diff options
Diffstat (limited to 'host/lib/usrp/usrp2/usrp2_impl.cpp')
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_impl.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp index 02f53bc69..21f411afe 100644 --- a/host/lib/usrp/usrp2/usrp2_impl.cpp +++ b/host/lib/usrp/usrp2/usrp2_impl.cpp @@ -35,6 +35,9 @@ using namespace uhd::usrp; using namespace uhd::transport; namespace asio = boost::asio; +//! wait this long for a control response when discovering devices +static const size_t DISCOVERY_TIMEOUT_MS = 100; + /*********************************************************************** * Helper Functions **********************************************************************/ @@ -94,7 +97,7 @@ static uhd::device_addrs_t usrp2_find(const device_addr_t &hint){ //send a hello control packet usrp2_ctrl_data_t ctrl_data_out; - ctrl_data_out.proto_ver = htonl(USRP2_PROTO_VERSION); + ctrl_data_out.proto_ver = htonl(USRP2_FW_COMPAT_NUM); ctrl_data_out.id = htonl(USRP2_CTRL_ID_WAZZUP_BRO); udp_transport->send(boost::asio::buffer(&ctrl_data_out, sizeof(ctrl_data_out))); @@ -102,7 +105,7 @@ static uhd::device_addrs_t usrp2_find(const device_addr_t &hint){ boost::uint8_t usrp2_ctrl_data_in_mem[udp_simple::mtu]; //allocate max bytes for recv const usrp2_ctrl_data_t *ctrl_data_in = reinterpret_cast<const usrp2_ctrl_data_t *>(usrp2_ctrl_data_in_mem); while(true){ - size_t len = udp_transport->recv(asio::buffer(usrp2_ctrl_data_in_mem)); + size_t len = udp_transport->recv(asio::buffer(usrp2_ctrl_data_in_mem), DISCOVERY_TIMEOUT_MS); //std::cout << len << "\n"; if (len > offsetof(usrp2_ctrl_data_t, data)){ //handle the received data |