CN113805808B - Print data processing method and electronic equipment - Google Patents
Print data processing method and electronic equipment Download PDFInfo
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- CN113805808B CN113805808B CN202111065882.6A CN202111065882A CN113805808B CN 113805808 B CN113805808 B CN 113805808B CN 202111065882 A CN202111065882 A CN 202111065882A CN 113805808 B CN113805808 B CN 113805808B
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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 print 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; carrying out alignment processing on data to be processed to obtain at least one row of data of the line to be processed, which has the length of N bytes; caching the data to be processed into a circular cache space line by line; triggering the printer to print when the number of lines stored in the circulating cache space is greater than or equal to K; and continuously carrying out alignment processing on the data to be processed, and continuously storing the line data to be processed into a circular cache space. The invention processes the data to be processed with a certain data length into at least one row of data with N bytes, caches the data to be processed into 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, having high printing speed and small requirement on the memory space.
Description
Technical Field
The invention belongs to the technical field of thermal printers, and particularly relates to a print data processing method and electronic equipment.
Background
In the thermal printer industry, the usual print data processing methods include simultaneous printing and subsequent printing.
The processing mode of transmitting while printing is to print the data to be printed out while receiving the data processing, and the two actions of receiving the data and printing the data are synchronous.
The processing mode of first sending and then beating is to print the printing data once after the data is received and processed, which has the advantages of fast printing speed, slow response time and larger needed memory space.
In summary, the thermal printer has drawbacks in processing print data, and an efficient and convenient print data processing method is needed to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects of 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 of a thermal printer in the prior art in printing data processing.
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;
carrying out alignment processing on the data to be processed to obtain at least one row of data of the data to be processed, wherein the data of the data to be processed has the length of N bytes;
caching the data to be processed into a circular cache space line by line;
triggering a printer to print when the number of lines stored in the circulating cache space is greater than or equal to K;
and continuously performing alignment processing on the data to be processed, and continuously storing the line data to be processed into the circular cache space.
In some embodiments, the size of the buffer space 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 distributing corresponding processing numbers to each row of data to be processed obtained after the alignment processing is completed, caching the data to be processed of each row of data to be processed in the circulating cache space, distributing corresponding cache addresses to each row of data to be processed, wherein the processing numbers correspond to the cache addresses one by 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 in the circular cache space, if the line number 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 to be cached from the first address of the circular cache space.
In some embodiments, if the space in the circular buffer space is occupied, the storing of the line data to be processed is suspended, and a new buffer space is waited to be 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 configured to acquire the line data to be processed and send to the thermal pad for latching and heating.
In some embodiments, before triggering the printer to print, it is determined whether the printer is in an idle state, and if so, the printer is triggered to print.
In some embodiments, after the line data to be processed is sent to the thermal pad for latching and heating, the space occupied by the line data to be processed in the circular buffer space is released.
In some embodiments, printing is stopped after there is no new pending line data in the circular buffer space.
In a second aspect, the present invention also provides an electronic device, including a processor and a memory, where the memory stores at least one instruction, at least one program, a code set, or an instruction set, and the at least one instruction, the at least one program, the code set, or the instruction set is loaded and executed by the processor to implement a 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 row of data to be processed with a length of N bytes, the data to be processed is cached to the circular cache space line by line in units of the data to be processed, when the data to be processed in the circular cache space is cached to a certain extent, the data to be processed in the circular cache space is sent to the printer for printing, and the alignment processing and the caching actions are continuously performed while the printing is performed, so that the double circulation of data processing is realized, the printing speed is high, the requirement on the memory space is small, and the development cost is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a logic flow diagram of a print data processing method according to the present invention.
Fig. 2 is a schematic diagram of a dual cycle of a printing process and a data processing buffering process in a print data processing method according to the present invention.
Fig. 3 is a detailed flowchart of a data processing buffering process in the print data processing method according to the present invention.
Fig. 4 is a detailed flowchart of a printing process in the print data processing method according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific 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.
Applicants' studies found that:
in the thermal printer industry, the usual print data processing methods include simultaneous printing and subsequent printing.
The processing mode of transmitting while printing is to print the data to be printed out while receiving the data processing, and the two actions of receiving the data and printing the data are synchronous.
The processing mode of first sending and then beating is to print the printing data once after the data is received and processed, which has the advantages of fast printing speed, slow response time and larger needed memory space.
