CN103984581A - Firmware upgrading method and device of chip - Google Patents
Firmware upgrading method and device of chip Download PDFInfo
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- CN103984581A CN103984581A CN201410242870.XA CN201410242870A CN103984581A CN 103984581 A CN103984581 A CN 103984581A CN 201410242870 A CN201410242870 A CN 201410242870A CN 103984581 A CN103984581 A CN 103984581A
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Abstract
The invention provides a firmware upgrading method and device of a chip. The firmware upgrading method includes the steps that a current firmware version number of the chip is acquired; a version number numerical value interval which the current firmware version number belongs to is determined; the model of the chip is judged according to the corresponding relation between a pre-configured version number numerical value interval and the model of the chip; a latest firmware version number corresponding to the model of the chip is inquired from a pre-configured firmware upgrading file storage path; when the firmware version corresponding to the latest firmware version number is higher than the firmware version corresponding to the current firmware version number, firmware upgrading operation to the chip is executed according to a firmware upgrading file corresponding to the latest firmware version number. According to the technical scheme, corresponding version number numerical value intervals are set for the chips of different models, the model of the current chip in equipment can be accurately recognized, and accordingly the firmware upgrading operation to the chip is achieved smoothly.
Description
Technical field
The present invention relates to field of computer technology, relate in particular to firmware upgrade method and the device for upgrading firmware of chip.
Background technology
Firmware (firmware) is often to serve as software the most basic, bottom work, is generally stored in the electricallyerasable ROM (EEROM) EEPROM (Electrically Erasable Programmable ROM) or FLASH chip in chip.Even if for completing the chip of same function, in the time that production firm is different, the firmware upgrade method of respective chip and file are also completely different.
But, in the production run of equipment, due to chip supply problem, the equipment of same model tends to adopt the chip from the Multiple Type of multiple chip supply manufacturer simultaneously, but the compatible upgrade method of simultaneously supporting multiple model chips is not provided in correlation technique.
Summary of the invention
In view of this, the invention provides a kind of new technical scheme, can solve the technical matters of the compatibility upgrading that cannot support polytypic chip in correlation technique.
For achieving the above object, the invention provides technical scheme as follows:
According to a first aspect of the invention, propose a kind of firmware upgrade method of chip, having comprised:
Obtain the current version of firmware number of chip;
Determine the version number's numerical value interval under described current version of firmware number;
According to the corresponding relation between pre-configured version number's numerical value interval and chip model, judge the model of described chip;
From pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
When firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carry out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
According to a second aspect of the invention, propose a kind of device for upgrading firmware of chip, having comprised:
Acquiring unit, for obtaining the current version of firmware number of chip;
Determining unit, for determining the version number's numerical value interval under described current version of firmware number;
Identifying unit, for the corresponding relation between and chip model interval according to pre-configured version number's numerical value, judges the model of described chip;
Query unit, for from pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
Operating unit, for when firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carries out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
According to a third aspect of the invention we, propose a kind of device for upgrading firmware of chip, having comprised:
Processor;
For the storer of storage of processor executable instruction;
Wherein, described processor is configured to:
Obtain the current version of firmware number of chip;
Determine the version number's numerical value interval under described current version of firmware number;
According to the corresponding relation between pre-configured version number's numerical value interval and chip model, judge the model of described chip;
From pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
When firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carry out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
From above technical scheme, the present invention arranges corresponding version number's numerical value interval by the chip for different model, can accurately identify the model of current chip in equipment, and realizes the firmware upgrade operation to chip smoothly.
Brief description of the drawings
Fig. 1 shows the schematic flow sheet of the firmware upgrade method of chip according to an embodiment of the invention;
Fig. 2 shows the firmware upgrade schematic flow sheet of compatible polytypic MCU according to an embodiment of the invention;
Fig. 3 shows the firmware upgrade schematic flow sheet of compatible polytypic MCU according to another embodiment of the invention;
Fig. 4 shows the schematic flow sheet of the device for upgrading firmware of chip according to an embodiment of the invention.
Embodiment
The present invention arranges corresponding version number's numerical value interval by the chip for different model, can accurately identify the model of current chip in equipment, and realizes the firmware upgrade operation to chip smoothly.
For the present invention is further described, provide the following example:
Fig. 1 shows the schematic flow sheet of the firmware upgrade method of chip according to an embodiment of the invention.
As shown in Figure 1, the firmware upgrade method of chip according to an embodiment of the invention, comprising:
Step 102, obtains the current version of firmware number of chip;
In the present embodiment, chip configuration is in equipment, can be by chip after the each start of equipment, initiatively feed back current version of firmware number to the control plane (such as the CPU of this equipment) of equipment, or also can be by control plane to chip request, and the current version of firmware number that returns of receiving chip.
