CN103294625A - Realization of acquisition terminal USB interface module for mobile telephone or handheld computer - Google Patents
Realization of acquisition terminal USB interface module for mobile telephone or handheld computer Download PDFInfo
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- CN103294625A CN103294625A CN2012103578781A CN201210357878A CN103294625A CN 103294625 A CN103294625 A CN 103294625A CN 2012103578781 A CN2012103578781 A CN 2012103578781A CN 201210357878 A CN201210357878 A CN 201210357878A CN 103294625 A CN103294625 A CN 103294625A
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Abstract
The invention discloses realization of an acquisition terminal USB (Universal Serial Bus) interface module for a mobile telephone or a handheld computer. The realization is mainly characterized in that an acquisition terminal 1 is connected with a USB HOST interface conversion module 3 in a UART (Universal Asynchronous Receiver/Transmitter), SPI (Serial Peripheral Interface), IIC ('Intel'-Integrated Circuit) and GPIO (General Purpose Input/Output) communication interface manner, and the USB HOST interface conversion module 3 is connected with the mobile telephone or the handheld computer by a USB HOST port 4. Enumeration of a host at a USB HOST control chip end is realized, and an initiation process of data transmission is connected with a USB interface of the mobile telephone in an OTG (On-The-Go) manner, so that the mobile telephone and the handheld computer can be connected with sampling terminals of different communication interfaces, and a user can use sampling device through the mobile telephone, the handheld computer or a tablet computer.
Description
Technical field
The present invention relates to mobile phone and palm PC user's capture and detection apparatus field, specifically is to use the different communication interfaces with sample devices to make things convenient for a kind of usb interface module that be connected with mobile phone and palm PC.
Background technology
Along with the development of mobile phone technique and the appearance of Android embedded OS, the function of smart mobile phone from strength to strength, the user of a lot of mobile phones, palm PC and panel computer wishes also can be connected with data collection station such as for example medical treatment detection device by mobile phone, and on mobile phone equipment is operated use.This requirement has increased design difficulty, construction cycle and the cost of acquisition terminal manufacturer to a certain extent.Existing most of HOST USB chip interface is that form with parallel interface or single UART connects to slave computer, and for the sampling terminal of multiple interfaces mode, interface mode is single, does not possess dirigibility.
Summary of the invention
The objective of the invention is to solve the communication problem between the embedded intelligent equipments such as the sampling terminal of above-mentioned multiple interfaces mode and mobile phone, palm PC, realize that the user can operate the sampling terminal device under mobile phone A ndroid, windows platform.
The usb interface module of the sampling terminal that the present invention proposes, its main control chip are that the FT311D chip with FTDI company is switching controller, realize the bridging functionality between HOST USB interface and the interfaces such as UART, SPI, IIC and GPIO.Under mobile phone A ndroid system, pass through the realization of usb data read-write protocol to the data-interface read-write operations such as UART, SPI, IIC and GPIO of sampling terminal.
The present invention adopts above-mentioned technology to realize embedded intelligent equipment such as mobile phone to the operation of multiple interfaces sample devices, thereby makes the user use functions of the equipments at the mobile phone end more easily.
Description of drawings
Fig. 1 is modular structure synoptic diagram of the present invention;
Fig. 2 is the change-over circuit figure of usb interface module of the present invention.
Embodiment
Specific embodiment in conjunction with above-mentioned accompanying drawing 1-2 explanation invention.
The present invention as shown in Figure 1, mainly be to be connected with USB HOST interface modular converter 3 at the acquisition terminal 1 with UART, SPI, IIC and GPIO communication interface mode 2, USB HOST interface modular converter 3 is connected with mobile phone or palm PC by USB HOST port 4.
The change-over circuit figure of Fig. 2 usb interface module, its conversion chip are that the FT311D chip with FTDI company is the translational bridging chip.Its 25USB1DM and the 26USB1DP pin data-interface as HOST USB end, 18USBDM and 17USBDP pin be as the data-interface of HOST USB end on the hardware, thereby realize being connected with mobile phone embedded intelligent equipment USB.The interface type of sampling terminal is configured on hardware by pin 15CNFG2,14CNFG1,13CNFGO, FT311D finishes the data bridging of UART, IIC, the USB end of SPI, GPIO automatically then, thereby realizes that mobile phone carries out data read and control by USB interface to the sampling terminal.
Under Android, Wince embedded OS, pass through OTG device data read-write channel in mobile phone, panel computer end application program, equipment is carried out uploading and handling of data acquisition.Thereby be implemented on mobile phone or the palm PC sampling terminal is carried out handled easily.
