CN102841874B - Data output method and data output device - Google Patents
Data output method and data output device Download PDFInfo
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- CN102841874B CN102841874B CN201210225918.7A CN201210225918A CN102841874B CN 102841874 B CN102841874 B CN 102841874B CN 201210225918 A CN201210225918 A CN 201210225918A CN 102841874 B CN102841874 B CN 102841874B
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Abstract
The invention discloses a data output method and a data output device. The method comprises following steps of processing current valid data to be stored into a data storage space; acquiring a first group of data as data to be outputted from the data storage device according to transmission bits; determining an optical signal state to be outputted according to the transmission bits, the data to be outputted and the acquired current outputted optical signal state; updating the current outputted optical signal state by utilizing the optical signal state to be outputted, and delaying and presetting duration; judging whether the data in the data storage space is completely outputted or not, otherwise acquiring a next group of data to be used as the data to be outputted from the data storage space, and determining the optical signal state to be outputted; judging whether the data is stopped outputting or not if the data in the data storage space is completely outputted, stopping the output of the data, and otherwise acquiring next valid data to be used as the current valid data to be processed, and continuing the subsequent operation. According to the method, the variation of multiple states is used for expressing the output data of multiple bits, so that the transmission rate is improved.
Description
Technical field
The present invention relates to signal transacting field, particularly relate to a kind of data output method and device.
Background technology
In optical transport, utilize PC screen, mobile phone screen or other luminaire, convert electrical signals to light signal, as PC screen display color when sending numeral " 1 ", " 0 " be " black ", " in vain " realize the transmission of signal, due to the difference of PC speed, " bit wide " is uncontrollable, and this use of just having to has at least 2 photosensitive tubes to design, 1 transmission data, 1 transmitting synchronous head, the method for employing synchronous transmission of namely having to, implements more loaded down with trivial details; And owing to only having a photosensitive tube for transmitting data, transfer rate is slower.
Summary of the invention
The object of the invention is, in order to overcome the deficiencies in the prior art, to provide a kind of data output method and device.
A kind of data output method provided by the invention, comprising:
S1: after the current valid data of acquisition, process described current valid data and be stored in data space, the data in described data space are binary number;
S2: obtain first group of data as the data that will export from described data space according to transmission figure place;
S3: determine the light signal state that will export according to the light signal state of the current output of described transmission figure place, the data that will export and acquisition;
S4: by the light signal state of the described current output of light signal state updating that will export, and time delay preset duration;
S5: judge whether the data in described data space export completely, are perform S6, otherwise from described data space, obtain next group data as the data that will export, return S3;
S6: judge whether to stop exporting, be terminate, otherwise obtain next valid data and as current valid data, return S1.
Wherein, described S1 specifically comprises:
S101: obtain current valid data;
S102: set up described data space, and at the reference position setting data head of described data space;
S103: according to current valid data calculation check code, data bit length is calculated according to current valid data and check code, described data bit length, current valid data, check code are separately converted to binary number, and after sequential storage to the data head in described data space.
Wherein, described S1 specifically comprises:
S111: obtain current valid data;
S112: set up described data space, and at the reference position setting data head of described data space;
S113: according to current valid data calculation check code, current valid data and check code are separately converted to binary number, and after sequential storage to the data head in described data space.
Wherein, described S1 also comprises:
Obtain function code, and after being stored into the data head of described data space after converting it into binary number.
Wherein, comprise between step S1 and step S2: determine described transmission figure place or the number according to the transmission figure place determination light signal state pre-set according to the number of the light signal state pre-set.
Wherein, described S3 specifically comprises:
According to rule change or the preset algorithm of described transmission figure place determination light signal state, determine the light signal state that will export according to the rule change of described light signal state or preset algorithm according to the light signal state of the current output of the data that will export and acquisition.
Wherein, each light signal state correspondence arranges a coding, and described S3 comprises:
S301: obtain the light signal state of current output and the coding of correspondence thereof;
S302: the coding corresponding according to the light signal state of the data that will export and current output calculates, and determines the light signal state that will export corresponding with it according to result of calculation.
Wherein, described transmission figure place is a bit, and the light signal state of output comprises the first state, the second state, the third state, and corresponding coding is respectively 0,1,2; Described S302 is specially: add with the coding that the light signal state of described current output is corresponding and to deduct the described data that will export after 2, and difference is to 3 remainders, and remainder is coding corresponding to the light signal state that will export.
Wherein, described transmission figure place is two bits, and the light signal state of output comprises the first state, the second state, the third state, the 4th state, the 5th state, and corresponding coding is respectively 0,1,2,3,4; Described S302 is specially: add with the coding that the light signal state of described current output is corresponding and to deduct the described data that will export after 4, and difference is to 5 remainders, and remainder is coding corresponding to the light signal state that will export.
Wherein, described S4 comprises: according to the light signal state of the light signal state updating current output corresponding with result of calculation, and time delay preset duration.
Wherein, described transmission figure place is a bit, and the light signal state of output comprises the first state, the second state and the third state, and described S3 comprises:
Obtain the light signal state of current output;
Whether the data that judgement will export are 0, determine the light signal state that will export according to the light signal state of current output according to the first preset rules, otherwise determine the light signal state that will export according to the light signal state of current output according to the second preset rules, described first preset rules is the third state, the second state, the first state, the change of third state sequential loop, and described second preset rules is contrary with the change order of described first preset rules.
Wherein, described first state, the second state and the third state are respectively black, grey, white.
Wherein, described transmission figure place is two bits, and the light signal state of output comprises the first state, the second state, the third state, the 4th state, the 5th state, and described S3 comprises:
S311: the light signal state obtaining current output, according to the data determination step-length that will export, according to the rule change of step-length determination light signal state;
S312: determine the light signal state that will export according to the rule change of described light signal state according to the light signal state of current output.
