CN202694761U - Input and display processing system and controller - Google Patents
Input and display processing system and controller Download PDFInfo
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- CN202694761U CN202694761U CN 201220305701 CN201220305701U CN202694761U CN 202694761 U CN202694761 U CN 202694761U CN 201220305701 CN201220305701 CN 201220305701 CN 201220305701 U CN201220305701 U CN 201220305701U CN 202694761 U CN202694761 U CN 202694761U
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Abstract
The utility model provides an input and display processing system. The system comprises an input and display processing unit, a main control unit, an input information transmission line and a display information transmission line, wherein the input and display processing unit is connected to the main control unit, an input device and a display device, receives input information from the input device, and sends the input information to the main control unit; the main control unit generates display information and sends the display information to the input and display processing unit which sends the display information to the display device to control display content of the display device; the input information transmission line is connected with the input and display processing unit and the main control unit, and sends input information sent by the input and display processing unit to the main control unit; and the display information transmission line is connected with the main control unit and the input and display processing unit, and sends the display information sent by the main control unit to the input and display processing unit. Correspondingly, the utility model further provides a controller. Through the technical scheme, interface wire connection of the input and display processing system is simple and data transmission is effective and reliable.
Description
Technical field
The utility model relates to fields of numeric control technique, in particular to input and display processing system and controller.
Background technology
The input and the Graphics Processing scheme that are used for the electronic equipment man-machine interaction are a lot, common scheme has two kinds at present: the first scheme is the direct processing mode of master controller, be that master controller directly carries out taking turn to input and display device, realize showing Data Update and input response.Because directly process to input and display device, the direct line of master controller and input, display device is more, and this method to take the master controller resource more.First scheme is that master controller passes through I2C, SPI, the interface such as parallel port and demonstration and input scan functional circuit (comprise by special chip, and realized by the assistant SCM programming) connection.By interface the register of special chip is carried out implementing reading and writing input Presentation Function.Compare with first method, owing to simplified circuit, and save in a large number the master controller resource, raise the efficiency, obtained using widely than first method.
When using first scheme in some controller, more satisfactory under general application conditions, but under the abominable electromagnetic environment of industry, the interface channel of special chip body and master controller and special chip is too much excessively random, also cause being interfered, cause special chip may receive wrong master controller instruction, the abnormal conditions such as the show state that leads to errors.
Therefore need a kind of new input and Graphics Processing human-machine interface technology, can reduce the direct line of master controller and input display spare, simultaneously can normal reliable work under the abominable electromagnetic environment of industry.
The utility model content
In view of this, according to an aspect of the present utility model, a kind of input and display processing system have been proposed, comprise: input shows and processing unit, be connected to main control unit, input media and display device, reception is from the input message of described input media, and sends to described main control unit; Described main control unit generates demonstration information and sends to described input and display processing unit, and described input and display processing unit send to described display device with described demonstration information, to control the displaying contents of described display device; The input message transmission line connects described input and display processing unit and described main control unit, and the described input message that described input and display processing unit are sent transfers to described main control unit; Show to connect described main control unit and described input and display processing unit by transmission line of information, the described demonstration communication that described main control unit is sent is to described input and display processing unit.
In this technical scheme, main control unit directly is not connected with input, display device, but is connected to input and display processing unit, realizes the input Presentation Function by input and display processing unit.Only transmit data by two data lines between main control unit and input demonstration and the processing unit, realized the simplification of circuit, and transmission of signal is respond well, be difficult for being interfered.
In technique scheme, preferably, also comprise: isolated location, the signal message that receives is carried out electrical isolation to be processed and exports, described input message transmission line is divided into first and second portion, described first connects described input and display processing unit and described isolated location, the described input message that described input and display processing unit are sent transfers to described isolated location, described second portion connects described isolated location and described main control unit, the described input message that described isolated location is sent transfers to described main control unit, described demonstration transmission line of information is divided into third part and the 4th part, described third part connects described main control unit and described isolated location, the described demonstration communication that described main control unit is sent is to described isolated location, described the 4th part connects described isolated location and described input and display processing unit, and the described demonstration communication that described isolated location is sent is to described input and display processing unit.
In this technical scheme, be Man Machine Interface because input shows, under abominable electromagnetic environment, outside electromagnetic interference is easy to produce electromagnetic coupled by the chip in interface and the main control unit, disturbs the reliability service of main control unit and interlock circuit.In addition, common static electricity on human body (ESD) also easily produces potential dangerous influence to the chip in the main control unit in operating process.In order to ensure the reliability of system, this technical scheme is protected the chip in the main control unit by setting up isolated location.
