CN104077152A - Batch upgrading method and batch upgrading device for embedded system - Google Patents
Batch upgrading method and batch upgrading device for embedded system Download PDFInfo
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- CN104077152A CN104077152A CN201310102138.8A CN201310102138A CN104077152A CN 104077152 A CN104077152 A CN 104077152A CN 201310102138 A CN201310102138 A CN 201310102138A CN 104077152 A CN104077152 A CN 104077152A
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Abstract
The invention provides a batch upgrading method for an embedded system. The method comprises the following steps that: when an upgrading file is detected, broadcasting that a device is an upgrading server is sent to other embedded devices in a local area network; when the broadcasting is received, first TCP (Transmission Control Protocol) connection between the other embedded devices and the upgrading server is built; the upgrading state of the other embedded devices is obtained; the embedded devices to be upgraded are sequentially sequenced, and IP (Internet Protocol) addresses of the next embedded device of each embedded device to be upgraded are obtained; the IP address of each next embedded device is sent to the corresponding embedded device; second TCP connection is built according to the IP address of the next embedded device; the upgrading file is sent to one embedded device; and the upgrading file is sent to each embedding device according to the second TCP connection. The invention also provides a batch upgrading device for the embedded system. The batch upgrading of the system can be fast and reliably carried out.
Description
Technical field
The present invention relates to the system upgrade field of equipment, particularly relate to a kind of method and device of embedded system batch upgrade.
Background technology
At current Embedded Industry, more and more products are brought into use linux operating system, and use such operating system, often need upgrade software, and at present main flow has three kinds of upgrading modes:
1, need a upgrading to control PC, PC initiatively sets up TCP with a plurality of embedded devices and is connected transmission upgrade data or directly sends multicast upgrading data, completes software upgrading.But when setting up a plurality of TCP connections, updating speed is slack-off, unreliable if multicast is upgraded, because multicast is not guarantee data correctness, and need switch to support multicast functionality.
2, in whole system, have a upgrade server, then configuration server address in embedded device, operates embedded device and is initiatively connected with server in the time of upgrading, and transmission data, complete upgrading.The bad batch upgrade of this mode.
3, by u, coil one by one embedded device is upgraded.The bad batch upgrade of this mode.
To sum up, current method for upgrading system, updating speed is slower, or upgrading reliability is low, or can not batch upgrade.
Summary of the invention
The object of the invention is to propose a kind of method and device of embedded system batch upgrade, can quickly and reliably carry out the batch upgrade of system.
The scheme adopting is:
A method for embedded system batch upgrade, comprises step:
When upgrade file being detected, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server;
When receiving described broadcast, set up other embedded devices and be connected with a TCP of described upgrade server;
Obtain the upgrade status of other embedded devices; Wherein, described upgrade status comprise to be upgraded, upgrade and upgrading completes;
To upgrade status, be that embedded device to be upgraded carries out order sequence, obtain the IP address of the next embedded device of each embedded device to be upgraded;
A TCP described in the IP address of next embedded device described in each is connected and is sent to corresponding embedded device;
According to the IP address of described next embedded device, setting up the 2nd TCP connects; Wherein, described the 2nd TCP is connected to the connection between embedded device between two;
Described upgrade file is sent to one of them embedded device;
According to described the 2nd TCP, connect described upgrade file is sent to each embedded device.
And a kind of device of embedded system batch upgrade, comprising:
Radio unit, for when upgrade file being detected, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server;
Unit is set up in the first connection, for when receiving described broadcast, sets up other embedded devices and is connected with a TCP of described upgrade server;
Second acquisition unit, for obtaining the upgrade status of other embedded devices; Wherein, described upgrade status comprise to be upgraded, upgrade and upgrading completes;
The 3rd acquiring unit, for being that embedded device to be upgraded carries out order sequence to upgrade status, obtains the IP address of the next embedded device of each embedded device to be upgraded;
Address transmitting element, for connecting a TCP described in the IP address of next embedded device described in each to be sent to corresponding embedded device;
Unit is set up in the second connection, for set up the 2nd TCP according to the IP address of described next embedded device, connects; Wherein, described the 2nd TCP is connected to the connection between embedded device between two;
The first transmitting element, for being sent to one of them embedded device by described upgrade file;
The second transmitting element, for connecting described upgrade file be sent to each embedded device according to described the 2nd TCP.
