Get the physical address of memory allocated by usbd_alloc()
#include <sys/usbdi.h> paddr_t usbd_mphys( const void *ptr );
libusbdi
The usbd_mphys() function obtains the physical address used by usbd_alloc() to allocate memory for a data transfer.
Physical address.
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | No |
| Thread | Yes |