[App_rpt-users] App_rpt-users Digest, Vol 90, Issue 4
DuaneVT .
selkie2 at comcast.net
Thu Aug 4 16:10:01 UTC 2016
Remember to check for active-ground using "Diode Check" mode on your meter,
with meter+ to the device and meter- to ground. Internal switching is
transistor/FET based and will show always open in regular DVM "resistance"
mode.
Duane KA1LM
On Thu, Aug 4, 2016 at 9:22 AM, <app_rpt-users-request at ohnosec.org> wrote:
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> Today's Topics:
>
> 1. Re: SimpleUSB gpio? (mike at midnighteng.com)
> 2. Re: SimpleUSB gpio? (Stephen - K1LNX)
> 3. Re: SimpleUSB gpio? (David McGough)
> 4. Re: SimpleUSB gpio? (Stephen - K1LNX)
>
>
> ---------- Forwarded message ----------
> From: mike at midnighteng.com
> To: app_rpt-users at ohnosec.org
> Cc:
> Date: Thu, 4 Aug 2016 09:05:34 -0400
> Subject: Re: [App_rpt-users] SimpleUSB gpio?
>
> Sorry,
> I do have to ask the obvious,
> Are you sure you are testing the output correctly ?
> I believe these FLOAT and switch to ground when active.
> Just like a parallel port.Don't use them so I don't know for sure.
> So you need to check continuity between ground and the pin in question for
> activity.
>
> ...mike/kb8jnm
>
> > I'm trying to manipulate a GPIO pin off of a URIx and I am not able to
> get
> > it to work for whatever reason. If I send a cop,62 command to toggle it,
> it
> > does not change the state.
> >
> > I found this message from Jim that was posted in June 2011:
> >
> > http://ohnosec.org/pipermail/app_rpt-users/2011-June/002725.html
> >
> > Does anyone know if this was ever implemented? This was quite some time
> > ago.
> >
> > I might be able to use usbradio instead for my application, but prefer
> > SimpleUSB as it's easier to implement.
> >
> > 73
> > Stephen
> > K1LNX
> > _______________________________________________
> > App_rpt-users mailing list
> > App_rpt-users at ohnosec.org
> > http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
> >
> > To unsubscribe from this list please visit
> > http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll
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> > options button"
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> > you have trouble unsubscribing, please send a message to the list
> detailing the
> > problem.
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Stephen - K1LNX <k1lnx at k1lnx.net>
> To: mike at midnighteng.com
> Cc: app_rpt mailing list <app_rpt-users at ohnosec.org>
> Date: Thu, 4 Aug 2016 09:08:53 -0400
> Subject: Re: [App_rpt-users] SimpleUSB gpio?
> Hi Mike... yes, I was testing between ground and the GPIO pin question
> (GPIO1 in my case) for voltage.
>
> See my later message I posted for details on what I found.
>
> 73
> Stephen
> K1LNX
>
> On Thu, Aug 4, 2016 at 9:05 AM, <mike at midnighteng.com> wrote:
>
>>
>> Sorry,
>> I do have to ask the obvious,
>> Are you sure you are testing the output correctly ?
>> I believe these FLOAT and switch to ground when active.
>> Just like a parallel port.Don't use them so I don't know for sure.
>> So you need to check continuity between ground and the pin in question
>> for activity.
>>
>> ...mike/kb8jnm
>>
>> > I'm trying to manipulate a GPIO pin off of a URIx and I am not able to
>> get
>> > it to work for whatever reason. If I send a cop,62 command to toggle
>> it, it
>> > does not change the state.
>> >
>> > I found this message from Jim that was posted in June 2011:
>> >
>> > http://ohnosec.org/pipermail/app_rpt-users/2011-June/002725.html
>> >
>> > Does anyone know if this was ever implemented? This was quite some time
>> > ago.
>> >
>> > I might be able to use usbradio instead for my application, but prefer
>> > SimpleUSB as it's easier to implement.