In the present invention, when being positioned at an embedded device of same LAN (Local Area Network), the medium that carries upgrade file detected, obtain this upgrade file and carry out system upgrade; Meanwhile, to other embedded devices in LAN (Local Area Network), send the broadcast that this equipment is upgrade server; Receive after this broadcast, other each embedded devices are set up a TCP with upgrade server and are reliably connected; By the reliable upgrade status of obtaining other each embedded devices that connects of this TCP; Embedded device to be upgraded is carried out to order sequence, according to this order, the IP address of the next equipment of each embedded device is sent to corresponding embedded device; According to the IP address of receiving, setting up a TCP between embedded device between two reliably connects; Upgrade server by upgrade file Packet Generation to one of them embedded device, by the reliable connection of the TCP between embedded device between two, upgrading data packet being sent to each embedded device upgrades, like this, the reliable connection of foundation can guarantee the reliability of upgrading; Between each node and node, as long as transmit a piece of data, speed is very fast; And adopt in this way the performance that at all do not affect system, facilitate equipment to carry out in batches the carrying out of system upgrade on can be largely.
Accompanying drawing explanation
Fig. 1 is a process flow diagram of the inventive method;
Fig. 2 is the schematic diagram of the present invention while specifically implementing;
Fig. 3 is a structural representation of apparatus of the present invention;
Fig. 4 is another structural representation of apparatus of the present invention.
Embodiment
The present invention proposes a kind of method of embedded system batch upgrade, and its flow process can, with reference to figure 1, comprise step:
S1, when upgrade file being detected, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server;
Wherein, obtaining of upgrade file can be by reading the upgrade file of USB flash disk storage, also can being sent to the embedded device in same LAN (Local Area Network) by network.
In an embodiment, work as storage medium therein, as USB flash disk, while being inserted into one of them embedded device, read the file in USB flash disk, determine whether upgrade file; If not, do not operate; If so, this upgrade file is copied to the internal memory of this embedded device, and be updated to local nand flash.Then self is carried out to system upgrade, now this equipment becomes the upgrade server of whole system, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server, for the embedded device that makes not to be to start simultaneously, can receive broadcast, upgrade server can send once broadcast at set intervals; As: can be to send once every 3 seconds, send altogether number 3 times.
S2, when receiving when broadcast, set up other embedded devices and be connected with a TCP of upgrade server;
When other embedded devices receive the above-mentioned broadcast of upgrade server transmission, to upgrade server feedback IP address separately, set up a TCP with upgrade server separately and be connected.
S3, obtain the upgrade status of other embedded devices;
Wherein, upgrade status comprise to be upgraded, upgrade and upgrading completes;
Concrete, can be that upgrade server passes through the TCP that step S2 sets up and connects, obtain the upgrade status of other embedded devices;
Also can be that the TCP that other embedded devices are set up by step S2 connects, and upgrade status is separately fed back to upgrade server.
S4, to upgrade status, be that embedded device to be upgraded carries out order sequence, obtain the IP address of the next embedded device of each embedded device to be upgraded;
Concrete, to upgrade status, be that the step that embedded device to be upgraded carries out sequentially sorting can be, but not limited to following mode:
Mode 1, obtain the IP address that upgrade status is embedded device to be upgraded, according to order from small to large, sorted in each IP address; Or order from big to small sorts to each IP address; To obtain the IP address of the next embedded device of each embedded device;
Mode 2, obtain the MAC Address that upgrade status is embedded device to be upgraded, according to order from small to large, each MAC Address is sorted; Order from big to small sorts to each MAC Address; To obtain the next embedded device MAC Address of each embedded device, and then obtain corresponding IP address;
Mode 3, according in step S2, other embedded devices feed back the time sequencing of IP address separately to upgrade server, determine the IP address of the next embedded device of each embedded device.
In order further illustrating upgrade status, to be the step that embedded device to be upgraded carries out order sequence, to please refer to the schematic diagram shown in Fig. 2; Wherein, embedded device 1 is upgrade server; The IP address of embedded device 1, embedded device 2, embedded device 3, embedded device 4 and embedded device 5 is respectively: 10.4.1.1,10.4.1.2,10.4.1.3,10.4.1.4,10.4.1.5;
Upgrade server sends to embedded device 2, embedded device 3, embedded device 4 and embedded device 5 broadcast that embedded device 1 is upgrade server;
Embedded device 2, embedded device 3, embedded device 4 and embedded device 5 are received after this broadcast, to upgrade server feedback IP address separately.
