CN104866401B - Signal acquiring method and device in piece - Google Patents
Signal acquiring method and device in piece Download PDFInfo
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- CN104866401B CN104866401B CN201510288315.5A CN201510288315A CN104866401B CN 104866401 B CN104866401 B CN 104866401B CN 201510288315 A CN201510288315 A CN 201510288315A CN 104866401 B CN104866401 B CN 104866401B
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Abstract
The embodiment of the present invention provides a kind of interior signal acquiring method and device, wherein the method includes：Controller receives switching command, switches into corresponding communication pattern；Wherein, the switching command for switch controller bandwidth and indicates that controller enters 1 bit operating mode；Controller is communicated with the communication pattern with external equipment, and signal in the piece of output is sent to measuring device by default output pin.EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and signal in the piece of output is sent to measuring device by presetting output pin, it can be achieved that the acquisition of signal and piece portion signal by measuring device observation analysis EMMC controller in EMMC controller piece.The abnormal debugging being able to carry out under complex scene, can adequately be studied for signal in EMMC controller piece, can carry out error reason investigation when interacting with peripheral data and occurring abnormal.
Description
Technical field
The present invention relates to electronic information designing technique more particularly to a kind of interior signal acquiring methods and device.
Background technique
It is different if there is data interaction during the EMMC controller of SOC chip is interacted with EMMC controller peripheral data
Often, in order to find out problem, in addition to crawl peripheral hardware plate on interface signal (such as clock signal, command signal and data letter
Number), it is also necessary to the signal inside EMMC controller can be viewed.But the signal of this part belongs to signal in piece, generally can not
Measurement can not be checked.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of interior signal acquiring method and device, with to avoid due to that can not check
The problem of can not finding out data interaction abnormal cause in piece caused by information.
The embodiment of the present invention adopts the following technical scheme that：
In a first aspect, a kind of interior signal acquiring method is provided, including：
Controller receives switching command, switches into corresponding communication pattern；Wherein, the switching command is for switching control
Device bandwidth processed simultaneously indicates that controller enters 1 bit operating mode；
Controller is communicated with the communication pattern with external equipment, and signal in the piece of output is passed through default output
Pin is sent to measuring device.
In a first possible implementation of that first aspect, further include before the controller receives switching command：
Controller receives output setting instruction, and instruction is arranged according to the output, default output pin is arranged.
In conjunction in the first possible implementation, in the second possible implementation, the output setting is instructed
It is identified including predetermined output pin, then it is described to include according to the default output pin of output setting instruction setting：
The output setting instruction is parsed, output pin mark is obtained；
Determine default output pin according to output pin mark, and by the signal output channels of controller with it is described pre-
If output pin is connected to.
In first aspect in the third possible implementation, signal acquiring method further includes in piece：Controller receives defeated
Enter setting instruction, and instruction setting signal input pin is arranged according to the input.
In conjunction in the third possible implementation, in the 4th kind of possible implementation method, the input setting is instructed
It is identified including input pin, then it is described to include according to input setting instruction setting signal input pin：
The input setting instruction is parsed, input pin mark is obtained；
It is identified according to the input pin and determines signal input pin, and by the signal input channel of controller and the letter
The connection of number input pin.
With reference to first aspect or the first is into the 4th kind of possible implementation of any one, in the 5th kind of possible realization
In mode, the switching command is also used to indicate that external equipment enters 1 bit operating mode.
Second aspect provides a kind of interior signal acquisition device, including：
Receiving unit switches into corresponding communication pattern for receiving switching command；Wherein, the switching command is used
In switch controller bandwidth and indicate that controller enters 1 bit operating mode；
Communication unit passes through for being communicated with the communication pattern with external equipment, and by signal in the piece of output
Default output pin is sent to measuring device.
In second aspect in the first possible implementation, signal acquisition device further includes in piece：Setting unit is exported,
Setting instruction is exported for receiving, and instruction is arranged according to the output, default output pin is set.
