CN202623543U - Micro printer control panel integrating single chip and serial FLASH based on full instruction - Google Patents

Abstract

The utility model provides a micro printer control panel integrating a single chip and a serial FLASH based on full instruction, comprising a communication interface, a main control chip, an external expansion FLASH memory, a motor controller and a printing controller, wherein the main control chip includes a communication controller, an RAM memory, a FLASH memory and a FLASH controller; the FLASH controller is connected with the external expansion FLASH memory and carries out reading or writing operation on the external expansion FLASH memory; and the communication controller reads data into the RAM memory through the communication interface. The micro printer control panel integrating a single chip and a serial FLASH based on full instruction has the beneficial effects that fully-functional high-speed printing can be realized, and the micro printer control panel has the advantages of high integration, low noise, high performance and low power consumption, small volume, greatly-reduced manufacturing cost and the like. The micro printer control panel can be widely used in various industries, such as instruments and meters, supermarkets, banks, postal service, utility meter reading, mobile police systems, mobile government systems and the like.

Description

Mini-printer control panel based on full instruction set single-chip serial FLASH

Technical field

The utility model belongs to microprinting control field, especially relates to the mini-printer control panel based on full instruction set single-chip serial FLASH.

Background technology

At present mini-printer is widely used in industry-by-industry, checks meter, movable police system, moves government system or the like such as instrument and meter, supermarket, postal service, bank, tobacco monopolization, public utilities.A lot of middle mini-printers are arranged now on the market, the scope of application of oneself is all arranged separately.Mini-printer comprises a variety of, has pin type mini-printer, temperature-sensitive mini-printer, hot transfer printing mini-printer to also have miniature type matrix printer by the printing type branch.The structure of these printers is mainly formed by putting paper chamber, power supply, transmission device, form feeding device, paper cutter, printing equipment, control device.The co-ordination of each device mainly depends on the coordinated manipulation of control device, guarantees normal operation.Simultaneously, control device also is the vitals that improves the mini-printer operating efficiency.

What the mini-printer control device of domestic use mainly used is foreign brand name and domestic other manufacturer's brands.External brand has the advantage that quality is good, function is complete, but price comparison is high, has increased user's production cost.Review domestic brand, though accomplished moderate cost, but occurred that print speed is slow, volume is big, fair, shortcoming that function is few, make user's R&D costs increase.

In the prior art, generally in the microprinting control device, use parallel connection of main control chip to extend out FLASH memory and a plurality of parallel SDRAM.Have that electronic original part quantity is many, execution speed is slow, cost significantly increases and causes technical problems such as The whole control device profile, volume are bigger.

Summary of the invention

The mini-printer control device is the co-ordination of communicating by letter, coordinate each functional part such as printing equipment, form feeding device, paper cutter in the mini-printer that is used for realizing with the host computer of mini-printer, finally realizes the printing demand of host computer.The problem that the utility model will solve provides a kind of microprinting control device of low in energy consumption, advantage such as noise is low, speed is fast, reliability is high, printable character is clear, especially is fit to the mini-printer control panel based on full instruction set single-chip serial FLASH.

For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of mini-printer control panel based on full instruction set single-chip serial FLASH is provided; Comprise communication interface, main control chip, extend out FLASH memory, electric machine controller, print control unit; Wherein main control chip comprise communication controler be used for receiving or send data, the RAM memory is provided with print buffer, the memory block, the FLASH memory that are used to store program running variations per hour, storehouse, print data are used to deposit performing a programme, I/O interface.Main control chip also comprises the FLASH controller, the FLASH controller FLASH memory that extends out connected in series, the FLASH controller to extend out the FLASH memory read with or write operation; Communication controler reads in the RAM memory with data through communication interface; Electric machine controller is connected with main control chip through the I/O interface, carries out the control of paper feed and cut paper; Main control chip prints control through the I/O port to print control unit.Effect is: the program inner through main control chip realizes high-speed serial communication, accomplishes extending out the read functions of FLASH data.Reduced external equipment to greatest extent, improved integrated level, practice thrift cost, further reduce power consumption.

