CN106933603A - A kind of method of burning chip, device and microcontroller - Google Patents
A kind of method of burning chip, device and microcontroller Download PDFInfo
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- CN106933603A CN106933603A CN201511016315.6A CN201511016315A CN106933603A CN 106933603 A CN106933603 A CN 106933603A CN 201511016315 A CN201511016315 A CN 201511016315A CN 106933603 A CN106933603 A CN 106933603A
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Abstract
The present invention relates to chip technology field, there is provided a kind of method of burning chip, device and microcontroller, it is intended to solve the problems, such as that burning chip efficiency is low in the prior art.Methods described includes：Microcontroller receives the packet for treating burning that recording device sends, and by the data pack buffer in the static memory of the microcontroller；The packet that will be cached in the static memory, according to preset burning unit burning in target memory.The technical scheme that the present invention is provided is transmitted in units of packet between recording device and microcontroller, it is saved in the static memory of microcontroller by by packet, and burning is carried out according to preset burning unit to being buffered in the packet in static memory, so as to effectively raise burning efficiency.
Description
Technical field
The present invention relates to chip technology field, more particularly to a kind of method of burning chip, device and microcontroller
Device.
Background technology
User application is write the target memory of microcontroller, such as in non-volatile holographic storage medium,
This process is commonly known as " burning ".During burning, how rapidly and efficiently and reliably by user
Burning program is extremely important for control production cost and reliability in microcontroller.
At present, by the common method of user program data recording to microcontroller entered in units of the byte
Row burning.After microcontroller receives the byte data that recording device sends by serial communication interface,
Start internal burning module, this byte data is burnt in target memory.Treat successfully the complete word of burning
Joint number is after, then receives the data of next byte and carry out burning.So repeat, until all routine datas burn
After the completion of record, then by the data of institute's burning, byte is read outside microcontroller one by one by serial communication interface
Verified, checked whether burning is correct.
Due to recording device after having sent a byte, it is necessary to can just be carried out after the completion of waiting the byte burning
The transmission of next byte, therefore efficiency of transmission is not high, causes burning relatively inefficient.
The content of the invention
It is an object of the invention to provide a kind of method of burning chip, device and microcontroller, it is intended to solve
The low problem of burning chip efficiency in the prior art.
A kind of the first aspect of the present invention, there is provided method of burning chip, including：
Microcontroller receives the packet for treating burning that recording device sends, and by the data pack buffer in institute
In stating the static memory of microcontroller；
The packet that will be cached in the static memory, according to preset burning unit burning in target
In memory.
A kind of the second aspect of the present invention, there is provided device of burning chip, including：
Cache module, for receiving the packet for treating burning of recording device transmission, and the packet is delayed
In there is the static memory of the microcontroller；
Burning module, for the packet that will be cached in the static memory, according to preset burning
Unit burning is in target memory.
The third aspect of the present invention, there is provided a kind of microcontroller, the microcontroller includes：
Burning control module, static memory and target memory；
The static memory and the target memory are electrically connected with the burning control module；
The burning control module, is used for
The packet for treating burning that recording device sends is received, and the data pack buffer is deposited in the static state
In reservoir, and
The packet that will be cached in the static memory, according to preset burning unit burning described
In target memory.
The beneficial effect that exists compared with prior art of the present invention is：The technical scheme that the present invention is provided is with data
Wrap as unit is transmitted between recording device and microcontroller, microcontroller is saved in by by packet
Static memory in, and carried out according to preset burning unit to being buffered in the packet in static memory
Burning, so as to effectively raise burning efficiency.
Brief description of the drawings
Fig. 1 is the flow chart of the method for the burning chip that the embodiment of the present invention one is provided；
Fig. 2 is the flow chart of the method for the burning chip that the embodiment of the present invention two is provided；
Fig. 3 is the composition schematic diagram of the device of the burning chip that the embodiment of the present invention three is provided；
Fig. 4 is the composition schematic diagram of the device of the burning chip that the embodiment of the present invention four is provided；
Fig. 5 is the composition schematic diagram of the microcontroller that the embodiment of the present invention five is provided；
Fig. 6 is the composition schematic diagram of the microcontroller that the embodiment of the present invention six is provided.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only it is used to explain the present invention, is not intended to limit the present invention.
Realization of the invention is described in detail below in conjunction with specific accompanying drawing.
