TW541810B - Wireless transmit/receive device using bluetooth in input device - Google Patents

Abstract

The invention relates to a wireless receiving device for input device with bluetooth, which comprises a USB interface in connection with a USB port and a microprocessor of an electronic machine respectively for transmitting and receiving the first packet in compliance with USB transmission standard, a bluetooth module in connection with a microprocessor for transmitting and receiving the second packet in compliance with bluetooth transmission standard. The microprocessor is connected with the bluetooth module, the USB interface and a semiconductor memory for transmitting and receiving the first packet and the second packet via the USB interface and the bluetooth interface respectively so that the first packet can be converted to the second packet and the second can be converted to the first packet; the semiconductor memory is used to store the multiple program codes capable of being executed by the microprocessor, in which the multiple program codes at least contain a program codes used to convert the first packet to the second packet, a program codes used to convert the second packet to the first packet, a program codes used to drive the USB interface and a program codes driving the bluetooth module.

Description

541810 V. Description of the Invention (l) 1 ~ Field of the Invention The present invention relates to a device for wirelessly transmitting data, and particularly relates to a wireless transmitting / receiving device using a blue tooth for an input device. BACKGROUND OF THE INVENTION The traditional wireless PS / 2 keyboard and PS / 2 wireless mouse input device will occupy the resources of two PS / 2 ports of a personal computer, resulting in a waste of personal computer resources, and affecting the personal computer advance— Step-by-step expansion capabilities, and use the PS / 2 transmission specification as input for electronic devices connected to laptops, so traditional wireless PS "keyboards and USBY interfaces are only used in personal computers or laptops. By Square; U b β interface can be connected in series 197: L Miao but / this electronic machine is used for = technology, and has been widely used by various types of other USB devices, not only for keyboards and mice You can also prepare _ m, such as a tablet, & 7 矣 笪 笪 八 八 eight y buckle buds wireless transmission specifications of the electronic machine / watch city specialist. Now using a USB interface and Bluetooth wireless ... Surging profits, so how to combine the traditional wired PS / 2 keyboard is a major issue for users. At present, a large number of USB cables are used to connect with the USB interface. It is a traditional wired PS / 2 mouse. Via PS / 2—USB converter The traditional wired PS / 2 mouse, the traditional wired PS / 2 keyboard after conversion and the use of these traditional wired wheels, but still belong to the wired type, how to transfer the wheels to provide more convenient The problem of combining the USB interface and the Bluetooth wireless solution.

541810, Description of the invention (2) Summary of the invention The purpose of sending = is to provide a combination of USB interface and Bluetooth® n & ' so that the traditional wired PS / 2 keyboard or traditional transmission can be wirelessly transmitted. The first and second wired PS / 2 mouse 2 achieve the purpose of the present invention, and the present invention provides a wireless receiving device using Bluetooth, which includes: a USB interface;-a USB port of a slave machine and a micro processor The device is used to not connect; ~, the first packet of the transmission wheel standard specification; a Bluetooth module == = theft, used to transmit and receive the second packet that conforms to the Bluetooth transmission standard specification =; the microprocessor , Which are respectively connected to the Bluetooth module, the USB interface and a cow conductor memory for transmitting and receiving the _ packet through the USB interface and transmitting and receiving the second packet through the Bluetooth module, and using The first packet is converted to correspond to the second packet and the second packet is converted to correspond to the first packet; the semiconductor memory is used to store a plurality of program codes executable by the microprocessor, wherein the plurality of codes are The codes at least include: a code for converting the first packet to the second packet, a code for converting the second packet to the first packet, and a driver for the USB Interface code, and _ Moving the bluetooth module code group. In order to make those skilled in the art understand the purpose, characteristics and functions of the present invention, the following specific examples and the accompanying drawings will be used to explain the present invention.

S Page 6 541810 V. Description of the invention (3) Explained in detail, as described later in the invention, the brain = I = indicates that the transmission / reception device of the present invention is applied to a human power and: ^ 2 computers 50 through _ The connection cable 10 is connected to the input device through the ps / Γ * H ^ device 1 (). The dry-input cable 20a (ps / 2 cable) connected to the wireless transmission device 20 of the present invention is connected to the input device 40. Using the PSMF mouse 30 'or the GA 2 key 20, connect the wireless receiving device to the wireless transmitting device connection 20a, the PS / 2 PS / 2 air compressor 30 or PS / 2 keyboard 4 through the PS / 2 connection. 2. This is connected to the PS / 2 port 210 of the wireless transmission device 20, and then connect the wireless receiving device i 0 to the personal electrical device through a USB cable 丨 〇a, and the user can operate the PS / 2 slider. Mouse 30 or ps / 2 keyboard 40, tell device 20 to receive PS / 2 mouse 30 or ps / 2 keyboard 40 and input ^ The wireless transmission device 20 converts the input data into symbols & ^ The packet under the transmission protocol specification is transmitted wirelessly via the Bluetooth module 22G, and then the wireless receiving device 10 receives the tributary material through the Bluetooth module 120. The wireless receiving device 10 then inputs the input. The data characters transmit data packets of the standard specification through the interface n. Qing Er < 1 l0a communicated to the personal computer 50, at which time the personal computer 50's u-script (uriver) or USB mouse driver immediately received the _packet corresponding to the input data. The wireless receiving device 10 and wireless; special wheel device 20 'of the present invention is not only applied to the personal computer 5 as shown in FIG. , Ting are widely used in notebook computers, an information appliance, and an assistant digital device. Page 7 541810

