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-rw-r--r--host/lib/device.cpp18
-rw-r--r--host/lib/transport/libusb1_base.cpp16
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.cpp28
3 files changed, 36 insertions, 26 deletions
diff --git a/host/lib/device.cpp b/host/lib/device.cpp
index d575ebaab..386588a08 100644
--- a/host/lib/device.cpp
+++ b/host/lib/device.cpp
@@ -26,6 +26,7 @@
#include <boost/functional/hash.hpp>
#include <boost/tuple/tuple.hpp>
#include <stdexcept>
+#include <iostream>
using namespace uhd;
@@ -73,12 +74,17 @@ device_addrs_t device::find(const device_addr_t &hint){
device_addrs_t device_addrs;
BOOST_FOREACH(const dev_fcn_reg_t &fcn, get_dev_fcn_regs()){
- device_addrs_t discovered_addrs = fcn.get<0>()(hint);
- device_addrs.insert(
- device_addrs.begin(),
- discovered_addrs.begin(),
- discovered_addrs.end()
- );
+ try{
+ device_addrs_t discovered_addrs = fcn.get<0>()(hint);
+ device_addrs.insert(
+ device_addrs.begin(),
+ discovered_addrs.begin(),
+ discovered_addrs.end()
+ );
+ }
+ catch(const std::exception &e){
+ std::cerr << "Device discovery error: " << e.what() << std::endl;
+ }
}
return device_addrs;
diff --git a/host/lib/transport/libusb1_base.cpp b/host/lib/transport/libusb1_base.cpp
index 49f524a32..910b04fc8 100644
--- a/host/lib/transport/libusb1_base.cpp
+++ b/host/lib/transport/libusb1_base.cpp
@@ -213,15 +213,21 @@ private:
libusb::device_handle::sptr libusb::device_handle::get_cached_handle(device::sptr dev){
static uhd::dict<libusb_device *, boost::weak_ptr<device_handle> > handles;
- //not expired -> get existing session
+ //not expired -> get existing handle
if (handles.has_key(dev->get()) and not handles[dev->get()].expired()){
return handles[dev->get()].lock();
}
- //create a new global session
- sptr new_handle(new libusb_device_handle_impl(dev));
- handles[dev->get()] = new_handle;
- return new_handle;
+ //create a new cached handle
+ try{
+ sptr new_handle(new libusb_device_handle_impl(dev));
+ handles[dev->get()] = new_handle;
+ return new_handle;
+ }
+ catch(const std::exception &e){
+ std::cerr << "USB open failed: see the application notes for your device." << std::endl;
+ throw std::runtime_error(e.what());
+ }
}
/***********************************************************************
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index 793e3027d..156fc119f 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -83,9 +83,7 @@ static device_addrs_t usrp1_find(const device_addr_t &hint)
//find the usrps and load firmware
BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) {
- usb_control::sptr ctrl_transport = usb_control::make(handle);
- usrp_ctrl::sptr usrp_ctrl = usrp_ctrl::make(ctrl_transport);
- usrp_ctrl->usrp_load_firmware(usrp1_fw_image);
+ usrp_ctrl::make(usb_control::make(handle))->usrp_load_firmware(usrp1_fw_image);
}
//get descriptors again with serial number, but using the initialized VID/PID now since we have firmware
@@ -93,13 +91,13 @@ static device_addrs_t usrp1_find(const device_addr_t &hint)
pid = USRP1_PRODUCT_ID;
BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) {
- device_addr_t new_addr;
- new_addr["type"] = "usrp1";
- new_addr["serial"] = handle->get_serial();
- //this is a found usrp1 when a hint serial is not specified or it matches
- if (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]){
- usrp1_addrs.push_back(new_addr);
- }
+ device_addr_t new_addr;
+ new_addr["type"] = "usrp1";
+ new_addr["serial"] = handle->get_serial();
+ //this is a found usrp1 when a hint serial is not specified or it matches
+ if (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]){
+ usrp1_addrs.push_back(new_addr);
+ }
}
return usrp1_addrs;
@@ -109,12 +107,12 @@ static device_addrs_t usrp1_find(const device_addr_t &hint)
* Make
**********************************************************************/
template<typename output_type> static output_type cast_from_dev_addr(
- const device_addr_t &device_addr,
- const std::string &key,
- output_type def_val
+ const device_addr_t &device_addr,
+ const std::string &key,
+ output_type def_val
){
- return (device_addr.has_key(key))?
- boost::lexical_cast<output_type>(device_addr[key]) : def_val;
+ return (device_addr.has_key(key))?
+ boost::lexical_cast<output_type>(device_addr[key]) : def_val;
}
static device::sptr usrp1_make(const device_addr_t &device_addr)