In conjunction in the first possible implementation, in the second possible implementation, the output setting is instructed
It is identified including predetermined output pin, then the output setting unit includes：
First parsing subunit obtains output pin mark for parsing the output setting instruction；
Output setting subelement, for determining default output pin according to output pin mark, and by controller
Signal output channels are connected to the default output pin.
In second aspect in the third possible implementation, signal acquisition device further includes in piece：Setting unit is inputted,
Input setting instruction is received for controller, and instruction setting signal input pin is arranged according to the input.
In conjunction in the third possible implementation, in the 4th kind of possible implementation method, the input setting is instructed
It is identified including input pin, then the input setting unit includes：
Second parsing subunit obtains input pin mark for parsing the input setting instruction；
Input setting subelement, determines signal input pin for identifying according to the input pin, and by controller
Signal input channel is connected to the signal input pin.
In conjunction with second aspect or the first into the 4th kind of possible implementation of any one, in the 5th kind of possible realization
In mode, the switching command is also used to indicate that external equipment enters 1 bit operating mode.
EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and by the piece of output
Interior signal by default output pin is sent to measuring device, it can be achieved that the acquisition of signal and passing through survey in EMMC controller piece
Measure the piece portion signal of equipment observation analysis EMMC controller.The abnormal debugging being able to carry out under complex scene, being capable of sufficient needle
Signal in EMMC controller piece is studied, error reason investigation can carried out when interacting with peripheral data and occurring abnormal.
Detailed description of the invention
Fig. 1 is the communication construction schematic diagram of EMMC controller and external equipment in the prior art；
One flow diagram of signal acquiring method in the piece that Fig. 2 is applicable in by the embodiment of the present invention one；
One flow diagram of signal acquiring method in the piece that Fig. 3 is applicable in by the embodiment of the present invention two；
One flow diagram of signal acquiring method in the piece that Fig. 4 is applicable in by the embodiment of the present invention three；
One flow diagram of signal acquiring method in the piece that Fig. 5 is applicable in by the embodiment of the present invention four；
One flow diagram of signal acquiring method in the piece that Fig. 6 is applicable in by the embodiment of the present invention five；
One structural module diagram of signal acquisition device in the piece that Fig. 7 A is applicable in by the embodiment of the present invention six；
Another structural module diagram of signal acquisition device in the piece that Fig. 7 B is applicable in by the embodiment of the present invention six.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
EMMC controller passes through data line 0-7 progress data interaction in the prior art shown in Fig. 1, therefore can not carry out EMMC
The acquisition of signal in the piece of controller.The core concept of the embodiment of the present invention is：EMMC controller and EMMC peripheral hardware are with 1 bit
Operating mode is communicated, and only carries out data interaction by certain a data wire (being assumed to be data line 0) and EMMC peripheral hardware, can be with
Remaining seven data lines are vacated as alternative, the realization EMMC for exporting the default output pin of signal in EMMC controller piece
The acquisition of signal in piece.1 bit operating mode described in the embodiment of the present invention is to be communicated in the form of data volume is 1 bit
Operating mode refers in particular to the operating mode for transmitting 1 bit data amount within a clock cycle.
In addition, the embodiment of the present invention can also be drawn by the signal input that instruction setting EMMC controller is arranged according to input
Some interior signals of change EMMC controller can be realized in foot, test the different behaviors of EMMC controller.
Embodiment one
The present embodiment provides a kind of interior signal acquiring method, so-called interior signal refers to the letter of EMMC controller output
Number.Referring to Fig. 2, signal acquiring method may include in the piece shown：
202, EMMC controller receives switching command, switches into corresponding communication pattern；Wherein, the switching command is used
In switching EMMC controller bandwidth and indicate that controller enters 1 bit operating mode.Corresponding communication pattern is the work of 1 bit
Mode.The 1 bit operating mode is the operating mode communicated in the form of data volume is 1 bit, is referred in particular to one
The operating mode of 1 bit data amount of transmission in a clock cycle.
204, EMMC controller is communicated with the communication pattern with external equipment, and signal in the piece of output is passed through
Default output pin is sent to measuring device.
EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and by the piece of output
Interior signal by default output pin is sent to measuring device, it can be achieved that the acquisition of signal and passing through survey in EMMC controller piece
Measure the piece portion signal of equipment observation analysis EMMC controller.The abnormal debugging being able to carry out under complex scene, being capable of sufficient needle
Signal in EMMC controller piece is studied, error reason investigation can carried out when interacting with peripheral data and occurring abnormal.
Embodiment two
The present embodiment provides a kind of interior signal acquiring method, so-called interior signal refers to the letter of EMMC controller output
Number.Referring to Fig. 3, signal acquiring method can originate in the piece shown：Occur when EMMC controller is determining with external equipment
When data interaction exception, 300 are entered step.
300, EMMC controller receives output setting instruction, and the default output of instruction setting is arranged according to the output and draws
Foot.Output setting instruction includes that predetermined output pin identifies, then it is described be arranged according to output setting instruction preset it is defeated
Pin may include out：
The output setting instruction is parsed, output pin mark is obtained；
Determine default output pin according to output pin mark, and by the signal output channels of controller with it is described pre-
If output pin is connected to.
301, EMMC controller receives input setting instruction, and instruction setting signal input is arranged according to the input and draws
Foot.The input setting instruction includes that input pin identifies, then described to be drawn according to input setting instruction setting signal input
Foot may include：
The input setting instruction is parsed, input pin mark is obtained；
It is identified according to the input pin and determines signal input pin, and by the signal input channel of controller and the letter
The connection of number input pin.
302, EMMC controller receives switching command, switches into corresponding communication pattern；Wherein, the switching command is used
In switching EMMC controller bandwidth and indicate that controller enters 1 bit operating mode.Corresponding communication pattern is the work of 1 bit
Mode.Specifically, the switching command is also used to indicate that external equipment enters 1 bit operating mode, so that EMMC controller energy
It is enough fully to be communicated with 1 bit operating mode.The 1 bit operating mode is to carry out in the form of data volume is 1 bit
The operating mode of communication refers in particular to the operating mode for transmitting 1 bit data amount within a clock cycle.
304, EMMC controller is communicated with the communication pattern with external equipment, and signal in the piece of output is passed through
Default output pin is sent to measuring device.
It should be understood that：Step 300 and step 301 only set EMMC controller input pin and output pin
It sets, therefore step 300 and step 301 sequence, step 300 synchronous can also be executed with step 301 in no particular order.
EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and by the piece of output
Interior signal by default output pin is sent to measuring device, it can be achieved that the acquisition of signal and passing through survey in EMMC controller piece
Measure the piece portion signal of equipment observation analysis EMMC controller.The abnormal debugging being able to carry out under complex scene, being capable of sufficient needle
Signal in EMMC controller piece is studied, error reason investigation can carried out when interacting with peripheral data and occurring abnormal.
In addition, in a practical situation sometimes, it is therefore desirable to be able to some white-box testings are done for EMMC controller,
Some interior signals of change controller, the different behaviors of test controller, and in the case where modifying certain interior signals
To test other several relevant interior signals, observation and research controller progress mistake investigation function.The present embodiment can pass through
Instruction is set according to the output, default output pin is set, according to input setting instruction setting signal input pin, i.e.,
Some interior signals of change controller, the different behaviors of test controller can be achieved, and modifying certain interior signals
In the case of test the purposes of other several relevant interior signals.
Embodiment three
The present embodiment provides a kind of interior signal acquiring method, so-called interior signal refers to the letter of EMMC controller output
Number.Referring to Fig. 4, show in piece signal acquiring method one can application scenarios, including：EMMC controller and EMMC controller
The register interface of connection and the external equipment being connect with EMMC controller (i.e. EMMC peripheral hardware).
