KR20160011090A - Apparatus and Method for Updating Application Program of Internet of Things - Google Patents

Apparatus and Method for Updating Application Program of Internet of Things Download PDF

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Publication number
KR20160011090A
KR20160011090A KR1020140092129A KR20140092129A KR20160011090A KR 20160011090 A KR20160011090 A KR 20160011090A KR 1020140092129 A KR1020140092129 A KR 1020140092129A KR 20140092129 A KR20140092129 A KR 20140092129A KR 20160011090 A KR20160011090 A KR 20160011090A
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KR
South Korea
Prior art keywords
update
iot
iot device
application program
profile information
Prior art date
Application number
KR1020140092129A
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Korean (ko)
Inventor
홍상기
고정길
김내수
이계선
이병복
Original Assignee
한국전자통신연구원
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Priority to KR1020140092129A priority Critical patent/KR20160011090A/en
Publication of KR20160011090A publication Critical patent/KR20160011090A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
    • 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
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • H04L67/303—Terminal profiles
    • 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 
    • 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
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stored Programmes (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The present invention relates to a method for updating an application program of Internet of things (IoT) in an updating apparatus. The method for updating an application program of IoT comprises the following steps: converting a mode into an update mode according to a request for converting a mode after receiving profile information from an IoT device; and updating an application program transferred from a host device to the IoT device by using a protocol corresponding to the profile information.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an Internet application updating apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an Internet of Things (IoT) service technology, and more particularly, to an apparatus and method for updating an application program of an IoT device.

The term Internet of Things (IoT) first appeared in 1998 at the Massachusetts Institute of Technology (MIT) Auto-ID Lab. In 2005, ITU-T published its annual report entitled The Internet of Things, which predicted that the Internet would be the most basic framework for all the structures of the IT revolution.

The Internet is defined as a new information communication infrastructure that connects all the things in the world with a network so that people can communicate with people, things, things and things anytime and anywhere. It is an infrastructure for realizing ubiquitous space . This ubiquitous space starts with computing devices embedded with specific functions being embedded in the environment and objects, and the environment or objects themselves being intelligent.

These Internet services provide us with more convenient and safe lives, so various mobile carriers and handset manufacturers are concentrating on the development of terminals and services for Internet applications that will emerge as next generation mobile services. In addition, personalization services and related applications linked to smart devices are increasing.

In order to verify life-friendly sensor application services based on smart devices, it is necessary to construct a test environment in a sensor network environment including an IoT device such as a sensor node, and to examine the actual operation and commercialization possibility of previously developed application services. In addition, it is essential to implement related systems and protocols for updating IoT devices supporting services in order to develop, verify, and update various services.

In particular, if you want to use the IoT device for application services different from the originally purchased purpose, smart device applications can be purchased and installed through the app market.

However, the application program of the IoT device performs update according to the interface and protocol of the AVR bootloader, the ISP or the MSP BSL according to whether the processor of the IoT device is the Atmel AVR or the TI MSP in the existing update system. That is, in order to update the various types of IoT processors, the user has to buy hardware supporting different updates according to the processor, or manually request update from the IoT device vendor (developer), which is troublesome.

The present invention provides an apparatus and method for updating an application program on an IoT device without having to have separate hardware according to the type of processor and communication method of the IoT device.

The present invention relates to a method for updating an Internet of Things (hereinafter, referred to as 'IoT') application program in a host apparatus, which performs host system environment setting for updating corresponding to profile information obtained from an IoT device, Switching to an update mode through communication with the IoT device when an application program update to the IoT device is required; and transmitting an application program to be updated to the IoT device with a protocol corresponding to the profile information to the update device .

The present invention relates to a method for updating an application program in an Internet of Things (hereinafter referred to as 'IoT') device, comprising the steps of: providing profile information to an update device in response to an update start request from a host device, And installing the program in response to receiving the application program from the update device in a protocol corresponding to the profile information.

The present invention relates to a method for updating an Internet of Things (hereinafter, referred to as 'IoT') application program in an updating device, and in response to receiving profile information from an IoT device, switching from an IoT device to an update mode And updating the application program transmitted from the host device to the IoT device with a protocol corresponding to the profile information.

The present invention can be applied to various services that link smart devices with IoT devices. In particular, regardless of various communication interfaces and processor types, it is easy to perform program installation and dynamic update of IoT devices installed and sold for personalized services. In addition, even when the IoT device is applied to other services, it is possible to easily update the Internet application program included in the smart device application.

