CN105138162B - Touch-screen with touch data storage agreement - Google Patents
Touch-screen with touch data storage agreement Download PDFInfo
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- CN105138162B CN105138162B CN201510451897.4A CN201510451897A CN105138162B CN 105138162 B CN105138162 B CN 105138162B CN 201510451897 A CN201510451897 A CN 201510451897A CN 105138162 B CN105138162 B CN 105138162B
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Abstract
The present invention relates to a kind of touch-screen with touch data storage agreement, touch data storage agreement is preserved in the memory of touch-screen, touch data storage agreement includes six bytes for each touch point, five bits of a byte are arbitrarily chosen in preceding four bytes as touch-control identification sequence number, are selected state flag bit of any one bit as corresponding touch point in three bits of residue of byte；Remaining two bits and the other three byte in three bits of residue of selected byte outside removing touch point state flag bit corresponding bit are the touch-screen touch-control coordinate storage position of touch point；Remaining 5th byte is the contact area storage position of conductive operation thing and touch-screen in six bytes；Remaining 6th byte is the pressure value storage position of conductive operation thing and touch-screen in six bytes.The touch-screen in the case of not extra consumed register, can reach the resolution ratio of the higher touch-control of support by changing protocol mode.
Description
Technical field
The present invention relates to touch screen technology field, and in particular to a kind of touch-screen with touch data storage agreement.
Background technology
At present, the touch data storage agreement in touch-screen has the following two kinds：
The first touch data deposits agreement：Each single touch point in touch-screen needs 6 bytes, and the touch data is deposited
The Gao Wuwei for putting the first byte of agreement is touch-control identification sequence number, and most 32 touch-control identification sequence numbers, low three are touched for this
Dotted state is controlled, three kinds of state point, when state is 00, represents that touch-control sensing occurs first for the corresponding touch point of touch-screen；Work as shape
When state is 01, represent that the touch-control sensing of the corresponding touch point of touch-screen has occurred, and just in ongoing operation；When state is 02
When, represent that the touch-control sensing of the corresponding touch point of touch-screen just operates and terminate；
Second byte of touch data storage agreement is the most-significant byte of touch-screen touch-control abscissa；The touch data is deposited
3rd byte of agreement is the most-significant byte of touch-screen touch-control ordinate；First four of the nybble of touch data storage agreement
Bit is low 4 of touch-screen touch-control abscissa, and rear four bits are low 4 of touch-screen touch-control ordinate, the touch data
The 5th byte for depositing agreement is the contact area of conductive operation thing and touch-screen, and the touch data deposits the 6th byte of agreement
For the pressure value of conductive operation thing and touch-screen, the data location mode can only support maximum 4096*4096 resolution ratio.
Second of touch data deposits agreement：Each single touch point in touch-screen needs 7 bytes, and the touch data is deposited
The Gao Wuwei for putting the first byte of agreement is touch-control identification sequence number, and most 32 touch-control identification sequence numbers, low three are touched for this
Dotted state is controlled, three kinds of state point, when state is 00, represents that touch-control sensing occurs first for the corresponding touch point of touch-screen；Work as shape
When state is 01, represent that the touch-control sensing of the corresponding touch point of touch-screen has occurred, and just in ongoing operation；When state is 02
When, represent that the touch-control sensing of the corresponding touch point of touch-screen just operates and terminate；
Second byte of touch data storage agreement is the most-significant byte of touch-screen touch-control abscissa；The touch data is deposited
3rd byte of agreement is the least-significant byte of touch-screen touch-control abscissa, and the nybble of touch data storage agreement is touch-screen
The most-significant byte of touch-control ordinate, the 5th byte of touch data storage agreement is the least-significant byte of touch-screen touch-control ordinate, and this is touched
The 6th byte for controlling data storage agreement is the contact area of conductive operation thing and touch-screen, the of touch data storage agreement
Seven bytes are the pressure value of conductive operation thing and touch-screen.The data location mode can support 8K*4K resolution ratio, still
Per more touch-control sensing points, then one byte of more wastes is needed.With current technology, refer to touch-control more and typically refer in ten fingers or ten
More than, cause the minimum needs of such location mode additionally 10 bytes of consumption.