EMMC controller includes line width converter unit, output select unit and input signal transmission unit.The line width becomes
Unit is changed for sending switching command, so that EMMC controller, EMMC peripheral hardware switch into corresponding communication pattern, EMMC control
Device and EMMC peripheral hardware are used only data line 0 and carry out data interaction.Output select unit, for signal in piece is defeated by presetting
Pin exports out.Input signal transmission unit, for externally input signal to be sent to corresponding module.Register interface includes
Output measurement position, output selection position, input measurement position and input selection position.
Method provided in this embodiment can be used for testing signal in the piece inside EMMC controller, can specifically include：
(1) output of driver deployment register interface measures position, and selection wishes the controller internal signal exported (i.e.
Signal in piece), and configure output selection position, it would be desirable to the controller internal signal (i.e. signal in piece) of output is bundled in different
In data pin.
(2) the line width converter unit of the output measurement position notice EMMC controller of register interface sends line width switching automatically
Order allows EMMC peripheral hardware to enter 1 bit operating mode and switches EMMC controller line width, EMMC controller is allowed also to enter 1 bit
Operating mode.The 1 bit operating mode is the operating mode communicated in the form of data volume is 1 bit, is referred in particular to
The operating mode of 1 bit data amount is transmitted within a clock cycle.
(3) output select unit of register interface notice EMMC controller selects matching for position according to the output of register
It sets, different internal signals (i.e. signal in piece) is assigned on different data pins (i.e. default output pin).
(4) driving developer can measure different data pins (i.e. default output pin) in plate grade,
The internal signal (i.e. signal in piece) of observation analysis EMMC controller.
EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and by the piece of output
Interior signal by default output pin is sent to measuring device, it can be achieved that the acquisition of signal and passing through survey in EMMC controller piece
Measure the piece portion signal of equipment observation analysis EMMC controller.The abnormal debugging being able to carry out under complex scene, being capable of sufficient needle
Signal in EMMC controller piece is studied, error reason investigation can carried out when interacting with peripheral data and occurring abnormal.
In addition, in a practical situation sometimes, it is therefore desirable to be able to some white-box testings are done for EMMC controller,
Some interior signals of change controller, the different behaviors of test controller, and in the case where modifying certain interior signals
To test other several relevant interior signals, observation and research controller progress mistake investigation function.The present embodiment can pass through
Instruction is set according to the output, default output pin is set, according to input setting instruction setting signal input pin, i.e.,
Some interior signals of change controller, the different behaviors of test controller can be achieved, and modifying certain interior signals
In the case of test the purposes of other several relevant interior signals.
Example IV
The present embodiment provides a kind of interior signal acquiring method, so-called interior signal refers to the letter of EMMC controller output
Number.Referring to Fig. 5, show in piece signal acquiring method one can application scenarios, including：EMMC controller and EMMC controller
The register interface of connection and the external equipment being connect with EMMC controller (i.e. EMMC peripheral hardware).
EMMC controller includes line width converter unit, output select unit and input signal transmission unit.The line width becomes
Unit is changed for sending switching command, so that EMMC controller switches into corresponding communication pattern.Output select unit is used for
Signal in piece is passed through into default output pin output.Input signal transmission unit, for externally input signal to be sent to phase
Answer module.
Register interface includes output measurement position, output selection position, input measurement position and input selection position.
Method provided in this embodiment can be used for input signal to the inside of EMMC controller, can specifically include：
(1) the input measurement position of driver deployment register interface, selection wish being input from the outside, for triggering control
The signal of device internal act processed, and configure input selection position, it would be desirable to the signal of the controller of input is bundled in different data
On pin (i.e. signal input pin).
(2) the line width converter unit of the input measurement notice EMMC controller of register interface sends line width switching life automatically
It enables, EMMC peripheral hardware is allowed to enter 1 bit operating mode and switches EMMC controller line width, controller is allowed also to enter 1 bit Working mould
Formula.The 1 bit operating mode is the operating mode communicated in the form of data volume is 1 bit, is referred in particular at one
The operating mode of 1 bit data amount of transmission in clock cycle.
(3) the input selecting unit of register interface notice EMMC controller selects matching for position according to the input of register
It sets, is tied on the unlike signal inside controller by the input signal of different data pin (i.e. signal input pin).