Take and describe as example according to mode 1:
Obtain behind the IP address of embedded device 2, embedded device 3, embedded device 4 and embedded device 5, to last byte of IP address by sorting and obtain from small to large: 0.4.1.2,10.4.1.3,10.4.1.4,10.4.1.5; The IP address of the next embedded device of embedded device 2 is the IP address of embedded device 3: 10.4.1.3; The IP address of the next embedded device of embedded device 3 is the IP address of embedded device 4: 10.4.1.4; The IP address of the next embedded device of embedded device 4 is the IP address of embedded device 5: 10.4.1.5.
S5, the IP address of each next embedded device is sent to corresponding embedded device;
Concrete, still take Fig. 2 as example, upgrade server connects the IP address that sends his next node to each embedded device by a TCP to each updating client, such as the IP address that now sends next embedded device to embedded device 2 is 10.4.1.3, the IP address that embedded device 3 sends next embedded device is 10.4.1.4, by that analogy, an IP address to the last.Because embedded device 5 is last, so it does not have next embedded device.
S6, according to the IP address of next embedded device, set up the connection between embedded device between two;
According to the IP address of next embedded device, setting up the 2nd TCP connects; Wherein, the 2nd TCP is connected to the connection between embedded device between two; Here embedded device is for other embedded devices of mentioning in step S2 between two.
Concrete, take Fig. 2 as example, after embedded device 2, embedded device 3, embedded device 4 and 5 of embedded devices are set up the 2nd TCP and be connected, embedded device 2, embedded device 3, embedded device 4 and 5 one-tenth single-chain types of embedded device are connected.
S7, upgrade file is sent to one of them embedded device;
Upgrade server by upgrade file Packet Generation to one of them embedded device.Still take Fig. 2 as example, can be by upgrade file Packet Generation any to embedded device 2, embedded device 3, embedded device 4 and embedded device 5.
S8, according to the 2nd TCP, connect upgrade file is sent to each embedded device.
For this process of clearer explanation, take equally Fig. 2 as example; Set upgrade server by upgrade file Packet Generation to embedded device 2; Detailed process is as follows:
Upgrade file packet 1 is sent to embedded device 2, embedded device 2 storage upgrade file packets 1; Upgrade file packet 1 is connected and is sent to embedded device 3 by the 2nd TCP setting up; Embedded device 3 sends it to embedded device 4 after receiving upgrade file packet 1; Each embedded device often receives a packet, just copies internal memory to, this packet is connected to the next embedded device that is transmitted to him by the 2nd TCP simultaneously; Like this, all embedded devices all transmit data at the same time.Such as: embedded device 3 is sending upgrade file packet 1 to embedded device 4; Synchronization, embedded device 2, sending packet 2 to embedded device 3, so neither takies very large bandwidth, can transmit data again simultaneously, accelerates updating speed.
In general, when current embedded device receives all upgrade files, just can carry out system upgrade.It is different that each embedded device receives time of upgrade file, so may there be a difference start time that each embedded device carries out system upgrade; But also can arrange all embedded devices, receive after upgrade file, then upgrade.
When receiving upgrade file packet, the upgrade status of self is revised as and is upgraded, when now other media that are equiped with upgrade file insert, can not obtain the upgrade file in other media, to guarantee the reliability of system.
In the present invention, when being positioned at an embedded device of same LAN (Local Area Network), the medium that carries upgrade file detected, obtain this upgrade file and carry out system upgrade; Meanwhile, to other embedded devices in LAN (Local Area Network), send the broadcast that this equipment is upgrade server; Receive after this broadcast, other each embedded devices are set up a TCP with upgrade server and are reliably connected; By the reliable upgrade status of obtaining other each embedded devices that connects of this TCP; Embedded device to be upgraded is carried out to order sequence, according to this order, the IP address of the next equipment of each embedded device is sent to corresponding embedded device; According to the IP address of receiving, setting up a TCP between embedded device between two reliably connects; Upgrade server by upgrade file Packet Generation to one of them embedded device, by the reliable connection of the TCP between embedded device between two, upgrading data packet being sent to each embedded device upgrades, like this, the reliable connection of foundation can guarantee the reliability of upgrading; Between each node and node, as long as transmit a piece of data, speed is very fast; And adopt in this way the performance that at all do not affect system, facilitate equipment to carry out in batches the carrying out of system upgrade on can be largely.
