#ifndef WiFi_Drv_h #define WiFi_Drv_h #include #include "wifi_spi.h" #include "IPAddress.h" // Key index length #define KEY_IDX_LEN 1 // 5 secs of delay to have the connection established #define WL_DELAY_START_CONNECTION 5000 class WiFiDrv { private: // settings of requested network static char _networkSsid[WL_NETWORKS_LIST_MAXNUM][WL_SSID_MAX_LENGTH]; static int32_t _networkRssi[WL_NETWORKS_LIST_MAXNUM]; static uint8_t _networkEncr[WL_NETWORKS_LIST_MAXNUM]; // settings of current selected network static char _ssid[WL_SSID_MAX_LENGTH]; static uint8_t _bssid[WL_MAC_ADDR_LENGTH]; static uint8_t _mac[WL_MAC_ADDR_LENGTH]; static uint8_t _localIp[WL_IPV4_LENGTH]; static uint8_t _subnetMask[WL_IPV4_LENGTH]; static uint8_t _gatewayIp[WL_IPV4_LENGTH]; /* * Get network Data information */ static void getNetworkData(uint8_t *ip, uint8_t *mask, uint8_t *gwip); static uint8_t reqHostByName(const char* aHostname); static int getHostByName(IPAddress& aResult); public: /* * Driver initialization */ static void wifiDriverInit(); /* * Set the desired network which the connection manager should try to * connect to. * * The ssid of the desired network should be specified. * * param ssid: The ssid of the desired network. * param ssid_len: Lenght of ssid string. * return: WL_SUCCESS or WL_FAILURE */ static uint8_t wifiSetNetwork(char* ssid, uint8_t ssid_len); /* Start Wifi connection with passphrase * the most secure supported mode will be automatically selected * * param ssid: Pointer to the SSID string. * param ssid_len: Lenght of ssid string. * param passphrase: Passphrase. Valid characters in a passphrase * must be between ASCII 32-126 (decimal). * param len: Lenght of passphrase string. * return: WL_SUCCESS or WL_FAILURE */ static uint8_t wifiSetPassphrase(char* ssid, uint8_t ssid_len, const char *passphrase, const uint8_t len); /* Start Wifi connection with WEP encryption. * Configure a key into the device. The key type (WEP-40, WEP-104) * is determined by the size of the key (5 bytes for WEP-40, 13 bytes for WEP-104). * * param ssid: Pointer to the SSID string. * param ssid_len: Lenght of ssid string. * param key_idx: The key index to set. Valid values are 0-3. * param key: Key input buffer. * param len: Lenght of key string. * return: WL_SUCCESS or WL_FAILURE */ static uint8_t wifiSetKey(char* ssid, uint8_t ssid_len, uint8_t key_idx, const void *key, const uint8_t len); /* * Disconnect from the network * * return: WL_SUCCESS or WL_FAILURE */ static uint8_t disconnect(); /* * Disconnect from the network * * return: one value of wl_status_t enum */ static uint8_t getConnectionStatus(); /* * Get the interface MAC address. * * return: pointer to uint8_t array with length WL_MAC_ADDR_LENGTH */ static uint8_t* getMacAddress(); /* * Get the interface IP address. * * return: copy the ip address value in IPAddress object */ static void getIpAddress(IPAddress& ip); /* * Get the interface subnet mask address. * * return: copy the subnet mask address value in IPAddress object */ static void getSubnetMask(IPAddress& mask); /* * Get the gateway ip address. * * return: copy the gateway ip address value in IPAddress object */ static void getGatewayIP(IPAddress& ip); /* * Return the current SSID associated with the network * * return: ssid string */ static char* getCurrentSSID(); /* * Return the current BSSID associated with the network. * It is the MAC address of the Access Point * * return: pointer to uint8_t array with length WL_MAC_ADDR_LENGTH */ static uint8_t* getCurrentBSSID(); /* * Return the current RSSI /Received Signal Strength in dBm) * associated with the network * * return: signed value */ static int32_t getCurrentRSSI(); /* * Return the Encryption Type associated with the network * * return: one value of wl_enc_type enum */ static uint8_t getCurrentEncryptionType(); /* * Start scan WiFi networks available * * return: Number of discovered networks */ static uint8_t scanNetworks(); /* * Return the SSID discovered during the network scan. * * param networkItem: specify from which network item want to get the information * * return: ssid string of the specified item on the networks scanned list */ static char* getSSIDNetoworks(uint8_t networkItem); /* * Return the RSSI of the networks discovered during the scanNetworks * * param networkItem: specify from which network item want to get the information * * return: signed value of RSSI of the specified item on the networks scanned list */ static int32_t getRSSINetoworks(uint8_t networkItem); /* * Return the encryption type of the networks discovered during the scanNetworks * * param networkItem: specify from which network item want to get the information * * return: encryption type (enum wl_enc_type) of the specified item on the networks scanned list */ static uint8_t getEncTypeNetowrks(uint8_t networkItem); /* * Resolve the given hostname to an IP address. * param aHostname: Name to be resolved * param aResult: IPAddress structure to store the returned IP address * result: 1 if aIPAddrString was successfully converted to an IP address, * else error code */ static int getHostByName(const char* aHostname, IPAddress& aResult); }; extern WiFiDrv wiFiDrv; #endif