Andrew de Quincey wrote: >>>I also think that simple Diseqc strings to manipulate a switch aren't >>>sufficient... and >>>that this isn't the place to put them. >>> >>> > >Come to think of it, what things can you think of that require more than the >simple strings? > >I can think of one from the doc you linked to: optimisation of the positioning >commands - e.g. if the dish is already pointing at 3 steps E, and needs to >move to 5 steps E, then it would better to issue a DRIVEE(2) command instead >of GOTO0, DRIVEE(5). I assume not everything supports the "goto angular >position" command. > >Yeek, calibrating these positioning systems must be horrendous! And I assume >we'd need to persist stuff like the E/W limits somewhere? > > Most positioners have NVRAM for retaining settings, but since you can't query a positioner for information, you have no way to get the settings "back" and save them into a config file, where they can be pushed back down into a new positioner should you have to replace it (and positioners do die on occasion... especially the motors). -Philip