Wherein, according to the data determination step-length that will export in described S311, according to the rule change of step-length determination light signal state, specifically comprise:
Data as exported are 00, then step-length is 1, and the rule change of described light signal state is: the 5th state, the 4th state, the third state, the second state, the first state, the 5th cycle of states change;
Data as exported are 01, then step-length is 2, and the rule change of described light signal state is: the 5th state becomes the third state, 4th state becomes the second state, the third state becomes the first state, and the second state becomes the 5th state, and the first state becomes the 4th state;
Data as exported are 10, then step-length is 3, and the rule change of described light signal state is: the 5th state becomes the second state, 4th state becomes the first state, the third state becomes the 5th state, and the second state becomes the 4th state, and the first state becomes the third state;
Data as exported are 11, then step-length is 4, and the rule change of described light signal state is: the 5th state, the first state, the second state, the third state, the 4th state, the 5th cycle of states change.
Wherein, described first state, the second state, the third state, the 4th state and the 5th state are respectively black, Dark grey, grey, light gray, white.
Wherein, as current valid data be first valid data and the data that will export be from as described in first group of data obtaining data space, then the light signal state of current output is the original state pre-set.
Wherein, also comprise in S1: timer is resetted, and start timing;
Comprise between described S5 and S6: judge whether the timing of described timer arrives the first Preset Time, is perform step S6, otherwise returns step S2.
Wherein, after described S4 performs, cycle index is added 1 certainly; Comprise between described S5 and S6: judge whether cycle index arrives the first preset value, is, performs step S6, otherwise return step S2.
Wherein, judge whether in described S6 to stop exporting, be specially: judge whether arrival first Preset Time or judge whether cycle index arrives the second preset value after adding 1, is, stop exporting, otherwise obtain next valid data and as current valid data, return S1.
A kind of data output device that the present invention provides again, comprising:
First acquisition module, for obtaining valid data;
Process memory module, for processing the current valid data obtained and be stored in data space, the data in described data space are binary number;
Second acquisition module, for obtaining the data that will export according to transmission figure place from described data space;
First determination module, the light signal state for the current output according to described transmission figure place, the data that will export and acquisition determines the light signal state that will export;
Upgrade output module, for the light signal state with the current output of light signal state updating that will export, and time delay preset duration;
First judge module, for judging whether the data in described data space export completely, is then the second judge module work, otherwise described second acquisition module obtains the next data that will export;
Described second judge module, stopping exporting for judging whether, be terminate, otherwise described first acquisition module obtains next valid data.
Wherein, described process memory module comprises:
Foundation arranges submodule, for setting up described data space, and at the reference position setting data head of described data space;
First calculating sub module, for according to current valid data calculation check code, also for calculating data bit length according to current valid data and described check code;
Transform sub module stored, for current valid data, described check code are separately converted to binary number, and after sequential storage to the data head in described data space; Also for described data bit length is converted into binary number, and sequential storage is to the data head in described data space with between valid data.
Wherein, described process memory module also comprises:
First obtains submodule, for obtaining function code, and after being stored into the data head of described data space after converting it into binary number.
Wherein, described device also comprises the second determination module, for determining described transmission figure place or the number according to the transmission figure place determination light signal state pre-set according to the number of the light signal state pre-set.
Wherein, described first determination module comprises:
First determines submodule, for according to the rule change of described transmission figure place determination light signal state or preset algorithm;
Second determines submodule, and the light signal state for the current output according to the data that will export and acquisition determines the light signal state that will export according to the rule change of described light signal state or preset algorithm.
Wherein, described second determines that submodule comprises:
First acquiring unit, for the coding of the light signal state and correspondence thereof that obtain current output;
Calculate determining unit, calculate for the coding corresponding according to the light signal state of the data that will export and current output, determine the light signal state that will export corresponding with it according to result of calculation.
Wherein, described first determination module comprises:
Second obtains submodule, for obtaining the light signal state of current output;
Judge to determine submodule, for judging whether the data that will export are 0, determine the light signal state that will export according to the light signal state of current output according to the first preset rules, otherwise determine the light signal state that will export according to the light signal state of current output according to the second preset rules, described first preset rules is the third state, the second state, the first state, the change of third state sequential loop, and described second preset rules is contrary with the change order of described first preset rules.
Wherein, described first determination module comprises:
3rd obtains submodule, for obtaining the light signal state of current output;
3rd determines submodule, for according to the data determination step-length that will export, according to the rule change of step-length determination light signal state;
4th determines submodule, for the light signal state determining according to the light signal state of current output to export according to the rule change of described light signal state.
Wherein, described device also comprises timing module, and judging whether arrival first Preset Time for timing, is then described first judge module work, otherwise described second acquisition module obtains the next data that will export.
Wherein, described device also comprises metering module, for upgrade current output at described renewal output module light signal state after, certainly add 1 and judge whether arrival first preset value, be then described first judge module work, otherwise described second acquisition module obtain the next data that will export.
Wherein, described second judge module is specifically for judging whether arrival second Preset Time or judging whether cycle index arrives the second preset value after adding 1.
The present invention compared with prior art, has the following advantages:
Implementation method of the present invention, by introducing an intermediateness between " black ", " in vain " when light signal exports, such as " ash ", and can arrange multistage gray scale, represents the output data of multiple bit with the change of multiple state, improves transfer rate.
Accompanying drawing explanation
The process flow diagram of a kind of data output method that Fig. 1 provides for the embodiment of the present invention one;
The process flow diagram of a kind of data output method that Fig. 2 provides for the embodiment of the present invention two;
The process flow diagram of the another kind of data output method that Fig. 3 and Fig. 4 provides for the embodiment of the present invention three;
The process flow diagram of another data output method that Fig. 5 provides for the embodiment of the present invention four;
The block scheme of a kind of data output device that Fig. 6 provides for the embodiment of the present invention five.
