hal_init

NAME

hal_init — initialize a component

SYNTAX

int hal_init ( const char *compname )

ARGUMENTS

modname
The name of this hal component

DESCRIPTION

hal_init creates a HAL component.

compname a string that identifies the component.
The string may be no longer than RTAPI_NAME_LEN characters.
If compname is NULL, the system will assign a name.

REALTIME CONSIDERATIONS

Call only from within user or init/cleanup code, not from realtime tasks.

RETURN VALUE

On success, returns a positive integer module ID, which is used for subsequent calls to hal and rtapi APIs.
On failure, returns a HAL error code.