dev Device handle
* @param[out] version Updated to contain firmware version
*
* @return 0 on success, value from \ref RETCODES list upon failing to retrieve
* this information from the device.
*/
API_EXPORT
int CALL_CONV bladerf_fw_version(struct bladerf *dev,
struct bladerf_version *version);
/**
* Check FPGA configuration status
*
* @param dev Device handle
*
* @return 1 if FPGA is configured,
* 0 if it is not,
* and value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_is_fpga_configured(struct bladerf *dev);
/**
* Query FPGA version
*
* @param[in] dev Device handle
* @param[out] version Updated to contain firmware version
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_fpga_version(struct bladerf *dev,
struct bladerf_version *version);
/**
* Obtain the bus speed at which the device is operating
*
* @param dev Device handle
* @return speed Device speed
*/
API_EXPORT
bladerf_dev_speed CALL_CONV bladerf_device_speed(struct bladerf *dev);
/** @} (End FN_INFO) */
/**
* @defgroup FN_PROG Device loading and programming
*
* These functions provide the ability to load and program devices
* on the bladeRF board. They are thread-safe.
*
* @{
*/
/**
* Write FX3 firmware to the bladeRF's SPI flash
*
* @note This will require a power cycle to take effect
*
* @param dev Device handle
* @param firmware Full path to firmware file
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_flash_firmware(struct bladerf *dev,
const char *firmware);
/**
* Load device's FPGA. Note that this FPGA configuration will be reset
* at the next power cycle.
*
* @param dev Device handle
* @param fpga Full path to FPGA bitstream
*
* @return 0 upon successfully, or a value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_load_fpga(struct bladerf *dev, const char *fpga);
/**
* 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
* FPGA "autoloading").
*
* @param dev Device handle
* @param fpga_image Full path to FPGA file
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_flash_fpga(struct bladerf *dev,
const char *fpga_image);
/**
* Erase the FPGA region of SPI flash, effectively disabling FPGA autoloading
*
* @param dev Device handle
*/
API_EXPORT
int CALL_CONV bladerf_erase_stored_fpga(struct bladerf *dev);
/**
* Reset the device, causing it to reload its firmware from flash
*
* @param dev Device handle
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_device_reset(struct bladerf *dev);
/**
* Jump to FX3 bootloader
*
* @param dev Device handle
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_jump_to_bootloader(struct bladerf *dev);
/** @} (End of FN_PROG) */
/**
* @defgroup FN_MISC Miscellaneous
* @{
*/
/**
* Severity levels for logging functions
*/
typedef enum {
BLADERF_LOG_LEVEL_VERBOSE, /**< Verbose level logging */
BLADERF_LOG_LEVEL_DEBUG, /**< Debug level logging */
BLADERF_LOG_LEVEL_INFO, /**< Information level logging */
BLADERF_LOG_LEVEL_WARNING, /**< Warning level logging */
BLADERF_LOG_LEVEL_ERROR, /**< Error level logging */
BLADERF_LOG_LEVEL_CRITICAL, /**< Fatal error level logging */
BLADERF_LOG_LEVEL_SILENT /**< No output */
} bladerf_log_level;
/**
* Obtain a textual description of a value from the \ref RETCODES list
*
* @warning Do not attempt to modify the returned string.
*
* @param error Error value to look up
* @return Error string
*/
API_EXPORT
const char * CALL_CONV bladerf_strerror(int error);
/**
* Get libbladeRF version information
*
* @param[out] version libbladeRF version information
*/
API_EXPORT
void CALL_CONV bladerf_version(struct bladerf_version *version);
/**
* Sets the filter level for displayed log messages. Messages that are at or
* above the specified log level will be printed, while messages with a lower
* log level will be suppressed.
*
* @param level The new log level filter value
*/
API_EXPORT
void CALL_CONV bladerf_log_set_verbosity(bladerf_log_level level);
/** @} (End of FN_MISC) */
/**
* @defgroup FN_IMAGE Flash image format
*
* This section contains a file format and associated routines for storing
* and loading flash contents with metadata.
