CN103093734A - Liquid crystal displayer (LCD) data control method applicable to massage armchair hand controller - Google Patents
Liquid crystal displayer (LCD) data control method applicable to massage armchair hand controller Download PDFInfo
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- CN103093734A CN103093734A CN2013100210734A CN201310021073A CN103093734A CN 103093734 A CN103093734 A CN 103093734A CN 2013100210734 A CN2013100210734 A CN 2013100210734A CN 201310021073 A CN201310021073 A CN 201310021073A CN 103093734 A CN103093734 A CN 103093734A
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- storer
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Abstract
A liquid crystal displayer (LCD) data control method applicable to a massage armchair hand controller includes the following steps: A, an address data line of a memory and an address data line of a thin film transistor (TFT) LCD are arranged to be in direct connection with an address data line of a single chip microcomputer (SCM); B, a stored data reading command is sent, and the memory is enabled to be at the state of outward data transmitting; C, a display data receiving command is sent, and the TFT LCD is enabled to be at the state of display data receiving; D, an input/output (IO) data interface of the address data line of the SCM is set to be at the input state; E, a data receiving command is sent after a data reading command is sent; and F, the steps from B to E is repeated until data transmission is accomplished. Due to the technical scheme, the requirements for the IO data interface number of the SCM can be greatly reduced, resources are saved, transmission speed is twice as fast as the transmission speed of a traditional control method when data of a same quantity are transmitted at the same time, and refreshing and synchronization speed of the TFT LCD is doubled.
Description
Technical field
The present invention relates to a kind of data control method, in particular a kind of liquid crystal display data control method that is applicable to hand controller for massaging chair.
Background technology
in prior art in hand controller for massaging chair drive TFT liquid crystal display screen system, the custom circuit data control method is, take single-chip microcomputer as control center, utilize control line and the address date line of the IO data-interface connected storage on single-chip microcomputer, on the recycling single-chip microcomputer, another IO data-interface connects control line and the address date line of TFT liquid crystal display, with this data control method come the drive TFT display screen the time, at first the buffer zone of the data that need the control single chip computer read memory in the single-chip microcomputer, and then control sends the data in single-chip microcomputer to the TFT LCDs, realize that the TFT LCDs shows required content.Method of the prior art, require single-chip microcomputer must possess a plurality of IO data-interfaces, when transmitting data centered by single-chip microcomputer, must get the data on first read memory, then just can send out, cause consuming time too much, the single-chip microcomputer load is very heavy, when the drive TFT LCDs, the content synchronization of demonstration refreshes slower.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is for the deficiencies in the prior art, and a kind of liquid crystal display data control method that is applicable to hand controller for massaging chair is provided.
Technical scheme of the present invention is as follows:
A kind of liquid crystal display data control method that is applicable to hand controller for massaging chair wherein, comprises the following steps:
A: the address date line of storer, the address date line of TFT liquid crystal display and the address wire of single-chip microcomputer are set directly are connected;
B: send and read the storage data command, make storer be in the state of external transmission data;
C: send and receive the demonstration data command, the TFT liquid crystal display is in receives the state that shows data;
D: the IO data-interface that single-chip microcomputer address date line is set is input state;
F: after sending the reading out data order, the transmitting and receiving data order;
E: repeating step B to F, extremely straight data transmission is completed.
Described method, wherein, in described storer, the form of storage data shows that with described TFT LCDs data layout is identical.
Described method, wherein, in described storer, the form of storage data is 16 system original image data of BIN form.
Described method wherein, in described step B, is sent by storer control line and address date line by single-chip microcomputer and reads the storage data command to storer, makes storer be in the state of external transmission data.
Described method wherein, keeps current state when described storer is in the state of external transmission data.
Described method, wherein, in described step C, single-chip microcomputer sends to receive by address date line and TFT LCDs control line and shows data command to liquid crystal display, the TFT liquid crystal display is in receives the state that shows data.
Described method, wherein, in described step F, the control line by single-chip microcomputer by storer sends the signal of a reading out data, on the address data bus that the data of correspondence position in storer are sent to; Single-chip microcomputer sends the signal of TFT liquid crystal display receive data by TFT liquid crystal display control line.
