CN109597630A - A kind of P2MP software programming device and method with detection function - Google Patents
A kind of P2MP software programming device and method with detection function Download PDFInfo
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- CN109597630A CN109597630A CN201910085299.8A CN201910085299A CN109597630A CN 109597630 A CN109597630 A CN 109597630A CN 201910085299 A CN201910085299 A CN 201910085299A CN 109597630 A CN109597630 A CN 109597630A
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000872 buffer Substances 0.000 claims abstract description 16
- 238000010586 diagram Methods 0.000 description 6
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
- G06F8/63—Image based installation; Cloning; Build to order
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0016—Inter-integrated circuit (I2C)
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
- Stored Programmes (AREA)
Abstract
The present invention relates to a kind of P2MP software programming device and method with detection function, comprising: host, programming plate and multiple slaves, the host are connected by I2C with the programming plate, and the programming plate passes through I2C and is connected respectively with the multiple slave；The programming plate includes: photo-coupler, TXD serial ports, RXD serial ports and multiple buffers, and the program of host is passed through programming plate programming to multiple slaves.The present invention simplifies programming plate, save the control devices such as single-chip microcontroller, it does not need to programming plate programming program, the logic circuit that the present invention is formed using simple buffer and photo-coupler, it realizes the program burn writing of one-to-many faster speed, and carries out the detection locking of slave using I2C, complete the more accurate programming slave with detection, resource is saved, cost is reduced.
Description
Technical field
The invention belongs to electronic technology fields, and in particular to a kind of P2MP software programming device with detection function and side
Method.
Background technique
Present STB(set-top box) Decoder(decoder) function is stronger and stronger, it is a highly integrated, the height of economical and efficient
Performance SoC(system on chip).Current more and more producers are demodulator(demodulator), DDR is integrated in the processor
, occur being embedded in the CPU of FLASH recently again, in this case, traditional programming method cannot quickly and accurately programming
Program, such as: WinGDB debugging is that JTAG emulation carrys out programming, and this mode programming is slower, very inconvenient, needs additionally to add on mainboard
Upper artificial circuit, and can only one then a burning, PC STB serial ports is upgraded, can only be one-to-one, and because of PC serial ports speed ratio
Relatively slow, programming 4M is about needed 10 minutes, causes efficiency and its low.
Summary of the invention
In view of the deficiencies of the prior art, the invention proposes a kind of P2MP software programming device with detection function and side
Method, the present invention simplify programming plate, save the control devices such as single-chip microcontroller, do not need to programming plate programming program, the present invention
Using the logic circuit of simple buffer and photo-coupler composition, the program burn writing of one-to-many faster speed is realized, and adopt
The detection locking that slave is carried out with I2C, completes the more accurate programming slave with detection, saves resource, reduce cost.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows:
A kind of P2MP software programming device with detection function, comprising: host, programming plate and multiple slaves, the host pass through
I2C is connected with the programming plate, and the programming plate is connected with the multiple slave respectively by I2C, for controlling and detecting institute
State the state of slave；The programming plate includes: photo-coupler, TXD serial ports, RXD serial ports and multiple buffers, wherein described more
A buffer is connected by the RXD serial ports with the host, and each buffer is connected with multiple photo-couplers, often
A photo-coupler is connected with the slave by the TXD serial ports, for the program of host to be passed through the programming of programming plate extremely
Multiple slaves.
Further, further includes: display equipment is connected, for prompting the connection status of slave respectively with multiple slaves.
Further, the host is equipped with presses for the P2MP key into programming mode and the programming for starting programming
Key.
Further, the programming plate is additionally provided with grounding ports, for the grounding ports respectively with the host and slave
It is connected.
Further, the programming plate is additionally provided with power port, for the power port respectively with the host and slave
It is connected.
Further, the host and slave are set-top box.