(4) driving developer can carry out triggering letter to different data pins (i.e. signal input pin) in plate grade
Number input, the behavior of observation analysis EMMC controller.
EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and by the piece of output
Interior signal by default output pin is sent to measuring device, it can be achieved that the acquisition of signal and passing through survey in EMMC controller piece
Measure the piece portion signal of equipment observation analysis EMMC controller.The abnormal debugging being able to carry out under complex scene, being capable of sufficient needle
Signal in EMMC controller piece is studied, error reason investigation can carried out when interacting with peripheral data and occurring abnormal.
In addition, in a practical situation sometimes, it is therefore desirable to be able to some white-box testings are done for EMMC controller,
Some interior signals of change controller, the different behaviors of test controller, and in the case where modifying certain interior signals
To test other several relevant interior signals, observation and research controller progress mistake investigation function.The present embodiment can pass through
Instruction is set according to the output, default output pin is set, according to input setting instruction setting signal input pin, i.e.,
Some interior signals of change controller, the different behaviors of test controller can be achieved, and modifying certain interior signals
In the case of test the purposes of other several relevant interior signals.
Embodiment five
The present embodiment provides a kind of interior signal acquiring method, so-called interior signal refers to the letter of EMMC controller output
Number.Referring to Fig. 6, show in piece signal acquiring method one can application scenarios, including：EMMC controller and EMMC controller
The register interface of connection and the external equipment being connect with EMMC controller (i.e. EMMC peripheral hardware).
EMMC controller includes line width converter unit, output select unit and input signal transmission unit.The line width becomes
Unit is changed for sending switching command, so that EMMC controller switches into corresponding communication pattern.Output select unit is used for
Signal in piece is passed through into default output pin output.Input signal transmission unit, for externally input signal to be sent to phase
Answer module.
Register interface includes output measurement position, output selection position, input measurement position and input selection position.
Method provided in this embodiment can be used for white-box testing and control sequential research, can specifically include：
(1) the drive software input of configuration register interface, output measurement position and input simultaneously, output selection position, are wished
Controller is hoped to use certain data lines as input, certain data lines are used as output.
(2) the line width converter unit of register interface notice EMMC controller sends line width switching command automatically, allows EMMC
Peripheral hardware enters 1 bit operating mode and switches EMMC controller line width, and controller is allowed also to enter 1 bit operating mode.1 ratio
Secret service operation mode is the operating mode communicated in the form of data volume is 1 bit, is referred in particular within a clock cycle
Transmit the operating mode of 1 bit data amount.
(3) output select unit of register interface notice EMMC controller selects matching for position according to the output of register
It sets, different internal signals (i.e. signal in piece) is assigned on different data pins (i.e. default output pin).Register
The input selecting unit of interface notification EMMC controller, according to the configuration of the input selection position of register, by different data pin
The input signal of (i.e. signal input pin) is tied on the unlike signal inside controller.
(4) driving developer can be in plate grade to the data pin (i.e. signal input pin) for being configured to input signal
Carry out trigger signal input, the behavior of observation analysis EMMC controller.And the data for being configured to input signal are drawn in plate grade
Foot carries out signal measurement, and independent assortment carries out the timing management of white-box testing and each road control signal of chip interior.
EMMC of embodiment of the present invention controller is communicated with 1 bit operating mode with external equipment, and by the piece of output
Interior signal by default output pin is sent to measuring device, it can be achieved that the acquisition of signal and passing through survey in EMMC controller piece
Measure the piece portion signal of equipment observation analysis EMMC controller.The abnormal debugging being able to carry out under complex scene, being capable of sufficient needle
Signal in EMMC controller piece is studied, error reason investigation can carried out when interacting with peripheral data and occurring abnormal.
