CN113805808A - Print data processing method and electronic equipment - Google Patents
Print data processing method and electronic equipment Download PDFInfo
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- CN113805808A CN113805808A CN202111065882.6A CN202111065882A CN113805808A CN 113805808 A CN113805808 A CN 113805808A CN 202111065882 A CN202111065882 A CN 202111065882A CN 113805808 A CN113805808 A CN 113805808A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/062—Securing storage systems
- G06F3/0622—Securing storage systems in relation to access
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a printing data processing method and electronic equipment, wherein the method comprises the following steps: receiving data to be processed, wherein the data to be processed has a certain data length; aligning the data to be processed to obtain at least one line of data to be processed with the length of N bytes; caching the data of the line to be processed to a circular cache space line by line; when the number of lines stored in the circular buffer space is larger than or equal to K, triggering a printer to print; and continuously aligning the data to be processed, and continuously storing the data to be processed into the circular buffer space. The invention processes the data to be processed with certain data length into at least one line of data to be processed with N byte length, caches the data to be processed to the circular cache space line by taking the data to be processed as a unit, sends the data to be processed in the circular cache space to the printer for printing, and continuously performs alignment processing and caching actions while printing, thereby realizing double circulation of data processing, high printing speed and small requirement on memory space.
Description
Technical Field
The invention belongs to the technical field of thermal printers, and particularly relates to a printing data processing method and electronic equipment.
Background
In the thermal printer industry, the common print data processing methods include simultaneous printing and printing, and printing after printing.
The processing mode of printing while sending is that the data to be printed is printed while receiving the data, and the two actions of receiving the data and printing the data are synchronous.
The processing mode of sending first and printing second is that the data is received and processed first and then the printing data is printed out at one time.
In summary, the existing thermal printer has defects in the processing of print data, and an efficient and convenient print data processing method is needed to solve the problem.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a printing data processing method and electronic equipment, which are mainly used for solving the defects of low printing speed, large memory space requirement and the like in the printing data processing of a thermal printer in the prior art.
In order to achieve the above object, in a first aspect, the present invention provides a print data processing method for a thermal printer, comprising the steps of:
receiving data to be processed, wherein the data to be processed has a certain data length;
aligning the data to be processed to obtain at least one line of data to be processed with the length of N bytes;
caching the data of the line to be processed to a circular cache space line by line;
when the number of lines stored in the circular cache space is larger than or equal to K, triggering a printer to print;
and continuously aligning the data to be processed, and continuously storing the data to be processed into the circular buffer space.
In some embodiments, the buffer space size of the circular buffer space is nN, n is more than or equal to 2, and k is more than or equal to 1 and less than or equal to n;
and allocating corresponding processing numbers to each line of to-be-processed line data obtained after the alignment processing, allocating corresponding cache addresses to each line of to-be-processed line data cached to the circular cache space, wherein the processing numbers correspond to the cache addresses one to one, and the total number of the cache addresses corresponds to the n value.
In some embodiments, when the line data to be processed is continuously stored into the circular cache space, if the number of lines stored in the circular cache space is equal to n, the cache address of the line data to be processed of the next cache starts caching from the first address of the circular cache space.
In some embodiments, if the space in the circular buffer space is used up, the storing of the line data to be processed is suspended, and a new buffer space is released.
In some embodiments, the alignment process and caching actions are stopped when there is no new data to be processed.
In some embodiments, the line data to be processed is sent in a first-in-first-out manner in the circular buffer space to a printer, and the printer is configured to acquire the line data to be processed and send the line data to the thermal sensitive sheet for latching and heating.
In some embodiments, before triggering printing of the printer, it is determined whether the printer is in an idle state, and if the printer is in the idle state, the printer is triggered to print.
In some embodiments, after the line data to be processed is sent to the heat sensitive sheet to be latched and heated, the occupied space of the line data to be processed in the circulating buffer space is released.
In some embodiments, printing is stopped when there is no new line of data to be processed in the circular buffer space.
In a second aspect, the present invention also provides an electronic device comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by the processor to implement the print data processing method as described above.
The invention has the beneficial effects that:
therefore, according to the embodiment of the disclosure, the data to be processed with a certain data length is processed into at least one line of data to be processed with N byte lengths, the data to be processed is cached to the circular cache space line by taking the data to be processed as a unit, when the data to be processed is cached to a certain degree, the data to be processed in the circular cache space is sent to the printer for printing, and the alignment processing and the caching action are continuously performed while printing, so that the double-cycle of data processing is realized, the printing speed is high, the requirement on the memory space is low, and the development cost is reduced.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a logic flow diagram of a method for processing print data according to the present invention.
Fig. 2 is a schematic diagram of a print process and a data processing buffer process in a print data processing method according to the present invention.
Fig. 3 is a detailed flow diagram in the data processing caching process in the print data processing method provided by the present invention.
Fig. 4 is a detailed flowchart of a printing process in a print data processing method according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The applicant researches and discovers that:
in the thermal printer industry, the common print data processing methods include simultaneous printing and printing, and printing after printing.