Meanwhile a method of using the above-mentioned P2MP software programming device programming program with detection function, including it is following
Step:
S1: making host enter programming mode, and host sends synchronization signal by serial ports；
S2: multiple slaves receive the synchronization signal and host synchronization respectively；
S3: host sends I2C data and carries out multiple slave lockings, detects whether each slave connects normally；
S4: program data is divided into multichannel by programming plate and is respectively sent to connect normal slave by host, programming FLASH and
OTP。
Further, further include step S5: the instruction of restarting that slave receiving host is sent is restarted, and completes programming.
Beneficial effects of the present invention include at least: the present invention saves the control such as single-chip microcontroller by simplifying to programming plate
Device is not needed to programming plate programming program, need to only be realized using the logic circuit of simple buffer and photo-coupler composition
The program burn writing of one-to-many faster speed, and locked using the detection that I2C carries out slave, complete the more accurate burning with detection
Slave is write, resource is saved, reduces cost.
Detailed description of the invention
Fig. 1 is schematic structural diagram of the device of the invention.
Fig. 2 is programming plate structural schematic diagram of the present invention.
Fig. 3 is programming method flow diagram of the present invention.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, combined with specific embodiments below to this
Invention is described in further detail.The embodiments described below is exemplary, and for explaining only the invention, and cannot be understood
For limitation of the present invention.Particular technique or condition are not specified in embodiment, according to the literature in the art described skill
Art or condition are carried out according to product description.
According to an embodiment of the invention, Fig. 1 is schematic structural diagram of the device of the invention, shown referring to Fig.1, band of the present invention
The P2MP software programming device of detection function specifically includes that host, programming plate and multiple slaves (slave 1- slave N in figure), institute
It states host to be connected by I2C with the programming plate, the programming plate is connected with the multiple slave respectively by I2C, for controlling
Make and detect the state of the slave.It is understood that I2C includes: SCL and SDA, the present invention is added in P2MP transmission
The effect of response protocol I2C judges whether programming is normal in the process, and whether slave connects by SDA to control each slave
Function, successful connection just transmit data.
According to some embodiments of the present invention, programming device of the present invention can also include: display equipment, respectively with it is multiple
Slave is connected, for prompting the connection status of slave.
According to some embodiments of the present invention, host of the present invention is additionally provided with the P2MP key for entering programming mode
With the programming key for starting programming.
According to an embodiment of the invention, the programming plate is additionally provided with grounding ports (GND), for distinguishing shown in referring to Fig.1
It is connected with the grounding ports of the host and slave.
According to an embodiment of the invention, the programming plate is additionally provided with power port, and (supply voltage is shown in referring to Fig.1
5V), for being connected respectively with the power port of the host and slave.
According to an embodiment of the invention, the present invention is by buffer for more clear description technical solution of the present invention
Two are set as, photo-coupler is set as 16 (photo-coupler 1- photo-couplers 16 in figure), i.e. 16 slaves are described, Fig. 2 is
The programming plate structural schematic diagram of this embodiment of the invention, referring to Fig.1 and shown in 2, the programming plate include: two photo-couplers,
TXD serial ports, RXD serial ports and 16 buffers, wherein described two buffers pass through the TXD of the RXD serial ports and the host
Serial ports is connected, and each buffer is equipped with 8 road output ends and is connected respectively with 16 photo-couplers, and each photo-coupler is logical
It crosses the TXD serial ports to be connected with the RXD serial ports of the slave, every routing photo-coupler is interference-free 16 circuit-switched datas are isolated, real
The two-way asynchronous communication of existing host and slave data/address bus completes program burn writing process for the program of host and passes through the programming of programming plate
To multiple slaves.It is understood that the present invention is not particularly limited the particular number of buffer and photo-coupler and slave.
