diff options
Diffstat (limited to 'host/include')
| -rw-r--r-- | host/include/uhd/rfnoc/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | host/include/uhd/rfnoc/defaults.hpp | 1 | ||||
| -rw-r--r-- | host/include/uhd/rfnoc/keep_one_in_n_block_control.hpp | 84 |
3 files changed, 86 insertions, 0 deletions
diff --git a/host/include/uhd/rfnoc/CMakeLists.txt b/host/include/uhd/rfnoc/CMakeLists.txt index 965710a59..7fd1cd21d 100644 --- a/host/include/uhd/rfnoc/CMakeLists.txt +++ b/host/include/uhd/rfnoc/CMakeLists.txt @@ -37,6 +37,7 @@ UHD_INSTALL(FILES ddc_block_control.hpp duc_block_control.hpp dmafifo_block_control.hpp + keep_one_in_n_block_control.hpp fft_block_control.hpp fir_filter_block_control.hpp fosphor_block_control.hpp diff --git a/host/include/uhd/rfnoc/defaults.hpp b/host/include/uhd/rfnoc/defaults.hpp index f96dad8a0..1b9cb5016 100644 --- a/host/include/uhd/rfnoc/defaults.hpp +++ b/host/include/uhd/rfnoc/defaults.hpp @@ -81,6 +81,7 @@ static const noc_id_t FFT_BLOCK = 0xFF700000; static const noc_id_t FIR_FILTER_BLOCK = 0xF1120000; static const noc_id_t FOSPHOR_BLOCK = 0x666F0000; static const noc_id_t LOGPWR_BLOCK = 0x4C500000; +static const noc_id_t KEEP_ONE_IN_N_BLOCK = 0x02460000; static const noc_id_t MOVING_AVERAGE_BLOCK = 0xAAD20000; static const noc_id_t RADIO_BLOCK = 0x12AD1000; static const noc_id_t REPLAY_BLOCK = 0x4E91A000; diff --git a/host/include/uhd/rfnoc/keep_one_in_n_block_control.hpp b/host/include/uhd/rfnoc/keep_one_in_n_block_control.hpp new file mode 100644 index 000000000..fc6f0511b --- /dev/null +++ b/host/include/uhd/rfnoc/keep_one_in_n_block_control.hpp @@ -0,0 +1,84 @@ +// +// Copyright 2020 Ettus Research, a National Instruments Brand +// +// SPDX-License-Identifier: GPL-3.0-or-later +// + +#pragma once + +#include <uhd/config.hpp> +#include <uhd/rfnoc/noc_block_base.hpp> +#include <uhd/types/ranges.hpp> + +namespace uhd { namespace rfnoc { + +/*! Keep One in N Block Control Class + * + * The Keep One in N block has two modes: sample mode and packet mode. + * In sample mode, the first sample is kept and then N-1 samples are dropped. + * Packet mode is similar to sample mode, except a packet of samples is kept + * and then N-1 packets are dropped. The packet size is determined automatically. + */ +class UHD_API keep_one_in_n_block_control : public noc_block_base +{ +public: + RFNOC_DECLARE_BLOCK(keep_one_in_n_block_control) + + enum class mode {SAMPLE_MODE, PACKET_MODE}; + + // Block registers + static const uint32_t REG_N_OFFSET; + static const uint32_t REG_MODE_OFFSET; + static const uint32_t REG_WIDTH_N_OFFSET; + + /*! Get the maximum supported value for N + * + * Get the maximum supported value for N for all channels + * + * \returns The maximum supported value for N + */ + virtual size_t get_max_n() const = 0; + + /*! Get the current value of N + * + * Get the current value of N + * + * \param chan The block channel + * \returns The current value of N + */ + virtual size_t get_n(const size_t chan = 0) const = 0; + + /*! Set the value of N + * + * Set the value of N. + * See set_mode() for how the value of N is interpreted + * depending on the mode. + * + * \param n The number of samples or packets to drop (minus one) + * \param chan The block channel + */ + virtual void set_n(const size_t n, const size_t chan = 0) = 0; + + /*! Get the current mode + * + * Get the current mode (sample or packet mode, see mode enum) + * + * \param chan The block channel + * \returns The current mode + */ + virtual mode get_mode(const size_t chan = 0) const = 0; + + /*! Set the mode + * + * Set the mode. + * There are two modes, sample mode (0) and packet mode (1). + * In sample mode, the block will keep 1 value and then drop N-1 values. + * In packet mode, the block will keep 1 packet and then drop N-1 packets. + * + * \param mode The mode of the block + * \param chan The block channel + */ + virtual void set_mode(const mode mode, const size_t chan = 0) = 0; +}; + +}} // namespace uhd::rfnoc |