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SEMI E54.11-0301 © SEMI 2001 13 # Current St ate Trigger New State Action Comme nt 2 ENDP OINT FAILU RE Perform Diagnos tics or Reset service requ est received an d device determ ines that the failure no longer exists or…

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Table 16 Sensor-BI-TH-EP Behavior OPERATING Sub-state Description
State Description
OPERATING Endpoint is in one of the following enumerated states as indicated in the Sensor-BI-TH-EP State
attribute: ENDPOINT FAILURE (optional), ENDPOINT OFF, ENDPOINT IDLE (optional),
ENDPOINT IN PROCESS, or ENDPOINT SUSPENDED (optional). Endpoint will respond to
Endpoint On and Endpoint Off services as appropriate to move between sub-states within the
ENDPOINTING and ENDPOINT ON states.
ENDPOINTING Endpoint is in one of the following enumerated states as indicated in the Sensor-BI-TH-EP State
attribute: ENDPOINT OFF, ENDPOINT IDLE, ENDPOINT SUSPENDED, and ENDPOINT IN
PROCESS. Endpoint will respond to Endpoint On, Endpoint Off, Endpoint Start, Endpoint Suspend,
and Endpoint Resume services as appropriate to move between sub-states within the
ENDPOINTING state.
ENDPOINT OFF This is a sub-state to ENDPOINTING; Endpoint Off is the status of the Sensor-BI-TH-EP Status
attribute and ENDPOINT OFF is the enumerated state of the Sensor-BI-TH-EP State attribute.
Endpoint object is NOT performing the “endpoint” detection event process. The endpoint object may
be downloaded with new recipe parameters when in this state.
ENDPOINT ON This is a sub-state of ENDPOINTING; Endpoint On is the status of the Sensor-BI-TH-EP Status
attribute and ENDPOINT IDLE, ENDPOINT SUSPENDED or ENDPOINT IN PROCESS is the
enumerated state of the Sensor-BI-TH-EP State attribute. Endpoint object may not be performing
the “endpoint” detection event process.
ENDPOINT IDLE This is a sub-state to ENDPOINT ON. Endpoint On is the status of the SENSOR-BI-TH-EP Status
attribute and ENDPOINT IDLE is the enumerated state of the Sensor-BI-TH-EP State attribute.
Endpoint object is not performing the “endpoint” detection event process. The endpoint object may
be downloaded with new recipe parameters.
ENDPOINT IN
PROCESS
This is a sub-state to ENDPOINT ON. Endpoint On is the status of the Sensor-BI-TH-EP Status
attribute and ENDPOINT IN PROCESS is the enumerated state of the Sensor-BI-TH-EP State
attribute. Endpoint object is performing the “endpoint” detection event process. The endpoint object
may not be downloaded with new recipe parameters when in this state.
ENDPOINT
SUSPENDED
This is a sub-state to ENDPOINT ON; Endpoint On is the status of the Sensor-BI-TH-EP Status
attribute and ENDPOINT SUSPENDED is the enumerated state of the Sensor-BI-TH-EP State
attribute. Endpoint object is NOT performing the “endpoint” detection event process. The endpoint
object may not be downloaded with new recipe parameters when in this state.
ENDPOINT
FAILURE
Endpoint electronics failure; Sensor-BI-TH-EP State attribute is in the enumerated state:
ENDPOINT FAILURE. Endpoint is not performing the “endpoint” detection event process.
Endpoint cannot move to the ENDPOINTING state until the electronics are repaired or replaced. A
Perform Diagnostics or Reset service request to the Device Manager object may be sent to validate
that the failure has been cleared. The endpoint object may not be downloaded with new recipe
parameters when in this state.
Table 17 Sensor-BI-TH-EP Behavior EXECUTING Sub-state Transition Matrix*
# Current State Trigger New State Action Comment
1 Entry into
OPERATING
Power Up Conditional:
ENDPOINTING or
ENDPOINT
FAILURE
(optional)
If the endpoint
electronics are in a
failure condition than
State is ENDPOINT
FAILURE (optional)
or ENDPOINTING. If
endpoint failure
checking is not
supported the state is
ENDPOINTING /
ENDPOINT OFF.
Set Status attribute to
appropriate value.
Entry state depends
on availability of
endpoint electronics
checking.
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# Current State Trigger New State Action Comment
2 ENDPOINT
FAILURE
Perform Diagnostics or
Reset service request
received and device
determines that the
failure no longer exists
or the Endpoint device
detects replacement of
electronics that caused
the failure
ENDPOINTING /
ENDPOINT OFF
Set Status attribute to
appropriate value.
