CN105357087A - Intelligent fiber access gateway based on Arduino technology - Google Patents
Intelligent fiber access gateway based on Arduino technology Download PDFInfo
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Abstract
The invention discloses an intelligent fiber access gateway based on an Arduino technology. The intelligent fiber access gateway comprises an Arduino controller, a network interface conversion module, a photovoltaic conversion module, a WIFI route module, a WIFI bee module, a ZIGBEE module and a power switching and charging module, wherein a control signal input end of the network interface conversion module is connected to an SPI (Serial Peripheral Interface) of the Arduino controller; a signal input end of the photovoltaic conversion module is connected to a fiber broadband interface through a fiber interface, and a signal output end of the photovoltaic conversion module is connected to a signal input end of the network interface conversion module; a control signal input end of the WIFI route module is connected to the SPI interface of the Arduino controller, and a signal input end of the WIFI route module is connected to a signal output end of the network interface conversion module; a control signal input end of the WIFI bee module is connected to a serial port of the Arduino controller; a control signal input end of the ZIGBEE module is connected to the other serial port of the Arduino controller, and a signal output end of the ZIGBEE module is connected to a wireless radio frequency amplifier module; and an input end of the power switching and charging module is connected to external alternating current through an AC adapter, and output ends of the power switching and charging module are respectively correspondingly connected to each module. The intelligent fiber access gateway has the advantages of simple structure and low energy consumption, and meets experience of a user for smart home. The intelligent fiber access gateway is suitable for any intelligent electronic device for smart home.
Description
Technical field
The invention belongs to Smart Home field, relate to a kind of Intelligent optical fiber IAD based on Arduino technology.
Background technology
Along with comprehensive covering of China's network signal and the development of intelligent electronic device, the Smart Home product having merged technology of wireless sensing network, automatic control technology and computer technology rises gradually, has promoted the intellectuality of life staying idle at home, the development of simplification.And along with China's rapid development of economy, the electronic equipments such as smart mobile phone, computer, PAD are constantly updated, the requirement of people to quality of the life, domestic environment is more and more higher, more and more stronger to the demand of home intelligence.
But at present, the Modern Smart Home of China is in just mid-term stage, and it exists following problem:
(1) product standard disunity: in prior art, the terminal access mode that people use is varied, cause Smart Home produce market lack of standardization, and the problem that standard disunity brings is exactly holding at high price of Smart Home product;
(2) intelligent domestic gateway connects and puts mode disunity: Smart Home is generally accessed by home network interface, and broadband service business only provides a network interface for general family, this gateway and home-use wireless router access interference, if adopt cascade system, can cause network speed to reduce; And for intelligent acess mouth, expand two optical fiber interfaces and can bring extra-pay, make the cost of Smart Home product improve further;
(3) utilance of Smart Home product is low: because radio router function in existing family and intelligent domestic gateway partial function repeat, and there will be the phenomenon of interference mutually, reduce respective utilance both during radio communication.
Summary of the invention
For solving the above deficiency existed in prior art, the invention provides a kind of Intelligent optical fiber IAD based on Arduino technology, Smart Home can be realized on the basis of existing network, be convenient for people to daily life.
For achieving the above object, the technical solution adopted in the present invention is as follows:
Based on an Intelligent optical fiber IAD for Arduino technology, it comprises:
As the Arduino controller of control centre, it has SPI interface and dual serial mouth;
For the network signal of input being converted to the network interface modular converter of a protocol and standard of standard, the control signal input of described network interface modular converter connects the SPI interface of Arduino controller;
For light signal being converted to the photoelectric conversion module of the signal of telecommunication, the fiber broadband interface that the signal input part of described photoelectric conversion module is provided by optical fiber interface Access Service Provider, the signal input part of the signal output part interconnection network interface modular converter of photoelectric conversion module;
For providing the WIFI routing module of wireless router focus, the control signal input of described WIFI routing module connects the SPI interface of Arduino controller, the signal output part of its signal input part interconnection network interface modular converter;
For WIFI signal being converted to the WIFIbee module of high speed ZIGBEE signal, the control signal input of described WIFIbee module connects a serial port of Arduino controller;
For realizing the ZIGBEE module of common ZIGBEE coordinator function, the control signal input of described ZIGBEE module connects another serial port of Arduino controller, and its signal output part connects a less radio-frequency amplification module;
For providing Power convert and the charging module of electric energy for above-mentioned modules, the input of described Power convert and charging module connects and connects external communication electricity by AC adapter, and the output of each different voltage is connected respectively Arduino controller, photoelectric conversion module, ZIGBEE module, WIFI routing module, WIFIbee module.
