SYNTAX
ARGUMENTS
- base
-
The base address of the I/O region
- size
-
The size of the I/O region
- name
-
The name to be shown in /proc/ioports
DESCRIPTION
rtapi_request_region reserves I/O memory starting at base and going for size bytes.
REALTIME CONSIDERATIONS
May be called from realtime init/cleanup code only.
RETURN VALUE
rtapi_request_region returns NULL if the allocation fails, and a non-NULL value otherwise.
rtapi_release_region has no return value.