CN108197051A - Intelligence manufacture equipment and the data conversion system and method for external audio collecting device - Google Patents
Intelligence manufacture equipment and the data conversion system and method for external audio collecting device Download PDFInfo
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- CN108197051A CN108197051A CN201810004775.4A CN201810004775A CN108197051A CN 108197051 A CN108197051 A CN 108197051A CN 201810004775 A CN201810004775 A CN 201810004775A CN 108197051 A CN108197051 A CN 108197051A
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- China
- Prior art keywords
- data
- signals
- collecting device
- intelligence manufacture
- spi interface
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Classifications
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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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
-
- 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
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- 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
- G06F13/4295—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using an embedded synchronisation
Abstract
The invention discloses intelligence manufacture equipment and the data conversion system and method for external audio collecting device, the data conversion system includes：IIS interfaces are arranged on the external audio collecting device, for sending audio signal.Processor is arranged in the intelligence manufacture equipment, for handling audio signal.SPI interface is set on the processor, for receiving audio signal.The IIS interfaces are connect with the SPI interface.Technical solution of the present invention is simple and practical, realizes and being directly connected to and communicating between IIS interfaces and SPI interface, greatly reduces cost, ensure that the synchronization that signal transmits, prevents loss of data.
Description
Technical field
The present invention relates to equipment interface conversion arts, more particularly to intelligence manufacture equipment and the number of external audio collecting device
According to converting system and method.
Background technology
In intelligence manufacture field, in the high end communication field such as 5G, glass, ceramics are common materials.Glass, Ceramic manufacturing
Usually using the method for grinding.Simultaneously in order to which on-line intelligence analyzes the quality of workpiece grinding and workpiece or sand whether occurs
Wheel damage, using real-time acoustic wave analysis method.When glass ceramic workpieces are damaged or when grinding wheel is damaged, sound wave
Difference is formed with normal sound wave, it in this way can be with intellectual analysis monitoring industrial processes.IIS interfaces have the characteristics that serial, high speed,
It is the communication interface of mainstream in audio data equipment.Spi bus standard is standard configuration on most of processors, easily with outside
Peripheral equipment interaction data.But many general processors are configured without IIS data-interfaces, can not be set with peripheral IIS interfaces voice
Standby interaction.Data conversion between SPI and IIS is usually carried out by fpga chip in the prior art, but is needed larger interior
It deposits, cost is higher.Simultaneously as caching exists, there is delay in system, if data input is too fast, data buffer storage can be caused to overflow
Go out, loss of data occurs.
Invention content
The main object of the present invention be propose intelligence manufacture equipment and external audio collecting device data conversion system and
Method, it is intended to realize and be directly connected to and communicating between IIS interfaces and SPI interface, greatly reduce cost, ensure that signal passes
The synchronization passed, prevents loss of data.
To achieve the above object, intelligence manufacture equipment proposed by the present invention and the data conversion system of external audio collecting device
System, including：IIS interfaces are arranged on the external audio collecting device, for sending audio signal.Processor is arranged on institute
It states in intelligence manufacture equipment, for handling audio signal.SPI interface, setting on the processor, are believed for receiving audio
Number.The IIS interfaces are connect with the SPI interface.
Preferably, IIS interfaces include：SCLK serial clock signals end, SDATA data terminals, LRCK left and right acoustic channels data are cut
Change end.SPI interface includes：CLK clock signal terminals, MISO serial data output terminals and several CS equipment enable signal ends.It is described
SCLK serial clock signals end is connect with the CLK clock signal terminals, and the SDATA data terminals and the MISO serial datas are defeated
Outlet connects.The CS equipment enable signal end includes CS1 ends and CS2 ends, the LRCK left and right acoustic channels data switch terminal setting
Left channel data exports road and right data output road, and the left channel data output road is connect with the CS1 ends, the right side
Channel data output road is connect by a phase inverter with the CS2 ends.
Preferably, IIS interfaces are 16bit signals or 24bit signal output interfaces, and SPI interface connects for 8bit signals
Mouthful, the processor is used to multiple 8bit signal processings being converted to 16bit signals or 24bit signals.
Preferably, phase inverter uses the NOT gate chip of model 74C04.
To solve the above problems, the present invention also proposes intelligence manufacture equipment and the data conversion side of external audio collecting device
Method includes the following steps：
Step S1：The SPI interface of intelligence manufacture equipment is connect with the IIS interfaces of external audio collecting device.
Step S2：IIS interfaces send audio signal.