Restriction as to Arduino controller: described Arduino controller one ATmega64A chip is core, has 14 railway digital I/O ports, 6 tunnel analog inputs, and a 16MHz crystal oscillator.
As limitation of the invention further: described optical fiber interface comprises FDX1 standard fiber access port, and switched filter circuit, the fiber broadband interface that the input Connection Service business of described FDX1 standard pipeline access port provides, output connects the input of switched filter circuit;
Described photoelectric conversion module comprises IP113C chip and 24C01 chip, 100BASE-FX intelligent acess is converted to 10/100BASE-TX and exports by described IP113C chip, its external crystal oscillator pin connects first crystal pierce circuit, and its tenth three-prong FXRDP, the 14 pin FXRDM, the 16 pin FXTDP, the 17 pin FXTDM, the 18 pin FXSD connect the output of switched filter circuit respectively; Described 24C01 chip is 4K Bits Serial COMSE2PROM, and it adopts I by SDA, SCL signal
2c bus interface is connected with IP113C chip;
Described network interface modular converter comprises W5100 chip, described W5100 chip supports SPI interface, its TXOP pin, TXON pin, RXIP pin, RXIN pin are connected respectively TXOP pin, TXON pin, TXIP pin, the RXIN pin of IP113C chip, and connect the PB7 pin of Arduino control by the second pierce circuit that external crystal oscillator pin is external.
Further limit as to of the present invention: described WIFI routing module comprises the WM-G-MR-9 chip that can realize height WLAN and connect, adopt direct sequence spread spectrum and OFDM data modulation technique, adopt the security mechanism of AES/CCMP and WEP, TKIP simultaneously, there is diverter switch and band-pass filtering function, it connects the SPI interface of Arduino controller respectively by the SPI interface of self, and the SPI interface of W5100 chip.
Further limit as to of the present invention: described WIFIbee module comprises WIFLYRN171 chip, and described WIFLYRN171 chip is wireless WIFI module, compatible Xbee interface, its serial port connects first group of serial port of Arduino controller again;
Described ZIGBEE module comprises CC2530 chip, and its incoming serial mouth connects second group of serial port of Arduino controller;
Described less radio-frequency amplification module comprises RFX2401C chip, adopts TX/RX transceiver interface and single antenna interface, includes 2.4GHz low pass filter, and its incoming serial mouth connects the output serial port of CC2530 chip.
Restriction as to Power convert of the present invention and charging module: described Power convert and charging module comprise rechargeable battery, power-switching circuit and charging circuit, described power-switching circuit comprises the first change-over circuit, the second change-over circuit, the 3rd change-over circuit, the input of described first change-over circuit connects external communication electricity by AC adapter, output exports C5.5V power supply, and connecting the second change-over circuit, the 3rd change-over circuit successively, described second change-over circuit and the 3rd change-over circuit export DC3.3V and DC1.8V power supply respectively;
Described charging circuit comprises CN3052A chip, and the input of described CN3052A chip connects external communication electricity by AC adapter, and its signal output part connects rechargeable battery by the peripheral circuit arranged.
