W5500 driver for mbed OS 5

Dependents:   http-webserver-example mbed-os-example-sockets

Fork of W5500Interface by Sergei G

Revision:
6:e2ab76b2be07
Parent:
2:06b6f9f7c071
Child:
8:c71c66d43703
--- a/W5500Interface.h	Thu Jul 06 05:46:17 2017 +0000
+++ b/W5500Interface.h	Thu Aug 09 08:10:27 2018 +0000
@@ -1,265 +1,271 @@
-/* W5500 implementation of NetworkInterfaceAPI
- * Copyright (c) 2015 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef W5500_INTERFACE_H
-#define W5500_INTERFACE_H
-
-#include "NetworkStack.h"
-#include "EthInterface.h"
-
-#include "rtos.h"
-#include "WIZnet/W5500.h"
-
-/** w5500_socket struct
- *  W5500 socket 
- */
- 
-struct w5500_socket {
-   int   fd;
-   nsapi_protocol_t proto;
-   void  (*callback)(void *);
-   void  *callback_data;
-   bool  connected;
-}; 
-
-/** W5500Interface class
- *  Implementation of the NetworkStack for the W5500
- */
-
-class W5500Interface : public NetworkStack, public EthInterface, public WIZnet_Chip 
-{
-public:
-    W5500Interface(SPI* spi, PinName cs, PinName reset);
-    W5500Interface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
-    
-    int init();
-    int init(uint8_t * mac);
-    int init(const char* ip, const char* mask, const char* gateway);
-    int init(uint8_t * mac, const char* ip, const char* mask, const char* gateway);
-
-    /** Start the interface
-     *  @return             0 on success, negative on failure
-     */
-    virtual int connect();
-
-    /** Stop the interface
-     *  @return             0 on success, negative on failure
-     */
-    virtual int disconnect();
-
-    /** Get the internally stored IP address
-     *  @return             IP address of the interface or null if not yet connected
-     */
-    virtual const char *get_ip_address();
-
-    /** Get MAC address and fill mac with it. 
-    */
-    void get_mac(uint8_t mac[6]) ;
-
-    /** Get the internally stored MAC address
-     *  @return             MAC address of the interface
-     */
-    virtual const char *get_mac_address();
-
-protected:
-    /** Opens a socket
-     *
-     *  Creates a network socket and stores it in the specified handle.
-     *  The handle must be passed to following calls on the socket.
-     *
-     *  A stack may have a finite number of sockets, in this case
-     *  NSAPI_ERROR_NO_SOCKET is returned if no socket is available.
-     *
-     *  @param handle   Destination for the handle to a newly created socket
-     *  @param proto    Protocol of socket to open, NSAPI_TCP or NSAPI_UDP
-     *  @return         0 on success, negative error code on failure
-     */
-    virtual nsapi_error_t socket_open(nsapi_socket_t *handle, nsapi_protocol_t proto);
-
-    /** Close the socket
-     *
-     *  Closes any open connection and deallocates any memory associated
-     *  with the socket.
-     *
-     *  @param handle   Socket handle
-     *  @return         0 on success, negative error code on failure
-     */
-    virtual nsapi_error_t socket_close(nsapi_socket_t handle);
-
-    /** Bind a specific address to a socket
-     *
-     *  Binding a socket specifies the address and port on which to recieve
-     *  data. If the IP address is zeroed, only the port is bound.
-     *
-     *  @param handle   Socket handle
-     *  @param address  Local address to bind
-     *  @return         0 on success, negative error code on failure.
-     */
-    virtual nsapi_error_t socket_bind(nsapi_socket_t handle, const SocketAddress &address);
-
-    /** Listen for connections on a TCP socket
-     *
-     *  Marks the socket as a passive socket that can be used to accept
-     *  incoming connections.
-     *
-     *  @param handle   Socket handle
-     *  @param backlog  Number of pending connections that can be queued
-     *                  simultaneously
-     *  @return         0 on success, negative error code on failure
-     */
-    virtual nsapi_error_t socket_listen(nsapi_socket_t handle, int backlog);
-
-    /** Connects TCP socket to a remote host
-     *
-     *  Initiates a connection to a remote server specified by the
-     *  indicated address.
-     *
-     *  @param handle   Socket handle
-     *  @param address  The SocketAddress of the remote host
-     *  @return         0 on success, negative error code on failure
-     */
-    virtual nsapi_error_t socket_connect(nsapi_socket_t handle, const SocketAddress &address);
-
-    /** Accepts a connection on a TCP socket
-     *
-     *  The server socket must be bound and set to listen for connections.
