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* rfnoc: Improve comments regarding streaming and mgmt. codeMartin Braun2022-06-103-3/+15
| | | | | This commit *only* touches comments in the code for RFNoC streaming, link management and management portal.
* docs: multi_usrp: Clarify GPIO source bank meaningMartin Braun2022-04-191-7/+10
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* utils: string: Add split string utility functionmattprost2022-04-071-0/+35
| | | | Signed-off-by: mattprost <matt.prost@ni.com>
* uhd: Replay block version 1.1michael-west2022-04-011-1/+22
| | | | | | | | | - Add ability to get current record position. - Add ability to get current play position. - Track space in play command FIFO and throw uhd::op_failed error when command requested would overflow the command FIFO. Signed-off-by: michael-west <michael.west@ettus.com>
* config: fix clang fallthrough syntaxMichael Dickens2022-04-011-1/+1
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* uhd: fix compiler macro orderingMichael Dickens2022-04-013-17/+17
| | | | Clang provides the same macros as GCC, so if we're differentiating between these compilers then we need to get the compiler checking macros in the correct order
* rfnoc: Remove redundant RFNoC block descriptionsWade Fife2022-03-314-301/+0
| | | | | | | | The block descriptions radio_1x64.yml and radio_2x64.yml are subsets of radio.yml. Similarly, axi_ram_fifo_2x64.yml and axi_ram_fifo_4x64.yml are subsets of axi_ram_fifo.yml. This commit removes the redundant YAML descriptions in favor of the parameterizable versions.
* rfnoc: Make RFNoC device port names consistentWade Fife2022-03-3110-131/+62
| | | | | | Update all USRPs to use the same names for the same port types. For example, instead of "ctrl_port" and "ctrlport" use "ctrlport". Instead "timekeeper" and "time_keeper", use "timekeeper". Etc.
* rfnoc: replay: Add ability to capture and read async infoMartin Braun2022-03-301-0/+43
| | | | | | | - Add action handlers to the replay block to store TX and RX events. - Adds two new APIs: get_{record,play}_async_metadata() to read back async info. - Add unit tests.
* docs: rfnoc: Add doxygen tag for missing parameterMartin Braun2022-03-251-0/+1
| | | | This adds a doxygen tag for the `chan` parameter in fir_filter_block_control::set_coefficients().
* rfnoc: fir filter: Add support for multiple channels to block controllerJonathon Pendlum2022-03-231-3/+4
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* host: Add power_reference_iface::sptr declarationLane Kolbly2022-03-171-0/+2
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* host: Create meta_range_t::as_monotonicLane Kolbly2022-03-141-1/+13
| | | | | | | | In order to perform certain operations (start/stop/step), meta_range_t objects must be "monotonic", meaning that the subranges composing it are sorted and non-overlapping. This commit creates a method which takes a non-monotonic meta_range_t containing no non-continuous subranges and converts it into a monotonic meta_range_t.
* host: test: Add UHD_UNITTEST_LOG_LEVEL overrideLane Kolbly2022-03-111-0/+7
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* docs: stream_args: Clarify usage of stream_args_t::channelsMartin Braun2022-03-111-15/+23
| | | | | This vector is no longer used with RFNoC devices. We remove references to X300 from the example, and instead use B210 as an example.
* rfnoc: Remove UHD3-API usagesMartin Braun2022-03-111-11/+0
| | | | | | | - rfnoc_replay_samples_from_file still had UHD3-vestiges for selecting block port and ID - The documentation for stream_args_t also included block port and ID examples
* rfnoc: Fix block buffer sizes referring to MTUWade Fife2022-03-048-17/+23
| | | | | | | In the HDL, the parameter named 'MTU' is clog2 of the size of the desired MTU. For example, when the 'MTU' parameter is 10, that means the actual MTU setting is 2**MTU or 1024. So we need to set our buffers to 2**MTU if we want them to be one MTU in size.
* docs: Improve documentation for replay blockMartin Braun2022-02-241-15/+73
| | | | | | | - Add notes on playback and record behaviour - Improve docs for play() Co-authored-by: Wade Fife <wade.fife@ettus.com>
* rfnoc: graph_utils: Add ability to declare back-edgesMartin Braun2022-02-241-1/+6
| | | | | | | rfnoc::connect_through_blocks(), unlike rfnoc_graph::connect(), did not have an argument to declare a back-edge. This patch remedies this situation by adding a skip_property_propagation argument that works exactly as with rfnoc_graph::connect().
