CN104133708A - Resistance-type multi-touch computer operating system - Google Patents
Resistance-type multi-touch computer operating system Download PDFInfo
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- CN104133708A CN104133708A CN201410379884.6A CN201410379884A CN104133708A CN 104133708 A CN104133708 A CN 104133708A CN 201410379884 A CN201410379884 A CN 201410379884A CN 104133708 A CN104133708 A CN 104133708A
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Abstract
The invention aims to provide a resistance-type multi-touch computer operating system. The resistance-type multi-touch computer operating system comprises a multipoint resistance-type sensor (1), a signal converter (2) and a computer operating system body (4) and is characterized in that a resistance-type signal processor (3) is respectively connected with the signal converter (2) and the computer operating system (4). Due to the fact that resistance-type touch takes place of capacitance-type touch, multi-touch operations can be carried out on a screen, besides, the operations can be carried out in water, and accordingly the use range of the computer operating system is greatly widened and operation procedures are simplified.
Description
Technical field
The present invention relates to a kind of resistance-type multiple point touching computer operating system.
Background technology
Traditional computing machine resistive touch operating system, its conductive layer is that the ITO of a uniform fold forms, and can not carry out multiple point touching operation, can not in water, use.
Summary of the invention
The object of this invention is to provide a kind of resistance-type multiple point touching computer operating system, it comprises: multipoint resistance type sensor (1), signal converter (2), computer operating system (4), is characterized in that: resistance-type signal processor (3) is connected with signal converter (2), computer operating system (4) respectively.Multipoint resistance type sensor (1), signal converter (2) are provided by U.S. SIMA Systems company, and its technology is open by United States Patent (USP): US 5563381, US 20090009482, US 20080296073.The structure that this system is different from traditional electrical resistive touch-screen is: upper and lower conductive layers forms by organizing ITO resistor stripe respectively more, and intersects vertically and combine.Computer operating system (4) is traditional.Because native system is resistance-type computing machine touch operation system, its resistance-type signal processor (3) is processed is by two groups of cross one another ITO resistor stripes in length and breadth, by pressing the signal that produces screen deformation and cause resistance to change, so can form multiple spot, the resistive voltage formula signal processor of touch operation and traditional condenser type signal processor are essentially different simultaneously.Multipoint resistance type sensor (1) passes to signal converter (2) by multi-point electric resistance signal, at this, converts digital signal to, and this signal must could be connected with computer operating system (4) through the special processing of resistance-type signal processor of the present invention (3).
Above-mentioned resistance-type computing machine touch operation system can be specific like this, it is characterized in that:
The working procedure of resistance-type signal processor (3): system initialization (5) connecting resistance formula signal processor initialization (6), resistance-type signal processor initialization (6) connects data and effectively judges (7), data effectively judge that (7) connect after dormancy (8), return data effectively judges (7), data effectively judge (7) connecting resistance formula signal processor data (9), resistance-type signal processor data (9) connect multiple spot recognition and tracking, multistage pressure algorithm (10), multiple spot recognition and tracking, multistage pressure algorithm (10) connects to return data after destination OS report (11) and effectively judges (7).
Wherein, multiple spot recognition and tracking, multistage pressure algorithm (10) have comprised: receiving and analyzing resistance-type signal processor packet (16) connects automatic checker (17), automatic checker (17) connects merge algorithm (18), and merge algorithm (18) connects tracing algorithm (19).
