CN105743722B - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN105743722B CN105743722B CN201410748297.XA CN201410748297A CN105743722B CN 105743722 B CN105743722 B CN 105743722B CN 201410748297 A CN201410748297 A CN 201410748297A CN 105743722 B CN105743722 B CN 105743722B
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Abstract
The invention provides a data transmission method and a device, which are used for receiving and processing first data transmitted by a lower computer and transmitting second data obtained after processing to an upper computer, and the method comprises the following steps: receiving the first data transmitted by the lower computer; judging whether the currently received first data is equal to the previously received first data; if the currently received first data is equal to the previously received first data, obtaining second data according to the currently received first data and a preset adjustment amount; resetting the adjustment amount; and transmitting the second data to the upper computer. Therefore, the upper computer can adopt each received data, the data reference value is improved, and compared with a method for changing an acquisition mechanism, the method is low in cost and high in practicability.
Description
Technical Field
the invention relates to the field of data acquisition, in particular to a data transmission method and device.
background
at present, when an upper computer collects data of a lower computer, in order to save resources, if the lower computer continuously transmits equal data, the upper computer only collects the first data and does not collect subsequent equal data, for example, under an android input mechanism, when a monitoring system collects data of a register, if the register continuously transmits the same data for many times, the monitoring system only records the first data, and the subsequent data are not collected any more. For a monitoring system, the mechanism can save resources, but the collected data is not real-time, the reference value of the collected data is low, and the mechanism is obviously not suitable for being used in certain situations where each data needs to be collected in real time. If the acquisition mechanism needs to be modified, a large amount of workload is required, and the same acquisition mechanism is commonly used by a plurality of application systems, and if the acquisition mechanism is modified, other application systems which do not need real-time acquisition cause resource waste.
For example, in a data acquisition scenario shown in fig. 1, when an upper computer needs to acquire a value of a variable luxValue in a certain register, a lower computer acquires the value of the luxValue in the register and transmits the acquired value to the upper computer, and if an android input mechanism is applied to the acquisition system, the upper computer does not adopt the value transmitted by the lower computer N +1 times when the lower computer continuously transmits the same luxValue for multiple times, that is, the value transmitted by the lower computer N +1 times is the same as the value transmitted by the nth time. Therefore, if the value of the luxValue collected from the register by the lower computer is continuously the same, the upper computer cannot receive the value of the device register in real time, and therefore the reference value of the collected luxValue is low.
disclosure of Invention
Therefore, the technical problem to be solved by the invention is to improve the reference value of the acquired data and improve the efficiency of data acquisition.
The invention provides a data transmission method, which is used for receiving and processing first data transmitted by a lower computer and transmitting second data obtained after processing to an upper computer, and comprises the following steps: receiving the first data transmitted by the lower computer; judging whether the currently received first data is equal to the previously received first data; if the currently received first data is equal to the previously received first data, obtaining second data according to the currently received first data and a preset adjustment amount; resetting the adjustment amount; and transmitting the second data to the upper computer.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1.
preferably, the adjustment amount includes at least two different values, and the adjustment amounts set in two adjacent times are different.
The invention provides another data transmission method which is used for receiving and processing first data transmitted by a lower computer and transmitting second data obtained after processing to an upper computer, and the method comprises the following steps: receiving the first data transmitted by the lower computer; judging whether the currently received first data is equal to the previously transmitted second data; if the currently received first data is equal to the previously transmitted second data, adjusting the currently received first data to obtain the second data; and transmitting the second data to the upper computer.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1.
preferably, the second data is obtained by calculation according to the currently received first data and a preset adjustment amount.
correspondingly, the invention provides a data transmission device, which is used for receiving and processing first data transmitted by a lower computer and transmitting the processed second data to the upper computer, and the device comprises: a receiving unit, configured to receive the first data transmitted by the lower computer; the judging unit is used for judging whether the currently received first data is equal to the previously received first data or not; the calculation unit is used for obtaining the second data according to the currently received first data and a preset adjustment amount when the currently received first data is equal to the previously received first data; a reset unit for resetting the adjustment amount; and the transmission unit is used for transmitting the second data to the upper computer.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1.
Preferably, the adjustment amount includes at least two different values, and the adjustment amounts set in two adjacent times are different.
