WO2017016559A1 - Mikrocontroller-einheit zum verwalten von daten von mindestens einem sensor - Google Patents
Mikrocontroller-einheit zum verwalten von daten von mindestens einem sensor Download PDFInfo
- Publication number
- WO2017016559A1 WO2017016559A1 PCT/DE2016/200330 DE2016200330W WO2017016559A1 WO 2017016559 A1 WO2017016559 A1 WO 2017016559A1 DE 2016200330 W DE2016200330 W DE 2016200330W WO 2017016559 A1 WO2017016559 A1 WO 2017016559A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- microcontroller
- microcontroller unit
- sensor
- interface
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the program performs an interfacing function, e.g. device driver
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Definitions
- Microcontroller unit for managing data from at least one sensor
- the invention relates to a microcontroller unit for managing data from at least one sensor, comprising at least one sensor interface and a supply voltage connection, wherein the at least one sensor interface and the supply voltage connection are connected to a microcontroller.
- Microcontroller units that have a microcontroller and process and integrate data from various sensors are called a sensor hub. If such a sensor hub is to be configured, then separate software is required, which must be installed and executed on a measuring computer. At the same time CAN-dbc files are generated with this separate software. These dbc files must be kept on the respective measuring computer. Firmware updates can only be made at the factory without major effort and can not be changed by the customer.
- the invention has for its object to provide a microcontroller unit for managing data from at least one sensor, which can be configured easily and inexpensively.
- the microcontroller has a limited memory area serving as a removable data medium, which is connected to an interface for reading in and / or reading data, wherein at least one configuration file and / or dbc is stored on the memory area.
- File and / or a microcontroller software and / or a manual is stored.
- This memory area appears on the external PC to be connected to the microcontroller unit as a removable data medium, so that any data and software programs can be adapted by means of the PC in this predetermined memory area, whereby these can be assigned to the respectively to be connected sensor.
- the operating instructions stored as a pdf file are always accessible and locally connected to the microcontroller unit. After connecting the microcontroller unit to the external processing unit, the operating instructions can be accessed at any time without having to look up the Internet or on an installation CD.
- the interface for reading and / or reading data is designed as a USB interface. Since all external devices are equipped with USB interfaces today, a simple connection of the microcontroller unit with the external data carriers or arithmetic units is possible, by means of which then can be easily accessed on the serving as a removable storage area and the desired changes can be made ,
- a CAN transceiver unit is arranged between the microcontroller and a CAN interface. This configuration also makes it easy to connect the microcontroller unit to a CAN bus of a vehicle, where it can participate in data transmission within a vehicle.
- the configuration file stored on the storage area used as a removable storage medium serves for adaptation to a type of the sensor.
- This configuration file is advantageously stored as a text file. After connecting the microcontroller unit via the USB interface to an external computing unit, this can be easily opened by the user and, for example, data transmission conditions, such as a sampling rate or a CAN identification number, can be adapted there. A separate, to be provided on the external processing unit software is eliminated.
- the dbc file is modifiable using a text editor. This allows a particularly easy accessibility of the dbc file, wherein the changed dbc file is always forwarded with the microcontroller unit.
- the memory area serving as a removable data medium is stored in compiled form in the form of microcontroller software. Since the software is in a form that can be read by an external computer at any time, a user can independently write a new software file on the given memory area.
- a development of the invention relates to a method for changing the configuration of a microcontroller unit, which manages data from at least one sensor.
- the data supplied by sensors can be processed and managed as simply as possible
- the data is stored in a file which is stored on a demarcated memory area of a microcontroller of the microcontroller unit designed as a removable data carrier USB port is accessed to the memory area and the file is opened, after completion of the changes the data is saved and the file is closed and to activate the changes an operating voltage of the microcontroller unit is turned off and restarted.
- a simple reboot of the microcontroller unit advantageously enables the software to be activated on the microcontroller unit. A complicated flash process with separate tools is eliminated.
- a predetermined time is advantageously waited until the operating voltage is applied again to the microcontroller unit. This gives the microcontroller unit the information that it is not an accidental shutdown, but an update of the changed software is desired.
- Fig. 1 shows an embodiment of the microcontroller unit according to the invention.
- FIG. 1 an embodiment of the microcontroller unit 1 according to the invention is shown.
- This microcontroller unit 1 comprises a microcontroller 2, which has a module 3 for wireless data transmission.
- a delimited storage area 4 is provided on which selected files can be stored and changed by customers.
- the microcontroller 2 has a plurality of input interfaces to which at least one sensor (not shown) can be connected.
- the first interface is an SPI interface
- the second interface is designed as an I 2 C interface
- the third interface is a USB interface.
- an analog input / output interface is available.
- the microcontroller 2 for provide the sensor with a voltage of 3.3 volts at a first input interface and a voltage of 5 volts at a second output interface.
- the microcontroller unit 1 has a first converter 5 which is connected to a first input interface Vin 8-42 V, at which an operating voltage between 8 and 42 V can be provided, which are changed in the converter 5 in 5 volt steps can.
- a second input interface Vin 4 - 12 V an operating voltage of 4 to 12 volts can be applied, which can be changed by a second, arranged within the microcontroller unit 1 Converter 6 in steps of 5 volts and applied to the microcontroller 2.
- the demarcated memory area 4 of the microcontroller 2 is connected to a USB interface USB (serial) of the microcontroller unit 1, to which a USB port of an external computing unit can be connected. In this way, a user can access the files stored in the predetermined memory area 4 and change them as desired.
