CN104714761A - Wireless data printing system and method of equipment with Android system - Google Patents
Wireless data printing system and method of equipment with Android system Download PDFInfo
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- CN104714761A CN104714761A CN201310688101.8A CN201310688101A CN104714761A CN 104714761 A CN104714761 A CN 104714761A CN 201310688101 A CN201310688101 A CN 201310688101A CN 104714761 A CN104714761 A CN 104714761A
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Abstract
The invention relates to a wireless data printing system and method of equipment with an Android system. The system comprises the equipment, a verifying device and a printing device. The verifying device is in wireless connection with the equipment, and is connected with the printing device. The equipment is used for segmenting a file to be printed into a plurality of sequentially-arranged data packets to be printed, sending a data packet which is not sent at present and has the minimum serial number to the verifying device, and judging whether the verifying result received from the verifying device is a wrong data packet or not, if yes, the data packet to be printed is sent to the verifying device again, and otherwise, the next data packet to be printed is sent to the verifying device. The verifying device is used for verifying the received data packets to be printed, sending the verifying result to the equipment and sending the received data packets to be printed to the printing device for printing. Data transmitting errors can be corrected in time, and it is ensured that the file is accurately printed.
Description
Technical field
The present invention relates to the wireless data printing technique field of the equipment of application android system, particularly relate to a kind of wireless data print system and the method for applying the equipment of android system.
Background technology
Android is open source operating system, is mainly used in, on the mobile terminal such as mobile phone, pad product, along with the continuous upgrading of system, obtaining the favorable comment of users.In Android application, wireless data printing is a very new application.The equipment of existing application android system, the file in equipment normally directly prints by being wirelessly transmitted to printer by its wireless data Method of printing.Owing to there is the problems such as interference, signal interruption in wireless transmission process, may there is mistake in the file that printer receives, or imperfect, but prior art does not process the mechanism of this mistake, directly by the file printout of mistake out, puzzlement can be caused to printing person.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of wireless data print system and the method for applying the equipment of android system, and energy correction of data error of transmission in time, guarantees that file printout is correct.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of wireless data print system applying the equipment of android system, and this system comprises: described equipment, calibration equipment and printing equipment; Described calibration equipment and described equipment are by wireless connections, and described calibration equipment is connected with described printing equipment;
Described equipment is used for, and file to be printed is divided into several tactic packets to be printed; The minimum packet to be printed of the current sequence number not yet sent is sent to described calibration equipment, judge whether receipts are misdata bag from the check results of described calibration equipment, again send this packet to be printed to described calibration equipment, otherwise, send next packet to be printed to described calibration equipment;
Described calibration equipment is used for, and verifies, check results is sent to described equipment to the packet described to be printed received; The packet to be printed received is delivered to described printing equipment print.
The invention has the beneficial effects as follows: in the present invention, the equipment of application android system is connected with calibration equipment by wireless, and calibration equipment is connected with printing equipment.File to be printed is divided into some tactic packets to be printed by equipment, each sends a packet to be printed to calibration equipment, and this packet to be printed is that in the current packet to be printed not yet sent, sequence number is minimum, the content only having the check results returned when calibration equipment is not misdata bag, packet to be printed for the next one is just delivered to calibration equipment by equipment, if the content of check results is misdata bag, then equipment resends this packet to be printed, until check results is not misdata bag.Because calibration equipment has had verification scheme, the present invention can correct the packet to be printed of arbitrary mistake in time, and this also just provides a kind of mechanism for correcting errors, avoids wireless transmission error, guarantees that file printout is correct.
On the basis of technique scheme, the present invention can also do following improvement:
Further, described equipment also for, check request is sent to described calibration equipment, and then whether the content judging the verification response received is agree to send packet to be printed, send the minimum packet to be printed of the current sequence number not yet sent to described calibration equipment, otherwise, wait for that the content that described calibration equipment is sent here is agree to send the verification response of packet to be printed;
Described calibration equipment is used for, and according to the described check request received, judges that whether described printing equipment is idle, is, is agree to send the described verification response of packet to be printed to described equipment feedback content; Otherwise being do not agree to send the described verification response of packet to be printed to described equipment feedback content, until described printing equipment is in idle condition, then is agree to send the described verification response of packet to be printed to described equipment feedback content.