The content of the invention
It is an object of the invention to provide a kind of touch-screen with touch data storage agreement, the touch-screen can be in not volume
In the case of outer consumed register, the resolution ratio of the higher touch-control of support is reached by changing protocol mode.
In order to solve the above technical problems, a kind of touch-screen with touch data storage agreement disclosed by the invention, it is special
Sign is：Touch data storage agreement is preserved in the memory of the touch-screen, touch data storage agreement is for each
Individual touch point includes six bytes, wherein, five bits that a byte is arbitrarily chosen in preceding four bytes identify as touch-control
Sequence number, it is selected state flag bit of any one bit as corresponding touch point in three bits of residue of byte；
Remaining two outside touch point state flag bit corresponding bit are removed in three bits of residue of above-mentioned selected byte
Individual bit and the other three byte are the touch-screen touch-control coordinate storage position of touch point；
Remaining 5th byte is the contact area storage position of conductive operation thing and touch-screen in six bytes；
Remaining 6th byte is the pressure value storage position of conductive operation thing and touch-screen in six bytes.
The touch-screen touch-control abscissa digit sum that above-mentioned remaining two bits and the other three byte are deposited is 13
Position；The touch-screen touch-control ordinate digit sum that remaining two bits and the other three byte are deposited is 13.
Six bytes of each above-mentioned touch point share 48 bits.
The touch-control identification sequence number is up to 32.
Beneficial effects of the present invention：
The present invention can be in the case where additionally not using register, only by way of changing data and depositing agreement, i.e.,
Using the touch panel coordinates of the touch point of 13, higher resolution (the corresponding high definition newest at present with regard to 8192*8192 can be reached
Technology).Meanwhile the present invention can effectively judge according to the combination of touch-control identification sequence number and touch point state flag bit data
The state of touch-screen touch control operation.
In addition, the present invention is by touch-control identification sequence number and touch-control dotted state mark for the state of touch-screen touch control operation
Will position is combined judgement (existing protocol be simple judged by touch point state flag bit), than current agreement mould
Formula is more difficult to be cracked, and has higher Information Security.
Brief description of the drawings
Fig. 1 is that the touch data of embodiment 1 deposits chart corresponding to agreement；
Fig. 2 is that touch data deposits chart corresponding to agreement when finger is not in contact with touch-screen in embodiment 1；
Fig. 3 is that touch data deposits chart corresponding to agreement when finger rigid connection touches touch-screen in embodiment 1；
Fig. 4 is that finger contacts touch-screen, and touch data storage association when continuing to be operated on the touchscreen in embodiment 1
Chart corresponding to view；
Fig. 5 is that touch data has deposited chart corresponding to agreement when finger has just left contact panel in embodiment 1；
Touch data storage agreement is corresponding after Fig. 6 leaves more than 1 time refresh rate of contact panel time for finger in embodiment 1
Chart；
Fig. 7 is the structured flowchart of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Touch-screen of the present invention with touch data storage agreement, the memory (flash memory) of the touch-screen is interior to be preserved
There is touch data to deposit agreement, touch data storage agreement includes six bytes for each touch point, wherein, first four
Five bits of a byte are arbitrarily chosen in byte as touch-control identification sequence number, are selected in three bits of residue of byte
State flag bit of any one bit as corresponding touch point；
Remaining two outside touch point state flag bit corresponding bit are removed in three bits of residue of above-mentioned selected byte
Individual bit and the other three byte are the touch-screen touch-control coordinate storage position of touch point；
Remaining 5th byte is the contact area storage position of conductive operation thing and touch-screen in six bytes；
Remaining 6th byte is the pressure value storage position of conductive operation thing and touch-screen in six bytes.
In above-mentioned technical proposal, the above-mentioned horizontal seat of touch-screen touch-control for being left two bits and the other three byte and being deposited
It is 13 to mark (i.e. X-axis coordinate) digit sum；The touch-screen that remaining two bits and the other three byte are deposited touches
It is 13 to control ordinate (i.e. Y-axis coordinate) digit sum.Compared to 12 traditional touch panel coordinates, the present invention can support 8192*
8192 this higher resolution ratio.
In above-mentioned technical proposal, six bytes of each above-mentioned touch point share 48 bits.
In above-mentioned technical proposal, the touch-control identification sequence number is up to 32.I.e. touch-screen supports most 32 conductions
Operate thing and touch control operation is carried out to touch-screen simultaneously.
