CN105208312A - MIPI signal generation method and device supporting compression mode - Google Patents
MIPI signal generation method and device supporting compression mode Download PDFInfo
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- CN105208312A CN105208312A CN201510595046.7A CN201510595046A CN105208312A CN 105208312 A CN105208312 A CN 105208312A CN 201510595046 A CN201510595046 A CN 201510595046A CN 105208312 A CN105208312 A CN 105208312A
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Abstract
The invention discloses an MIPI signal generation method and device supporting a compression mode. The method MIPI signal generation method includes the steps that 1, image data and MIPI module configuration parameters are received, RGB image data are extracted and synchronous signals are produced according to the MIPI module configuration parameters; 2, a compression instruction in screen opening information is extracted and sent to an MIPI module; 3, the RGB image data are subjected to compression processing by means of a compression algorithm; 4, the RGB image data subjected to compression processing are packaged and are then converted into MIPI signals to be sent to the MIPI module. The MIPI signal generation device comprises an image data and parameter acquisition module, an instruction processing module, an RGB image compression processing module, an MIPI screen opening instruction sending module and a module for converting the image data into the MIPI signals and sending the MIPI signals. The MIPI signal generation method and the MIPI signal generation device can support conventional MIPI module screen pointing, can also support 4k, 8k or above resolution of MIPI module screen pointing supporting the compression mode and have the advantages of being easy to achieve, low in cost, high in practicability and the like.
Description
Technical field
The present invention relates to liquid crystal module field tests, be specifically related to a kind of the MIPI signal generating method and the device that meet the support compact model of high-resolution MIPI module.
Background technology
Along with the continuous progress of science and technology, the resolution of MIPI module improves rapidly, and the high-resolution that existing market is popularized has 1080p, 2k etc., and the module of 4k resolution is about to universal, also may occur 8k and more high-resolution MIPI module future.Resolution more high request transmission data volume larger, also higher to transmission rate request, for 4k resolution module, the data transmission rates demands 6.25G/S when refresh rate is 60hz, and the transmission rate of MIPI protocol definition every bar LANE is the highest also only has 1G/S, on existing system framework basis, data rate does not meet the requirement of high-resolution module, therefore, need to invent a kind of MIPI signal generating method and the device of supporting compact model, make to meet the requirement of high-resolution module point screen.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of MIPI signal generating method supporting compact model, its special character is, comprises the steps:
1) receive view data and MIPI module configuration parameter from upper interface, from described view data, extract rgb image data according to MIPI module configuration parameter, produce synchronizing signal;
2) extract the condensed instruction of spreading its tail in command information, and integrate with command information of spreading its tail, described command information of spreading its tail is sent to MIPI module with enabling signal of spreading its tail;
3) described rgb image data is carried out compression process according to compression algorithm;
4) rgb image data after described compression process is packaged according to the requirement of MIPI module to compact model, then be converted to MIPI signal and be sent to MIPI module.
Preferably, described step 1) also comprise step a) afterwards:
A) receive from upper interface command information of spreading its tail, determine whether compact model, if compact model, go to step 2), if non-compressed mode, go to step b);
B) command information of transmission being spread its tail is sent to MIPI module with enabling signal of spreading its tail, and goes to step c);
C) described rgb image data is packaged according to non-compressed mode, then be converted to MIPI signal and be sent to MIPI module.The present invention supports that the MIPI signal under compact model and non-compressed mode produces.
Preferably, described step 1) in MIPI module configuration parameter comprise MIPI module resolution value, row crop value, row back porch value, field crop value, field back porch value, row pwm value, field pwm value, MIPI module operational voltage value, MIPI module clock frequency and compact model enable signal, from described view data, extract rgb image data according to MIPI module resolution value.
Preferably, described step 1) in view data comprise bmp form, rgb format, jpeg format, gif form and png form.
Preferably, described step 4) in compression algorithm comprise VESADSC compression algorithm, FBC compression algorithm and synaptics compression algorithm.
