CN105743722A - Data transmission method and device - Google Patents
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- CN105743722A CN105743722A CN201410748297.XA CN201410748297A CN105743722A CN 105743722 A CN105743722 A CN 105743722A CN 201410748297 A CN201410748297 A CN 201410748297A CN 105743722 A CN105743722 A CN 105743722A
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Abstract
The invention provides a data transmission method and device, and the method and device are used for receiving and processing first data transmitted by a lower computer and transmitting processed second data to an upper computer. The method comprises the following steps: receiving first data transmitted by the lower computer; judging whether the currently received first data is equal to the formerly received first data or not; obtaining the second data according to the currently received first data and a preset adjustment amount if the currently received first data is equal to the formerly received first data; resetting the adjustment quantity; and transmitting the second data to the upper computer. Therefore, the upper computer is enabled to employ each piece of received data, thereby improving the reference value of data. Compared with a method of changing a collection mechanism, the method is lower in cost, and is higher in practicality.
Description
Technical field
The present invention relates to data collecting field, in particular it relates to a kind of data transmission method and device.
Background technology
At present, when host computer gathers the data of slave computer, in order to economize on resources, if slave computer continuously transmits equal data, host computer only adopt first data and do not adopt follow-up equal data, for instance under androidinput mechanism, when monitoring the data of system acquisition depositor, if depositor continuously transmits repeatedly identical data, monitoring system only records wherein first data, and follow-up data will no longer be adopted.For monitoring system, this mechanism can economize on resources, but the data of its collection are not real-time, and the data refer that gathers is worth relatively low, and when needing each data of Real-time Collection for some, this mechanism is obviously unsuitable for using.If this collection mechanism to be modified, then need to pay bigger workload, and same collection mechanism is generally shared by multiple application systems, other application systems not needing Real-time Collection can be made to cause the wasting of resources if it is made amendment.
Such as in shown in Fig. 1 a data acquisition scenarios, when host computer needs the value gathering the variable luxValue in a certain depositor, slave computer can gather the luxValue value in depositor and transmit the value collected to host computer, if what this acquisition system was applied is the input mechanism of android, so when slave computer continuously transmits repeatedly identical luxValue value, namely, when the value of the N+1 time transmission is identical with the value that n-th is transmitted, host computer will not adopt the value of the N+1 time transmission of slave computer.So, if the luxValue value that follow-up slave computer gathers from depositor continues identical, host computer just can not will receive the value of device depositor in real time, and the reference value therefore making collected luxValue value is relatively low.
Summary of the invention
For this, the technical problem to be solved is in that to improve the reference value gathering data, improves the efficiency of data collection task.
The present invention provides a kind of data transmission method, and for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, described method includes: receive described first data of described slave computer transmission；Judge that whether currently received first data are equal with the first data of previous reception；If described currently received first data are equal with the first data of described previous reception, obtain described second data according to described currently received first data and default adjustment amount；Reset described adjustment amount；Described second data are transmitted to described host computer.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1.
Preferably, described adjustment amount at least includes two different numerical value, and the adjustment amount of adjacent twice setting is different.
The present invention provides another kind of data transmission method, and for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, described method includes: receive described first data of described slave computer transmission；Judge that whether currently received first data are equal with the second data of previous transmission；If described currently received first data are equal with the second data of described previous transmission, it is adjusted obtaining described second data to described currently received first data；Described second data are transmitted to described host computer.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1.
Preferably, described second data are calculated according to described currently received first data and default adjustment amount.
Correspondingly, the present invention provides a kind of data transmission device, for receiving and process the first data of slave computer transmission and the second data after processing being transferred to host computer, described device includes: receive unit, for receiving described first data of described slave computer transmission；Judging unit, for judging that whether currently received first data are equal with the first data of previous reception；Computing unit, for when described currently received first data are equal with the first data of described previous reception, obtaining described second data according to described currently received first data and default adjustment amount；Reset cell, is used for reseting described adjustment amount；Transmission unit, for transmitting described second data to described host computer.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1.
Preferably, described adjustment amount at least includes two different numerical value, and the adjustment amount of adjacent twice setting is different.
The present invention provides another kind of data transmission device, and for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, described device includes: receive unit, for receiving described first data of described slave computer transmission；Judging unit, for judging that whether currently received first data are equal with the second data of previous transmission；Computing unit, for when described currently received first data are equal with the second data of described previous transmission, being adjusted obtaining described second data to described currently received first data；Transmission unit, for transmitting described second data to described host computer.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1.
Preferably, described second data are calculated according to described currently received first data and default adjustment amount.
Compared with prior art, data transmission method provided by the invention and device, by intercepting the data that slave computer transmits to host computer, and the data of currently received data Yu previous reception are compared, for consecutive identical data, this method calculates adjustment data according to currently received data, then use adjustment data to replace former data to transmit to host computer, make host computer can adopt each data received, improve data refer to be worth, relative to the mode of change collection mechanism, this method less costly, practicality is stronger.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiments of the invention and in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the scene schematic diagram that in prior art, host computer gathers slave computer data；
Fig. 2 is the flow chart of the data transmission method that the first embodiment of the present invention provides；
Fig. 3 is the flow chart of the data transmission method that the second embodiment of the present invention provides；
Fig. 4 is the structural representation of the data transmission device that the third embodiment of the present invention provides；
Fig. 5 is the structural representation of the data transmission device that the fourth embodiment of the present invention provides.
Detailed description of the invention
First embodiment of the invention provides a kind of data transmission method, and for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, the method includes as shown in Figure 2:
S21, receives described first data of described slave computer transmission；Such as when host computer needs the value gathering the variable luxValue in certain depositor, gather the luxValue value in depositor by slave computer, be equivalent to intercept the luxValue value of slave computer position machine directly up transmission.
S22, it is judged that whether currently received first data are equal with the first data of previous reception；Namely judge that whether the luxValue value of the N+1 time transmission of slave computer is equal with the luxValue value that n-th is transmitted, when equal, enter S23, when unequal, then enter S26.
S23, obtains described second data according to described currently received first data and default adjustment amount.This adjustment amount can be a variable set in advance, such as adjustment amount is flag, and preset flag=1, assume that the luxValue value that the luxValue value receiving the N+1 time transmission of slave computer and n-th are transmitted is 900, the luxValue transmitted then can be made the N+1 time to be adjusted data and 900+1=901 plus adjustment amount flag, and using these adjustment data as the N+1 time transmission luxValue, thus the N+1 time transmit luxValue no longer equal with the luxValue value that n-th is transmitted.It will be appreciated by those skilled in the art that the calculation of the second data is not limited to additional calculation, it is also feasible for utilizing other modes to be calculated.
S24, resets described adjustment amount.Assume the value that continuous three transmission of slave computer are same, namely when the luxValue of the N+2 time transmission of slave computer is still 900, if now still utilizing above-mentioned adjustment amount flag=1 process, obtained adjustment data are still then 901, adjustment data so now are equal with the luxValue value of the N+1 time transmission, and host computer will be unable to again adopt.So, in order to avoid using identical adjustment amount to cause adjustment Data duplication, it is therefore necessary to reset adjustment amount so that the adjustment amount that adjacent twice uses differs, such as after the N+1 time uses flag to calculate adjustment numerical value, it is possible to adjustment amount flag is reset to 2.It will be appreciated by those skilled in the art that the step reseting adjustment amount is not only limited to perform after S23, this step only need to once utilize adjustment amount calculating to perform to be all feasible before obtaining the second data upper.
S25, transmits described second data to described host computer, namely utilizes the data of generation to substituted for former data, it is to avoid host computer continuously receives two equal data.
S26, if described currently received first data are unequal with the first data of described previous reception, then these first data are not adjusted, and position machine transmits this data directly up, being the second data also referred to as these data in the method, its content is identical with currently received first data.The luxValue value respectively first time 900 of continuous three transmission of such as slave computer, second time 900, third time 800, according to above-mentioned steps, wherein secondary numerical value can be adjusted data (such as 901) replacement, but owing to the 800 of third time is not equal to secondary 900, directly transmitting former data to host computer so the data of third time are not modified by this method, the data that final host computer receives are 900,901,800.
The data transmission method provided according to embodiments of the present invention, by intercepting slave computer position machine directly up transmission data, and the data of currently received data Yu previous reception are compared, for consecutive identical data, this method calculates adjustment data according to currently received data, then use adjustment data to replace former data to transmit to host computer, make host computer can adopt each data received, improve data refer to be worth, relative to method this method less costly of change collection mechanism, practicality is stronger.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1；It is highly preferred that the ratio of described second data and described currently received first data is more than 0.95 and less than 1.05；It is further preferred that the ratio of described second data and described currently received first data is more than 0.99 and less than 1.01.Consecutive identical data for slave computer transmission, so that the diversity factor between the second data and currently received first data after treatment is within 10%, for instance can be through setting an adjustment amount flag much smaller than luxValue to realize this purpose.By adopting above-mentioned preferred version, the amendment of the former data of slave computer transmission is less, so the accuracy of the data that host computer receives can't be affected.
Preferably, above-mentioned adjustment amount at least includes two different numerical value, and the adjustment amount of adjacent twice setting is different.In practical application, adjustment amount can be multiple, the adjustment amount of such as the N+1 time is 1, the adjustment amount of the N+2 time is 2, the adjustment amount of the N+3 time is 3 ... the adjustment amount of the N+n time is n, only need to ensure that the adjustment amount set by adjacent twice differs and originally equal continuously data can be made to become the data being not mutually equal.The luxValue value that such as slave computer is submitted to for continuous four times is 900, after this method process, and three data that final host computer receives respectively 900,901,902,903.The mode of reseting of above-mentioned adjustment amount can be that adjustment amount set by the last time is calculated obtaining current adjustment amount, for instance former flag+1 obtains the value of current flag.The amount of calculation of the method for reseting of this adjustment amount is less, it is possible to improve the efficiency of this method.It will be appreciated by those skilled in the art that this calculation is not limited to additional calculation, it is also feasible for using other modes to be calculated.
But, during for submitting to equal numerical value number of times very many continuously, the adjustment amount that this method is arranged too much may have influence on the accuracy of data.The luxValue value that such as host computer is submitted to for continuous 100 times is 900, and after this method processes, the numerical value submitted to for the 100th time that host computer receives may be relatively big with the diversity factor of former numerical value, and this will have influence on the reference value of host computer data.So this method can adopt two adjusted values, the adjustment amount of such as the N+1 time is 1, the adjustment amount of the N+2 time is 2, the adjustment amount of the N+3 time is 1, the adjustment amount of the N+4 time is 2, these two adjustment amounts are used alternatingly, the luxValue value that such as host computer continuous several times is submitted to is 900, the data that host computer continuously receives respectively 901,902,901,902 ....It will be appreciated by those skilled in the art that this method has stronger motility, it is possible to select the quantity of adjustment amount according to practical situation, adopt three, even more adjustment amount is used alternatingly also is feasible.
Add for utilizing, subtraction mode calculates the situation adjusting data, described adjustment amount can include 0, the luxValue value that such as host computer continuous several times is submitted to is 900, the adjustment amount used continuously can be the adjustment amount flag=1 of the N+1 time, flag=0 when the N+2 time, the flag=1 of the N+3 time, the flag=0 of the N+4 time ... be used alternatingly, the data that final host computer continuously receives as can be seen here respectively 901, 900, 901, 900 ..., but the adjustment amount used first can not be 0, if adjustment amount is 0 first, it is equivalently employed without former data are replaced, what host computer received is still double equal data.Use the adjustment amount including 0 can reduce the diversity factor adjusting data with initial data further, improve the reference value gathering data further.It will be understood by those skilled in the art that the computing mode for multiplication and division method, adjustment amount can include 1, but the adjustment amount used first can not be 1.
Second embodiment of the invention also provides for a kind of data transmission method, and for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, the method includes as shown in Figure 3:
S31, receives described first data of described slave computer transmission；Such as when host computer needs the value gathering the variable luxValue in a certain depositor, gather the luxValue value in depositor by slave computer, be equivalent to intercept slave computer position machine directly up transmission luxValue value.
S32, it is judged that whether currently received first data are equal with the second data of previous transmission.With previous embodiment the difference is that, this method is that the currently received luxValue value of comparison transmits the luxValue value to host computer with last after this method processes, if the same enter S33, if difference, enter S35.
Described currently received first data are adjusted obtaining described second data by S33.Preferably, described second data are calculated according to described currently received first data and default adjustment amount, which can be identical with previous embodiment, namely current luxValue value is utilized to calculate the luxValue value after being adjusted with adjustment amount flag, which amount of calculation is less, and is easily achieved.
Differing with previous embodiment, it can be identical for calculating the adjustment amount used when replacing numerical value in the present embodiment each time, namely need not all reset the value of flag each time.
S34, transmits described second data to described host computer.
S35, transmits currently received data to host computer, namely transmits the second data to host computer, and its content is identical with currently received first data.
According to the data transmission method that the present embodiment provides, by intercepting the data that slave computer transmits to host computer, and current data and the front data once transmitted are compared, in the case of identical, this method calculates adjustment data according to current data, then use adjustment data to replace former data to transmit to host computer, make host computer can adopt each data received, improve data refer and be worth, relative to the method for change collection mechanism, this method less costly, practicality is stronger.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1；It is highly preferred that the ratio of described second data and described currently received first data is more than 0.95 and less than 1.05；It is further preferred that the ratio of described second data and described currently received first data is more than 0.99 and less than 1.01.Consecutive identical data for slave computer transmission, so that the diversity factor between the second data and currently received first data after treatment is within 10%, for instance can be through setting an adjustment amount flag much smaller than luxValue to realize this purpose.By adopting above-mentioned preferred version, the amendment of the former data that slave computer is submitted to is less, so the accuracy of the data that host computer receives can't be affected.
Third embodiment of the invention provides a kind of data transmission device, for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, this device is corresponding with the first data transmission method in above-described embodiment, and this device includes as described in Figure 4:
Receive unit 41, for receiving described first data of described slave computer transmission；
Judging unit 42, for for judging that whether currently received first data are equal with the first data of previous reception；
Computing unit 43, for when described currently received first data are equal with the first data of described previous reception, obtaining described second data according to described currently received first data and default adjustment amount；
Reset cell 44, is used for reseting described adjustment amount；
Transmission unit 45, for transmitting described second data to described host computer.
The data transmission device provided according to embodiments of the present invention, by intercepting the data that slave computer transmits to host computer, and current data and last data are compared, for consecutive identical data, this device calculates adjustment data according to current data, then uses adjustment data to replace former data and transmits to host computer, make host computer can adopt each data received, improve data refer to be worth, relative to this device of mode less costly of change collection mechanism, practicality is stronger.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1；It is highly preferred that the ratio of described second data and described currently received first data is more than 0.95 and less than 1.05；It is further preferred that the ratio of described second data and described currently received first data is more than 0.99 and less than 1.01.Consecutive identical data for slave computer transmission, so that the diversity factor between the second data and currently received first data after treatment is within 10%, for instance can be through setting an adjustment amount flag much smaller than luxValue to realize this purpose.By adopting above-mentioned preferred version, the amendment of the former data that slave computer is submitted to is less, so the accuracy of the data that host computer receives can't be affected.
Preferably, described adjustment amount at least includes two different numerical value, and the adjustment amount of adjacent twice setting is different.It will be appreciated by those skilled in the art that this method has stronger motility, it is possible to select the quantity of adjustment amount according to practical situation, adopt three, even more adjustment amount is used alternatingly also is feasible.
Fourth embodiment of the invention also provides for a kind of data transmission device, for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, this device is corresponding with the second data transmission method in above-described embodiment, and this device includes as shown in Figure 5:
Receive unit 51, for receiving described first data of described slave computer transmission；
Judging unit 52, for judging that whether currently received first data are equal with the second data of previous transmission；
Computing unit 53, for when described currently received first data are equal with the second data of described previous transmission, being adjusted obtaining described second data to described currently received first data；
Transmission unit 54, for transmitting described second data to described host computer.
According to the data transmission device that the present embodiment provides, by intercepting the data that slave computer transmits to host computer, and current data and the front data once transmitted are compared, when identical, this device calculates adjustment data according to current data, then uses adjustment data to replace former data and transmits to host computer, make host computer can adopt each data received, improve data refer to be worth, relative to this device of mode less costly of change collection mechanism, practicality is stronger.