Embodiment
Set forth the present invention for a nearlyer step and subscribe the technological means taked of object and effect for reaching, below in conjunction with accompanying drawing and preferred embodiment, to according to invention propose a kind of data output method and device, its embodiment, feature and effect thereof, illustrates as after.
Embodiment one
The embodiment of the present invention one provides a kind of data output method, as shown in Figure 1, comprising:
S1: after getting current valid data, processes current valid data and is stored in data space, and the data in data space are binary number;
Data in the present embodiment in data space comprise: data head, data bit length, valid data, check code, can also comprise function code; Data bit length and check code are used for the legitimacy of verification msg; Data bit length in the present embodiment can be arranged in advance, then the binary number in data space comprises data head, valid data and check code;
S2: obtain first group of data as the data that will export from data space according to transmission figure place;
Transmission figure place in the present embodiment can be arranged as required, is specifically described for a bit and two bits in the present invention;
S3: determine the light signal state that will export according to the light signal state of the current output of transmission figure place, the data that will export and acquisition;
The number of the light signal state exported in the present embodiment can set according to transmission figure place, is specially: transmit for the truth of a matter result that figure place is index with 2 and add the number of the data after 1 for light signal state; The light signal state exported in the present invention has three (the first state, the second state, the third state are respectively black, grey, white) and five (the first state, the second state, the third state, the 4th state, the 5th state are respectively black, Dark grey, grey, light gray, white) to be described for example; Or determine to transmit figure place according to the number of the light signal state pre-set, be specially: with 2 for the truth of a matter, the difference number of light signal state being subtracted to 1 is taken the logarithm, and result is transmission figure place;
According to the rule change of transmission figure place determination light signal state or preset algorithm in the present embodiment, determine the light signal state that will export according to the rule change of light signal state or preset algorithm according to the light signal state of the current output of the data that will export and acquisition; The light signal state that concrete determination will export can realize by remainder mode or according to the rule change pre-set, and describes in detail in the embodiment of specific implementation process below;
S4: by the light signal state of the current output of light signal state updating that will export, and time delay preset duration;
S5: judge whether the data in data space export completely, are perform S6, otherwise from data space, obtain next group data as the data that will export, return S3;
Also identical data can be exported repeatedly in the present embodiment, be realized by timing or metering, namely comprise between S5 and S6:
When being realized by timing, also comprise in S1: timer is resetted, and start timing; Following steps are performed: judge whether the timing of timer arrives the first Preset Time, is perform step S6, otherwise returns step S2 when S5 is judged as YES;
When being realized by metering, after S4 performs, cycle index is added 1 certainly; Comprise between S5 and S6: judge whether cycle index arrives the first preset value, is, performs step S6, otherwise return step S2;
S6: judge whether to stop exporting, be terminate, otherwise obtain next valid data and as current valid data, return S1;
In the present embodiment, judge whether in S6 to stop exporting, be specially: judge whether arrival second Preset Time or judge whether cycle index arrives the second preset value after adding 1, is, stop exporting, otherwise obtain next valid data and as current valid data, return S1.
In the present embodiment, introduce an intermediateness between black and white when light signal exports, such as grey, multistage gray scale (as Dark grey, grey, light gray) also can be set; Represent the output data of multiple bit with the change of multiple state, improve transfer rate.
Embodiment two
A kind of data output method that the present embodiment two provides, the change between different light signal represents different output data, is that a bit is described, as shown in Figure 2, comprises in the present embodiment to transmit figure place:
Step 101: after getting valid data, sets up data space, and at data space reference position setting data head;
The valid data obtained in the present embodiment are decimal number, and the data head of setting is specially binary number: 111110;
Step 102: according to valid data calculation check code, calculates data bit length according to valid data and check code;
Data bit length in the present embodiment also can calculate according to valid data;
Step 103: data bit length, valid data and check code are separately converted to binary number, and sequential storage is in data space;
Comprised before step 103: obtain function code, and be stored between the data head of data space and data bit length or between data bit length and valid data after converting it into binary number;
In the present embodiment, function code and the data bit length position interchangeable in data space, namely sequence of positions is: i.e. data head, function code, data bit length, valid data, check code or data head, data bit length, function code, valid data, check code;
Function code in the present embodiment is for identifying the function of valid data;
Step 104: obtain the first bit in data space, and using the first bit of acquisition as the data that will export;
Step 105: judge whether the data that will export are 0, are perform step 106, otherwise perform step 111;
Step 106: whether the light signal state judging current output is black, is perform step 107, otherwise perform step 108;
Concrete, in the present embodiment, first valid data and the data that will export are the data obtained from data space first time then needs to arrange the light signal state of an original state as current output in this way; If not being that first valid data exports, then the state that above valid data finally export is the original state that this exports; As above the light signal state of the last output of valid data is black, then, when carrying out the output of next valid data, take black as the original state exported;
Step 107: change the light signal state of output into white, order performs step 116;
Step 108: whether the light signal state judging current output is grey, is perform step 109, otherwise perform step 110;
Step 109: change the light signal state of output into black, order performs step 116;
Step 110: change the light signal state of output into grey, order performs step 116;
Step 111: whether the light signal state judging current output is black, is perform step 112, otherwise perform step 116;
Step 112: change the light signal state of output into grey, order performs step 116;
The color of the light signal state of the output in the present embodiment time delay can show preset duration, concrete time delay display preset duration pre-sets according to display device attribute, when exporting as adopted liquid crystal display, time delay display preset duration is set to 45ms ~ 60ms, preferably 50ms can be set to, employing rate is ensure that when time delay display preset duration is set to 60ms, make receiving equipment can collect the light signal of output in time, when time delay display preset duration is set to 45ms, make the inbound pacing of receiving equipment very fast more reasonable;
As output device be PC time, timer can be adopted to control display delayed preset duration, the opening timing device when changing the light signal state exported, when timer time arrives Preset Time, then PC display stops light signal display, and when timer time does not reach preset duration, then PC device continues light signal display;
Step 113: whether the light signal state judging current output is grey, is perform step 114, otherwise perform step 115;
Step 114: change the light signal state of output into white, order performs step 115;
Step 115: change the light signal state of output into black, order performs step 116;
Step 116: judge whether the binary number in data space exports completely, is perform step 118, otherwise perform step 117;
When same valid data can repeatedly send, realized by timing or cycle index or other modes, when being realized by timing, when step 101 obtains valid data, timer is resetted and starts timing, comprise between step 116 and step 118: judge whether the timing of timer arrives the first Preset Time, is perform step 118, otherwise returns step 104; Timer in the present embodiment realizes by software or hardware, starts or control to open by safety check to reset by programmed control;
When being realized by cycle index, after each light signal state exported changes, counter institute metering number adds 1, comprise between step 116 and step 118: judge whether counter institute metering number arrives the first preset value, is perform step 118, otherwise returns step 104; Cycle index in the present embodiment is counted by counter, and every circulation primary counting once;
Step 117: obtain the next bit binary number in data space, and using the next bit binary number of acquisition as the data that will export, return step 105;
Step 118: judge whether to stop exporting, be terminate, otherwise obtain next valid data, return step 101;
Judge whether in the present embodiment to stop exporting to realize by timer timing or rolling counters forward, realize as adopted timer, first opening timing device is needed to start timing when then performing step 101, step 118 is specially: judge whether the timing of timer arrives the second Preset Time, be that timer reset is also closed, stop exporting, otherwise continue, obtain the next one and want valid data, return step 101; As adopted rolling counters forward, first counter need be opened and clear 0 when then performing step 101, step 118 is specially: judge whether the count value of counter is less than the second preset value, that the count value of counter is from adding 1, obtain the next data that will send, return step 101, otherwise close counter, stop exporting; Or start hour counter unclear 0, when closing counter and stopping exporting first to counter clear 0.
The present embodiment also can adopt more light signal to export, as black, dark-grey, grey, light gray and white five kinds of colors, data as exported are 1, then carry out change according to this order to export, data as exported are 0, then export according to the carrying out change of opposite sequence, specific implementation process with in embodiment two in three the implementation method of color identical, do not repeat them here.
In the present embodiment, the way of output of light signal can be that tertiary colour or pure color export, and when adopting tertiary colour to export, the value of three primary colors (red (R), green (G), blue (B)) is all identical, during as exported white, and R=255, G=255, B=255; During as exported light gray, R=192, G=192, B=192; During as exported grey, R=128, G=128, B=128; During as exported Dark grey, R=64, G=64, B=64; During as output black, R=0, G=0, B=0.Only establish value to wherein a kind of color in three primary colors when adopting pure color to export, the value of other two kinds of colors is 0, the light signal state as exported be redness or peony or black time, R=256 or 128 or 0, G=0, B=0; Export light signal state be green bottle green or black time, G=256 or 128 or 0, R=0, B=0; Export light signal state be blueness mazarine or black time, B=256 or 128 or 0, R=0, G=0.
Output device in the present embodiment can be the equipment of the adjustable colour brightnesses such as LED LCDs, LCD display, Mobile phone screen or luminescent device; The implementation method that light signal exports, by software or hardware controls, in different development platforms, can use different modes to control specific region (as a circle or rectangular area) and export color.The way of output can adopt various ways, as adopted VS2010 development platform, then realizes by calling SolidBrush BlackBrush and drawing function Bit0.FillEllipse; As adopted form web page, then by calling imagecolorallocate function to realize.When being luminescent device (as diode) when output device, realize by controlling output brightness, such as three kinds of states are respectively closedown, open intermediate luminance, open the brightest, when exporting according to this order change, the data then exported are 1, during as exported according to opposite sequence change, then the data exported are 0.The implementation method that in the present embodiment, light signal exports can also adopt other modes, does not repeat them here.
Embodiment three
The present embodiment three provides another kind of data output method, represents different output data by different change in optical signal, and be that two bits are described to transmit figure place in the present embodiment, the data of output comprise function code, as shown in Figure 3 and Figure 4, comprising:
Step 201: after getting valid data, sets up data space, and at data space reference position setting data head;
The valid data obtained in the present embodiment are decimal number, and the data head of setting is specially binary number: 111110;
Step 202: obtain function code, and after being stored into the data head of data space after converting it into binary number;
Function code in the present embodiment is for identifying the function of valid data;
Also can not function code be set in the present embodiment, be specifically described to be provided with function code;
Step 203: according to valid data calculation check code, calculates data bit length according to valid data and check code;
Step 204: data bit length, valid data and check code are separately converted to binary number, and sequential storage is in data space;
In the present embodiment, the form of the binary number stored in data space is specially: data head, function code, data bit length, valid data, check code; The wherein position interchangeable of function code and data bit length;
Step 205: obtain the front two binary number in described data space, and using the front two binary number of acquisition as the data that will export;
Step 206: judge whether the data that will export are 00, are perform step 207, otherwise perform step 216;
Step 207: whether the light signal state judging current output is white, is perform step 208, otherwise performs step 209;
Step 208: change the light signal state of output into light gray, order performs step 245;
Step 209: judge that whether the light signal state of current output is light grey, be perform step 210, otherwise perform step 211;
Step 210: change the light signal state of output into grey, order performs step 245;
Step 211: whether the light signal state judging current output is grey, is perform step 212, otherwise perform step 213;
Step 212: change the light signal state of output into Dark grey, order performs step 245;
Step 213: whether the light signal state judging current output is Dark grey, is perform step 214, otherwise perform step 215;
Step 214: change the light signal state of output into black, order performs step 245;
Step 215: change the light signal state of output into white, order performs step 245;
Step 216: judge whether the data that will export are 01, are perform step 217, otherwise perform step 226;
Step 217: whether the light signal state judging current output is white, is perform step 218, otherwise performs step 219;
Step 218: change the light signal state of output into grey, order performs step 245;
Step 219: judge that whether the light signal state of current output is light grey, be perform step 220, otherwise perform step 221;
Step 220: change the light signal state of output into Dark grey, order performs step 245;
Step 221: whether the light signal state judging current output is grey, is perform step 222, otherwise perform step 223;
Step 222: change the light signal state of output into black, order performs step 245;
Step 223: whether the light signal state judging current output is Dark grey, is perform step 224, otherwise perform step 225;
Step 224: change the light signal state of output into white, order performs step 245;
Step 225: change the light signal state of output into light gray, order performs step 245;
Step 226: judge whether the data that will export are 10, are perform step 227, otherwise perform step 236;
Step 227: whether the light signal state judging current output is white, is perform step 228, otherwise performs step 229;
Step 228: change the light signal state of output into Dark grey, order performs step 245;
Step 229: judge that whether the light signal state of current output is light grey, be perform step 230, otherwise perform step 231;
Step 230: change the light signal state of output into black, order performs step 245;
Step 231: whether the light signal state judging current output is grey, is perform step 232, otherwise perform step 233;
Step 232: change the light signal state of output into white, order performs step 245;
Step 233: whether the light signal state judging current output is Dark grey, is perform step 234, otherwise perform step 235;
Step 234: change the light signal state of output into light gray, order performs step 245;
Step 235: change the light signal state of output into grey, order performs step 245;
Step 236: whether the light signal state judging current output is white, is perform step 237, otherwise performs step 238;
Step 237: change the light signal state of output into black, order performs step 245;
Step 238: judge that whether the light signal state of current output is light grey, be perform step 239, otherwise perform step 240;
Step 239: change the light signal state of output into white, order performs step 245;
Step 240: whether the light signal state judging current output is grey, is perform step 241, otherwise perform step 242;
Step 241: change the light signal state of output into light gray, order performs step 245;
Step 242: whether the light signal state judging current output is Dark grey, is perform step 243, otherwise perform step 244;
Step 243: change the light signal state of output into grey, order performs step 245;
Step 244: change the light signal state of output into Dark grey, order performs step 245;
Step 245: judge whether the binary number in data space exports completely, is perform step 246, otherwise perform step 247;
In the present embodiment, same valid data can repeatedly send, and its implementation can refer to the mode of embodiment two, does not repeat them here;
Step 246: obtain lower two bits in data space, and using lower two bits of acquisition as the data that will export, return step 206;
Step 247: judge whether to stop exporting, be terminate, otherwise obtain next valid data, return step 201;
Judge whether in the present embodiment to stop the method exporting to can refer to the implementation of embodiment two kinds of steps 118, do not repeat them here.
The implementation method that light signal in the present embodiment exports can adopt method described in embodiment two or additive method, does not repeat them here.
Light signal state in the present embodiment can also be more, and comprise the color of different gray scale to realize technical scheme of the present invention, implementation method is identical with embodiment three with embodiment two, does not repeat them here.
Embodiment four
The present embodiment four provides another data output method, and different output optical signal states has different codings, if white color-coded is 2, grey codes is 1, and black is encoded to 0, and transmission figure place is a bit is that example is described, as described in Figure 5, the method for the present embodiment comprises:
Step 401: after getting valid data, sets up data space, and at data space reference position setting data head;
The valid data obtained in the present embodiment are decimal number, and the data head of setting is specially binary number: 111110;
Step 402: according to valid data calculation check code, calculates data bit length according to valid data and check code;
Step 403: data bit length, valid data and check code are separately converted to binary number, and sequential storage is in data space;
Comprise before step 403: obtain function code, and be stored between the data head of data space and data bit length or between data bit length and valid data after converting it into binary number;
In the present embodiment, function code and the data bit length position interchangeable in data space, namely sequence of positions can be: i.e. data head, function code, data bit length, valid data, check code or data head, data bit length, function code, valid data, check code;
Function code in the present embodiment is for identifying the function of valid data;
Step 404: obtain the first bit from data space and it can be used as the data that will export;
Step 405: the coding corresponding according to the light signal state of the data that will export and current output calculates, and detection computations result, as being 2, then perform step 406; As being 1, then perform step 407; As being 0, then perform step 408;
In the present embodiment, as first time exports data, then the light signal state of current output is the light signal state of default initial output, and the light signal state of the initial output in the present embodiment is specially white; Then corresponding according to the light signal state of the data that will export and current output coding calculates, and is specially: the coding that the light signal state of current output is corresponding adds the data deducting after 2 and will export, and difference is to 3 remainders; The light signal state of such as current output is ash, and the data that will export are 1, then result of calculation is 0, then the light signal state exported changes into black;
Step 406: change the light signal state of output into white, order performs step 409;
Step 407: change the light signal state of output into grey, order performs step 409;
Step 408: change the light signal state of output into black, order performs step 409;
Step 409: judge whether the data in data space export completely, are perform step 410, otherwise obtain the next bit binary number in data space, and it can be used as the data that will export, return step 405;
In the present embodiment, same valid data can repeatedly send, and its implementation can refer to the mode of embodiment two, does not repeat them here;
Using the data of a scale-of-two for exporting as one group in the present embodiment;
Step 410: judge whether to stop exporting, be terminate, otherwise obtain next valid data, return step 401;
The implementation of the step 410 in the present embodiment can refer to the mode of embodiment two kinds of steps 118, does not repeat them here.