*
* @{
*/
/** Type of data stored in a flash image */
typedef enum {
BLADERF_IMAGE_TYPE_INVALID = -1, /**< Used to denote invalid value */
BLADERF_IMAGE_TYPE_RAW, /**< Misc. raw data */
BLADERF_IMAGE_TYPE_FIRMWARE, /**< Firmware data */
BLADERF_IMAGE_TYPE_FPGA_40KLE, /**< FPGA bitstream for 40 KLE device */
BLADERF_IMAGE_TYPE_FPGA_115KLE, /**< FPGA bitstream for 115 KLE device */
BLADERF_IMAGE_TYPE_CALIBRATION, /**< Board calibration */
BLADERF_IMAGE_TYPE_RX_DC_CAL, /**< RX DC offset calibration table */
BLADERF_IMAGE_TYPE_TX_DC_CAL, /**< TX DC offset calibration table */
BLADERF_IMAGE_TYPE_RX_IQ_CAL, /**< RX IQ balance calibration table */
BLADERF_IMAGE_TYPE_TX_IQ_CAL, /**< TX IQ balance calibration table */
} bladerf_image_type;
/**
* Size of the magic signature at the beginning of bladeRF image files
*/
#define BLADERF_IMAGE_MAGIC_LEN 7
/**
* Size of bladeRF flash image checksum
*/
#define BLADERF_IMAGE_CHECKSUM_LEN 32
/**
* Size of reserved region of flash image
*/
#define BLADERF_IMAGE_RESERVED_LEN 128
/**
* Image format for backing up and restoring bladeRF flash contents
*
* The on disk format generated by the bladerf_image_write function is a
* serialized version of this structure and its contents. When written to disk,
* values are converted to big-endian byte order, for ease of reading in a hex
* editor.
*
* When creating and using a bladerf_image of type BLADERF_IMAGE_TYPE_RAW,
* the address and length fields must be erase-block aligned.
*/
struct bladerf_image {
/**
* Magic value used to identify image file format.
*
* Note that an extra character is added to store a NUL-terminator,
* to allow this field to be printed. This NUL-terminator is *NOT*
* written in the serialized image.
*/
char magic[BLADERF_IMAGE_MAGIC_LEN + 1];
/**
* SHA256 checksum of the flash image. This is computed over the entire
* image, with this field filled with 0's.
*/
uint8_t checksum[BLADERF_IMAGE_CHECKSUM_LEN];
/**
* Image format version. Only the major, minor, and patch fields are
* written to the disk; the describe field is not used. The version is
* serialized as: [major | minor | patch]
*/
struct bladerf_version version;
/** UTC image timestamp, in seconds since the Unix Epoch */
uint64_t timestamp;
/**
* Serial number of the device that the image was obtained from. This
* field should be all '\0' if irrelevant.
*
* Note that an extra character is added to store a NUL-terminator,
* to allow this field to be printed. This NUL-terminator is *NOT*
* written in the serialized image.
*/
char serial[BLADERF_SERIAL_LENGTH + 1];
/**
* Reserved for future metadata. Should be 0's.
*/
char reserved[BLADERF_IMAGE_RESERVED_LEN];
/**
* Type of data contained in the image. Serialized as a uint32_t.
*/
bladerf_image_type type;
/**
* Address of the flash data in this image. A value of 0xffffffff
* implies that this field is left unspecified (i.e., "don't care").
*/
uint32_t address;
/** Length of the data contained in the image */
uint32_t length;
/** Image data */
uint8_t *data;
};
/**
* Allocate and initialize an image structure.
*
* This following bladerf_image fields are populated: `magic`, `version`,
* `timestamp`, `type`, `address`, and `length`
*
* The following bladerf_image fields are zeroed out: `checksum`, `serial`, and
* `reserved`,
*
* If the `length` parameter is not 0, the bladerf_image `data` field will be
* dynamically allocated. Otherwise, `data` will be set to NULL.
*
* @note A non-zero `lenth` should be use only with bladerf_image_write();
* bladerf_image_read() allocates and sets `data` based upon size of the image
* contents, and does not attempt to free() the `data` field before setting it.
*
* The `address` and `length` fields should be set 0 when reading an image from
* a file.
*
* @return Pointer to allocated and initialized structure on success,
* NULL on memory allocation failure or invalid address/length.