In addition, in a practical situation sometimes, it is therefore desirable to be able to some white-box testings are done for EMMC controller,
Some interior signals of change controller, the different behaviors of test controller, and in the case where modifying certain interior signals
To test other several relevant interior signals, observation and research controller progress mistake investigation function.The present embodiment can pass through
Instruction is set according to the output, default output pin is set, according to input setting instruction setting signal input pin, i.e.,
Some interior signals of change controller, the different behaviors of test controller can be achieved, and modifying certain interior signals
In the case of test the purposes of other several relevant interior signals.
Embodiment six
Fig. 7 A and 7B are please referred to, a kind of interior signal acquisition device is provided, including：
Receiving unit 701 switches into corresponding communication pattern for receiving switching command；Wherein, the switching command
For switch controller bandwidth and indicate that controller enters 1 bit operating mode；The 1 bit operating mode is to be with data volume
The operating mode that the form of 1 bit is communicated refers in particular to the work for transmitting 1 bit data amount within a clock cycle
Mode.
Communication unit 702 leads to for being communicated with the communication pattern with external equipment, and by signal in the piece of output
It crosses default output pin and is sent to measuring device.
Further, signal acquisition device further includes in piece：Setting unit 700 is exported, for receiving output setting instruction,
And instruction is arranged according to the output, default output pin is set.
Further, the output setting instruction includes that predetermined output pin identifies, then the output setting unit 700 wraps
It includes：
First parsing subunit 7001 obtains output pin mark for parsing the output setting instruction；
Output setting subelement 7002, for determining default output pin according to output pin mark, and will control
The signal output channels of device are connected to the default output pin.
Further, signal acquisition device further includes in piece：Setting unit 703 is inputted, input is received for controller and sets
Instruction is set, and instruction setting signal input pin is arranged according to the input.
Further, the input setting instruction includes that input pin identifies, then the input setting unit 703 includes：
Second parsing subunit 7031 obtains input pin mark for parsing the input setting instruction；
Input setting subelement 7032 determines signal input pin for identifying according to the input pin, and will control
The signal input channel of device is connected to the signal input pin.
Further, the switching command is also used to indicate that external equipment enters 1 bit operating mode.
Equipment/Installation practice working principle of the invention and corresponding beneficial effect and preceding method embodiment theory
Unanimously, content above-mentioned is specifically seen, details are not described herein.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or the terminal device that include a series of elements not only include those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or end
The intrinsic element of end equipment.In the absence of more restrictions, being limited by sentence " including ... " or " including ... "
Element, it is not excluded that there is also other elements in process, method, article or the terminal device for including the element.This
Outside, herein, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. understand
Being includes this number.
It should be understood by those skilled in the art that, the various embodiments described above can provide as method, apparatus or computer program production
Product.Complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in these embodiments
Form.The all or part of the steps in method that the various embodiments described above are related to can be instructed by program relevant hardware come
It completes, the program can store in the storage medium that computer equipment can be read, for executing the various embodiments described above side
All or part of the steps described in method.The computer equipment, including but not limited to：Personal computer, server, general-purpose computations
It is machine, special purpose computer, the network equipment, embedded device, programmable device, intelligent mobile terminal, smart home device, wearable
Smart machine, vehicle intelligent equipment etc.；The storage medium, including but not limited to：RAM, ROM, magnetic disk, tape, CD, sudden strain of a muscle
It deposits, USB flash disk, mobile hard disk, storage card, memory stick, webserver storage, network cloud storage etc..
The various embodiments described above are referring to the method according to embodiment, equipment (system) and computer program product
Flowchart and/or the block diagram describes.It should be understood that can be realized by computer program instructions every in flowchart and/or the block diagram
The combination of process and/or box in one process and/or box and flowchart and/or the block diagram.It can provide these computers
Program instruction generates a machine to the processor of computer equipment, so that the finger executed by the processor of computer equipment
It enables and generates to specify in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of function.
These computer program instructions, which may also be stored in, to be able to guide computer equipment computer operate in a specific manner and sets
In standby readable memory, so that the instruction being stored in the computer equipment readable memory generates the manufacture including command device
Product, command device realization refer in one or more flows of the flowchart and/or one or more blocks of the block diagram
Fixed function.
