TWI424331B - Electronic device with wireless isochronous transmission function - Google Patents

Description

Electronic device with wireless isochronous transmission function

The present invention relates to an electronic device with a wireless transmission function, and more particularly to an electronic device capable of combining a human-machine interface operation request data, a playback request data, and a recording request data into a single packet for transmitting a wireless isochronous transmission function. Device.

In summary, most of the computer peripheral wireless products currently on the market are presented by wireless keyboard, mouse function or pure wireless earphone microphone, and the two are not combined into a single product. This is due to the fact that the time required for the command of the human-machine interface such as keyboard and mouse is longer (the host will issue a request for data every 8 milliseconds) and the amount of data is very small, for example: the mouse only needs 4Bytes, keyboard requires 3Bytes and multimedia entertainment control keys require 2Bytes. Therefore, the products used to perform wireless transmission of the keyboard, mouse and multimedia entertainment control keys are converted to about 9000 bits per second, and the transmission density of the data amount is relatively low.

In the case of a user who wants to transmit stereo music, the time required to request the data is relatively short (the Isochronous transmission request is sent every 1 millisecond by the host) and the amount of data is very large, for example: Le needs to transmit 141,200,000 bits per second, and the transmission density of data is more significant than the former. In addition, the traditional wireless keyboard, mouse and multimedia entertainment control keys use the transfer chip to transfer music, not to mention the need to simultaneously record.

In view of this, the transmission chips used in the wireless earphone microphones currently on the market have the advantages of high data transmission rate, and the cost required is relatively increased. For example, the current wireless Bluetooth music module or purely wireless music transmission chip is used to deal with sound effects and is expensive, and it is impossible to add the human interface information that you want to transmit, so it can only It is a pity that it is simply used as a wireless music transmission.

As stated, in order to solve the above problems of the prior art, the present invention proposes a device for embedding music and recording transmission in a device of a wireless human-machine interface, which uses a low-cost transmission chip and is transmitted with a wireless isochronous packet transmission. The technology of the agreement is to enable the user and the computer to achieve the purpose of simultaneously transmitting the human-machine interface information, listening to stereo music and recording materials.

In summary, the present invention is directed to problems derived from conventional techniques. One of them is to provide an electronic device with wireless isochronous transfer function to solve the problems of the prior art.

Therefore, the electronic device with wireless isochronous transmission function of the present invention comprises an electronic system device, a first wireless transmission unit and a second wireless transmission unit. The first wireless transmission unit is electrically connected to the electronic system device, and the second wireless transmission unit transmits data to and from the first wireless transmission unit in a wireless isochronous transmission manner. In addition, the electronic system device first packetizes a first request to the second wireless transmission unit by transmitting a request data by the first wireless transmission unit. In contrast, the second wireless transmission unit transmits a second packet of a reply data to the first wireless transmission unit in response to the request data; and thus the first wireless transmission unit transmits the reply data to the electronic system device. The requested data includes the man-machine interface operation request data, the playback request data, and the recording request data, and the reply data includes the human-machine interface operation reply data and the recording reply data.

Overall, the main technical means presented by the electronic device with wireless isochronous transmission function of the present invention is that the data packet component belonging to the first wireless transmission unit at the electronic system device end is received by the electronic system device. The man-machine interface operation request data, the playback request data, and the recording request data are temporarily recorded. When the SOF (Start Of Frame) packet is received, the request data is merged and integrated into the first. The packet is sent to the second wireless transmission unit taken by the remote user to complete the transmission process of the requested data. Furthermore, the second wireless transmission unit further includes a requesting execution unit to receive the first packet transmitted by the first wireless transmission unit and parse it into the request material.

Further, on the other hand, another main technical means for further overlaying the present invention is that the data integration component of the second wireless transmission unit at the user end combines the human-machine interface operation reply data and the recording reply data into a second. The packet is transmitted to the first wireless transmission unit to complete the transmission of the reply data. Moreover, the first wireless transmission unit further includes a packet transmitting component to receive the second packet transmitted by the data integration component, and parses the data into a reply data. Finally, the reply data is sent back to the electronic system device.