FIG. 1 is a diagram illustrating an object Internet application update system according to an exemplary embodiment of the present invention. Referring to FIG.
2 is a detailed configuration diagram of an updating apparatus according to an embodiment of the present invention.
3A and 3B are signal flow diagrams illustrating a method for updating an object Internet application program according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The terms used throughout the specification are defined in consideration of the functions in the embodiments of the present invention and can be sufficiently modified according to the intentions and customs of the user or the operator. It should be based on the contents of.

FIG. 1 is a diagram illustrating an object Internet application update system according to an exemplary embodiment of the present invention. Referring to FIG.

1, the object Internet application update system includes a host apparatus 10, an IOT apparatus 20, and an update apparatus 30. [

The host device 10 may be a smart device, a smart device such as a smart TV, a tablet, a smart camera, or the like, but may also include a desktop computer. The IoT device 20 may be a device that transmits sensing information to the host device 10 by mounting various sensors.

The host device 10 and the IOT device 20 are connected to each other through a wireless protocol provided by the host device 10 including Bluetooth, WIFI, WIFI Direct, etc., and wirelessly provided by a smart device such as 802.15.4 Protocol can be interworked through a protocol conversion dongle (dongle type sensor node).

The update device 30 includes communication adapters (UART, BT, 802.15.4, WIFI, etc.) for various communication methods and supports application updates according to the processor type of the IOT device 20. [ Communication and control between the IOT device 20 and the update device 30 can be implemented by a combination of interfaces such as UART, SPI, GPIO, and I2C.

2 is a configuration diagram of an updating apparatus according to an embodiment of the present invention.

2, the updating apparatus 30 includes a communication interface unit 210, a message switching unit 220, a message bypassing unit 230, and an update unit 240.

The communication interface unit 210 supports two or more wireless communication protocols. That is, communication adapters supporting at least one or more wireless communication protocols, including wireless protocols including Universal Asynchronous Receiver / Transmitter (UART), BT, 802.15.4, and WIFI.

The message switching unit 220 switches the message transmitted from the host apparatus 10 to the bypassing unit 230 or the update unit 240 and delivers the message through the interface such as UARt, SPI, and I2C. That is, it receives the command message, transfers it to the message bypassing unit 230, and transmits the update message to the update unit 240.

That is, a message transmitted from the host device 10 through wired / wireless communication has two messages: command and update. Command message is transmitted by bypassing a message for transmitting sensor data and command transmission between the host device 10 and the IoT device 20, that is, directly transmitting / receiving messages between the host device 10 and the processor of the IoT device 20. [

The message bypassing unit 230 forwards a command message received through the message switching unit 220 between the host apparatus 10 and the Internet of Things (hereinafter, referred to as 'IoT') apparatus 20.

On the other hand, the Update message is a message related to the update protocol for actually transmitting the application program of the IoT device 20, and is not a message bypassing, but a hardware interface for communication and updating between the host device 10 and the update device 30 Lt; RTI ID = 0.0 > IoT < / RTI >

The update unit 240 receives the profile information from the Internet of Things (hereinafter, referred to as 'IoT') device 20 through the message switching unit 220 and then switches to the update mode And updates the application program transmitted from the host device 10 to the IoT device 20 with a protocol corresponding to the profile information. Here, the profile information includes a CPU type, a CPU ID, a boot type, a node ID, and a board type, which are protocol information of the IoT device 20.

The update unit 240 includes a BSL Protocol module 241, an AVR Bootloader Protocol module 242, an AVR ISP Protocol module 243, and an Other Protocol module 244). However, the protocol for downloading can be extended according to the type of the processor, and the existing user-defined update protocol can be utilized.

The update unit 240 switches the IoT device 20 to the reset mode for processor update upon receiving a reset message requesting entry of the IoT device 20 from the host device 10 And returns the reset response message to the host apparatus 10. Upon reception of the application program from the host apparatus 10 by the protocol corresponding to the profile information, the application program is transmitted to the IoT device 20, and the IoT And forwards the update response message received from the device 20 to the host device 10. [

3A and 3B are signal flow diagrams illustrating a method for updating an object Internet application program according to an embodiment of the present invention.

The operation mode for updating the object Internet application program according to an embodiment of the present invention is largely composed of a control command mode (update preparation mode) and an update mode.

First, with reference to FIG. 3A, a control command mode operation in an initial state will be described. Here, the update apparatus 30 can maintain low power by maintaining a state of off and sleep according to a hardware power control structure.

