try sending it with these emulators for exemple :^) http://bray.velenje.cx/avr/terminal/
http://realterm.sourceforge.net/ cordialement, Philippe Et si le pot d'échappement sortait au centre du volant ? quel carburant choisiriez-vous ? http://vehiculeselectriques.free.fr Forum de discussion sur les véhicules électriques http://vehiculeselectriques.free.fr/Forum/index.php ----- Original Message ----- From: "damon henry" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, December 02, 2005 7:27 PM Subject: Re: [ElectricMotorcycles] Polling the Alltrax > Here is what I get out of the doc. You need to send the controller a > command and it will send you a response. If you want to get the Battery > voltage you need to send it > > 5B 04 39 00 00 98 > > If the battery voltage is 48v it should send you back. > > 5B 04 39 01 D4 plus some unknown hex value (the next byte in memory) and a > checksum. O1 D4 is the voltage reading. That is .1025 volts per bit so > 48/.1025 ~ 468 decimal or 1D4 hex. > > The trick is that these are hex values. If you want to sit down at your PC > and open something up to talk to the controller, the built in application is > Hyperterminal. However this is a terminal emulation program and most > terminal emulation packages send some sort of ASCII, so you can't just type > in 5B 04 39 00 98 because these will get converted to their ASCII > hexadecimal values and sent to the controller. There is probably some sort > of escape character sequence you can use to send hex, but I don't know it > off the top of my head. It may be well documented someplace and easy to > figure out, I have just never had a need. > > On the other hand doing this with your BS2 will be pretty straight forward. > I'm not at a machine with a the parallax softwar installed, so I don't have > the docs handy to look up the exact command, but you just wire up a couple > of pins to the proper RS232 pins then use the pBasic commands to send and > receive a serial string. There is a ton of Parallax documentation on doing > this exact thing, so I would just go with that. If you have your BS2 hooked > up to your PC while you are doing it you can use the debug window to > actually see the values. > > damon > > > > >From: Mike <[EMAIL PROTECTED]> > >Reply-To: ElectricMotorcycles <[email protected]> > >To: ElectricMotorcycles <[email protected]> > >Subject: [ElectricMotorcycles] Polling the Alltrax > >Date: Fri, 2 Dec 2005 09:29:41 -0500 > > > >Okay, here's something that will show my ignorance. How do you use this > >info? Let's say I hook up my beloved Alltrax to my PC and want to read > >throttle position (just as an example). > > > > > > > >>; 04h = READ RAM - This command fetches three sequential bytes of > >>information > >>; from RAM (variable) memory and sends it to the Windows host. > >>; variable locations are organized in order to minimize > >>; the number of read cycles needed to refresh data. > > > > > >-- > > > >The Electric Motorcycle Portal > >http://www.electricmotorcycles.net/ > > > >Electric Motorcycle Listserv > >http://www.electricmotorcycles.net/listserv > > > > >