Owing to have employed technique scheme, compared with prior art, acquired technological progress is in the present invention:
(1) the present invention has WIFI routing module, WIFIbee module, ZIGBEE module, less radio-frequency amplification module, therefore the present invention compatible WIFI, high speed ZIGBEE and common ZIGBEE tri-kinds accesses without wire rate, by judging access protocol to the access request of terminal, be terminal equipment adaptive access speed;
(2) compatible XBEE and ZIGBEE of the present invention two kinds of ZIGBEE agreements, support Xbee agreement and the terminal access of common ZIGBEE, Arduino Open Source Platform;
(3) the less radio-frequency amplification module that the present invention is arranged can amplify common ZIGBEE telegon output signal, and power adjustable, to realize family's all intelligent household terminal wireless coverages non-blind area, meets the various demands of user;
(4) Arduino controller of the present invention, IP113C chip, WIFLYRN171 chip, and RFX2401C chip all selects low-power chip, power adaptive, switching over and deep-sleep mode is adopted to ensure the low power operation of system in the course of work, especially when powered battery process, for user saves electric energy;
(5) WIFI routing module of the present invention is with WM-G-MR-9 chip for core, supports access rate self adaptation, and adopts the safety encipher mechanism of AES/CCMP and WEP, TKIP, ensures safety and the service quality (QoS) of family's private network;
(6) WIFI routing module of the present invention devises diverter switch and band pass filter, avoids CDMA, the mutual crosstalk between GSM, PCS and WCDMA signal, it also avoid the mutual crosstalk between three kinds of wireless transmission antennas simultaneously;
(7) Arduino controller of the present invention is with ATmega64A chip for core, and described chip uses spi bus and I2C bus mode Control ethernet, the access of ZIGBEE network signal and conversion, achieves the innovative technology that control bus switches to network;
(8) the present invention is the speed improving wireless transmission, and described photoelectric conversion module is provided with 24C01 chip, provides 4K Bits Serial CMOSE2PROM, and utilizes the inner integrated 16KBYTE of W5100 to receive and dispatch buffer memory by programming, improves wireless network transmissions speed;
(9) power supply of the present invention can adopt DC9V AC adapter to power, what gateway also can be adopted to carry is rechargeable battery powered, when having a power failure in user family, gateway can work on, smart mobile phone or PAD etc. make battery-powered terminal still can accesses network in the short time, ensure that the experience of user is good.
(10) the present invention outside is by unified optical fiber interface, RJ45 interface, ZIGBEE, XBee interface, also provides Engineering Control bus SPI and I2C bus standard interface, for Household intelligent gateway and control appliance provide standard access way simultaneously;
(11) the present invention is provided with special WIFI-BEE wireless networking and telecommunication circuit, transmission rate can reach 464Kbps, far above the transmission rate of common ZIGBEE250Kbps, break the upper limit that traditional Z IGBEE transmits 250Kbps, and supported Adhoc and infrastructure network;
(12) photoelectric conversion module of the present invention is provided with IP113C chip, achieve Ethernet carries out telecommunication system by light wave, for frame buffering retains SSRAM, the MAC Address of 1K byte can be stored, digital self-adaptative adjustment and timing recovery, can realize Base-Line Drift Correction;
(13) the present invention is provided with WIFIBee module and Zigbee module, WIFIBee module and Zigbee is made to be formed and deposit circuit, WIFIBee contains ICP/IP protocol stack, host data transmission rate is 464Kbps, the super low-power consumption of 38mA, and there is timestamp, auto sleep, the real-time clock of automatic start-up mode;
(14) the present invention has low-power consumption access module, WIFI hot spot service, the service of ZIGBEE telegon, Arduino Open Source Platform XBEE serve and all self adaptation can switch and close, and all accesses request employing interrupt mode access eventually, gateway is monitored automatically, when also not having terminal request to serve more than 10min, this service is closed automatically, and corresponding module enters dormancy low power consumpting state, reaches energy-conservation object while meeting Consumer's Experience.
In sum, structure of the present invention is simple, and energy consumption is low, meets the experience of user to Smart Home.
The present invention is applicable to the intelligent electronic device of any Smart Home.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the present invention is further described in detail.
Fig. 1 is the theory diagram of the embodiment of the present invention;
Fig. 2 is the circuit theory diagrams of Arduino controller in the embodiment of the present invention;
Fig. 3 is the circuit theory diagrams of network interface modular converter in the embodiment of the present invention;
Fig. 4 is the circuit theory diagrams that in the embodiment of the present invention, photoelectric conversion module is connected with optical fiber interface;
Fig. 5 is the circuit theory diagrams of WIFI routing module in the embodiment of the present invention;
Fig. 6 is the circuit theory diagrams of WIFIbee module in the embodiment of the present invention;
Fig. 7 is the circuit theory diagrams that in the embodiment of the present invention, ZIGBEE module is connected with less radio-frequency amplification module;
Fig. 8 is the circuit theory diagrams of power conversion and charging module in the embodiment of the present invention.
