Hey Johannes, I guess you mean [list fromsymbol] to convert symbols to their byte-representation ? ;) ++
Jack Le 24/01/2019 à 18:07, IOhannes m zmölnig a écrit : > On 1/24/19 5:33 PM, RT wrote: >> I'm trying to turn on and off a device using Pd by sending a URL. At the >> moment to turn the device on I just type in a url in the browser and to >> turn it off I type in another one url . >> To turn the device on I send http://192.168.1.123/relay/0/?turn=on >> To turn the device off I send http://192.168.1.123/relay/0/?turn=off >> >> I can connect to the device using *connect* and *netsend* but I couldn't >> find an example / correct syntax / format on how to send the required url >> out of Pd. >> >> This is what I'm using below >> >> #N canvas 162 516 623 513 10; >> #X msg 535 750 \; pd dsp 1; >> #X obj 536 724 loadbang; >> #X obj 248 207 netsend; >> #X msg 272 110 disconnect; >> #X floatatom 218 272 0 0 0 0 - - -; >> #X obj 280 275 print; >> #X msg 403 171 send /relay/0/?turn=off; >> #X msg 404 136 send /relay/0/?turn=on; > > that won't work. > when using [send ...(, Pd will use FUDI [1] at the application layer. > but you want to communicate with a webserver, so you need to use HTTP as > the application layer protocol. > the *actual* string (in HTTP) you want to send is something like: > > ~~~ > GET /relay/0/?turn=off HTTP/1.0 > > ~~~ > > you can use [netsend] to send raw bytes (using the "-b" mode). > you also can use [list totext] to convert symbols to their > byte-representation (translating the characters to ASCII). > since [list totext] only takes single symbols (and not entire messages), > an even easier way would be to use [fudiformat], which will convert a > message into it's FUDI representation (with trailing semicolon, and > everything). just strip of the unwanted characters (the trailing > semicolon), and append proper CRLF terminators and you should be done. > > something like: > > | > [symbol on] > | > [GET /relay/0/?turn=$1 HTTP/1.0( > | > [fudiformat] > | > [t l l] > | [list length] > | [- 2] > [list split] > | > [list append 13 10 13 10] > | > [list prepend send] > | > [list trim] > | > [netsend -b] > > fgmadsr > IOhannes > > > [1] https://en.wikipedia.org/wiki/FUDI > > > _______________________________________________ > Pd-list@lists.iem.at mailing list > UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list >
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