The invention provides another data transmission device, which is used for receiving and processing first data transmitted by a lower computer and transmitting second data obtained after processing to the upper computer, and the device comprises: a receiving unit, configured to receive the first data transmitted by the lower computer; the judging unit is used for judging whether the currently received first data is equal to the previously transmitted second data or not; the computing unit is used for adjusting the currently received first data to obtain second data when the currently received first data is equal to the previously transmitted second data; and the transmission unit is used for transmitting the second data to the upper computer.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1.
Preferably, the second data is obtained by calculation according to the currently received first data and a preset adjustment amount.
Compared with the prior art, the data transmission method and the data transmission device provided by the invention have the advantages that the data transmitted from the lower computer to the upper computer is intercepted, the currently received data is compared with the previously received data, the method calculates the adjustment data according to the currently received data for the continuously same data, and then the adjustment data is used for replacing the original data and transmitting the original data to the upper computer, so that the upper computer can adopt each received data, the reference value of the data is improved, and compared with a mode of changing an acquisition mechanism, the method and the device are lower in cost and higher in practicability.
Drawings
in order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of a prior art scenario in which an upper computer collects lower computer data;
Fig. 2 is a flowchart of a data transmission method according to a first embodiment of the present invention;
Fig. 3 is a flowchart of a data transmission method according to a second embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a data transmission device according to a third embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a data transmission device according to a fourth embodiment of the present invention.
Detailed Description
A first embodiment of the present invention provides a data transmission method, configured to receive and process first data transmitted by a lower computer and transmit second data obtained after the processing to the upper computer, as shown in fig. 2, where the method includes:
s21, receiving the first data transmitted by the lower computer; for example, when the upper computer needs to acquire the value of the variable luxValue in a certain register, the lower computer acquires the value of the variable luxValue in the register, which is equivalent to intercepting the value of the variable luxValue directly transmitted to the upper computer by the lower computer.
s22, determining whether the currently received first data is equal to the previously received first data; namely, whether the value of the luxValue transmitted by the lower computer at the N +1 th time is equal to the value of the luxValue transmitted at the Nth time is judged, and the step is S23 when the values are equal to each other, and the step is S26 when the values are not equal to each other.
And S23, obtaining the second data according to the currently received first data and a preset adjustment amount. The adjustment amount may be a preset variable, for example, the adjustment amount is a flag, and the preset flag is 1, and assuming that the N +1 th transmitted luxValue value and the N th transmitted luxValue of the lower computer are both 900, the N +1 th transmitted luxValue and the adjustment amount flag may be added to obtain adjustment data, that is, 900+1 equals 901, and the adjustment data is used as the N +1 th transmitted luxValue, so that the N +1 th transmitted luxValue and the N th transmitted luxValue are no longer equal to each other. It will be appreciated by those skilled in the art that the manner in which the second data is calculated is not limited to additive calculations and that other manners of calculation are possible.
S24, resetting the adjustment amount. If the lower computer is assumed to transmit the same value three times continuously, that is, if the luxValue transmitted by the lower computer N +2 is still 900, if the adjustment amount flag is still 1 at this time, the obtained adjustment data is still 901, then the adjustment data at this time is equal to the luxValue transmitted by the N +1, and the upper computer cannot adopt the value. Therefore, in order to avoid the duplication of the adjustment data due to the use of the same adjustment amount, the adjustment amount must be reset so that the adjustment amounts used in two adjacent times are different, for example, after the adjustment value is calculated using the flag in the (N + 1) th time, the adjustment amount flag may be reset to 2. It should be understood by those skilled in the art that the step of resetting the adjustment amount is not limited to be performed after S23, and it is possible that the step is performed only before the second data is calculated by using the adjustment amount next time.
And S25, transmitting the second data to the upper computer, namely replacing the original data with the generated data, and avoiding the upper computer from continuously receiving two equal data.
s26, if the currently received first data is not equal to the previously received first data, the first data is not adjusted, but is directly transmitted to the upper computer, which is also called as second data in the method, and the content of the second data is the same as the currently received first data. For example, the luxValue values transmitted by the lower computer three times continuously are respectively the first time 900, the second time 900 and the third time 800, according to the steps, the numerical value of the second time is replaced by the adjustment data (for example, 901), but because the third time 800 is not equal to the second time 900, the method directly transmits the original data to the upper computer without modifying the third time data, and finally the data received by the upper computer are 900, 901 and 800.
According to the data transmission method provided by the embodiment of the invention, the lower computer is intercepted to directly transmit data to the upper computer, the currently received data is compared with the previously received data, and for the continuously same data, the method calculates the adjustment data according to the currently received data, and then the adjustment data is used for replacing the original data and transmitting the original data to the upper computer, so that the upper computer can adopt each received data, the data reference value is improved, and the method has lower cost and higher practicability compared with a method for changing an acquisition mechanism.
preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1; more preferably, the ratio of the second data to the currently received first data is greater than 0.95 and less than 1.05; further preferably, a ratio of the second data to the currently received first data is greater than 0.99 and less than 1.01. For the continuously same data transmitted by the lower computer, the difference degree between the processed second data and the currently received first data is within 10%, for example, the adjustment amount flag is set to be much smaller than the luxValue. By adopting the preferred scheme, the modification of the original data transmitted by the lower computer is small, so that the accuracy of the data received by the upper computer is not influenced.
preferably, the adjustment amount includes at least two different values, and the adjustment amounts set in two adjacent times are different. In practical applications, the adjustment amount may be multiple, for example, the adjustment amount for the (N + 1) th time is 1, the adjustment amount for the (N + 2) th time is 2, and the adjustment amount for the (N + 3) th time is 3 … … (N + N) th time is N, and the originally continuously equal data can be changed into the mutually unequal data only by ensuring that the adjustment amounts set for the two adjacent times are different. For example, the luxValue values submitted by the lower computer for four times are all 900, and after the processing by the method, the three data received by the upper computer are 900, 901, 902 and 903 respectively. The reset mode of the adjustment amount may be to calculate the current adjustment amount according to the last adjustment amount, for example, to obtain the value of the current flag for the original flag + 1. The reset method of the adjustment amount has small calculation amount, and can improve the efficiency of the method. It will be appreciated by those skilled in the art that the calculation is not limited to additive calculations and that other calculations are possible.
However, in the case where the number of times of continuously submitting equal values is very large, the adjustment amount set by the method is too large, which may affect the accuracy of the data. For example, the luxValue values submitted by the upper computer for 100 times continuously are all 900, and after the processing by the method, the difference degree between the value submitted by the upper computer for 100 times and the original value may be large, which affects the reference value of the data of the upper computer. Therefore, the method may adopt two adjustment values, for example, the adjustment amount of the N +1 th time is 1, the adjustment amount of the N +2 th time is 2, the adjustment amount of the N +3 th time is 1, and the adjustment amount of the N +4 th time is 2, the two adjustment amounts are alternately used, for example, the luxValue values continuously submitted by the upper computer for multiple times are both 900, and the data continuously received by the upper computer are 901, 902, 901, and 902 … …, respectively. It should be understood by those skilled in the art that the method has strong flexibility, the number of the adjustment amounts can be selected according to actual conditions, and three or even more adjustment amounts can be used alternatively.
For the case of calculating the adjustment data by using an addition or subtraction operation, the adjustment amount may include 0, for example, the luxValue values submitted by the upper computer for a plurality of times continuously are all 900, and the adjustment amounts used continuously may be that the adjustment amount flag for the N +1 th time is 1, the flag for the N +2 th time is 0, the flag for the N +3 th time is 1, and the flag for the N +4 th time is 0 … …, which are alternately used, so that it can be seen that the data continuously received by the upper computer finally are 901, 900, 901, and 900 … …, but the adjustment amount used for the first time cannot be 0, and if the adjustment amount for the first time is 0, it is equivalent to that the original data is not replaced, and the data received by the upper computer is still twice continuously equal. The adjustment amount comprising 0 can further reduce the difference degree between the adjustment data and the original data, and further improve the reference value of the collected data. Those skilled in the art will understand that for the operation of multiplication and division, the adjustment amount may include 1, but the adjustment amount used for the first time cannot be 1.
The second embodiment of the present invention further provides a data transmission method, configured to receive and process first data transmitted by a lower computer and transmit second data obtained after the processing to the upper computer, as shown in fig. 3, where the method includes:
s31, receiving the first data transmitted by the lower computer; for example, when the upper computer needs to collect the value of the variable luxValue in a certain register, the lower computer collects the value of the variable luxValue in the register, which is equivalent to intercepting the lower computer to directly transmit the value of the variable luxValue to the upper computer.
