Update ESP8266.h to increase size of ssid & phrase to Wifi standards of 32 & 64
Fork of ESP8266Interface by
Wifly/Wifly.h
- Committer:
- samux
- Date:
- 2012-08-24
- Revision:
- 1:fb4494783863
- Child:
- 3:9aa05e19c62e
- Child:
- 7:3152fcc74390
File content as of revision 1:fb4494783863:
/* Copyright (C) 2012 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * @section DESCRIPTION * * Wifly RN131-C, wifi module * * Datasheet: * * http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Wireless/WiFi/WiFly-RN-UM.pdf */ #ifndef WIFLY_H #define WIFLY_H #include "mbed.h" #include "CBuffer.h" #define DEFAULT_WAIT_RESP_TIMEOUT 500 enum Security { NONE = 0, WEP_128 = 1, WPA = 3 }; enum Protocol { UDP = (1 << 0), TCP = (1 << 1) }; class Wifly { public: /* * Constructor * * @param tx mbed pin to use for tx line of Serial interface * @param rx mbed pin to use for rx line of Serial interface * @param reset reset pin of the wifi module () * @param tcp_status connection status pin of the wifi module (GPIO 6) * @param ssid ssid of the network * @param phrase WEP or WPA key * @param sec Security type (NONE, WEP_128 or WPA) */ Wifly( PinName tx, PinName rx, PinName reset, PinName tcp_status, const char * ssid, const char * phrase, Security sec); /* * Connect the wifi module to the ssid contained in the constructor. * * @return true if connected, false otherwise */ bool join(); /* * Disconnect the wifly module from the access point * * @ returns true if successful */ bool disconnect(); /* * Open a tcp connection with the specified host on the specified port * * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established) * @param port port * @ returns true if successful */ bool connect(const char * host, int port); /* * Set the protocol (UDP or TCP) * * @param p protocol * @ returns true if successful */ bool setProtocol(Protocol p); /* * Reset the wifi module */ void reset(); /* * Check if characters are available * * @return number of available characters */ int readable(); /* * Check if characters are available * * @return number of available characters */ int writeable(); /* * Check if a tcp link is active * * @returns true if successful */ bool is_connected(); /* * Read a character * * @return the character read */ char getc(); /* * Flush the buffer */ void flush(); /* * Write a character * * @param the character which will be written */ int putc(char c); /* * To enter in command mode (we can configure the module) * * @return true if successful, false otherwise */ bool cmdMode(); /* * To exit the command mode * * @return true if successful, false otherwise */ bool exit(); /* * Close a tcp connection * * @ returns true if successful */ bool close(); /* * Send a string to the wifi module by serial port. This function desactivates the user interrupt handler when a character is received to analyze the response from the wifi module. * Useful to send a command to the module and wait a response. * * * @param str string to be sent * @param len string length * @param ACK string which must be acknowledge by the wifi module. If ACK == NULL, no string has to be acknoledged. (default: "NO") * @param res this field will contain the response from the wifi module, result of a command sent. This field is available only if ACK = "NO" AND res != NULL (default: NULL) * * @return true if ACK has been found in the response from the wifi module. False otherwise or if there is no response in 5s. */ int send(const char * str, int len, const char * ACK = NULL, char * res = NULL, int timeout = DEFAULT_WAIT_RESP_TIMEOUT); /* * Send a command to the wify module. Check if the module is in command mode. If not enter in command mode * * @param str string to be sent * @param ACK string which must be acknowledge by the wifi module. If ACK == NULL, no string has to be acknoledged. (default: "NO") * @param res this field will contain the response from the wifi module, result of a command sent. This field is available only if ACK = "NO" AND res != NULL (default: NULL) * * @returns true if successful */ bool sendCommand(const char * cmd, const char * ack = NULL, char * res = NULL, int timeout = DEFAULT_WAIT_RESP_TIMEOUT); bool gethostbyname(const char * host, char * ip); static Wifly * getInstance() { return inst; }; protected: Serial wifi; DigitalOut reset_pin; DigitalIn tcp_status; char phrase[30]; char ssid[30]; const char * ip; const char * netmask; const char * gateway; int channel; CircBuffer<char> buf_wifly; static Wifly * inst; void attach_rx(bool null); void handler_rx(void); typedef struct STATE { bool associated; bool tcp; bool dhcp; Security sec; Protocol proto; bool cmd_mode; } State; State state; char * getStringSecurity(); }; #endif