*/
API_EXPORT
struct bladerf_image * CALL_CONV bladerf_alloc_image(bladerf_image_type type,
uint32_t address,
uint32_t length);
/**
* Create a flash image initialized to contain a calibration data region.
* This is intended to be used in conjunction with bladerf_image_write(),
* or a write of the image's `data` field to flash.
*
* @param fpga_size Target FPGA size
* @param vctcxo_trim VCTCXO oscillator trim value.
*
* @return Pointer to allocated and initialized structure on success,
* NULL on memory allocation failure
*/
API_EXPORT
struct bladerf_image * CALL_CONV bladerf_alloc_cal_image(
bladerf_fpga_size fpga_size,
uint16_t vctcxo_trim);
/**
* Free a bladerf_image previously obtained via bladerf_alloc_image.
* If the bladerf_image's `data` field is non-NULL, it will be freed.
*/
API_EXPORT
void CALL_CONV bladerf_free_image(struct bladerf_image *image);
/**
* Write a flash image to a file.
*
* This function will fill in the checksum field before writing the contents to
* the specified file. The user-supplied contents of this field are ignored.
*
* @pre `image` has been initialized using bladerf_alloc_image()
* @post `image->checksum` will be populated if this function succeeds
*
* @param[in] image Flash image
* @param[in] file File to write the flash image to
*
* @return 0 upon success, or a value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_image_write(struct bladerf_image *image,
const char *file);
/**
* Read flash image from a file.
*
* @param[out] image Flash image structure to populate.
*
* @param[in] file File to read image from.
*
* @pre The `image` parameter has been obtained via a call to
* bladerf_alloc_image(), with a `length` of 0.
*
* @post The `image` fields will be populated upon success, overwriting
* any previous values.
*
* @note The contents of the `image` paramater should not be used if this
* function fails.
*
*
* @return 0 upon success,<br>
* BLADERF_ERR_CHECKSUM upon detecting a checksum mismatch,<br>
* BLADERF_ERR_INVAL if any image fields are invalid,<br>
* BLADERF_ERR_IO on a file I/O error,<br>
* or a value from \ref RETCODES list on any other failure<br>
*/
API_EXPORT
int CALL_CONV bladerf_image_read(struct bladerf_image *image, const char *file);
/** @} (End of FN_IMAGE) */
/**
* @defgroup LOW_LEVEL Low-level development and testing routines
*
* In a most cases, higher-level routines should be used. These routines are
* only intended to support development and testing.
*
* Use these routines with great care, and be sure to reference the relevant
* schematics, data sheets, and source code (i.e., firmware and hdl).
*
* Be careful when mixing these calls with higher-level routines that manipulate
* the same registers/settings.
*
* These functions are thread-safe.
*
* @{
*/
/**
* Read a Si5338 register
*
* @param dev Device handle
* @param address Si5338 register offset
* @param val Pointer to variable the data should be read into
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_si5338_read(struct bladerf *dev,
uint8_t address, uint8_t *val);
/**
* Write a Si5338 register
*
* @param dev Device handle
* @param address Si5338 register offset
* @param val Data to write to register
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_si5338_write(struct bladerf *dev,
uint8_t address, uint8_t val);
/**
* Set frequency for TX clocks
*
* @param dev Device handle
* @param freq Desired TX frequency in Hz
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_si5338_set_tx_freq(struct bladerf *dev, unsigned freq);
/**
* Set frequency for RX clocks
*
* @param dev Device handle
* @param freq Desired RX frequency in Hz
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_si5338_set_rx_freq(struct bladerf *dev, unsigned freq);
/**
* This structure is used to directly apply DC calibration register values to
* the LMS, rather than use the values resulting from an auto-calibration.
*
* A value < 0 is used to denote that the specified value should not
* be written. If a value is to be written, it will be truncated to 8-bits.