Further, described equipment also for, send end signal to described calibration equipment;
Described calibration equipment is used for, and according to the described end signal received, stops verification packet to be printed.
Further, also comprising the memory storage be connected with described calibration equipment, for storing the packet to be printed that described calibration equipment is sent here, and being pressed sequence number order arrangement from small to large;
Described calibration equipment also for, be not that the packet to be printed of misdata bag delivers to described memory storage by check results.
Further, described calibration equipment is connected by bluetooth with described equipment.
In addition, present invention also offers a kind of wireless data Method of printing applying the equipment of android system, the method comprises:
File to be printed is divided into several tactic packets to be printed by described equipment;
Described equipment sends the minimum packet to be printed of the current sequence number not yet sent to calibration equipment;
Described calibration equipment verifies the packet to be printed received, and check results is sent to described equipment;
Described equipment judges whether described check results is misdata bag, is, again sends this packet to be printed to described calibration equipment, otherwise, send next packet to be printed, until send last packet to be printed to described calibration equipment;
The packet to be printed received is delivered to printing equipment and is printed by described calibration equipment.
Further, after file to be printed is divided into several tactic packets to be printed by described equipment, before described equipment sends the minimum packet to be printed of the current sequence number not yet sent to calibration equipment, also comprise:
Described equipment sends check request to described calibration equipment;
Described calibration equipment is according to the described check request received, judge that whether described printing equipment is idle, be be the verification response that agreement sends packet to be printed to described equipment feedback content, respond to the minimum packet to be printed of the current sequence number not yet sent of described calibration equipment transmission by described equipment according to this verification; Otherwise, described calibration equipment is do not agree to send the described verification response of packet to be printed to described equipment feedback content, maintenance waiting status is responded according to this verification by described equipment, until described printing equipment is in idle condition, then responded to the described verification that described equipment feedback content is agreement transmission packet to be printed by described calibration equipment.
Further, after described equipment sends last packet to be printed to described calibration equipment, the packet to be printed received delivered to before printing equipment prints at described calibration equipment, also comprise: described equipment sends end signal to described calibration equipment; Described calibration equipment, according to described end signal, stops verification packet to be printed.
Further, described calibration equipment to the method that the packet to be printed received verifies is: described calibration equipment carries out cyclic redundancy check (CRC) to the packet to be printed received.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the wireless data print system of the equipment of the application android system of the embodiment that the present invention proposes;
Fig. 2 is the process flow diagram of the wireless data Method of printing of the equipment of the application android system of the embodiment that the present invention proposes.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
The present invention proposes a kind of wireless data print system applying the equipment of android system, Fig. 1 is the structural drawing of this system specific embodiment.As shown in Figure 1, this system comprises: equipment 101, calibration equipment 102 and printing equipment 103.Equipment 101 in the present invention is the equipment of application android system, as smart mobile phone, Pad etc.Calibration equipment 102 can realize with CPU, special chip etc., and printing equipment 103 then can realize with printer.
Calibration equipment 102 and equipment 101 are by wireless connections, and this radio connection has multiple implementation, as connected by bluetooth approach, or is connected by infrared mode, or is connected, all within protection scope of the present invention by other wireless modes.Calibration equipment 102 is also connected with printing equipment 103.
Equipment 101 for, file to be printed is divided into several tactic packets to be printed; The minimum packet to be printed of the current sequence number not yet sent is sent to calibration equipment 102, judge whether the check results receiving self checking device 102 is misdata bag, again send this packet to be printed to calibration equipment 102, otherwise, send next packet to be printed to calibration equipment 102;
Calibration equipment 102 for, the packet to be printed received is verified, check results is sent to equipment 101; The packet to be printed received is delivered to printing equipment 103 print.
Here, equipment 101 should according to predefined procedure by Packet Generation to be printed to calibration equipment, thus ensure printing equipment 103 can print according to correct order.A packet to be printed sequence number in the packet to be printed not yet sent at present is minimum, means that this packet to be printed is first packet to be printed of needs transmission at present.
The method that print data bag carries out verifying treated by calibration equipment 102 has a variety of, and such as, can be realized by the method for cyclic redundancy check (CRC), cyclic redundancy check (CRC) is the common error checking and correction mode of one of data communication field, and the present invention does not repeat its principle of work.
