aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib/usrp/usrp2
diff options
context:
space:
mode:
Diffstat (limited to 'host/lib/usrp/usrp2')
-rw-r--r--host/lib/usrp/usrp2/dboard_iface.cpp2
-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp71
-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.hpp5
3 files changed, 70 insertions, 8 deletions
diff --git a/host/lib/usrp/usrp2/dboard_iface.cpp b/host/lib/usrp/usrp2/dboard_iface.cpp
index 0a2e4b550..2621d43b4 100644
--- a/host/lib/usrp/usrp2/dboard_iface.cpp
+++ b/host/lib/usrp/usrp2/dboard_iface.cpp
@@ -136,7 +136,7 @@ void usrp2_dboard_iface::set_pin_ctrl(unit_t unit, boost::uint16_t value){
//calculate the new selection mux setting
boost::uint32_t new_sels = 0x0;
for(size_t i = 0; i < 16; i++){
- bool is_bit_set = bool(value & (0x1 << i));
+ bool is_bit_set = (value & (0x1 << i)) != 0;
new_sels |= ((is_bit_set)? FRF_GPIO_SEL_ATR : FRF_GPIO_SEL_GPIO) << (i*2);
}
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 79b18fb63..18f2d013f 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -15,11 +15,15 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
+#include "../../transport/vrt_packet_handler.hpp"
#include "usrp2_impl.hpp"
#include "usrp2_regs.hpp"
#include <uhd/transport/convert_types.hpp>
+#include <uhd/transport/bounded_buffer.hpp>
#include <boost/format.hpp>
#include <boost/asio.hpp> //htonl and ntohl
+#include <boost/bind.hpp>
+#include <boost/thread.hpp>
#include <iostream>
using namespace uhd;
@@ -28,6 +32,60 @@ using namespace uhd::transport;
namespace asio = boost::asio;
/***********************************************************************
+ * io impl details (internal to this file)
+ **********************************************************************/
+struct usrp2_impl::io_impl{
+
+ io_impl(zero_copy_if::sptr zc_if);
+ ~io_impl(void);
+
+ managed_recv_buffer::sptr get_recv_buff(void);
+
+ //state management for the vrt packet handler code
+ vrt_packet_handler::recv_state packet_handler_recv_state;
+ vrt_packet_handler::send_state packet_handler_send_state;
+
+ //methods and variables for the recv pirate
+ void recv_pirate_loop(zero_copy_if::sptr zc_if);
+ boost::thread *recv_pirate_thread; bool recv_pirate_running;
+ bounded_buffer<managed_recv_buffer::sptr>::sptr recv_pirate_booty;
+};
+
+usrp2_impl::io_impl::io_impl(zero_copy_if::sptr zc_if){
+ //create a large enough booty
+ size_t num_frames = zc_if->get_num_recv_frames();
+ std::cout << "Recv pirate num frames: " << num_frames << std::endl;
+ recv_pirate_booty = bounded_buffer<managed_recv_buffer::sptr>::make(num_frames);
+
+ //create a new pirate thread (yarr!!)
+ recv_pirate_thread = new boost::thread(
+ boost::bind(&usrp2_impl::io_impl::recv_pirate_loop, this, zc_if)
+ );
+}
+
+usrp2_impl::io_impl::~io_impl(void){
+ recv_pirate_running = false;
+ recv_pirate_thread->interrupt();
+ recv_pirate_thread->join();
+ delete recv_pirate_thread;
+}
+
+managed_recv_buffer::sptr usrp2_impl::io_impl::get_recv_buff(void){
+ managed_recv_buffer::sptr buff;
+ boost::this_thread::disable_interruption di; //disable because the wait can throw
+ recv_pirate_booty->pop_with_timed_wait(buff, boost::posix_time::milliseconds(100));
+ return buff; //a timeout means that we return a null sptr...
+}
+
+void usrp2_impl::io_impl::recv_pirate_loop(zero_copy_if::sptr zc_if){
+ recv_pirate_running = true;
+ while(recv_pirate_running){
+ managed_recv_buffer::sptr buff = zc_if->get_recv_buff();
+ if (buff->size()) recv_pirate_booty->push_with_pop_on_full(buff);
+ }
+}
+
+/***********************************************************************
* Helper Functions
**********************************************************************/
void usrp2_impl::io_init(void){
@@ -60,6 +118,11 @@ void usrp2_impl::io_init(void){
);
_iface->poke32(FR_RX_CTRL_VRT_STREAM_ID, 0);
_iface->poke32(FR_RX_CTRL_VRT_TRAILER, 0);
+
+ std::cout << "TX samples per packet: " << get_max_send_samps_per_packet() << std::endl;
+
+ //create new io impl
+ _io_impl = UHD_PIMPL_MAKE(io_impl, (_data_transport));
}
/***********************************************************************
@@ -72,11 +135,11 @@ size_t usrp2_impl::send(
send_mode_t send_mode
){
return vrt_packet_handler::send(
- _packet_handler_send_state, //last state of the send handler
+ _io_impl->packet_handler_send_state, //last state of the send handler
buff, metadata, send_mode, //buffer to empty and samples metadata
io_type, _tx_otw_type, //input and output types to convert
get_master_clock_freq(), //master clock tick rate
- _data_transport, //zero copy interface
+ boost::bind(&zero_copy_if::get_send_buff, _data_transport),
get_max_send_samps_per_packet()
);
}
@@ -91,10 +154,10 @@ size_t usrp2_impl::recv(
recv_mode_t recv_mode
){
return vrt_packet_handler::recv(
- _packet_handler_recv_state, //last state of the recv handler
+ _io_impl->packet_handler_recv_state, //last state of the recv handler
buff, metadata, recv_mode, //buffer to fill and samples metadata
io_type, _rx_otw_type, //input and output types to convert
get_master_clock_freq(), //master clock tick rate
- _data_transport //zero copy interface
+ boost::bind(&usrp2_impl::io_impl::get_recv_buff, _io_impl)
);
}
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index 7948a2069..40c193866 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -23,6 +23,7 @@
#include "codec_ctrl.hpp"
#include "serdes_ctrl.hpp"
#include <uhd/usrp/usrp2.hpp>
+#include <uhd/utils/pimpl.hpp>
#include <uhd/types/dict.hpp>
#include <uhd/types/otw_type.hpp>
#include <uhd/types/stream_cmd.hpp>
@@ -33,7 +34,6 @@
#include <uhd/transport/vrt.hpp>
#include <uhd/transport/udp_zero_copy.hpp>
#include <uhd/usrp/dboard_manager.hpp>
-#include "../../transport/vrt_packet_handler.hpp"
/*!
* Make a usrp2 dboard interface.
@@ -153,9 +153,8 @@ private:
uhd::transport::vrt::max_header_words32*sizeof(boost::uint32_t)
;
- vrt_packet_handler::recv_state _packet_handler_recv_state;
- vrt_packet_handler::send_state _packet_handler_send_state;
uhd::otw_type_t _rx_otw_type, _tx_otw_type;
+ UHD_PIMPL_DECL(io_impl) _io_impl;
void io_init(void);
//udp transports for control and data