Forum: Embedded Applications
08-10-2016, 11:31 PM
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Replies: 4
Views: 14,677
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Forum: Embedded Applications
08-06-2016, 05:44 PM
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Replies: 4
Views: 14,677
IOCTL_USB_DISCONNECT, right or wrong track?
A call to this function of libusb in linux.c
int usb_detach_kernel_driver_np(usb_dev_handle *dev, int interface)
{
struct usb_ioctl command;
int ret;
command.ifno = interface;
...
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Forum: Embedded Applications
08-05-2016, 11:18 PM
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Replies: 4
Views: 14,677
Perhaps udl is not needed?
If I use
sudo modprobe -r udl
my application still runs and can maintain output to the Xenarc after one second ("Displaylink CD" not present and no Mint hotplug sounds).
Does this mean that udl...
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Forum: Embedded Applications
08-05-2016, 10:38 PM
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Replies: 4
Views: 14,677
udl is in the Xenarc
Another clue:
If I boot my desktop PC without the Xenarc then do
lsmod | grep udl
nothing (i.e. no udl module) is there.
sudo modprobe udl
lsmod | grep udl
still nothing is there.
Repeating...
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Forum: Embedded Applications
08-05-2016, 05:11 PM
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Replies: 4
Views: 14,677
udl module, essential? comes from where?
I have written a program to output to a Xenarc 700TSU which contains a Displaylink. My program uses libdlo which uses libusb 1.0.20. After booting Linux Mint 17.2 and starting my application Mint...
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Forum: Linux and Open Source
07-25-2016, 11:41 PM
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Replies: 1
Views: 9,500
Sound in Xenarc not Displaylink
To answer my own stupid question: I have a Xenarc 700TSU. It contains some flavor of Displaylink circuit but that circuit does not provide the audio functionality of the product. The 700TSU has a...
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Forum: Embedded Applications
01-27-2016, 04:14 AM
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Replies: 0
Views: 13,482
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Forum: Linux and Open Source
12-29-2015, 11:26 PM
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Replies: 1
Views: 9,500
Program sound?
I am looking for any information about how to output sound to a DisplayLink device such as the 700TSU with a C program. "Output" means to play a sound file or even something as simple as making it...
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Forum: Linux and Open Source
11-30-2015, 05:42 PM
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Replies: 4
Views: 11,398
Driver is packaged using makeself
Another clue. displaylink-driver-1.0.138.run is a collection of files which includes a canned script that (in my case unsuccessfully) invokes displaylink-installer.sh.
The .run file is created...
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Forum: Linux and Open Source
11-30-2015, 01:49 AM
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Replies: 4
Views: 11,398
More output from bash debug
This is additional output using bash -x to obtain more info:
+ MS_Printf ' 100%% '
+ printf ' 100%% '
100% + test xy = xy
+...
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Forum: Linux and Open Source
11-18-2015, 03:17 AM
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Replies: 4
Views: 11,398
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