At the beginning of the control command mode for the update preparation, the host device 10 requests the IoT device 20 for the profile information of the IoT device 20 (S305).

Here, the profile of the IoT device is a data structure including main information of the IoT device, and the main information of the IoT device for updating should include the fields included in Table 1 below. The size of each data field may vary depending on the implementation.

CPU
Type CPU
ID Boot
Type Node
ID Board
Type

Table 1 shows the types of processors of IoT devices such as ATMEL AVR and TI MSP. The CPU ID indicates the processor's detailed ID (e.g., AVR Atmega 128, Atmega 2560, TI MSP430F1611, MSP430F5438, etc.). Boot Type indicates the protocol for updating the processor program such as AVR bootloader, AVR ISP, and MSP BSL. The Node ID indicates the ID of the IoT device, and the Board Type indicates the board type according to the board shape of the IoT device. Here, some fields may be deleted or added depending on the user implementation.

The IoT device 20 responds to the host device 10 with the profile information of the IoT device 20 including the main field values of Table 1 (S310).

The host device 10 sets the host device environment for updating to conform to the IoT device 20 to be updated on the basis of the obtained profile information of the IoT device 20 (S315) When a program update is required, an update start message is transmitted to the IoT device 20 (S320). Here, the update start message is a message for allowing the IoT device 20 to perform the update preparation operation.

Then, the IoT device 20 wakes up the updating device 30 (S320). Here, the update device 30 is powered on and operates only when there is an update request for low power operation, and can normally be operated in an off or sleep state. However, according to another embodiment, when the update device 30 is always powered, the operation of power on / off may be omitted.

When the update device 30 starts normal operation and sends a wakeup response to the IoT device 20 at S330, the IoT device 20 transmits the profile information transmitted to the host device 10 to the update device 30 (S335).

Then, the update device 30 transmits the object profile reception response to the IoT device 20 (S340), and the IoT device 20 transmits a response to the update start message to the host device 10 (S345).

The IoT device 20 then requests the mode switching of the update device 30 in step S350 and updates the host device 10, the IoT device 20 and the update device 30) will switch the environment to the Update mode. Then, in the update mode, the host device 10 board communicates with the update device 30.

Referring to FIG. 3B, in the update mode, the host device 10 requests the update device 30 to reset the processor of the IOT device 20 (S405). That is, the update device 30 requests the processor of the IOT device 20 to enter a state for program update. Here, the state entry for the update can generate a general reset signal in case of the AVR processor of the updating device 30 and a BSL sequence in case of the MSP processor.

The update device 30 switches the mode to the processor reset mode of the IOT device 20 at step S410 and returns a reset response message to the host device 10 at step S415.

The host device 10 transmits the application program of the IOT device 20 to the update device 30 in accordance with a predetermined protocol according to the boot type per processor at step S420, (Step S425).

When the application program transmission according to the message transmission / reception procedure is completed, the update response from the IoT device 20 is forwarded to the host device 10 through the message forwarding (S430, S435) (S445, S450).

Thereafter, the IoT device 20 restarts to the new program (S455) and sends a mode switching message to the updating device 30 to reset the environment to the control command mode and the initialization completion signal again. When all these procedures are completed, the IOT device 20 performs control so that the update device 30 operates again in the low power mode, and all the procedures for updating are completed.

Claims (16)