In above-mentioned arbitrary technical scheme, preferably, described input message transmission line and described demonstration transmission line of information are the data line of serial communication mode, and baud rate and/or the data layout of transmission are identical.
In this technical scheme, data line and interface by serial communication mode can reach the purpose of simplifying circuit, simultaneously, easily realize data check with the data layout that serial communication mode adapts, can effectively avoid the transmission of the error message that caused by electromagnetic interference (EMI).
In above-mentioned arbitrary technical scheme, preferably, also comprise: power supply unit, be connected to described main control unit, to described main control unit power supply, described power supply unit and described main control unit are integrated on the circuit board; The first power lead and second source line connect described power supply unit and described input and display processing unit, and described power supply unit is by described the first power lead and the described input of second source alignment and display processing unit power supply.
In this technical scheme, input and display processing unit do not have independent power module, and its power supply is provided by the power module of main control unit.
In above-mentioned arbitrary technical scheme, preferably, described main control unit comprises TMS320F28035 model chip, described input message transmission line is connected to the SCIRXD pin of TMS320F28035 chip, and described demonstration transmission line of information is connected to the SCITXD pin of described TMS320F28035 model chip.
In this technical scheme, main control unit uses the TMS320F28035 chip, and the SCIRXD pin is its Serial data receiving pin, and the SCITXD pin also can adopt other chips of function or model type for its serial data sends pin.
In above-mentioned arbitrary technical scheme, preferably, described keyboard display unit comprises PIC16F723 model chip, and described input message transmission line is connected to the TXD pin of PIC 16F723 chip, and described demonstration transmission line of information is connected to the RXD pin of described PIC16F723 model chip.
In this technical scheme, keyboard display unit can be used the PIC16F723 chip, and the RXD pin is its Serial data receiving pin, and the TDX pin also can adopt other chips of function or model type for its serial data sends pin.
In above-mentioned arbitrary technical scheme, preferably, described isolated location comprises ADUM1201 model chip.
In this technical scheme; the ADUM1201 chip is isolating chip commonly used in the digital isolation technology; can use the ADUM1201 chip as isolated location, can reach the protection effect to the chip in the main control unit, also can adopt other chips of function or model type.
In above-mentioned arbitrary technical scheme, preferably, described display device comprises: charactron, pilot lamp and/or display, described input media comprises: keyboard, knob and/or touch-screen.
In this technical scheme, can use multiple demonstration and input media, what enumerate in this technical scheme all is demonstration, the input media of commonly using, the use of can arbitrarily arranging in pairs or groups of these devices, and it is several to be not limited to this that mention, shows, input media can't impact the effect of the technical program.
According on the other hand of the present utility model, a kind of controller is also proposed, comprise input and the display processing system described in above-mentioned arbitrary technical scheme, also comprise: input media, be connected to described input and display processing system, the response data operation generates input message and is sent to described input and display processing system; Display device is connected to described input and display processing system, receives the demonstration information that described input and display processing system send, and generates displaying contents and shows.
In technique scheme, preferably, described controller comprises AC servo driver, and described display device comprises: charactron, pilot lamp and/or display, described input media comprises: keyboard, knob and/or touch-screen.
In this technical scheme, because the working environment of AC servo driver is in the strong electromagnetic interference (EMI), adopt the AC servo driver of the technical solution of the utility model, can in strong electromagnetic interference (EMI), work, and can avoid to a great extent the transmission of error message.
Description of drawings
Fig. 1 shows according to the input of embodiment of the present utility model and the schematic diagram of display processing system;
Fig. 2 shows according to the input of another embodiment of the present utility model and the schematic diagram of display processing system;
Fig. 3 shows the schematic diagram according to the controller of embodiment of the present utility model.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples the utility model is described further.Need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
Fig. 1 shows according to the input of embodiment of the present utility model and the schematic diagram of display processing system
As shown in Figure 1, input and display processing system according to embodiment of the present utility model comprise: input shows and processing unit 102, be connected to main control unit 104, input media and display device, receive the input message from input media, and send to main control unit 104; Main control unit 104 generates demonstration information and sends to input and display processing unit 102, and input and display processing unit 102 send to display device with demonstration information, with the displaying contents of control display device; Input message transmission line 106 connects input and display processing unit 102 and main control unit 104, and the input message of inputting and display processing unit 102 sends is transferred to main control unit 102; Show transmission line of information 108, connect main control unit 104 and input and display processing unit 102, the demonstration communication that main control unit 104 sends is extremely inputted and display processing unit 102.