The light signal state of the output in the present embodiment can be more, can using the front two binary number of data space or more bit as the data that will export in step 404, and it is identical with the present embodiment that it realizes principle, do not repeating; As using front two binary number as the data that will export, the light signal state of output comprises black, Dark grey, grey, light gray and white, and the coding of five kinds of states is respectively 0,1,2,3,4; Then 405 be specially: the coding that the light signal state of current output is corresponding adds the data deducting after 4 and will export, difference is to 5 remainders, the light signal state of output is changed into black as remainder is 0, the light signal state of output is changed into Dark grey as remainder is 1, the light signal state of output is changed into grey as remainder is 2, change the light signal state of output into light gray as remainder is 3, change the light signal state of output into white as remainder is 4;
The light signal way of output in the present embodiment and equipment can adopt method described in embodiment two or additive method, do not repeat them here.
After the light signal state exported at light signal in the embodiment of the present invention changes, all time delay is shown a period of time, facilitate receiving equipment to carry out acquisition process.
Data bit length in the inventive method embodiment also can be arranged in advance, then step 102-103, step 202-204, step 402-403 replace with accordingly: according to current valid data calculation check code, described valid data and check code are separately converted to binary number, and after sequential storage to the data head in described data space.
Embodiment five
The embodiment of the present invention five provides a kind of data output device, and as shown in Figure 6, described device comprises:
First acquisition module 61, for obtaining valid data;
Process memory module 62, for processing the current valid data obtained and be stored in data space, the data in data space are binary number;
The process memory module 62 of the present embodiment comprises:
Foundation arranges submodule, for setting up data space, and at the reference position setting data head of data space;
First calculating sub module, for according to current valid data calculation check code, also for calculating data bit length according to current valid data and check code;
Transform sub module stored, for current valid data, check code are separately converted to binary number, and after sequential storage to the data head in data space; Also for data bit length is converted into binary number, and sequential storage is to the data head in data space with between valid data.
The process memory module 62 of the present embodiment can also comprise the first acquisition submodule, for obtaining function code, and after being stored into the data head of data space after converting it into binary number;
When not having data bit length in data space, the function code in the present embodiment can be stored between data head and valid data; When being provided with data bit length in data space, the function code in the present embodiment can be arranged between data head and data bit length or between data bit length and valid data;
Second acquisition module 63, for obtaining the data that will export according to transmission figure place from data space;
First determination module 64, the light signal state for the current output according to transmission figure place, the data that will export and acquisition determines the light signal state that will export;
The first determination module 64 in the present embodiment has following several implementation;
The first implementation: the first determination module 64 comprises:
First determines submodule, for according to the rule change of transmission figure place determination light signal state or preset algorithm;
Second determines submodule, and the light signal state for the current output according to the data that will export and acquisition determines the light signal state that will export according to the rule change of light signal state or preset algorithm;
Concrete, when the mode by calculating remainder determines the light signal state that will export, second determines that submodule comprises:
First acquiring unit, for the coding of the light signal state and correspondence thereof that obtain current output;
Calculate determining unit, calculate for the coding corresponding according to the light signal state of the data that will export and current output, determine the light signal state that will export corresponding with it according to result of calculation;
Such as: transmission figure place is a bit, and the light signal state of output comprises the first state, the second state, the third state, and corresponding coding is respectively 0,1,2; Calculate determining unit and add the data deducting after 2 and will export specifically for the coding that the light signal state with current output is corresponding, difference is to 3 remainders, and remainder is coding corresponding to the light signal state that will export;
And for example: transmission figure place is two bits, and the light signal state of output comprises the first state, the second state, the third state, the 4th state, the 5th state, and corresponding coding is respectively 0,1,2,3,4; Calculate determining unit and add the data deducting after 4 and will export specifically for the coding that the light signal state with current output is corresponding, difference is to 5 remainders, and remainder is coding corresponding to the light signal state that will export;
When transmission figure place is a bit, when the light signal state of output comprises the first state, the second state, the third state, the first determination module 64 has another kind of implementation, comprising:
Second obtains submodule, for obtaining the light signal state of current output;
Judge to determine submodule, for judging whether the data that will export are 0, determine the light signal state that will export according to the light signal state of current output according to the first preset rules, otherwise determine the light signal state that will export according to the light signal state of current output according to the second preset rules, described first preset rules is the third state, the second state, the first state, the change of third state sequential loop, and described second preset rules is contrary with the change order of described first preset rules.
When transmission figure place is two bits, when the light signal state of output comprises the first state, the second state, the third state, the 4th state, the 5th state, the first determination module 64 has another kind of implementation, comprising:
3rd obtains submodule, for obtaining the light signal state of current output;
3rd determines submodule, for according to the data determination step-length that will export, according to the rule change of step-length determination light signal state;
In the present embodiment, the 3rd determines that submodule specifically comprises according to step-length determination rule change:
Data as exported are 00, then step-length is 1, and the rule change of light signal state is: the 5th state, the 4th state, the third state, the second state, the first state, the 5th cycle of states change;
Data as exported are 01, then step-length is 2, and the rule change of light signal state is: the 5th state becomes the third state, 4th state becomes the second state, the third state becomes the first state, and the second state becomes the 5th state, and the first state becomes the 4th state;
Data as exported are 10, then step-length is 3, and the rule change of light signal state is: the 5th state becomes the second state, 4th state becomes the first state, the third state becomes the 5th state, and the second state becomes the 4th state, and the first state becomes the third state;
Data as exported are 11, then step-length is 4, and the rule change of light signal state is: the 5th state, the first state, the second state, the third state, the 4th state, the 5th cycle of states change;
4th determines submodule, for the light signal state determining according to the light signal state of current output to export according to the rule change of light signal state;
Concrete, in the present embodiment, the data as exported are 10, and the light signal state of current output is the second state, then the light signal state that will export is defined as the 4th state;
Upgrade output module 65, for the light signal state with the current output of light signal state updating that will export, and time delay preset duration;
The light signal State-output preset duration of the renewal output module 65 in the present embodiment, facilitates receiving equipment acquisition process;
First judge module 66, for judging whether the data in data space export completely, are, the second judge module 67 works, otherwise the second acquisition module 63 obtains the data that the next one will export;
Second judge module 67, stopping exporting for judging whether, be terminate, otherwise the first acquisition module 61 obtains next valid data;
In the present embodiment, the second judge module 67 arrives Preset Time specifically for judging whether or judges whether cycle index arrives preset value after adding 1.
