wouter van ooijen & floortje hanneman wrote: > > > What about verification?? > > No verification, at least no external acknowledgment. The bootloader should > assure that the application is started only when all data is received and > programmed correctly (internal verification). So when, after loading, the > application starts, the loading must have been succesfull. You must have a > way to check that the application is running, but that should not be too > hard. You can not expect too much from a zero-IO-pin interface.... I suppose with checksums etc it should be doable. I was wondering if you would have more luck clocking the OSC1 pin after a reset. That way it's possible to know exactly what code your boot loader should be executing. You might get faster transfers knowing this. -- Best regards Tony mICros http://www.bubblesoftonline.com mailto:sales@bubblesoftonline.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body