It is also worth mentioning that usually the electronic system device side will require separate recording, playback or simultaneous recording and playback in 1 millisecond (ms). However, since the recording and playback requests do not arrive at the first wireless transmission unit at the same time, we must do everything we can to collect the two recording and playback requests and combine them in the same request packet. In view of this, the method of the present invention first records the recording and playback request, and then integrates into the first packet when the SOF (Start Of Frame) packet arrives, and transmits it to the second wireless transmission unit of the user end. The man-machine interface operation request data is processed in the first wireless transmission list. The 8-terminal timer is executed internally. When the number reaches 8 milliseconds, the man-machine interface operation request data is temporarily recorded. When the SOF packet arrives, the first packet is integrated into the first packet and the man-machine interface operation is temporarily recorded. Request information. Therefore, if a simultaneous recording and playback request is encountered, the first packet simultaneously integrates the manipulator interface operation request data, the recording request data, and the playback request data, and transmits the same to the second wireless transmission unit of the user end.

According to the above explanation, the electronic device with wireless isochronous transmission function of the present invention may have one or more of the following advantages:

(1) An electronic device having a wireless isochronous transmission function according to the present invention, which uses a low-cost wireless transceiver chip (NRF24L01), and is combined with a wireless device for interfacing operation request data, playback request data, and recording request data. The technology of isochronous packet transmission protocol enables the user and the computer to use the device to achieve the purpose of simultaneously operating the human-machine interface data, listening to stereo music and recording.

(2) The electronic device having the wireless isochronous transmission function according to the present invention can be applied to various situations, such as when using Skype and MSN, when using a car computer, and when using a television to access the Internet.

(3) According to the electronic device with wireless isochronous transmission function of the present invention, all data transmission processes are encrypted.

(4) According to the present invention, the electronic device having the wireless isochronous transmission function can automatically hop the frequency if there is interference during the data transmission.

(5) The electronic device having the wireless isochronous transmission function according to the present invention can combine the man-machine interface operation request data, the sound reproduction request data, and the recording request data into a single packet for transmission.

(6) The electronic device with the wireless isochronous transmission function according to the present invention has the economic benefit of power saving because it only needs to be sent and received twice in one transmission interval.

First of all, Chen Ming, in order to follow the related drawings, will describe the main embodiment of the electronic device with wireless isochronous transmission function of the present invention. For the sake of easy understanding, the same components in the embodiments are denoted by the same reference numerals, and the description will be made.

In view of this, please refer to FIG. 1 , which is a schematic diagram of an electronic device with wireless isochronous transmission function of the present invention. As shown in FIG. 1 , the electronic device with wireless isochronous transmission function of the present invention comprises: an electronic system device 1, a first wireless transmission unit (USB Dongle) 2 and a second wireless transmission unit 3. In detail, the first wireless transmission unit 2 is electrically connected to the electronic system device 1, and the second wireless transmission unit 3 transmits data to and from the first wireless transmission unit 2 in a wireless isochronous transmission manner.

In addition, the electronic system device 1 transmits a first packet of a request data to the second wireless transmission unit by using the first wireless transmission unit 2 3. According to this, the second wireless transmission unit 3 transmits a second packet of a reply data to the first wireless transmission unit 2 in response to the request data; that is, the first wireless transmission unit 2 transmits the reply data to the electronic system. Device 1. Specifically, the first wireless transmission unit 2 and the second wireless transmission unit 3 further use a low-cost wireless transceiver chip (NRF24L01) 30 to transmit and receive data, whether it is the first packet or the second packet. In detail, the wireless transceiver chip 30 is characterized in that the amount of data that can transmit the maximum limit packet is 32 Bytes, and the time interval for each packet transmission is between 930 and 980 microseconds (μs), and it is hoped that it can be maintained. Within 1000 microseconds (equal to 1 millisecond).