Step 104, determines the version number's numerical value interval under described current version of firmware number;
Step 106, according to the corresponding relation between pre-configured version number's numerical value interval and chip model, judges the model of described chip;
In the present embodiment, the chip of every kind of model is corresponding to different version number's numerical value intervals, by determining current version of firmware number corresponding version number's numerical value interval, just can instead release corresponding chip model, carry out firmware upgrade operation to adopt corresponding to firmware upgrade file and the upgrading mode of this chip model.
Step 108, from pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
Step 110, when firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carries out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
From above-described embodiment, by being version number's numerical value interval of every kind of pre-configured correspondence of chip model, can, according to the current version of firmware of chip number residing version number's numerical value interval, determine the model of this chip.Owing to can accurately identifying the model of current chip, can under pre-configured firmware upgrade file store path, store firmware upgrade file corresponding to all chip models, and model based on current chip accurately chooses corresponding firmware upgrade file, realize the firmware upgrade operation of the chip of compatible Multiple Type.
For convenience of description, be example with the firmware upgrade scene of MCU (Micro Control Unit, micro-control unit) chip below, illustrate technical scheme of the present invention.Wherein, Fig. 2 shows the firmware upgrade schematic flow sheet of compatible polytypic MCU according to an embodiment of the invention; Fig. 3 shows the firmware upgrade schematic flow sheet of compatible polytypic MCU according to another embodiment of the invention.
Taking intelligent television as example, suppose and in intelligent television, dispose the MCU chip for controlling the function such as main board power supply, the control of LED lamp bar, based on MCU, CPU and eMMC (Embedded Multi Media Card, embedded multi-media card) between reciprocal process, realized the firmware upgrade based on compatible polytypic MCU of the present invention.
Embodiment mono-
As shown in Figure 2, comprise according to the firmware upgrade process of the compatible polytypic MCU of an exemplary embodiment:
Step 202, after intelligent television start, CPU initiates version number's inquiry request to MCU.
Step 204, in response to version number's inquiry request, CPU receives the current version of firmware number of MCU feedback.
Step 206, CPU judges the model of MCU according to current version of firmware number.
Particularly, in advance for the MCU of different model has configured different version number's numerical value intervals.For example, such as the production firm of intelligent television has purchased the MCU chip of three kinds of models altogether, be respectively MCU1, MCU2 and MCU3, version number's numerical value interval that wherein MCU1 is corresponding is [1,100] version number's numerical value interval that, MCU2 is corresponding is [101,200] version number's numerical value interval that, MCU3 is corresponding is [201,300].Wherein, corresponding relation between above-mentioned MCU model and version number's numerical value interval, can be pre-configured and be stored in the inoperative internal memory of equipment (intelligent television described above) (can store data long term, relative with " running memory " that be merely able to temporal data) in, under the preset path such as eMMC; Or, when equipment support is during by extension storage spaces such as SD card (Secure Digital Memory Card), TF cards (Trans-flash Card), also corresponding relation can be stored in extension storage space.
Thereby according to the current version of firmware number of MCU feedback, such as this current firmware version number is 150, can determine that it belongs to version number's numerical value interval [101,200], thereby judge that MCU belongs to MCU2 model.
Step 208, latest firmware the upgrade file corresponding MCU of all versions all can be stored in to preset path, under leave in eMMC/system/bin, and MCU1 corresponding to firmware upgrade file (can be the form of Software Mirroring) MCU1.bin, MCU2 corresponding to firmware upgrade file MCU2.bin, MCU3 corresponding to firmware upgrade file MCU3.bin.Particularly, latest firmware upgrade file can be triggered or manual triggers when upgrading in the cycle by equipment, downloads and be stored in above-mentioned preset path from corresponding server; Or, after also can being obtained voluntarily by other means by user, be manually stored in above-mentioned preset path; The obtain manner of the application to this file is also not construed as limiting.
Therefore, CPU can be according to the model under current MCU, i.e. MCU2 inquires about corresponding latest firmware upgrade file to eMMC, to determine the latest firmware version number corresponding to MCU2.
Step 210, according to the latest firmware version number inquiring, judges whether to carry out firmware upgrade operation to current MCU chip.
Particularly, be 182 such as inquiring corresponding to the latest firmware version number of MCU2, illustrate that firmware version in current MCU is not that latest edition (supposes that above current version of firmware number is on 150 basis, due to 150 < 182, illustrate version number be 182 the firmware upgrade file firmware upgrade file that is 150 than version number more I become, judge that the firmware in current MCU is not latest edition), need to carry out firmware upgrade operation; Or, be 150 such as inquiring corresponding to the latest firmware version number of MCU2, illustrate that the firmware version in current MCU has been latest edition, without carrying out firmware upgrade operation.