-     *  On a new connection, creates a network socket and stores it in the
-     *  specified handle. The handle must be passed to following calls on
-     *  the socket.
-     *
-     *  A stack may have a finite number of sockets, in this case
-     *  NSAPI_ERROR_NO_SOCKET is returned if no socket is available.
-     *
-     *  This call is non-blocking. If accept would block,
-     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
-     *
-     *  @param server   Socket handle to server to accept from
-     *  @param handle   Destination for a handle to the newly created socket
-     *  @param address  Destination for the remote address or NULL
-     *  @return         0 on success, negative error code on failure
-     */
-    virtual nsapi_error_t socket_accept(nsapi_socket_t server,
-            nsapi_socket_t *handle, SocketAddress *address=0);
-     
-    /** Send data over a TCP socket
-     *
-     *  The socket must be connected to a remote host. Returns the number of
-     *  bytes sent from the buffer.
-     *
-     *  This call is non-blocking. If send would block,
-     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
-     *
-     *  @param handle   Socket handle
-     *  @param data     Buffer of data to send to the host
-     *  @param size     Size of the buffer in bytes
-     *  @return         Number of sent bytes on success, negative error
-     *                  code on failure
-     */
-    virtual nsapi_size_or_error_t socket_send(nsapi_socket_t handle,
-            const void *data, nsapi_size_t size);
-
-    /** Receive data over a TCP socket
-     *
-     *  The socket must be connected to a remote host. Returns the number of
-     *  bytes received into the buffer.
-     *
-     *  This call is non-blocking. If recv would block,
-     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
-     *
-     *  @param handle   Socket handle
-     *  @param data     Destination buffer for data received from the host
-     *  @param size     Size of the buffer in bytes
-     *  @return         Number of received bytes on success, negative error
-     *                  code on failure
-     */
-    virtual nsapi_size_or_error_t socket_recv(nsapi_socket_t handle,
-            void *data, nsapi_size_t size);
-
-    /** Send a packet over a UDP socket
-     *
-     *  Sends data to the specified address. Returns the number of bytes
-     *  sent from the buffer.
-     *
-     *  This call is non-blocking. If sendto would block,
-     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
-     *
-     *  @param handle   Socket handle
-     *  @param address  The SocketAddress of the remote host
-     *  @param data     Buffer of data to send to the host
-     *  @param size     Size of the buffer in bytes
-     *  @return         Number of sent bytes on success, negative error
-     *                  code on failure
-     */
-    virtual nsapi_size_or_error_t socket_sendto(nsapi_socket_t handle, const SocketAddress &address,
-            const void *data, nsapi_size_t size);
-
-    /** Receive a packet over a UDP socket
-     *
-     *  Receives data and stores the source address in address if address
-     *  is not NULL. Returns the number of bytes received into the buffer.
-     *
-     *  This call is non-blocking. If recvfrom would block,
-     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
-     *
-     *  @param handle   Socket handle
-     *  @param address  Destination for the source address or NULL
-     *  @param data     Destination buffer for data received from the host
-     *  @param size     Size of the buffer in bytes
-     *  @return         Number of received bytes on success, negative error
-     *                  code on failure
-     */
-    virtual nsapi_size_or_error_t socket_recvfrom(nsapi_socket_t handle, SocketAddress *address,
-            void *buffer, nsapi_size_t size);
-
-    /** Register a callback on state change of the socket
-     *
-     *  The specified callback will be called on state changes such as when
-     *  the socket can recv/send/accept successfully and on when an error
-     *  occurs. The callback may also be called spuriously without reason.
-     *
-     *  The callback may be called in an interrupt context and should not
-     *  perform expensive operations such as recv/send calls.