Embodiment one：
Fig. 1 is the flow chart of the method for the burning chip that the embodiment of the present invention one is provided, and specifically includes step
S101 to S102, details are as follows：
What S101, microcontroller reception recording device sent treats the packet of burning, and data pack buffer is existed
In the static memory of microcontroller.
Microcontroller (Microcontroller Unit, MCU) is that the major part of microcomputer is integrated
One-chip microcomputer on a single die.The static memory of microcontroller can be SRAM
(Static Random Access Memory, static RAM).
Recording device can will treat that the packet of burning is sent to microcontroller, micro-control by serial communication interface
Device processed is being received after after the packet of burning, by the data pack buffer in the static memory of chip.
Specifically, treat that the length and form of the packet of burning consult true in advance by recording device and microcontroller
It is fixed.Preferably, the data length of each packet can be 128 bytes.Recording device, will before burning
Treat that the whole file of burning is divided into multiple packets according to preset length, the packet that then will be partitioned into
Microcontroller is sent to one by one, in case burning.
S102, the packet that will be cached in static memory, deposit according to preset burning unit burning in target
In reservoir.
Microcontroller reads the packet of caching from static memory, and the burning needed for producing target memory
Record sequential, the data of packet are burned onto in target memory with preset burning unit.
Specifically, target memory can be with right and wrong volatile storage medium memory, such as OTP (One Time
Programmable, One Time Programmable), (Multiple Time Programmable, repeatedly may be used MTP
Programming) and FLASH etc..Preset burning unit can be 1 byte.
It should be noted that the reception of packet and the burning of packet can be come according to the mode of streamline
Carry out, that is, while receiving current data packet, a upper packet is burned onto according to preset burning unit
Target memory.By such processing mode, burning efficiency can be further improved.
In the present embodiment, it is transmitted between recording device and microcontroller in units of packet, is passed through
Packet is saved in the static memory of microcontroller, and the packet to being buffered in static memory
Burning is carried out according to preset burning unit, so as to effectively raise burning efficiency.
Embodiment two：
Fig. 2 is the flow chart of the method for the burning chip that the embodiment of the present invention two is provided, and specifically includes step
S201 to S204, details are as follows：
What S201, microcontroller reception recording device sent treats the packet of burning, and data pack buffer is existed
In first memory block and the second memory block of the static memory of microcontroller.
Microcontroller (Microcontroller Unit, MCU) is that the major part of microcomputer is integrated
One-chip microcomputer on a single die.The static memory of microcontroller can be SRAM
(Static Random Access Memory, static RAM).
Specifically, recording device will treat that the packet of burning is sent to microcontroller by serial communication interface,
Treat that the length and form of the packet of burning are consulted to determine in advance by recording device and microcontroller.
Recording device will treat that the whole file of burning is divided into multiple data according to preset length before burning
Bag, the packet that then will be partitioned into is sent to microcontroller one by one, in case burning.
Preferably, packet can be made up of packet header, data and bag check word.Its middle wrapping head is by 1 byte
Packet starts to identify the bag sequence number composition of (such as 0x1b) and 1 byte；Data length is 128 bytes,
It is divided into 4 32 bytes to come behind packet header, microcontroller can be to burning after often receiving the data of 32 bytes
Equipment sends acknowledgement bit (Acknowledge), represents that data have been received by；It is bag school after the data of 128 bytes
Word is tested, the length of bag check word is 2 bytes, for the transfer check of packet.
Microcontroller receive recording device transmission after after the packet of burning, the packet header to packet is carried out
Parsing, bag sequence number in packet header select corresponding address by data buffer storage in sram.
Specifically, the packet of bag serial number odd number is saved to the first preset memory block of SRAM, example
Such as the bank0 areas of SRAM, the packet of bag serial number even number is saved to preset second of SRAM
The bank1 areas of memory block, such as SRAM.
It should be noted that microcontroller receives the packet for treating burning that recording device sends and by packet
It can be parallel to be cached to SRAM.Being cached to SRAM can be carried out by preset caching unit, in advance
The caching unit put can be 1 byte.
S202, the packet to receiving are transmitted verification.
Transfer check is used to verify whether the packet received by microcontroller error of transmission occurs.Transmission school
Testing can be completed by the bag check word of packet.
Preferably, even-odd check can be carried out to packet according to bag check word, bag check word is by packet
Data according to even-odd check rule produce check information.