These packets to be printed, after receiving all packets to be printed correctly, are delivered to printing equipment 103 and are printed by calibration equipment 102.
As can be seen here, in the present invention, the equipment of application android system is connected with calibration equipment by wireless, and calibration equipment is connected with printing equipment.File to be printed is divided into some tactic packets to be printed by equipment, each sends a packet to be printed to calibration equipment, and this packet to be printed is that in the current packet to be printed not yet sent, sequence number is minimum, the content only having the check results returned when calibration equipment is not misdata bag, packet to be printed for the next one is just delivered to calibration equipment by equipment, if the content of check results is misdata bag, then equipment resends this packet to be printed, until check results is not misdata bag.Because calibration equipment has had verification scheme, the present invention can correct the packet to be printed of arbitrary mistake in time, and this also just provides a kind of mechanism for correcting errors, avoids wireless transmission error, guarantees that file printout is correct.
When printing equipment 103 has more print out task, need the Packet Generation work to be printed of halt device 101, to prevent printing equipment 103 from occurring misprint because work is too busy, this just needs between equipment 101 and calibration equipment 102, arrange a kind of task start mechanism.Therefore, equipment 101 can also be used for, check request is sent to calibration equipment 102, and then whether the content judging the verification response received is agree to send packet to be printed, send the minimum packet to be printed of the current sequence number not yet sent to calibration equipment 102, otherwise, wait for that the content that calibration equipment 102 is sent here is agree to send the verification response of packet to be printed;
Calibration equipment 102 for, according to the check request received, judge that whether printing equipment 103 idle, be, to equipment 101 feedback content be agree to send packet to be printed verification response; Otherwise being do not agree to send the verification response of packet to be printed to equipment 101 feedback content, until printing equipment 103 is in idle condition, then is agree to send the verification response of packet to be printed to equipment 101 feedback content.
Here, equipment 101 is by sending check request to calibration equipment 102, thus the degree that is busy with one's work of printing equipment 103 is judged by calibration equipment 102, and then the transmission work of packet to be printed is started when printing equipment 103 is in idle condition, this effectively prevent the misprint caused because printing equipment 103 is busy with one's work.
In addition, a kind of end mechanism can also be set for the present invention, with the work of halt system at the end of task, prevent the wasting of resources.Like this, equipment 101 can also be used for, and sends end signal to calibration equipment 102; And calibration equipment 102 may be used for, according to the end signal received, stop verification packet to be printed.
Certainly, this terminates mechanism also can be print the signal started, namely calibration equipment 102 is after receiving end signal, not only stops verification packet to be printed, also by all packets to be printed correctly received in order unification deliver to printing equipment 103 and print.
The present invention also comprises the memory storage 104 be connected with calibration equipment 102, the packet to be printed that this memory storage 104 is sent here for storing calibration equipment 102, and is pressed sequence number order arrangement from small to large;
Calibration equipment 102 also for, be not that the packet to be printed of misdata bag delivers to memory storage 104 by check results.
Based on this system, the invention allows for a kind of wireless data Method of printing applying the equipment of android system, Fig. 2 is the process flow diagram of a specific embodiment of the method.As shown in Figure 2, the method comprises:
Step 201: file to be printed is divided into several tactic packets to be printed by equipment.
Partitioning scheme in this step can be split by certain data length (as byte, word etc.).After segmentation, each packet to be printed has a sequence number, and sequence number is less, means its time being transferred to calibration equipment more early.
Step 202: equipment sends the minimum packet to be printed of the current sequence number not yet sent to calibration equipment.
The mode that equipment sends packet to be printed to calibration equipment is wireless mode, such as bluetooth approach, infrared mode and other wireless modes.
Step 203: calibration equipment verifies the packet to be printed received, and check results is sent to equipment.
This step is committed step of the present invention.Check results is misdata bag, means that the transmitting procedure of this packet to be printed goes wrong, causes data transmission fault, thus needs equipment to retransfer correct packet to be printed; Check results is not misdata bag, and mean that this time transmission is correct, equipment can transmit next packet to be printed.Visible, only have check results not to be misdata bag, equipment just can send next packet to be printed, otherwise equipment will resend this packet to be printed, until the check results received is not misdata bag.