The present invention is by touch-control identification sequence number and touch point state flag bit for the state of touch-screen touch control operation
Judgement is combined, is more difficult to be cracked than current protocol mode, there is higher Information Security.
Embodiment 1：
As shown in Figure 1：First five bit of first byte is touch-control identification sequence number, and the 6th bit of the first byte is phase
Answer the state flag bit of touch point；
7th bit, the 8 bits of the first byte, the second byte, the 3rd byte, nybble of the first byte
Be touch point touch-screen touch-control coordinate storage position (the 7th bit of above-mentioned first byte be the touch point touch-screen
Touch-control abscissa highest order deposits position, and the 8 bits of the first byte are deposited for the touch-screen touch-control ordinate highest order of touch point
Put position；Second byte deposits position for high 5~12 of the touch-screen touch-control abscissa of the touch point；3rd byte is the touch-control
High 5~12 storages position of touch-screen touch-control ordinate of point；Preceding four bits of nybble are touch-screen touch-control abscissa low 4
Position storage position, rear four bits of nybble are the low 4 storages position of touch-screen touch-control ordinate)；
5th byte is the contact area storage position of conductive operation thing and touch-screen；
6th byte is the pressure value storage position of conductive operation thing and touch-screen.
Embodiment 2：
First five bit of first byte is touch-control identification sequence number, and the 6th bit of the first byte is corresponding touch point
State flag bit；
7th bit of the first byte deposits position, the first word for the touch-screen touch-control abscissa lowest order of the touch point
The 8 bits of section deposit position for the touch-screen touch-control ordinate lowest order of the touch point；
Second byte deposits position for high 6~13 of the touch-screen touch-control abscissa of touch point；
3rd byte deposits position for high 6~13 of the touch-screen touch-control ordinate of touch point；
Four bits deposit position for low 1~5 of the touch-screen touch-control abscissa of touch point before nybble；After nybble
Four bits deposit position for low 1~5 of the touch-screen touch-control ordinate of touch point；
5th byte is the contact area storage position of conductive operation thing and touch-screen；
6th byte is the pressure value storage position of conductive operation thing and touch-screen.
Embodiment 3：
First five bit of first byte is touch-control identification sequence number, and the 6th bit of the first byte is the touch of touch point
Shield touch-control abscissa highest order storage position, the 7th bit of the first byte is the touch-screen touch-control ordinate highest order of touch point
Position is deposited, the 8 bits of the first byte are the state flag bit of corresponding touch point；
Second byte deposits position for high 5~12 of the touch-screen touch-control abscissa of touch point；
3rd byte deposits position for high 5~12 of the touch-screen touch-control ordinate of touch point；
Four bits deposit position for low 4 of the touch-screen touch-control abscissa of touch point before nybble；Four after nybble
Individual bit deposits position for low 4 of the touch-screen touch-control ordinate of touch point.
Embodiment 4：
First five bit of first byte is touch-control identification sequence number, and the 6th bit of the first byte is corresponding touch point
State flag bit, the 7th bit of the first byte deposit position, the first word for the touch-screen touch-control abscissa highest order of touch point
The 8 bits of section deposit position for the touch-screen touch-control ordinate highest order of touch point；
Four bits deposit position for low 4 of the touch-screen touch-control abscissa of touch point before second byte；Four after second byte
Individual bit deposits position for low 4 of the touch-screen touch-control ordinate of touch point；
3rd byte deposits position for high 5~12 of the touch-screen touch-control abscissa of touch point；
Nybble deposits position for high 5~12 of the touch-screen touch-control ordinate of touch point.
The working method of embodiment 1 is illustrated exemplified by singly referring to touch-control below：
When finger is not in contact with touch-screen, as shown in Fig. 2 the first byte of touch data storage agreement corresponding to touch point
The first six bit is 0 (i.e. bit7, bit6, bit5, bit4, bit3, bit2 are 0 in Fig. 2).The 7th of first byte and
Eight bits and touch data storage agreement others byte are the value of initialization.
