Digi TX54 User Manual page 491

Applications
Task one: Use the device_request module on your TX54 device to create a
response
1. Log into the TX54 command line as a user with shell access.
Depending on your device configuration, you may be presented with an Access selection
menu. Type shell to access the device shell.
2. At the shell prompt, use the python command with no parameters to enter an interactive
Python session:
# python
Python 3.6.10 (default, Jan 31 2020, 08:45:19)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
3. Import the device_request module:
>>> from digidevice import device_request
>>>
4. Create a function to handle the request from Remote Manager:
>>> def handler(target, request):
...
...
...
>>>
5. Register a callbackup function that will be called when the device receives a SCI request from
Remote Manager:
>>> device_request.register("myTarget", handler)
>>>
Note Leave the interactive Python session active while completing task two, below. Once you have
completed task two, exit the interactive session by using Ctrl-D. You can also exit the session using
exit() or quit().
Task two: Create and send an SCI request from Digi Remote Manager
The second step in using the device_request module is to create an SCI request that Remote
Manager will forward to the device. For example, you can create in SCI request a the Remote Manager
API explorer:
1. In Remote Manager, click Documentation > API Explorer.
2. Select the device to use as the SCI target:
a. Click SCI Targets.
b. Click Add Targets.
c. Enter or select the device ID of the device.
d. Click Add.
e. Click OK.
TX54 User Guide
print ("received request %s for target %s" % (request, target))
return "OK"
Digidevice module
491