Even-odd check be according to the number of " 1 " in one group of numerical digit of binary code being transmitted be odd number or
Even number is verified, and odd is referred to as using odd number, conversely, referred to as even parity check, specifically using strange school
Test or even parity check is pre-specified.Specifically, the number of received data bag is made by bag check word
According to " 1 " in the numerical digit of binary code number be odd number or even number, upon reception of the data packet, according to
Odd, then whether the number for verifying " 1 " is odd number, according to even parity check, then verifies the number of " 1 "
Whether it is even number, so as to judge whether the transmitting procedure of packet makes a mistake.
When transfer check success, represent that packet does not make a mistake in transmitting procedure, microcontroller can
With by serial communication interface confirmation is sent to recording device.Preferably, the confirmation can be true
Recognize position (Acknowledge).Recording device after the confirmation is received, by serial communication interface to
Microcontroller sends stop position (P), represents that current transmission terminates, and start next packet for treating burning
Transmission.
When transfer check fails, represent that packet there occurs mistake in transmitting procedure, microcontroller can be with
Unacknowledged information is sent to recording device by serial communication interface.Preferably, the unacknowledged information can be
Non-acknowledgement position (Not Acknowledge).Recording device after the unacknowledged information is received, by serial
Communication interface sends stop position (P) to microcontroller, represents that current transmission terminates, and start current data packet
Re-transmission.
It should be noted that microcontroller is while static memory caching is delivered a packet to, can be right
Same data are transmitted checking treatment.Therefore, after the completion of data pack buffer, the transmission school of packet
Also corresponding completion is tested, such that it is able to reduce the overall time of burning, burning efficiency is improved.
S203, the packet that will be cached in static memory, deposit according to preset burning unit burning in target
In reservoir.
Microcontroller reads the packet of caching from static memory, and the burning needed for producing target memory
Record sequential, the data of packet are burned onto in target memory with preset burning unit.
Specifically, target memory can be with right and wrong volatile storage medium memory, such as OTP, MTP
With FLASH etc..Preset burning unit can be 1 byte.
It should be noted that the reception of packet and the burning of packet can be come according to the mode of streamline
Carry out, that is, while receiving current data packet, a upper packet is burned onto according to preset burning unit
Target memory.By such processing mode, burning efficiency can be further improved.
S204, read data of the burning in target memory, and with the data being buffered in static memory
Bag carries out burning verification.
Specifically, after the completion of current data packet burning, microcontroller by the current data packet of burning according to
Preset byte unit reads from target memory, and is carried out one by one with the data of caching in static memory
Check and correction, and the successful data bits of check and correction are deleted from corresponding static memory caching, if all ratios
Special bit check passes through, then the burning success of packet, otherwise burning failure.When burning failure, microcontroller
Device can be to being buffered in static memory the data of burning failure carry out n burning again, wherein n can be with
By user configuring.If burning verification is all unsuccessful after n burning, then it is assumed that burning failure.
Microcontroller behind the packet header for receiving the next packet transmitted by recording device, by program state
The burning check results of current data packet are fed back to recording device in position.Preferably, the length of program state position can
Think 2 bits (Bit), representing that current data packet burning succeeds and verifies with 00 passes through, with 11
Verified after expression current data packet burning and do not passed through, 01 and 10 retain.
Due to prior art verification when, it is necessary to byte reads from chip one by one by the data of burning
The data stored in chip exterior, with recording device are verified, and this external equipment is read from recording device
Access according to need spend longer time, therefore cause verification it is relatively inefficient.The burning school of the present embodiment
Test need not by outside the digital independent of burning to chip, directly chip internal be buffered in static memory
Data verified, therefore improve verification efficiency.
On the other hand, in the prior art, when some byte verifies failure, it is necessary to re-execute to this
Operation " is write " in the burning of byte, then its " reading " is gone out into verification by serial communication interface, until success
Write-in, thus target memory is frequently switched between " writing " pattern and " reading " pattern, by
Needed plus programming high pressure in " writing " pattern, " reading " pattern then closes programming high pressure, therefore frequently switchs
Switching increased chip due to programming high pressure and impaired probability.Programmed by microprocessor control in the present embodiment
The opening and closing of the enable signal (VPEN) of high pressure (Vp), when burning data bag, by VPEN
Open, when burning verification is carried out to packet, VPEN is closed, so as to reduce programming high pressure
Switches switching frequency, reduces programming high pressure to the hurtful probability of chip.