Preferably, described second data and the ratio of described currently received first data are more than 0.9 and less than 1.1；It is highly preferred that the ratio of described second data and described currently received first data is more than 0.95 and less than 1.05；It is further preferred that the ratio of described second data and described currently received first data is more than 0.99 and less than 1.01.Consecutive identical data for slave computer transmission, so that the diversity factor between the second data and currently received first data after treatment is within 10%, for instance can be through setting an adjustment amount flag much smaller than luxValue to realize this purpose.By adopting above-mentioned preferred version, the amendment of the former data that slave computer is submitted to is less, so the accuracy of the data that host computer receives can't be affected.
Preferably, described second data are calculated according to described currently received first data and default adjustment amount.Amount of calculation when this device utilizes which to be calculated is less, and is easily achieved.
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus extended out or variation are still among the protection domain of the invention.
Claims (12)
1. a data transmission method, for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, it is characterised in that described method includes:
Receive described first data of described slave computer transmission；
Judge that whether currently received first data are equal with the first data of previous reception；
If described currently received first data are equal with the first data of described previous reception, obtain described second data according to described currently received first data and default adjustment amount；
Reset described adjustment amount；
Described second data are transmitted to described host computer.
2. method according to claim 1, it is characterised in that the ratio of described second data and described currently received first data is more than 0.9 and less than 1.1.
3. method according to claim 1 and 2, it is characterised in that described adjustment amount at least includes two different numerical value, and the adjustment amount of adjacent twice setting is different.
4. a data transmission method, for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, it is characterised in that described method includes:
Receive described first data of described slave computer transmission；
Judge that whether currently received first data are equal with the second data of previous transmission；
If described currently received first data are equal with the second data of described previous transmission, it is adjusted obtaining described second data to described currently received first data；
Described second data are transmitted to described host computer.
5. method according to claim 4, it is characterised in that the ratio of described second data and described currently received first data is more than 0.9 and less than 1.1.
6. the method according to claim 4 or 5, it is characterised in that described second data are calculated according to described currently received first data and default adjustment amount.
7. a data transmission device, for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, it is characterised in that described device includes:
Receive unit, for receiving described first data of described slave computer transmission；
Judging unit, for judging that whether currently received first data are equal with the first data of previous reception；
Computing unit, for when described currently received first data are equal with the first data of described previous reception, obtaining described second data according to described currently received first data and default adjustment amount；
Reset cell, is used for reseting described adjustment amount；
Transmission unit, for transmitting described second data to described host computer.
8. device according to claim 7, it is characterised in that the ratio of described second data and described currently received first data is more than 0.9 and less than 1.1.
9. the device according to claim 7 or 8, it is characterised in that described adjustment amount at least includes two different numerical value, and the adjustment amount of adjacent twice setting is different.
10. a data transmission device, for receiving and process the first data of slave computer transmission and the second data obtained after process being transferred to host computer, it is characterised in that described device includes:
Receive unit, for receiving described first data of described slave computer transmission；
Judging unit, for judging that whether currently received first data are equal with the second data of previous transmission；
Computing unit, for when described currently received first data are equal with the second data of described previous transmission, being adjusted obtaining described second data to described currently received first data；
Transmission unit, for transmitting described second data to described host computer.
11. device according to claim 10, it is characterised in that the ratio of described second data and described currently received first data is more than 0.9 and less than 1.1.
12. the device according to claim 10 or 11, it is characterised in that described second data are calculated according to described currently received first data and default adjustment amount.
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| US20140168285A1 (en) * | 2012-12-17 | 2014-06-19 | Samsung Display Co., Ltd. | Image processing device, image processing method and program |
| US9667730B2 (en) * | 2013-03-14 | 2017-05-30 | Comcast Cable Communications, Llc | Systems and methods for abandonment detection and mitigation |
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| CN1942132A (en) * | 2004-04-19 | 2007-04-04 | 奥林巴斯株式会社 | Receiving device |
| US7684343B2 (en) * | 2005-03-18 | 2010-03-23 | Samsung Electronics Co., Ltd | Data transmission method for wireless network |
| CN101599811A (en) * | 2008-06-02 | 2009-12-09 | 华为技术有限公司 | A kind of data processing equipment, communication equipment and data processing method |
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