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-rw-r--r--host/lib/usrp/usrp2/mboard_impl.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index 40fc5098b..29e0535f8 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -66,6 +66,18 @@ usrp2_mboard_impl::usrp2_mboard_impl(
device_addr["addr"], BOOST_STRINGIZE(USRP2_UDP_CTRL_PORT)
)))
{
+
+ //check the fpga compatibility number
+ const boost::uint32_t fpga_compat_num = _iface->peek32(_iface->regs.compat_num_rb);
+ if (fpga_compat_num != USRP2_FPGA_COMPAT_NUM){
+ throw uhd::runtime_error(str(boost::format(
+ "\nPlease update the firmware and FPGA images for your device.\n"
+ "See the application notes for USRP2/N-Series for instructions.\n"
+ "Expected FPGA compatibility number %d, but got %d:\n"
+ "The FPGA build is not compatible with the host code build."
+ ) % int(USRP2_FPGA_COMPAT_NUM) % fpga_compat_num));
+ }
+
//construct transports for dsp and async errors
std::cout << "Making transport for DSP0..." << std::endl;
device.dsp_xports.push_back(udp_zero_copy::make(