In the present embodiment, it is transmitted between recording device and microcontroller in units of packet, is passed through
Packet is saved in the static memory of microcontroller, and the packet to being buffered in static memory
Burning is carried out according to preset burning unit, while the reception of packet and the burning of packet are according to streamline
Mode carry out, so as to effectively raise burning efficiency；By chip internal be buffered in static storage
Data in device carry out burning verification, it is not necessary to burning data is read into chip exterior and is verified, therefore
Improve verification efficiency；In burning and checking procedure, programming high pressure is opened only when burning data bag,
Programming high pressure is closed when verification data bag, so as to avoid the frequent switching of programming high-voltage switch gear, drop
Low chip impaired probability due to programming high pressure；Packet is avoided in transmitting procedure by transfer check
The mistake being likely to occur, so as to reduce the discarded rate that wrong burning is caused.
Embodiment three：
Fig. 3 is the composition schematic diagram of the device of the burning chip that the embodiment of the present invention three is provided, for the ease of saying
It is bright, illustrate only the part related to the embodiment of the present invention.The device for burning chip of Fig. 3 examples can
To be the executive agent of the method for burning chip that previous embodiment one is provided, it can be microcontroller
Or the One function module in microcontroller.The device for burning chip of Fig. 3 examples mainly includes：
Cache module 31 and burning module 32, each functional module describe in detail as follows：
Cache module 31, the packet for treating burning for receiving recording device transmission, and by data pack buffer
In the static memory of the microcontroller；
Burning module 32, for the packet that will be cached in static memory, burns according to preset burning unit
Record is in target memory.
In the device of the burning chip in the present embodiment, each module realizes the process of respective function, referring to foregoing
The description of embodiment illustrated in fig. 1, here is omitted.
Knowable to the device for burning chip of above-mentioned Fig. 3 examples, in the present embodiment, with packet as single
Position is transmitted between recording device and microcontroller, by the static state that packet is saved in microcontroller
In memory, and burning is carried out according to preset burning unit to being buffered in the packet in static memory,
So as to effectively raise burning efficiency.
Example IV：
Fig. 4 is the composition schematic diagram of the device of the burning chip that the embodiment of the present invention four is provided, for the ease of saying
It is bright, illustrate only the part related to the embodiment of the present invention.The device for burning chip of Fig. 4 examples can
To be the executive agent of the method for burning chip that previous embodiment two is provided, it can be microcontroller
Or the One function module in microcontroller.The device for burning chip of Fig. 4 examples mainly includes：
Cache module 41, burning module 42, burning correction verification module 43 and transfer check module 44, each functional module
Describe in detail as follows：
Cache module 41, the packet for treating burning for receiving recording device transmission, and by data pack buffer
In the static memory of the microcontroller；
Burning module 42, for the packet that will be cached in static memory, burns according to preset burning unit
Record is in target memory；
Burning correction verification module 43, for reading data of the burning in target memory, and be buffered in static state
Packet in memory carries out burning verification；
Transfer check module 44, for being transmitted verification to the packet for receiving, when transfer check success,
Confirmation is sent to recording device so that recording device sends the next packet for treating burning, works as transmission
During verification failure, unacknowledged information is sent to recording device so that the recording device retransmits the packet.
Specifically, bag sequence number is included in packet, cache module 41 includes：
First cache sub-module 411, if for the bag serial number odd number of packet, data pack buffer is existed
First memory block of the static memory of microcontroller；
Second cache sub-module 412, if for the bag serial number even number of packet, data pack buffer is existed
Second memory block of the static memory of microcontroller.
Specifically, bag check word is included in packet, transfer check module 44 is additionally operable to according to the bag school
Test word carries out even-odd check to the packet.
In the device of the burning chip in the present embodiment, each module realizes the process of respective function, referring to foregoing
The description of embodiment illustrated in fig. 2, here is omitted.