Endpoint moves to
ENDPOINT OFF
state.
3 ENDPOINTING Endpoint device detects
an endpoint electronics
failure
Conditional:
ENDPOINT
FAILURE or
ENDPOINTING /
EDNDPOINT OFF
Set State attribute to
appropriate value.
The setting of the
Status attribute is
manufacturer
specific.
4 ENDPOINT
FAILURE
Endpoint Off, Endpoint
On, Endpoint Start,
Endpoint Resume,
Endpoint Suspend,
Download Recipe,
Upload Recipe, and
Calibrate request
ENDPOINT
FAILURE
Error response Object cannot move
to ENDPOINTING /
ENDPOINT OFF
state until the
electronics are
repaired.
5 ENDPOINT
OFF
Endpoint On request Conditional:
ENDPOINT ON /
ENDPOINT IDLE
or
ENDPOINT ON /
ENDPOINT IN
PROCESS
If ENDPOINT IDLE
supported: Take the
object from the
ENDPOINT OFF
state to the
ENDPOINT IDLE
state and wait for an
Endpoint Start
request. Recipe
parameter downloads
are allowed.
If ENDPOINT IDLE
is not supported: Take
the object from the
ENDPOINT OFF
state immediately to
the ENDPOINT IN
PROCESS state and
begin the endpoint
detection event
process. Set the
Status attribute to the
appropriate values
throughout the
transition. Issue an
Endpoint On response.
ENDPOINT IDLE is
an optional
intermediate state
between ENDPOINT
OFF and
ENDPOINT IN
PROCESS.
Endpoint electronics
must not be in
failure. Service
response is not
issued until transition
to ENDPOINT IDLE
or ENDPOINT IN
PROCESS is
completed.
6 ENDPOINT ON Endpoint Off request ENDPOINT OFF Stop the “endpoint”
detection event
process. Issue an
Endpoint Off
response.
This results in the
same state transition
as when a valid
Abort service request
is issued to the
device.
7 ENDPOINT
OFF
Endpoint Off request ENDPOINT OFF Error response Endpoint is already
off.
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# Current State Trigger New State Action Comment
8 ENDPOINT
OFF
Endpoint Suspend, or
Endpoint Resume
request
ENDPOINT OFF Error response Endpoint event
process remains off.
9 ENDPOINT
OFF
Endpoint On or
Endpoint Start request.
Endpoint is unable to
turn on properly.
ENDPOINT OFF Endpoint attempts to
take the object from
the ENDPOINT OFF
state to an
ENDPOINT ON state.
Endpoint won’t turn
on properly. Turn
“endpoint” detection
event process back off
and generate an Error
response.
Behavior associated
with determining that
the endpoint will not
turn on properly is
manufacturer
specific.
10 Entry into
ENDPOINT ON
None Entry state for
ENDPOINT ON
state.
Conditional:
ENDPOINT ON /
ENDPOINT IDLE
or ENDPOINT ON
/ ENDPOINT IN
PROCESS
ENDPOINT IDLE
state entered if
supported; otherwise
ENDPOINT IN
PROCESS state
entered
Entry depends on
endpoint electronics
functioning properly.
11 ENDPOINT
OFF
Endpoint Start request ENDPOINT ON /
ENDPOINT IN
PROCESS
Go immediately to the
ENDPOINT ON /
ENDPOINT IN
PROCESS state and
begin the endpoint
detection event
process. Issue an
Endpoint Start
response
Behavior associated
with determining that
the endpoint will not
turn on properly is
manufacturer
specific.
12 ENDPOINT IN
PROCESS
Endpoint On, Endpoint
Start, Endpoint
Resume, Download
Recipe, Upload Recipe
ENDPOINT IN
PROCESS
Error response Endpoint is already
in process.
13 ENDPOINT IN
PROCESS
Endpoint detection
completed and idle state
supported
ENDPOINT IDLE Endpoint event
detected. Endpoint
event reported.
14 ENDPOINT
IDLE
Endpoint Start Request ENDPOINT IN
PROCESS
Endpoint event
detection process is
started. Issue an
Endpoint Started
success response.
15 ENDPOINT
IDLE
Download Recipe, and
Upload Recipe Request
ENDPOINT IDLE Valid recipes are
Downloaded or
Uploaded and a
services response is
generated.
16 ENDPOINT
IDLE
Endpoint Suspend and
Endpoint Resume
request
ENDPOINT IDLE Error response Endpoint is not in
process so it can not
be suspended.