Difference between revisions of "Template:Networking trb141 manual input output status"

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<pre>
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ioman.acl.acl0
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ioman.adc.adc0
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ioman.dwi.dwi0
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ioman.dwi.dwi1
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ioman.gpio.dio0
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ioman.gpio.dio1
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ioman.gpio.iio
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ioman.gpio.onewire
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ioman.relay.relay0
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ioman.relay.relay1
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</pre>
  
ioman.acl.acl0
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In order to read value use the <b><i>status</i></b> command:
ioman.adc.adc0
 
ioman.dwi.dwi0
 
ioman.dwi.dwi1
 
ioman.gpio.dio0
 
ioman.gpio.dio1
 
ioman.gpio.iio
 
ioman.gpio.onewire
 
ioman.relay.relay0
 
ioman.relay.relay1
 
 
 
In order to read value use '''''status''''' command.
 
  
 
  ubus call ioman.gpio.dio0 status
 
  ubus call ioman.gpio.dio0 status
 
  ubus call ioman.relay.relay0 status
 
  ubus call ioman.relay.relay0 status
  
To change input settings use '''''update''''' command and write the value.
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To change input settings use the <i><b>update</i></b> command and specify a value:
  
 
  ubus call ioman.gpio.dio0 update '{"value":"0"}'
 
  ubus call ioman.gpio.dio0 update '{"value":"0"}'
 
  ubus call ioman.gpio.dio0 update '{"value":"1"}'
 
  ubus call ioman.gpio.dio0 update '{"value":"1"}'
  
To change relay settings use '''''update''''' command and write state.
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To change relay settings use yhr <i><b>update</i></b> command and specify a state:
  
 
  ubus call ioman.relay.relay0 update '{"state":"open"}'
 
  ubus call ioman.relay.relay0 update '{"state":"open"}'
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  iio (isolated input) input 1021 (to read value refer to gpio1021)
 
  iio (isolated input) input 1021 (to read value refer to gpio1021)
  
In order to read digital input value use <i>cat</i> command.
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In order to read digital input value use the <b><i>cat</i></b> command:
  
 
  cat /sys/class/gpio/gpio14/value
 
  cat /sys/class/gpio/gpio14/value
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  cat /sys/class/gpio/gpio1021/value
 
  cat /sys/class/gpio/gpio1021/value
  
To change input state use <b><i>echo</i></b> command where "1" is "dry" state and "0" is "wet" state.
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To change an input state usethe  <b><i>echo</i></b> command (where "1" is "dry" state and "0" is "wet" state):
  
 
  echo 0 > /sys/class/gpio/gpio12/value
 
  echo 0 > /sys/class/gpio/gpio12/value
 
  echo 1 > /sys/class/gpio/gpio38/value
 
  echo 1 > /sys/class/gpio/gpio38/value
  
When one Relay output is open, the other one is closed, so turning on/off the output you will have to change value on both pins. For that <i><b>echo</i></b> command is used. Same principle applies to Latching Relay output.
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When one Relay output is open, the other one is closed, so to turn an output on or off, you will have to change value on both pins:
  
 
  echo 1 > /sys/class/gpio/gpio20/value & echo 0 > /sys/class/gpio/gpio22/value
 
  echo 1 > /sys/class/gpio/gpio20/value & echo 0 > /sys/class/gpio/gpio22/value
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====ADC (Analog Input)====
 
====ADC (Analog Input)====
 
----
 
----
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The ADC (Analog Input) value can be read from a different directory:
  
ADC (Analog input) can be read from different directory, '''''/sys/devices/qpnp-vadc-8/mpp4_vadc''''' also using '''''cat''''' command, but received Result value has to be divided by 126582 to get number in volts.
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cat /sys/devices/qpnp-vadc-8/mpp4_vadc  
  
cat /sys/devices/qpnp-vadc-8/mpp4_vadc
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<b>Divide the result by 126582</b> in order to convert the number into volts (V).
  