Knowable to the device for burning chip of above-mentioned Fig. 4 examples, in the present embodiment, with packet as single
Position is transmitted between recording device and microcontroller, by the static state that packet is saved in microcontroller
In memory, and burning is carried out according to preset burning unit to being buffered in the packet in static memory,
The reception of packet simultaneously is carried out with the burning of packet according to the mode of streamline, so as to effectively raise
Burning efficiency；Burning verification is carried out with the data in being buffered in static memory by chip internal, is not required to
Burning data is read into chip exterior to be verified, therefore improves verification efficiency；In burning and verification
During, programming high pressure is opened only when burning data bag, programming is closed when verification data bag
High pressure, so as to avoid the frequent switching of programming high-voltage switch gear, is reduced chip and is damaged due to programming high pressure
Probability；The mistake that packet is likely to occur in transmitting procedure is avoided by transfer check, so as to reduce mistake
The discarded rate that burning is caused by mistake.
Embodiment five：
Fig. 5 is the composition schematic diagram of the microcontroller that the embodiment of the present invention five is provided, for convenience of description, only
Show the part related to the embodiment of the present invention.The microcontroller of Fig. 5 examples can be previous embodiment one
The executive agent of the method for burning chip for providing.The microcontroller of Fig. 5 examples includes：Burning is controlled
Module 51, static memory 52 and target memory 53.
Static memory 52 and target memory 53 are electrically connected with burning control module 51.
Burning control module 51, the packet for treating burning for receiving recording device transmission, and by packet
It is buffered in the static memory 52 of microcontroller, and the packet that will be cached in static memory 52,
According to preset burning unit burning in target memory 53.
In microcontroller in the present embodiment, each several part realizes the process of respective function, referring to the institute of earlier figures 1
Show the description of embodiment, here is omitted.
Knowable to the microcontroller of above-mentioned Fig. 5 examples, in the present embodiment, set in burning in units of packet
It is standby to be transmitted between microcontroller, it is saved in the static memory of microcontroller by by packet,
And burning is carried out according to preset burning unit to being buffered in the packet in static memory, so that effectively
Improve burning efficiency.
Embodiment six：
Fig. 6 is the composition schematic diagram of the microcontroller that the embodiment of the present invention six is provided, for convenience of description, only
Show the part related to the embodiment of the present invention.The microcontroller of Fig. 6 examples can be previous embodiment two
The executive agent of the method for burning chip for providing.The microcontroller of Fig. 6 examples includes：Burning is controlled
Module 61, static memory 62, target memory 63 and transfer check module 64.
Static memory 62, target memory 63 and transfer check module 64 with burning control module 61
It is electrically connected with.
Burning control module 61, the packet for treating burning for receiving recording device transmission, and by packet
It is buffered in the static memory 62 of microcontroller, and the packet that will be cached in static memory 62,
According to preset burning unit burning in target memory 63.
Specifically, bag sequence number is included in packet, static memory 62 includes the first memory block 621 and second
Memory block 622, burning control module 61, if being additionally operable to the bag serial number odd number of packet, by packet
Be buffered in the first memory block 621 of the static memory of microcontroller, and if packet bag serial number idol
Number, then by data pack buffer in the second memory block 621 of the static memory of microcontroller.
Burning control module 61, is additionally operable to read data of the burning in target memory 63, and with caching
Packet in static memory 62 carries out burning verification.
The opening and closing of the enable signal (VPEN) of control programming high pressure of burning control module 61 (Vp),
When burning data bag, VPEN is opened, when burning verification is carried out to packet, will
VPEN is closed, so as to reduce the switches switching frequency of programming high pressure, reduces programming high pressure and chip is caused to damage
Harmful probability.
Transfer check module 64 includes：Verification word register 641, total check register 642, check word
Section counter 643, the comparator 645 of first comparator 644 and second.
Verification word register 641 and total check register 642 are electrically connected with the second comparator 645；
Check byte counter 643 is electrically connected with first comparator 644；
First comparator 644 is electrically connected with the second comparator 645.
Total check register 642, the data for receiving packet from burning control module 61, this is counted
According to being added in the cache size of total check register 642, while trigger check byte counter 643 adding up
Count；
First comparator 644, the data volume of value and packet for twin check byte counter 643,
When the value of check byte counter 643 and the identical data volume of packet, the second comparator 645 is driven to enter
Row transfer check；
Second comparator 645, cache size and verification word register for comparing total check register 642
641 value is transmitted verification, when cache size and the verification word register 641 of total check register 642
Value it is identical when, transfer check success, the successful result of transfer check is sent to burning control module 61,
Notify that burning control module 61 sends confirmation to recording device so that recording device transmission is treated under burning
One packet, when cache size and the value of verification word register 641 of total check register 642 are differed
When, transfer check failure notifies that burning control module 61 sends unacknowledged information to recording device so that burn
Recording apparatus retransmit the packet.
