On 01/23/2011 05:09 AM, Iain Young, G7III wrote: > Hi Guys, > > I am trying to add my own block to GRC for Doppler correction. To be > honest, the code itself is a very simple python UDP Client that talks > to predict. > > The code itself works fine, and talks to predict. So I decided to > create a block for GRC. This is the XML for the block: > > <?xml version="1.0"?> > <block> > <name>Predict Doppler</name> > <key>get_doppler</key> > <category>Misc</category> > <import>from predict get_doppler</import> > <callback></callback>
it has to validate block.dtd, the <callback>... should be after <make>... -Josh > <make>predict.get_doppler($predhost, $predport, $satellite)</make> > <param> > <name>Host</name> > <value>localhost</value> > <key>predhost</key> > <type>string</type> > </param> > <param> > <name>Port</name> > <key>predport</key> > <value>1210</value> > <type>int</type> > </param> > <param> > <name>Satellite</name> > <value></value> > <key>satellite</key> > <type>string</type> > </param> > <source> > <name>out</name> > <type>float</type> > </source> > </block> > > > However, I get the following when starting GRC: > > Warning: Block validation failed: > > /home/iain/.grc_gnuradio/predict.xml:2:0:ERROR:VALID:DTD_NOT_PCDATA: > Element block was declared #PCDATA but contains non text nodes > /home/iain/.grc_gnuradio/predict.xml:4:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element key > /home/iain/.grc_gnuradio/predict.xml:5:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element category > /home/iain/.grc_gnuradio/predict.xml:6:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element import > /home/iain/.grc_gnuradio/predict.xml:7:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element make > /home/iain/.grc_gnuradio/predict.xml:8:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element param > /home/iain/.grc_gnuradio/predict.xml:10:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element value > /home/iain/.grc_gnuradio/predict.xml:11:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element key > /home/iain/.grc_gnuradio/predict.xml:12:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element type > /home/iain/.grc_gnuradio/predict.xml:14:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element param > /home/iain/.grc_gnuradio/predict.xml:16:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element key > /home/iain/.grc_gnuradio/predict.xml:17:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element value > /home/iain/.grc_gnuradio/predict.xml:18:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element type > /home/iain/.grc_gnuradio/predict.xml:20:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element param > /home/iain/.grc_gnuradio/predict.xml:22:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element value > /home/iain/.grc_gnuradio/predict.xml:23:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element key > /home/iain/.grc_gnuradio/predict.xml:24:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element type > /home/iain/.grc_gnuradio/predict.xml:26:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element source > /home/iain/.grc_gnuradio/predict.xml:28:0:ERROR:VALID:DTD_UNKNOWN_ELEM: > No declaration for element type > Ignoring: /home/iain/.grc_gnuradio/predict.xml > > > While googling, I only found one reference to this (back in 2009), and > that suggested that I needed a callback, even if it was empty, so I > added it, but to no avail. > > I've compared my block to the others bundled with GRC, and can't see > anything that stands out. I've also updated to the latest git, but > still no luck (Previous was from sometime around Christmas/New Year) > > Anyone have any ideas on what I've missed ? > > > Thanks in Advance & Best Regards > > Iain > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