 
====One-wire====
 
====One-wire====
 
----
 
----
 
 
To read one-wire sensor data you will need to follow these steps:
 
To read one-wire sensor data you will need to follow these steps:
  
Set one-wire sensor '''''value''''' to '''''1''''' using '''''ubus''''' command.
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<ol>
 
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    <li>Set one-wire sensor value to "1' using the <i>ubus</i> command: <pre>ubus call ioman.gpio.onewire update '{"value":"1"}'</pre></li>
  ubus call ioman.gpio.onewire update '{"value":"1"}'
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    <li>List the connected one-wire devices from the <i>/sys/bus/w1/devices</i> directory using the <b><i>ls</i></b> command: <pre>ls /sys/bus/w1/devices</pre></li>
 
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    <li>Choose a sensor to read and obtain its state from the <i>/sys/bus/w1/devices/&#60;device_name&#62;/w1_slave</i> directory: <pre>cat /sys/bus/w1/devices/&#60;device_name&#62;/w1_slave</pre></li>
After that list out connected one-wire devices in directory '''''/sys/bus/w1/devices''''' with '''''ls''''' command.
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</ol>
 
 
  ls /sys/bus/w1/devices
 
 
 
Choose sensor that you want to know values off and using '''''cat''''' command read them from '''''/sys/bus/w1/devices/&#60;device_name&#62;/w1_slave''''' directory.
 
 
 
  cat /sys/bus/w1/devices/&#60;device_name&#62;/w1_slave
 

Revision as of 09:05, 4 November 2020

ioman.acl.acl0
ioman.adc.adc0
ioman.dwi.dwi0
ioman.dwi.dwi1
ioman.gpio.dio0
ioman.gpio.dio1
ioman.gpio.iio
ioman.gpio.onewire
ioman.relay.relay0
ioman.relay.relay1

In order to read value use the status command:

ubus call ioman.gpio.dio0 status
ubus call ioman.relay.relay0 status

To change input settings use the update command and specify a value:

ubus call ioman.gpio.dio0 update '{"value":"0"}'
ubus call ioman.gpio.dio0 update '{"value":"1"}'

To change relay settings use yhr update command and specify a state:

ubus call ioman.relay.relay0 update '{"state":"open"}'
ubus call ioman.relay.relay0 update '{"state":"closed"}'

Reading I/O values from directory


You can also collect I/O values straight from directories in your device.

Digital inputs, Relay outputs


The following is a list of I/O directories in /sys/class/gpio/:

dwi1(dry wet) input 14; toggle 12 (to read value refer to gpio14, to change state dry/wet refer to gpio12)
dwi2(dry wet) input 15; toggle 38 (to read value refer to gpio15, to change state dry/wet refer to gpio38)
relay open 20; closed 22; (turn off gpio20 set to 0, turn on gpio22 set value to 1; and visa versa)
latching relay open 23; close 21 (turn off gpio23 set to 0, turn on gpio21 set value to 1; and visa versa)
dio0 (power socket) input 13; output 16 (direction can be changed, to read input use gpio13, to control output use gpio16)
dio1 (power socket) input 17; output 78 (direction can be changed, to read input use gpio17, to control output use gpio78)
iio (isolated input) input 1021 (to read value refer to gpio1021)

In order to read digital input value use the cat command:

cat /sys/class/gpio/gpio14/value
cat /sys/class/gpio/gpio15/value
cat /sys/class/gpio/gpio1021/value

To change an input state usethe echo command (where "1" is "dry" state and "0" is "wet" state):

echo 0 > /sys/class/gpio/gpio12/value
echo 1 > /sys/class/gpio/gpio38/value

When one Relay output is open, the other one is closed, so to turn an output on or off, you will have to change value on both pins:

echo 1 > /sys/class/gpio/gpio20/value & echo 0 > /sys/class/gpio/gpio22/value
echo 1 > /sys/class/gpio/gpio23/value & echo 0 > /sys/class/gpio/gpio21/value

ADC (Analog Input)


The ADC (Analog Input) value can be read from a different directory:

cat /sys/devices/qpnp-vadc-8/mpp4_vadc 

Divide the result by 126582 in order to convert the number into volts (V).

One-wire


To read one-wire sensor data you will need to follow these steps:

  1. Set one-wire sensor value to "1' using the ubus command:
    ubus call ioman.gpio.onewire update '{"value":"1"}'
  2. List the connected one-wire devices from the /sys/bus/w1/devices directory using the ls command:
    ls /sys/bus/w1/devices
  3. Choose a sensor to read and obtain its state from the /sys/bus/w1/devices/<device_name>/w1_slave directory:
    cat /sys/bus/w1/devices/<device_name>/w1_slave