schlabonski / evalcontrol Goto Github PK

The link on the main page to the MIT Labview library that this work is based on is dead.
http://cua.mit.edu/AD9959-USB-drivers/

I'd be interested in looking at that code, is that available anywhere?

Hi

I am trying to use a 2 level modulation, and I understand that I will need to use the functions, enable_channel_modulation and enable_modulation. To write the values to register I understand I need to make use of write_to_dds_register however I don't understand how to set the values as explained below:

" :register: hex
ID of the target register on the DDS chip.
:word: bytearray
word that is written to the respective register. Each byte in
the bytearray should be either 0x00 or 0x01.
"

Could you please give me some examples

Hello,

I have installed your application under Ubuntu 16.04 and I think I meet all the dependencies( PyUSB, libsub), but I do not have much success using it so far. I just want to set the frequency and phase of each of the 4 port, not much more for the time being. I am running the latest version of Ubuntu 16.04.

I am trying to use your application with an AD9958/9959 control board sold on ebay (see link below) and that works fine with the evaluation board software under Windows 10 ( I have tested it ok on a dedicated native windows 10 PC )

https://www.ebay.com/itm/4-channel-AD9959-DDS-Generator-Module-USB2-0-control-board/152605192513?hash=item2387fa7141:g:8-IAAOSwbopZVUiV

Here is the error that I get:

root@abc:~/evalcontrol# ./set_frequency_example.py
import: unable to open image evalcontrol': Is a directory @ error/blob.c/OpenBlob/2712. ./set_frequency_example.py: line 3: syntax error near unexpected token ('
./set_frequency_example.py: line 3: `evaluation_board = evalcontrol.AD9959()'

If instead I use ;

root@abc:~/evalcontrol# python3 ./set_frequency_example.py
Traceback (most recent call last):
File "./set_frequency_example.py", line 3, in
evaluation_board = evalcontrol.AD9959()
File "/home/peter/evalcontrol/evalcontrol/ad9959.py", line 43, in init
assert len(devs) > 0, dev_mess
AssertionError: No devices with matching vID/pID 1110/60965 found!
Exception ignored in: <bound method AD9959.del of <evalcontrol.ad9959.AD9959 object at 0x7f20aaa26438>>
Traceback (most recent call last):
File "/home/peter/evalcontrol/evalcontrol/ad9959.py", line 83, in del
usb.util.dispose_resources(self.dev)
AttributeError: 'AD9959' object has no attribute 'dev'

Please provide me some guidance on on how to use your app. I really would like to try to avoid using my windows 7 PC, not my favourite os ;-)

Thanks
Peter

Hi, can you help me with the errors below please? Thanks

File "C:\evalcontrol\venv\lib\site-packages\usb\backend\libusb1.py", line 600, in _check
raise NotImplementedError(_strerror(ret))
NotImplementedError: Operation not supported or unimplemented on this platform
Exception ignored in: <function AD9959.del at 0x000001EE71A63E58>
Traceback (most recent call last):
File "C:\evalcontrol\evalcontrol\ad9959.py", line 86, in del
usb.util.dispose_resources(self.dev)
AttributeError: 'AD9959' object has no attribute 'dev'

Hi Fabian

Could you please tell me how to initialise the board without first running the native software. I understand that there is the init function however when I run the script below, I don't see any changes in the frequency in channel 0. To reiterate I can set the frequencies using this module after I have first set the frequency in the native software.

`import evalcontrol
import time

evaluation_board = evalcontrol.AD9959()

#evaluation_board._reset_usb_handler()
evaluation_board.init(vid=0x0456, pid=0xee25, port_numbers=None, bus_number=None, auto_update=True,
rfclk=20e6, clkmtp=20, channel=0)
evaluation_board.set_frequency(2e6, channel=[0])

`

Hi Fabian

I only have one problem outstanding. How do you set the profile pins to be on and off using the python module. As it is done using the proprietary software without any external signals to the header pins surely it must be possible using the python module. I want to be able to upload frequency profiles regularly and activate the modulation mode.