As mentioned above, the request data includes the HID (Human Interface Device) operation request data, the playback request data, and the recording request data, and the reply data includes the human machine interface operation reply data and the recording reply data. It is emphasized that in order to be able to simultaneously transmit the operation data and recording and playback data of each human-machine interface, the present invention is based on the use of a low-cost wireless transceiver chip 30, and proposes a data packet technology, thereby dispersing the original man-machine. The interface operation request data (such as a keyboard request, a mouse request or a multimedia entertainment key request), the playback request data, and the recording request data are simultaneously merged into one first packet, and the external speaker is connected by the second wireless transmission unit 3. Play music or use its external microphone to record audio tracks. However, the technology presented by the second packet is also the same, so the present invention replaces the original transmission of the request data by this data packet technology. Accordingly, the electronic device with wireless isochronous transmission function of the present invention optimizes the bandwidth usage rate of the entire wireless transmission, and the preferred usage scenarios are as follows:

The first use situation: the user can listen to music and record and play while controlling the computer at the remote end, so that the Skype and MSN conversation application and the typing transmission message can be achieved by the device of the invention. The specific system is connected to the second wireless transmission unit 3, and the first wireless transmission unit 2 is connected to the computer, so that the computer can transmit data through the wireless isochronous manner with the speaker.

The second use scenario: the first wireless transmission unit 2 of the present invention is inserted into the vehicle computer, and the passenger of the rear seat can use the second wireless transmission unit 3 to wirelessly control the mouse and the keyboard in the vehicle computer screen. In this way, the user can listen to the music played by the car computer through wireless transmission, thereby avoiding affecting others.

The third use scenario: in the future, home and home can access the Internet via TV, and TV becomes a chat or conference system with video and audio functions. Therefore, in the use of the electronic device with the wireless isochronous transmission function of the present invention, the purpose of the multi-function remote remote control television and the computer can be easily achieved.

In summary, the electronic system device 1 can be an electronic device such as a desktop computer, a notebook computer, a car computer, an electronic game device, a television, or a smart phone. The first wireless transmission unit 2 can be connected to the electronic system device 1 in a USB connection manner. However, for convenience of use, it is merely by way of example and not limitation.

Repeatedly, please refer to FIG. 2, which is a system block diagram of an electronic device with wireless isochronous transmission function of the present invention. As shown in FIG. 2, the first wireless transmission unit 2 includes a data packet component (Packet). The data packet component 23 is configured to receive the request data sent by the electronic system device 1 and integrate it into a first packet, and finally the data packet component 23 transmits the first packet to the second wireless transmission unit. 3. In other words, the above packet transmission technology can be stated as follows:

(1) First, the electronic system device 1 can transmit a human-machine interface operation request data to a human-machine interface management component (HID Manager) 21 (path a, from the electronic system device 1 to the human-machine interface management component 21), and also transmit a recording. The request data (path b, from the electronic system device 1 to the data isochronous management manager (Isochronous Stream Manager) 22) and the playback request data (path c) to the data isochronous management element 22. It is worth noting that path a and path b can send data in both directions, but there are different directions for different timings. In summary, when the request data is involved, the direction of the path is from the electronic system device 1 to the first wireless transmission unit 2; conversely, when the reply data is involved, the direction of the path is from the first wireless transmission unit 2 to the electronic system device 1.

(2) Next, the human interface management component 21 transmits the human interface operation request data to the data packet component 23 (path d), and the data isochronous management component 22 also records the recording request data (path e) and playback. The data (path f) is requested to be transmitted to the data packet component 23. If so, the data packet component 23 integrates the data into the first packet and transmits it to the second wireless transmission unit 3 (path g) to complete the transmission process of the request data.

In addition, the second wireless transmission unit 3 includes a request The execution component 34, the Request Execution unit 34 is configured to receive the first packet transmitted by the first wireless transmission unit 2 and parse it into the request material. In fact, the second wireless transmission unit 3 further includes a human interface scanning component 31. The human interface scanning component (HID Scan) 31 is configured to scan whether the parsed request data includes the human interface operation request data (path h). ). Assume that the request data includes the man-machine interface operation request data, and the user can input the human-machine interface scanning component 31 (path k) by inputting the human-machine interface by using an external operation component.

