[arm-allstar] Fan Control

Tue Apr 28 12:48:33 EDT 2020

Bad morning -  Again one two many X's in the first line!

/etc/asterisk/local/check_fan 1 = s|t|RPT_TXKEYED
/etc/asterisk/local/check_fan 0 = s|f|RPT_TXKEYED

*73 Doug, WA3DSP*
*http://wa3dsp.org <http://wa3dsp.org>*
On Tue, Apr 28, 2020 at 12:46 PM Doug Crompton <wa3dsp at gmail.com> wrote:

> Correction - one line was left out in the last email. The events section
> should have these two lines -
>
> /etc/asterisk/local/check_fan 1 = s|t|RPT_TXXKEYED
> /etc/asterisk/local/check_fan 0 = s|f|RPT_TXKEYED
>
> *73 Doug, WA3DSP*
> *http://wa3dsp.org <http://wa3dsp.org>*
>
> On Tue, Apr 28, 2020 at 12:42 PM Doug Crompton <wa3dsp at gmail.com> wrote:
>
>> Ron,
>>
>>  I l;ooked way back at that original email. While that should work there
>> is a slightly better way to do it....
>>
>> Create this script at the Linux prompt -
>>
>> cd /etc/asterisk/local
>>
>> nano check_fan
>>
>> Then enter this -  Change the 23's to another bit if you want
>>
>> #!/bin/bash
>>
>> gpio mode 23 out
>>
>> if [ "$1" = "1" ]
>>   then
>>     gpio write 23 1
>> else
>>     gpio write 23 0
>> fi
>>
>> Save it
>>
>> Make the script executable
>>
>> chmod 750 check_fan
>>
>> Edit /etc/asterisk/rpt.conf
>>
>> in the [eventsxxxxx] section add
>>
>> /etc/asterisk/check_fan 1 = s|t|RPT_TXKEYED
>>
>> Make sure in the node section you have
>>
>> events=eventsxxxxx
>>
>> The xxxxx is your node number
>>
>> Restart Asterisk
>>
>> astres.sh
>>
>> Use  gpio readall   to test.  Example
>>
>> unkeyed  - 23 shows 0
>>
>> gpio readall
>>
>>    5 |  21 | GPIO.21 |   IN | 1 | 29 || 30 |   |      | 0v      |     |
>>   |
>>  |   6 |  22 | GPIO.22 |   IN | 1 | 31 || 32 | 0 | IN   | GPIO.26 | 26  |
>> 12  |
>>  |  13 |  23 | GPIO.23 |  OUT | 0 | 33 || 34 |   |      | 0v      |     |
>>     |
>>  |  19 |  24 | GPIO.24 |   IN | 0 | 35 || 36 | 0 | IN   | GPIO.27 | 27  |
>> 16  |
>>  |  26 |  25 | GPIO.25 |   IN | 0 | 37 || 38 | 0 | IN   | GPIO.28 | 28  |
>> 20  |
>>  |     |     |      0v |      |   | 39 || 40 | 0 | IN   | GPIO.29 | 29  |
>> 21  |
>>
>>  +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
>>  | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi |
>> BCM |
>>  +-----+-----+---------+------+---+---Pi
>> 3---+---+------+---------+-----+-----+
>>
>> Keyed
>>
>> |     |     |      0v |      |   | 25 || 26 | 1 | IN   | CE1     | 11  |
>> 7   |
>>  |   0 |  30 |   SDA.0 |   IN | 1 | 27 || 28 | 1 | IN   | SCL.0   | 31  |
>> 1   |
>>  |   5 |  21 | GPIO.21 |   IN | 1 | 29 || 30 |   |      | 0v      |     |
>>     |
>>  |   6 |  22 | GPIO.22 |   IN | 1 | 31 || 32 | 0 | IN   | GPIO.26 | 26  |
>> 12  |
>>  |  13 |  23 | GPIO.23 |  OUT | 1 | 33 || 34 |   |      | 0v      |     |
>>     |
>>  |  19 |  24 | GPIO.24 |   IN | 0 | 35 || 36 | 0 | IN   | GPIO.27 | 27  |
>> 16  |
>>  |  26 |  25 | GPIO.25 |   IN | 0 | 37 || 38 | 0 | IN   | GPIO.28 | 28  |
>> 20  |
>>  |     |     |      0v |      |   | 39 || 40 | 0 | IN   | GPIO.29 | 29  |
>> 21  |
>>
>>  +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
>>  | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi |
>> BCM |
>>  +-----+-----+---------+------+---+---Pi
>> 3---+---+------+---------+-----+-----+
>>
>> 23 shows 1
>>
>> Then use bit 23 (or the bit you choose) to run the relay.  Remember these
>> bits are 3V high and 0 low and low current. You need to have a relay or
>> solid state relay that works with that.
>>
>> *73 Doug, WA3DSP*
>> *http://wa3dsp.org <http://wa3dsp.org>*
>>
>>
>>
>> On Tue, Apr 28, 2020 at 12:06 PM "Ron Gilson via ARM-allstar" <
>> arm-allstar at hamvoip.org> wrote:
>>
>>> The script you wrote 10/2018.  I copied and paste hopefully not making
>>> any
>>> goofs ?  If this is not practical I can use a thermostat on the heat
>>> sink?
>>> Thanks for all your help.  Ron
>>>
>>>
>>> On Mon, Apr 27, 2020 at 9:22 PM "Doug Crompton via ARM-allstar" <
>>> arm-allstar at hamvoip.org> wrote:
>>>
>>> > Ron,
>>> >
>>> >   What info are you using for this? What script?
>>> >
>>> > *73 Doug, WA3DSP*
>>> > *http://wa3dsp.org <http://wa3dsp.org>*
>>> >
>>> >
>>> > On Mon, Apr 27, 2020 at 8:14 PM "Ron Gilson via ARM-allstar" <
>>> > arm-allstar at hamvoip.org> wrote:
>>> >
>>> > > Recently I built a suitcase repeater.  Since this is a battery
>>> operated
>>> > > repeater and power is limited, I decided to use the fan script.
>>> After
>>> > > adding the fan_control.sh in the /etc/asterisk/local and adding
>>> > > local/fan_control.sh to rc.local along with the 3 lines to events I
>>> did a
>>> > > reboot but pin 33 bit 23 does not change after a ptt???  Have I
>>> missed
>>> > > something ?  Thanks
>>> > > Ron  WA2WWK
>>> > > _______________________________________________
>>> > >
>>> > > ARM-allstar mailing list
>>> > > ARM-allstar at hamvoip.org
>>> > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>> > >
>>> > > Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
>>> > >
>>> > _______________________________________________
>>> >
>>> > ARM-allstar mailing list
>>> > ARM-allstar at hamvoip.org
>>> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>> >
>>> > Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
>>> >
>>> _______________________________________________
>>>
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>>>
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>>>
>>