Specifically, transfer check module 64 be transmitted verification process describe in detail it is as follows：
The transfer check of packet and data pack buffer to the first memory block 621 and second of static memory 62
Memory block 622 is parallel.Burning control module 61 receives recording device and sends by serial communication interface
Packet after, by the data (wdata) of packet send to static memory 62 cache while,
Same data wdata is sent to transfer check module 64.
When the data (wdata) for needing to cache are ready, write enable signal (wen) has been set to
Effect, now burning control module 61 by wdata be cached to static memory 62 the first memory block 621 or
The corresponding storage address (waddr) in second memory block 622, while wen also serves as transfer check module 64
Input enable signal (enable).When wen signals are effective, transfer check module 64 will trigger tired
Plus checkout action, the cache size of wdata and total check register 642 is carried out into accumulating operation, it is cumulative
Result is updated in total check register 642, while triggering check byte counter 643 carries out Jia 1
Action, the result of accumulated counts is updated in check byte counter 643.Data with packet are 128
As a example by byte, when the data of whole packet are all stored to static memory 62, check byte counter
643 value is 128, and now first comparator 644 exports and effectively enable signal (cmp_enable) and drive the
Two comparators 645, make the second comparator 645 that the cache size of total check register 642 is posted with check word
The value of storage 641 is compared, if the cache size of total check register 642 and verification word register 641
Value it is equal, then transfer check success, otherwise transfer check failure.
The result (vrf_result) of transfer check is fed back to burning control module 61 by the second comparator 645,
Burning control module 61 is operated accordingly according to the result of the transfer check of packet.If transfer check
Success, then send confirmation to recording device so that recording device sends the next packet for treating burning,
If transfer check fails, unacknowledged information is sent to recording device so that recording device log-on data bag
Retransmit.
In microcontroller in the present embodiment, each several part realizes the process of respective function, referring to the institute of earlier figures 2
Show the description of embodiment, here is omitted.
Knowable to the microcontroller of above-mentioned Fig. 6 examples, in the present embodiment, set in burning in units of packet
It is standby to be transmitted between microcontroller, it is saved in the static memory of microcontroller by by packet,
And burning is carried out according to preset burning unit to being buffered in the packet in static memory, while packet
Reception carried out according to the mode of streamline with the burning of packet, so as to effectively raise burning efficiency；
Burning verification is carried out with the data in being buffered in static memory, it is not necessary to by chip internal by burning number
Verified according to chip exterior is read, therefore improve verification efficiency；In burning and checking procedure, only
Programming high pressure is opened when burning data bag, programming high pressure is closed when verification data bag, so that
Avoid programming high-voltage switch gear frequent switching, reduce chip due to programming high pressure and impaired probability；It is logical
The mistake that transfer check avoids packet from being likely to occur in transmitting procedure is crossed, so as to reduce wrong burning cause
Discarded rate.
It should be noted that each embodiment in this specification is described by the way of progressive, each
What embodiment was stressed is all the difference with other embodiment, identical between each embodiment or phase
As part mutually referring to.For device class and system class embodiment, because it is implemented with method
Example is substantially similar, so description is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
It is worth noting that, in said apparatus embodiment, included modules and unit are according to work(
Energy logic is divided, but is not limited to above-mentioned division, as long as corresponding function can be realized；
In addition, the specific name of each functional module and unit is also only to facilitate mutually differentiation, is not limited to
Protection scope of the present invention.
It will appreciated by the skilled person that all or part of step in realizing the various embodiments described above method
Rapid to can be by program to instruct the hardware of correlation to complete, corresponding program can be stored in a computer
In read/write memory medium, described storage medium, such as ROM/RAM, disk or CD.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair
Any modification, equivalent and improvement made within bright spirit and principle etc., should be included in the present invention
Protection domain within.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair
Any modification, equivalent and improvement made within bright spirit and principle etc., should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of method of burning chip, it is characterised in that including：
Microcontroller receives the packet for treating burning that recording device sends, and by the data pack buffer in institute
In stating the static memory of microcontroller；
The packet that will be cached in the static memory, according to preset burning unit burning in target
In memory.