Step S3：SPI interface receives the audio signal that IIS interfaces are sent.
Step S4：The audio signal that the processor of intelligence manufacture equipment receives SPI interface carries out data processing.
Preferably, in step S1, IIS interfaces setting SCLK serial clock signals end, SDATA data terminals, LRCK or so sound
Track data switch terminal.Also, SPI interface setting CLK clock signal terminals, MISO serial data output terminals and several CS equipment make
It can signal end.
Preferably, in step S1, CS equipment enable signals end is set as CS1 ends and CS2 ends, and LRCK left and right acoustic channels data are cut
It changes end and is set as left channel data output road and right data output road.And：
The SCLK serial clock signals end is connect with the CLK clock signal terminals.
The SDATA data terminals are connect with the MISO serial data output terminals.
Left channel data output road is connect with the CS1 ends.
Right data output road is connect by a phase inverter with the CS2 ends.
Preferably, in step S2, the audio signal that IIS interfaces are sent is 16bit signals or 24bit signals.
Preferably, in step S3, when SPI interface receives the audio signal that IIS interfaces are sent, by the 16bit signals or
24bit signals do twice/receive three times, and be split into the data of 2/3 byte；Also, in step S4, the processor will be torn open
Data after point are handled, and are reduced to the 16bit signals or 24bit signals.
Preferably, phase inverter uses the NOT gate chip of model 74C04.
Compared with prior art, the beneficial effects of the invention are as follows：Utilize SPI interface and the common serial number of IIS interfaces
According to feature, while to its difference hardware, using simple process (only needing to add a simple inverter gate circuit), reach object
Manage the logical sequence docking of layer.Simultaneously in order to be adapted to this hardware transport, in data processing, the data of 24bit are divided into 3
Data after being received using SPI interface, then are reassembled into 24bit data, completed to peripheral IIS by a 8bit data
The reading of audio data.Change the connection mode of traditional IIS interfaces and SPI interface, realize IIS interfaces and SPI interface it
Between be directly connected to and communicate, greatly reduce cost, ensure that signal transmit synchronization, prevent loss of data.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the signal end connection diagram of data conversion system of the present invention；
Fig. 2 is the flow chart of data transfer device of the present invention；
Fig. 3 is the sequence diagram that left and right acoustic channels of the present invention select CS1, CS2 with SPI pieces；
Fig. 4 is reduction schematic diagram inside IIS data transmission of the present invention-SPI interface partition-processor；
Fig. 5 is IIS-SPI general line systems of the present invention and data segmentation, synthesis transition diagram；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
The present invention provides intelligence manufacture equipment and the data conversion system of external audio collecting device, including：IIS interfaces,
It is arranged on the external audio collecting device, for sending audio signal.Processor is arranged on the intelligence manufacture equipment
On, for handling audio signal.SPI interface is set on the processor, for receiving audio signal.As shown in Figure 1, institute
IIS interfaces are stated to connect with the SPI interface.IIS interfaces include：SCLK serial clock signals end, SDATA data terminals, LRCK are left
Right data switch terminal.SPI interface includes：CLK clock signal terminals, MISO serial data output terminals and several CS equipment make
It can signal end.The SCLK serial clock signals end is connect with the CLK clock signal terminals, the SDATA data terminals with it is described
MISO serial data output terminals connect.The CS equipment enable signal end includes CS1 ends and CS2 ends, the LRCK left and right acoustic channels
Data switch terminal setting left channel data exports road and right data output road, left channel data output road with it is described
CS1 ends connect, and the right data output road is connect by a phase inverter with the CS2 ends.
It should be noted that left channel data is low level signal, right data is high electric signal, and the CS equipment
Enable signal end is that received signal is low level signal.Therefore, left channel data output road can directly connect with the CS1 ends
It connects, right data output road can realize the connection with CS2 ends by a phase inverter, and phase inverter can turn high level signal
Become low level signal.
Further, IIS interfaces are 16bit signals or 24bit signal output interfaces, and SPI interface receives for 8bit signals
Interface, the processor are used to 8bit signal processings being converted to 16bit signals or 24bit signals.
Specifically, as shown in Figures 3 to 5, in the docking of SPI interface and IIS interface data layers, SPI interface receives
8bit signals, IIS interfaces output 16bit signals or 24bit signals, the data that SPI interface can export IIS interfaces are done
It receives twice or thrice, is split into the byte of 2 8bit or 3 8bit, original data are then reduced into inside processor.