The working procedure of resistance-type signal processor (3) illustrates: first executive system initialization (5), and initialization correlated variables and peripheral hardware initialization, then, resistance-type signal processor initialization (6), makes it drive multipoint resistance type sensor.Program enters cycle criterion and whether receives valid data (7), if invalid data, system enters dormancy (8), if data are effective, enter and receive resistance-type signal processor data (9), raw data is imported to multiple spot recognition and tracking, multistage pressure algorithm (10), through the processing of algorithm, data-switching is become to meet to the multipoint data of operating system standard, offer destination OS report (11).Completed after the processing of an effective data packets, turned back to and whether receive in valid data (7) judgement circulation.Wherein multiple spot recognition and tracking, multistage pressure algorithm (10) have comprised: receiving and analyzing resistance-type signal processor packet (16), has comprised the ranks number of each point, the magnitude of voltage of ranks, the parameters such as the resistance value of ranks in packet.According to these parameters, can draw XY coordinate and the force value Z of each point; Then enter automatic checker (17), its principle is to preserve the minimum and maximum magnitude of voltage on crossing four limits, region (Cell) of each XY resistor stripe, for calculating the XY coordinate in each Cell; Then enter merge algorithm (18), object is that the point in predetermined distance is merged into a point, and XY coordinate average algorithm, adds up the resistance value of each point, for realizing force value; Enter tracing algorithm (19), specific algorithm is: the corresponding array of each finger, deposit the mobile historical data of each finger, whenever receiving the data of a new point, according to the algorithm of minor increment, current some conclusion and in its nearest finger, if distance is greater than the value of setting, just regenerate a new finger array, thereby realize multi-touch function; Finally return to again receiving and analyzing resistance-type signal processor packet (16).
A using method for resistance-type multiple point touching computer operating system, is characterized in that: system is placed in to water and carries out application operating.Because native system is to produce screen deformation and cause resistance to change the signal producing by pressing, it can not be subject to the interference of electrolyte in water (especially in seawater) and afunction as capacitive sensing shields.So operation that can move in water.
A using method for resistance-type multiple point touching computer operating system, is characterized in that: system is carried out the identifying operation of different pressures on the touch-screen of resistance sensor (1).Because native system is to cause upper layer film generation deformation by pressing, the contact area of itself and lower membrane or glass is changed, by resistance value and the magnitude of voltage of measurements and calculations contact area, thereby realize the identification of different pressures.
A using method for resistance-type multiple point touching computer operating system, is characterized in that: system is carried out multiple spot identifying operation (for example 3 fingers being contacted to touch-screen simultaneously) on the touch-screen of resistance sensor (1).The connection in series-parallel matrix that can be equivalent to the four-wire ohm unit of a plurality of single-point identification functions due to native system connects, and when each finger touches respectively different four-wire ohm unit, and coordinates scan mechanism, just can realize the function that multiple spot is identified simultaneously.
Above-mentioned a kind of resistance-type multiple point touching computer operating system, can be perfect like this, it is characterized in that: Serial Peripheral Interface (SPI) (12) and two-way connection of signal converter (2), Serial Peripheral Interface (SPI) (12) and two-way connection of computer operating system (4), Serial Peripheral Interface (SPI) (12) again with two-way connection of resistance-type signal processor (3).Resistance-type signal processor (3) connects signal converter (2) by Serial Peripheral Interface (SPI) (12), obtain touch data, processing through resistance-type signal processor (3), by Serial Peripheral Interface (SPI) (12), the touch data that meets operating system is sent to computer operating system (4) again.Serial Peripheral Interface (SPI) (12) comprising: I2C, SPI, usb bus interface.
The present invention is owing to having adopted resistance-type sense of touch to replace condenser type sense of touch, thus not only can on screen, carry out multiple point touching operation, and operation can be expanded in water.Thereby greatly expanded the scope of using, and simplified the program of operation.
Accompanying drawing explanation
The block diagram of Fig. 1, system of the present invention.
The logic block-diagram of Fig. 2, resistance-type signal processor of the present invention operation.
The structural representation of Fig. 3, resistance touch sensitive screen of the present invention.
The syndeton schematic diagram of Fig. 4, several operation systems of the present invention.
Fig. 5, multiple spot recognition and tracking, multistage pressure algorithm operation block scheme.
Fig. 6, receiving and analyzing resistance-type signal processor packet algorithm flow chart.
Fig. 7, merge algorithm process flow diagram.