At the same time, the second wireless transmission unit 3 further includes a recording and playback component 32. If the request data includes the recording request data, the recording and playback component 32 is recorded by the external microphone to record the recording data (path i- -> path l). Similarly, if the request data includes the playback request data, the recording and playback component 32 plays the playback request data (path j-->path m) by means of an external speaker.

In summary, the second wireless transmission unit 3 further includes a data integration component 33, and the human interface scanning component 31 can transmit the input human interface operation reply data to the data integration component 33 (path n). In addition, the recording and playback component 32 can also transmit the input recorded recording response data to the data integration component 33 (path o). The data integration component 33 integrates the input reply data into a second packet and transmits it to the first wireless transmission unit 2 (path p) to complete the transmission process of the reply data.

Furthermore, the first wireless transmission unit 2 further includes a The packet transmitting component 24 is configured to receive the second packet transmitted by the data integration component 33 of 3 and parse it into a reply data. In a word, if the reply data includes the man-machine interface operation reply data, after the packet sending component 24 parses the data, it is transmitted to the human-machine interface management component 21 (path q), and finally sent back to the electronic system device 1 ( The path a is from the human-machine interface management element 21 to the electronic system device 1). In the same way, if the reply data includes recorded recording reply data, after the packet transmitting component 24 is analyzed, it is transmitted to the data processing component (path r), and finally sent back to the electronic system device 1 (path b, from the data isochronous management element to the electronic system device 1).

For a more complete explanation, please refer to FIG. 3A and FIG. 3B, which are respectively a system block diagram of the request data transmission of the electronic device with wireless isochronous transmission function of the present invention and the wireless isochronous transmission of the present invention. System block diagram of the reply data transmission of the functional electronic device. As shown in FIG. 3A, the request data transmitted by the data packet component 23 and the data management interface 21 and the data isochronous management interface are as described above, and are not described herein. It is worthwhile for the first wireless transmission unit 2 to include a first control field device 25 for obtaining device coding, packet coding, frequency hopping request, and For encrypting the message and the like, the data packet component 23 further combines the request data and the device code, the packet code, the frequency hopping request and the encrypted message into the first packet. Therefore, during the entire packet transmission process, the encapsulated data will ensure complete confidentiality, and the frequency hopping can be automatically hopped if there is interference during the data transmission.

It is also worth mentioning that usually the electronic system device 1 end requires that the recording, playback or simultaneous recording and playback operations be completed within 1 millisecond (ms). However, since the recording and playback requests do not arrive at the first wireless transmission unit 2 at the same time, we must do everything we can to collect the two recording and playback requests and combine them in the same request packet. In view of this, the method of the present invention first records the recording and playback request, and then integrates into the first packet when the SOF packet arrives, and transmits it to the second wireless transmission unit 3 of the user end. Furthermore, the man-machine interface operation request data is processed by executing an 8 millisecond timer inside the first wireless transmission unit 2, and temporarily recording the man-machine interface operation request data when the number reaches 8 milliseconds, when the SOF packet arrives At that time, it begins to integrate into the first packet and entrains the man-machine interface operation request data that was temporarily recorded before. Therefore, if a simultaneous recording and playback request is encountered, the first packet simultaneously integrates the manipulator interface operation request data, the recording request data, and the playback request data, and transmits the same to the second wireless transmission unit 3 of the user terminal.

In contrast, please continue with FIG. 3B. The second wireless transmission unit 3 also includes a second peripheral control element 35 having the same function as the first peripheral control element 25, and will not be described again. Therefore, during the entire packet transmission process, the encapsulated data will ensure complete confidentiality, and the frequency hopping can be automatically hopped if there is interference during the data transmission.

In summary, the key technical means presented by the electronic device with wireless isochronous transmission function of the present invention is that the first wireless transmission unit 2 at the end of the electronic system device 1 receives the man-machine interface operation request data and plays the sound. The request data and the recording request data are temporarily recorded, and when the SOF packet is received, the request data is merged into a single packet and sent to the second wireless transmission unit 3 taken by the remote user. Another key technical means is that the second wireless transmission unit 3 on the user side combines the human interface operation reply data and the recording reply data into a single packet and sends it to the first wireless transmission unit 2, so that the reply data is sent back. The electronic system device 1 will be described here.

