CN103631622A - Software online upgrade repairing method - Google Patents

The invention provides a software online upgrade repairing method. The software online upgrade repairing method mainly includes the following steps that based on communication building of an upper computer and a lower computer, the upper computer queries breakpoint response information of the lower computer and judges whether breakpoint information exists in the breakpoint response information or not, if yes, file data which are not completely transmitted in the last upgrade process are transmitted frame by frame from breakpoint positions, file data which are represented as a file transmission end command are sent after transmission is finished, at the end of the lower computer, before the file data which are represented as the file transmission end command are received, received file data every time are written in corresponding positions of a storage medium of an embedded system of the lower computer, when writing-in is finished, the positions are updated and recorded as break-off positions and used as the breakpoint information, and after the file data which are represented as the file transmission end command are received, online upgrade repairing operation is conducted according to all the received file data. The function of breakpoint supervention in the software online upgrade repairing process of the embedded system is achieved, and upgrade repairing efficiency can be effectively improved.

On-line software updating restorative procedure

Technical field

The present invention relates to a kind of on-line software updating restorative procedure, particularly relate to a kind of in order to solve embedded system in software upgrade process because extremely interrupt in the situation that, how by the mode of breakpoint transmission, carry out the on-line software updating restorative procedure of the online upgrading function of repairing built-in system software.

Background technology

In order to make the informations such as software in embedded system, data in last state, need in real time embedded system to be carried out to upgrade maintenance, but when carrying out online upgrading in rugged surroundings, because being easily interfered in escalation process, circuit anomalous event such as open close in abnormal, can cause and upgrade unsuccessfully, cause embedded system cisco unity malfunction, thereby cause adverse consequences.

And the current in the industry cycle interior embedded system software online upgrading method of using is based on continual upgrading under consistent link environment, in online upgrading process, occur when upgrading is interrupted needing accent to start again to upgrade, adopt this type of upgrade mode, in communication, disturb under the rugged surroundings strong, channel is unstable etc., on-line software updating will be difficult to successfully.

Therefore, based on above deficiency, be necessary to provide a kind of on-line software updating restorative procedure that shortens in right amount escalation process by situation, even to guarantee also to complete fast and effectively on-line software updating task under rugged surroundings.

Summary of the invention

The shortcoming of prior art in view of the above, the object of the present invention is to provide and a kind ofly can shorten in right amount by situation the on-line software updating restorative procedure of escalation process.

For achieving the above object and other relevant objects, the invention provides a kind of on-line software updating restorative procedure, between its host computer and slave computer that is applied to intercom mutually, for realizing, the built-in system software of slave computer be there is in upper once escalation process to the reparation upgrade function of unusual condition, and when slave computer, in escalation process, unusual condition occurs, record breakpoint information, it is characterized in that, described on-line software updating restorative procedure at least comprises: (1) sets up communicating by letter between described host computer and described slave computer; (2), in described upper computer end, to described slave computer, send breakpoint information query statement; (3) in described slave computer end, respond the instruction that described host computer sends, and upload the breakpoint response message that records in the last escalation process of this slave computer to described host computer; (4), in described upper computer end, the breakpoint response message of uploading according to described slave computer, judges whether this breakpoint response message has breakpoint information, if so, proceeds to step (5), if not, proceeds to step (6); (5) in described upper computer end, from being transferred to the upgrade file reference position of slave computer, start transfer files data one by one, and after file data is transmitted, send a file data that is characterized by transfer files END instruction, then, carry out step (7); (6) in described upper computer end, from breakpoint location, start to transmit one by one the file data not transferring last escalation process, and after file data is transmitted, send a file data that is characterized by transfer files END instruction; (7) in described slave computer end, judge whether received file data is characterized by end of file transfer instruction, if so, according to received All Files data, carry out online upgrading reparation operation, if not, proceed to step (8); (8) in described slave computer end, the file data receiving is write to the relevant position of storage medium of the embedded system of this slave computer, after having write, this position is upgraded and is recorded as interruption position, using as breakpoint information, and upload response message that a slave computer correctly receives frame data to described host computer; And (9) in described upper computer end, the response message that correctly receives frame data of uploading according to described slave computer, continues transmission next frame file data, then, is back to step (7).

Preferably, above-mentioned steps (1) further comprises: by RS232, RS485 or network, set up communicating by letter between described host computer and described slave computer.Wherein, described network can be for example wireless network or cable network.Described breakpoint information comprises transmission data length and the transmission data address recording when interrupting in last escalation process.

In an embodiment of on-line software updating restorative procedure of the present invention, described on-line software updating restorative procedure is supported broadcast communication pattern.