Fig. 8, automatic Verification algorithm flow chart.
Embodiment
As shown in Figure 1,
Resistance-type signal processor (3) is connected with signal converter (2), computer operating system (4) respectively.Resistance-type signal processor (3) is: PIC32MX250F128B, signal converter (2) is SIMA TIC32, computer operating system (4) is Windows 7, Windows 8, WinCE, Android, Linux multipoint resistance type sensor (1) is the product of quoting US Patent No. 5563381, US 20090009482, US 20080296073.
As shown in Fig. 2, Fig. 5,
The working procedure of resistance-type signal processor (3): the working procedure of resistance-type signal processor (3): first executive system initialization (5), initialization correlated variables and peripheral hardware initialization, then, resistance-type signal processor initialization (6), makes it drive multipoint resistance type sensor.Program enters cycle criterion and whether receives valid data (7), if invalid data, system enters dormancy (8), if data are effective, enter and receive resistance-type signal processor data (9), raw data is imported to multiple spot recognition and tracking, multistage pressure algorithm (10), through the processing of algorithm, data-switching is become to meet to the multipoint data of operating system standard, offer destination OS report (11).Completed after the processing of an effective data packets, turned back to and whether receive in valid data (7) judgement circulation.Multiple spot recognition and tracking, multistage pressure algorithm (10) have comprised: receiving and analyzing resistance-type signal processor packet (16), connect automatic checker (17), automatic checker (17) connects merge algorithm (18), and merge algorithm (18) connects tracing algorithm (19).
As shown in Figure 3,
multipoint resistance type touch screen Sensor
structure: have upper and lower two-layer transparent uniform ITO film (1) and film (2) to form, conducting surface fits together relatively, between them, by evenly distributed transparent lattice point, is separately insulated.Lower floor can be ito glass, and upper strata can be ito thin film.
principle:apply voltage alternately to the two-layer resistor stripe mutually intersecting vertically, when certain pressure touches, cause upper strata ITO generation deformation and the ITO of lower floor to come in contact, to obtain X, Y coordinate.Each X, Y resistor stripe intersecting area is equivalent to 4 line resistance screens, can only identify single-point.Multi-point electric resistance screen is equivalent to 4 line resistance screen arrays, coordinates scan mechanism, realizes multiple point touching.
So it is because native system is to produce screen deformation and cause resistance to change the signal producing by pressing that system can be carried out application operating in water, it can not be subject to the interference of electrolyte in water (especially in seawater) and afunction as capacitive sensing shields.So operation that can move in water.
As shown in Figure 4,
Above-mentioned a kind of resistance-type computing machine touch operation system, can be perfect like this, it is characterized in that: resistance-type signal processor (3) connects signal converter (2) by Serial Peripheral Interface (SPI) (12), resistance-type signal processor (3), by Serial Peripheral Interface (SPI) (12), connects computer operating system (4) simultaneously.Serial Peripheral Interface (SPI) (12) comprising: I2C, SPI, usb bus interface.
System is placed in to water and carries out application operating.Waterproof panel computer with this system, can be applied to underwater operation, the problem that capacitance touch system cannot operate can not occur.Habitata instrument for example, the touch apparatus of dressing under water.
System is carried out the identifying operation of different pressures on the touch-screen of resistance sensor (1).The car race game of developing under Android environment, with the flat board of this system, that can point by detection realizes the conversion of racing car gear without pressure, thereby realizes the operations such as the acceleration of automobile and slowing-down brake.
System is carried out multiple spot identifying operation on the touch-screen of resistance sensor (1).The watermelon of cutting of developing under Android environment is played, and with the flat board of this system, can identify 10 fingers simultaneously fast in the movements of touch-screen, makes user have good operating experience.
