<?xml version="1.0"?> <block> <name>UHD: USRP Async Msg Source</name> <key>uhd_amsg_source</key> <import>from gnuradio import uhd</import> <make>uhd.amsg_source(device_addr=$dev_addr, msgq=$(id)_msgq_out)</make> <param> <name>Device Addr</name> <key>dev_addr</key> <value></value> <type>string</type> <hide> #if $dev_addr() none #else part #end if </hide> </param> <source> <name>out</name> <type>msg</type> </source> </block>