Embedded Xinu Operating System
An ongoing research project and educational operating system.
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#include <usbkbd.h>
Functions | |
devcall | usbKbdGetc (device *devptr) |
devcall usbKbdGetc | ( | device * | devptr | ) |
Read a single character from a USB keyboard.
devptr | Pointer to the device table entry for a USB keyboard. |
unsigned char
cast to an int
. If keyboard has not been initialized or is in non-blocking mode and no data is available, returns ::SYSERR.