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Initialize the pipe described by the device or endpoint descriptor
#include <sys/usbdi.h>
int usbd_open_pipe( struct usbd_device *device,
usbd_descriptors_t *desc,
struct usbd_pipe **pipe );
- device
- An opaque handle used to identify the USB device.
- desc
- A pointer to the device or endpoint descriptor that was returned
from usbd_parse_descriptors().
- pipe
- An opaque handle returned by usbd_open_pipe().
libusbdi
You use the usbd_open_pipe() function to
initialize the pipe described by the endpoint descriptor.
- EOK
- Success.
- EINVAL
- The descriptor isn't a device or endpoint.
- ENOMEM
- No memory for internal pipe structures.
QNX Neutrino, QNX 4
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
No |
Thread |
Yes |
usbd_abort_pipe(),
usbd_close_pipe(),
usbd_pipe_endpoint(),
usbd_reset_pipe()
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