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-rw-r--r--host/lib/usrp/usrp_e/io_impl.cpp112
-rw-r--r--host/lib/usrp/usrp_e/mboard_impl.cpp4
-rw-r--r--host/lib/usrp/usrp_e/usrp_e_impl.hpp4
3 files changed, 74 insertions, 46 deletions
diff --git a/host/lib/usrp/usrp_e/io_impl.cpp b/host/lib/usrp/usrp_e/io_impl.cpp
index c168d6304..a77a73b38 100644
--- a/host/lib/usrp/usrp_e/io_impl.cpp
+++ b/host/lib/usrp/usrp_e/io_impl.cpp
@@ -24,6 +24,7 @@
#include <stddef.h> //offsetof
#include <poll.h>
#include <boost/format.hpp>
+#include <boost/assign.hpp>
#include <iostream>
using namespace uhd;
@@ -127,10 +128,11 @@ private:
* IO Implementation Details
**********************************************************************/
struct usrp_e_impl::io_impl{
- vrt_packet_handler::recv_state recv_state;
- vrt_packet_handler::send_state send_state;
+ //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;
data_transport transport;
- io_impl(int fd): transport(fd){}
+ io_impl(int fd): packet_handler_recv_state(1), transport(fd){}
};
void usrp_e_impl::io_init(void){
@@ -150,35 +152,56 @@ void usrp_e_impl::io_init(void){
_io_impl = UHD_PIMPL_MAKE(io_impl, (_iface->get_file_descriptor()));
}
-static boost::uint32_t make_stream_cmd(bool now, bool chain, boost::uint32_t nsamps){
- return (((now)? 1 : 0) << 31) | (((chain)? 1 : 0) << 30) | nsamps;
+static boost::uint32_t make_stream_cmd(bool now, bool chain, bool reload, boost::uint32_t nsamps){
+ return (((now)? 1 : 0) << 31) | (((chain)? 1 : 0) << 30) | (((reload)? 1 : 0) << 29) | nsamps;
}
void usrp_e_impl::issue_stream_cmd(const stream_cmd_t &stream_cmd){
- boost::uint32_t cmd = 0;
- switch(stream_cmd.stream_mode){
- case stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE:
- cmd = make_stream_cmd(stream_cmd.stream_now, false, stream_cmd.num_samps);
- break;
+ UHD_ASSERT_THROW(stream_cmd.num_samps <= 0x3fffffff);
- case stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_MORE:
- cmd = make_stream_cmd(stream_cmd.stream_now, true, stream_cmd.num_samps);
- break;
+ //setup the mode to instruction flags
+ typedef boost::tuple<bool, bool, bool> inst_t;
+ static const uhd::dict<stream_cmd_t::stream_mode_t, inst_t> mode_to_inst = boost::assign::map_list_of
+ //reload, chain, samps
+ (stream_cmd_t::STREAM_MODE_START_CONTINUOUS, inst_t(true, true, false))
+ (stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS, inst_t(false, false, false))
+ (stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE, inst_t(false, false, true))
+ (stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_MORE, inst_t(false, true, true))
+ ;
+
+ //setup the instruction flag values
+ bool inst_reload, inst_chain, inst_samps;
+ boost::tie(inst_reload, inst_chain, inst_samps) = mode_to_inst[stream_cmd.stream_mode];
+
+ //issue the stream command
+ _iface->poke32(UE_REG_CTRL_RX_STREAM_CMD, make_stream_cmd(
+ (inst_samps)? stream_cmd.num_samps : ((inst_chain)? get_max_recv_samps_per_packet() : 1),
+ (stream_cmd.stream_now)? 1 : 0,
+ (inst_chain)? 1 : 0,
+ (inst_reload)? 1 : 0
+ ));
+ _iface->poke32(UE_REG_CTRL_RX_TIME_SECS, boost::uint32_t(stream_cmd.time_spec.get_full_secs()));
+ _iface->poke32(UE_REG_CTRL_RX_TIME_TICKS, stream_cmd.time_spec.get_tick_count(MASTER_CLOCK_RATE));
- default: throw std::runtime_error("stream mode not implemented");
- }
- _iface->poke32(UE_REG_CTRL_RX_STREAM_CMD, cmd);
- _iface->poke32(UE_REG_CTRL_RX_TIME_SECS, stream_cmd.time_spec.secs);
- _iface->poke32(UE_REG_CTRL_RX_TIME_TICKS, stream_cmd.time_spec.get_ticks(MASTER_CLOCK_RATE));
}
/***********************************************************************
* Data Send
**********************************************************************/
+bool get_send_buffs(
+ data_transport *trans,
+ vrt_packet_handler::managed_send_buffs_t &buffs
+){
+ UHD_ASSERT_THROW(buffs.size() == 1);
+ buffs[0] = trans->get_send_buff();
+ return buffs[0].get() != NULL;
+}
+
size_t usrp_e_impl::send(
- const boost::asio::const_buffer &buff,
- const uhd::tx_metadata_t &metadata,
- const io_type_t & io_type,
+ const std::vector<const void *> &buffs,