As shown in Figure 6,
20: receive
21:Touch count=0, gets next byte;
22: 0xff;
23: dormancy;
24: preserve line number, get next byte;
25: preserve column voltage value LSB, get next byte;
26: preserve column voltage value MSB, get next byte;
27: preserve row resistance value LSB, get next byte;
28: preserve row resistance value MSB, get next byte;
29: preserve row number, get next byte;
30: preserve row magnitude of voltage LSB, get next byte;
31: preserve row magnitude of voltage MSB, get next byte;
32: preserve row resistance value LSB, get next byte;
33: preserve row resistance value MSB, get next byte;
34:Touch Count++, every some data of standardization;
35: automatic Verification;
36: Y;
37: N;
As shown in Figure 7,
38: present frame is single-point;
39: present frame is 2 points;
40: adjacent two Cell;
41: previous frame is 2 points;
42: adjacent two Cell;
43: adjust edge value;
44: identical 2 points;
45: overtime;
46: touch super scope;
47: previous frame=1;
48: previous frame=0;
49: previous frame=2;
50: automatic Verification;
51: previous frame is 1 point;
52: merge algorithm;
53: Y
54: N
As shown in Figure 8,
55: z[i]=0;
56: z[j]=0;
57: |y[i]-y[j] | < PPS/2;
58: |x[i]-x[j] | < PPS/2;
59: x[i]=(x[i]*n+x[j])/(n+1), y[i]=(y[i]*n+y[j])/(n+1),
z[i]= z[i]+z[j], z[j]=0, n = n+1;
60: j = j+1;
61: j<touch count;
62: j=i+2,i=i+1,n=1;
63: i<touch count;
64: tracing algorithm;
65: merge algorithm;
66: i=0, j=1, n=1;
77: N;
88: Y。
Claims (7)
1. a resistance-type multiple point touching computer operating system, it comprises: multipoint resistance type sensor (1), signal converter (2), computer operating system (4), is characterized in that: resistance-type signal processor (3) is connected with signal converter (2), computer operating system (4) respectively.
2. a kind of resistance-type multiple point touching computer operating system according to claim 1, it is characterized in that: the working procedure of resistance-type signal processor (3): system initialization (5) connecting resistance formula signal processor initialization (6), resistance-type signal processor initialization (6) connects data and effectively judges (7), data effectively judge that (7) connect after dormancy (8), return data effectively judges (7), data effectively judge (7) connecting resistance formula signal processor data (9), resistance-type signal processor data (9) connect multiple spot recognition and tracking, multistage pressure algorithm (10), multiple spot recognition and tracking, multistage pressure algorithm (10) connects to return data after destination OS report (11) and effectively judges (7).
3. a kind of resistance-type multiple point touching computer operating system according to claim 2, it is characterized in that: multiple spot recognition and tracking, multistage pressure algorithm (10) have comprised: receiving and analyzing resistance-type signal processor packet (16) connects automatic checker (17), automatic checker (17) connects merge algorithm (18), and merge algorithm (18) connects tracing algorithm (19).
4. a using method for a kind of resistance-type multiple point touching computer operating system described in claim 1 or 2 or 3, is characterized in that: system and device is carried out in water to application operating.
5. a using method for a kind of resistance-type multiple point touching computer operating system described in claim 1 or 2 or 3, is characterized in that: system and device carries out the identifying operation of different pressures on the touch-screen of resistance sensor (1).
6. a using method for a kind of resistance-type multiple point touching computer operating system described in claim 1 or 2 or 3, is characterized in that: system is carried out multiple spot identifying operation on the touch-screen of resistance sensor (1).
7. a kind of resistance-type computing machine touch operation system according to claim 1 and 2, it is characterized in that: Serial Peripheral Interface (SPI) (12) and two-way connection of signal converter (2), Serial Peripheral Interface (SPI) (12) and two-way connection of computer operating system (4), Serial Peripheral Interface (SPI) (12) again with two-way connection of resistance-type signal processor (3).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104516612A (en) * | 2014-12-29 | 2015-04-15 | 联想(北京)有限公司 | Switching data collecting method, touch input device and user equipment |
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