As mentioned above, on-line software updating restorative procedure of the present invention is mainly the principle of having utilized breakpoint transmission, at host computer and slave computer, set up on the basis of communicating by letter, make host computer by inquiring about the breakpoint response message of slave computer, the breakpoint response message of uploading according to slave computer in upper computer end afterwards, judge whether this breakpoint response message has breakpoint information, if not, from being transferred to the upgrade file reference position of slave computer, start transfer files data one by one, if, from breakpoint location, start to transmit one by one the file data not transferring last escalation process, no matter be which kind of situation, all after file data is transmitted, transmission one is characterized by the file data of transfer files END instruction, and at slave computer end, before receiving the file data that is characterized by transfer files END instruction, the file data receiving is write to the relevant position of storage medium of the embedded system of this slave computer at every turn, after having write, this position is upgraded and is recorded as interruption position, using as breakpoint information, until after receiving the file data that is characterized by transfer files END instruction, according to received All Files data, carry out online upgrading reparation operation.So, can avoid when occurring that upgrading is interrupted, needing accent to start again to upgrade in prior art, not only lose time, and, for meeting with such as communication, disturb the rugged surroundings such as strong, channel is unstable and while often occurring to interrupt, carry out in this way the problems such as on-line software updating will be difficult to successfully.

Accompanying drawing explanation

Fig. 1 is shown as the operating process schematic diagram of on-line software updating restorative procedure of the present invention.

Element numbers explanation

S10～S80 step

Embodiment

Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.The present invention can also be implemented or be applied by other different embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.

Referring to Fig. 1, is the operational flowchart that shows on-line software updating restorative procedure of the present invention.On-line software updating restorative procedure of the present invention is between the host computer and slave computer that is applied to intercom mutually, for realizing the reparation upgrade function that the built-in system software of slave computer, in upper once escalation process, unusual condition is occurred to and interrupt, and when slave computer, in escalation process, unusual condition occurs, record breakpoint information, wherein, this breakpoint information comprises transmission data length and the transmission data address recording when interrupting in last escalation process.Below the operating process of on-line software updating restorative procedure of the present invention is elaborated.

As shown in Figure 1, first perform step S10, set up communicating by letter between this host computer and this slave computer, in more detail, to set up communicating by letter between this host computer and this slave computer by RS232, RS485 or network (this network can such as being wireless network or cable network) etc., but not as limit, the technology that such as can realize the contact of communicating by letter of instruction between host computer and slave computer, data etc. all can.Then, carry out step S20.

In step S20, in this upper computer end, to this slave computer, send breakpoint information query statement.Then, carry out step S30.

In step S30, in this slave computer end, respond the instruction that this host computer sends, and upload the breakpoint response message that records in the last escalation process of this slave computer to this host computer.Then, carry out step S40.

In step S40, in this upper computer end, the breakpoint response message of uploading according to this slave computer, judges whether this breakpoint response message has breakpoint information, if so, proceeds to step S51, if not, proceeds to step S52.

In step S51, in this upper computer end, from being transferred to the upgrade file reference position of slave computer, start transfer files data one by one, and after file data is transmitted, send a file data that is characterized by transfer files END instruction.Then, carry out step S60.

In step S52, in this upper computer end, from breakpoint location, start to transmit one by one the file data not transferring last escalation process, and after file data is transmitted, send a file data that is characterized by transfer files END instruction.Then, carry out step S60.

In step S60, in this slave computer end, judge whether received file data is characterized by end of file transfer instruction, if so, proceed to step S71, if not, proceed to step S72.

In step S71, in this slave computer end, according to received All Files data, carry out online upgrading reparation operation, now, can finish this on-line software updating repair process.

In step S72, in this slave computer end, the file data receiving is write to the relevant position of storage medium of the embedded system of this slave computer, after having write, this position is upgraded and is recorded as interruption position, using as breakpoint information, and upload response message that a slave computer correctly receives frame data to this host computer.Then, carry out step S80.

In step S80, in this upper computer end, the response message that correctly receives frame data of uploading according to this slave computer, continues transmission next frame file data, then, is back to step S60.

Need to be explained, in one embodiment of the invention, on-line software updating restorative procedure of the present invention can be supported broadcast communication pattern simultaneously herein.

In sum, on-line software updating restorative procedure of the present invention is mainly solved embedded system and occur extremely to interrupt because environment is severe in software upgrade process in the situation that, how by the mode of breakpoint transmission, carry out the online upgrading problem of repairing built-in system software, mainly by record breakpoint information when upgrading is interrupted, to continue upgrading since breakpoint last time place according to the breakpoint information of record when again upgrading, realized the function of supporting breakpoint transmission in built-in system software online upgrading process, this method simplicity of design, reparation updating speed is fast, realize cost low, there is good economic benefit.

Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.