By taking IIS interfaces export 24bit signals as an example, within the time of L channel, CS1 ends enable, and CS2 ends are closed, 24bit signal quilts
SPI interface receives, and forms the data of 3 8bit bytes.Within the time of right channel, CS2 ends enable, and CS1 ends are closed, 24bit
Signal is received by SPI interface, splits into the data of 3 8bit bytes.The 24bit signals that IIS interfaces are sent, by SPI interface
During reception, it is split into the byte of 3 8bit.By the processing of processor, again by data convert into the audio data of 24bit.
Further, phase inverter use model 74C04 NOT gate chip, it is cheap, greatly reduce system into
This.
The present invention also provides intelligence manufacture equipment and the data transfer device of external audio collecting device, as shown in Fig. 2, packet
Include following steps：
Step S1：The SPI interface of intelligence manufacture equipment is connect with the IIS interfaces of external audio collecting device.
Step S2：IIS interfaces send audio signal.
Step S3：SPI interface receives the audio signal that IIS interfaces are sent.
Step S4：The audio signal that the processor of intelligence manufacture equipment receives SPI interface carries out data processing.
Specifically, in step S1, IIS interfaces setting SCLK serial clock signals end, SDATA data terminals, LRCK or so sound
Track data switch terminal.Also, SPI interface setting CLK clock signal terminals, MISO serial data output terminals and several CS equipment make
It can signal end.Further, in step S1, CS equipment enable signals end is set as CS1 ends and CS2 ends, LRCK left and right acoustic channels numbers
Left channel data output road and right data output road are set as according to switch terminal.And：
The SCLK serial clock signals end is connect with the CLK clock signal terminals.By the SDATA data terminals and institute
State the connection of MISO serial data output terminals.Left channel data output road is connect with the CS1 ends.By the right channel number
It is connect according to output road by a phase inverter with the CS2 ends.
Left channel data is low level signal, and right data is high electric signal, and the CS equipment enable signal end is
Received signal is low level signal.Therefore, left channel data output road can directly be connect with the CS1 ends, right channel number
The connection with CS2 ends can be realized by a phase inverter according to output road, high level signal can be transformed into low level by phase inverter
Signal.Further, the audio signal that IIS interfaces are sent is 16bit signals or 24bit signals, and the audio that SPI interface receives is believed
Number for 8bit signals, 8bit signals can be converted to 16bit signals or 24bit signals by the processor.
Specifically, in the docking of SPI interface and IIS interface data layers, SPI interface receives 8bit signals, and IIS interfaces are defeated
Go out 16bit signals or 24bit signals, the data that SPI interface can export IIS interfaces are done and received twice or thrice, partition
Into the byte of 2 8bit or 3 8bit, original data are then reduced into inside processor.24bit is exported with IIS interfaces
For signal, within the time of L channel, CS1 ends enable, and CS2 ends are closed, and 24bit signals are received by SPI interface, form 3
The data of 8bit bytes.Within the time of right channel, CS2 ends enable, and CS1 ends are closed, and 24bit signals are received by SPI interface, torn open
It is divided into the data of 3 8bit bytes.The 24bit signals that IIS interfaces are sent, when being received by SPI interface, are split into 3 8bit
Byte.By the processing of processor, again by data convert into the audio data of 24bit.
Further, phase inverter is set as the NOT gate chip of model 74C04, cheap, greatly reduces system
Cost.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. intelligence manufacture equipment and the data conversion system of external audio collecting device, which is characterized in that including：IIS interfaces, if
It puts on the external audio collecting device, for sending audio signal；
Processor is arranged in the intelligence manufacture equipment, for handling audio signal；
SPI interface is set on the processor, for receiving audio signal；
The IIS interfaces are connect with the SPI interface.
2. intelligence manufacture equipment as described in claim 1 and the data conversion system of external audio collecting device, feature exist
In the IIS interfaces include：SCLK serial clock signals end, SDATA data terminals, LRCK left and right acoustic channels data switch terminals；It is described
SPI interface includes：CLK clock signal terminals, MISO serial data output terminals and several CS equipment enable signal ends；The SCLK
Serial clock signal end is connect with the CLK clock signal terminals, the SDATA data terminals and the MISO serial data output terminals
Connection；The CS equipment enable signal end includes CS1 ends and CS2 ends, and the LRCK left and right acoustic channels data switch terminal sets left sound
Track data exports road and right data output road, and the left channel data output road is connect with the CS1 ends, the right channel
Data output road is connect by a phase inverter with the CS2 ends.