2. the method for burning chip according to claim 1, it is characterised in that wrapped in the packet
Sequence number containing bag, the static memory by the data pack buffer in the microcontroller includes：
If the bag serial number odd number of the packet, by the data pack buffer in the quiet of the microcontroller
First memory block of state memory；
If the bag serial number even number of the packet, by the data pack buffer in the quiet of the microcontroller
Second memory block of state memory.
3. the method for burning chip according to claim 1 and 2, it is characterised in that it is described will be described
The packet cached in static memory, according to preset burning unit burning in target memory
After step, also include：
Read data of the burning in the target memory, and with the institute being buffered in the static memory
Stating packet carries out burning verification.
4. the method for burning chip according to claim 1 and 2, it is characterised in that the microcontroller
Device also includes after receiving the packet for treating burning that recording device sends：
The packet to receiving is transmitted verification；
When transfer check success, confirmation is sent to the recording device so that the burning sets
Preparation send the next packet for treating burning；
When the transfer check fails, unacknowledged information is sent to the recording device so that the burning
Equipment retransmits the packet.
5. a kind of device of burning chip, it is characterised in that including：
Cache module, for receiving the packet for treating burning of recording device transmission, and the packet is delayed
In there is the static memory of the microcontroller；
Burning module, for the packet that will be cached in the static memory, according to preset burning
Unit burning is in target memory.
6. the device of burning chip according to claim 5, it is characterised in that
Bag sequence number is included in the packet, the cache module includes：
First cache sub-module, if for the bag serial number odd number of the packet, the packet is delayed
There is the first memory block of the static memory of the microcontroller；
Second cache sub-module, if for the bag serial number even number of the packet, the packet is delayed
There is the second memory block of the static memory of the microcontroller.
Described device also includes：
Burning correction verification module, for reading data of the burning in the target memory, and be buffered in institute
The packet stated in static memory carries out burning verification.
7. the device of the burning chip according to claim 5 or 6, it is characterised in that described device is also
Including：
Transfer check module, for being transmitted verification to the packet for receiving, when the transfer check
During success, confirmation is sent to the recording device so that the recording device sends and treats the next of burning
Individual packet, when the transfer check fails, sends unacknowledged information so that institute to the recording device
State recording device and retransmit the packet.
8. a kind of microcontroller, it is characterised in that the microcontroller includes：
Burning control module, static memory and target memory；
The static memory and the target memory are electrically connected with the burning control module；
The burning control module, is used for
The packet for treating burning that recording device sends is received, and the data pack buffer is deposited in the static state
In reservoir, and
The packet that will be cached in the static memory, according to preset burning unit burning described
In target memory.
9. microcontroller according to claim 8, it is characterised in that
Bag sequence number is included in the packet, the static memory includes the first memory block and the second memory block,
The burning control module, is additionally operable to
If the bag serial number odd number of the packet, by the data pack buffer in the quiet of the microcontroller
First memory block of state memory, and
If the bag serial number even number of the packet, by the data pack buffer in the quiet of the microcontroller
Second memory block of state memory.
The burning control module, is additionally operable to read data of the burning in the target memory, and with it is slow
The packet existed in the static memory carries out burning verification.
10. microprocessor according to claim 8 or claim 9, it is characterised in that described device also includes：
The transfer check module being electrically connected with the burning control module, the transfer check module includes：Verification
Word register, total check register, check byte counter, first comparator and the second comparator；
The verification word register and the total check register are electrically connected with second comparator；
The check byte counter is electrically connected with the first comparator；
The first comparator is electrically connected with second comparator；
The total check register, the data for receiving the packet from the burning control module,
By in the cache size of the data accumulation to the total check register, while triggering the check byte meter
Number device accumulated counts；
The first comparator, for comparing the value of the check byte counter and the data of the packet
Amount, when the value of the check byte counter is identical with the data volume of the packet, drives described second
Comparator is transmitted verification；
Second comparator, is used for
The cache size and the value of the verification word register for comparing the total check register are transmitted
Verification,
When the cache size of the total check register is identical with the value of the verification word register, pass
It is defeated to verify successfully, the successful result of the transfer check is sent to the burning control module, notify described
Burning control module sends confirmation to the recording device so that the recording device sends and treats burning
Next packet,
When the cache size of the total check register is differed with the value of the verification word register,
Transfer check fails, and notifies that the burning control module sends unacknowledged information to the recording device so that
The recording device retransmits the packet.
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