In another embodiment, in order to improve the reliability of embedded device upgrading, if during the failure of the system upgrade of current embedded device, self upgrade status is revised as to be upgraded, to upgrade server, returns to the information to be upgraded such as current embedded device; Return to above-mentioned steps S2, repeated execution of steps S2 to S8, until that all embedded devices are all upgraded is complete.
In another embodiment, if when the system upgrade of current embedded device completes, self upgrade status is revised as and has been upgraded, to upgrade server, return to the information that current embedded device system upgrade completes.Can further improve the reliability of embedded device upgrading.If upgrade successfully, disconnect this embedded device and be connected with the TCP between upgrade server.
The present invention also proposes a kind of device of embedded system batch upgrade, and its structural representation, with reference to figure 3, comprising:
Radio unit, for when upgrade file being detected, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server;
Unit is set up in the first connection, for when receiving broadcast, sets up other embedded devices and is connected with a TCP of upgrade server;
Second acquisition unit, for obtaining the upgrade status of other embedded devices; Wherein, upgrade status comprise to be upgraded, upgrade and upgrading completes;
The 3rd acquiring unit, for being that embedded device to be upgraded carries out order sequence to upgrade status, obtains the IP address of the next embedded device of each embedded device to be upgraded;
Address transmitting element, for connecting the IP address of each next embedded device to be sent to corresponding embedded device by a TCP;
Unit is set up in the second connection, for setting up the connection between embedded device between two according to the IP address of next embedded device, is designated as the 2nd TCP and connects;
The first transmitting element, for being sent to upgrade file one of them embedded device;
The second transmitting element, for connecting upgrade file be sent to each embedded device according to the 2nd TCP.
In the present invention, when being positioned at an embedded device of same LAN (Local Area Network), the medium that carries upgrade file detected, obtain this upgrade file and carry out system upgrade; Meanwhile, to other embedded devices in LAN (Local Area Network), send the broadcast that this equipment is upgrade server; Receive after this broadcast, other each embedded devices are set up a TCP with upgrade server and are reliably connected; By the reliable upgrade status of obtaining other each embedded devices that connects of this TCP; Embedded device to be upgraded is carried out to order sequence, according to this order, the IP address of the next equipment of each embedded device is sent to corresponding embedded device; According to the IP address of receiving, setting up a TCP between embedded device between two reliably connects; Upgrade server by upgrade file Packet Generation to one of them embedded device, by the reliable connection of the TCP between embedded device between two, upgrading data packet being sent to each embedded device upgrades, like this, the reliable connection of foundation can guarantee the reliability of upgrading; Between each node and node, as long as transmit a piece of data, speed is very fast; And adopt in this way the performance that at all do not affect system, facilitate equipment to carry out in batches the carrying out of system upgrade on can be largely.
For the ease of grasping the upgrade case of embedded device, further improve upgrading reliability, done following improvement, please refer to Fig. 4, the device of embedded system batch upgrade also comprises status modifier unit;
If the system upgrade of current embedded device when failure, status modifier unit is revised as self upgrade status to be upgraded, returns to the information to be upgraded such as current embedded device to upgrade server;
Notice second acquisition unit continues corresponding operation.
In one embodiment, the 3rd acquiring unit is that embedded device to be upgraded carries out order while sorting to upgrade status,
Obtain upgrade status and be the IP address of embedded device to be upgraded, according to order from small to large, sorted in each IP address;
Or, obtain upgrade status and be the MAC Address of embedded device to be upgraded, according to order from small to large, each MAC Address is sorted.