3. intelligence manufacture equipment as described in claim 1 and the data conversion system of external audio collecting device, feature exist
It is 16bit signals or 24bit signal output interfaces in, IIS interfaces, the SPI interface is 8bit signal receiving interfaces, institute
Processor is stated for multiple 8bit signal processings to be converted to 16bit signals or 24bit signals.
4. intelligence manufacture equipment as claimed in claim 2 and the data conversion system of external audio collecting device, feature exist
In the phase inverter is set as the NOT gate chip of model 74C04.
5. intelligence manufacture equipment and the data transfer device of external audio collecting device, which is characterized in that include the following steps：
Step S1：The SPI interface of intelligence manufacture equipment is connect with the IIS interfaces of external audio collecting device；
Step S2：IIS interfaces send audio signal；
Step S3：SPI interface receives the audio signal that IIS interfaces are sent；
Step S4：The audio signal that the processor of intelligence manufacture equipment receives SPI interface carries out data processing.
6. intelligence manufacture equipment as claimed in claim 5 and the data transfer device of external audio collecting device, feature exist
In in step S1, the IIS interfaces setting SCLK serial clock signals end, SDATA data terminals, LRCK left and right acoustic channels data are cut
Change end；Also, the SPI interface setting CLK clock signal terminals, MISO serial data output terminals and several CS equipment enable letter
Number end.
7. intelligence manufacture equipment as claimed in claim 6 and the data transfer device of external audio collecting device, feature exist
In in step S1, the CS equipment enable signal end setting CS1 ends and CS2 ends, the LRCK left and right acoustic channels data switch terminal are set
Put left channel data output road and right data output road；And：
The SCLK serial clock signals end is connect with the CLK clock signal terminals；
The SDATA data terminals are connect with the MISO serial data output terminals；
Left channel data output road is connect with the CS1 ends；
Right data output road is connect by a phase inverter with the CS2 ends.
8. intelligence manufacture equipment as claimed in claim 5 and the data transfer device of external audio collecting device, feature exist
In in step S2, the audio signal that the IIS interfaces are sent is 16bit signals or 24bit signals.
9. intelligence manufacture equipment as claimed in claim 8 and the data transfer device of external audio collecting device, feature exist
In in step S3, when SPI interface receives the audio signal that IIS interfaces are sent, the 16bit signals or 24bit signals are done two
It is secondary/to receive three times, and it is split into the data of 2/3 byte；Also, in step S4, the processor by the data after fractionation into
Row processing, is reduced to the 16bit signals or 24bit signals.
10. intelligence manufacture equipment as claimed in claim 7 and the data transfer device of external audio collecting device, feature exist
In the phase inverter uses the NOT gate chip of model 74C04.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004775.4A CN108197051A (en) | 2018-01-03 | 2018-01-03 | Intelligence manufacture equipment and the data conversion system and method for external audio collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004775.4A CN108197051A (en) | 2018-01-03 | 2018-01-03 | Intelligence manufacture equipment and the data conversion system and method for external audio collecting device |
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| CN108197051A true CN108197051A (en) | 2018-06-22 |
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| CN201810004775.4A Pending CN108197051A (en) | 2018-01-03 | 2018-01-03 | Intelligence manufacture equipment and the data conversion system and method for external audio collecting device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201104365Y (en) * | 2007-05-31 | 2008-08-20 | 深圳创维－Rgb电子有限公司 | Microcontroller |
| RU2360282C2 (en) * | 2007-08-31 | 2009-06-27 | Государственное образовательное учреждение высшего профессионального образования Московский государственный институт электронной техники (технический университет) | Programmable serial bus controller |
| CN103065657A (en) * | 2012-12-18 | 2013-04-24 | 航天科工深圳（集团）有限公司 | Audio system with small scale integration (SSI) module and working method thereof |
-
2018
- 2018-01-03 CN CN201810004775.4A patent/CN108197051A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201104365Y (en) * | 2007-05-31 | 2008-08-20 | 深圳创维－Rgb电子有限公司 | Microcontroller |
| RU2360282C2 (en) * | 2007-08-31 | 2009-06-27 | Государственное образовательное учреждение высшего профессионального образования Московский государственный институт электронной техники (технический университет) | Programmable serial bus controller |
| CN103065657A (en) * | 2012-12-18 | 2013-04-24 | 航天科工深圳（集团）有限公司 | Audio system with small scale integration (SSI) module and working method thereof |
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Application publication date: 20180622 |
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