* rfnoc: Remove references to nocscript from YAML filesMartin Braun2022-02-2322-22/+0
| | | | | The sw_iface entry in the `control` section is yet underdefined, so we can remove it from the block descriptors.
* rfnoc: Expose buffer parameters for DRAM FIFO blockWade Fife2022-02-101-0/+2
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* fpga: e31x: Add DRAM supportWade Fife2022-02-101-0/+4
| | | | | | | | | This adds DRAM support to E31x devices. Due to the size of the DDR3 memory controller, it is not enabled by default. You can include the memory controller IP in the build by adding the DRAM environment variable to your build. For example: DRAM=1 make E310_SG3
* fpga: rfnoc: Add BLANK_OUTPUT to FIR filter block's parametersJonathon Pendlum2022-02-101-0/+1
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* host: Throw exception when accessing properties with incorrect typeLane Kolbly2022-02-072-10/+26
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* host: Minor cleanups in property_tree codeLane Kolbly2022-02-072-3/+2
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* fpga: x400: Add DRAM supportWade Fife2022-02-071-0/+4
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* rfnoc: Rename and enlarge axi4_mm IO signatureWade Fife2022-02-0711-18/+17
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* uhd: Harmonize fuzzy frequency comparisonsMartin Braun2022-02-041-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Throughout UHD, we often do floating-point comparisons for frequency ranges that require resilience to floating point rounding errors. Most of the time the checks look like this: ```cpp if (fp_compare_epsilon<double>(freq) > boundary) { // ... } ``` The exception is the N320 daughterboard control, which uses a custom epsilon: ```cpp if (fp_compare_epsilon<double>(freq, RHODIUM_FREQ_COMPARE_EPSILON) > boundary) { // ... } ``` This was, for the most part, not by design, but because authors simply didn't think about which epsilon value was appropriate for the frequency comparison. This was complicated by the fact that fp_compare_epsilon previously had some issues. This patch introduces FREQ_COMPARE_EPSILON, which is a sensible default value for fp_compare_epsilon when doing frequency comparisons (note that fp_compare_delta already had such a value). Also, it introduces freq_compare_epsilon(x), which is a shorthand for fp_compare_epsilon<double>(x, FREQ_COMPARE_EPSILON). We then replace all occurrences of fp_compare_epsilon<double> which are specific to frequency checks with freq_compare_epsilon.
* math: fp_compare: Adapt fp_compare_epsilon API to actual useMartin Braun2022-02-042-32/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | UHD had an issue where the design of fp_compare_epsilon and its usage differed. In fact, the *only* usage of fp_compare_epsilon outside of unit tests was to do a fuzzy frequency comparison, and it always took a form like this: ```cpp // The argument EPSILON may be implied, i.e., using the default if (fp_compare_epsilon<double>(test_freq, EPSILON) < boundary_freq) { // ... } ``` However, the API of fp_compare_epsilon was such that it would apply DOUBLE_PRECISION_EPSILON to part of the frequency comparison, thus rendering the argument EPSILON obsolete. When the default EPSILON was used, this was OK, but only when the floating point type of fp_compare_epsilon<> was `double`, and not `float`. As an example, consider the following: ``` if (fp_compare_epsilon<double>(1e9 + x, LITTLE_EPSILON) == 1e9) { // .... } double BIG_EPSILON = x * 10; if (fp_compare_epsilon<double>(1e9 + x, BIG_EPSILON) == 1e9) { // .... } ``` If you expect the second comparison to pass even if the first failed, then you are not alone. However, that's not what UHD would do. Because of the aforementioned behaviour, it would use DOUBLE_PRECISION_EPSILON for the right hand comparison, which would fail again. Instead of fixing the instances of fp_compare_epsilon throughout UHD, this patch changes the comparison algorithm from "very close with tolerance epsilon" to "close enough with tolerance epsilon". This requires only one side to be close to the other, using its own epsilon, so the aforementioned example would always pass on the second check. However, this exposed a second bug in fp_compare_epsilon. For greater-/less-than comparisons, it would use epsilon like a delta value, i.e., it would check if a + epsilon < b - epsilon That means that if a < b, but (b-a) < 2*epsilon, this check would return "false", i.e., it would report that a >= b, which is incorrect. These operators are now changed such that they first check equality of a and b using the algorithm described in the code, and then compare the values of a and b (ignoring epsilon) directly. A unit test for this case was added.