>> >
>> > 73
>> > Stephen
>> > K1LNX
>> > _______________________________________________
>> > App_rpt-users mailing list
>> > App_rpt-users at ohnosec.org
>> > http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>> >
>> > To unsubscribe from this list please visit
>> > http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll
>> down to the
>> > bottom of the page. Enter your email address and press the "Unsubscribe
>> or edit
>> > options button"
>> > You do not need a password to unsubscribe, you can do it via email
>> confirmation. If
>> > you have trouble unsubscribing, please send a message to the list
>> detailing the
>> > problem.
>>
>>
>> _______________________________________________
>> App_rpt-users mailing list
>> App_rpt-users at ohnosec.org
>> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>>
>> To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mai
>> lman/listinfo/app_rpt-users and scroll down to the bottom of the page.
>> Enter your email address and press the "Unsubscribe or edit options button"
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>> confirmation. If you have trouble unsubscribing, please send a message to
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>
>
>
> ---------- Forwarded message ----------
> From: David McGough <kb4fxc at inttek.net>
> To: app_rpt mailing list <app_rpt-users at ohnosec.org>
> Cc:
> Date: Thu, 4 Aug 2016 09:19:09 -0400 (EDT)
> Subject: Re: [App_rpt-users] SimpleUSB gpio?
>
>
> Hi Stephen,
>
> While the CM108/CM119 audio chips found in URI's are powered from the +5V
> USB source, they contain an internal +3.3V regulator and are internally
> completely 3.3V logic....So, you'll never see more than +3.3V as a
> logic "high" level coming from the GPIO pins.
>
>
>
> 73, David KB4FXC
>
>
> On Thu, 4 Aug 2016, Stephen - K1LNX wrote:
>
> > An update on this, and I've learned something that was not so obvious to
> > me, so I'll put this out there in case someone runs into this in the
> future.
> >
> > Consider my dilemma.. I am using an RTCM to drive a pair of radios in
> full
> > duplex mode. I needed to drive a relay (or MOSFET board in my case, more
> on
> > that in a bit) to turn a fan on the transmit radio on and off as needed.
> > Considering there are no GPIO's on the RTCM, I had a URIx also connected
> > that I planned on using for another application that I thought I could
> tap
> > the GPIO off of. I found Kyle, K0KN's excellent fan script, as well as
> this
> > resource:
> >
> > http://latinovoip.net/allstar-and-the-gpio-fan-script-for-
> dmk-engineering-uri/
> >
> > I elected to use the version linked above, and got everything configured,
> > but discovered my cop,62 commands were not working to toggle the GPIO
> line
> > on the URI. I tried a variety of differing configs and troubleshooting
> > methods, none of which worked, when I finally tried to issue the cop
> > command from the node that is on the URI instead as a test, and what do
> you
> > know, it worked.
> >
> > It also appears that GPIO support was added into chan_simpleusb as of
> > revision 1060:
> > http://svn.ohnosec.org/viewvc/projects/allstar/astsrc-1.4.
> 23-pre/trunk/asterisk/channels/chan_simpleusb.c?
> revision=1060&root=svn&view=markup
> >
> > On the hardware side, I had issues with the relay board I was using. I
> was
> > seeing approximately 3.25 v when the GPIO was toggled to an on state on
> the
> > URI. That was not enough to "trigger" the relay board to fire the relay,
> it
> > needs right at a solid 5 volts. Rather than add another piece of hardware
> > to ramp the voltage up, I ran across this on Ebay:
> >
> > http://www.ebay.com/itm/301357646243?_trksid=p2057872.
> m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
> >
> > This is a 3 channel MOSFET board that will switch the output on above
> 2.5v,
> > off at ground. Perfect for my application. I have yet to test it, but
> have
> > high confidence it will work just fine for my intended purpose.