*/
struct bladerf_lms_dc_cals
{
int16_t lpf_tuning; /**< LPF tuning module */
int16_t tx_lpf_i; /**< TX LPF I filter */
int16_t tx_lpf_q; /**< TX LPF Q filter */
int16_t rx_lpf_i; /**< RX LPF I filter */
int16_t rx_lpf_q; /**< RX LPF Q filter */
int16_t dc_ref; /**< RX VGA2 DC reference module */
int16_t rxvga2a_i; /**< RX VGA2, I channel of first gain stage */
int16_t rxvga2a_q; /**< RX VGA2, Q channel of first gain stage */
int16_t rxvga2b_i; /**< RX VGA2, I channel of second gain stage */
int16_t rxvga2b_q; /**< RX VGA2, Q channel of second gain stage */
};
/**
* Read a LMS register
*
* @param dev Device handle
* @param address LMS register offset
* @param val Pointer to variable the data should be read into
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_lms_read(struct bladerf *dev,
uint8_t address, uint8_t *val);
/**
* Write a LMS register
*
* @param dev Device handle
* @param address LMS register offset
* @param val Data to write to register
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_lms_write(struct bladerf *dev,
uint8_t address, uint8_t val);
/**
* Manually load values into LMS6002 DC calibration registers.
*
* This is generally intended for applying a set of known values resulting from
* a previous run of the LMS autocalibrations.
*
* @param dev Device handle
* @param dc_cals Calibration values to load. Values set to <0 will
* not be applied.
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_lms_set_dc_cals(struct bladerf *dev,
const struct bladerf_lms_dc_cals *dc_cals);
/**
* Retrieve the current DC calibration values from the LMS6002
*
* @param[in] dev Device handle
* @param[out] dc_cals Populated with current values
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_lms_get_dc_cals(struct bladerf *dev,
struct bladerf_lms_dc_cals *dc_cals);
/**
* Enable LMS receive
*
* @note This bit is set/cleared by bladerf_enable_module()
*/
#define BLADERF_GPIO_LMS_RX_ENABLE (1 << 1)
/**
* Enable LMS transmit
*
* @note This bit is set/cleared by bladerf_enable_module()
*/
#define BLADERF_GPIO_LMS_TX_ENABLE (1 << 2)
/**
* Switch to use TX low band (300MHz - 1.5GHz)
*
* @note This is set using bladerf_set_frequency().
*/
#define BLADERF_GPIO_TX_LB_ENABLE (2 << 3)
/**
* Switch to use TX high band (1.5GHz - 3.8GHz)
*
* @note This is set using bladerf_set_frequency().
*/
#define BLADERF_GPIO_TX_HB_ENABLE (1 << 3)
/**
* Switch to use RX low band (300M - 1.5GHz)
*
* @note This is set using bladerf_set_frequency().
*/
#define BLADERF_GPIO_RX_LB_ENABLE (2 << 5)
/**
* Switch to use RX high band (1.5GHz - 3.8GHz)
*
* @note This is set using bladerf_set_frequency().
*/
#define BLADERF_GPIO_RX_HB_ENABLE (1 << 5)
/**
* This GPIO bit configures the FPGA to use smaller DMA
* transfers (256 cycles instead of 512). This is required
* when the device is not connected at Super Speed (i.e., when
* it is connected at High Speed).
*
* However, the caller need not set this in gpio_set() calls.
* The library will set this as needed; callers generally
* do not need to be concerned with setting/clearing this bit.
*/
#define BLADERF_GPIO_FEATURE_SMALL_DMA_XFER (1 << 7)
/**
* Read a configuration GPIO register
*
* @param dev Device handle
* @param val Pointer to variable the data should be read into
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_config_gpio_read(struct bladerf *dev, uint32_t *val);
/**
* Write a configuration GPIO register. Callers should be sure to perform a
* read-modify-write sequence to avoid accidentally clearing other
* GPIO bits that may be set by the library internally.
*
* @param dev Device handle
* @param val Data to write to GPIO register
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_config_gpio_write(struct bladerf *dev, uint32_t val);
/**
* Read a expansion GPIO register
*
* @param dev Device handle
* @param val Pointer to variable the data should be read into
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_expansion_gpio_read(struct bladerf *dev, uint32_t *val);
/**
* Write a expansion GPIO register. Callers should be sure to perform a
* read-modify-write sequence to avoid accidentally clearing other
* GPIO bits that may be set by the library internally.
*
* @param dev Device handle
* @param val Data to write to GPIO register
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_expansion_gpio_write(struct bladerf *dev, uint32_t val);
/**
* Read a expansion GPIO direction register
*
* @param dev Device handle
* @param val Pointer to variable the data should be read into
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_expansion_gpio_dir_read(struct bladerf *dev,
uint32_t *val);
/**
* Write a expansion GPIO direction register. Callers should be sure to perform
* a read-modify-write sequence to avoid accidentally clearing other
* GPIO bits that may be set by the library internally.