Described method, wherein, described signal is pulse clock signal.
Described method, wherein, in described storer, the data of correspondence position are 16 system data; Described TFT liquid crystal display receive data is stored on the inner demonstration of TFT liquid crystal display data-mapping regional address.
Described method, wherein, after execution in step E, the IO data-interface that the address date line of single-chip microcomputer is set is input/output state.
Adopt such scheme, the present invention has not only solved the problem that prior art exists, and when the address wire of storage address data line, TFT LCDs address date line and single-chip microcomputer directly connects, can greatly reduce the demand to single-chip microcomputer IO data-interface quantity, saving resource, simultaneously when transmitting the data of equal number, than conventional control method fast the speed of one times, also increased by one times in the synchronous speed that refreshes of TTF LCDs.
Description of drawings
Fig. 1 is the liquid crystal display data control method structural representation of hand controller for massaging chair of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
as shown in Figure 1, the address wire of the address date line of the address date line of storer, TFT liquid crystal display and single-chip microcomputer directly is connected consists of bus mode, the image data of storing in storer is 16 system raw data of BIN form, can directly offer the TFT LCDs and show, no longer need any decoding to process, when the image data inside needs are transferred storer shows to the TFT LCDs, first sent by storer control line and address date line by single-chip microcomputer and read the storage data command to storer, make storer be in the state of external transmission data, hold mode is waited for subsequent operation, then single-chip microcomputer is also to send to receive by address date line and TFT LCDs control line to show that data command is to liquid crystal display, the TFT liquid crystal display is in receives the state that shows data, after completing these operations, the attribute that single-chip microcomputer changes address date line IO mouth is input state, the IO mouth of single-chip microcomputer has also just lost control action to the address data line like this, data on can only the receiver address data line, this time, single-chip microcomputer begins the control line of operational store and TFT liquid crystal display, first send the pulse clock of a reading out data by the control line of storer, 16 system data of memory inside corresponding address position have just sent on address data bus, single-chip microcomputer send storer read pulse after, send the pulse clock of TFT liquid crystal display receive data by TFT liquid crystal display control line at once, data on the receiver address data bus are to the inner data-mapping regional address that shows of TFT liquid crystal display, the data of so just having completed a byte (word) directly transmit, then repeat this process, although in this process, single-chip microcomputer has also received the data on the address date line, but single-chip microcomputer does not need to do any processing, need because these data are not single-chip microcomputers, after the data volume that has transmitted the required transmission of single-chip microcomputer, single-chip microcomputer is got back in the middle of normal task processing.
Embodiment two
On the basis of above-described embodiment, as shown in Figure 1, a kind of liquid crystal display data control method that is applicable to hand controller for massaging chair wherein, comprises the following steps:
A: the address date line of storer, the address date line of TFT liquid crystal display and the address wire of single-chip microcomputer are set directly are connected;
B: send and read the storage data command, make storer be in the state of external transmission data;
C: send and receive the demonstration data command, the TFT liquid crystal display is in receives the state that shows data;
D: the IO data-interface that single-chip microcomputer address date line is set is input state;
F: after sending the reading out data order, the transmitting and receiving data order;
E: repeating step B to F, extremely straight data transmission is completed.
Preferably, in described storer, the form of storage data shows that with described TFT LCDs data layout is identical.
Preferably, in described storer, the form of storage data is 16 system original image data of BIN form.
Preferably, in described step B, sent by storer control line and address date line by single-chip microcomputer and read the storage data command to storer, make storer be in the state of external transmission data.
Keep current state when preferably, described storer is in the state of external transmission data.
Preferably, in described step C, single-chip microcomputer sends to receive by address date line and TFT LCDs control line and shows data command to liquid crystal display, the TFT liquid crystal display is in receives the state that shows data.
Preferably, in described step F, the control line by single-chip microcomputer by storer sends the signal of a reading out data, on the address data bus that the data of correspondence position in storer are sent to; Single-chip microcomputer sends the signal of TFT liquid crystal display receive data by TFT liquid crystal display control line.
Preferably, described signal is pulse clock signal.
Preferably, in described storer, the data of correspondence position are 16 system data; Described TFT liquid crystal display receive data is stored on the inner demonstration of TFT liquid crystal display data-mapping regional address.
