TWI787042B - Touch data transmission method, touch data transmission control circuit and information processing device - Google Patents

Abstract

A touch data transmission method of a touch device, which includes: making a touch chip send a first interrupt signal to a host through a first interrupt signal line; The touch chip reads touch data; and the host sends a second interrupt signal to the touch chip through at least one second interrupt signal line after receiving the touch data.

Description

Touch data transmission method, touch data transmission control circuit and information processing device

The present invention relates to a touch device, in particular to a touch data transmission method of a touch device.

Please refer to FIG. 1 , which is a schematic diagram of a touch data transmission method between a conventional touch chip 10 and a host 20 . As shown in Figure 1, when the touch chip 10 detects a touch operation on the screen and needs to report, the touch chip 10 will make an interrupt signal INT active to notify the host 20 to read the touch data, and when the host 20 detects that the interrupt signal INT is active, it will pass the I ² C (inter-integrated circuit; integrated bus circuit) or SPI (serial peripheral interface; serial peripheral interface) communication line from the touch chip 10. Read the touch data.

However, in the above-mentioned entire communication process, if the host 20 fails to respond to the interrupt request of the interrupt signal INT in time, or an error occurs during the transmission of the touch data, resulting in a deadlock, the touch chip 10 has no way of knowing the interrupt request. Some information, thereby reducing communication efficiency.

In order to solve the above problems, there is an urgent need in the art for a novel touch data transmission method of a touch device.

The main purpose of the present invention is to disclose a touch data transmission method of a touch device, which can complete the transmission of touch data by bidirectional interruption between the touch chip and the host, so as to avoid long-term waiting or deadlock. Thereby improving communication efficiency.

Another object of the present invention is to disclose a touch data transmission control circuit, which can avoid long-time waiting or deadlock with the host through the above touch data transmission method, thereby improving communication efficiency.

Another object of the present invention is to disclose an information processing device, which can provide the operator with a smooth touch experience through the above-mentioned touch data transmission control circuit.

To achieve the aforementioned purpose, a touch data transmission method of a touch device is proposed, which includes:

making a touch chip send a first interrupt signal to a host through a first interrupt signal line;

The host reads touch data from the touch chip after receiving the first interrupt signal; and

When the host finishes receiving the touch data, it sends a second interrupt signal to the touch chip through at least one second interrupt signal line.

In one embodiment, when the host detects that a data transmission error occurs in the touch data, it sends a third interrupt signal to the touch chip through the at least one second interrupt signal line.

In one embodiment, both the first interrupt signal and the second interrupt signal are pulse signals.

In one embodiment, the second interrupt signal includes a first number of pulses, the third interrupt signal includes a second number of pulses, and the first number is different from the second number.

In one embodiment, the second interrupt signal includes a pulse of a first width, the third interrupt signal includes a pulse of a second width, and the first width is different from the second width.

To achieve the aforementioned purpose, the present invention further proposes a touch data transmission control circuit, which has a touch chip and a host to implement a touch data transmission method, the method comprising:

making the touch chip send a first interrupt signal to the host through a first interrupt signal line;

The host reads touch data from the touch chip after receiving the first interrupt signal; and

When the host finishes receiving the touch data, it sends a second interrupt signal to the touch chip through at least one second interrupt signal line.

In one embodiment, when the host detects that a data transmission error occurs in the touch data, it sends a third interrupt signal to the touch chip through the at least one second interrupt signal line.

In one embodiment, both the first interrupt signal and the second interrupt signal are pulse signals.

In one embodiment, the second interrupt signal includes a first number of pulses, the third interrupt signal includes a second number of pulses, and the first number is different from the second number.

In one embodiment, the second interrupt signal includes a pulse of a first width, the third interrupt signal includes a pulse of a second width, and the first width is different from the second width.

To achieve the aforementioned purpose, the present invention further proposes an information processing device, which has a touch display device, wherein, the touch display device has a touch module, a display module and the aforementioned touch data transmission control circuit .

In a possible embodiment, the display module can be a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting diode display module or an organic light emitting diode Display mods.