*
* @param dev Device handle
* @param val Data to write to GPIO register
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_expansion_gpio_dir_write(struct bladerf *dev,
uint32_t val);
/**
* Retrieve the current timestamp counter value from the FPGA
*
* @param dev Device handle
* @param mod Module to perform streaming with
* @param value Pointer to variable the data should be read into
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_get_timestamp(struct bladerf *dev, bladerf_module mod,
uint64_t *value);
/**
* Write value to VCTCXO DAC
*
* @param dev Device handle
* @param val Data to write to DAC register
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_dac_write(struct bladerf *dev, uint16_t val);
/**
* Write value to secondary XB SPI
*
* @param dev Device handle
* @param val Data to write to XB SPI
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_xb_spi_write(struct bladerf *dev, uint32_t val);
/**
* Perform DC calibration
*
* @param dev Device handle
* @param module Module to calibrate
*
* @return 0 on success, value from \ref RETCODES list on failure
*/
API_EXPORT
int CALL_CONV bladerf_calibrate_dc(struct bladerf *dev,
bladerf_cal_module module);
/** @} (End of LOW_LEVEL) */
/**
* @defgroup FN_FLASH Low-level flash routines
*
* These routines provide the ability to manipulate the device's SPI flash.
* Most users will find no reason to use these, as higher-level functions
* perform flash accesses under the hood.
*
* These routines are not recommended for use other than testing, development,
* and significant customization of the bladeRF platform (which would require
* firmware and libbladeRF changes).
*
* Use of these functions requires an understanding of the underlying SPI
* flash device, and the bladeRF's flash memory map. Be sure to review the
* following page and the associated flash datasheet before using these
* functions:
* https://github.com/nuand/bladeRF/wiki/FX3-Firmware#spi-flash-layout
*
* These functions are thread-safe.
*
* @{
*/
/** Total size of bladeRF SPI flash, in bytes */
#define BLADERF_FLASH_TOTAL_SIZE (4 * 1024 * 1024)
/** SPI flash page size, in bytes */
#define BLADERF_FLASH_PAGE_SIZE 256
/** SPI flash 64KiB erase block size, in bytes */
#define BLADERF_FLASH_EB_SIZE (64 * 1024)
/** Size of the SPI flash, in pages */
#define BLADERF_FLASH_NUM_PAGES \
(BLADERF_FLASH_TOTAL_SIZE / BLADERF_FLASH_PAGE_SIZE)
/** Size of the SPI flash, in 64KiB erase blocks */
#define BLADERF_FLASH_NUM_EBS \
(BLADERF_FLASH_TOTAL_SIZE / BLADERF_FLASH_EB_SIZE)
/** Convert byte addresses to units of flash pages */
#define BLADERF_FLASH_TO_PAGES(bytes) ((bytes) / BLADERF_FLASH_PAGE_SIZE)
/** Convert byte addresses to units of flash erase blocks */
#define BLADERF_FLASH_TO_EB(bytes) ((bytes) / BLADERF_FLASH_EB_SIZE)
/** Byte address of FX3 firmware */
#define BLADERF_FLASH_ADDR_FIRMWARE 0x00000000
/** Flash page where FX3 firmware starts */
#define BLADERF_FLASH_PAGE_FIRMWARE \
(BLADERF_FLASH_TO_PAGES(BLADERF_FLASH_ADDR_FIRMWARE))
/** Flash erase block where FX3 firmware starts */
#define BLADERF_FLASH_EB_FIRMWARE \
(BLADERF_FLASH_TO_EB(BLADERF_FLASH_ADDR_FIRMWARE))
/** Length of firmware region of flash, in bytes */
#define BLADERF_FLASH_BYTE_LEN_FIRMWARE 0x00030000
/** Length of firmware region of flash, in pages */
#define BLADERF_FLASH_PAGE_LEN_FIRMWARE \
(BLADERF_FLASH_TO_PAGES(BLADERF_FLASH_BYTE_LEN_FIRMWARE))
/** Length of firmware region of flash, in erase blocks */