In summary, the thermal printer has drawbacks in processing print data, and an efficient and convenient print data processing method is needed to solve the problems.
In view of this, referring to fig. 1 to 4, in a first aspect, the present invention provides a print data processing method for a thermal printer, in which the length of printing one line of content varies due to the variety of thermal printer selections for the thermal print, in this embodiment, the length of the thermal print is set to be a variable 8N for unification, N bytes length is required for one line of content, and 8 represents 8 bits for one byte.
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 can be set manually according to the parameter specification of a related instruction, and the data length is not necessarily equal to the actual length of the thermosensitive sheet;
s2, aligning the data to be processed, truncating and supplementing the data to be processed according to the byte length of one line of data of the thermosensitive sheet to obtain at least one line of data to be processed with N byte lengths, wherein the data to be processed can have a plurality of lines according to the data length of the data to be processed, except that the last line possibly does not meet the N byte lengths, and the data to be processed of the other lines all have the N byte lengths;
s3, caching line data to be processed line by line into a circular cache space;
s4, triggering the printer to print when the number of lines stored in the circulating buffer space is greater than or equal to K;
s5, alignment processing is continuously carried out on the data to be processed, and the line data to be processed is continuously stored in the circular cache space.
It should be noted that, referring to fig. 2, after steps S1 and S2 are performed, step S5 is performed all the time to form a loop, that is, alignment processing is continuously performed on the data to be processed, the processed data to be processed 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, and as long as the number of lines is greater than or equal to K, the printing process of the printer and the data processing buffer process are not interfered with each other, so as to form a double loop, and the printing instruction is sent to the printer while the processed data to be processed is buffered in the loop buffer space, so that the printing speed is fast, the requirement on the memory space is small, and the development cost is reduced.
Printing modes for printers include, but are not limited to, the following two embodiments:
when the number of lines stored in the circular buffer space is greater than or equal to K, the first stored line to be processed including the K line is sent to the printer for printing, namely, each printing is performed by taking the data of the K line to be processed as a unit.
As another implementation mode, 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, the empty position is replaced by the line data to be processed in the next line, and a line-by-line rolling type printing is formed, namely, each printing is performed by taking the line data to be processed as a unit.
Referring to fig. 3, in this embodiment, the size of the cyclic buffer space is nN, N is greater than or equal to 2,1 is greater than or equal to k is greater than or equal to N, the size of the cyclic buffer space is a multiple of N, 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, and when the line data to be processed is buffered in the cyclic buffer space, it is required to determine to acquire a line of cyclic buffer space first, if the cyclic buffer space is free, the cyclic buffer space is buffered, and if the cyclic buffer space is full, the cyclic buffer space waits;
each row of data to be processed obtained after the alignment processing is completed is allocated with a corresponding processing number, which is equivalent to cutting a string of long data to be processed into a plurality of rows of data to be processed, numbering is carried out on each row of data to be processed, and each row of data to be processed has a unique corresponding processing number, namely 1, 2 and 3 … …; the data of each line to be processed, which is cached to the circular cache space, is allocated with corresponding cache addresses, the processing numbers are in one-to-one correspondence with the cache addresses, the total number of the cache addresses is corresponding to the n value, and the unique cache addresses can be corresponding to the processing numbers through the processing numbers because the total cache addresses in the circular cache space are limited and the data to be processed can be long.
As an embodiment, when the line data to be processed is continuously stored in the circular buffer space, if the line number 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 to be buffered from the first address of the circular buffer space.
Illustrating: assuming that k=2 and n=4, the data to be processed processes 10 lines of data to be processed together, when the data to be processed is buffered to two lines of data to be processed, printing is started, meanwhile, data processing buffering is performed, if the buffering speed is higher than the printing speed, the number of lines stored in the fast circulation buffer space reaches 4 lines, 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 circulation buffer space, namely, a queue is rearranged, each queue is the highest upper limit of 4 lines, and a plurality of queues can exist at the same time.
As an implementation mode, the size of the buffer space limited by the cyclic buffer space is only nN, if the space in the cyclic buffer space is occupied, the storage of the line data to be processed is suspended, and the new buffer space is released; and stopping the alignment processing and the caching action when no new data to be processed exists.