In another aspect of this invention, a kind of P2MP software programming device programming using above-mentioned with detection function is proposed
The method of program, Fig. 3 are that programming method flow diagram of the present invention is mainly comprised the steps that referring to shown in Fig. 3
S1: making host enter programming mode, and host sends synchronization signal by serial ports；
S2: multiple slaves receive the synchronization signal and host synchronization respectively；
S3: host sends I2C data and carries out multiple slave lockings, detects whether each slave connects normally；
S4: program data is divided into multichannel by programming plate and is respectively sent to connect normal slave by host, programming FLASH and
OTP；According to some embodiments of the present invention, the OTP setting that encryption boot is opened in programming is encrypted.
According to an embodiment of the invention, further including step S5: the instruction of restarting that slave receiving host is sent is restarted, and completes to burn
It writes.
According to some embodiments of the present invention, host and slave of the present invention are the equipment that CPU is embedded in flash, such as machine
Top box, specific type are unrestricted.
In conclusion the present invention saves the control devices such as single-chip microcontroller, does not need to programming by simplifying to programming plate
Plate programming program only need to realize one-to-many faster speed using the logic circuit of simple buffer and photo-coupler composition
Program burn writing, and using I2C carry out slave detection locking, complete band detection more accurate programming slave, saving resource,
Reduce cost.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, at the same time, for those skilled in the art, the think of according to the application
Think, there will be changes in the specific implementation manner and application range.
Claims (8)
1. a kind of P2MP software programming device with detection function, comprising: host, programming plate and multiple slaves, which is characterized in that
The host is connected by I2C with the programming plate, and the programming plate is connected with the multiple slave respectively by I2C, is used for
Control and detect the state of the slave；
The programming plate includes: photo-coupler, TXD serial ports, RXD serial ports and multiple buffers, wherein the multiple buffer is logical
It crosses the RXD serial ports to be connected with the host, each buffer is connected with multiple photo-couplers, each optocoupler
Clutch is connected with the slave by the TXD serial ports, for the program of host to be passed through programming plate programming to multiple slaves.
2. the P2MP software programming device according to claim 1 with detection function, which is characterized in that further include: display
Equipment is connected with multiple slaves respectively, for prompting the connection status of slave.
3. the P2MP software programming device according to claim 2 with detection function, which is characterized in that the host is equipped with
Programming key for entering the P2MP key of programming mode and for starting programming.
4. the P2MP software programming device according to claim 1 with detection function, which is characterized in that the programming plate is also
Equipped with grounding ports, for being connected respectively with the grounding ports of the host and slave.
5. the P2MP software programming device according to claim 1 with detection function, which is characterized in that the programming plate is also
Equipped with power port, for being connected respectively with the power port of the host and slave.
6. the P2MP software programming device according to any one of claims 1-5 with detection function, which is characterized in that institute
It states host and slave is set-top box.
7. a kind of method of the P2MP software programming device programming program using as claimed in claim 3 with detection function, special
Sign is, comprising the following steps:
S1: making host enter programming mode, and host sends synchronization signal by serial ports；
S2: multiple slaves receive the synchronization signal and host synchronization respectively；
S3: host sends I2C data and carries out multiple slave lockings, detects whether each slave connects normally；
S4: program data is divided into multichannel by programming plate and is respectively sent to connect normal slave by host, programming FLASH and
OTP。
8. the method according to the description of claim 7 is characterized in that further including step S5: what slave receiving host was sent restarts
Instruction is restarted, and programming is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085299.8A CN109597630B (en) | 2019-01-29 | 2019-01-29 | P2MP software programming device and method with detection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085299.8A CN109597630B (en) | 2019-01-29 | 2019-01-29 | P2MP software programming device and method with detection function |
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| Publication Number | Publication Date |
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| CN109597630A true CN109597630A (en) | 2019-04-09 |
| CN109597630B CN109597630B (en) | 2023-12-29 |
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Cited By (1)
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| CN114385093A (en) * | 2022-03-24 | 2022-04-22 | 成都雷电微力科技股份有限公司 | System for promoting phased array antenna production efficiency |
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