These computer program instructions can also be loaded into computer equipment, so that executing on a computing device a series of
Operating procedure is to generate computer implemented processing, so that the instruction executed on a computing device is provided for realizing in process
The step of function of being specified in figure one process or multiple processes and/or block diagrams one box or multiple boxes.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the above description is only an embodiment of the present invention,
It is not intended to limit scope of patent protection of the invention, it is all to utilize equivalent structure made by description of the invention and accompanying drawing content
Or equivalent process transformation, being applied directly or indirectly in other relevant technical fields, similarly includes in patent of the invention
Within protection scope.
Claims (12)
1. a kind of interior signal acquiring method, which is characterized in that including：
The input measurement position of driver deployment register interface, selection using it is being input from the outside, in trigger controller
The signal of portion's behavior, and input selection position is configured, the signal of input controller is bundled in different data pins；
The line width switching command of the input measurement position notice of controller receiving register interface, switches into corresponding communication mould
Formula；Wherein, the switching command for switch controller line width and indicates that controller enters 1 bit operating mode；
Controller is communicated with the communication pattern with external equipment, and by signal in the piece of output by presetting output pin
It is sent to measuring device.
2. the method according to claim 1, wherein further including before the controller receives switching command：
Controller receives output setting instruction, and instruction is arranged according to the output, default output pin is arranged.
3. according to the method described in claim 2, it is characterized in that, output setting instruction includes predetermined output pin mark
Know, then it is described to include according to the default output pin of output setting instruction setting：
The output setting instruction is parsed, output pin mark is obtained；
Determine default output pin according to output pin mark, and by the signal output channels of controller with it is described preset it is defeated
Pin is connected to out.
4. the method according to claim 1, wherein further including：Controller receives input setting and instructs, and according to
The input setting instruction setting signal input pin.
5. according to the method described in claim 4, it is characterized in that, input setting instruction includes that input pin identifies, then
It is described to include according to input setting instruction setting signal input pin：
The input setting instruction is parsed, input pin mark is obtained；
It is identified according to the input pin and determines signal input pin, and the signal input channel of controller and the signal is defeated
Enter pin connection.
6. method according to claim 1-5, which is characterized in that the switching command is also used to indicate external set
It is standby to enter 1 bit operating mode.
7. a kind of interior signal acquisition device, which is characterized in that including：
Register interface is that input measurement position is used to that use to be selected to be input from the outside, for triggering for connect with controller
The signal of controller internal act, input selection position, for the signal of input controller to be bundled in different data pins
On；
Receiving unit, the line width switching command that the input measurement position for receiving register interface notifies, switches into corresponding
Communication pattern；Wherein, the switching command for switch controller line width and indicates that controller enters 1 bit operating mode；
Communication unit, for being communicated with the communication pattern with external equipment, and by signal in the piece of output by presetting
Output pin is sent to measuring device.
8. device according to claim 7, which is characterized in that further include：Setting unit is exported, for receiving output setting
Instruction, and instruction is arranged according to the output, default output pin is set.
9. device according to claim 8, which is characterized in that the output setting instruction includes predetermined output pin mark
Know, then the output setting unit includes：
First parsing subunit obtains output pin mark for parsing the output setting instruction；
Output setting subelement, for determining default output pin according to output pin mark, and by the signal of controller
Output channel is connected to the default output pin.
10. device according to claim 7, which is characterized in that further include：Setting unit is inputted, is received for controller
Input setting instruction, and instruction setting signal input pin is arranged according to the input.
11. device according to claim 10, which is characterized in that the input setting instruction includes that input pin identifies,
Then the input setting unit includes：
Second parsing subunit obtains input pin mark for parsing the input setting instruction；
Input setting subelement, determines signal input pin for identifying according to the input pin, and by the signal of controller
Input channel is connected to the signal input pin.
12. according to the described in any item devices of claim 7-11, which is characterized in that the switching command is also used to indicate external
Equipment enters 1 bit operating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288315.5A CN104866401B (en) | 2015-05-29 | 2015-05-29 | Signal acquiring method and device in piece |
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