-     *
-     *  @param handle   Socket handle
-     *  @param callback Function to call on state change
-     *  @param data     Argument to pass to callback
-     */
-    virtual void socket_attach(nsapi_socket_t handle, void (*callback)(void *), void *data);
-    
-    virtual NetworkStack* get_stack() {return this;}
-    
-private:
-    char ip_string[20];
-    char mask_string[20];
-    char gw_string[20];
-    char mac_string[20];
-    bool ip_set;    
-    
-    int listen_port;
-    
-    void signal_event(nsapi_socket_t handle);
-    
-    //w5500 socket management
-    struct w5500_socket w5500_sockets[MAX_SOCK_NUM];
-    w5500_socket* get_sock(int fd);
-    void init_socks();
-
-    Thread *_daemon;
-    void daemon();
-
-};
-
-#endif
+/**
+  ******************************************************************************
+  * @file    W5500Interface.h
+  * @author  Bongjun Hur (modified version from Sergei G (https://os.mbed.com/users/sgnezdov/))
+  * @brief   Header file of the NetworkStack for the W5500 Device
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, WIZnet SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2017,2018 WIZnet Co.,Ltd.</center></h2>
+  ******************************************************************************
+  */
+
+#ifndef W5500_INTERFACE_H
+#define W5500_INTERFACE_H
+
+#include "mbed.h"
+#include "W5500.h"
+//#include "rtos.h"
+
+/** w5500_socket struct
+ *  W5500 socket 
+ */
+ 
+struct w5500_socket {
+   int   fd;
+   nsapi_protocol_t proto;
+   bool  connected;
+   void  (*callback)(void *);
+   void  *callback_data;
+}; 
+
+/** W5500Interface class
+ *  Implementation of the NetworkStack for the W5500
+ */
+
+class W5500Interface : public NetworkStack, public EthInterface
+{
+public:
+    W5500Interface(SPI* spi, PinName cs, PinName reset);
+    W5500Interface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+    
+    int init();
+    int init(uint8_t * mac);
+    int init(const char* ip, const char* mask, const char* gateway);
+    int init(uint8_t * mac, const char* ip, const char* mask, const char* gateway);
+ 
+    /** Start the interface
+     *  @return             0 on success, negative on failure
+     */
+    virtual int connect();
+ 
+    /** Stop the interface
+     *  @return             0 on success, negative on failure
+     */
+    virtual int disconnect();
+ 
+    /** Get the internally stored IP address
+     *  @return             IP address of the interface or null if not yet connected
+     */
+    virtual const char *get_ip_address();
+ 
+    /** Get MAC address and fill mac with it. 
+    */
+    void get_mac(uint8_t mac[6]) ;
+ 
+    /** Get the internally stored MAC address
+     *  @return             MAC address of the interface
+     */
+    virtual const char *get_mac_address();
+	
+protected:
+    /** Opens a socket
+     *
+     *  Creates a network socket and stores it in the specified handle.
+     *  The handle must be passed to following calls on the socket.
+     *
+     *  A stack may have a finite number of sockets, in this case
+     *  NSAPI_ERROR_NO_SOCKET is returned if no socket is available.
+     *
+     *  @param handle   Destination for the handle to a newly created socket
+     *  @param proto    Protocol of socket to open, NSAPI_TCP or NSAPI_UDP
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual nsapi_error_t socket_open(nsapi_socket_t *handle, nsapi_protocol_t proto);
+//    virtual int socket_open(void **handle, nsapi_protocol_t proto);
+
+    /** Close the socket
+     *
+     *  Closes any open connection and deallocates any memory associated
+     *  with the socket.
+     *
+     *  @param handle   Socket handle
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual nsapi_error_t socket_close(nsapi_socket_t handle);
+
+    /** Bind a specific address to a socket
+     *
+     *  Binding a socket specifies the address and port on which to recieve
+     *  data. If the IP address is zeroed, only the port is bound.
+     *
+     *  @param handle   Socket handle
+     *  @param address  Local address to bind
+     *  @return         0 on success, negative error code on failure.
+     */
+    virtual nsapi_error_t socket_bind(nsapi_socket_t handle, const SocketAddress &address);
+
+    /** Listen for connections on a TCP socket
+     *
+     *  Marks the socket as a passive socket that can be used to accept
+     *  incoming connections.
+     *
+     *  @param handle   Socket handle
+     *  @param backlog  Number of pending connections that can be queued
+     *                  simultaneously
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual nsapi_error_t socket_listen(nsapi_socket_t handle, int backlog);
+
+    /** Connects TCP socket to a remote host
+     *
+     *  Initiates a connection to a remote server specified by the
+     *  indicated address.
+     *
+     *  @param handle   Socket handle
+     *  @param address  The SocketAddress of the remote host
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual nsapi_error_t socket_connect(nsapi_socket_t handle, const SocketAddress &address);
+
+    /** Accepts a connection on a TCP socket
+     *
+     *  The server socket must be bound and set to listen for connections.