In this technical scheme, main control unit 104 directly is not connected with input, display device, but is connected to input and display processing unit 102, realizes the input Presentation Function by input and display processing unit 102.Only transmit data by two data lines between main control unit 104 and input demonstration and the processing unit 102, realized the simplification of circuit, and transmission of signal is respond well, be difficult for being interfered.
In technique scheme, preferably, input message transmission line 106 and demonstration transmission line of information 108 are the data line of serial communication mode, and baud rate and/or the data layout of transmission are identical.
In this technical scheme, data line and interface by serial communication mode can reach the purpose of simplifying circuit, simultaneously, easily realize data check with the data layout that serial communication mode adapts, can effectively avoid the transmission of the error message that caused by electromagnetic interference (EMI).
In a kind of embodiment, main control unit 104 to the frame of display data form of input and display processing unit 102 transmission is:
| Show information field | Additional information fields | The check information territory |
Input and display processing unit 102 to the input data frame form that main control unit 104 transmits are:
| The input message territory | Additional information fields | The check information territory |
In order accurately to realize the identification of a Frame, the minimum interFrameGap between the Frame is set as the time width (referred to as T3.5) that 3.5 byte datas take.
The input message Frame that main control unit 104 reception inputs and display processing unit are sent, at first carry out verification, to not abandoning processing by the Frame of verification, otherwise verification by after carry out input message parsing generate incoming event, main control unit 104 generates the information that needs show according to message-driven such as current incoming events, and is packaged into frame of display data information and sends to input and display processing unit 102 by form.Input and display processing unit 102 scannings receive frame of display data, equally at first carry out verification, and to not abandoning processing and counting by the Frame of verification, if verification is passed through, then the information with Frame is mapped on the display interface.If it is super inferior that input and display processing unit 102 receive time-outs or continuous verification make mistakes, then can carry out automatic alarm and show, thereby have certain man-machine interface fault self-diagnosis.
In above-mentioned arbitrary technical scheme, preferably, also comprise: power supply unit, be connected to main control unit 104, to main control unit 104 power supplies, power supply unit and main control unit 104 are integrated on the circuit board; The first power lead 110 and second source line 112 connect power supply unit and input and display processing unit 102, and power supply unit is powered to input and display processing unit 102 by the first power lead 110 and second source line 112.
In this technical scheme, input and display processing unit 102 do not have independent power module, and its power supply is provided by the power module of main control unit 104.
Fig. 2 shows according to the input of another embodiment of the present utility model and the schematic diagram of display processing system.
As shown in Figure 2, according to the input of another embodiment of the present utility model and display processing system except having the as shown in Figure 1 26S Proteasome Structure and Function of embodiment, also comprise isolated location 206, the signal message that receives is carried out electrical isolation to be processed and exports, the input message transmission line is divided into first 208 and second portion 210, first 208 connects input and display processing unit 102 and isolated location 206, the input message of inputting and display processing unit 102 sends is transferred to isolated location 206, second portion 210 connects isolated location 206 and main control unit 104, the input message that isolated location 206 is sent transfers to main control unit 104, show that transmission line of information is divided into third part 212 and the 4th part 214, the 3rd one connected main control unit 104 and isolated location 206 in 212 minutes, the demonstration communication that main control unit 104 is sent is to isolated location 206, the 4th part 214 connects isolated location 206 and input and display processing unit 102, and the demonstration communication that isolated location 206 sends is extremely inputted and display processing unit 102.
In this technical scheme, because it is Man Machine Interface that input shows, under abominable electromagnetic environment, outside electromagnetic interference is easy to produce electromagnetic coupled by the chip in interface and the main control unit 104, disturbs the reliability service of main control unit 104 and interlock circuit.In addition, common static electricity on human body (ESD) also easily produces potential dangerous influence to the chip in the main control unit 104 in operating process.In order to ensure the reliability of system, this technical scheme is protected by the chip of setting up in 206 pairs of main control units 104 of isolated location.
Fig. 3 shows the schematic diagram according to the controller of embodiment of the present utility model.