In a possible embodiment, the information processing device may be a smart phone, a portable computer, a vehicle computer, a wearable electronic device or an advertising billboard.

In order to enable your review committee members to further understand the structure, features and purpose of the present invention, drawings and detailed descriptions of preferred specific embodiments are hereby attached.

Please refer to FIG. 2 , which is a block diagram of an embodiment of the touch data transmission control circuit of the present invention. As shown in FIG. 2 , a touch data transmission control circuit 100 has a touch chip 110 and a host 120 to execute a touch data transmission program, the touch data transmission program includes:

(1) Make the touch chip 110 send a first interrupt signal INT1 to the host 120 through a first interrupt signal line 111;

(2) The host 120 reads touch data from the touch chip 110 after receiving the first interrupt signal INT1; and

(3) After receiving the touch data, the host 120 sends a second interrupt signal INT2 to the touch chip 110 through at least one second interrupt signal line 121 to inform the touch chip 110 that it has finished receiving the touch data.

In addition, when the host 120 detects that a data transmission error occurs in the touch data, it can send a third interrupt signal INT3 to the touch chip 110 through the at least one second interrupt signal line 121 to notify the touch chip 110 The information is incorrect.

In addition, both the first interrupt signal INT1 and the second interrupt signal INT2 can be pulse signals.

In addition, the second interrupt signal INT2 may include a first number of pulses, the third interrupt signal INT3 may include a second number of pulses, and the first number is different from the second number.

In addition, the second interrupt signal INT2 may include a pulse of a first width, the third interrupt signal INT3 may include a pulse of a second width, and the first width is different from the second width.

According to the above description, the present invention provides a touch data transmission method of a touch device. Please refer to FIG. 3 , which shows a flow chart of an embodiment of the touch data transmission method of the touch device of the present invention. As shown in Figure 3, the method includes: making a touch chip send a first interrupt signal to a host through a first interrupt signal line (step a); The touch chip reads touch data (step b); and the host sends a second interrupt signal to the touch chip through at least one second interrupt signal line after receiving the touch data (step c).

In addition, in step c, when the host detects that a data transmission error occurs in the touch data, it can send a third interrupt signal to the touch chip through the at least one second interrupt signal line to notify The touch chip data is incorrect.

In addition, in the above steps, the first interrupt signal, the second interrupt signal, and the third interrupt signal may all be pulse signals.

In addition, in the above steps, the second interrupt signal may include a first number of pulses, the third interrupt signal may include a second number of pulses, and the first number is different from the second number.

In addition, in the above steps, the second interrupt signal may include a pulse of a first width, the third interrupt signal may include a pulse of a second width, and the first width is different from the second width.

According to the above description, the present invention further proposes a 12 . Please refer to FIG. 4 , which shows a block diagram of an embodiment of an information processing device of the present invention. As shown in FIG. 4, an information processing device 200 has a touch display device 210, wherein the touch display device 210 has a touch module 211, a display module 212 and a touch data transmission control circuit 213, wherein , the touch data transmission control circuit 213 is realized by the touch data transmission control circuit 100 .

In addition, the touch module 211 can be a capacitive or optical touch module, and the display module 212 can be a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting Diode display module or an organic light emitting diode display module, and the touch module 211 can be integrated in the display module 212; and the information processing device 200 can be a smart phone, a portable computer, A vehicle computer, a wearable electronic device or an advertising billboard.

With the design disclosed above, the present invention has the following advantages:

1. The touch data transmission method of the touch device of the present invention can complete the transmission of touch data between the touch chip and the host in a bidirectional interrupt mode, so as to avoid long-term waiting or deadlock, thereby improving communication efficiency.

2. The touch data transmission control circuit of the present invention can avoid long-time waiting or deadlock with the host through the above touch data transmission method, thereby improving communication efficiency.

3. The information processing device of the present invention can provide the operator with a smooth touch experience through the above-mentioned touch data transmission control circuit.

What is disclosed in this case is a preferred embodiment. For example, any partial changes or modifications derived from the technical ideas of this case and easily deduced by those who are familiar with the technology are within the scope of the patent right of this case.

