diff options
Diffstat (limited to 'host/lib/usrp/b100')
| -rw-r--r-- | host/lib/usrp/b100/b100_impl.cpp | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp index b7ab8c28a..83f54046a 100644 --- a/host/lib/usrp/b100/b100_impl.cpp +++ b/host/lib/usrp/b100/b100_impl.cpp @@ -44,6 +44,7 @@ const boost::uint16_t B100_VENDOR_ID = 0x2500; const boost::uint16_t B100_PRODUCT_ID = 0x0002; const boost::uint16_t FX2_VENDOR_ID = 0x04b4; const boost::uint16_t FX2_PRODUCT_ID = 0x8613; +static const boost::posix_time::milliseconds REENUMERATION_TIMEOUT_MS(3000); /*********************************************************************** * Discovery @@ -102,23 +103,30 @@ static device_addrs_t b100_find(const device_addr_t &hint) vid = B100_VENDOR_ID; pid = B100_PRODUCT_ID; - BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) { - usb_control::sptr control; - try{control = usb_control::make(handle, 0);} - catch(const uhd::exception &){continue;} //ignore claimed - - fx2_ctrl::sptr fx2_ctrl = fx2_ctrl::make(control); - const mboard_eeprom_t mb_eeprom = mboard_eeprom_t(*fx2_ctrl, mboard_eeprom_t::MAP_B100); - device_addr_t new_addr; - new_addr["type"] = "b100"; - new_addr["name"] = mb_eeprom["name"]; - new_addr["serial"] = handle->get_serial(); - //this is a found b100 when the hint serial and name match or blank - if ( - (not hint.has_key("name") or hint["name"] == new_addr["name"]) and - (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]) - ){ - b100_addrs.push_back(new_addr); + const boost::system_time timeout_time = boost::get_system_time() + REENUMERATION_TIMEOUT_MS; + + //search for the device until found or timeout + while (boost::get_system_time() < timeout_time and b100_addrs.empty()) + { + BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) + { + usb_control::sptr control; + try{control = usb_control::make(handle, 0);} + catch(const uhd::exception &){continue;} //ignore claimed + + fx2_ctrl::sptr fx2_ctrl = fx2_ctrl::make(control); + const mboard_eeprom_t mb_eeprom = mboard_eeprom_t(*fx2_ctrl, mboard_eeprom_t::MAP_B100); + device_addr_t new_addr; + new_addr["type"] = "b100"; + new_addr["name"] = mb_eeprom["name"]; + new_addr["serial"] = handle->get_serial(); + //this is a found b100 when the hint serial and name match or blank + if ( + (not hint.has_key("name") or hint["name"] == new_addr["name"]) and + (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]) + ){ + b100_addrs.push_back(new_addr); + } } } |