wifly/socket interface for wifly modules
Dependents: PROJET_MATTHIEU_2019 PROJET_MATTHIEU_2019
Diff: Wifly/Wifly.h
- Revision:
- 5:8e253731f76f
- Parent:
- 4:74bfdd00362a
- Child:
- 7:a92dbed32890
diff -r 74bfdd00362a -r 8e253731f76f Wifly/Wifly.h --- a/Wifly/Wifly.h Thu Aug 23 10:32:45 2012 +0000 +++ b/Wifly/Wifly.h Thu Aug 23 10:37:27 2012 +0000 @@ -1,190 +1,190 @@ -/* 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 - -class Wifly { - -public: - /* - * Constructor for joining open, wep or wpa secured networks - * - * @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 wpa true if wpa security false otherwise - */ - Wifly( PinName tx, PinName rx, PinName reset, PinName tcp_status, const char * ssid, const char * phrase, bool wpa); - - /* - * 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); - - /* - * Connect the wifi module to the ssid contained in the constructor. - * - * @return true if connected, false otherwise - */ - bool join(); - - /* - * Close a connection with the access point - * - * @ returns true if successful - */ - bool leave(); - - /* - * Read a string if available - * - *@param str pointer where will be stored the string read - */ - bool read(char * str); - - /* - * 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 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 dnsLookup(const char * host, char * ip); - - static Wifly * getInstance() {return inst;}; - -protected: - Serial wifi; - DigitalOut reset_pin; - DigitalIn tcp_status; - bool wpa; - bool dhcp; - const char * phrase; - const char * ssid; - const char * ip; - const char * netmask; - const char * gateway; - int channel; - CircBuffer<char> buf_wifly; - - bool cmd_mode; - - static Wifly * inst; - - void attach_rx(bool null); - void handler_rx(void); -}; - +/* 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 + +class Wifly { + +public: + /* + * Constructor for joining open, wep or wpa secured networks + * + * @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 wpa true if wpa security false otherwise + */ + Wifly( PinName tx, PinName rx, PinName reset, PinName tcp_status, const char * ssid, const char * phrase, bool wpa); + + /* + * 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); + + /* + * Connect the wifi module to the ssid contained in the constructor. + * + * @return true if connected, false otherwise + */ + bool join(); + + /* + * Close a connection with the access point + * + * @ returns true if successful + */ + bool leave(); + + /* + * Read a string if available + * + *@param str pointer where will be stored the string read + */ + bool read(char * str); + + /* + * 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 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 dnsLookup(const char * host, char * ip); + + static Wifly * getInstance() {return inst;}; + +protected: + Serial wifi; + DigitalOut reset_pin; + DigitalIn tcp_status; + bool wpa; + bool dhcp; + char phrase[30]; + char ssid[30]; + const char * ip; + const char * netmask; + const char * gateway; + int channel; + CircBuffer<char> buf_wifly; + + bool cmd_mode; + + static Wifly * inst; + + void attach_rx(bool null); + void handler_rx(void); +}; + #endif \ No newline at end of file