In a method for updating an Internet of Things (hereinafter referred to as " IoT ") application program in a host apparatus,
Switching to an update mode corresponding to the profile information obtained from the IoT device,
And transmitting an application program to be updated to the IoT device with a protocol corresponding to the profile information as an update device.
2. The method of claim 1,
Obtaining profile information from the IoT device;
Performing host device configuration for updating corresponding to the profile information;
Transmitting an update start message to the IoT device when application program update to the IoT device is required;
Switching to an update mode upon receiving an update start response message from the IoT device and initiating communication with the update device. 2. The method of claim 1, wherein the transmitting
Transmitting, to the update device, a reset message requesting entry into a state for program update of the IoT device;
And transmitting the application program to the update device in a predetermined protocol upon receiving the reset response message from the update device.
2. The method of claim 1,
Wherein the IoT device includes at least one of a CPU type, a CPU ID, a boot type, a node ID, and a board type, which are protocol information of the IoT device.
A method for updating an application program in an Internet of Things (hereinafter referred to as "IoT") device,
Providing profile information to an update device in response to an update start request from the host device and switching to an update mode;
And installing a corresponding application program upon receiving an application program from the update device in a protocol corresponding to the profile information.
6. The method of claim 5,
Transmitting profile information to the update device in response to a request from the host device;
Transmitting the profile information to the update device upon receiving an update start message from the host device;
And a step of transmitting an update start response message to the host device upon receiving the profile information reception response message from the update device and transmitting a mode change request message to the update device and switching to an update mode How to update internet applications.
The method according to claim 6,
Wherein the step of transmitting the profile information to the update device further comprises a step of requesting power-on before transmitting the profile information when the update device is powered off. 6. The method of claim 5,
Further comprising the step of restarting the new Internet application program with the newly installed program upon a request for restarting the application program installed from the update device.
In an update method of an Internet of Things (hereinafter referred to as " IoT ") application in an update device,
Switching to an update mode according to a mode switching request after receiving profile information from the IoT device,
And updating the application program transmitted from the host device to the IoT device in a protocol corresponding to the profile information.
10. The method of claim 9, wherein updating
Returning a reset response message to the host device after switching the IoT device to a processor reset mode upon receipt of a reset message from the host device requesting entry into a state for program update of the IoT device;
Receiving an application program from the host device in a protocol corresponding to the profile information, and transmitting the application program to the IoT device;
And forwarding an update response message received from the IoT device to the host device.
10. The method of claim 9,
And turning on / off the power according to a request from the IoT device.
A communication interface unit for supporting two or more wireless communication protocols,
A message switching unit for receiving a command message transmitted from the host device and delivering the command message to the message bypassing unit and delivering the update message to the update unit,
A message bypassing unit for forwarding a command message received through the message switching unit to an Internet of Things (hereinafter, referred to as 'IoT') apparatus,
And an update unit for receiving the profile information from the IoT device and switching to the update mode according to the mode change request and updating the application program transmitted from the host device to the IoT device in accordance with the protocol corresponding to the profile information. Things to consider as an Internet application update device.
13. The communication system according to claim 12, wherein the communication interface unit
And a communication adapter supporting at least two or more wireless communication protocols among UART (universal asynchronous receiver / transmitter), BT, 802.15.4, and WIFI.
13. The apparatus of claim 12, wherein the updating unit
Upon receiving from the host device a reset message requesting entry of the IoT device into the state for program update, returning the IoT device to the processor reset mode and returning a reset response message to the host device, Wherein the application program is transmitted to the IoT device upon receiving the application program with a protocol corresponding to the profile information and forwarded to the host device an update response message received from the IoT device, Update device.
13. The method of claim 12,
Wherein the IoT device includes at least one of a CPU type, a CPU ID, a boot type, a node ID, and a board type as protocol information of the IoT device.
13. The apparatus of claim 12, wherein the updating unit
And turning on / off the power according to a request from the IoT device.
KR1020140092129A 2014-07-21 2014-07-21 Apparatus and Method for Updating Application Program of Internet of Things KR20160011090A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017143238A1 (en) * 2016-02-19 2017-08-24 Atif Hussein Network architecture for internet-of-things device
WO2017143227A1 (en) * 2016-02-19 2017-08-24 Intel Corporation Internet-of-things device blank
WO2020004742A1 (en) * 2018-06-25 2020-01-02 한국전력공사 Internet of things system and management method therefor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017143238A1 (en) * 2016-02-19 2017-08-24 Atif Hussein Network architecture for internet-of-things device
WO2017143227A1 (en) * 2016-02-19 2017-08-24 Intel Corporation Internet-of-things device blank
CN109479067A (en) * 2016-02-19 2019-03-15 英特尔公司 The network architecture for internet of things equipment
US10310832B2 (en) 2016-02-19 2019-06-04 Intel Corporation Internet-of-things device blank
US10809995B2 (en) 2016-02-19 2020-10-20 Intel Corporation Internet-of-things device blank
US11146449B2 (en) 2016-02-19 2021-10-12 Intel Corporation Network architecture for internet-of-things device
CN109479067B (en) * 2016-02-19 2022-01-07 英特尔公司 Network architecture for internet of things equipment
US11269608B2 (en) 2016-02-19 2022-03-08 Intel Corporation Internet-of-things device blank
US11687331B2 (en) 2016-02-19 2023-06-27 Intel Corporation Internet-of-things device blank
WO2020004742A1 (en) * 2018-06-25 2020-01-02 한국전력공사 Internet of things system and management method therefor

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