When finger rigid connection touches touch-screen, as shown in figure 3, the first byte of touch data storage agreement corresponding to touch point
Preceding four bits (i.e. bit7, bit6, bit5, bit4 in Fig. 3) are 0, and the 5th bit (i.e. bit3 in Fig. 3) is 1, the
Five bits indicate that a finger carries out touch control operation for 1, and the 6th bit (i.e. bit2 in Fig. 3) is 1, is representing finger just
The state of touch-control, the 7th and the 8th bit and touch data the storage agreement others word of the first byte are being carried out to touch-screen
Section is respectively the corresponding touch-screen touch coordinate value of finger, the contact surface product value of touch-screen of finger and the touch-screen pressure of finger
Force value.
After finger contacts contact panel and when continuing to be operated on the touchscreen, as shown in figure 4, corresponding to touch point
Four bits (i.e. bit7, bit6, bit5, bit4 in Fig. 4) are the 0, the 5th before first byte of touch data storage agreement
Individual bit (i.e. bit3 in Fig. 4) is 1, and the 5th bit indicates that a finger carries out touch control operation, the 6th bit for 1
(i.e. bit2 in Fig. 4) is 1, represents that finger is carrying out the state of touch-control, the 7th of the first byte the and the 8th ratio to touch-screen
Special and touch data storage agreement others byte is respectively the touch of touch-screen the touch coordinate value, finger of corresponding finger
The contact surface product value of screen and the touch-screen pressure value of finger.
When finger just leaves touch-screen, as described in Figure 5, the first byte of touch data storage agreement corresponding to touch point
Preceding four bits (i.e. bit7, bit6, bit5, bit4 in Fig. 5) are 0, and the 5th bit (i.e. bit3 in Fig. 5) is 1, the
Five bits indicate that a finger carries out touch control operation for 1, and the 6th bit (i.e. bit2 in Fig. 5) is 0, represents that finger does not have
Have and touch control operation is carried out to touch-screen, the 7th and the 8th bit and touch data the storage agreement others byte of the first byte
The touch-screen touch coordinate value of respectively corresponding finger, the contact surface product value of touch-screen of finger and the touch-screen pressure of finger
Value.
After finger leaves the contact panel time more than 1 refresh rate, as described in Figure 6, touch data corresponding to touch point
Four bits (i.e. bit7, bit6, bit5, bit4 in Fig. 6) are 0 before depositing the first byte of agreement, and the 5th bit is (i.e.
Bit3 in Fig. 6) it is 0, the 5th bit is that the 0 no finger of expression carries out touch control operation, and the 6th bit is (i.e. in Fig. 6
Bit2 it is) 0, represents that finger does not carry out touch control operation, the 7th and the 8th bit and touch-control number of the first byte to touch-screen
According to the touch-screen touch coordinate value of the respectively corresponding finger of storage agreement others byte, the contact area of the touch-screen of finger
The touch-screen pressure value of value and finger.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (9)
- A kind of 1. touch-screen with touch data storage agreement, it is characterised in that：Preserved in the memory of the touch-screen Touch data deposits agreement, and each touch point needs six bytes for touch data storage agreement, wherein, preceding four words Five bits of a byte are arbitrarily chosen in section as touch-control identification sequence number, is selected in three bits of residue of byte and appoints State flag bit of one bit of meaning as corresponding touch point；Remaining two ratios outside touch point state flag bit corresponding bit are removed in three bits of residue of above-mentioned selected byte Special and the other three byte is the touch-screen touch-control coordinate storage position of touch point；Remaining 5th byte is the contact area storage position of conductive operation thing and touch-screen in six bytes；Remaining 6th byte is the pressure value storage position of conductive operation thing and touch-screen in six bytes.
- 2. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：It is above-mentioned remaining two The touch-screen touch-control abscissa digit sum that bit and the other three byte are deposited is 13；It is described be left two bits with And the touch-screen touch-control ordinate digit sum that the other three byte is deposited is 13.
- 3. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：It is above-mentioned each touch Six bytes of control point share 48 bits.
- 4. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：The touch-control identification Sequence number is up to 32.
- 5. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：First byte first five Individual bit is touch-control identification sequence number, and the 6th bit of the first byte is the state flag bit of corresponding touch point；7th bit, the 8 bits of the first byte, the second byte, the 3rd byte, nybble of the first byte be The touch-screen touch-control coordinate storage position of touch point；5th byte is the contact area storage position of conductive operation thing and touch-screen；6th byte is the pressure value storage position of conductive operation thing and touch-screen.