In this step, calibration equipment has a variety of to the method that the packet to be printed received verifies, such as, and Ke Yiwei: calibration equipment carries out cyclic redundancy check (CRC) to the packet to be printed received.
Step 204: equipment judges whether check results is misdata bag, is perform step 205, otherwise, perform step 206.
Step 205: equipment sends this packet to be printed to calibration equipment again, returns and performs step 203.
Step 206: equipment judges whether last packet to be printed is sent completely, and is perform step 208, otherwise, perform step 207.
Step 207: equipment sends next packet to be printed to calibration equipment, returns and performs step 203.
Step 208: the packet to be printed received is delivered to printing equipment and printed by calibration equipment.
In this step, printing equipment prints according to its sequencing the packet all to be printed arranged in order, thus obtains content and sequentially all correct print file.
Visible, above-mentioned step 204 can be summarized as to 208: equipment judges whether check results is misdata bag, is, again sends this packet to be printed to calibration equipment, otherwise, next packet to be printed is sent, until send last packet to be printed to calibration equipment; The packet to be printed received is delivered to printing equipment and is printed by calibration equipment.
After file to be printed is divided into several tactic packets to be printed by step 201 equipment, before step 202 equipment sends the minimum packet to be printed of the current sequence number not yet sent to calibration equipment, can also comprise:
Equipment sends check request to calibration equipment;
Calibration equipment is according to the check request received, judge that whether printing equipment is idle, be be the verification response that agreement sends packet to be printed to equipment feedback content, respond to the minimum packet to be printed of the current sequence number not yet sent of calibration equipment transmission by equipment according to this verification; Otherwise, calibration equipment is do not agree to send the verification response of packet to be printed to equipment feedback content, maintenance waiting status is responded according to this verification by equipment, until printing equipment is in idle condition, be agree to that the verification sending packet to be printed responds by calibration equipment to equipment feedback content again, make equipment send the minimum packet to be printed of the sequence number that not yet sends at present according to the requirement of verification response to calibration equipment.
Be yes in the judged result of step 206, namely equipment is to after calibration equipment sends last packet to be printed, the packet to be printed received delivered to before printing equipment prints in step 208 calibration equipment, can also comprise: equipment sends end signal to calibration equipment; Calibration equipment, according to end signal, stops verification packet to be printed.Perform step 208 afterwards.
As can be seen here, the present invention has the following advantages:
(1), in the present invention, the equipment of application android system is connected with calibration equipment by wireless, and calibration equipment is connected with printing equipment.File to be printed is divided into some tactic packets to be printed by equipment, each sends a packet to be printed to calibration equipment, and this packet to be printed is that in the current packet to be printed not yet sent, sequence number is minimum, the content only having the check results returned when calibration equipment is not misdata bag, packet to be printed for the next one is just delivered to calibration equipment by equipment, if the content of check results is misdata bag, then equipment resends this packet to be printed, until check results is not misdata bag.Because calibration equipment has had verification scheme, the present invention can correct the packet to be printed of arbitrary mistake in time, and this also just provides a kind of mechanism for correcting errors, avoids wireless transmission error, guarantees that file printout is correct.
(2) in the present invention, equipment is by sending check request to calibration equipment, thus the degree that is busy with one's work of printing equipment is judged by calibration equipment, and then the transmission work of packet to be printed is started when printing equipment is in idle condition, this effectively prevent the misprint caused because printing equipment is busy with one's work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. apply a wireless data print system for the equipment of android system, it is characterized in that, this system comprises: described equipment, calibration equipment and printing equipment; Described calibration equipment and described equipment are by wireless connections, and described calibration equipment is connected with described printing equipment;
Described equipment is used for, and file to be printed is divided into several tactic packets to be printed; The minimum packet to be printed of the current sequence number not yet sent is sent to described calibration equipment, judge whether receipts are misdata bag from the check results of described calibration equipment, again send this packet to be printed to described calibration equipment, otherwise, send next packet to be printed to described calibration equipment;
Described calibration equipment is used for, and verifies, check results is sent to described equipment to the packet described to be printed received; The packet to be printed received is delivered to described printing equipment print.