FIG. 2 shows a hardware architecture diagram of the wireless receiving device 10 of the present invention. Figure 2 Wireless receiving device 10 includes: USB interface 11, connected to an electronic device = uSB port and microprocessor 100, respectively, for transmitting and receiving the first packet that complies with the USB transmission standard specification; Bluetooth module 12 〇, connect to micro, for transmitting and receiving symbols * Second packet of Bluetooth transmission standard specification: processor 100 'It is connected to Bluetooth module 12, USB interface 11 and half V memory 130 , For transmitting and receiving the first packet via USB interface 120, and for transmitting and receiving the second packet via Bluetooth module 120, and for converting a packet into a corresponding packet and converting a: packet into a corresponding fifth Material Ϊ: 己 6hexadecimal body 1 30 ′ is used to store a plurality of private codes that can be subscribed by the microprocessor 1 00, wherein the plurality of codes are: to convert the first packet to the code corresponding to the second packet, One is used to replace the two-in-one envelope with the code corresponding to the first packet, a code for driving the US "face 110" and a program for driving the Bluetooth module 12; 50 on- : ⑽The connection line 10a is connected to the USB interface 110 and personal power: ~ ^ wait ..., line reception Pei set 1 0 can use the first packet that complies with the USB transmission standard and the 50th pass of the personal computer. Seek 'Dry Φ Figure. ^ 2 ^ The process of the software executed by the invention / line receiving device is the initial age ) Microprocessor 100. Step 301 You initialize the dentist module 丨 2 Check the personal computer 5. Whether or not

Page 8 541810

Packet, if true, then go to step 303, no 30 6. Step 30 3 is to check the first step token type or data type incoming from the personal computer 50. If the dagger is a finger, go to step 307. If it is a data type, go to step order. Type 304 is the first-packet conversion of the personal computer 50. Step package. Step 305 is to transmit the corresponding second packet to === Second packet 1 20 'Bluetooth module 1 20 is to wirelessly transmit the corresponding second packet to the two groups of steps. Step 3 0 6 is to transmit the personal computer 50 The first packet entered is USB = go out. Management. Step 30 7 is to check whether the Bluetooth module 12 has passed in the second two = processing. If it is true, go to step 3Q8, otherwise return to step Q2. ^ 如 处 =. . The second packet of the Bluetooth module incoming is converted and sealed. Step 30 9 is to transmit the corresponding first packet to the USB interface 丨 丨, that is, to transmit the corresponding second packet to the personal computer 5 through the connection 10a. FIG. 4 shows a hardware architecture diagram of the wireless transmission device of the present invention. Figure 4 The wireless transmission device 20 includes: PS / 2 port 21〇, which is connected to a ps / 2 input. The f processor 2 0 0 is used to transmit and receive the first packet conforming to the PS / 2 transmission standard specification. The monitoring bud module 2 2 0 is connected to the microprocessor 2 0 0 and is used to transmit and receive the Bluetooth transmission wheel. The second packet of the standard specification; the microprocessor 2000 'is connected to the Bluetooth module 22o, the ps / 2 port 21o, and the semiconductor memory 2j0 #, respectively, for transmitting and passing through the ps / 2 port 21o. The first packet is received, and the second packet is transmitted and received by the monitor bud module 220, and is used to convert the first packet to the corresponding second packet and the second packet to the first

541810 V. Description of the invention (6) Packets; the semiconductor code is used to convert the first packet to the second packet into the code transmitted to port 210 / module 2 2 0, and the line 2 a is connected to the device in January. In order to pass the Bluetooth transmission specification, ί 2j 〇 / is used to store a microprocessor that can be used by 20 0 ◦ Execution I i # ΐ Several codes include at least: one code for the second packet, One code for packet # ^ Μ #, one code for packet via ^ / 2, packet, and a PS / 2 port 21 that drives Bluetooth® as shown in Figure 4 through ps / 2 connection ^ The input device of PS / 2 mouse 30 or ps / 2 keyboard 40 can be connected to a personal computer via a wireless transmission device 20 in combination with ps /. FIG. 5 shows a flowchart of connecting the wireless transmitting device of the present invention to the PS / 2 software. Step 4. . This is the beginning of the year; The procedure ... is the Hatsuzaki bud module 22. , Two =, the connection of. Step 4 0 2 俜 Pick up the first packet of the data of "u | between teeth" If =, and if it is true, go to step 403, otherwise go to step 404. Step 403 is to transfer the second packet of the PS / 2 keyboard 40 into the corresponding second packet, and then the corresponding second packet of the second monitor bud module 220 and the bluetooth module 22. Send the second packet wirelessly. Step 4 04 checks whether the Bluetooth module 2 2 0 has received a second packet. If it is true, it proceeds to step 4 5, otherwise returns to step 4 2. ^ _ 40 5 Series Microprocessor 2000 converts the second packet passed by the Bluetooth module 22 to the corresponding first packet. Step 4 06 series microprocessor 200 temporarily stops reading data from ps \ keyboard 40. In order to comply with the PS / 2 transmission specification, step 407 series microprocessor 2 0 0 defines the PS / 2 port 210 as the clock signal ((: 丨 〇ck) pin =