The device of the present embodiment also can comprise: the second determination module 68, for determining described transmission figure place or the number according to the transmission figure place determination light signal state pre-set according to the number of the light signal state pre-set.
The device of the present embodiment also can comprise: timing module, for timing and judge whether arrive preset between, be that the first judge module 66 works, otherwise the second acquisition module 63 obtains the data that the next one will export;
Or, also can comprise metering module, for after renewal output module 65 upgrades the light signal state of current output, certainly add 1 and judge whether to arrive preset value, be that the first judge module 66 works, otherwise the second acquisition module 63 obtain the data that the next one will export.
Concrete, in the present embodiment, when the light signal state exported comprises three states, namely the first state, the second state and the third state are respectively black, grey, white; When the light signal state exported comprises five states, namely the first state, the second state, the third state the 4th state and the 5th state are respectively black, Dark grey, grey, light gray, white.
This device, by introducing an intermediateness between " black ", " in vain " when light signal exports, such as " ash ", and can arrange multistage gray scale, represents the output data of multiple bit with the change of multiple state, improves transfer rate.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in technical scope disclosed by the invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (26)
1. a data output method, is characterized in that, comprising:
S1: after getting current valid data, processes described current valid data and is stored in data space, and the data in described data space are binary number, performs S1 ';
S1 ': determine transmission figure place or the number according to the transmission figure place determination light signal state pre-set according to the number of the light signal state pre-set, performs S2;
S2: obtain first group of data as the data that will export from described data space according to described transmission figure place;
S3: according to rule change or the preset algorithm of described transmission figure place determination light signal state, determines the light signal state that will export according to the rule change of described light signal state or preset algorithm according to the light signal state of the current output of the data that will export and acquisition;
S4: by the light signal state of the described current output of light signal state updating that will export, and time delay preset duration;
S5: judge whether the data in described data space export completely, are perform S6, otherwise from described data space, obtain next group data as the data that will export, return S3;
S6: judge whether to stop exporting, be terminate, otherwise obtain next valid data and as current valid data, return S1.
2. the method for claim 1, is characterized in that, described S1 specifically comprises:
S101: obtain current valid data;
S102: set up described data space, and at the reference position setting data head of described data space;
S103: according to current valid data calculation check code, data bit length is calculated according to current valid data and check code, described data bit length, current valid data, check code are separately converted to binary number, and after sequential storage to the data head in described data space.
3. the method for claim 1, is characterized in that, described S1 specifically comprises:
S111: obtain current valid data;
S112: set up described data space, and at the reference position setting data head of described data space;
S113: according to current valid data calculation check code, current valid data and check code are separately converted to binary number, and after sequential storage to the data head in described data space.
4. method as claimed in claim 2 or claim 3, it is characterized in that, described S1 also comprises:
Obtain function code, and after being stored into the data head of described data space after converting it into binary number.
5. the method for claim 1, is characterized in that, each light signal state correspondence arranges a coding, and described S3 comprises:
S301: obtain the light signal state of current output and the coding of correspondence thereof;
S302: the coding corresponding according to the light signal state of the data that will export and current output calculates, and determines the light signal state that will export corresponding with it according to result of calculation.
6. method as claimed in claim 5, it is characterized in that, described transmission figure place is a bit, and the light signal state of output comprises the first state, the second state, the third state, and corresponding coding is respectively 0,1,2; Described S302 is specially: add with the coding that the light signal state of described current output is corresponding and to deduct the described data that will export after 2, and difference is to 3 remainders, and remainder is coding corresponding to the light signal state that will export.
7. method as claimed in claim 5, it is characterized in that, described transmission figure place is two bits, and the light signal state of output comprises the first state, the second state, the third state, the 4th state, the 5th state, and corresponding coding is respectively 0,1,2,3,4; Described S302 is specially: add with the coding that the light signal state of described current output is corresponding and to deduct the described data that will export after 4, and difference is to 5 remainders, and remainder is coding corresponding to the light signal state that will export.
8. method as claimed in claim 5, it is characterized in that, described S4 comprises: according to the light signal state of the light signal state updating current output corresponding with result of calculation, and time delay preset duration.
9. the method for claim 1, is characterized in that, described transmission figure place is a bit, and the light signal state of output comprises the first state, the second state and the third state, and described S3 comprises:
Obtain the light signal state of current output;
Whether the data that judgement will export are 0, determine the light signal state that will export according to the light signal state of current output according to the first preset rules, otherwise determine the light signal state that will export according to the light signal state of current output according to the second preset rules, described first preset rules is the third state, the second state, the first state, the change of third state sequential loop, and described second preset rules is contrary with the change order of described first preset rules.
10. the method as described in claim 6 or 9, is characterized in that, described first state, the second state and the third state are respectively black, grey, white.
11. the method for claim 1, is characterized in that, described transmission figure place is two bits, and the light signal state of output comprises the first state, the second state, the third state, the 4th state, the 5th state, and described S3 comprises:
S311: the light signal state obtaining current output, according to the data determination step-length that will export, according to the rule change of step-length determination light signal state;
S312: determine the light signal state that will export according to the rule change of described light signal state according to the light signal state of the described data that will export and current output.
