sandbox / ESP8266Interface

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Dependencies:   ESP8266

Fork of ESP8266Interface by Christopher Haster

ESP8266Interface.h@55:c0808849cb89, 2016-04-06 (annotated)

Committer:
geky
Date:
Wed Apr 06 13:49:41 2016 +0000
Revision:
55:c0808849cb89
Parent:
53:8ded612adb96 
Matched changes to NSAPI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
geky 49:750ed1b67483 1 /* ESP8266 implementation of NetworkInterfaceAPI
sarahmarshy 18:9fc7976c7b27 2 * Copyright (c) 2015 ARM Limited
sarahmarshy 18:9fc7976c7b27 3 *
sarahmarshy 18:9fc7976c7b27 4 * Licensed under the Apache License, Version 2.0 (the "License");
sarahmarshy 18:9fc7976c7b27 5 * you may not use this file except in compliance with the License.
sarahmarshy 18:9fc7976c7b27 6 * You may obtain a copy of the License at
sarahmarshy 18:9fc7976c7b27 7 *
sarahmarshy 18:9fc7976c7b27 8 * http://www.apache.org/licenses/LICENSE-2.0
sarahmarshy 18:9fc7976c7b27 9 *
sarahmarshy 18:9fc7976c7b27 10 * Unless required by applicable law or agreed to in writing, software
sarahmarshy 18:9fc7976c7b27 11 * distributed under the License is distributed on an "AS IS" BASIS,
sarahmarshy 18:9fc7976c7b27 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sarahmarshy 18:9fc7976c7b27 13 * See the License for the specific language governing permissions and
sarahmarshy 18:9fc7976c7b27 14 * limitations under the License.
sarahmarshy 18:9fc7976c7b27 15 */
sarahmarshy 18:9fc7976c7b27 16
Christopher Haster 34:9c26a3dcdc1f 17 #ifndef ESP8266_INTERFACE_H
Christopher Haster 34:9c26a3dcdc1f 18 #define ESP8266_INTERFACE_H
sarahmarshy 18:9fc7976c7b27 19
sarahmarshy 18:9fc7976c7b27 20 #include "WiFiInterface.h"
sarahmarshy 23:fd0f3197c30b 21 #include "ESP8266.h"
Christopher Haster 34:9c26a3dcdc1f 22
Christopher Haster 34:9c26a3dcdc1f 23 #define ESP8266_SOCKET_COUNT 5
sarahmarshy 18:9fc7976c7b27 24
Christopher Haster 34:9c26a3dcdc1f 25 /** ESP8266Interface class
Christopher Haster 34:9c26a3dcdc1f 26 * Implementation of the NetworkInterface for the ESP8266
sarahmarshy 18:9fc7976c7b27 27 */
sarahmarshy 18:9fc7976c7b27 28 class ESP8266Interface : public WiFiInterface
sarahmarshy 18:9fc7976c7b27 29 {
sarahmarshy 18:9fc7976c7b27 30 public:
geky 55:c0808849cb89 31 /** ESP8266Interface lifetime
geky 55:c0808849cb89 32 /param tx TX pin
geky 55:c0808849cb89 33 /param rx RX pin
geky 55:c0808849cb89 34 /param debug Enable debugging
geky 55:c0808849cb89 35 */
Christopher Haster 34:9c26a3dcdc1f 36 ESP8266Interface(PinName tx, PinName rx, bool debug = false);
Christopher Haster 34:9c26a3dcdc1f 37
geky 55:c0808849cb89 38 /** Start the interface
geky 55:c0808849cb89 39 /param ssid Name of the network to connect to
geky 55:c0808849cb89 40 /param pass Security passphrase to connect to the network
geky 55:c0808849cb89 41 /param security Type of encryption for connection
geky 55:c0808849cb89 42 /return 0 on success, negative on failure