+ size_t num_samps,
+ const tx_metadata_t &metadata,
+ const io_type_t &io_type,
send_mode_t send_mode
){
otw_type_t send_otw_type;
@@ -187,15 +210,13 @@ size_t usrp_e_impl::send(
send_otw_type.byteorder = otw_type_t::BO_LITTLE_ENDIAN;
return vrt_packet_handler::send(
- _io_impl->send_state,
- buff,
- metadata,
- send_mode,
- io_type,
- send_otw_type, //TODO
- MASTER_CLOCK_RATE,
- uhd::transport::vrt::pack_le,
- boost::bind(&data_transport::get_send_buff, &_io_impl->transport),
+ _io_impl->packet_handler_send_state, //last state of the send handler
+ buffs, num_samps, //buffer to fill
+ metadata, send_mode, //samples metadata
+ io_type, send_otw_type, //input and output types to convert
+ MASTER_CLOCK_RATE, //master clock tick rate
+ uhd::transport::vrt::if_hdr_pack_le,
+ boost::bind(&get_send_buffs, &_io_impl->transport, _1),
get_max_send_samps_per_packet(),
vrt_header_offset_words32
);
@@ -204,9 +225,19 @@ size_t usrp_e_impl::send(
/***********************************************************************
* Data Recv
**********************************************************************/
+bool get_recv_buffs(
+ data_transport *trans,
+ vrt_packet_handler::managed_recv_buffs_t &buffs
+){
+ UHD_ASSERT_THROW(buffs.size() == 1);
+ buffs[0] = trans->get_recv_buff();
+ return buffs[0].get() != NULL;
+}
+
size_t usrp_e_impl::recv(
- const boost::asio::mutable_buffer &buff,
- uhd::rx_metadata_t &metadata,
+ const std::vector<void *> &buffs,
+ size_t num_samps,
+ rx_metadata_t &metadata,
const io_type_t &io_type,
recv_mode_t recv_mode
){
@@ -216,15 +247,12 @@ size_t usrp_e_impl::recv(
recv_otw_type.byteorder = otw_type_t::BO_LITTLE_ENDIAN;
return vrt_packet_handler::recv(
- _io_impl->recv_state,
- buff,
- metadata,
- recv_mode,
- io_type,
- recv_otw_type, //TODO
- MASTER_CLOCK_RATE,
- uhd::transport::vrt::unpack_le,
- boost::bind(&data_transport::get_recv_buff, &_io_impl->transport),
- vrt_header_offset_words32
+ _io_impl->packet_handler_recv_state, //last state of the recv handler
+ buffs, num_samps, //buffer to fill
+ metadata, recv_mode, //samples metadata
+ io_type, recv_otw_type, //input and output types to convert
+ MASTER_CLOCK_RATE, //master clock tick rate
+ uhd::transport::vrt::if_hdr_unpack_le,
+ boost::bind(get_recv_buffs, &_io_impl->transport, _1)
);
}
diff --git a/host/lib/usrp/usrp_e/mboard_impl.cpp b/host/lib/usrp/usrp_e/mboard_impl.cpp
index e4a0e81af..e27c1964a 100644
--- a/host/lib/usrp/usrp_e/mboard_impl.cpp
+++ b/host/lib/usrp/usrp_e/mboard_impl.cpp
@@ -116,10 +116,10 @@ void usrp_e_impl::mboard_set(const wax::obj &key, const wax::obj &val){
case MBOARD_PROP_TIME_NOW:
case MBOARD_PROP_TIME_NEXT_PPS:{
time_spec_t time_spec = val.as<time_spec_t>();
- _iface->poke32(UE_REG_TIME64_TICKS, time_spec.get_ticks(MASTER_CLOCK_RATE));
+ _iface->poke32(UE_REG_TIME64_TICKS, time_spec.get_tick_count(MASTER_CLOCK_RATE));
boost::uint32_t imm_flags = (key.as<mboard_prop_t>() == MBOARD_PROP_TIME_NOW)? 1 : 0;
_iface->poke32(UE_REG_TIME64_IMM, imm_flags);
- _iface->poke32(UE_REG_TIME64_SECS, time_spec.secs);
+ _iface->poke32(UE_REG_TIME64_SECS, time_spec.get_full_secs());
}
return;
diff --git a/host/lib/usrp/usrp_e/usrp_e_impl.hpp b/host/lib/usrp/usrp_e/usrp_e_impl.hpp
index e6bea1358..c0e302bd8 100644
--- a/host/lib/usrp/usrp_e/usrp_e_impl.hpp
+++ b/host/lib/usrp/usrp_e/usrp_e_impl.hpp
@@ -81,8 +81,8 @@ public:
~usrp_e_impl(void);
//the io interface
- size_t send(const boost::asio::const_buffer &, const uhd::tx_metadata_t &, const uhd::io_type_t &, send_mode_t);
- size_t recv(const boost::asio::mutable_buffer &, uhd::rx_metadata_t &, const uhd::io_type_t &, recv_mode_t);
+ size_t send(const std::vector<const void *> &, size_t, const uhd::tx_metadata_t &, const uhd::io_type_t &, send_mode_t);
+ size_t recv(const std::vector<void *> &, size_t, uhd::rx_metadata_t &, const uhd::io_type_t &, recv_mode_t);
size_t get_max_send_samps_per_packet(void) const{return 300;}
size_t get_max_recv_samps_per_packet(void) const{return 300;}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 14:43:40 +0000