541810 V. Description of the invention (7) Pull down (low) 60 microseconds to wait for the PS / 2 keyboard 40 to generate a clock signal, and then the microprocessor 2 sequentially converts step 4 05 to the corresponding first packet bit by bit (bit) is transmitted to the PS / 2 keyboard 40. Step 408 is that the microprocessor 200 starts reading data from the PS / 2 keyboard 40. FIG. 6 shows a flowchart of the wireless transmitting device of the present invention processing a PS / 2 keyboard to input data in an interrupt subroutine manner. When the PS / 2 keyboard 40 key is pressed, an interrupt signal is issued to the microprocessor 2000 through the PS / 2 connection cable 20a and the PS / 2 port 210, so that the microprocessor 200 Execute the interrupt subroutine of Figure 6. Step 5 0 0 receives the data bit (data bi t) transmitted from the * ps / 2 keyboard 40, and then accumulates with the previously received data bit. Step 501 is to check whether the accumulated data bits have constituted a fully defined key symbol data. If true, then go to step = 2. '-Otherwise interrupt return (lnterrupt return). In step 502, the button feed material is stored in a queue to provide the above-mentioned step 402, and the button symbol data is taken out from the storage column. Art ’s hot that the artist should set 20 to connect PS / 2 mouse 30. The technology disclosed above according to the present invention can be easily changed and applied to wireless transmission equipment. Although the present invention has a better definition of the present invention, anyone who is familiar with this spirit and scope can be used as a variety of 'dry enclosures'. The application patent is disclosed in the target example as above, but it is not used by the skilled person's without departing from the fine modification and retouching of the present invention. Therefore, the scope of the present invention shall prevail.

Page 11 541810

Brief description of the figure Figure 1 shows a schematic diagram using the brain. Application of the transmitting / receiving device of the present invention to a personal computer Figure 4 shows a hardware architecture diagram of the wireless transmitting device of the present invention. Fig. 5 shows a flowchart of software executed by the wireless transmitting device of the present invention connected to a PS / 2 keyboard. FIG. 6 shows a flowchart of the wireless transmitting device of the present invention processing a PS / 2 keyboard to input data in an interrupt subroutine manner. Explanation of drawing numbers 1〇 Wireless receiving device 10a USB cable 2 Wireless transmitting device 2a PS / 2 connecting cable 3 PS / 2 mouse 40 PS / 2 keyboard

5 0 Personal computer 1 0 0, 2 0 0 Microprocessor 110 USB interface 210 PS / 2 port 120, 2 2 0 Bluetooth module

541810

Page 13

Claims (1)

Scope of patent application • ——A kind of wireless receiving device using Bluetooth for input device, including. — USB interface, connect separately — electronic cry '· To handle cry, use USB port and one micro USB port Packet; ^ transmit and receive the first packet that complies with the transmission standard specification for transmitting and receiving a second packet that complies with a Bluetooth module and is connected to a microprocessor Bluetooth transmission standard specification; Connect the Bluetooth module, the USB interface and a + v limb, a memory, for transmitting through the USB interface Packet, transmitting and receiving the second packet & via the bluetooth module, and / or for converting a packet of the younger brother into a corresponding second packet and the second corresponding to the first packet; changing to the semiconductor Memory for storing a plurality of codes executable by the microprocessor, wherein the plurality of codes at least include: a code for converting the first packet into a code corresponding to the second packet, and a code for The first packet is converted into code corresponding to the first packet, a code for driving the USB interface, and / or a code for driving the Bluetooth module. 2. The wireless receiving device according to item 1 of the scope of patent application, wherein the electronic devices are: a personal computer, a notebook computer, an information package, an assistant digital device, and a mobile phone. 3. —A wireless transmission device using Bluetooth for input devices, including: a PS / 2 port to connect a PS / 2 input device and a micro processor respectively Page 14 541810 VI. Patent application scope device for transmitting and receiving the first packet that complies with the PS / 2 transmission standard specification; a Bluetooth module connected to a microprocessor for transmitting and receiving the Bluetooth transmission standard A standardized second packet; the micro-processing benefit, which is connected to the Bluetooth module, the ps / 2 port, and a semiconductor memory, respectively, for transmitting and receiving the first packet via the ps / 2 port and via The Bluetooth module transmits and receives the second packet, and is used to convert the first packet to correspond to the second packet and convert the first packet to correspond to the first packet; the semiconductor memory is used to store Micro-processing several codes, among which plural codes are rounded by at least 8 °° After the first packet is converted to correspond to the second packet, a process 3: is used to convert the second packet to correspond to the first packet The code is a code for transmitting / receiving the first packet to the PS / 2 port and a code for activating the Bluetooth module. Wang Shima, and a drive