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expr:functions:func-usb_open

usb_open()

Enables USB device for communication.

Syntax

usb_open(path);

Parameters

path USB device path
Return Value Returned value is 0 when USB device is successfully enabled. Returned value is 1 when USB device is not enabled. Returned value is integer number.
0 - device successfully enabled
1 - device unsuccessfully enabled

Examples

path = "\\?\hid#vid_045e&pid_028e&ig_00#8&1fa5fd5b&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}";
result = usb_open(path);

result:

0

See also

expr/functions/func-usb_open.txt · Last modified: 2023/02/15 09:51 by 127.0.0.1

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