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Diffstat (limited to 'usrp2/host/lib/usrp2_impl.h')
| -rw-r--r-- | usrp2/host/lib/usrp2_impl.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/usrp2/host/lib/usrp2_impl.h b/usrp2/host/lib/usrp2_impl.h new file mode 100644 index 000000000..37109c9e3 --- /dev/null +++ b/usrp2/host/lib/usrp2_impl.h @@ -0,0 +1,133 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 Free Software Foundation, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef INCLUDED_USRP2_IMPL_H +#define INCLUDED_USRP2_IMPL_H + +#include <usrp2/usrp2.h> +#include <usrp2/data_handler.h> +#include <usrp2_eth_packet.h> +#include <boost/scoped_ptr.hpp> +#include "control.h" +#include "ring.h" +#include <string> + +namespace usrp2 { + + class eth_buffer; + class pktfilter; + class usrp2_thread; + class usrp2_tune_result; + class pending_reply; + class ring; + + class usrp2::impl : private data_handler + { + static const size_t NRIDS = 256; + static const size_t NCHANS = 32; + + eth_buffer *d_eth_buf; + pktfilter *d_pf; + std::string d_addr; // FIXME: use u2_mac_addr_t instead + usrp2_thread *d_bg_thread; + volatile bool d_bg_running; // TODO: multistate if needed + + int d_rx_decim; + int d_rx_seqno; + int d_tx_seqno; + int d_next_rid; + unsigned int d_num_rx_frames; + unsigned int d_num_rx_missing; + unsigned int d_num_rx_overruns; + unsigned int d_num_rx_bytes; + + unsigned int d_num_enqueued; + omni_mutex d_enqueued_mutex; + omni_condition d_bg_pending_cond; + + // all pending_replies are stack allocated, thus no possibility of leaking these + pending_reply *d_pending_replies[NRIDS]; // indexed by 8-bit reply id + + std::vector<ring_sptr> d_channel_rings; // indexed by 5-bit channel number + + void inc_enqueued() { + omni_mutex_lock l(d_enqueued_mutex); + d_num_enqueued++; + } + + void dec_enqueued() { + omni_mutex_lock l(d_enqueued_mutex); + if (--d_num_enqueued == 0) + d_bg_pending_cond.signal(); + } + + static bool parse_mac_addr(const std::string &s, u2_mac_addr_t *p); + void init_et_hdrs(u2_eth_packet_t *p, const std::string &dst); + void init_etf_hdrs(u2_eth_packet_t *p, const std::string &dst, + int word0_flags, int chan, uint32_t timestamp); + void stop_bg(); + void init_config_rx_v2_cmd(op_config_rx_v2_cmd *cmd); + void init_config_tx_v2_cmd(op_config_tx_v2_cmd *cmd); + bool transmit_cmd(void *cmd, size_t len, pending_reply *p, double secs=0.0); + virtual data_handler::result operator()(const void *base, size_t len); + data_handler::result handle_control_packet(const void *base, size_t len); + data_handler::result handle_data_packet(const void *base, size_t len); + + public: + impl(const std::string &ifc, props *p); + ~impl(); + + void bg_loop(); + + std::string mac_addr() const { return d_addr; } // FIXME: convert from u2_mac_addr_t + bool burn_mac_addr(const std::string &new_addr); + + bool set_rx_gain(double gain); + bool set_rx_center_freq(double frequency, tune_result *result); + bool set_rx_decim(int decimation_factor); + bool set_rx_scale_iq(int scale_i, int scale_q); + bool start_rx_streaming(unsigned int channel, unsigned int items_per_frame); + bool rx_samples(unsigned int channel, rx_sample_handler *handler); + bool stop_rx_streaming(unsigned int channel); + unsigned int rx_overruns() const { return d_num_rx_overruns; } + unsigned int rx_missing() const { return d_num_rx_missing; } + + bool set_tx_gain(double gain); + bool set_tx_center_freq(double frequency, tune_result *result); + bool set_tx_interp(int interpolation_factor); + bool set_tx_scale_iq(int scale_i, int scale_q); + + bool tx_complex_float(unsigned int channel, + const std::complex<float> *samples, + size_t nsamples, + const tx_metadata *metadata); + + bool tx_complex_int16(unsigned int channel, + const std::complex<int16_t> *samples, + size_t nsamples, + const tx_metadata *metadata); + + bool tx_raw(unsigned int channel, + const uint32_t *items, + size_t nitems, + const tx_metadata *metadata); + }; + +} // namespace usrp2 + +#endif /* INCLUDED_USRP2_IMPL_H */ |