Embodiment
embodiment is based on the Intelligent optical fiber IAD of Arduino technology
Present embodiments provide a kind of Intelligent optical fiber IAD based on Arduino technology, as shown in Figure 1, comprise (1) Arduino controller, as control centre, the present embodiment adopts ATmega64A chip of the prior art as shown in Figure 2, this chip has 14 railway digital I/O ports, 6 tunnel analog inputs, SPI interface, serial line interface TX/RX, and a 16MHz crystal oscillator.
(2) network interface modular converter, for the network signal of input being converted to a protocol and standard of standard, the control signal input of described network interface modular converter connects the SPI interface of Arduino controller.
Network interface modular converter in the present embodiment as shown in Figure 3, comprises W5100 chip, this chip SPI interface (SCS, SCLK, MISO, MOSI), easy-to-connect, and program is simple; Support hardware ICP/IP protocol stack, supports the agreements such as TCP, UDP, ICMP, IGMP, IPv4, ARP, PPPoE.Inner integrated 16KBYTE receives and dispatches buffer memory; W5100 hardware integration ICP/IP protocol stack, MAC, PHY, decrease personal code work amount, alleviate the pressure of CPU.W5100 can pass through SPI Interface Controller, need only operate a small amount of register, substantial saving in the development time, and the program that different platform transplants W5100 is convenient, simple.The concrete connection of the present embodiment as shown in Figure 3, the SCK pin of W5100 chip is utilized to connect (SCK) PB1 pin of ATmega64A chip, CSS pin connects (SS) PB0 pin of ATmega64A chip, MOSI pin connects (MOSI) PB2 pin of ATmega64A chip, MISO pin connects (MISO) PB3 pin of ATmega64A chip, and the external crystal oscillator pin of W5100 chip connects (OC2/OC1C)/PB7 pin of ATmega64A chip by the second external pierce circuit.
(3) photoelectric conversion module, for converting light signal to the signal of telecommunication, the fiber broadband interface that the signal input part of described photoelectric conversion module is provided by optical fiber interface Access Service Provider, the signal input part of the signal output part interconnection network interface modular converter of photoelectric conversion module.
In the present embodiment, optical fiber interface as shown in Figure 4, comprise FDX1 standard fiber access port, and by resistance R40 to R60, capacitor C40, C41, C49, C50, the switched filter circuit that C53 is formed, the fiber broadband interface that the input Connection Service business of described FDX1 standard pipeline access port provides, output connects the input of switched filter circuit, namely the intermediate node that the 59 resistance R58 in Fig. 4 is connected with the 60 resistance R60, and the intermediate node that the 58 resistance R58 is connected with the 59 resistance R59 is connected photoelectric conversion module as the output of switched filter circuit.
The photoelectric conversion module of the present embodiment as shown in Figure 4, comprise IP113C chip and 24C01 chip, 100BASE-FX intelligent acess is converted to 10/100BASE-TX output and delivers to W5100 chip by described IP113C chip, the TXOP pin of IP113C chip, TXON pin, RXOM pin, RXIP pin as shown in Figure 4, are connected with the TXOP pin of W5100 chip, TXON pin, RXIP pin, RXIN pin by concrete connection respectively; For improving opto-electronic conversion speed, devise 4K Bits Serial CMOSE2PROM chip 24C01 in module specially, chip adopts CMOS technology to decrease device power consumption, and 24C01 adopts I2C bus interface to be connected with IP113C by SDA, SCL signal.And its FXRDP pin, FXRDM pin, FXTDP pin, FXTDM pin, FXSD pin connect the output of switched filter circuit respectively, i.e. the intermediate node that is connected with the 59 resistance R59 of the 58 resistance R58.And the 24C01 chip in the present embodiment is 4K Bits Serial COMSE2PROM, it adopts I by SDA, SCL signal
2c bus interface by the SDA pin of self, SCL pin respectively with the SDA pin of IP113C chip, SCL pin is corresponding is connected.