- These files lying on the delimited memory area 4 include, for example, a configuration file in the form of a text file, a dbc file, an operating manual in pdf form and the software of the microcontroller unit 1 in compiled form.
- the user of the microcontroller unit 1 appears the predetermined delimited memory area 4 as a removable disk, with which he can consciously make changes in the configuration of the microcontroller unit 1.
- the microcontroller unit 1 is connected via a CAN transceiver unit 7 to a CAN interface CAN, which can be connected to the vehicle CAN, in particular when used in a motor vehicle, where it enables a corresponding data exchange. Furthermore, the microcontroller unit 1 has status LEDs 8, 9, 10, which are arranged on the outside of the microcontroller unit 1.
- the microcontroller 2 of the microcontroller unit 1 must be adapted to this sensor.
- a configuration of an acceleration sensor for measuring vehicle longitudinal accelerations is to be considered.
- an external processing unit to the USB port USB (serial) of the microcontroller unit. 1 connected and in the demarcated memory area 4 of the microcontroller 3, the configuration file is called.
- the acceleration sensor has three sensor axes whose values are between -1 and 1.
- a sensor axis offset for each sensor axis is defined in g, with the offset being set to 0 for both the X, Y, and Z axes. It is assumed that the deviation of the offset may amount to a maximum of +/- 0.3 g.
- the sampling rate of the sensor signals which can be between 1, 10, 100 and 1000 hertz, is set in the present case to 1000 hertz.
- the CAN bus transmission frequency is set to 1 million bits per second.
- this configuration file is saved and closed. Subsequently, the operating voltage is switched off. Thereafter, the operating voltage is applied to the microcontroller unit 1 again, wherein when applying the operating voltage, a self-test of the data is performed.
- the serial baud rate which can be between 9,600, 19,200, 57,600, 1 15,200, 230,400, 460,800, and 921,600, is set to 921,600.
- the cut-off frequency of a digital low-pass filter for the acceleration signal can be selected between the following values:
- the cutoff frequency for the digital low-pass filter for gyro signals can be between
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Recording Measured Values (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112016003435.0T DE112016003435A5 (de) | 2015-07-30 | 2016-07-21 | Mikrocontroller-Einheit zum Verwalten von Daten von mindestens einem Sensor |
| US15/744,123 US20180203710A1 (en) | 2015-07-30 | 2016-07-21 | Microcontroller unit for managing data from at least one sensor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015214449.6 | 2015-07-30 | ||
| DE102015214449.6A DE102015214449A1 (de) | 2015-07-30 | 2015-07-30 | Mikrocontroller-Einheit zum Verwalten von Daten von mindestens einem Sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017016559A1 true WO2017016559A1 (de) | 2017-02-02 |
Family
ID=56853430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2016/200330 Ceased WO2017016559A1 (de) | 2015-07-30 | 2016-07-21 | Mikrocontroller-einheit zum verwalten von daten von mindestens einem sensor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20180203710A1 (de) |
| DE (2) | DE102015214449A1 (de) |
| WO (1) | WO2017016559A1 (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0399006A1 (de) * | 1988-10-04 | 1990-11-28 | Solatrol Inc | Zentralverwaltungssystem der bewässerungseinheiten. |
| WO2009065592A1 (de) * | 2007-11-21 | 2009-05-28 | Pepperl + Fuchs Gmbh | Transportabler datenträger und verfahren zum übertragen von konfigurationsdaten von einem externen rechner auf einen sensor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040059844A1 (en) * | 2002-09-20 | 2004-03-25 | Woodhead Industries, Inc. | Network active I/O module with removable memory unit |
| JPWO2005003980A1 (ja) * | 2003-07-01 | 2007-09-20 | 株式会社ティアンドデイ | 多目的半導体集積回路装置 |
| DE102005049483B4 (de) * | 2005-10-13 | 2007-10-18 | Ifm Electronic Gmbh | Elektrischen Stecker und Verfahren zur dezentralen Speicherung der Parameter eines Sensors |
| DE102007031721B4 (de) * | 2007-07-06 | 2015-07-16 | Siteco Control Gmbh | Externer Konfigurationsspeicher für Netzwerkgeräte |
| DE202011004742U1 (de) * | 2011-04-01 | 2011-05-26 | Pepperl + Fuchs GmbH, 68307 | Sensor für die Automatisierungstechnik |
| US9734694B2 (en) * | 2013-10-04 | 2017-08-15 | Sol Mingso Li | Systems and methods for programming, controlling and monitoring wireless networks |
-
2015
- 2015-07-30 DE DE102015214449.6A patent/DE102015214449A1/de not_active Withdrawn
-
2016
- 2016-07-21 US US15/744,123 patent/US20180203710A1/en not_active Abandoned
- 2016-07-21 WO PCT/DE2016/200330 patent/WO2017016559A1/de not_active Ceased
- 2016-07-21 DE DE112016003435.0T patent/DE112016003435A5/de not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0399006A1 (de) * | 1988-10-04 | 1990-11-28 | Solatrol Inc | Zentralverwaltungssystem der bewässerungseinheiten. |
| WO2009065592A1 (de) * | 2007-11-21 | 2009-05-28 | Pepperl + Fuchs Gmbh | Transportabler datenträger und verfahren zum übertragen von konfigurationsdaten von einem externen rechner auf einen sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112016003435A5 (de) | 2018-05-03 |
| DE102015214449A1 (de) | 2017-02-02 |
| US20180203710A1 (en) | 2018-07-19 |
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