12. methods as claimed in claim 11, is characterized in that, according to the data determination step-length that will export in described S311, according to the rule change of step-length determination light signal state, specifically comprise:
Data as exported are 00, then step-length is 1, and the rule change of described light signal state is: the 5th state, the 4th state, the third state, the second state, the first state, the 5th cycle of states change;
Data as exported are 01, then step-length is 2, and the rule change of described light signal state is: the 5th state becomes the third state, 4th state becomes the second state, the third state becomes the first state, and the second state becomes the 5th state, and the first state becomes the 4th state;
Data as exported are 10, then step-length is 3, and the rule change of described light signal state is: the 5th state becomes the second state, 4th state becomes the first state, the third state becomes the 5th state, and the second state becomes the 4th state, and the first state becomes the third state;
Data as exported are 11, then step-length is 4, and the rule change of described light signal state is: the 5th state, the first state, the second state, the third state, the 4th state, the 5th cycle of states change.
13. methods as described in claim 7,11 or 12, it is characterized in that, described first state, the second state, the third state, the 4th state and the 5th state are respectively black, Dark grey, grey, light gray, white.
14. the method for claim 1, it is characterized in that, as current valid data be first valid data and the data that will export be from as described in first group of data obtaining data space, then the light signal state of current output is the original state pre-set.
15. the method for claim 1, is characterized in that, also comprise in S1: reset to timer, and start timing;
Comprise between described S5 and S6: judge whether the timing of described timer arrives the first Preset Time, is perform step S6, otherwise returns step S2.
16. the method for claim 1, is characterized in that, after described S4 performs, cycle index are added 1 certainly; Comprise between described S5 and S6: judge whether cycle index arrives the first preset value, is, performs step S6, otherwise return step S2.
17. the method for claim 1, it is characterized in that, judge whether in described S6 to stop exporting, be specially: judge whether arrival first Preset Time or judge whether cycle index arrives the second preset value after adding 1, stop exporting, otherwise obtain next valid data and as current valid data, return S1.
18. 1 kinds of data output devices, is characterized in that, comprising:
First acquisition module, for obtaining valid data;
Process memory module, for processing the current valid data obtained and be stored in data space, the data in described data space are binary number;
Second determination module, for determining transmission figure place or the number according to the transmission figure place determination light signal state pre-set according to the number of the light signal state pre-set;
Second acquisition module, for obtaining the data that will export from described data space according to described transmission figure place;
First determination module, for according to the rule change of described transmission figure place determination light signal state or preset algorithm; Determine the light signal state that will export according to the rule change of described light signal state or preset algorithm according to the light signal state of the current output of the data that will export and acquisition;
Upgrade output module, for the light signal state with the current output of light signal state updating that will export, and time delay preset duration;
First judge module, for judging whether the data in described data space export completely, is then the second judge module work, otherwise described second acquisition module obtains the next data that will export;
Described second judge module, stopping exporting for judging whether, be terminate, otherwise described first acquisition module obtains next valid data.
19. devices as claimed in claim 18, it is characterized in that, described process memory module comprises:
Foundation arranges submodule, for setting up described data space, and at the reference position setting data head of described data space;
First calculating sub module, for according to current valid data calculation check code, also for calculating data bit length according to current valid data and described check code;
Transform sub module stored, for current valid data, described check code are separately converted to binary number, and after sequential storage to the data head in described data space; Also for described data bit length is converted into binary number, and sequential storage is to the data head in described data space with between valid data.
20. devices as claimed in claim 19, it is characterized in that, described process memory module also comprises:
First obtains submodule, for obtaining function code, and after being stored into the data head of described data space after converting it into binary number.
21. devices as claimed in claim 18, is characterized in that, described first determination module comprises first and determines that submodule and second determines submodule;
Described first determines submodule, for according to the rule change of described transmission figure place determination light signal state or preset algorithm;
Described second determines that submodule comprises:
First acquiring unit, for obtaining the light letter of current output
The coding of number state and correspondence thereof;
Calculate determining unit, calculate for the coding corresponding according to the light signal state of the data that will export and current output, determine the light signal state that will export corresponding with it according to result of calculation.
22. devices as claimed in claim 18, it is characterized in that, described first determination module comprises:
Second obtains submodule, for obtaining the light signal state of current output;
Judge to determine submodule, for judging whether the data that will export are 0, determine the light signal state that will export according to the light signal state of current output according to the first preset rules, otherwise determine the light signal state that will export according to the light signal state of current output according to the second preset rules, described first preset rules is the third state, the second state, the first state, the change of third state sequential loop, and described second preset rules is contrary with the change order of described first preset rules.
23. devices as claimed in claim 18, it is characterized in that, described first determination module comprises:
3rd obtains submodule, for obtaining the light signal state of current output;
3rd determines submodule, for according to the data determination step-length that will export, according to the rule change of step-length determination light signal state;
4th determines submodule, for the light signal state determining according to the light signal state of the described data that will export and current output to export according to the rule change of described light signal state.
24. devices as claimed in claim 18, is characterized in that, also comprise timing module, and judging whether arrival first Preset Time for timing, is then described second judge module work, otherwise described second acquisition module obtains the next data that will export.
25. devices as claimed in claim 18, it is characterized in that, also comprise metering module, for upgrade current output at described renewal output module light signal state after, from adding 1 and judging whether arrival first preset value, be then described second judge module work, otherwise described second acquisition module obtain the next data that will export.
26. devices as claimed in claim 18, is characterized in that, described second judge module is specifically for judging whether arrival second Preset Time or judging whether cycle index arrives the second preset value after adding 1.
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| CN101426138A (en) * | 2008-12-05 | 2009-05-06 | 硅谷数模半导体（北京）有限公司 | LCD overdrive frame buffering data compression method and apparatus |
| CN102497265A (en) * | 2011-11-24 | 2012-06-13 | 飞天诚信科技股份有限公司 | Pulse light signal identification method and apparatus thereof |
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| JPH06152617A (en) * | 1990-09-21 | 1994-05-31 | Ncr Internatl Inc | Apparatus for passively decoding of action in fiber wiring data interface network |
| CN101426138A (en) * | 2008-12-05 | 2009-05-06 | 硅谷数模半导体（北京）有限公司 | LCD overdrive frame buffering data compression method and apparatus |
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