geky 55:c0808849cb89 43 */
geky 55:c0808849cb89 44 virtual int connect(
Christopher Haster 34:9c26a3dcdc1f 45 const char *ssid,
Christopher Haster 34:9c26a3dcdc1f 46 const char *pass,
geky 55:c0808849cb89 47 nsapi_security_t security = NSAPI_SECURITY_NONE);
geky 55:c0808849cb89 48
geky 55:c0808849cb89 49 /** Stop the interface
geky 55:c0808849cb89 50 * @return 0 on success, negative on failure
geky 55:c0808849cb89 51 */
geky 55:c0808849cb89 52 virtual int disconnect();
geky 55:c0808849cb89 53
geky 55:c0808849cb89 54 /** Get the internally stored IP address
geky 55:c0808849cb89 55 /return IP address of the interface or null if not yet connected
geky 55:c0808849cb89 56 */
geky 55:c0808849cb89 57 virtual const char *get_ip_address();
geky 55:c0808849cb89 58
geky 55:c0808849cb89 59 /** Get the internally stored MAC address
geky 55:c0808849cb89 60 /return MAC address of the interface
geky 55:c0808849cb89 61 */
geky 55:c0808849cb89 62 virtual const char *get_mac_address();
geky 55:c0808849cb89 63
geky 55:c0808849cb89 64 protected:
geky 55:c0808849cb89 65 /** Create a socket
geky 55:c0808849cb89 66 /param proto The type of socket to open, TCP or UDP
geky 55:c0808849cb89 67 /return The alocated socket or null on failure
geky 55:c0808849cb89 68 */
geky 55:c0808849cb89 69 virtual void *socket_create(nsapi_protocol_t proto);
geky 55:c0808849cb89 70
geky 55:c0808849cb89 71 /** Destroy a socket
geky 55:c0808849cb89 72 /param socket Previously allocated socket
geky 55:c0808849cb89 73 */
geky 55:c0808849cb89 74 virtual void socket_destroy(void *handle);
Christopher Haster 34:9c26a3dcdc1f 75
geky 55:c0808849cb89 76 /** Set socket options
geky 55:c0808849cb89 77 \param handle Socket handle
geky 55:c0808849cb89 78 \param optname Option ID
geky 55:c0808849cb89 79 \param optval Option value
geky 55:c0808849cb89 80 \param optlen Length of the option value
geky 55:c0808849cb89 81 \return 0 on success, negative on failure
geky 55:c0808849cb89 82 */
geky 55:c0808849cb89 83 virtual int socket_set_option(void *handle, int optname, const void *optval, unsigned int optlen);
geky 55:c0808849cb89 84
geky 55:c0808849cb89 85 /** Get socket options
geky 55:c0808849cb89 86 \param handle Socket handle
geky 55:c0808849cb89 87 \param optname Option ID
geky 55:c0808849cb89 88 \param optval Buffer pointer where to write the option value
geky 55:c0808849cb89 89 \param optlen Length of the option value
geky 55:c0808849cb89 90 \return 0 on success, negative on failure
geky 55:c0808849cb89 91 */
geky 55:c0808849cb89 92 virtual int socket_get_option(void *handle, int optname, void *optval, unsigned int *optlen);
geky 55:c0808849cb89 93
geky 55:c0808849cb89 94 /** Bind a server socket to a specific port
geky 55:c0808849cb89 95 \param handle Socket handle
geky 55:c0808849cb89 96 \param port The port to listen for incoming connections on
geky 55:c0808849cb89 97 \return 0 on success, negative on failure.
