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-rw-r--r--host/lib/usrp/b200/b200_impl.cpp12
-rw-r--r--host/lib/usrp/b200/b200_impl.hpp4
2 files changed, 10 insertions, 6 deletions
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 9dd3a424d..98141dbaa 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -19,6 +19,7 @@
#include "b200_regs.hpp"
#include <uhd/transport/usb_control.hpp>
#include <uhd/utils/msg.hpp>
+#include <uhd/utils/cast.hpp>
#include <uhd/exception.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/utils/images.hpp>
@@ -58,11 +59,11 @@ static device_addrs_t b200_find(const device_addr_t &hint)
//since an address and resource is intended for a different, non-USB, device.
if (hint.has_key("addr") || hint.has_key("resource")) return b200_addrs;
- unsigned int vid, pid;
+ boost::uint16_t vid, pid;
if(hint.has_key("vid") && hint.has_key("pid") && hint.has_key("type") && hint["type"] == "b200") {
- sscanf(hint.get("vid").c_str(), "%x", &vid);
- sscanf(hint.get("pid").c_str(), "%x", &pid);
+ vid = uhd::cast::hexstr_cast<boost::uint16_t>(hint.get("vid"));
+ pid = uhd::cast::hexstr_cast<boost::uint16_t>(hint.get("pid"));
} else {
vid = B200_VENDOR_ID;
pid = B200_PRODUCT_ID;
@@ -160,9 +161,9 @@ b200_impl::b200_impl(const device_addr_t &device_addr)
boost::uint16_t vid = B200_VENDOR_ID;
boost::uint16_t pid = B200_PRODUCT_ID;
if (device_addr.has_key("vid"))
- sscanf(device_addr.get("vid").c_str(), "%hx", &vid);
+ vid = uhd::cast::hexstr_cast<boost::uint16_t>(device_addr.get("vid"));
if (device_addr.has_key("pid"))
- sscanf(device_addr.get("pid").c_str(), "%hx", &pid);
+ pid = uhd::cast::hexstr_cast<boost::uint16_t>(device_addr.get("pid"));
std::vector<usb_device_handle::sptr> device_list =
usb_device_handle::get_device_list(vid, pid);
@@ -250,6 +251,7 @@ b200_impl::b200_impl(const device_addr_t &device_addr)
ctrl_xport_args
);
while (_ctrl_transport->get_recv_buff(0.0)){} //flush ctrl xport
+ _tree->create<double>(mb_path / "link_max_rate").set((usb_speed == 3) ? B200_MAX_RATE_USB3 : B200_MAX_RATE_USB2);
////////////////////////////////////////////////////////////////////
// Async task structure
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index 7d98a8f8d..c3508c550 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -47,11 +47,13 @@
static const boost::uint8_t B200_FW_COMPAT_NUM_MAJOR = 0x04;
static const boost::uint8_t B200_FW_COMPAT_NUM_MINOR = 0x00;
static const boost::uint16_t B200_FPGA_COMPAT_NUM = 0x03;
-static const double B200_LINK_RATE_BPS = (5e9)/8; //practical link rate (5 Gbps)
static const double B200_BUS_CLOCK_RATE = 100e6;
static const double B200_DEFAULT_TICK_RATE = 32e6;
static const boost::uint32_t B200_GPSDO_ST_NONE = 0x83;
+static const size_t B200_MAX_RATE_USB2 = 32000000; // bytes/s
+static const size_t B200_MAX_RATE_USB3 = 500000000; // bytes/s
+
#define FLIP_SID(sid) (((sid)<<16)|((sid)>>16))
static const boost::uint32_t B200_CTRL0_MSG_SID = 0x00000010;