LWIPBP3595Interface library for mbed-os.

Dependents:   LWIPBP3595Interface_STA_for_mbed-os

Fork of LWIPBP3595Interface by Rohm

Revision:
3:2ff2514e4fca
Parent:
2:c7e325599570
Child:
4:b49b4b36aaa4
--- a/LWIPBP3595Interface.h	Tue Sep 13 09:31:41 2016 +0000
+++ b/LWIPBP3595Interface.h	Thu Oct 27 09:30:15 2016 +0000
@@ -31,32 +31,132 @@
 class LWIPBP3595Interface : public WiFiInterface
 {
 public:
-    /** Start the interface
+    /** LWIPBP3595Interface lifetime
+     */
+    LWIPBP3595Interface();
+
+    virtual ~LWIPBP3595Interface();
+
+    /** Set a static IP address
+     *
+     *  Configures this network interface to use a static IP address.
+     *  Implicitly disables DHCP, which can be enabled in set_dhcp.
+     *  Requires that the network is disconnected.
      *
-     *  Attempts to connect to a WiFi network. If passphrase is invalid,
-     *  NSAPI_ERROR_AUTH_ERROR is returned.
+     *  @param address  Null-terminated representation of the local IP address
+     *  @param netmask  Null-terminated representation of the local network mask
+     *  @param gateway  Null-terminated representation of the local gateway
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual int set_network(const char *ip_address, const char *netmask, const char *gateway);
+
+    /** Enable or disable DHCP on the network
+     *
+     *  Requires that the network is disconnected
+     *
+     *  @param dhcp     False to disable dhcp (defaults to enabled)
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual int set_dhcp(bool dhcp);
+
+    /** Set the WiFi network credentials
      *
      *  @param ssid      Name of the network to connect to
      *  @param pass      Security passphrase to connect to the network
      *  @param security  Type of encryption for connection
-     *  @return          0 on success, negative error code on failure
+     *                   (defaults to NSAPI_SECURITY_NONE)
+     *  @return          0 on success, or error code on failure
+     */
+    virtual int set_credentials(const char *ssid, const char *pass, nsapi_security_t security = NSAPI_SECURITY_WPA2);
+
+    /** Set the WiFi network channel
+     *
+     *  @param channel   Channel on which the connection is to be made, or 0 for any (Default: 0)
+     *  @return          0 on success, or error code on failure
+     */
+    virtual int set_channel(uint8_t channel);
+
+    /** Gets the current radio signal strength for active connection
+     *
+     *  @return         Connection strength in dBm (negative value),
+     *                  or 0 if measurement impossible
      */
-    virtual int connect(const char *ssid, const char *pass, nsapi_security_t security = NSAPI_SECURITY_WPA2);
+    virtual int8_t get_rssi();
+
+    /** Start the interface
+     *
+     *  Attempts to connect to a WiFi network.
+     *
+     *  @param ssid      Name of the network to connect to
+     *  @param pass      Security passphrase to connect to the network
+     *  @param security  Type of encryption for connection (Default: NSAPI_SECURITY_NONE)
+     *  @param channel   Channel on which the connection is to be made, or 0 for any (Default: 0)
+     *  @return          0 on success, or error code on failure
+     */
+    virtual int connect(const char *ssid, const char *pass,
+            nsapi_security_t security = NSAPI_SECURITY_WPA2,
+            uint8_t channel = 0);
+
+    /** Start the interface
+     *
+     *  Attempts to connect to a WiFi network. Requires ssid and passphrase to be set.
+     *  If passphrase is invalid, NSAPI_ERROR_AUTH_ERROR is returned.
+     *
+     *  @return         0 on success, negative error code 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
+    /** Scan for available networks
+     *
+     *  The scan will 
+     *  If the network interface is set to non-blocking mode, scan will attempt to scan
+     *  for WiFi networks asynchronously and return NSAPI_ERROR_WOULD_BLOCK. If a callback
+     *  is attached, the callback will be called when the operation has completed.
+     *
+     * @param  ap       Pointer to allocated array to store discovered AP
+     * @param  count    Size of allocated @a res array, or 0 to only count available AP
+     * @param  timeout  Timeout in milliseconds; 0 for no timeout (Default: 0)
+     * @return          Number of entries in @a, or if @a count was 0 number of available networks, negative on error
+     *                  see @a nsapi_error
+     */
+    virtual int scan(WiFiAccessPoint *res, unsigned count);
+
+    /** Get the local MAC address
+     *
+     *  Provided MAC address is intended for info or debug purposes and
+     *  may not be provided if the underlying network interface does not
+     *  provide a MAC address
+     *  
+     *  @return         Null-terminated representation of the local MAC address
+     *                  or null if no MAC address is available
+     */
+    virtual const char *get_mac_address();
+
+    /** Get the local IP address
+     *
+     *  @return         Null-terminated representation of the local IP address
+     *                  or null if no IP address has been recieved
      */
     virtual const char *get_ip_address();
 
-    /** Get the internally stored MAC address
-     *  @return             MAC address of the interface
+    /** Get the local network mask
+     *
+     *  @return         Null-terminated representation of the local network mask 
+     *                  or null if no network mask has been recieved
      */
-    virtual const char *get_mac_address();
+    virtual const char *get_netmask();
+
+    /** Get the local gateways
+     *
+     *  @return         Null-terminated representation of the local gateway
+     *                  or null if no network mask has been recieved
+     */
+    virtual const char *get_gateway();
 
 protected:
     /** Provide access to the underlying stack
@@ -64,6 +164,16 @@
      *  @return The underlying network stack 
      */
     virtual NetworkStack *get_stack();
+
+    bool _dhcp;
+    char _ip_address[IPADDR_STRLEN_MAX];
+    char _netmask[NSAPI_IPv4_SIZE];
+    char _gateway[NSAPI_IPv4_SIZE];
+
+private:
+    char *_ssid;
+    char *_pass;
+    nsapi_security_t _security;
 };