To sum up, regardless of the purpose, means and efficacy of this case, it shows that it is very different from the conventional technology, and its first invention is practical, and it does meet the patent requirements of the invention. I implore your review committee to understand it clearly and grant a patent as soon as possible. Society is for the Most Prayer.

10: Touch chip 20: Host 100: Touch data transmission control circuit 110: Touch chip 111: the first interrupt signal line 120: Host 121: The second interrupt signal line 200: information processing device 210: touch display device 211:Touch module 212: Display module 213: Touch data transmission control circuit Step a: Make a touch chip send a first interrupt signal to a host through a first interrupt signal line Step b: the host reads touch data from the touch chip after receiving the first interrupt signal Step c: the host sends a second interrupt signal to the touch chip through at least one second interrupt signal line after receiving the touch data

FIG. 1 is a schematic diagram of a touch data transmission method between a conventional touch chip and a host. FIG. 2 is a block diagram of an embodiment of a touch data transmission control circuit of the present invention. FIG. 3 is a flowchart of an embodiment of a touch data transmission method of a touch device according to the present invention. FIG. 4 is a block diagram of an embodiment of an information processing device of the present invention.

Step a: Make a touch chip send a first interrupt signal to a host through a first interrupt signal line

Step b: the host reads touch data from the touch chip after receiving the first interrupt signal

Step c: the host sends a second interrupt signal to the touch chip through at least one second interrupt signal line after receiving the touch data

Claims (13)

A touch data transmission method of a touch device, comprising: making a touch chip send a first interrupt signal to a host through a first interrupt signal line; The host reads touch data from the touch chip after receiving the first interrupt signal; and When the host finishes receiving the touch data, it sends a second interrupt signal to the touch chip through at least one second interrupt signal line. The touch data transmission method of a touch device as described in item 1 of the patent scope of the application, wherein, when the host detects that a data transmission error occurs in the touch data, the at least one second interrupt signal line is used Send a third interrupt signal to the touch chip. According to the touch data transmission method of a touch device described in item 1 of the scope of the patent application, the first interrupt signal and the second interrupt signal are both pulse signals. The touch data transmission method of a touch device as described in item 2 of the scope of patent application, wherein the second interrupt signal includes a first number of pulses, the third interrupt signal includes a second number of pulses, and the The first number is different from the second number. The touch data transmission method of a touch device as described in item 2 of the scope of patent application, wherein the second interrupt signal includes a pulse of a first width, the third interrupt signal includes a pulse of a second width, and the The first width is different from the second width. A touch data transmission control circuit has a touch chip and a host to realize a touch data transmission method, the method comprising: making the touch chip send a first interrupt signal to the host through a first interrupt signal line; The host reads touch data from the touch chip after receiving the first interrupt signal; and When the host finishes receiving the touch data, it sends a second interrupt signal to the touch chip through at least one second interrupt signal line. The touch data transmission control circuit described in item 6 of the scope of the patent application, wherein, when the host detects that a data transmission error occurs in the touch data, it sends a first interrupt signal line through the at least one second interrupt signal line Three interrupt signals to the touch chip. The touch data transmission control circuit described in item 6 of the scope of the patent application, wherein the first interrupt signal and the second interrupt signal are both pulse signals. The touch data transmission control circuit described in item 7 of the scope of the patent application, wherein the second interrupt signal includes a first number of pulses, the third interrupt signal includes a second number of pulses, and the first number of pulses different from the second number. The touch data transmission control circuit described in item 7 of the scope of the patent application, wherein the second interrupt signal includes a pulse with a first width, the third interrupt signal includes a pulse with a second width, and the first width different from the second width. An information processing device, which has a touch display device, wherein, the touch display device has a touch module, a display module, and the touch control device described in any one of items 6 to 10 of the scope of patent application Data transmission control circuit. The information processing device as described in item 11 of the scope of the patent application, wherein the display module is composed of a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting diode display module A display module selected from the group formed by the group and an organic light emitting diode display module. The information processing device described in item 11 of the scope of the patent application is one selected from the group consisting of a smart phone, a portable computer, a vehicle-mounted computer, a wearable electronic device and an advertising billboard device.

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