Preferably, described synchronizing signal comprises field sync signal, line synchronizing signal and row useful signal, and described synchronizing signal produces according to MIPI module clock frequency, row crop value, row back porch value, field crop value, field back porch value, row pwm value and field pwm value.
A kind of device realizing the MIPI signal generating method of above-mentioned support compact model, its special character is, comprises view data and parameter acquisition module, command process module, RGB image Compression module, MIPI spread its tail instruction sending module and view data turns MIPI signal transmitting module;
Described view data and parameter acquisition module are used for receiving view data and MIPI module configuration parameter from upper interface and being treated to rgb image data, according to compact model or non-compressed mode the rgb image data after process are sent to RGB image Compression module or view data turns MIPI signal transmitting module;
Described command process module is used for receiving from upper interface spreading its tail command information, and will spread its tail according to compact model or non-compressed mode to be sent to MIPI after command information process and to spread its tail instruction sending module;
Described RGB image Compression module is used for that the rgb image data of reception is carried out compression according to compression algorithm and processes, and is sent to view data and turns MIPI signal transmitting module;
Described MIPI instruction sending module of spreading its tail is sent to MIPI module for command information of spreading its tail according to MIPI consensus standard, will be sent signal and deliver to view data and turn MIPI signal transmitting module after being sent;
Described view data turns MIPI signal transmitting module and is sent to MIPI module for being converted to MIPI signal after being packaged by rgb image data according to compact model or non-compressed mode.
The present invention is compared with the usefulness of prior art:
The present invention is applicable to the treatment facility of all support MIPI module point screens, can support that conventional MIPI module point shields, can support that again 4k, 8k and above resolution support the MIPI module point screen of compact model, compression and non-compressed mode can freely switch, be independent of each other, have that easy realization, cost are low, practicality high.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram that the present invention supports the MIPI signal generation apparatus of compact model.
In figure: view data and parameter acquisition module 1, command process module 2, RGB image Compression module 3, MIPI is spread its tail instruction sending module 4, and view data turns MIPI signal transmitting module 5, upper interface 6, MIPI module 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of MIPI signal generation apparatus supporting compact model provided by the present invention, comprises view data and parameter acquisition module 1, command process module 2, RGB image Compression module 3, MIPI spreads its tail instruction sending module 4 and view data turns MIPI signal transmitting module 5.
View data and parameter acquisition module 1 turn MIPI signal transmitting module 5 with upper interface 6, RGB image Compression module 3 and view data respectively and are connected.Command process module 2 instruction sending module 4 of spreading its tail with upper interface 6 and MIPI is respectively connected.RGB image Compression module 3 and MIPI instruction sending module 4 of spreading its tail turns MIPI signal transmitting module 5 respectively and is connected with view data.MIPI instruction sending module 4 of spreading its tail turns MIPI signal transmitting module 5 with view data and is connected with MIPI module 7 respectively.
Rgb image data after process, for receiving view data and MIPI module configuration parameter from upper interface 6 and being treated to rgb image data, is sent to RGB image Compression module 3 according to compact model or non-compressed mode or view data turns MIPI signal transmitting module 5 by view data and parameter acquisition module 1.View data comprises bmp form, rgb format, jpeg format, gif form and png form, is sent to subsequent module after the view data of the bmp form jpeg format of reception, gif form and png form is all converted to the view data of rgb format by view data and parameter acquisition module 1.
Command process module 2 to be spread its tail command information for receiving from upper interface 6, and will spread its tail according to compact model or non-compressed mode to be sent to MIPI after command information process and to spread its tail instruction sending module 4.
RGB image Compression module 3 for the rgb image data of reception is carried out compression process according to compression algorithm, and is sent to view data and turns MIPI signal transmitting module 5.
MIPI instruction sending module 4 of spreading its tail is sent to MIPI module 7 for command information of spreading its tail according to MIPI consensus standard, will be sent signal and deliver to view data and turn MIPI signal transmitting module 5 after being sent.
