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-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index 774f91d28..168beccbf 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -284,10 +284,9 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){
#endif
}
if (not device_addr.has_key("send_buff_size")){
- #if defined(UHD_PLATFORM_WIN32)
- //a large send buff is ok to have on windows
- device_addr["send_buff_size"] = "50e6";
- #endif
+ //The buffer should be the size of the SRAM on the device,
+ //because we will never commit more than the SRAM can hold.
+ device_addr["send_buff_size"] = boost::lexical_cast<std::string>(USRP2_SRAM_BYTES);
}
device_addrs_t device_args = separate_device_addr(device_addr);