geky 55:c0808849cb89 98 */
geky 55:c0808849cb89 99 virtual int socket_bind(void *handle, int port);
geky 55:c0808849cb89 100
geky 55:c0808849cb89 101 /** Start listening for incoming connections
geky 55:c0808849cb89 102 \param handle Socket handle
geky 55:c0808849cb89 103 \param backlog Number of pending connections that can be queued up at any
geky 55:c0808849cb89 104 one time [Default: 1]
geky 55:c0808849cb89 105 \return 0 on success, negative on failure
geky 55:c0808849cb89 106 */
geky 55:c0808849cb89 107 virtual int socket_listen(void *handle, int backlog);
geky 55:c0808849cb89 108
geky 55:c0808849cb89 109 /** Connects this TCP socket to the server
geky 55:c0808849cb89 110 \param handle Socket handle
geky 55:c0808849cb89 111 \param address SocketAddress to connect to
geky 55:c0808849cb89 112 \return 0 on success, negative on failure
geky 55:c0808849cb89 113 */
geky 55:c0808849cb89 114 virtual int socket_connect(void *handle, const SocketAddress &address);
geky 55:c0808849cb89 115
geky 55:c0808849cb89 116 /** Check if the socket is connected
geky 55:c0808849cb89 117 \param handle Socket handle
geky 55:c0808849cb89 118 \return true if connected, false otherwise
geky 55:c0808849cb89 119 */
geky 55:c0808849cb89 120 virtual bool socket_is_connected(void *handle);
Christopher Haster 34:9c26a3dcdc1f 121
geky 55:c0808849cb89 122 /** Accept a new connection.
geky 55:c0808849cb89 123 \param handle Socket handle
geky 55:c0808849cb89 124 \param socket A TCPSocket instance that will handle the incoming connection.
geky 55:c0808849cb89 125 \return 0 on success, negative on failure.
geky 55:c0808849cb89 126 \note This call is not-blocking, if this call would block, must
geky 55:c0808849cb89 127 immediately return NSAPI_ERROR_WOULD_WAIT
geky 55:c0808849cb89 128 */
geky 55:c0808849cb89 129 virtual int socket_accept(void *handle, void **connection);
geky 55:c0808849cb89 130
geky 55:c0808849cb89 131 /** Send data to the remote host
geky 55:c0808849cb89 132 \param handle Socket handle
geky 55:c0808849cb89 133 \param data The buffer to send to the host
geky 55:c0808849cb89 134 \param size The length of the buffer to send
geky 55:c0808849cb89 135 \return Number of written bytes on success, negative on failure
geky 55:c0808849cb89 136 \note This call is not-blocking, if this call would block, must
geky 55:c0808849cb89 137 immediately return NSAPI_ERROR_WOULD_WAIT
geky 55:c0808849cb89 138 */
geky 55:c0808849cb89 139 virtual int socket_send(void *handle, const void *data, unsigned size);
geky 55:c0808849cb89 140
geky 55:c0808849cb89 141 /** Receive data from the remote host
geky 55:c0808849cb89 142 \param handle Socket handle
geky 55:c0808849cb89 143 \param data The buffer in which to store the data received from the host
geky 55:c0808849cb89 144 \param size The maximum length of the buffer
geky 55:c0808849cb89 145 \return Number of received bytes on success, negative on failure
geky 55:c0808849cb89 146 \note This call is not-blocking, if this call would block, must
geky 55:c0808849cb89 147 immediately return NSAPI_ERROR_WOULD_WAIT
geky 55:c0808849cb89 148 */
geky 55:c0808849cb89 149 virtual int socket_recv(void *handle, void *data, unsigned size);
geky 55:c0808849cb89 150
geky 55:c0808849cb89 151 /** Send a packet to a remote endpoint
geky 55:c0808849cb89 152 \param handle Socket handle
geky 55:c0808849cb89 153 \param address The remote SocketAddress
geky 55:c0808849cb89 154 \param data The packet to be sent
geky 55:c0808849cb89 155 \param size The length of the packet to be sent
