diff options
-rw-r--r-- | host/lib/usrp/usrp2/usrp2_impl.cpp | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp index cb92b1921..48443bba4 100644 --- a/host/lib/usrp/usrp2/usrp2_impl.cpp +++ b/host/lib/usrp/usrp2/usrp2_impl.cpp @@ -105,33 +105,37 @@ static device_addrs_t usrp2_find(const device_addr_t &hint_){ size_t len = udp_transport->recv(asio::buffer(usrp2_ctrl_data_in_mem)); //std::cout << len << "\n"; if (len > offsetof(usrp2_ctrl_data_t, data) and ntohl(ctrl_data_in->id) == USRP2_CTRL_ID_WAZZUP_DUDE){ + //make a boost asio ipv4 with the raw addr in host byte order boost::asio::ip::address_v4 ip_addr(ntohl(ctrl_data_in->data.ip_addr)); device_addr_t new_addr; new_addr["type"] = "usrp2"; new_addr["addr"] = ip_addr.to_string(); + //Attempt to read the name from the EEPROM and perform filtering. //This operation can throw due to compatibility mismatch. - //In this case, the discovered device will be ignored. try{ mboard_eeprom_t mb_eeprom = usrp2_iface::make(udp_simple::make_connected( new_addr["addr"], boost::lexical_cast<std::string>(USRP2_UDP_CTRL_PORT) ))->mb_eeprom; new_addr["name"] = mb_eeprom["name"]; new_addr["serial"] = mb_eeprom["serial"]; - if ( - (not hint.has_key("name") or hint["name"] == new_addr["name"]) and - (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]) - ){ - usrp2_addrs.push_back(new_addr); - } } - catch(const std::exception &e){ - uhd::warning::post( - std::string("Ignoring discovered device\n") - + e.what() - ); + catch(const std::exception &){ + //set these values as empty string so the device may still be found + //and the filter's below can still operate on the discovered device + new_addr["name"] = ""; + new_addr["serial"] = ""; } + + //filter the discovered device below by matching optional keys + if ( + (not hint.has_key("name") or hint["name"] == new_addr["name"]) and + (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]) + ){ + usrp2_addrs.push_back(new_addr); + } + //dont break here, it will exit the while loop //just continue on to the next loop iteration } |