As shown in Figure 3, controller according to embodiment of the present utility model comprises charactron 302, button 304, POW pilot lamp 306 and RUN pilot lamp 308, comprise that also charactron shows and the keyboard scan disposal system, wherein charactron demonstration and keyboard scan disposal system be equivalent to as shown in Figure 1 input and a kind of specific implementation of display processing system.Main control unit uses TMS320F28035 model chip, keyboard display unit (being equivalent to input and display processing unit among Fig. 1) is used PIC16F723 model chip, the input message transmission line is connected to the SCIRXD pin of TMS320F28035 chip and the TXD pin of PIC16F723 chip, shows that transmission line of information is connected to the SCITXD pin of TMS320F28035 model chip and the RXD pin of PIC16F723 model chip.Keyboard display unit is connected to charactron 302, button 304, POW pilot lamp 306 and RUN pilot lamp 308, to be sent to main control unit by the data message of button 304 inputs, and the demonstration information that main control unit is generated is sent to charactron 302, POW pilot lamp 306 and RUN pilot lamp 308, the demonstration of control charactron 302, POW pilot lamp 306 and RUN pilot lamp 308.The communication data format that main control unit transmits to keyboard display unit is as follows:
Wherein:
Charactron shows that Byte0-Byte5 comprises the information that charactron shows in the information field.Most significant digit is the flicker bit, and low 7 is the demonstration information of 7 sections correspondences of charactron.As shown in the table:
| B7 | B6-B0 |
| Flickering display 0: do not glimmer; 1: flickering display. | Seven segment numerical shows |
The specifying information of additional information fields is defined as the duty of pilot lamp RUN pilot lamp 308 and POW pilot lamp 306, and the scaling position information of charactron demonstration.As shown in the table:
The duty of the corresponding RUN pilot lamp of RunCode, the duty of the corresponding POW pilot lamp of PowCode.The duty of pilot lamp is defined as follows:
0: pilot lamp goes out;
1: pilot lamp is bright;
2: the pilot lamp quickflashing;
3: pilot lamp dodges slowly;
Other: keep.
DpCode represents to show whether data need to show radix point, when DpCode=0, does not show radix point, otherwise shows the radix point of the charactron of reference numeral.The ResCode function is done expansion and is kept.
Check information territory logarithmic code pipe demonstration information field data and additional information numeric field data are carried out verification and are calculated.Here adopt the CRC16 verification.
Main control unit will show that the communication data frame is dealt into keyboard display unit by SCI communication fixed time interval, keyboard display unit is by T3.5 interval recognition data frame, receive frame data, at first Frame is carried out CRC check, after verification is passed through, then press the corresponding charactron of data layout control display and the pilot lamp information of aforementioned definitions.
Keyboard display unit is defined as follows to the button communication data format of main control unit transmission:
Key information territory definition push key information format.The present embodiment operation interface is used 4 buttons, and corresponding Byte0 and Byte1 consist of low four of 16 bit data, and high 12 temporary transient zero setting are to make things convenient for the input of compatible extensions keyboard.
Because current keyboard display unit is comparatively simple, does not define the accessory information territory here.
The check information territory is carried out verification to the key information numeric field data and is calculated.Here adopt the CRC16 verification.
Keyboard display unit scanning detects button, to scan key information and generate the key information territory by form, and this numeric field data carried out CRC check, and the key information territory is consisted of the button data frame with the check information territory, send to main control unit by the SCI fixed time interval.Main control unit receives frame data by T35 interval recognition data frame, at first Frame is carried out CRC check, after verification is passed through, then obtains new key information, and operation keyboard display routine generates new frame of display data.
In the present embodiment, the communication baud rate of main control unit and keyboard display unit is set to 9600bps, and the data layout of each byte information is:
1 start bit+8 data bit+1 position of rest+1 no parity check position.
The charactron of the present embodiment shows and the keyboard scan disposal system also can be the input of as shown in Figure 2 embodiment and a kind of specific implementation of display processing system; isolated location uses ADUM1201 model chip, can protect the chip in the main control unit.Hardware isolated is processed the reliability that charactron shows and the keyboard scan function realizes that has further improved system.
In addition, can also be by interface level being transformed to RS232 or the RS422 level is strengthened hardware reliability, and also this level mode also is fit to carry out remote human-machine operation application scenario.