Said mini-printer control device also comprises error-detecting facility and human-computer interactive control device, and wherein the human-computer interactive control device connects button, functional indicator light, buzzer and panel button interface.Realize button, functional indicator light, buzzer and panel button interface through the human-computer interactive control device.Control in real time, make the intuitively readable of user's printer real-time status, the mistake that produces for printer, the mode through sound and light alarm shows, and realizes friendly man-machine interaction.Effect is: make things convenient for manual operation printer and understanding printer modes directly perceived.

Said main control chip is based on the high-speed chip of Cortex-M3 kernel.Said main control chip satisfies small size, low-power consumption, the simple requirement of technical scheme.Simultaneously can also satisfy a large amount of print data processing capacities, finally realize flying print through chip program.Said main control chip only needs serial to extend out the FLASH chip, adds corresponding peripheral control circuit, just can realize the control of communication, printing, fault detect is handled.Realized the technical scheme of single-chip, serial FLASH.Its role is to:, improved integrated level with respect to multicore chip technology scheme; Adopt single chip design may, reduce extending out chip,, reduce production, R&D costs, improve product reliability through high integration degree.

Said electric machine controller uses the film control chip.Effect is: reduce power consumption and caloric value.In printing control, launch defencive function, can prevent effectively that the printhead motor is because of controlling the improper damage that causes.

Said communication interface is one or more in serial line interface, parallel interface, USB interface, network interface, infrared interface or the blue tooth interface.

Said serial line interface is provided with the level transferring chip of band protection, need not to add the port protection circuit again.

Said parallel interface is provided with isolating chip as port protection, and the mode of using the gating chip to constitute gate bus simultaneously realizes the state of configuration switch is read, and further improves the integrated level of scheme.

Said network interface direct interconnection network isolating transformer.Inner integrated ethernet mac layer controller of main control chip and PHY layer transceiver, direct interconnection network isolating transformer and network access port.Effect is: can simplify the design of ethernet interface circuit, improve reliability, reduce power consumption.

Said mini-printer control method based on full instruction set single-chip serial FLASH, its execution in step is: communication controler control command data and print data deposit the print buffer of main control chip in through communication interface; Then, the program in the execution FLASH memory:

(1) the FLASH controller to extend out the FLASH memory read with or write printing character library;

(2) dot matrix of printing character library is translated;

(3) combine the dot matrix of printing character library to set type print data;

(4) deposit the composing result in print buffer;

(5) print routine in FLASH memory control electric machine controller carries out paper feed and print control unit prints.

(6) after completion was printed, the print routine control electric machine controller in the FLASH memory carried out cut paper.

Advantage and the good effect that the utlity model has are: owing to adopt technique scheme; Realize the global function flying print, and have the integrated level height, reduce noise, high-performance low-power-consumption, good reliability, volume be suitable for the control that prints to portable mobile equipment for a short time; Have that print speed is fast, significantly reduction of manufacturing cost, energy-conserving and environment-protective, simple in structure, advantage such as easy to maintenance.

Description of drawings

Fig. 1 is the structural representation of the utility model

Fig. 2 prints schematic flow sheet

Among the figure:

1, main control chip 2, communication interface 3, human-computer interactive control device