Accordingly, the above description is only the disclosure of the preferred embodiments, and is not intended to limit the main technical features of the present invention. However, any equivalents or modifications may be made without departing from the spirit and scope of the invention.

1‧‧‧Electronic system installation

2‧‧‧First wireless transmission unit

21‧‧‧Human Machine Interface Management Components

22‧‧‧Information isochronous management components

23‧‧‧ Data packet components

24‧‧‧Packet sending component

25‧‧‧First perimeter control element

3‧‧‧Second wireless transmission unit

30‧‧‧Wireless Transceiver

31‧‧‧ Human-machine interface scanning components

32‧‧‧Recording components

33‧‧‧Data integration components

34‧‧‧Request actuator

35‧‧‧Second perimeter control element

a to r‧‧‧ transmission path

Figure 1 is a schematic diagram of an electronic device having a wireless isochronous transmission function of the present invention.

2 is a system block diagram of an electronic device having a wireless isochronous transmission function of the present invention.

Figure 3A is a block diagram of a system for requesting data transmission of an electronic device having a wireless isochronous transmission function of the present invention.

Figure 3B is a block diagram of a system for replying data transmission of an electronic device having a wireless isochronous transmission function of the present invention.

1‧‧‧Electronic system installation

2‧‧‧First wireless transmission unit

21‧‧‧Human Machine Interface Management Components

22‧‧‧Information isochronous management components

23‧‧‧ Data packet components

24‧‧‧Packet sending component

3‧‧‧Second wireless transmission unit

31‧‧‧ Human-machine interface scanning components

32‧‧‧Recording components

33‧‧‧Data integration components

34‧‧‧Request actuator

a to r‧‧‧ transmission path

Claims (4)

An electronic device with a wireless isochronous transmission function, comprising: a first wireless transmission unit electrically connected to an electronic system device, wherein the first wireless transmission unit further comprises: a data packet component, wherein the data packet component is used Receiving the request data sent by the electronic system device, the data packet component integrates the request data into the first packet, and the data packet component transmits the first packet, wherein the request data includes a human machine interface operation request data. And a second wireless transmission unit that transmits data to and from the first wireless transmission unit by using a wireless isochronous transmission method, wherein the electronic system device is configured by the first wireless transmission unit Transmitting the first packet of the request data to the second wireless transmission unit, and the second wireless transmission unit transmits a second packet of a reply data to the first wireless transmission unit according to the request data, the first wireless Transmitting unit 发送 to send the reply data to the electronic system device, wherein the reply data includes human interface operation And the second wireless transmission unit further includes: a request execution component, the request execution component is configured to receive the first packet of the request data transmitted by the first wireless transmission unit, and the request is executed. The component further parses the first packet as the request data; a human-machine interface scanning component, wherein the human-machine interface scanning component is configured to scan whether the request data includes a human-machine interface operation request data; Recording a playback component, if the request data includes a playback request material, the recording and playback component executes the playback request data, and if the requested data includes the recording request data, the recording and playback component executes the recording request data; a data integration component for integrating the reply data into the second packet, the data integration component and transmitting the second packet to the first wireless transmission unit. An electronic device having a wireless isochronous transmission function as described in claim 1, wherein the electronic system device is a desktop computer, a notebook computer, a car computer, an electronic game device, a television, or a smart phone. The electronic device with the wireless isochronous transmission function of claim 1, wherein the first wireless transmission unit further comprises a first peripheral control component, wherein the first peripheral control component is configured to obtain device coding and packetization. Encoding, frequency hopping request and encrypted message, the data packet component further integrates the request data and the device code, the packet code, the frequency hopping request and the encrypted message into the first packet. The electronic device with the wireless isochronous transmission function, as described in claim 1, wherein the first wireless transmission unit further includes a packet transmitting component, where the packet transmitting component is configured to receive the second wireless transmission unit to transmit The second packet of the reply data, the packet sending component and parsing the second packet as the reply data, so that the reply data is sent back to the electronic system device.