Preferably, after execution in step E, the IO data-interface that the address date line of single-chip microcomputer is set is input/output state.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improve and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a liquid crystal display data control method that is applicable to hand controller for massaging chair, is characterized in that, comprises the following steps:
A: the address date line of storer, the address date line of TFT liquid crystal display and the address wire of single-chip microcomputer are set directly are connected;
B: send and read the storage data command, make storer be in the state of external transmission data;
C: send and receive the demonstration data command, the TFT liquid crystal display is in receives the state that shows data;
D: the IO data-interface that single-chip microcomputer address date line is set is input state;
F: after sending the reading out data order, the transmitting and receiving data order;
E: repeating step B to F, extremely straight data transmission is completed.
2. the method for claim 1, is characterized in that, in described storer, the form of storage data shows that with described TFT LCDs data layout is identical.
3. the method for claim 1, is characterized in that, in described storer, the form of storage data is 16 system original image data of BIN form.
4. the method for claim 1, is characterized in that, in described step B, sent by storer control line and address date line by single-chip microcomputer and read the storage data command to storer, makes storer be in the state of external transmission data.
5. the method for claim 1, is characterized in that, keeps current state when described storer is in the state of external transmission data.
6. the method for claim 1, it is characterized in that, in described step C, single-chip microcomputer sends to receive by address date line and TFT LCDs control line and shows data command to liquid crystal display, the TFT liquid crystal display is in receives the state that shows data.
7. the method for claim 1, is characterized in that, in described step F, the control line by single-chip microcomputer by storer sends the signal of a reading out data, on the address data bus that the data of correspondence position in storer are sent to; Single-chip microcomputer sends the signal of TFT liquid crystal display receive data by TFT liquid crystal display control line.
8. the method for claim 1, is characterized in that, described signal is pulse clock signal.
9. the method for claim 1, is characterized in that, in described storer, the data of correspondence position are 16 system data; Described TFT liquid crystal display receive data is stored on the inner demonstration of TFT liquid crystal display data-mapping regional address.
10. the method for claim 1, is characterized in that, after execution in step E, the IO data-interface that the address date line of single-chip microcomputer is set is input/output state.
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| CN2013100210734A CN103093734A (en) | 2013-01-21 | 2013-01-21 | Liquid crystal displayer (LCD) data control method applicable to massage armchair hand controller |
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| CN2013100210734A CN103093734A (en) | 2013-01-21 | 2013-01-21 | Liquid crystal displayer (LCD) data control method applicable to massage armchair hand controller |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100239398B1 (en) * | 1997-09-12 | 2000-01-15 | 서평원 | Display system of liquid crystal display device |
| CN2457611Y (en) * | 2000-12-25 | 2001-10-31 | 武汉理工大学 | Intelligent flaw detector for group of lines |
| CN1987560A (en) * | 2005-12-23 | 2007-06-27 | 上海派恩科技有限公司 | CAN bus programmable display device |
| CN200965777Y (en) * | 2006-01-24 | 2007-10-24 | 中国科学院长春光学精密机械与物理研究所 | DSP-based LCD screen control circuit |
| CN101118735A (en) * | 2007-09-12 | 2008-02-06 | 吉林大学 | Separating bus technology liquid crystal box interface for CAN bus instrument |
-
2013
- 2013-01-21 CN CN2013100210734A patent/CN103093734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100239398B1 (en) * | 1997-09-12 | 2000-01-15 | 서평원 | Display system of liquid crystal display device |
| CN2457611Y (en) * | 2000-12-25 | 2001-10-31 | 武汉理工大学 | Intelligent flaw detector for group of lines |
| CN1987560A (en) * | 2005-12-23 | 2007-06-27 | 上海派恩科技有限公司 | CAN bus programmable display device |
| CN200965777Y (en) * | 2006-01-24 | 2007-10-24 | 中国科学院长春光学精密机械与物理研究所 | DSP-based LCD screen control circuit |
| CN101118735A (en) * | 2007-09-12 | 2008-02-06 | 吉林大学 | Separating bus technology liquid crystal box interface for CAN bus instrument |
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