S32, determining whether the currently received first data is equal to the previously transmitted second data. Different from the previous embodiment, the method compares the currently received luxValue with the luxValue which is transmitted to the upper computer after being processed by the method last time, and if the two values are the same, the method goes to S33, and if the two values are different, the method goes to S35.
and S33, adjusting the currently received first data to obtain the second data. Preferably, the second data is calculated according to the currently received first data and a preset adjustment amount, and the method may be the same as the previous embodiment, that is, the adjusted luxValue is calculated by using the current luxValue and the adjustment amount flag, and the method is small in calculation amount and easy to implement.
Unlike the previous embodiment, the adjustment amount used in the present embodiment may be the same each time the replacement value is calculated, i.e., the value of the flag need not be reset each time.
And S34, transmitting the second data to the upper computer.
And S35, transmitting the currently received data to the upper computer, namely transmitting second data to the upper computer, wherein the content of the second data is the same as that of the currently received first data.
According to the data transmission method provided by the embodiment, the data transmitted from the lower computer to the upper computer is intercepted, the current data is compared with the data transmitted last time, and for the same condition, the method calculates the adjustment data according to the current data, and then the adjustment data is used for replacing the original data and transmitting the original data to the upper computer, so that the upper computer can adopt each received data, the data reference value is improved, and compared with a method for changing an acquisition mechanism, the method is low in cost and high in practicability.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1; more preferably, the ratio of the second data to the currently received first data is greater than 0.95 and less than 1.05; further preferably, a ratio of the second data to the currently received first data is greater than 0.99 and less than 1.01. For the continuously same data transmitted by the lower computer, the difference degree between the processed second data and the currently received first data is within 10%, for example, the adjustment amount flag is set to be much smaller than the luxValue. By adopting the preferred scheme, the modification of the original data submitted by the lower computer is small, so that the accuracy of the data received by the upper computer is not influenced.
A third embodiment of the present invention provides a data transmission device, configured to receive and process first data transmitted by a lower computer and transmit second data obtained after the processing to the upper computer, where the device corresponds to the first data transmission method in the foregoing embodiments, and as shown in fig. 4, the device includes:
A receiving unit 41, configured to receive the first data transmitted by the lower computer;
a judging unit 42, configured to judge whether currently received first data is equal to previously received first data;
A calculating unit 43, configured to obtain the second data according to the currently received first data and a preset adjustment amount when the currently received first data is equal to the previously received first data;
A reset unit 44 for resetting the adjustment amount;
A transmission unit 45, configured to transmit the second data to the upper computer.
According to the data transmission device provided by the embodiment of the invention, the data transmitted from the lower computer to the upper computer is intercepted, the current data is compared with the previous data, the device calculates the adjustment data according to the current data for the continuously same data, and then the adjustment data is used for replacing the original data and transmitting the original data to the upper computer, so that the upper computer can adopt each received data, the data reference value is improved, and the device has lower cost and higher practicability compared with a mode of changing an acquisition mechanism.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1; more preferably, the ratio of the second data to the currently received first data is greater than 0.95 and less than 1.05; further preferably, a ratio of the second data to the currently received first data is greater than 0.99 and less than 1.01. For the continuously same data transmitted by the lower computer, the difference degree between the processed second data and the currently received first data is within 10%, for example, the adjustment amount flag is set to be much smaller than the luxValue. By adopting the preferred scheme, the modification of the original data submitted by the lower computer is small, so that the accuracy of the data received by the upper computer is not influenced.
Preferably, the adjustment amount includes at least two different values, and the adjustment amounts set in two adjacent times are different. It should be understood by those skilled in the art that the method has strong flexibility, the number of the adjustment amounts can be selected according to actual conditions, and three or even more adjustment amounts can be used alternatively.
A fourth embodiment of the present invention further provides a data transmission device, configured to receive and process first data transmitted by a lower computer and transmit second data obtained after the processing to the upper computer, where the device corresponds to the second data transmission method in the foregoing embodiment, and as shown in fig. 5, the device includes:
a receiving unit 51, configured to receive the first data transmitted by the lower computer;
A judging unit 52, configured to judge whether currently received first data is equal to second data of a previous transmission;
a calculating unit 53, configured to adjust the currently received first data to obtain second data when the currently received first data is equal to the second data of the previous transmission;
A transmission unit 54, configured to transmit the second data to the upper computer.