In order further to improve upgrading reliability, if when the system upgrade of current embedded device completes, status modifier unit is revised as self upgrade status to have upgraded, and to upgrade server, returns to the information that current embedded device system upgrade completes.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a method for embedded system batch upgrade, is characterized in that, comprises step:
When upgrade file being detected, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server;
When receiving described broadcast, set up other embedded devices and be connected with a TCP of described upgrade server;
Obtain the upgrade status of other embedded devices; Wherein, described upgrade status comprise to be upgraded, upgrade and upgrading completes;
To upgrade status, be that embedded device to be upgraded carries out order sequence, obtain the IP address of the next embedded device of each embedded device to be upgraded;
The IP address of next embedded device described in each is connected and is sent to corresponding embedded device by a described TCP;
According to the IP address of described next embedded device, setting up the 2nd TCP connects; Wherein, described the 2nd TCP is connected to the connection between embedded device between two;
Described upgrade file is sent to one of them embedded device;
According to described the 2nd TCP, connect described upgrade file is sent to each embedded device.
2. the method for embedded system batch upgrade according to claim 1, is characterized in that,
If the system upgrade of current embedded device when failure is revised as self upgrade status to be upgraded, to described upgrade server, return to the information to be upgraded such as described current embedded device; Described in returning, obtain the step of the upgrade status of other embedded devices.
3. the method for embedded system batch upgrade according to claim 1, is characterized in that, described to upgrade status, be that embedded device to be upgraded carries out in the step of order sequence,
Obtain upgrade status and be the IP address of embedded device to be upgraded, according to order from small to large, sorted in each IP address;
Or, obtain upgrade status and be the MAC Address of embedded device to be upgraded, according to order from small to large, each MAC Address is sorted.
4. according to the method for the embedded system batch upgrade described in claims 1 to 3 any one, it is characterized in that,
When if the system upgrade of current embedded device completes, self upgrade status is revised as and has been upgraded, to described upgrade server, return to the information that described current embedded device system upgrade completes.
5. a device for embedded system batch upgrade, is characterized in that, comprising:
Radio unit, for when upgrade file being detected, other embedded devices in LAN (Local Area Network) send the broadcast that this equipment is upgrade server;
Unit is set up in the first connection, for when receiving described broadcast, sets up other embedded devices and is connected with a TCP of described upgrade server;
Second acquisition unit, for obtaining the upgrade status of other embedded devices; Wherein, described upgrade status comprise to be upgraded, upgrade and upgrading completes;
The 3rd acquiring unit, for being that embedded device to be upgraded carries out order sequence to upgrade status, obtains the IP address of the next embedded device of each embedded device to be upgraded;
Address transmitting element, for connecting a TCP described in the IP address of next embedded device described in each to be sent to corresponding embedded device;
Unit is set up in the second connection, for set up the 2nd TCP according to the IP address of described next embedded device, connects; Wherein, described the 2nd TCP is connected to the connection between embedded device between two;
The first transmitting element, for being sent to one of them embedded device by described upgrade file;
The second transmitting element, for connecting described upgrade file be sent to each embedded device according to described the 2nd TCP.
6. the device of embedded system batch upgrade according to claim 5, is characterized in that, the device of described embedded system batch upgrade also comprises status modifier unit;
If the system upgrade of current embedded device when failure, described status modifier unit is revised as self upgrade status to be upgraded, to described upgrade server, returns to the information to be upgraded such as described current embedded device;
Notify described second acquisition unit to continue corresponding operation.
7. the device of embedded system batch upgrade according to claim 5, is characterized in that, at described the 3rd acquiring unit, to upgrade status, is that embedded device to be upgraded carries out order while sorting,
Obtain upgrade status and be the IP address of embedded device to be upgraded, according to order from small to large, sorted in each IP address;
Or, obtain upgrade status and be the MAC Address of embedded device to be upgraded, according to order from small to large, each MAC Address is sorted.
8. according to the device of the embedded system batch upgrade described in claim 5 to 7 any one, it is characterized in that,
When if the system upgrade of current embedded device completes, described status modifier unit is revised as self upgrade status to have upgraded, and to described upgrade server, returns to the information that described current embedded device system upgrade completes.
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| CN111064592A (en) * | 2018-10-17 | 2020-04-24 | 福建天泉教育科技有限公司 | Local area network software updating method and USB device |
| CN112015098A (en) * | 2020-08-14 | 2020-12-01 | 深圳市欧瑞博科技股份有限公司 | System upgrading method and device for intelligent household equipment and electronic equipment |
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| CN104077152B (en) | 2017-07-18 |
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