Step 212, if desired carries out firmware upgrade operation, obtains corresponding firmware upgrade file from eMMC, such as the firmware upgrade file that is 182 corresponding to MCU2, version number.
Step 214, the latest firmware upgrade file based on obtaining, carries out firmware upgrade operation to MCU, such as Flash (flash memory) chip of brushing in MCU.
Based on above-described embodiment, the present invention distributes corresponding version number's numerical value interval by the MCU for different model, thereby realize the accurate identification to MCU, therefore only firmware upgrade the file corresponding MCU of all models all need to be stored in to the preset path in intelligent television, equipment can be realized the firmware upgrade operation of the MCU of compatible each model automatically.
Embodiment bis-
As shown in Figure 3, comprise according to the firmware upgrade process of the compatible polytypic MCU of another exemplary embodiment:
Step 302, in the time that intelligent television is started shooting first, CPU obtains the pre-burning firmware version number in MCU.
Step 304, CPU, according to pre-burning firmware version number, judges the chip model of MCU.Particularly, judgment mode is similar to the step 206 shown in Fig. 2, repeats no more herein.
Step 306, as an example, supposes and judges that the chip model of MCU is MCU2, this model is stored in to eMMC.
Step 308, is similar to the step 202 shown in Fig. 2, and after certain start of intelligent television, CPU initiates version number's inquiry request to MCU.
Step 310, version number's inquiry request of initiating for CPU if MCU does not respond (particularly, such as not response in the given time), is obtained the chip model of storage, i.e. above-mentioned MCU2 from eMMC.
Step 312, this chip model MCU2 based on obtaining, the preset path from eMMC is obtained corresponding firmware upgrade file.
Step 314, the firmware upgrade file based on obtaining, carries out the firmware upgrade operation to MCU chip.
In the above-described embodiments, judgement based on to chip model and storage, even if in the use procedure of equipment, firmware in chip is damaged and cannot responds version number's inquiry request that CPU initiates, still can be according to pre-stored chip model, directly obtain corresponding firmware upgrade file and carry out firmware upgrade operation, contribute to the reliability of the firmware upgrade operation that promotes polytypic chip.
Corresponding to the firmware upgrade method of above-mentioned chip, the invention allows for the device for upgrading firmware of chip.Please refer to Fig. 4, Fig. 4 shows the schematic flow sheet of the device for upgrading firmware of chip according to an embodiment of the invention.
For convenience of description, the application has carried out the hardware structure of the terminal device of the device for upgrading firmware of formation chip to simplify abstract, and each safety equipment include processor, internal memory, nonvolatile memory and network interface at hardware view.From service layer, computer program is read the logical unit (also referred to as " virtual bench ") that in internal memory, then execution forms by the processor that the device for upgrading firmware of the chip in Fig. 4 can be regarded as in respective hosts.Certainly the present invention does not get rid of software realization other implementations in addition, such as such implementation of programmable logic device (PLD) etc., that is to say that the executive agent of each treatment step of subsequent descriptions can adopt the mode such as hardware or logical device to realize.In the present embodiment, the device for upgrading firmware of described chip can comprise acquiring unit 402, determining unit 404, identifying unit 406, query unit 408 and operating unit 410.
Acquiring unit 402, is configured to obtain the current version of firmware number of chip;
Determining unit 404, is configured to determine the version number's numerical value interval under described current version of firmware number;
Identifying unit 406, is configured to the corresponding relation between and chip model interval according to pre-configured version number's numerical value, judges the model of described chip;
Query unit 408, is configured to from pre-configured firmware upgrade file store path, and inquiry is corresponding to the latest firmware version number of the model of described chip;
Operating unit 410, be configured to, when firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carry out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
In the above-described embodiments, by being version number's numerical value interval of every kind of pre-configured correspondence of chip model, can, according to the current version of firmware of chip number residing version number's numerical value interval, determine the model of this chip.Owing to can accurately identifying the model of current chip, can under pre-configured firmware upgrade file store path, store firmware upgrade file corresponding to all chip models, and model based on current chip accurately chooses corresponding firmware upgrade file, realize the firmware upgrade operation of the chip of compatible Multiple Type.Wherein, the corresponding relation between above-mentioned MCU model and version number's numerical value interval, can be pre-configured and be stored in the inoperative internal memory of equipment (as intelligent television), under the preset path such as eMMC; Or, when equipment support is during by extension storage spaces such as SD card, TF cards, also corresponding relation can be stored in extension storage space.
In addition, latest firmware upgrade file can be triggered or manual triggers when upgrading in the cycle by equipment, downloads and be stored in above-mentioned preset path from corresponding server; Or, after also can being obtained voluntarily by other means by user, be manually stored in above-mentioned preset path; The obtain manner of the application to this file is also not construed as limiting.