geky 55:c0808849cb89 156 \return the number of written bytes on success, negative on failure
geky 55:c0808849cb89 157 \note This call is not-blocking, if this call would block, must
geky 55:c0808849cb89 158 immediately return NSAPI_ERROR_WOULD_WAIT
geky 55:c0808849cb89 159 */
geky 55:c0808849cb89 160 virtual int socket_sendto(void *handle, const SocketAddress &address, const void *data, unsigned size);
Christopher Haster 34:9c26a3dcdc1f 161
geky 55:c0808849cb89 162 /** Receive a packet from a remote endpoint
geky 55:c0808849cb89 163 \param handle Socket handle
geky 55:c0808849cb89 164 \param address Destination for the remote SocketAddress or null
geky 55:c0808849cb89 165 \param buffer The buffer for storing the incoming packet data
geky 55:c0808849cb89 166 If a packet is too long to fit in the supplied buffer,
geky 55:c0808849cb89 167 excess bytes are discarded
geky 55:c0808849cb89 168 \param size The length of the buffer
geky 55:c0808849cb89 169 \return the number of received bytes on success, negative on failure
geky 55:c0808849cb89 170 \note This call is not-blocking, if this call would block, must
geky 55:c0808849cb89 171 immediately return NSAPI_ERROR_WOULD_WAIT
geky 55:c0808849cb89 172 */
geky 55:c0808849cb89 173 virtual int socket_recvfrom(void *handle, SocketAddress *address, void *buffer, unsigned size);
geky 55:c0808849cb89 174
geky 55:c0808849cb89 175 /** Close the socket
geky 55:c0808849cb89 176 \param handle Socket handle
geky 55:c0808849cb89 177 \param shutdown free the left-over data in message queues
geky 55:c0808849cb89 178 */
geky 55:c0808849cb89 179 virtual int socket_close(void *handle, bool shutdown);
Christopher Haster 34:9c26a3dcdc1f 180
geky 55:c0808849cb89 181 /** Register a callback on when a new connection is ready
geky 55:c0808849cb89 182 \param handle Socket handle
geky 55:c0808849cb89 183 \param callback Function to call when accept will succeed, may be called in
geky 55:c0808849cb89 184 interrupt context.
geky 55:c0808849cb89 185 \param id Argument to pass to callback
geky 55:c0808849cb89 186 */
geky 55:c0808849cb89 187 virtual void socket_attach_accept(void *handle, void (*callback)(void *), void *id);
geky 55:c0808849cb89 188
geky 55:c0808849cb89 189 /** Register a callback on when send is ready
geky 55:c0808849cb89 190 \param handle Socket handle
geky 55:c0808849cb89 191 \param callback Function to call when accept will succeed, may be called in
geky 55:c0808849cb89 192 interrupt context.
geky 55:c0808849cb89 193 \param id Argument to pass to callback
geky 55:c0808849cb89 194 */
geky 55:c0808849cb89 195 virtual void socket_attach_send(void *handle, void (*callback)(void *), void *id);
geky 55:c0808849cb89 196
geky 55:c0808849cb89 197 /** Register a callback on when recv is ready
geky 55:c0808849cb89 198 \param handle Socket handle
geky 55:c0808849cb89 199 \param callback Function to call when accept will succeed, may be called in
geky 55:c0808849cb89 200 interrupt context.
geky 55:c0808849cb89 201 \param id Argument to pass to callback
geky 55:c0808849cb89 202 */
geky 55:c0808849cb89 203 virtual void socket_attach_recv(void *handle, void (*callback)(void *), void *id);
geky 55:c0808849cb89 204
Christopher Haster 34:9c26a3dcdc1f 205 private:
Christopher Haster 34:9c26a3dcdc1f 206 ESP8266 _esp;
Christopher Haster 34:9c26a3dcdc1f 207 bool _ids[ESP8266_SOCKET_COUNT];
sarahmarshy 18:9fc7976c7b27 208 };
sarahmarshy 18:9fc7976c7b27 209
sarahmarshy 18:9fc7976c7b27 210 #endif
geky 55:c0808849cb89 211