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path: root/host/lib/usrp/usrp_e100/io_impl.cpp
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Diffstat (limited to 'host/lib/usrp/usrp_e100/io_impl.cpp')
-rw-r--r--host/lib/usrp/usrp_e100/io_impl.cpp23
1 files changed, 17 insertions, 6 deletions
diff --git a/host/lib/usrp/usrp_e100/io_impl.cpp b/host/lib/usrp/usrp_e100/io_impl.cpp
index 2388482c7..58faeafb0 100644
--- a/host/lib/usrp/usrp_e100/io_impl.cpp
+++ b/host/lib/usrp/usrp_e100/io_impl.cpp
@@ -35,7 +35,8 @@ zero_copy_if::sptr usrp_e100_make_mmap_zero_copy(usrp_e100_iface::sptr iface);
/***********************************************************************
* Constants
**********************************************************************/
-static const size_t tx_async_report_sid = 1;
+static const size_t rx_data_inline_sid = 1;
+static const size_t tx_async_report_sid = 2;
static const int underflow_flags = async_metadata_t::EVENT_CODE_UNDERFLOW | async_metadata_t::EVENT_CODE_UNDERFLOW_IN_PACKET;
static const bool recv_debug = false;
@@ -110,8 +111,17 @@ void usrp_e100_impl::io_impl::recv_pirate_loop(usrp_e100_clock_ctrl::sptr clock_
const boost::uint32_t *vrt_hdr = buff->cast<const boost::uint32_t *>();
vrt::if_hdr_unpack_le(vrt_hdr, if_packet_info);
+ //handle an rx data packet or inline message
+ if (if_packet_info.sid == rx_data_inline_sid){
+ if (recv_debug) std::cout << "this is rx_data_inline_sid\n";
+ //same number of frames as the data transport -> always immediate
+ recv_pirate_booty->push_with_wait(buff);
+ continue;
+ }
+
//handle a tx async report message
if (if_packet_info.sid == tx_async_report_sid and if_packet_info.packet_type != vrt::if_packet_info_t::PACKET_TYPE_DATA){
+ if (recv_debug) std::cout << "this is tx_async_report_sid\n";
//fill in the async metadata
async_metadata_t metadata;
@@ -128,8 +138,7 @@ void usrp_e100_impl::io_impl::recv_pirate_loop(usrp_e100_clock_ctrl::sptr clock_
continue;
}
- //same number of frames as the data transport -> always immediate
- recv_pirate_booty->push_with_wait(buff);
+ if (recv_debug) std::cout << "this is unknown packet\n";
}catch(const std::exception &e){
std::cerr << "Error (usrp-e recv pirate loop): " << e.what() << std::endl;
@@ -153,17 +162,20 @@ void usrp_e100_impl::io_init(void){
//setup before the registers (transport called to calculate max spp)
_io_impl = UHD_PIMPL_MAKE(io_impl, (_iface));
+ //clear state machines
+ _iface->poke32(UE_REG_CTRL_RX_CLEAR, 0);
+ _iface->poke32(UE_REG_CTRL_TX_CLEAR, 0);
+
//setup rx data path
_iface->poke32(UE_REG_CTRL_RX_NSAMPS_PER_PKT, get_max_recv_samps_per_packet());
_iface->poke32(UE_REG_CTRL_RX_NCHANNELS, 1);
- _iface->poke32(UE_REG_CTRL_RX_CLEAR_OVERRUN, 1); //reset
_iface->poke32(UE_REG_CTRL_RX_VRT_HEADER, 0
| (0x1 << 28) //if data with stream id
| (0x1 << 26) //has trailer
| (0x3 << 22) //integer time other
| (0x1 << 20) //fractional time sample count
);
- _iface->poke32(UE_REG_CTRL_RX_VRT_STREAM_ID, 0);
+ _iface->poke32(UE_REG_CTRL_RX_VRT_STREAM_ID, rx_data_inline_sid);
_iface->poke32(UE_REG_CTRL_RX_VRT_TRAILER, 0);
//setup the tx policy
@@ -185,7 +197,6 @@ void usrp_e100_impl::issue_stream_cmd(const stream_cmd_t &stream_cmd){
void usrp_e100_impl::handle_overrun(size_t){
std::cerr << "O"; //the famous OOOOOOOOOOO
- _iface->poke32(UE_REG_CTRL_RX_CLEAR_OVERRUN, 0);
if (_io_impl->continuous_streaming){
this->issue_stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
}