dm00115135

UM1760
User manual
STLUX™ SMED configurator 1.0
Introduction
The STLUX SMED configurator is a powerful graphical tool which allows to easily configure
the SMED engine embedded in the STLUX family of devices. The tool allows the user to
focus on creating new SMED algorithms while completely reduces the implementation time
end efforts. Once the visual SMED configuration is in place, the SMED configurator can
generate a C file and store the whole configuration, ready to be imported in STLUX projects.
The SMED configurator features:
May 2014

SMED configuration schemes

Input configuration

Clock settings

FSM (“Finite State Machine”) configuration

C code generation
DocID026281 Rev 1
1/29
www.st.com
Contents
UM1760
Contents
1
Home page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
SMED configuration scheme view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
2.1
Synchronous/asynchronous coupled SMEDs . . . . . . . . . . . . . . . . . . . . . . 8
2.2
Two synchronous/asynchronous coupled SMEDs . . . . . . . . . . . . . . . . . . .11
2.3
Clock setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.4
Input setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
State machine page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1
3.2
General setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.1.1
Interrupt settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.1.2
Dithering settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.1.3
Time stamp settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Transitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4
Menu bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2/29
DocID026281 Rev 1
UM1760
1
Home page
Home page
The initial view gives a visual overview of the STLUX architecture. The user can interact
with all the elements of the home page and access more detailed views for each
component.
Figure 1. SMED configurator - STLUX architecture view
DocID026281 Rev 1
3/29
29
Home page
UM1760
The user can choose to configure:

The clocks: click on the image
representing the SMED clocks.

The inputs: click on the image
representing the SMED inputs.

The finite state machine (FSM): click
on the image representing the FSM.
Alternatively, it is possible to use the top menu to jump into the desired view of the SMED
configurator.
Figure 2. Menu bar
4/29
DocID026281 Rev 1
UM1760
2
SMED configuration scheme view
SMED configuration scheme view
This view allows the user to establish how to use each SMED defining its working mode.
All the possible SMED configuration schemes are:

Single SMED

Synchronous coupled SMEDs

Two synchronous coupled SMEDs

Two asynchronous coupled SMEDs

Asynchronous coupled SMEDs

Externally controlled SMED
The page shows the six SMEDs and for each of them there is a button to enable it and
a button to choose the control mode (internally/externally). Each SMED, if not coupled to
another, will be configured respectively in the SINGLE mode or EXTERNAL depending on
whether the control button is either “Int” (internal) or “Ext” (external).
DocID026281 Rev 1
5/29
29
SMED configuration scheme view
UM1760
Figure 3. SMED configuration view
6/29
DocID026281 Rev 1
UM1760
SMED configuration scheme view
Enabling a SMED will be shown:
Figure 4. Enabling SMED
DocID026281 Rev 1
7/29
29
SMED configuration scheme view
2.1
UM1760
Synchronous/asynchronous coupled SMEDs
To configure 2 SMEDs in coupled mode, click the “couple” text between the 2 SMEDs
required to be coupled.
Figure 5. Synchronous/asynchronous coupled SMEDs
8/29
DocID026281 Rev 1
UM1760
SMED configuration scheme view
The result is that the tool shows graphically the 2 SMEDs coupled and allows the user to
configure their features:
Figure 6. Configuration of 2 coupled SMEDs
DocID026281 Rev 1
9/29
29
SMED configuration scheme view
UM1760
To remove the coupled mode click click on the symbol that shows the coupling of the
SMEDs.
Figure 7. Removing coupled mode
10/29
DocID026281 Rev 1
UM1760
2.2
SMED configuration scheme view
Two synchronous/asynchronous coupled SMEDs
To configure 4 SMEDs (SMED0 - SMED 1 - SMED 2 - SMED 3) into the two coupled mode
it's needed to click on the area representing this mode:
Figure 8. Configuring 4 SMEDs into two coupled mode
DocID026281 Rev 1
11/29
29
SMED configuration scheme view
UM1760
As a result, the SMED configurator shows graphically the 2 SMEDs coupled and allows the
user to configure their features.
Figure 9. 2 SMEDs coupled
12/29
DocID026281 Rev 1
UM1760
2.3
SMED configuration scheme view
Clock setting
Once a SMED configuration scheme has been selected, it is possible to configure the clock
of the used SMEDs clicking on the clock label.
Figure 10. Configuring clock of SMEDs
DocID026281 Rev 1
13/29
29
SMED configuration scheme view
UM1760
A dialog will be open in order to select one of the all possible values for the clock:
Figure 11. Clock selection
14/29
DocID026281 Rev 1
UM1760
2.4
SMED configuration scheme view
Input setting
Once a SMED configuration scheme has been selected, it is possible to configure the inputs
of the used SMEDs by clicking the “input” label.
Figure 12. Input selection
DocID026281 Rev 1
15/29
29
SMED configuration scheme view
UM1760
A dialog will be open in order to configure the three inputs of the selected SMED.
Figure 13. Input selection dialog
It is possible to enable an input by clicking the ON/OFF button:
.
Also it is possible to change the input trigger level by clicking on the trigger icon:
A menu with the 4 possible values will be opened:
16/29
DocID026281 Rev 1
.
UM1760
SMED configuration scheme view
It is also possible to enable the InSig[0] input line supplementary latch functionality used to
memorize occurrence of an InSig[0] capture condition.
Figure 14. Enabling Sig[0] latched mode
This allows a deferred event transition occurrence from any of the configured states to react
to the InSig[0] input capture.
DocID026281 Rev 1
17/29
29
SMED configuration scheme view
UM1760
The latched information is selectively cleared by entering any of the S0 - S3 states if the
latch reset for the state is set in the correspondent SMED state machine page.
Figure 15. Latch mode as represented in the FSM
18/29
DocID026281 Rev 1
UM1760
3
State machine page
State machine page
The machine states page is used to set the configuration of the SMED registers that control
the finite state machine.
Figure 16. Finite state machine (FSM) view
This page is divided into 2 parts:
1.
2.
General settings
a)
Interrupt
a)
Dithering
a)
Time stamp
Transitions
DocID026281 Rev 1
19/29
29
State machine page
3.1
General setting
3.1.1
Interrupt settings
UM1760
The “interrupt settings” label is used to configure the interrupt handling.
Clicking on the label “Interrupt Settings” a dedicated window will be opened.
The interrupts are grouped in three blocks for the state timers compare events, external
input events and counter overflow event.
Figure 17. Interrupt settings
20/29
DocID026281 Rev 1
UM1760
3.1.2
State machine page
Dithering settings
The “dithering settings” label is used to determine the SMED cycle(s) in which the temporary
dithering increment is applied on the selected timer. Any number of cycles may be
enabled/disabled.
Clicking on the label “Dithering Settings” a dedicated window will be opened.
Figure 18. Dithering settings
DocID026281 Rev 1
21/29
29
State machine page
3.1.3
UM1760
Time stamp settings
The “time stamp settings” label is used to control the dumping feature of the SMEDs.
Clicking on the label “time stamp settings” a dedicated window will be opened.
Figure 19. Time stamp settings
22/29
DocID026281 Rev 1
UM1760
3.2
State machine page
Transitions
State transitions are represented as arrows connecting two states involved in a transition.
Figure 20. State transitions
DocID026281 Rev 1
23/29
29
State machine page
UM1760
To add a new transaction, click on the button
relative to the initial state of the transition.
A dedicated window will be opened to select the end state of the transition.
Figure 21. Selecting end state of the transition
To define a transition three steps are needed:
24/29
1.
Path:
Determine the path of the transition from the initial state to the end state. The tool
automatically determines the type of transition (sequential or controlled) or, in case of
ambiguity, leaves the choice to the user.
2.
Condition
Determine which is the condition that generates the transition: the state compare timer,
edgeX triggering event, edgeY triggering event and their combination.
3.
Action
Determine which is the action of the transition in term of the PWM value and reset
counter.
DocID026281 Rev 1
UM1760
State machine page
Figure 22. Transition definition
For the controlled transition the user can enable the possibility to enter the hold state and
decides which is the condition that determines the exit from the hold state to go on the end
state of the transition.
DocID026281 Rev 1
25/29
29
State machine page
UM1760
The tool uses four different symbols to identify the transition:
Sequential transition
Controlled transition
Controlled transition with the hold jump and exit from the hold when the same
condition is retriggered.
Controlled transition with the hold jump and exit from the hold when a coupled
SMED enters in hold.
26/29
DocID026281 Rev 1
UM1760
4
Menu bar
Menu bar
The menu bar contains the commands that can be used to manage the application.
The available menus are:

New
Create a new project

Load
Load existing project

Save
–
Save
Save the active project
–
Save As…
–
Save C File
Save the active project with a new name
Save the text file, that contains the “C” source code of a simple function that
initializes all the MIF and SMED registers conforming to the current configuration.

Option
Open the Option window

Help
–
Help
Open this file
–
Release Note
Open the Release Note document
–
About
Open the About window.
DocID026281 Rev 1
27/29
29
Revision history
5
UM1760
Revision history
Table 1. Document revision history
28/29
Date
Revision
14-May-2014
1
Changes
Initial release.
DocID026281 Rev 1
UM1760
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
ST PRODUCTS ARE NOT DESIGNED OR AUTHORIZED FOR USE IN: (A) SAFETY CRITICAL APPLICATIONS SUCH AS LIFE
SUPPORTING, ACTIVE IMPLANTED DEVICES OR SYSTEMS WITH PRODUCT FUNCTIONAL SAFETY REQUIREMENTS; (B)
AERONAUTIC APPLICATIONS; (C) AUTOMOTIVE APPLICATIONS OR ENVIRONMENTS, AND/OR (D) AEROSPACE APPLICATIONS
OR ENVIRONMENTS. WHERE ST PRODUCTS ARE NOT DESIGNED FOR SUCH USE, THE PURCHASER SHALL USE PRODUCTS AT
PURCHASER’S SOLE RISK, EVEN IF ST HAS BEEN INFORMED IN WRITING OF SUCH USAGE, UNLESS A PRODUCT IS
EXPRESSLY DESIGNATED BY ST AS BEING INTENDED FOR “AUTOMOTIVE, AUTOMOTIVE SAFETY OR MEDICAL” INDUSTRY
DOMAINS ACCORDING TO ST PRODUCT DESIGN SPECIFICATIONS. PRODUCTS FORMALLY ESCC, QML OR JAN QUALIFIED ARE
DEEMED SUITABLE FOR USE IN AEROSPACE BY THE CORRESPONDING GOVERNMENTAL AGENCY.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.
© 2014 STMicroelectronics - All rights reserved
STMicroelectronics group of companies
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com
DocID026281 Rev 1
29/29
29
Similar pages