To sum up, use this charactron to show and the keyboard scan disposal system to have an interface simple, by the effective information transmission between verification Reliable guarantee main control unit and input and the display processing unit.In addition, this interface conveniently carries out level conversion or isolation processing, thereby allows to have higher reliability under the rugged surroundings.The technical program is used in a AC servo driver, and has obtained checking.Because the SCI interface uses extensively, general microprocessor substantially all is furnished with the SCI communication interface, realizes having larger application value based on input and the Graphics Processing of this scheme.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. input and display processing system for one kind, it is characterized in that, comprising:
Input and display processing unit are connected to main control unit, input media and display device, receive the input message from described input media, and send to described main control unit;
Described main control unit generates demonstration information and sends to described input and display processing unit, and described input and display processing unit send to described display device with described demonstration information, to control the displaying contents of described display device;
The input message transmission line connects described input and display processing unit and described main control unit, and the described input message that described input and display processing unit are sent transfers to described main control unit;
Show to connect described main control unit and described input and display processing unit by transmission line of information, the described demonstration communication that described main control unit is sent is to described input and display processing unit.
2. input according to claim 1 and display processing system is characterized in that, also comprise:
Isolated location carries out electrical isolation to the signal message that receives and processes and export,
Described input message transmission line is divided into first and second portion, described first connects described input and display processing unit and described isolated location unit, the described input message that described input and display processing unit are sent transfers to described isolated location, described second portion connects described isolated location and described main control unit, the described input message that described isolated location is sent transfers to described main control unit
Described demonstration transmission line of information is divided into third part and the 4th part, described third part connects described main control unit and described isolated location, the described demonstration communication that described main control unit is sent is to described isolated location, described the 4th part connects described isolated location and described input and display processing unit, and the described demonstration communication that described isolated location is sent is to described input and display processing unit.
3. input according to claim 1 and display processing system is characterized in that, described input message transmission line and described demonstration transmission line of information are the data line of serial communication mode, and baud rate and/or the data layout of transmission are identical.
4. input according to claim 1 and display processing system is characterized in that, also comprise:
Power supply unit is connected to described main control unit, and to described main control unit power supply, described power supply unit and described main control unit are integrated on the circuit board;
The first power lead and second source line connect described power supply unit and described input and display processing unit, and described power supply unit is by described the first power lead and the described input of second source alignment and display processing unit power supply.
5. input according to claim 1 and display processing system, it is characterized in that, described main control unit comprises TMS320F28035 model chip, described input message transmission line is connected to the SCIRXD pin of TMS320F28035 chip, and described demonstration transmission line of information is connected to the SCITXD pin of described TMS320F28035 model chip.
6. input according to claim 1 and display processing system, it is characterized in that, described input and display processing unit comprise PIC16F723 model chip, described input message transmission line is connected to the TXD pin of PIC16F723 chip, and described demonstration transmission line of information is connected to the RXD pin of described PIC16F723 model chip.
7. input according to claim 2 and display processing system is characterized in that, described isolated location comprises ADUM1201 model chip.
8. according to claim 1 each described input and display processing system in 7 is characterized in that, described display device comprises: charactron, pilot lamp and/or display, described input media comprises: keyboard, knob and/or touch-screen.
9. a controller is characterized in that, comprising:
According to claim 1 each described input and display processing system in 8;
Input media is connected to described input and display processing system, and the response data operation generates input message and is sent to described input and display processing system;
Display device is connected to described input and display processing system, receives the demonstration information that described input and display processing system send, and generates displaying contents and shows.
10. controller according to claim 9 is characterized in that, described controller comprises AC servo driver, and described display device comprises: charactron, pilot lamp and/or display, described input media comprises: keyboard, knob and/or touch-screen.
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| CN 201220305701 CN202694761U (en) | 2012-06-26 | 2012-06-26 | Input and display processing system and controller |
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| CN 201220305701 CN202694761U (en) | 2012-06-26 | 2012-06-26 | Input and display processing system and controller |
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| CN 201220305701 Expired - Lifetime CN202694761U (en) | 2012-06-26 | 2012-06-26 | Input and display processing system and controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306740A (en) * | 2020-03-27 | 2020-06-19 | 深圳市前海巨能新能源科技有限公司 | New forms of energy washing formula air purifier control system and air purifier |
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2012
- 2012-06-26 CN CN 201220305701 patent/CN202694761U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306740A (en) * | 2020-03-27 | 2020-06-19 | 深圳市前海巨能新能源科技有限公司 | New forms of energy washing formula air purifier control system and air purifier |
| CN111306740B (en) * | 2020-03-27 | 2020-11-27 | 深圳市前海巨能新能源科技有限公司 | New forms of energy washing formula air purifier control system and air purifier |
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