> >
> > On the software side, I had to make a few small changes in the scripts
> that
> > I got from the link above, most notably:
> >
> > run_app_rpt_fan.sh
> > /etc/asterisk/local/app_rpt_fan.sh 1999 > /dev/null & ; change 1999 to
> the
> > node number that is attached to the URI, a private node in my case
> >
> > app_rpt_fan.sh
> > PTTSTATE="/tmp/RPT_TXKEYED1999" ; change from the $1 variable to the
> node
> > number that is attached to the RTCM instead
> >
> > There are more likely easier solutions than what I've provided above, but
> > this does work as intended now. After 10 seconds, GPIO1 goes high, goes
> > back to ground after 10 minutes. An even easier solution would be to
> > probably just use a snapdisc and have it fire on a certain temperature,
> but
> > I wanted more granular control so that wasn't really an option. I could
> > have also elected to use a Raspberry Pi and tap one of the GPIO's there
> > instead, but my AllStar server is built on an x86 box running other
> > applications so that wasn't really an option either.
> >
> > I'd like to explore the possibility of maybe having chan_voter talk to
> the
> > GPIO's in chan_usb or simpleusb. We could say add a config to the
> > voter.conf file for the particulars for example. Not sure what this would
> > take, but curious if it could be done?
> >
> > Hope this helps someone in the future...
> >
> > 73
> > Stephen
> > K1LNX
> >
> >
> > On Thu, Aug 4, 2016 at 3:32 AM, Stephen - K1LNX <k1lnx at k1lnx.net> wrote:
> >
> > > I'm trying to manipulate a GPIO pin off of a URIx and I am not able to
> get
> > > it to work for whatever reason. If I send a cop,62 command to toggle
> it, it
> > > does not change the state.
> > >
> > > I found this message from Jim that was posted in June 2011:
> > >
> > > http://ohnosec.org/pipermail/app_rpt-users/2011-June/002725.html
> > >
> > > Does anyone know if this was ever implemented? This was quite some time
> > > ago.
> > >
> > > I might be able to use usbradio instead for my application, but prefer
> > > SimpleUSB as it's easier to implement.
> > >
> > > 73
> > > Stephen
> > > K1LNX
> > >
> >
>
>
>
>
> ---------- Forwarded message ----------
> From: Stephen - K1LNX <k1lnx at k1lnx.net>
> To: David McGough <kb4fxc at inttek.net>
> Cc: app_rpt mailing list <app_rpt-users at ohnosec.org>
> Date: Thu, 4 Aug 2016 09:22:09 -0400
> Subject: Re: [App_rpt-users] SimpleUSB gpio?
> Ahh ok... thanks David, and that makes sense so I appreciate the
> clarification :)
>
> On Thu, Aug 4, 2016 at 9:19 AM, David McGough <kb4fxc at inttek.net> wrote:
>
>>
>>
>> Hi Stephen,
>>
>> While the CM108/CM119 audio chips found in URI's are powered from the +5V
>> USB source, they contain an internal +3.3V regulator and are internally
>> completely 3.3V logic....So, you'll never see more than +3.3V as a
>> logic "high" level coming from the GPIO pins.
>>
>>
>>
>> 73, David KB4FXC
>>
>>
>> On Thu, 4 Aug 2016, Stephen - K1LNX wrote:
>>
>> > An update on this, and I've learned something that was not so obvious to
>> > me, so I'll put this out there in case someone runs into this in the
>> future.
>> >
>> > Consider my dilemma.. I am using an RTCM to drive a pair of radios in
>> full
>> > duplex mode. I needed to drive a relay (or MOSFET board in my case,
>> more on
>> > that in a bit) to turn a fan on the transmit radio on and off as needed.
>> > Considering there are no GPIO's on the RTCM, I had a URIx also connected
>> > that I planned on using for another application that I thought I could
>> tap
>> > the GPIO off of. I found Kyle, K0KN's excellent fan script, as well as
>> this
>> > resource:
>> >
>> > http://latinovoip.net/allstar-and-the-gpio-fan-script-for-dm
>> k-engineering-uri/
>> >
>> > I elected to use the version linked above, and got everything
>> configured,
>> > but discovered my cop,62 commands were not working to toggle the GPIO
>> line
>> > on the URI. I tried a variety of differing configs and troubleshooting
>> > methods, none of which worked, when I finally tried to issue the cop
>> > command from the node that is on the URI instead as a test, and what do
>> you
>> > know, it worked.