Claims (2)
1. realization that is used for the acquisition terminal usb interface module of mobile phone or palm PC, it is characterized in that: the sampling terminal device is connected with USB HOST interface conversion control module with the GPIO communication interface mode by UART, SPI, IIC, data are read out from the sampling terminal, and mobile phone is transmitted the data of getting off send the sampling terminal to from same interface.
2. according to the USB HOST modular converter described in the claim 1 the mobile phone end is realized HOST USB end function, active and mobile phone, palm PC is initiated the usb data request, when the mobile phone embedded intelligent terminal with after the USBHOST modular converter is connected, the data of the periodic scanning cell phone end of module end equipment are initiated state, and the UART that is connected with the terminal of sampling of monitoring, SPI, whether IIC and GPIO communication interface mode have data upload, as receive data, can send embedded intelligent equipment ends such as mobile phone by USB interface to, thereby realize the function of both sides' data transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103578781A CN103294625A (en) | 2012-09-24 | 2012-09-24 | Realization of acquisition terminal USB interface module for mobile telephone or handheld computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103578781A CN103294625A (en) | 2012-09-24 | 2012-09-24 | Realization of acquisition terminal USB interface module for mobile telephone or handheld computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103294625A true CN103294625A (en) | 2013-09-11 |
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| CN2012103578781A Pending CN103294625A (en) | 2012-09-24 | 2012-09-24 | Realization of acquisition terminal USB interface module for mobile telephone or handheld computer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970706A (en) * | 2014-05-14 | 2014-08-06 | 赵美惠 | External expansion system of mobile device based on FT311D interface chip |
| CN105242603A (en) * | 2015-10-22 | 2016-01-13 | 宁波三星医疗电气股份有限公司 | Power collection terminal with USB OTG interface and debugging upgrade method thereof |
| WO2017185694A1 (en) * | 2016-04-29 | 2017-11-02 | 乐视控股（北京）有限公司 | Electronic device, and method for providing data for another directly connected electronic device |
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| CN2596446Y (en) * | 2002-12-20 | 2003-12-31 | 清华大学 | Far distance medical system front end based on palm computer |
| CN201336032Y (en) * | 2009-01-22 | 2009-10-28 | 天津理工大学 | Software simulation serial data transmission device |
| CN201425745Y (en) * | 2008-12-05 | 2010-03-17 | 广西中医学院 | Palm computer for the special purpose of traditional Chinese medicine diagnosis and treatment |
| CN101868048A (en) * | 2009-04-14 | 2010-10-20 | 希姆通信息技术（上海）有限公司 | System for mobile phone |
| JP2012098885A (en) * | 2010-11-01 | 2012-05-24 | Infinitegra Inc | Data transfer method |
-
2012
- 2012-09-24 CN CN2012103578781A patent/CN103294625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596446Y (en) * | 2002-12-20 | 2003-12-31 | 清华大学 | Far distance medical system front end based on palm computer |
| CN201425745Y (en) * | 2008-12-05 | 2010-03-17 | 广西中医学院 | Palm computer for the special purpose of traditional Chinese medicine diagnosis and treatment |
| CN201336032Y (en) * | 2009-01-22 | 2009-10-28 | 天津理工大学 | Software simulation serial data transmission device |
| CN101868048A (en) * | 2009-04-14 | 2010-10-20 | 希姆通信息技术（上海）有限公司 | System for mobile phone |
| JP2012098885A (en) * | 2010-11-01 | 2012-05-24 | Infinitegra Inc | Data transfer method |
Non-Patent Citations (1)
| Title |
|---|
| FTDI: "《Future Technology Devices International Ltd.》", 24 July 2012 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970706A (en) * | 2014-05-14 | 2014-08-06 | 赵美惠 | External expansion system of mobile device based on FT311D interface chip |
| CN105242603A (en) * | 2015-10-22 | 2016-01-13 | 宁波三星医疗电气股份有限公司 | Power collection terminal with USB OTG interface and debugging upgrade method thereof |
| CN105242603B (en) * | 2015-10-22 | 2017-11-28 | 宁波三星医疗电气股份有限公司 | A kind of electric power acquisition terminal and its debugging upgrade method with USB OTG interfaces |
| WO2017185694A1 (en) * | 2016-04-29 | 2017-11-02 | 乐视控股（北京）有限公司 | Electronic device, and method for providing data for another directly connected electronic device |
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Application publication date: 20130911 |