4, extend out FLASH memory 5, electric machine controller 6, print control unit

7, communication controler 8, FLASH controller 9, RAM memory

10, FLASH memory

The specific embodiment

As shown in Figure 1; The utility model comprises communication interface, main control chip, extends out FLASH memory, electric machine controller, print control unit; Wherein main control chip comprise communication controler be used for receiving or send data, the RAM memory is provided with print buffer, the memory block, the FLASH memory that are used to store program running variations per hour, storehouse, print data are used to deposit performing a programme, I/O interface.Main control chip also comprises the FLASH controller, the FLASH controller FLASH memory that extends out connected in series, and the FLASH controller reads and or write operation extending out the FLASH memory.Its role is to: need the The data serial Flash design of permanent storage, further reduce production, R&D costs, well ensured single chip design may.Taked the special control mode during communication,, guaranteed the realization of flying print function in order to realize the fast processing of data.Communication controler reads in the RAM memory with data through communication interface; Electric machine controller is connected with main control chip through the I/O interface, carries out the control of paper feed and cut paper; Main control chip prints control through the I/O port to print control unit.Its role is to: realized the full instruction support of mini-printer, multiple functional, make the applied range of product to can be good at being applied to each different field.Simultaneously, also can realize multiple printed design scheme.

The course of work of this instance: after communication interface receives order data and print data, through communication interface with these print commands with or print data be stored in the print buffer of RAM memory.Because main control chip can separately be carried out program and print data, has improved print speed.Carry out the program in the FLASH memory; Main control chip is through the FLASH controller and extend out FLASH memory realization high-speed serial communication; Completion is to the abstraction function of the data that need permanent storage; The function of just character library that extends out in the FLASH memory being extracted, thus print speed further improved.Accomplish the step of translating of matrix of printed dots and the step that combines the dot matrix of printing character library to set type print data, deposit the composing result in print buffer last affirmation and whether print operation.Operate then print routine in the FLASH memory carries out the control that paper feed and printing control model print through the I/O port to electric machine controller if print.After accomplishing printing, the print routine in the FLASH memory carries out cut paper through the I/O port to the control electric machine controller, the final overall process of printing of accomplishing.Its role is to: under the prerequisite that guarantees printing effect,, realized real flying print through the special control mode.

Simultaneously, main control chip is through real-time error detection function, and wrong detection adopts the control of main control chip internal logic, discerns the error condition in the printer work through the monitoring different sensor, and shows through modes such as sound and light alarms.When selecting the two-way communication generic port for use, this programme control panel can send to the printing initiating equipment with error condition, for analysis.

The human-computer interactive control device connects button, functional indicator light, buzzer and panel button interface.Make the utility model convenient in practical application, reliable.The utility model had both made full use of the performance of main control chip self, had reduced extending out the unit again to greatest extent, had simplified the design of circuit, had improved the reliability of system, further reduced power consumption and cost.

More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.

Claims (8)

1. based on the mini-printer control panel of full instruction set single-chip serial FLASH; Comprise communication interface, main control chip, extend out FLASH memory, electric machine controller, print control unit; Wherein main control chip comprises communication controler, RAM memory, FLASH memory and I/O interface; It is characterized in that: main control chip also comprises the FLASH controller, the FLASH controller FLASH memory that extends out connected in series, and the FLASH controller reads and/or write operation extending out the FLASH memory; Communication controler reads in the RAM memory with data through communication interface; Electric machine controller is connected with main control chip through the I/O interface, carries out the control of paper feed and cut paper; Main control chip prints control through the I/O port to print control unit.

2. mini-printer control device according to claim 1 is characterized in that: main control chip is based on the high-speed chip of Cortex-M3 kernel.

3. mini-printer control device according to claim 1 is characterized in that: electric machine controller uses the film control chip.

4. mini-printer control device according to claim 1 is characterized in that: also comprise error-detecting facility and human-computer interactive control device, wherein the human-computer interactive control device connects button, functional indicator light, buzzer and panel button interface.

5. mini-printer control device according to claim 1 is characterized in that: communication interface is one or more in serial line interface, parallel interface, USB interface, network interface, infrared interface or the blue tooth interface.

6. mini-printer control device according to claim 5 is characterized in that: serial line interface is provided with the level transferring chip of band protection.

7. mini-printer control device according to claim 5, it is characterized in that: parallel interface is provided with isolating chip.

8. mini-printer control device according to claim 5 is characterized in that: network interface direct interconnection network isolating transformer.

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