>> >
>> > It also appears that GPIO support was added into chan_simpleusb as of
>> > revision 1060:
>> > http://svn.ohnosec.org/viewvc/projects/allstar/astsrc-1.4.23
>> -pre/trunk/asterisk/channels/chan_simpleusb.c?revision=
>> 1060&root=svn&view=markup
>> >
>> > On the hardware side, I had issues with the relay board I was using. I
>> was
>> > seeing approximately 3.25 v when the GPIO was toggled to an on state on
>> the
>> > URI. That was not enough to "trigger" the relay board to fire the
>> relay, it
>> > needs right at a solid 5 volts. Rather than add another piece of
>> hardware
>> > to ramp the voltage up, I ran across this on Ebay:
>> >
>> > http://www.ebay.com/itm/301357646243?_trksid=p2057872.m2749.
>> l2649&ssPageName=STRK%3AMEBIDX%3AIT
>> >
>> > This is a 3 channel MOSFET board that will switch the output on above
>> 2.5v,
>> > off at ground. Perfect for my application. I have yet to test it, but
>> have
>> > high confidence it will work just fine for my intended purpose.
>> >
>> > On the software side, I had to make a few small changes in the scripts
>> that
>> > I got from the link above, most notably:
>> >
>> > run_app_rpt_fan.sh
>> > /etc/asterisk/local/app_rpt_fan.sh 1999 > /dev/null & ; change 1999 to
>> the
>> > node number that is attached to the URI, a private node in my case
>> >
>> > app_rpt_fan.sh
>> > PTTSTATE="/tmp/RPT_TXKEYED1999" ; change from the $1 variable to the
>> node
>> > number that is attached to the RTCM instead
>> >
>> > There are more likely easier solutions than what I've provided above,
>> but
>> > this does work as intended now. After 10 seconds, GPIO1 goes high, goes
>> > back to ground after 10 minutes. An even easier solution would be to
>> > probably just use a snapdisc and have it fire on a certain temperature,
>> but
>> > I wanted more granular control so that wasn't really an option. I could
>> > have also elected to use a Raspberry Pi and tap one of the GPIO's there
>> > instead, but my AllStar server is built on an x86 box running other
>> > applications so that wasn't really an option either.
>> >
>> > I'd like to explore the possibility of maybe having chan_voter talk to
>> the
>> > GPIO's in chan_usb or simpleusb. We could say add a config to the
>> > voter.conf file for the particulars for example. Not sure what this
>> would
>> > take, but curious if it could be done?
>> >
>> > Hope this helps someone in the future...
>> >
>> > 73
>> > Stephen
>> > K1LNX
>> >
>> >
>> > On Thu, Aug 4, 2016 at 3:32 AM, Stephen - K1LNX <k1lnx at k1lnx.net>
>> wrote:
>> >
>> > > I'm trying to manipulate a GPIO pin off of a URIx and I am not able
>> to get
>> > > it to work for whatever reason. If I send a cop,62 command to toggle
>> it, it
>> > > does not change the state.
>> > >
>> > > I found this message from Jim that was posted in June 2011:
>> > >
>> > > http://ohnosec.org/pipermail/app_rpt-users/2011-June/002725.html
>> > >
>> > > Does anyone know if this was ever implemented? This was quite some
>> time
>> > > ago.
>> > >
>> > > I might be able to use usbradio instead for my application, but prefer
>> > > SimpleUSB as it's easier to implement.
>> > >
>> > > 73
>> > > Stephen
>> > > K1LNX
>> > >
>> >
>>
>> _______________________________________________
>> App_rpt-users mailing list
>> App_rpt-users at ohnosec.org
>> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>>
>> To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mai
>> lman/listinfo/app_rpt-users and scroll down to the bottom of the page.
>> Enter your email address and press the "Unsubscribe or edit options button"
>> You do not need a password to unsubscribe, you can do it via email
>> confirmation. If you have trouble unsubscribing, please send a message to
>> the list detailing the problem.
>>
>
>
> _______________________________________________
> App_rpt-users mailing list
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> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>
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