According to the data transmission device that this embodiment provided, through intercepting the data that the next computer transmitted to the host computer to comparing current data and the data of last transmission, to the same condition, this device calculates the adjustment data according to current data, then uses the original data transmission of adjustment data replacement to the host computer, makes the host computer can adopt each data received, has improved data reference value, and this device's of mode for the change collection mechanism cost is lower, and the practicality is stronger.
Preferably, a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1; more preferably, the ratio of the second data to the currently received first data is greater than 0.95 and less than 1.05; further preferably, a ratio of the second data to the currently received first data is greater than 0.99 and less than 1.01. For the continuously same data transmitted by the lower computer, the difference degree between the processed second data and the currently received first data is within 10%, for example, the adjustment amount flag is set to be much smaller than the luxValue. By adopting the preferred scheme, the modification of the original data submitted by the lower computer is small, so that the accuracy of the data received by the upper computer is not influenced.
preferably, the second data is obtained by calculation according to the currently received first data and a preset adjustment amount. The device has small calculation amount when calculating by using the method and is easy to realize.
it should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A data transmission method is used for receiving and processing first data transmitted by a lower computer and transmitting second data obtained after processing to the upper computer, and is characterized by comprising the following steps:
Receiving the first data transmitted by the lower computer;
judging whether the currently received first data is equal to the previously received first data;
If the currently received first data is equal to the previously received first data, obtaining second data according to the currently received first data and a preset adjustment amount; wherein a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1;
Resetting the adjustment amount;
And transmitting the second data to the upper computer.
2. the method of claim 1, wherein the adjustment amount comprises at least two different values, and the adjustment amount set in two adjacent times is different.
3. A data transmission method is used for receiving and processing first data transmitted by a lower computer and transmitting second data obtained after processing to the upper computer, and is characterized by comprising the following steps:
Receiving the first data transmitted by the lower computer;
judging whether the currently received first data is equal to the previously transmitted second data;
If the currently received first data is equal to the previously transmitted second data, adjusting the currently received first data to obtain the second data; wherein a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1;
and transmitting the second data to the upper computer.
4. The method of claim 3, wherein the second data is calculated according to the currently received first data and a preset adjustment amount.
5. The utility model provides a data transmission device for receive and handle the first data of lower computer transmission and transmit the second data that obtains after handling to the host computer, its characterized in that, the device includes:
a receiving unit, configured to receive the first data transmitted by the lower computer;
The judging unit is used for judging whether the currently received first data is equal to the previously received first data or not;
The calculation unit is used for obtaining the second data according to the currently received first data and a preset adjustment amount when the currently received first data is equal to the previously received first data; wherein a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1;
a reset unit for resetting the adjustment amount;
And the transmission unit is used for transmitting the second data to the upper computer.
6. The device of claim 5, wherein the adjustment amount comprises at least two different values, and the adjustment amount set in two adjacent times is different.
7. the utility model provides a data transmission device for receive and handle the first data of lower computer transmission and transmit the second data that obtains after handling to the host computer, its characterized in that, the device includes:
a receiving unit, configured to receive the first data transmitted by the lower computer;
The judging unit is used for judging whether the currently received first data is equal to the previously transmitted second data or not;
The computing unit is used for adjusting the currently received first data to obtain second data when the currently received first data is equal to the previously transmitted second data; wherein a ratio of the second data to the currently received first data is greater than 0.9 and less than 1.1;
And the transmission unit is used for transmitting the second data to the upper computer.
8. The apparatus of claim 7, wherein the second data is calculated according to the currently received first data and a preset adjustment amount.
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| CN1942132A (en) * | 2004-04-19 | 2007-04-04 | 奥林巴斯株式会社 | Receiving device |
| 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 |
| US7684343B2 (en) * | 2005-03-18 | 2010-03-23 | Samsung Electronics Co., Ltd | Data transmission method for wireless network |
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| JP6185239B2 (en) * | 2012-12-17 | 2017-08-23 | 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． | Image processing apparatus, 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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