(4) WIFI routing module, for providing wireless router focus, the control signal input of described WIFI routing module connects the SPI interface of Arduino controller, the signal output part of its signal input part interconnection network interface modular converter.
WIFI routing module in the present embodiment as shown in Figure 5, comprise the WM-G-MR-9 chip that can realize height WLAN and connect, this chip can realize high speed WLAN and connect, adopt direct sequence spread spectrum (DSSS) and OFDM data modulation technique, support the message transmission rate up to 54Mbps of IEEE802.11b/g.Support access rate self adaptation, and adopt the security mechanism of AES/CCMP and WEP, TKIP, ensure network security and service quality (QoS), use simple Antenna Design theory, diverter switch and band pass filter is adopted to avoid CDMA, the mutual crosstalk between GSM, PCS and WCDMA signal.
In the present embodiment, WM-G-MR-9 chip connects the SPI interface of Arduino controller respectively by the SPI interface of self, and the SPI interface of W5100 chip, namely as shown in Figure 5, by the SD_CLK/SPI_CLK pin of self, SD_DO/SPI_SCSn pin, SD_CMD/SPI_SDI pin, SD_DI/SPI_DO pin is connected respectively (SCK) PB1 pin of ATmega64A chip, (SS) PB0 pin, (MOSI) PB2 pin, (MISO) PB3 pin, because the pin of W5100 chip is also connected with above-mentioned four pins of ATmega64A chip, therefore the WM-G-MR-9 chip of the present embodiment achieves and being connected of W5100 chip.
(5) WIFIbee module, for WIFI signal is converted to high speed ZIGBEE signal, realize the seamless coverage of the present embodiment to WIFI signal and high speed ZIGBEE signal, the control signal input of described WIFIbee module connects a serial port of Arduino controller.
In the present embodiment, WIFIbee module as shown in Figure 6, comprises WIFLYRN171 chip, and described WIFLYRN171 chip is wireless WIFI module, compatible Xbee interface.This chip has super low-power consumption: the sleep pattern of 4uA, the active mode of 38mA.Contain ICP/IP protocol stack (DHCP, UDP, DNS, ARP, ICMP, HTTP client, ftp client and TCP), the configurable transmitting power of firmware: 0dBmto12dBm.Host data transmission rate is 464Kbps, and supports Adhoc and infrastructure network.
In the present embodiment, the connected mode of WIFLYRN171 chip and ATmega64A chip is as shown in Figure 6, and WIFLYRN171 chip is by the GPIO-13(UART-RST of self) pin, GPIO-11(UART-RX) pin, GPIO-10(UART-TX) pin is connected respectively (TXD/PD0) PE1 pin, the RXD0/(PDI of ATmega64A chip) PE0 pin, (ICP3/INT7) PE7 pin.
(6) ZIGBEE module, for realizing common ZIGBEE coordinator function, the control signal input of described ZIGBEE module connects another serial port of Arduino controller, and its signal output part connects a less radio-frequency amplification module.
In the present embodiment, ZIGBEE module is as shown in Figure 7, comprises CC2530 chip, and it is by the P0.3(TXT of self) pin, P0.2(RX) pin is connected respectively (TXD1/INT2) PD2 pin, (TXD1/ONT3) PD3 pin of ATmega64A chip.
Described less radio-frequency amplification module is used for being amplified by the output signal power of ZIGBEE module, to meet the demand for control of all terminals of Smart Home.This module comprises RFX2401C chip as shown in Figure 7.This chip is that the ZIGBEE monolithic high power amplifier before 2.4GHz terminal IC adopts, and adopts TX/RX transceiver interface and single antenna interface, includes 2.4GHZ low pass filter, chip internal integrated power monitor and forecast function; 1.2V low voltage cmos control logic; All ports have esd protection circuit.And RFX2401C chip is specifically connected as shown in Figure 7 with CC2530 chip, RFX2401C chip connects P1.1 pin and the P1.4 pin of CC2530 chip respectively by self TXEN pin, RXEN pin.