View data turns MIPI signal transmitting module 5 and is sent to MIPI module 7 for being converted to MIPI signal after being packaged by rgb image data according to compact model or non-compressed mode.
Apparatus of the present invention are utilized to realize supporting that the step of the MIPI signal generating method of compact model is as follows:
1) view data and parameter acquisition module 1 receive view data and MIPI module configuration parameter from upper interface 6, and MIPI module configuration parameter includes but not limited to: MIPI module resolution value, row crop value, row back porch value, field crop value, field back porch value, row pwm value, field pwm value, MIPI module operational voltage value, MIPI module clock frequency and compact model enable signal.View data includes but not limited to bmp form, rgb format, jpeg format, gif form, png form etc.For bmp form, view data and parameter acquisition module 1 extract rgb image data according to module resolution from bmp view data, and the synchronizing signal comprising local rgb image data needs is produced according to the clock frequency of MIPI module, row crop value, row back porch value, field crop value and field back porch value etc., synchronizing signal comprises field sync signal, line synchronizing signal and row useful signal.When spreading its tail command information from upper interface 6 reception, if compact model enable signal is effective, being then compact model, field sync signal, line synchronizing signal, row useful signal and rgb image data being sent into RGB image Compression module 3; If compact model enable signal is invalid, be then non-compressed mode, corresponding signal directly sent into view data and turn MIPI signal transmitting module 5.
2) command process module 2 receives from upper interface 6 command information of spreading its tail, and determines whether compact model, if compact model, goes to step 3), if non-compressed mode, go to step 6).
3) command process module 2 extracts the condensed instruction of spreading its tail in command information, and after integrating together with other non-compressed instruction in command information of spreading its tail, and all spread its tail command information and enabling signal of spreading its tail is sent to MIPI and spreads its tail instruction sending module 4.MIPI spread its tail instruction sending module 4 receive command process module 2 send enabling signal of spreading its tail after start to enter low power consumption transmission pattern, and according to MIPI consensus standard send spread its tail instruction to MIPI module 7.Instruction is sent rear MIPI instruction sending module 4 of spreading its tail and will be sent signal and be sent to view data and turns MIPI signal transmitting module 5.
4) rgb image data is carried out compression process according to compression algorithm by the RGB image Compression module 3 receiving rgb image data.Compression algorithm includes but not limited to: VESADSC compression algorithm, FBC compression algorithm and synaptics compression algorithm.Rgb image data after compression is sent into view data together with field sync signal, line synchronizing signal, row useful signal etc. and is turned MIPI signal transmitting module 5 by RGB image Compression module 3.
5) receive the MIPI instruction of spreading its tail that instruction sending module 4 sends here of spreading its tail be sent signal when view data turns MIPI signal transmitting module 5, view data turns MIPI signal transmitting module 5 and starts to enter high speed transmission mode, converts the rgb image data received to MIPI signal and sends to MIPI module 7.View data turns MIPI signal transmitting module 5 and treats packed data processing mode and require different handling processes according to MIPI module 7.If MIPI module 7 pairs of compact models are not specially specified, convert MIPI signal after then packaging to rgb image data according to non-compressed mode to export, if MIPI module 7 pairs of compact models have specially specify, then convert MIPI signal again to after requiring to package to packed data according to MIPI module 7 and send to MIPI module 7.
6) will spread its tail command information and enabling signal of spreading its tail of command process module 2 is sent to MIPI and spreads its tail instruction sending module 4.MIPI spread its tail instruction sending module 4 receive command process module 2 send enabling signal of spreading its tail after start to enter low power consumption transmission pattern, and according to MIPI consensus standard send spread its tail instruction to MIPI module 7.Instruction is sent rear MIPI instruction sending module 4 of spreading its tail and will be sent signal and be sent to view data and turns MIPI signal transmitting module 5.
