[arm-allstar] Fan Control Using URI (or RIM) I/O

Eric Harrison n7jys at yahoo.com
Tue Aug 30 17:45:15 EST 2016 

Ok call me brain dead so I read back through the article and finally understandwhat I was doing wrong!! Got it working. Persistent's pays off! Thanks every onefor the help!    Eric (N7JYS) Marshall's Communications

      From: Roselito de los Reyes via arm-allstar <arm-allstar at hamvoip.org>
 To: ARM Allstar <arm-allstar at hamvoip.org> 
Cc: Roselito de los Reyes <tolitski at hotmail.com>
 Sent: Tuesday, August 30, 2016 3:06 PM
 Subject: Re: [arm-allstar] Fan Control Using URI (or RIM) I/O
   
Hi Eric,
Have you added the code snippet at the end of rc.local allowing the script to be loaded every time the node is restarted? It's stated in the comments of K0KN's script.

73,
Lito KI9H


On Aug 30, 2016, at 11:33 AM, Eric Harrison via arm-allstar <arm-allstar at hamvoip.org> wrote:


After following all the instructions I  find this script does not start on a keyup.
In doing some hacking on the app_rpt_fan.sh I can make it work by replacing
PTTSTATE="/tmp/RPT_TXKEYED$1"  with
PTTSTATE="/tmpRPT_TXKEHED42285"   (42285 my node) and
FANON="/usr/bin/asterisk -rx \"rpt fun $1 *880\""  with
FANON="/usr/bin/asterisk -rx \"rpt fun 42285 *880\""   and

FANOFF="/usr/bin/asterisk -rx \"rpt fun $1 *881\""  with

FANOFF="/usr/bin/asterisk -rx \"rpt fun 42285 *881\""  


The file that get's written and removed from the tmp directory is
 [events 42285]
touch /tmp/RPT_KEYED42285 = s|t|RPT_TXKEYED
rm -f /tmp/RPT_KEYED42285 = s|f|RPT_TXKEYED
work fine.  In a test script PTTSTATE="/tmp/RPT_TXKEYED$1" tells me
file or directory does not exist even though I can see it on a keyup and  command
ls /tmp. Why is it not liking $1? 


 Eric (N7JYS) Marshall's Communications

      From: Roselito de los Reyes via arm-allstar <arm-allstar at hamvoip.org>
 To: ARM Allstar <arm-allstar at hamvoip.org> 
Cc: Roselito de los Reyes <tolitski at hotmail.com>
 Sent: Friday, August 26, 2016 5:31 PM
 Subject: Re: [arm-allstar] Fan Control Using URI (or RIM) I/O
  
#yiv0041850378 --.yiv0041850378hmmessage P{margin:0px;padding:0px;}#yiv0041850378 body.yiv0041850378hmmessage{font-size:12pt;font-family:Calibri;}#yiv0041850378 Hi John,
I did try to recreate the issue using the Hamvoip code and I was able to create the state file in the '/tmp' folder.  and from there you can reference that location in the script that K0KN has written.
This is what I added in the rpt.conf file inside your node stanzaevents=events1968 ; change 1968 to your own node number or don't put one
After the node stanzas in the rpt.conf file, add this :
[events1968]touch /tmp/RPT_TXKEYED1968 = S|T|RPT_TXKEYEDrm -f /tmp/RPT_TXKEYED1968 = S|F|RPT_TXKEYED

Then on the txfan script change the followingPTTSTATE="/dev/shm/~pttstate" toPTTSTATE="/tmp/RPT_TXKEYED1968"
This should work using the HamVOIP version.73,
Lito KI9H
Date: Fri, 26 Aug 2016 17:18:38 -0500
To: arm-allstar at hamvoip.org
Subject: Re: [arm-allstar] Fan Control Using URI (or RIM) I/O
From: arm-allstar at hamvoip.org
CC: wb5nfc at gmail.com

Thanks for the info, Roselito. One of the things I have not been able to resolve is a reference to a folder that does not exist. At first, I thought that it was just a difference in the distributions (I'm using RPi2-3 V1.02beta - with simpleusb - but attempting to follow the instructions on the latinovoip site). So I downloaded the latinovoip distro maintained by KP4TR, unzipped it, loaded it on a fresh micro SSD card, and booted it. I then went looking for the /etc/asterisk/local folder... but it does not exist in that version, either. The /etc/asterisk/local folder is mentioned a couple of times in the instructions on the latinovoip site...
J. 


On Fri, Aug 26, 2016 at 4:51 PM, Roselito de los Reyes via arm-allstar <arm-allstar at hamvoip.org> wrote:

John,
Also, make sure the file that you're monitoring ie. PTTSTATE="/dev/shm/~pttstate" is in the right folder. the Latinovoip version is located in /tmp
73
Lito KI9H

To: arm-allstar at hamvoip.org
Date: Fri, 26 Aug 2016 14:44:05 -0700
Subject: Re: [arm-allstar] Fan Control Using URI (or RIM) I/O
From: arm-allstar at hamvoip.org
CC: tolitski at hotmail.com

my mistake .. it looks like you DO have to make changes to your rpt.conf file to create the /dev/shm/~pttstate file.
Lito

To: arm-allstar at hamvoip.org
Date: Fri, 26 Aug 2016 14:42:40 -0700
Subject: Re: [arm-allstar] Fan Control Using URI (or RIM) I/O
From: arm-allstar at hamvoip.org
CC: tolitski at hotmail.com

John,
the k0kn version refers to an old code from the Acid release. it looks like a file is generated whenever the PTT is pressed and that is what K0KN's code is looking for. I don't think this is valid with the HamVOIP code. I could be wrong.
73,
Lito KI9H

Date: Fri, 26 Aug 2016 16:01:08 -0500
To: arm-allstar at hamvoip.org
Subject: [arm-allstar] Fan Control Using URI (or RIM) I/O
From: arm-allstar at hamvoip.org
CC: wb5nfc at gmail.com

Can anyone point me in the direction of documentation on how to set up a node radio cooling fan using an I/O port on a URI or RIM? I don't want to use a temperature sensor.
I've found the K0KN script (http://www.qsl.net/k0kn/txfan ), but I'm not having any luck making it work. I've looked through the How To's on the ARM Allstar site, but I'm only finding info for using USB with a FTDI chip. Thought I could figure it out with info from http://latinovoip.net/ allstar-and-the-gpio-fan- script-for-dmk-engineering- uri/  but I'm not having any luck with that information either. Suggestions appreciated....
John 
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