CN202838321U - Mouse extended system based on universal serial bus (USB) - Google Patents
Mouse extended system based on universal serial bus (USB) Download PDFInfo
- Publication number
- CN202838321U CN202838321U CN 201220540226 CN201220540226U CN202838321U CN 202838321 U CN202838321 U CN 202838321U CN 201220540226 CN201220540226 CN 201220540226 CN 201220540226 U CN201220540226 U CN 201220540226U CN 202838321 U CN202838321 U CN 202838321U
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- Prior art keywords
- mouse
- usb
- system based
- processor
- extended system
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Abstract
The utility model discloses a mouse extended system based on a universal serial bus (USB). The mouse extended system based on the USB comprises the mouse, a main machine and a processor. The mouse is connected with the processor through the USB. The processor is accessed to the main machine through the USB. The processor is accessed to an input/ output (I/ O) port through a plurality of I/ O buses. According to the mouse extended system based on the USB, the purpose that operate or control a plurality of devices can be controlled by an automatic control system at the same time is achieved. The mouse extended system based on the BUS is simple in structure and low in cost.
Description
Technical field
The utility model relates to mouse, particularly a kind of mouse expanding system based on usb bus.
Background technology
At present in the operating process of the automation control system in the fields such as electric power, factories and miness, oil, chemical industry, need to operate simultaneously or when controlling a plurality of equipment, mouse is directly received can not be realized operating simultaneously and controlling a plurality of equipment on the main frame.
Summary of the invention
Technical problem to be solved in the utility model is, and is not enough for prior art, and a kind of mouse expanding system based on usb bus is provided, and makes things convenient for automation control system to operate simultaneously or control a plurality of equipment.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of mouse expanding system based on usb bus, comprise mouse and main frame, and also comprise processor, described MouseAcross is crossed usb bus and is connected with described processor, and described processor accesses described main frame by usb bus; Described processor is by many I/O bus access I/O ports.
Compared with prior art, the beneficial effect that the utility model has is: the utility model can realize that automation control system operates simultaneously or controls a plurality of equipment, and simple in structure, and cost is lower.
Description of drawings
Fig. 1 is the utility model one example structure synoptic diagram;
Fig. 2 is the utility model one embodiment circuit structure sketch.
Embodiment
As depicted in figs. 1 and 2, the utility model one embodiment comprises mouse and main frame, also comprises processor, and described MouseAcross is crossed usb bus and is connected with described processor, and described processor accesses described main frame by usb bus; Described processor is by many I/O bus access I/O ports.Be connected to photoelectrical coupler between described processor and the described I/O port.
Described processor is 32 arm processors of STM32F415.
A USB interface reception mouse USB port by 32 arm processors of STM32F415 transmits signal, by usb signal is resolved, obtains mousebutton information, and exports by the I/O port.Simultaneously, the signal that mouse is sent forwards by the another one USB interface.
32 arm processors of STM32F415 are resolved by the nrzi encoding to USB, identify the signal of each key commands of USB mouse.Different push button signallings is by different I/O buses, and a push button signalling can output to many I/O buses, realizes the expansion of signal.Pulse signal outwards transmits through photoelectrical coupler again.
The distribution of the setting of pulse output time and I/O bus is by the application software setting.Application software realizes based on the communication of USB communications protocol and expansion module through main frame host.The distribution of the setting of pulse output time and I/O bus can arrange according to actual needs.As, the left mouse button order needs time-delay 5 seconds, outputs to 1,2,3 buses, can arrange by application software so, the process communications protocol is written to the definite value buffer area of appointment, and the STM32F415 processor reads the buffer area definite value, controls output according to value data.
Claims (3)
1. the mouse expanding system based on usb bus comprises mouse and main frame, it is characterized in that, also comprises processor, and described MouseAcross is crossed usb bus and is connected with described processor, and described processor accesses described main frame by usb bus; Described processor is by many I/O bus access I/O ports.
2. the mouse expanding system based on usb bus according to claim 1 is characterized in that, described processor is 32 arm processors of STM32F415.
3. the mouse expanding system based on usb bus according to claim 1 is characterized in that, is connected to photoelectrical coupler between described processor and the described I/O port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540226 CN202838321U (en) | 2012-10-22 | 2012-10-22 | Mouse extended system based on universal serial bus (USB) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540226 CN202838321U (en) | 2012-10-22 | 2012-10-22 | Mouse extended system based on universal serial bus (USB) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838321U true CN202838321U (en) | 2013-03-27 |
Family
ID=47949974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540226 Expired - Lifetime CN202838321U (en) | 2012-10-22 | 2012-10-22 | Mouse extended system based on universal serial bus (USB) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838321U (en) |
-
2012
- 2012-10-22 CN CN 201220540226 patent/CN202838321U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |