John Bailey / XBee

XBee-mbed library Forked from http://mbed.org/users/okini3939/notebook/xbee-mbed/

Fork of XBee by Suga koubou

XBeeWiFi.h@4:f6d73acc1f75, 2012-03-13 (annotated)

Committer:
okini3939
Date:
Tue Mar 13 09:01:52 2012 +0000
Revision:
4:f6d73acc1f75
Parent:
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Child:
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Who changed what in which revision?

        

            
                
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/**





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 * XBee Wi-Fi library for mbed





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 * Copyright (c) 2011 Hiroshi Suga





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 * Released under the MIT License: http://mbed.org/license/mit





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 */





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/** @file





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 * @brief XBee Wi-Fi library for mbed





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 */





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#ifndef XBeeWiFi_h





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#define XBeeWiFi_h





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#include "mbed.h"





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#include "EthernetNetIf.h"





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#include "XBee.h"





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#include <inttypes.h>





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#define USE_WIFICLASS





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#define USE_WIFIDNS





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// the non-variable length of the frame data (not including frame id or api id or variable data size (e.g. payload, at command set value)





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#define IPv4_TRANSMIT_REQUEST_API_LENGTH 10





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/**





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 * Api Id constants





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 */





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#define IPv4_TRANSMIT_REQUEST 0x20





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#define IPv4_RX_FRAME 0xb0





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#define IPv4_TRANSMIT_STATUS 0x89





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/// status





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#define MAC_FAILUE 0x01





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#define PHYSICAL_ERROR 0x04





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#define NETWORK_ACK_FAILUE 0x21





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#define NOT_ASSOCIATED 0x22





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#define NO_RESOURCES 0x32





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#define CONNECTIONS_FAILUE 0x76





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/// protocol





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#define PROTOCOL_UDP 0





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#define PROTOCOL_TCP 1





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/// option





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#define OPTION_LEAVEOPEN 1





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/// security





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#define SECURITY_OPEN 0





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#define SECURITY_WPA 1





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#define SECURITY_WPA2 2





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#define SECURITY_WEP40 3





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#define SECURITY_WEP104 4





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/// modem status





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#define JOINED_AP 0





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#define INITIALIZATION 0x01





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#define SSID_NOT_FOUND 0x22





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#define SSID_NOT_CONFIGURED 0x23





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#define JOIN_FAILED 0x27





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#define WAITING_IPADDRESS 0x41





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#define WAITING_SOCKETS 0x42





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#define SCANNING_SSID 0xff





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/// dns





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#define DNS_QUERY_A 1





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#define DNS_QUERY_NS 2





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#define DNS_QUERY_CNAME 5





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#define DNS_QUERY_PTR 12





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#define DNS_QUERY_MX 15





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#define DNS_QUERY_AAAA 28





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#define DNS_QUERY_ANY 255





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#define DNS_CLASS_IN 1





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#define DNS_PORT 53





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#define DNS_SRC_PORT 10053





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#define DNS_TIMEOUT 15000 // ms





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struct DNSHeader {





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        uint16_t id; 





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        uint16_t flags; 





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        uint16_t questions; 





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        uint16_t answers; 





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        uint16_t authorities; 





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        uint16_t additional; 





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};





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struct DnsQuestionEnd { 





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        uint16_t type; 





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        uint16_t clas; 





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};





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struct DnsAnswer {





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        uint16_t name; 





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        uint16_t type; 





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        uint16_t clas; 





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        uint32_t ttl; 





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        uint16_t length; 





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} __attribute__((packed)); 





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#ifdef USE_WIFICLASS





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/**





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 * Primary interface for communicating with an XBee Wi-Fi.





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 */





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class XBeeWiFi : public XBee {





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public:





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    XBeeWiFi (PinName p_tx, PinName p_rx, PinName p_cts, PinName p_rts);





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    int setup (int security, const char *ssid, const char *pin);





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    int setup (const char *ssid);





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    int reset ();





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    int baud (int b);





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    int setAddress ();





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    int setAddress (IpAddr &ipaddr, IpAddr &netmask, IpAddr &gateway, IpAddr &nameserver);





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    int getAddress (IpAddr &ipaddr, IpAddr &netmask, IpAddr &gateway, IpAddr &nameserver);





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    int setTimeout (int timeout);





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    int getStatus ();





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    int getWiResponse (int apiId, int frameid = 0, int timeout = 3000);





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#ifdef USE_WIFIDNS





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    int setNameserver (IpAddr &nameserver);





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    int getHostByName (const char* name, IpAddr &addr);





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#endif





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    /**





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     * Call with instance of AtCommandResponse only if getApiId() == AT_COMMAND_RESPONSE





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     */





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//    void getIPV4RxFrame (XBeeResponse &responses);





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protected:





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    int getWiAddr (IpAddr &ipaddr);





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#ifdef USE_WIFIDNS





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    int createDnsRequest (const char* name, char *buf);





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    int getDnsResponse (const uint8_t *buf, int len, IpAddr &addr);





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#endif





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private:





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    IpAddr _nameserver;





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};





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#endif





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/**





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 * Represents a Wi-Fi TX packet that corresponds to Api Id: IPv4_TRANSMIT_REQUEST





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 */





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class IPv4TransmitRequest : public PayloadRequest {





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public:





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    /**





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     * Creates a unicast IPv4TransmitRequest with the DEFAULT_FRAME_ID





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     */





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    IPv4TransmitRequest(IpAddr &dstAddr, uint16_t dstPort, uint16_t srcPort, uint8_t protocol, uint8_t option, uint8_t *data, uint16_t dataLength, uint8_t frameId);





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    IPv4TransmitRequest(IpAddr &dstAddr, uint16_t dstPort, uint8_t *data, uint16_t dataLength);





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    /**





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     * Creates a default instance of this class.  At a minimum you must specify





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     * a payload, payload length and a destination address before sending this request.





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     */





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    IPv4TransmitRequest();





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    IpAddr& getAddress();





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    uint16_t getDstPort();





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    uint16_t getSrcPort();





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    uint8_t getProtocol();





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    uint8_t getOption();





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    void setAddress(IpAddr& dstAddr);





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    void setDstPort(uint16_t dstPort);





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    void setSrcPort(uint16_t srcPort);





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    void setProtocol(uint8_t protocol);





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    void setOption(uint8_t option);





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protected:





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    // declare virtual functions





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    virtual uint8_t getFrameData(uint16_t pos);





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    virtual uint16_t getFrameDataLength();





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private:





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    IpAddr _dstAddr;





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    uint16_t _dstPort;





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    uint16_t _srcPort;





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    uint8_t _protocol;





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    uint8_t _option;





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};





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/**





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 * Represents a Wi-Fi TX status packet





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 */





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class Transmit_Status : public FrameIdResponse {





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public:





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    Transmit_Status();





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    uint8_t getStatus();





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    bool isSuccess();





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};





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/**





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 * Represents a Wi-Fi RX packet





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 */





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class IPV4RxFrame : public RxDataResponse {





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public:





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    IPV4RxFrame();





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    IpAddr& getSrcAddress();





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    uint16_t getDstPort();





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    uint16_t getSrcPort();





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    uint8_t getProtocol();





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    uint8_t getStatus();





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    virtual uint16_t getDataLength();





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    // frame position where data starts





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    virtual uint8_t getDataOffset();





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private:





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    IpAddr _srcAddr;





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};





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#endif //XBeeWiFi_h