- 6. the touch-screen according to claim 5 with touch data storage agreement, it is characterised in that：Above-mentioned first byte The 7th bit deposit position for the touch-screen touch-control abscissa highest order of the touch point, the 8 bits of the first byte are The touch-screen touch-control ordinate highest order storage position of touch point；Second byte deposits position for high 5~12 of the touch-screen touch-control abscissa of the touch point；3rd byte deposits position for high 5~12 of the touch-screen touch-control ordinate of the touch point；Preceding four bits of nybble are the low 4 storages position of touch-screen touch-control abscissa, and rear four bits of nybble are The low 4 storages position of touch-screen touch-control ordinate.
- 7. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：First byte first five Individual bit is touch-control identification sequence number, and the 6th bit of the first byte is the state flag bit of corresponding touch point；7th bit of the first byte deposits position for the touch-screen touch-control abscissa lowest order of the touch point, the first byte 8 bits deposit position for the touch-screen touch-control ordinate lowest order of the touch point；Second byte deposits position for high 6~13 of the touch-screen touch-control abscissa of touch point；3rd byte deposits position for high 6~13 of the touch-screen touch-control ordinate of touch point；Four bits deposit position for low 1~5 of the touch-screen touch-control abscissa of touch point before nybble；Four after nybble Bit deposits position for low 1~5 of the touch-screen touch-control ordinate of touch point.
- 8. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：First byte first five Individual bit is touch-control identification sequence number, and the 6th bit of the first byte is deposited for the touch-screen touch-control abscissa highest order of touch point Put position, the 7th bit of the first byte deposits position for the touch-screen touch-control ordinate highest order of touch point, and the of the first byte 8 bits are the state flag bit of corresponding touch point；Second byte deposits position for high 5~12 of the touch-screen touch-control abscissa of touch point；3rd byte deposits position for high 5~12 of the touch-screen touch-control ordinate of touch point；Four bits deposit position for low 4 of the touch-screen touch-control abscissa of touch point before nybble；Four ratios after nybble Specially for the low 4 storages position of touch-screen touch-control ordinate of touch point.
- 9. the touch-screen according to claim 1 with touch data storage agreement, it is characterised in that：First byte first five Individual bit is touch-control identification sequence number, and the 6th bit of the first byte is the state flag bit of corresponding touch point, the first byte The 7th bit for touch point touch-screen touch-control abscissa highest order deposit position, the 8 bits of the first byte are touch-control The touch-screen touch-control ordinate highest order storage position of point；Four bits deposit position for low 4 of the touch-screen touch-control abscissa of touch point before second byte；Four ratios after second byte Specially for the low 4 storages position of touch-screen touch-control ordinate of touch point；3rd byte deposits position for high 5~12 of the touch-screen touch-control abscissa of touch point；Nybble deposits position for high 5~12 of the touch-screen touch-control ordinate of touch point.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882367A (en) * | 2010-07-29 | 2010-11-10 | 冠捷显示科技（厦门）有限公司 | Wireless remote control device based on ZigBee protocol and use method thereof |
| CN201846445U (en) * | 2010-11-10 | 2011-05-25 | 江苏惠通集团有限责任公司 | Multifunctional digital television control system based on RF4CE (radio frequency for consumer electronics) protocol |
| CN201910039U (en) * | 2010-12-13 | 2011-07-27 | 广州鸿诚电子科技有限公司 | Conversion device for touch screen with drive or without drive |
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2015
- 2015-07-28 CN CN201510451897.4A patent/CN105138162B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882367A (en) * | 2010-07-29 | 2010-11-10 | 冠捷显示科技（厦门）有限公司 | Wireless remote control device based on ZigBee protocol and use method thereof |
| CN201846445U (en) * | 2010-11-10 | 2011-05-25 | 江苏惠通集团有限责任公司 | Multifunctional digital television control system based on RF4CE (radio frequency for consumer electronics) protocol |
| CN201910039U (en) * | 2010-12-13 | 2011-07-27 | 广州鸿诚电子科技有限公司 | Conversion device for touch screen with drive or without drive |
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Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee before: Wuhan Jingce Electronic Technology Co., Ltd. |