* uhd: rfnoc: Let connect_through_blocks() return edge listMartin Braun2022-02-041-1/+8
| | | | | | This changes the return value of connect_through_blocks() from void to a list of edges. If the connection can be made, then it will now return the list of connections between the source block and port.
* rfnoc: Set the default MTU forwarding policy to ONE_TO_ONE.Martin Braun2022-02-011-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, the default was DROP. For almost all RFNoC blocks, this is not a good default. It is very easy to crash USRPs by not properly propagating the MTU. For example, the following flow graph: Radio -> DDC -> FIR -> Streamer would crash an X310 when not manually setting an spp value. The reason is: The Radio block has an output buffer of 8192 bytes, capable of handling 2044 samples per packet. However, that's too big for the Ethernet portion of the X310, which would cause the X310 to lose connection between UHD and firmware. If the FIR were configured to propagate MTU, the Host->USRP connection (which has an MTU of <= 8000) would limit the MTU on all links, and the spp value would automatically be reduced to 1996 (or less). This commit uses the post_init() feature to check the user set an MTU in the constructor, and sets it to the default if that didn't happen. This doesn't solve all problems (the new default of ONE_TO_ONE) could also be incorrect, but is a much more suitable default. As a consequence, this has a minor change in how set_mtu_forwarding_policy() can be used: It now must be called during the constructor. Before, the rule was that it may only be called once, but that could also have happened, e.g., during the first property resolution. Now, the constructor is the last time block authors can choose an MTU forwarding policy.
* rfnoc: Add post_init() method to noc_block_baseMartin Braun2022-02-011-0/+11
| | | | | | | | This method allows running a fixed set of rules to check the internal consistency of a block. This may be necessary, because blocks authors may incorrectly implement a certain design rule, and we want the ability to not start an RFNoC graph with blocks that have rule violations which we can write checks for.
* uhd: expose uhd::dict and fs_path with UHD_API_HEADERSteven Koo2022-01-312-5/+2
| | | | | | | | | | uhd::dict gets typedefed into board_eeprom_t, which is used by applications like uhd_usrp_probe, so this should be considered as part of the API. fs_path is also an API, but because of MSVC build issues it was not marked as so. Instead mark with UHD_API_HEADER. Signed-off-by: Steven Koo <steven.koo@ni.com>
* rfnoc: set UHD_API_HEADER on property_tSteven Koo2022-01-313-6/+45
| | | | | | | | | | | | UHD_API sets the visibility for the symbols. Adding UHD_API fixes casting issues seen on macOS. However this breaks Windows because UHD_API sets __declspec(dllexport) and __declspec(dllimport) which doesn't make sense for header/inline only definitions. This change adds UHD_API_HEADER to denote entrypoints for this case. It sets the visibility flags for Linux/Mac but does not set the __declspec on Windows. Signed-off-by: Steven Koo <steven.koo@ni.com>
* SPI: Implement SPI engine for x410Martin Anderseck2022-01-132-0/+61
| | | | | Add SPI Core host implementation for x410 and a discoverable feature to make it accessible.
* uhd: Fix non-standard function name macrosMartin Braun2022-01-123-7/+15
| | | | | | | | | | | | | | | | | Throughout UHD, we are using a random mix of __FUNCTION__, __func__, __PRETTY_FUNCTION__, and BOOST_CURRENT_FUNCTION. Note that the first two macros are non-standard (although many compilers understand them), and the last requires Boost. __func__ is available since C++11, but is not the best choice because the C++ standard doesn't require it to be of any specific value. We thus define UHD_FUNCTION and UHD_PRETTY_FUNCTION as portable macros. The former simply contains the undecorated function name, the latter the expanded function with full signature. As it happens, our currently supported compilers didn't have any issues using non-standard macros, so the main fix here is the removal of the Boost macros and the harmonization of the other macros.
* host: Make get_mb_controller publicLane Kolbly2022-01-111-13/+13
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* rfnoc: Add atomic item size property for RFNoC blocksLars Amsel2022-01-101-0/+1
| | | | | | | | | | | | | | | An RFNoC block (like the radio) might require a minimal number of items in each clock cycle, e.g. the radio has to process SPC (samples per cycle). Because data in RFNoC is transmitted and processed in packets, we have to make sure the items inside these packets are a multiple of the items processed in each cycle. This commit adds an atomic item size properties which is set by the radio and adapted by the streamers. The streamers adapt the SPP property of the radio block controller depending on the MTU value. This might lead to an SPP value which does not align with the SPC value of the radio block, hence we add a property resolver for the atomic item size.