(7) Power convert and charging module, for providing electric energy for above-mentioned modules, the input of described Power convert and charging module connects alternating current, and the output of each different voltage is connected respectively Arduino controller, photoelectric conversion module, ZIGBEE module, WIFI routing module, WIFIbee module.
Power convert in the present embodiment and charging module comprise rechargeable battery, power-switching circuit and charging circuit as shown in Figure 8, and described rechargeable battery adopts lithium battery of the prior art, and power-switching circuit comprises the first change-over circuit that AP1059-5.0 chip is formed, the second change-over circuit that AS1117-3.3 chip is formed, and the 3rd change-over circuit that AS1117-1.8 chip is formed, the input of described first change-over circuit connects external communication electricity by 9V AC adapter, output exports C5.5V power supply, and connect the second change-over circuit successively, 3rd change-over circuit, described second change-over circuit and the 3rd change-over circuit export DC3.3V and DC1.8V power supply respectively, and the DC5.5V exported, DC3.3V, DC1.8V power supply arranges the end points of power supply respectively in corresponding diagram 2 to Fig. 7.
Described charging circuit comprises CN3052A chip, and the input of described CN3052A chip connects outside 9V electricity by AC adapter, and its signal output part connects rechargeable battery by the peripheral circuit arranged.
The present embodiment operation principle is carried out successively according to following steps:
First the present embodiment is connected with external communication electricity by 9V AC adapter, the present embodiment is powered on, the system initialization of the present embodiment simultaneously, after system energization, Arduino controller resets, SPI and I2C bus initialization, all chip resets, Power convert and charging circuit are started working, for realizing Power convert while lithium cell charging, for other modules of system provide DC5V, DC3.3V and DC1.8V;
WIFI hot spot function is opened: after system initialization completes, the focus function of WIFI router is opened, Arduino controller, optical fiber interface, photoelectric conversion module, network interface modular converter and WIFI routing module enter operating state, realize WIFI hot spot function, the wireless terminal such as mobile phone, PAD can access broadband outer net by WIFI hot spot.
Automatic monitoring: when also not having terminal request WIFI hot spot to serve more than 10min, then enter long-time without WIFI function automatically.
Premises equipment requests accesses, gateway adaptive judgement: WIFI hot spot service, the service of ZIGBEE telegon, Arduino Open Source Platform XBEE service terminal realize service access by interrupt mode, and gateway monitors interruption automatically, Adaptive matching service.
Gateway automated response terminal request: when needs WIFI hot spot is served, Arduino controller, optical fiber interface, photoelectric conversion module, network interface modular converter and WIFI routing module enter operating state; When needs ZIGBEE telegon is served, Arduino controller, Zigbee module, less radio-frequency amplification module enter operating state; When needs Arduino Open Source Platform XBEE service is that Arduino controller, WIFIbee module enter operating state.
System low-power consumption access module: WIFI hot spot service, the service of ZIGBEE telegon, Arduino Open Source Platform XBEE serve and all self adaptation can switch and close, all accesses eventually request adopt interrupt mode access, gateway is monitored automatically, when also not having terminal request to serve more than 10min, this service is closed automatically, and corresponding module enters dormancy low power consumpting state.
Claims (6)
1. based on an Intelligent optical fiber IAD for Arduino technology,
it is characterized in that:comprise
As the Arduino controller of control centre, it has SPI interface and dual serial mouth;
For the network signal of input being converted to the network interface modular converter of the protocol and standard of standard, the control signal input of described network interface modular converter connects the SPI interface of Arduino controller;
For light signal being converted to the photoelectric conversion module of the signal of telecommunication, the fiber broadband interface that the signal input part of described photoelectric conversion module is provided by optical fiber interface Access Service Provider, the signal input part of the signal output part interconnection network interface modular converter of photoelectric conversion module;
For providing the WIFI routing module of wireless router focus, the control signal input of described WIFI routing module connects the SPI interface of Arduino controller, the signal output part of its signal input part interconnection network interface modular converter;
For WIFI signal being converted to the WIFIbee module of high speed ZIGBEE signal, the control signal input of described WIFIbee module connects a serial port of Arduino controller;
For realizing the ZIGBEE module of common ZIGBEE coordinator function, the control signal input of described ZIGBEE module connects another serial port of Arduino controller, and its signal output part connects a less radio-frequency amplification module;
For providing Power convert and the charging module of electric energy for above-mentioned modules, the input of described Power convert and charging module connects and connects external communication electricity by AC adapter, and the output of each different voltage is connected respectively Arduino controller, photoelectric conversion module, ZIGBEE module, WIFI routing module, WIFIbee module.