The processing mode of printing while sending is that the data to be printed is printed while receiving the data, and the two actions of receiving the data and printing the data are synchronous.
The processing mode of sending first and printing second is that the data is received and processed first and then the printing data is printed out at one time.
In summary, the existing thermal printer has defects in the processing of print data, and an efficient and convenient print data processing method is needed to solve the problem.
In view of the above, referring to fig. 1 to 4, in a first aspect, the present invention provides a print data processing method for a thermal printer, which has a difference in length of printing a line of contents due to the variety of thermal sheet selections of the thermal printer, in this embodiment, for uniformity, the length of the thermal sheet is set to be a variable 8N, which indicates that a line of contents requires N bytes in length, and 8 indicates that one byte has 8 bits.
More specifically, the print data processing method includes the steps of:
s1, receiving data to be processed, wherein the data to be processed has a certain data length, the data length is specified according to parameters of related instructions, namely the data length can be set manually, and the data length is not necessarily equal to the actual length of the heat-sensitive sheet;
s2, aligning the data to be processed, and truncating and lengthening the data to be processed according to the byte length of one line of data of the thermal sensitive sheet to obtain at least one line of data to be processed with N byte lengths;
s3, caching the data to be processed to a circular cache space line by line;
s4, when the number of lines stored in the circular buffer space is larger than or equal to K, triggering the printer to print;
and S5, continuously aligning the data to be processed and continuously storing the data to be processed into the circular buffer space.
It should be noted that, with reference to fig. 2, after steps S1 and S2, step S5 is executed all the time, a loop is formed, that is, the data to be processed is aligned continuously, and the line data to be processed obtained by processing is stored in the loop buffer space line by line, and the flag bit for starting printing is that when the number of lines stored in the loop buffer space is greater than or equal to K, the printer can start printing, as long as the number of lines is greater than or equal to K is satisfied, the printing process of the printer and the data processing buffer process do not interfere with each other, a double loop is formed, while the processed line data to be processed is buffered in the loop buffer space, a printing instruction is sent to the printer, the printing speed is fast, the requirement on the memory space is small, and the development cost is reduced.
The printing mode for the printer includes, but is not limited to, the following two embodiments:
in one embodiment, when the number of lines stored in the circular buffer space is greater than or equal to K, the data to be processed stored in advance including the K-th line is sent to the printer together for printing, that is, each time printing is performed in units of K lines of data to be processed.
In another embodiment, when the number of lines stored in the circular buffer space is greater than or equal to K, the line data to be processed in the first line is sent to the printer for printing, and the vacant position is replaced by the line data to be processed in the next line, so as to form a line-by-line rolling type printing, that is, each time of printing is performed in units of one line of line data to be processed.
With reference to fig. 3, in this embodiment, the size of the buffer space of the circular buffer space is nN, N is greater than or equal to 2, k is greater than or equal to 1 and less than or equal to N, the size of the circular buffer space is a multiple of N, and N is an integer greater than or equal to 2, the size of N is determined according to the printing speed and the size of the memory that can be allocated, the adopted printing language is an ESC/POS instruction, when data to be processed is buffered in the circular buffer space each time, it is first determined that a line of the circular buffer space needs to be acquired, if there is a free line, the circular buffer space is buffered, and if all the lines are occupied, the line is waited;
distributing a corresponding processing number to each line of to-be-processed line data obtained after the alignment processing is finished, namely cutting a series of long to-be-processed data into a plurality of lines of to-be-processed line data, and numbering each line of to-be-processed line data, wherein each line of to-be-processed line data has a unique corresponding processing number 1, 2 and 3 … …; the data to be processed cached to each line of the circular cache space is distributed with corresponding cache addresses, the processing numbers correspond to the cache addresses one by one, the total number of the cache addresses corresponds to the n value, and the total cache addresses in the circular cache space are limited, but the data to be processed can be very long, so the unique cache addresses can be corresponding to the processing numbers through the processing numbers, but the cache addresses can correspond to a plurality of processing numbers.
As an embodiment, when the line data to be processed is continuously stored into the circular cache space, if the number of lines stored in the circular cache space is equal to n, the cache address of the line data to be processed of the next cache starts caching from the first address of the circular cache space.
For example, the following steps are carried out: assuming that k is 2, n is 4, 10 lines of data to be processed are processed by the data to be processed altogether, when two lines of data to be processed are buffered, printing is started, and data processing buffering is performed at the same time, if the buffering speed is greater than the printing speed, the number of lines stored in the circular buffer space reaches 4 lines soon, at this time, the 7 th line of data to be processed may be buffered, at this time, the 7 th line of data to be processed is buffered at the first address of the circular buffer space, i.e., re-queued, each queue is the highest upper limit of 4 lines, and multiple queues may exist simultaneously.
As an implementation manner, the size of the buffer space limited by the circular buffer space is only nN, if the space in the circular buffer space is used up, the storage of the data to be processed is suspended, and a new buffer space is waited to be released; and when no new data to be processed exists, stopping the alignment processing and the caching action.