Optionally, described acquiring unit 402 specifically for: initiate version number's inquiry request to described chip; And, receive the described current version of firmware number that described chip returns.
Optionally, described acquiring unit 402 also for: in the time cannot obtaining the current version of firmware of described chip, obtain the pre-stored type information of described chip from default store path; Described operating unit 410 also for: according to described pre-stored type information, transfer corresponding latest firmware version number from described firmware upgrade file store path, and carry out accordingly the firmware upgrade operation to described chip.
Optionally, described acquiring unit 402 also for: in the time that described chip corresponding device is started shooting first, obtain the pre-burning firmware version number of described chip; Described determining unit 404 also for: according to the version number's numerical value interval under described pre-burning firmware version number, determine the type information of described chip; And described device for upgrading firmware also comprises: storage unit 412, for using described type information as described pre-stored type information, is stored to described default store path.
The device for upgrading firmware that the invention allows for a kind of chip, comprising: processor; For the storer of storage of processor executable instruction; Wherein, described processor is configured to: the current version of firmware number that obtains chip; Determine the version number's numerical value interval under described current version of firmware number; According to the corresponding relation between pre-configured version number's numerical value interval and chip model, judge the model of described chip; From pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip; When firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carry out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
Therefore, the present invention arranges corresponding version number's numerical value interval by the chip for different model, can accurately identify the model of current chip in equipment, and realizes the firmware upgrade operation to chip smoothly.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (9)
1. a firmware upgrade method for chip, is characterized in that, comprising:
Obtain the current version of firmware number of chip;
Determine the version number's numerical value interval under described current version of firmware number;
According to the corresponding relation between pre-configured version number's numerical value interval and chip model, judge the model of described chip;
From pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
When firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carry out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
2. firmware upgrade method according to claim 1, is characterized in that, the current version of firmware number that obtains chip comprises:
Initiate version number's inquiry request to described chip; And
Receive the described current version of firmware number that described chip returns.
3. firmware upgrade method according to claim 1, is characterized in that, also comprises:
In the time cannot obtaining the current version of firmware of described chip, obtain the pre-stored type information of described chip from default store path;
According to described pre-stored type information, transfer corresponding latest firmware version number from described firmware upgrade file store path, and carry out accordingly the firmware upgrade operation to described chip.
4. firmware upgrade method according to claim 3, is characterized in that, also comprises:
In the time that described chip corresponding device is started shooting first, obtain the pre-burning firmware version number of described chip;
According to the version number's numerical value interval under described pre-burning firmware version number, determine the type information of described chip; And
Using described type information as described pre-stored type information, be stored to described default store path.
5. a device for upgrading firmware for chip, is characterized in that, comprising:
Acquiring unit, for obtaining the current version of firmware number of chip;
Determining unit, for determining the version number's numerical value interval under described current version of firmware number;
Identifying unit, for the corresponding relation between and chip model interval according to pre-configured version number's numerical value, judges the model of described chip;
Query unit, for from pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
Operating unit, for when firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carries out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
6. device for upgrading firmware according to claim 5, is characterized in that, described acquiring unit specifically for:
Initiate version number's inquiry request to described chip; And
Receive the described current version of firmware number that described chip returns.
7. device for upgrading firmware according to claim 5, is characterized in that,
Described acquiring unit also for: in the time cannot obtaining the current version of firmware of described chip, obtain the pre-stored type information of described chip from default store path;
Described operating unit also for: according to described pre-stored type information, transfer corresponding latest firmware version number from described firmware upgrade file store path, and carry out accordingly the firmware upgrade operation to described chip.
8. device for upgrading firmware according to claim 7, is characterized in that,
Described acquiring unit also for: in the time that described chip corresponding device is started shooting first, obtain the pre-burning firmware version number of described chip;
Described determining unit also for: according to the version number's numerical value interval under described pre-burning firmware version number, determine the type information of described chip; And
Described device for upgrading firmware also comprises: storage unit, for using described type information as described pre-stored type information, is stored to described default store path.
9. a device for upgrading firmware for chip, is characterized in that, comprising:
Processor;
For the storer of storage of processor executable instruction;
Wherein, described processor is configured to:
Obtain the current version of firmware number of chip;
Determine the version number's numerical value interval under described current version of firmware number;
According to the corresponding relation between pre-configured version number's numerical value interval and chip model, judge the model of described chip;
From pre-configured firmware upgrade file store path, inquiry is corresponding to the latest firmware version number of the model of described chip;
When firmware version corresponding to described latest firmware version number is during higher than number corresponding firmware version of described current version of firmware, carry out the firmware upgrade operation to described chip according to firmware upgrade file corresponding to described latest firmware version number.
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