* host: Add divider constructor to spi_config_tLane Kolbly2022-01-061-0/+7
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* uhd: Remove tcp_zero_copyMartin Braun2022-01-052-45/+0
| | | | | This removes the tcp_zero_copy interface, which is not supported by any USRP.
* host: Add char* overload for device_addr_tLane Kolbly2022-01-051-0/+6
| | | | | | | This allows constructing a multi_usrp using a string constant: ``` auto usrp = uhd::usrp::multi_usrp::make("type=x4xx"); ```
* host: Fix typos and small thingsLane Kolbly2021-12-091-1/+4
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* tools: Add missing fields to CHDR dissectorWade Fife2021-12-081-0/+3
| | | | | | | | | | | | - Add data packet payload field - Add metadata support - Add missing management fields (OpsPending, ExtendedInfo). - Add missing control fields (byte_enable, data, has_time) - Update offsets for management OpPayload fields. - Make the field names more consistent, readable, and consistent with the RFNoC specification. - Display value of fields in addition to name. - Fix timestamp, eob, and eov offsets
* rfnoc: Add ops pending to management opWade Fife2021-12-081-2/+10
| | | | | | The ops pending for each operation was stored implicitly in the data structure. This adds it explicitly, which is useful for debugging and packet dissection.
* docs: Improve documentation for properties and -propagationMartin Braun2021-12-034-1/+32
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* x300: Remove usage of CHDR_MAX_LEN_HDRMartin Braun2021-12-021-3/+0
| | | | | | | This constant was generally harmful, since it was only correct under certain circumstances (64 bit CHDR with timestamps). The X3x0 code was the last place it was being used, and we remove it without substitute because it was not doing anything useful here.
* rfnoc: Clarify usage of MTU vs. max payload size, remove DEFAULT_SPPMartin Braun2021-12-023-4/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These two values where being mixed up in the code. To summarize: - The MTU is the max CHDR packet size, including header & timestamp. - The max payload is the total number of bytes regular payload plus metadata that can be fit into into a CHDR packet. It is strictly smaller than the MTU. For example, for 64-bit CHDR widths, if a timestamp is desired, the max payload is 16 bytes smaller than the MTU. The other issue was that we were using a magic constant (DEFAULT_SPP) which was causing conflicts with MTUs and max payloads. This constant was harmful in multiple ways: - The explanatory comment was incorrect (it stated it would cap packets to 1500 bytes, which it didn't) - It imposed random, hardcoded values that interfered with an 'spp discovery', i.e., the ability to derive a good spp value from MTUs - The current value capped packet sizes to 8000 bytes CHDR packets, even when we wanted to use bigger ones This patch changes the following: - noc_block_base now has improved docs for MTU, and additional APIs (get_max_payload_size(), get_chdr_hdr_len()) which return the current payload size given MTU and CHDR width, and the CHDR header length. - The internally used graph nodes for TX and RX streamers also get equipped with the same new two API calls. - The radio, siggen, and replay block all where doing different calculations for their spp/ipp values. Now, they all use the max payload value to calculate spp/ipp. Unit tests where adapted accordingly. Usage of DEFAULT_SPP was removed. - The replay block used a hardcoded 16 bytes for header lengths, which was replaced by get_chdr_hdr_len() - The TX and RX streamers where discarding the MTU value and using the max payload size as the MTU, which then propagated throughout the graph. Now, both values are stored and can be used where appropriate.
* rfnoc: Add more comments to rfnoc_graphMartin Braun2021-12-011-0/+14
| | | | | This adds some more explanatory comments around active and static connections.
* host: Add ability to get time from Radio blockmichael-west2021-11-171-0/+14
| | | | | | Add API calls to Radio control to get ticks and time. Signed-off-by: michael-west <michael.west@ettus.com>
* rfnoc: Add CHDR width to make argsMartin Braun2021-11-122-1/+9
| | | | | | | This provides every block controller with a copy of its CHDR width. Note: mock blocks always get configured with a 64-bit CHDR width, to retain API compatibility.
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