The code implementation of the above embodiment is as follows:
in conjunction with fig. 4, as an embodiment, the line data to be processed is sent to the printer in a first-in first-out manner in the circular buffer space, and the printer is configured to acquire the line data to be processed and send the line data to the thermal sensitive sheet for latching and heating, that is, the printer acquires one line of the line data to be processed each time from the circular buffer space, and performs rolling printing line by line.
Furthermore, before triggering the printer to print, whether the printer is in an idle state is judged, if so, the printer is triggered to print, so that the conflict of the data to be processed of different printing tasks is avoided, and the next printing task can be performed after all data processing of one printing task is completed.
More specifically, after the data to be processed is sent to the thermosensitive plate to be latched and heated, the occupied space of the data to be processed in the circulating cache space is released, the processing response efficiency is improved, and the pressure of the memory space is reduced.
And finally, stopping printing when no new line data to be processed exists in the circular buffer space.
The code implementation of the above embodiment is as follows:
in a second aspect, the present invention also provides an electronic device, comprising a processor and a memory, wherein at least one instruction, at least one program, a set of codes, or a set of instructions is stored in the memory, and the at least one instruction, the at least one program, the set of codes, or the set of instructions is loaded and executed by the processor to implement the print data processing method as described above.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. A typical implementation device is a computer, which may take the form of a personal computer, laptop computer, cellular telephone, camera phone, smart phone, personal digital assistant, media player, navigation device, email messaging device, game console, tablet computer, wearable device, or a combination of any of these devices.
In a typical configuration, a computer includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic disk storage, quantum memory, graphene-based storage media or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
Compared with the prior art, the invention provides a printing data processing method and electronic equipment, wherein data to be processed with certain data length is processed into at least one line of data to be processed with N byte length, the data to be processed is cached to a circular cache space line by taking the data to be processed as a unit, when the data to be processed is cached to a certain degree, the data to be processed in the circular cache space is sent to a printer for printing, and alignment processing and caching actions are continuously carried out while printing, so that double circulation of data processing is realized, the printing speed is high, the requirement on the memory space is low, and the development cost is reduced.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only the preferred embodiments of the invention have been described above, and the present invention is not limited to the above-described embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is the main flow steps of the invention, in which other functional steps can be inserted, and the above logic sequence and flow steps can be disturbed, and if the data processing mode is similar to the flow step form or the core concept of data processing is similar, the same should be protected.
Claims (10)
1. A print data processing method for a thermal printer, comprising the steps of:
receiving data to be processed, wherein the data to be processed has a certain data length;
aligning the data to be processed to obtain at least one line of data to be processed with the length of N bytes;
caching the data of the line to be processed to a circular cache space line by line;
when the number of lines stored in the circular cache space is larger than or equal to K, triggering a printer to print;
and continuously aligning the data to be processed, and continuously storing the data to be processed into the circular buffer space.
2. The print data processing method according to claim 1, wherein the buffer space size of the circular buffer space is nN, n ≧ 2, 1 ≦ k ≦ n;
and allocating corresponding processing numbers to each line of to-be-processed line data obtained after the alignment processing, allocating corresponding cache addresses to each line of to-be-processed line data cached to the circular cache space, wherein the processing numbers correspond to the cache addresses one to one, and the total number of the cache addresses corresponds to the n value.
3. The print data processing method according to claim 2, wherein when the line data to be processed is continuously stored in the circular buffer space, if the number of lines stored in the circular buffer space is equal to n, the buffer address of the line data to be processed of the next buffer starts from the first address of the circular buffer space.
4. The print data processing method of claim 3, wherein if the space in the circular buffer space is used up, the storing of the line data to be processed is suspended, and a new buffer space is released.
5. The print data processing method according to claim 4, wherein the alignment processing and the buffering action are stopped when there is no new data to be processed.
6. The print data processing method according to any one of claims 1 to 5, wherein the line data to be processed is sent to a printer in a first-in first-out manner in the circular buffer space, and the printer is configured to acquire the line data to be processed and send the line data to the thermal sheet to latch and heat.
7. The method as claimed in claim 6, wherein before triggering printing by the printer, it is determined whether the printer is in an idle state, and if so, the printer is triggered to print.
8. The print data processing method of claim 7, wherein after the line data to be processed is sent to the thermal sheet to be latched and heated, an occupied space of the line data to be processed in the circular buffer space is released.
9. The print data processing method of claim 8, wherein printing is stopped when there is no new line data to be processed in said circular buffer space.
10. An electronic device comprising a processor and a memory, the memory having stored therein at least one instruction, at least one program, set of codes, or set of instructions, the at least one instruction, at least one program, set of codes, or set of instructions being loaded and executed by the processor to implement the print data processing method according to any one of claims 1 to 9.
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Cited By (1)
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| CN115366545A (en) * | 2022-10-24 | 2022-11-22 | 恒银金融科技股份有限公司 | Character printing method and system for receipt printer |
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| CN113805808B (en) | 2023-06-27 |
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