2. system according to claim 1, is characterized in that,
Described equipment also for, check request is sent to described calibration equipment, and then whether the content judging the verification response received is agree to send packet to be printed, send the minimum packet to be printed of the current sequence number not yet sent to described calibration equipment, otherwise, wait for that the content that described calibration equipment is sent here is agree to send the verification response of packet to be printed;
Described calibration equipment is used for, and according to the described check request received, judges that whether described printing equipment is idle, is, is agree to send the described verification response of packet to be printed to described equipment feedback content; Otherwise being do not agree to send the described verification response of packet to be printed to described equipment feedback content, until described printing equipment is in idle condition, then is agree to send the described verification response of packet to be printed to described equipment feedback content.
3. system according to claim 1, is characterized in that,
Described equipment also for, send end signal to described calibration equipment;
Described calibration equipment is used for, and according to the described end signal received, stops verification packet to be printed.
4. system according to claim 1, is characterized in that, also comprises the memory storage be connected with described calibration equipment, for storing the packet to be printed that described calibration equipment is sent here, and is pressed sequence number order arrangement from small to large;
Described calibration equipment also for, be not that the packet to be printed of misdata bag delivers to described memory storage by check results.
5. the system according to claim arbitrary in claim 1-4, is characterized in that, described calibration equipment is connected by bluetooth with described equipment.
6. apply a wireless data Method of printing for the equipment of android system, it is characterized in that, the method comprises:
File to be printed is divided into several tactic packets to be printed by described equipment;
Described equipment sends the minimum packet to be printed of the current sequence number not yet sent to calibration equipment;
Described calibration equipment verifies the packet to be printed received, and check results is sent to described equipment;
Described equipment judges whether described check results is misdata bag, is, again sends this packet to be printed to described calibration equipment, otherwise, send next packet to be printed, until send last packet to be printed to described calibration equipment;
The packet to be printed received is delivered to printing equipment and is printed by described calibration equipment.
7. method according to claim 6, it is characterized in that, after file to be printed is divided into several tactic packets to be printed by described equipment, before described equipment sends the minimum packet to be printed of the current sequence number not yet sent to calibration equipment, also comprise:
Described equipment sends check request to described calibration equipment;
Described calibration equipment is according to the described check request received, judge that whether described printing equipment is idle, be be the verification response that agreement sends packet to be printed to described equipment feedback content, respond to the minimum packet to be printed of the current sequence number not yet sent of described calibration equipment transmission by described equipment according to this verification; Otherwise, described calibration equipment is do not agree to send the described verification response of packet to be printed to described equipment feedback content, maintenance waiting status is responded according to this verification by described equipment, until described printing equipment is in idle condition, then responded to the described verification that described equipment feedback content is agreement transmission packet to be printed by described calibration equipment.
8. method according to claim 6, it is characterized in that, after described equipment sends last packet to be printed to described calibration equipment, the packet to be printed received delivered to before printing equipment prints at described calibration equipment, also comprise: described equipment sends end signal to described calibration equipment; Described calibration equipment, according to described end signal, stops verification packet to be printed.
9. the method according to claim arbitrary in claim 6-8, is characterized in that, described calibration equipment to the method that the packet to be printed received verifies is: described calibration equipment carries out cyclic redundancy check (CRC) to the packet to be printed received.
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| CN201310688101.8A CN104714761B (en) | 2013-12-16 | 2013-12-16 | The wireless data print system and method for a kind of equipment using android system |
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| CN201310688101.8A CN104714761B (en) | 2013-12-16 | 2013-12-16 | The wireless data print system and method for a kind of equipment using android system |
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| CN108646990A (en) * | 2018-05-09 | 2018-10-12 | 安徽天斯努信息技术股份有限公司 | A kind of cloud print client management system |
| CN108984136A (en) * | 2018-07-11 | 2018-12-11 | 森大（深圳）技术有限公司 | print data transmission method, device, equipment and storage medium |
| CN110688077A (en) * | 2018-07-07 | 2020-01-14 | 森大（深圳）技术有限公司 | Printing abnormity detection method, device and system |
| CN112445442A (en) * | 2020-11-24 | 2021-03-05 | 上海汉图科技有限公司 | File printing method and device |
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| CN104714761B (en) | 2018-04-10 |
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