bulk_close

Parameters

close_success

: retun 0 if device has been closed and -1 if the device can not be closed.

Description

Close an USB Device Open

Once the USB Device have been opened, the bulk_close() closed the device and release the memory used for the internal handle. If an USB Device have been opened its necesary close it when the comunication is over.

If the device its not closed once have been opened Scilab, eventualy, will crash down because a segmentation fault

Examples

VendorID="04D8"; ProductID="900A"; VendorID=uint16(hex2dec(VendorID)); ProductID=uint16(hex2dec(ProductID)); init_success=hid_init(); if ( init_success < 0 ) then disp("unable to initialize the Libusb-1.0 Library"); return else disp("Libusb-1.0 Library initialized"); end open_success=hid_open(VendorID,ProductID); if ( open_success < 0 ) then disp("unable to open device"); return else disp("device open"); close_success=hid_close(); end exit_success=hid_exit(); if ( init_success < 0 ) then disp("unable to free static data associated with Libusb-1.0 Library"); return else disp("Libusb-1.0 Library have been freed all of the static data associated"); end

See Also

• closeusb — Scilab macro's for hid_close
• bulk_init — Initializes the Libusb-1.0 Library
• bulk_open — Open a USB Device
• bulk_write — Write or transfer a buffer to an USB Device
• bulk_write_timeout — Write or transfer a buffer to an USB Device
• bulk_read — Read or receive a buffer from an USB Device
• bulk_read_timeout — Read or receive a buffer from an USB Device with timeout
• bulk_exit — This function frees all of the static data associated with Libusb-1.0.

Authors

• Jose Pablo Castro Valverde josepablo.castro@gmail.com