7) receive the MIPI instruction of spreading its tail that instruction sending module 4 sends here of spreading its tail be sent signal when view data turns MIPI signal transmitting module 5, view data turns MIPI signal transmitting module 5 and starts to enter high speed transmission mode, the rgb image data received is packaged according to non-compressed mode, then converts MIPI signal to and send to MIPI module 7.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also design some improvement, and these improvement also should be considered as protection scope of the present invention.
The content that this specification is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (7)
1. support a MIPI signal generating method for compact model, it is characterized in that: comprise the steps:
1) receive view data and MIPI module configuration parameter from upper interface (6), from described view data, extract rgb image data according to MIPI module configuration parameter, produce synchronizing signal;
2) extract the condensed instruction of spreading its tail in command information, and integrate with command information of spreading its tail, described command information of spreading its tail is sent to MIPI module (7) with enabling signal of spreading its tail;
3) described rgb image data is carried out compression process according to compression algorithm;
4) rgb image data after described compression process is packaged according to MIPI module (7) requirement to compact model, then be converted to MIPI signal and be sent to MIPI module (7).
2. the MIPI signal generating method of support compact model according to claim 1, is characterized in that: described step 1) also comprise step a) afterwards:
A) receive from upper interface (6) command information of spreading its tail, determine whether compact model, if compact model, go to step 2), if non-compressed mode, go to step b);
B) command information of transmission being spread its tail is sent to MIPI module (7) with enabling signal of spreading its tail, and goes to step c);
C) described rgb image data is packaged according to non-compressed mode, then be converted to MIPI signal and be sent to MIPI module (7).
3. the MIPI signal generating method of support compact model according to claim 1, it is characterized in that: described step 1) in MIPI module configuration parameter comprise MIPI module resolution value, row crop value, row back porch value, field crop value, field back porch value, row pwm value, field pwm value, MIPI module operational voltage value, MIPI module clock frequency and compact model enable signal, from described bmp view data, extract rgb image data according to MIPI module resolution value.
4. the MIPI signal generating method of support compact model according to claim 1, is characterized in that: described step 1) in view data comprise bmp form, rgb format, jpeg format, gif form and png form.
5. the MIPI signal generating method of support compact model according to claim 1, is characterized in that: described step 4) in compression algorithm comprise VESADSC compression algorithm, FBC compression algorithm and synaptics compression algorithm.
6. the MIPI signal generating method of support compact model according to claim 3, it is characterized in that: described synchronizing signal comprises field sync signal, line synchronizing signal and row useful signal, described synchronizing signal produces according to MIPI module clock frequency, row crop value, row back porch value, field crop value, field back porch value, row pwm value and field pwm value.
7. realize a device for the MIPI signal generating method of support compact model according to claim 1, it is characterized in that: comprise view data and parameter acquisition module (1), command process module (2), RGB image Compression module (3), MIPI spread its tail instruction sending module (4) and view data turns MIPI signal transmitting module (5);
Rgb image data after process, for receiving view data and MIPI module configuration parameter from upper interface (6) and being treated to rgb image data, is sent to RGB image Compression module (3) according to compact model or non-compressed mode or view data turns MIPI signal transmitting module (5) by described view data and parameter acquisition module (1);
Described command process module (2) to be spread its tail command information for receiving from upper interface (6), and will spread its tail according to compact model or non-compressed mode to be sent to MIPI after command information process and to spread its tail instruction sending module (4);
Described RGB image Compression module (3) for the rgb image data of reception is carried out compression process according to compression algorithm, and is sent to view data and turns MIPI signal transmitting module (5);
Described MIPI instruction sending module (4) of spreading its tail is sent to MIPI module (7) for command information of spreading its tail according to MIPI consensus standard, will be sent signal and deliver to view data and turn MIPI signal transmitting module (5) after being sent;
Described view data turns MIPI signal transmitting module (5) and is sent to MIPI module (7) for being converted to MIPI signal after being packaged by rgb image data according to compact model or non-compressed mode.
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