The code implementation of the above embodiment is as follows:
referring to 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 circulation buffer space, and the printer is configured to acquire the line data to be processed and send the line data to the thermal pad for latching and heating, that is, the printer acquires the line data to be processed from the circulation buffer space every time and performs rolling printing line by line.
Furthermore, before triggering the printer to print, judging whether the printer is in an idle state, if so, triggering the printer to print, so as to avoid conflict of data to be processed of different print tasks, and completing all data processing of one print task before the next print task.
More specifically, after the line data to be processed is sent to the thermal sensitive plate for latching and heating, the occupied space of the line 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.
Finally, when no new line data to be processed exists in the circular buffer space, the printing is stopped.
The code implementation of the above embodiment is as follows:
in a second aspect, the present invention also provides an electronic device, including a processor and a memory, where the memory stores at least one instruction, at least one program, a code set, or an instruction set, and the at least one instruction, the at least one program, the code set, or the instruction set is loaded and executed by the processor to implement a print data processing method as described above.
The system, apparatus, module or unit set forth in the above embodiments may be implemented in particular by a computer chip or entity, or by a product having a certain function. A typical implementation device is a computer, which may be in the form of a personal computer, laptop computer, cellular telephone, camera phone, smart phone, personal digital assistant, media player, navigation device, email 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 volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
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 storage media for a computer 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, read only 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 or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by the computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
Compared with the prior art, the invention provides a printing data processing method and electronic equipment, which process data to be processed with a certain data length into at least one row of data with a data length of N bytes, buffer the data to a circular buffer space line by taking the data of the data to be processed as a unit, send the data to be processed in the circular buffer space to a printer for printing when buffering to a certain extent, continuously perform alignment processing and buffer action while printing, realize double circulation of data processing, have high printing speed, small requirement on a memory space and reduce development cost.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but is merely preferred embodiments of the invention, and any modifications, equivalents, improvements, etc. within the spirit and principles of the invention are intended to be included within the scope of the invention.
The above description is a main flow step of the invention, in which other functional steps may be inserted, and the logic sequence and the flow steps may be disordered, if the data processing manner is similar to the processing manner of the flow step or the core idea of the data processing is similar, the same, all should be protected.
Claims (8)
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;
carrying out alignment processing on the data to be processed to obtain at least one row of data of the data to be processed, wherein the data of the data to be processed has the length of N bytes;
caching the data to be processed into a circular cache space line by line; the size of the buffer space of the circulating buffer space is nN, n is more than or equal to 2, and K is more than 1 and less than n;
triggering a printer to print when the number of lines stored in the circulating cache space is greater than or equal to K;
continuously carrying out alignment processing on the data to be processed, and continuously storing the line data to be processed into the circular cache space;
each row of data to be processed obtained after the alignment processing is distributed with a corresponding processing number, each row of data to be processed cached in the circulating cache space is distributed with a corresponding cache address, the processing number corresponds to the cache address one by one, and the total number of the cache addresses corresponds to the n value;
when the line data to be processed is continuously stored in the circulating cache space, if the line number stored in the circulating cache space is equal to n, the cache address of the line data to be processed of the next cache starts to be cached from the first address of the circulating cache space.
2. A print data processing method as claimed in claim 1, characterized in that if the space in the circular buffer space is occupied, the storing of the line data to be processed is suspended and a new buffer space is waited for to be released.
3. A print data processing method according to claim 2, wherein the alignment processing and buffering action is stopped when there is no new data to be processed.
4. A print data processing method according to any one of claims 1 to 3, wherein the line data to be processed is sent to a printer in a first-in-first-out manner in a circular buffer space, the printer being configured to acquire the line data to be processed and send to a thermal patch for latching and heating.
5. The print data processing method of claim 4, wherein before triggering the printer to print, determining whether the printer is in an idle state, and if so, triggering the printer to print.
6. The print data processing method according to claim 5, wherein the occupation space of the line data to be processed in the circular buffer space is released after the line data to be processed is transmitted to the thermal pad for latching and heating.
7. The print data processing method of claim 6, wherein the printing is stopped after no new line data to be processed is in the circular buffer space.
8. An electronic device comprising a processor and a memory, wherein the memory has stored therein at least one instruction, at least one program, code set, or instruction set, which is loaded and executed by the processor to implement the print data processing method of any one of claims 1 to 7.
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| CN202111065882.6A CN113805808B (en) | 2021-09-10 | 2021-09-10 | Print data processing method and electronic equipment |
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