#define BLADERF_FLASH_EB_LEN_FIRMWARE \
(BLADERF_FLASH_TO_EB(BLADERF_FLASH_BYTE_LEN_FIRMWARE))
/** Byte address of calibration data region */
#define BLADERF_FLASH_ADDR_CAL 0x00030000
/** Flash page where calibration data starts */
#define BLADERF_FLASH_PAGE_CAL (BLADERF_FLASH_TO_PAGES(BLADERF_FLASH_ADDR_CAL))
/** Flash erase block where calibration data starts */
#define BLADERF_FLASH_EB_CAL (BLADERF_FLASH_TO_EB(BLADERF_FLASH_ADDR_CAL))
/** Length of calibration data, in bytes */
#define BLADERF_FLASH_BYTE_LEN_CAL 0x100
/** Length of calibration data, in pages */
#define BLADERF_FLASH_PAGE_LEN_CAL \
(BLADERF_FLASH_TO_PAGES(FLASH_BYTE_LEN_CAL))
/**
* Length of calibration data, in erase blocks. This is a special case,
* as the entire remainder of the erase block is reserved for future calibration
* data use. When updating calibration data, the whole block will be erased,
* even though the current firmware only uses one page of it. */
#define BLADERF_FLASH_EB_LEN_CAL 1
/**
* Byte address of of the autoloaded FPGA and associated metadata.
* The first page is allocated for metadata, and the FPGA bitstream resides
* in the following pages.
*/
#define BLADERF_FLASH_ADDR_FPGA 0x00040000
/** Flash page where FPGA metadata and bitstream start */
#define BLADERF_FLASH_PAGE_FPGA \
(BLADERF_FLASH_TO_PAGES(BLADERF_FLASH_ADDR_FPGA))
/** Flash erase block where FPGA metadata and bitstream start */
#define BLADERF_FLASH_EB_FPGA \
(BLADERF_FLASH_TO_EB(BLADERF_FLASH_ADDR_FPGA))
/** Length of entire FPGA region, including both metadata and bitstream. */
#define BLADERF_FLASH_BYTE_LEN_FPGA 0x00370000
/** Length of entire FPGA region, in units of erase blocks */
#define BLADERF_FLASH_EB_LEN_FPGA \
(BLADERF_FLASH_TO_EB(BLADERF_FLASH_BYTE_LEN_FPGA))
/**
* Erase regions of the bladeRF's SPI flash
*
* This function operates in units of 64KiB erase blocks
*
* @param dev Device handle
* @param erase_block Erase block to start erasing at
* @param count Number of blocks to erase.
*
* @return 0 on success, or BLADERF_ERR_INVAL on an invalid `erase_block` or
* `count` value, or a value from \ref RETCODES list on other failures
*/
API_EXPORT
int CALL_CONV bladerf_erase_flash(struct bladerf *dev,
uint32_t erase_block, uint32_t count);
/**
* Read data from the bladeRF's SPI flash
*
* This function operates in units of 256-byte pages.
*
* @param dev Device handle
* @param buf Buffer to read data into. Must be
* `count` * BLADERF_FLASH_PAGE_SIZE bytes or larger.
*
* @param page Page to begin reading from
* @param count Number of pages to read
*
* @return 0 on success, or BLADERF_ERR_INVAL on an invalid `page` or
* `count` value, or a value from \ref RETCODES list on other failures.
*/
API_EXPORT
int CALL_CONV bladerf_read_flash(struct bladerf *dev, uint8_t *buf,
uint32_t page, uint32_t count);
/**
* Write data to the bladeRF's SPI flash device
*
* @param dev Device handle
* @param buf Data to write to flash. Must be
* `page` * BLADERF_FLASH_PAGE_SIZE bytes or larger.
*
* @param page Page to begin writing at
* @param count
*
* @return 0 on success, or BLADERF_ERR_INVAL on an invalid `page` or
* `count` value, or a value from \ref RETCODES list on other failures.
*/
API_EXPORT
int CALL_CONV bladerf_write_flash(struct bladerf *dev, const uint8_t *buf,
uint32_t page, uint32_t count);
/** @} (End of FN_FLASH) */
#ifdef __cplusplus
}
#endif
#endif /* BLADERF_H_ */
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