diff options
Diffstat (limited to 'host/lib/usrp/b200')
| -rw-r--r-- | host/lib/usrp/b200/b200_iface.cpp | 4 | ||||
| -rw-r--r-- | host/lib/usrp/b200/b200_impl.cpp | 22 | ||||
| -rw-r--r-- | host/lib/usrp/b200/b200_impl.hpp | 11 | ||||
| -rw-r--r-- | host/lib/usrp/b200/b200_io_impl.cpp | 44 |
4 files changed, 73 insertions, 8 deletions
diff --git a/host/lib/usrp/b200/b200_iface.cpp b/host/lib/usrp/b200/b200_iface.cpp index 5d799bf01..630ce9ac6 100644 --- a/host/lib/usrp/b200/b200_iface.cpp +++ b/host/lib/usrp/b200/b200_iface.cpp @@ -301,7 +301,7 @@ public: void ad9361_transact(const unsigned char in_buff[64], unsigned char out_buff[64]) { const int bytes_to_write = 64; const int bytes_to_read = 64; - const size_t read_retries = 30; + const size_t read_retries = 10; int ret = fx3_control_write(B200_VREQ_AD9361_CTRL_WRITE, 0x00, 0x00, (unsigned char *)in_buff, bytes_to_write); if (ret < 0) @@ -311,7 +311,7 @@ public: for (size_t i = 0; i < read_retries; i++) { - ret = fx3_control_read(B200_VREQ_AD9361_CTRL_READ, 0x00, 0x00, out_buff, bytes_to_read, 1000); + ret = fx3_control_read(B200_VREQ_AD9361_CTRL_READ, 0x00, 0x00, out_buff, bytes_to_read, 3000); if (ret < 0) throw uhd::io_error((boost::format("Failed to read AD9361 (%d: %s)") % ret % libusb_error_name(ret)).str()); diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp index 8ed8e99af..3edd12b90 100644 --- a/host/lib/usrp/b200/b200_impl.cpp +++ b/host/lib/usrp/b200/b200_impl.cpp @@ -156,8 +156,8 @@ b200_impl::b200_impl(const device_addr_t &device_addr) const fs_path mb_path = "/mboards/0"; //try to match the given device address with something on the USB bus - uint16_t vid = B200_VENDOR_ID; - uint16_t pid = B200_PRODUCT_ID; + unsigned int vid = B200_VENDOR_ID; + unsigned int pid = B200_PRODUCT_ID; if (device_addr.has_key("vid")) sscanf(device_addr.get("vid").c_str(), "%x", &vid); if (device_addr.has_key("pid")) @@ -659,9 +659,27 @@ void b200_impl::codec_loopback_self_test(wb_iface::sptr iface) /*********************************************************************** * Sample and tick rate comprehension below **********************************************************************/ +void b200_impl::enforce_tick_rate_limits(size_t chan_count, double tick_rate, const char* direction /*= NULL*/) +{ + const size_t max_chans = 2; + if (chan_count > max_chans) + { + throw uhd::value_error(boost::str(boost::format("cannot not setup %d %s channels (maximum is %d)") % chan_count % (direction ? direction : "data") % max_chans)); + } + else + { + const double max_tick_rate = ((chan_count <= 1) ? AD9361_1_CHAN_CLOCK_RATE_MAX : AD9361_2_CHAN_CLOCK_RATE_MAX); + if (tick_rate > max_tick_rate) + throw uhd::value_error(boost::str(boost::format("current master clock rate (%.2f MHz) exceeds maximum possible master clock rate (%.2f MHz) when using %d %s channels") % (tick_rate/1e6) % (max_tick_rate/1e6) % chan_count % (direction ? direction : "data"))); + } +} + double b200_impl::set_tick_rate(const double rate) { UHD_MSG(status) << "Asking for clock rate " << rate/1e6 << " MHz\n"; + + check_tick_rate_with_current_streamers(rate); // Defined in b200_io_impl.cpp + _tick_rate = _codec_ctrl->set_clock_rate(rate); UHD_MSG(status) << "Actually got clock rate " << _tick_rate/1e6 << " MHz\n"; diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp index c88d14ad5..fb65cb806 100644 --- a/host/lib/usrp/b200/b200_impl.hpp +++ b/host/lib/usrp/b200/b200_impl.hpp @@ -91,6 +91,7 @@ public: uhd::rx_streamer::sptr get_rx_stream(const uhd::stream_args_t &args); uhd::tx_streamer::sptr get_tx_stream(const uhd::stream_args_t &args); bool recv_async_msg(uhd::async_metadata_t &, double); + void check_streamer_args(const uhd::stream_args_t &args, double tick_rate, const char* direction = NULL); private: //controllers @@ -174,13 +175,15 @@ private: void update_enables(void); void update_atrs(void); - void update_tick_rate(const double); - void update_rx_samp_rate(const size_t, const double); - void update_tx_samp_rate(const size_t, const double); - double _tick_rate; double get_tick_rate(void){return _tick_rate;} double set_tick_rate(const double rate); + void update_tick_rate(const double); + void enforce_tick_rate_limits(size_t chan_count, double tick_rate, const char* direction = NULL); + void check_tick_rate_with_current_streamers(double rate); + + void update_rx_samp_rate(const size_t, const double); + void update_tx_samp_rate(const size_t, const double); }; #endif /* INCLUDED_B200_IMPL_HPP */ diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp index 4768aa37b..c715d33bd 100644 --- a/host/lib/usrp/b200/b200_io_impl.cpp +++ b/host/lib/usrp/b200/b200_io_impl.cpp @@ -23,6 +23,7 @@ #include "async_packet_handler.hpp" #include <boost/bind.hpp> #include <boost/make_shared.hpp> +#include <set> using namespace uhd; using namespace uhd::usrp; @@ -31,8 +32,47 @@ using namespace uhd::transport; /*********************************************************************** * update streamer rates **********************************************************************/ +void b200_impl::check_tick_rate_with_current_streamers(double rate) +{ + size_t max_tx_chan_count = 0, max_rx_chan_count = 0; + BOOST_FOREACH(radio_perifs_t &perif, _radio_perifs) + { + { + boost::shared_ptr<sph::recv_packet_streamer> rx_streamer = + boost::dynamic_pointer_cast<sph::recv_packet_streamer>(perif.rx_streamer.lock()); + if (rx_streamer) + max_rx_chan_count = std::max(max_rx_chan_count, rx_streamer->get_num_channels()); + } + + { + boost::shared_ptr<sph::send_packet_streamer> tx_streamer = + boost::dynamic_pointer_cast<sph::send_packet_streamer>(perif.tx_streamer.lock()); + if (tx_streamer) + max_tx_chan_count = std::max(max_tx_chan_count, tx_streamer->get_num_channels()); + } + } + + // Defined in b200_impl.cpp + enforce_tick_rate_limits(max_rx_chan_count, rate, "RX"); + enforce_tick_rate_limits(max_tx_chan_count, rate, "TX"); +} + +void b200_impl::check_streamer_args(const uhd::stream_args_t &args, double tick_rate, const char* direction /*= NULL*/) +{ + std::set<size_t> chans_set; + for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++) + { + const size_t chan = args.channels[stream_i]; + chans_set.insert(chan); + } + + enforce_tick_rate_limits(chans_set.size(), tick_rate, direction); // Defined in b200_impl.cpp +} + void b200_impl::update_tick_rate(const double rate) { + check_tick_rate_with_current_streamers(rate); + BOOST_FOREACH(radio_perifs_t &perif, _radio_perifs) { boost::shared_ptr<sph::recv_packet_streamer> my_streamer = @@ -235,6 +275,8 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_) if (args.otw_format.empty()) args.otw_format = "sc16"; args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; + check_streamer_args(args, this->get_tick_rate(), "RX"); + boost::shared_ptr<sph::recv_packet_streamer> my_streamer; for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++) { @@ -337,6 +379,8 @@ tx_streamer::sptr b200_impl::get_tx_stream(const uhd::stream_args_t &args_) if (args.otw_format.empty()) args.otw_format = "sc16"; args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; + check_streamer_args(args, this->get_tick_rate(), "TX"); + boost::shared_ptr<sph::send_packet_streamer> my_streamer; for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++) { |