+     *  On a new connection, creates a network socket and stores it in the
+     *  specified handle. The handle must be passed to following calls on
+     *  the socket.
+     *
+     *  A stack may have a finite number of sockets, in this case
+     *  NSAPI_ERROR_NO_SOCKET is returned if no socket is available.
+     *
+     *  This call is non-blocking. If accept would block,
+     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+     *
+     *  @param server   Socket handle to server to accept from
+     *  @param handle   Destination for a handle to the newly created socket
+     *  @param address  Destination for the remote address or NULL
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual nsapi_error_t socket_accept(nsapi_socket_t server,
+            nsapi_socket_t *handle, SocketAddress *address=0);
+     
+    /** Send data over a TCP socket
+     *
+     *  The socket must be connected to a remote host. Returns the number of
+     *  bytes sent from the buffer.
+     *
+     *  This call is non-blocking. If send would block,
+     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+     *
+     *  @param handle   Socket handle
+     *  @param data     Buffer of data to send to the host
+     *  @param size     Size of the buffer in bytes
+     *  @return         Number of sent bytes on success, negative error
+     *                  code on failure
+     */
+    virtual nsapi_size_or_error_t socket_send(nsapi_socket_t handle,
+            const void *data, nsapi_size_t size);
+
+    /** Receive data over a TCP socket
+     *
+     *  The socket must be connected to a remote host. Returns the number of
+     *  bytes received into the buffer.
+     *
+     *  This call is non-blocking. If recv would block,
+     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+     *
+     *  @param handle   Socket handle
+     *  @param data     Destination buffer for data received from the host
+     *  @param size     Size of the buffer in bytes
+     *  @return         Number of received bytes on success, negative error
+     *                  code on failure
+     */
+    virtual nsapi_size_or_error_t socket_recv(nsapi_socket_t handle,
+            void *data, nsapi_size_t size);
+
+    /** Send a packet over a UDP socket
+     *
+     *  Sends data to the specified address. Returns the number of bytes
+     *  sent from the buffer.
+     *
+     *  This call is non-blocking. If sendto would block,
+     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+     *
+     *  @param handle   Socket handle
+     *  @param address  The SocketAddress of the remote host
+     *  @param data     Buffer of data to send to the host
+     *  @param size     Size of the buffer in bytes
+     *  @return         Number of sent bytes on success, negative error
+     *                  code on failure
+     */
+    virtual nsapi_size_or_error_t socket_sendto(nsapi_socket_t handle, const SocketAddress &address,
+            const void *data, nsapi_size_t size);
+
+    /** Receive a packet over a UDP socket
+     *
+     *  Receives data and stores the source address in address if address
+     *  is not NULL. Returns the number of bytes received into the buffer.
+     *
+     *  This call is non-blocking. If recvfrom would block,
+     *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+     *
+     *  @param handle   Socket handle
+     *  @param address  Destination for the source address or NULL
+     *  @param data     Destination buffer for data received from the host
+     *  @param size     Size of the buffer in bytes
+     *  @return         Number of received bytes on success, negative error
+     *                  code on failure
+     */
+    virtual nsapi_size_or_error_t socket_recvfrom(nsapi_socket_t handle, SocketAddress *address,
+            void *buffer, nsapi_size_t size);
+
+    /** Register a callback on state change of the socket
+     *
+     *  The specified callback will be called on state changes such as when
+     *  the socket can recv/send/accept successfully and on when an error
+     *  occurs. The callback may also be called spuriously without reason.
+     *
+     *  The callback may be called in an interrupt context and should not
+     *  perform expensive operations such as recv/send calls.
+     *
+     *  @param handle   Socket handle
+     *  @param callback Function to call on state change
+     *  @param data     Argument to pass to callback
+     */
+    virtual void socket_attach(nsapi_socket_t handle, void (*callback)(void *), void *data);
+    
+    virtual NetworkStack* get_stack() {return this;}
+
+private:
+	WIZnet_Chip _w5500;
+
+    char ip_string[20];
+    char mask_string[20];
+    char gw_string[20];
+    char mac_string[20];
+    bool ip_set;    
+    
+    int listen_port;
+    
+    //void signal_event(nsapi_socket_t handle);
+    //void event();
+    
+    //w5500 socket management
+    struct w5500_socket w5500_sockets[MAX_SOCK_NUM];
+    w5500_socket* get_sock(int fd);
+    void init_socks();
+/*	
+	Thread *_daemon;
+    void daemon();
+*/
+
+};
+
+#endif