Am 26.01.2012 um 09:58 schrieb Spiderdab: > Il giorno gio, 26/01/2012 alle 07.48 +0100, Michael Haberler ha scritto: >> Am 25.01.2012 um 23:46 schrieb Spiderdab: >> >>> On mer, 2012-01-25 at 20:39 +0100, Michael Haberler wrote: >>>> Hi Davide, >>>> >>>> why dont you just do this for edge detection (adapted from >>>> configs/gladevcp/complex/complex.py): >>>> >>>> def on_led_pin_changed(self,hal_led,data=None): >>>> if hal_led.hal_pin.get(): >>>> print "LED changed to true" >>>> else: >>>> print "LED changed to false" >>>> >>>> - Michael >>>> >>> That's a good work-around, but you need a LED linked to the pin you want >>> to read. >> >> no you dont need a LED >> >> see the example for a standalone HAL pin, connecting the value-changed >> signal, and looking at state in the signal handler: >> >> http://www.linuxcnc.org/docs/devel/html/gui/gladevcp.html#gladevcp:Adding_HAL_pins >> >> - Michael >> > Ops! i think i should have read that.. that way, to control the state i > think you should write something like: > on_bit_trigger -> > if it's true: > do this > if it's false: > do that > > does it work like that?
exactly! - Michael > > Thank you michael. > >>> with the class i added into hal_glib.py you can create a bit_pin, net >>> this with what you want into your_file.hal and play your handler. >>> i.e. in this way i set up a combo of two joystick buttons to start >>> recording my movements into g-code (yes there is also a LED on it..) and >>> another combo to wirite "M2" at the end of the file and increment by one >>> the seq number of the file. >>> i've found this way very useful. >>> Davide. >>> >>> >>> >>>> Am 24.01.2012 um 00:39 schrieb Spiderdab: >>>> >>>>> It works! >>>>> I don't know how much it could be useful for other, but here is the >>>>> modified hal_glib.py code. I added 'value-is-true' and 'value-is-false' >>>>> to evaluate a bit-pin state. >>>>> added the GBitPin Class, so it is not mixed with GPin. >>>>> >>>>> I'm attaching this code, in case someone would like to evaluate. >>>>> >>>>> Ciao, Davide. >>>>> >>>>> On lun, 2012-01-23 at 22:37 +0100, Spiderdab wrote: >>>>>> Hi, i was looking into hal_glib.py, because i wanted to add a boolean >>>>>> possibility other than 'value-changed'. >>>>>> This way one can monitor a bit-pin and set an handler if it's true. >>>>>> >>>>>> Am I assuming the right idea? >>>>>> do you think it's a trivial thing to do?, or do i have to change also >>>>>> other files? >>>>>> >>>>>> Thanks, Davide. >>>>>> >>>>>> >>>>>> >>>>>> ------------------------------------------------------------------------------ >>>>>> Try before you buy = See our experts in action! >>>>>> The most comprehensive online learning library for Microsoft developers >>>>>> is just $99.99! 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