2. the Intelligent optical fiber IAD based on Arduino technology according to claim 1,
it is characterized in that:described Arduino controller one ATmega64A chip is core, has 14 railway digital I/O ports, 6 tunnel analog inputs, and a 16MHz crystal oscillator.
3. the Intelligent optical fiber IAD based on Arduino technology according to claim 2,
it is characterized in that:described optical fiber interface comprises FDX1 standard fiber access port, and switched filter circuit, the fiber broadband interface that the input Connection Service business of described FDX1 standard pipeline access port provides, and output connects the input of switched filter circuit;
Described photoelectric conversion module comprises IP113C chip and 24C01 chip, 100BASE-FX intelligent acess is converted to 10/100BASE-TX and exports by described IP113C chip, its external crystal oscillator pin connects first crystal pierce circuit, and its tenth three-prong FXRDP, the 14 pin FXRDM, the 16 pin FXTDP, the 17 pin FXTDM, the 18 pin FXSD connect the output of switched filter circuit respectively; Described 24C01 chip is 4K Bits Serial COMSE2PROM, and it adopts I by SDA, SCL signal
2c bus interface is connected with IP113C chip;
Described network interface modular converter comprises W5100 chip, described W5100 chip supports SPI interface, its TXOP pin, TXON pin, TXIP pin, RXIN pin are connected respectively TXOP pin, TXON pin, RXIP pin, the RXIN pin of IP113C chip, and connect the PB7 pin of Arduino control by the second pierce circuit that external crystal oscillator pin is external.
4. the Intelligent optical fiber IAD based on Arduino technology according to claim 3,
it is characterized in that:described WIFI routing module comprises the WM-G-MR-9 chip that can realize height WLAN and connect, adopt direct sequence spread spectrum and OFDM data modulation technique, adopt the security mechanism of AES/CCMP and WEP, TKIP simultaneously, there is diverter switch and band-pass filtering function, it connects the SPI interface of Arduino controller respectively by the SPI interface of self, and the SPI interface of W5100 chip.
5. the Intelligent optical fiber IAD based on Arduino technology according to claim 4,
it is characterized in that:described WIFIbee module comprises WIFLYRN171 chip, and described WIFLYRN171 chip is wireless WIFI module, compatible Xbee interface, and its serial port connects first group of serial port of Arduino controller;
Described ZIGBEE module comprises CC2530 chip, and its incoming serial mouth connects second group of serial port of Arduino controller;
Described less radio-frequency amplification module comprises RFX2401C chip, adopts TX/RX transceiver interface and single antenna interface, includes 2.4GHz low pass filter, and its incoming serial mouth connects the output serial port of CC2530 chip.
6. the Intelligent optical fiber IAD based on Arduino technology as claimed in any of claims 1 to 5,
it is characterized in that:described Power convert and charging module comprise rechargeable battery, power-switching circuit and charging circuit, described power-switching circuit comprises the first change-over circuit, the second change-over circuit, the 3rd change-over circuit, the input of described first change-over circuit connects external communication electricity by AC adapter, output exports C5.5V power supply, and connecting the second change-over circuit, the 3rd change-over circuit successively, described second change-over circuit and the 3rd change-over circuit export DC3.3V and DC1.8V power supply respectively;
Described charging circuit comprises CN3052A chip, and the input of described CN3052A chip connects external communication electricity by AC adapter, and its signal output part connects rechargeable battery by the peripheral circuit arranged.
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| CN201510721147.4A CN105357087A (en) | 2015-10-30 | 2015-10-30 | Intelligent fiber access gateway based on Arduino technology |
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