Imanol-Mikel Barba Sabariego / smartcities · Files

/**
 * \file libwismart.h
 * WiSmart library header file.
 * \author
 * eConais RnD Group
 */

/*
 * This software is copyrighted by and is the sole property of eConais.
 * All rights, title, ownership, or other interests in the software remain
 * the property of eConais. This software may only be used in accordance
 * with the corresponding license agreement.  Any unauthorized use,
 * duplication, transmission, distribution, or disclosure of this software
 * is expressly forbidden.
 *
 * This copyright notice may not be removed or modified without prior written
 * consent of eConais.
 *
 * eConais reserves the right to modify this software without
 * notice.
 *
 * eConais
 * Patras Science Park                           support@econais.com
 * 26504 Platani, Patras                         http://www.econais.com
 * GREECE

 *
 * This file is part of WiSmart SDK
 *
 * Author: eConais RnD Group
 *
 */

#ifndef LIBWISMART_H_
#define LIBWISMART_H_

#include "ch.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>     /* chprintf */

/* include file with mcu specific defines */
#include "libwismart_mcu.h"

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#ifndef NULL
#define NULL (void *)0
#endif

#ifndef WISMART_SUCCESS
#define WISMART_SUCCESS 1
#endif

#ifndef WISMART_FAILURE
#define WISMART_FAILURE 0
#endif

/* generic print function */
void print(const char *fmt, ...);
#define printf print
#ifndef PRINT
#define PRINT print
#endif

/** \addtogroup WSL_SYSTEM
*
* @{
*/

typedef struct {
    void *          port;              /* type GPIO_TypeDef* */
    uint32_t        ahb;
    uint16_t        pin;
    uint8_t         source;
    uint32_t        remap;
}   wismart_hwif_port_t;

typedef struct {
    /* external interrupt */
    wismart_hwif_port_t gpio_ext_int;

    uint8_t         exti_port_source;
    uint8_t         exti_pin_source;
    uint32_t        exti_line;
    uint8_t         exti_irq_number;    /* type IRQn_Type */

    /* 1.2v wifi regulator */
    wismart_hwif_port_t gpio_1_2v;

    /* 3.3v wifi regulator */
    wismart_hwif_port_t gpio_3_3v;
} wismart_hwif_wifi_t;

typedef struct {
    uint8_t               enable;
    void                * channel;
    uint8_t               irq;
    uint32_t              it_complete;
} wismart_hwif_dma_t;

typedef struct {
    void *          usart;              /* type USART_TypeDef* */
    uint32_t        baud_rate;
    uint8_t         tx_irq;             /* type IRQn_Type */
    uint32_t        tx_rcc;
    uint8_t         gpio_af;

    /* GPIO Configurations */
    wismart_hwif_port_t gpio_tx;
    wismart_hwif_port_t gpio_rx;

    /* DMA Configurations */
    wismart_hwif_dma_t  dma_tx;
    wismart_hwif_dma_t  dma_rx;

    /* GPIO Configurations */
    wismart_hwif_port_t gpio_rts;

} wismart_hwif_usart_t;

typedef struct {
    uint8_t         isFS; /* enable or disable FS */
    uint8_t         useULPI_PHY;

    /* FS pins- HS pins without PHY */
    uint32_t        fs_ahb;
    wismart_hwif_port_t host_powersw;

    wismart_hwif_port_t sof;
    wismart_hwif_port_t vbus;
    wismart_hwif_port_t id;
    wismart_hwif_port_t dm;
    wismart_hwif_port_t dp;

    /* HS pins with PHY*/
    wismart_hwif_port_t D[8];
    wismart_hwif_port_t hs_clk;
    wismart_hwif_port_t hs_stp;
    wismart_hwif_port_t hs_nxt;
    wismart_hwif_port_t hs_dir;

} wismart_hwif_usb_t;

typedef enum {
#ifdef STM32F1
    /*
        HSE
    */
    WISMART_MCU_FREQ_32_HSE = 1,
    WISMART_MCU_FREQ_48_HSE = 3,
    WISMART_MCU_FREQ_64_HSE = 5,
    WISMART_MCU_FREQ_72_HSE = 7,

    /*
        HSI
    */
    WISMART_MCU_FREQ_36_HSI = 0,
    WISMART_MCU_FREQ_48_HSI = 2,
    WISMART_MCU_FREQ_64_HSI = 4,
#endif

#ifdef STM32F4
/* TODO: Add the frequency that F4 support */
#endif
} wismart_hwif_mcu_freq_t;

typedef struct {
    wismart_hwif_mcu_freq_t    freq;
    uint8_t                    enableWkupPin;
} wismart_hwif_mcu_t;

typedef struct {
    wismart_hwif_mcu_t          mcu;
    wismart_hwif_wifi_t         wifi;
    wismart_hwif_usart_t        debug;
    wismart_hwif_usb_t          usb;
} wismart_hwif_t;

typedef enum {
    WISMART_ENCRYPTION_OPEN,
    WISMART_ENCRYPTION_WEP,
    WISMART_ENCRYPTION_WPAWPA2
} wismart_bss_encryption_t;

typedef struct {
    uint8_t               ssid[32];
    uint8_t               ssid_len;
    uint8_t               mac_address[6];
    int32_t               rssi;
    int32_t               snr;
    uint8_t               channel;
    uint8_t               encryption; /* wismart_bss_encryption_t */
    uint8_t               bssType;
} wismart_scan_result_t;

typedef struct {
    uint8_t               min_channel_time;
    uint8_t               max_channel_time;
    char                  ssid[33];
    uint16_t              channels;
} wismart_scan_parms_t;


enum {
    WISMART_PERIPHERAL_DMA2, /* DMA2 is used by SDIO peripheral. SDIO must be the only owner of DMA2 or else TX underruns/RX overruns will occur */
};

/** @} */


#define RAM_CCM_SECTION __attribute__ ((section(".ccm")))
enum {
    WISMART_WIFI_DISCONNECTED,
    WISMART_WIFI_CONNECTED,
    WISMART_WRONG_PASSPHRASE,
    WISMART_WIFI_CONN_TIMEOUT,
    WISMART_WIFI_CONN_FAILED
};

enum {
    WISMART_DHCP_SUCCESS, 
    WISMART_DHCP_FAILED
};

typedef enum {
    WISMART_MODE_SOFTAP, 
    WISMART_MODE_CLIENT,
    WISMART_MODE_ADHOC
} wismart_mode_e;


/*
    Below are the return status codes of libwismart_IsConnected():

    WISMART_NOT_CONNECTED: WiFi not connected yet
    WISMART_ASSOCIATED: WiFi connected, no IP connectivity yet
    WISMART_CONNECT: WiFi connected, IP connection completed
 */
enum {
    WISMART_NOT_CONNECTED, 
    WISMART_ASSOCIATED, 
    WISMART_CONNECTED
};

enum
{
    LIBWISMART_DHCP_START=0,
    LIBWISMART_DHCP_WAIT_ADDRESS,
    LIBWISMART_DHCP_ADDRESS_ASSIGNED,
    LIBWISMART_DHCP_TIMEOUT
};
/** @} */

/*---------------------------------------------------------------------------*/
/** \defgroup WSL_INIT Initialization
*
* \brief The group of functions to initialize library, Wi-Fi, TPC/IP and shutdown the Wi-Fi
* @{
*/

/**
 * \fn const char* libwismart_GetVersion(void);
 * \brief Get the version of libwismart
 *
 * This function can be used to get the version of libwismart
 *
 * @return version the libwismart version string, e.g "1.0.0"
 *
*/
const char* libwismart_GetVersion(void);


/*---------------------------------------------------------------------------*/
/** \brief Get the Default HW interface of the wismart.
 *
 * This function return the default HW interface that we can use on init 
 * function. We can use this function to get the default hwif and then modify 
 * it for our platform.
 *
 *
*/
wismart_hwif_t libwismart_GetDefaultHWIF(void);

/*---------------------------------------------------------------------------*/
/** \brief Initialize the library.
 *
 * This function will take care the device initialization
 * This includes initialization for MCU, Sensors, I/O and Wi-FI.
 * This is the first function to call before anything else,
 * otherwise the device will not function properly.
 *
 * @param user_hw The HW stuct for all internal modules.
 *
*/
int libwismart_Init(wismart_hwif_t user_hw);

/*---------------------------------------------------------------------------*/
/** \brief Init WiFi Module
 *
 * This function initialize WiFi module and prepares the hardware to be ready
 * for connection.
 *
 */
int libwismart_WiFiInit(void);

/*---------------------------------------------------------------------------*/
/** \brief Set WiFi MAC Address
 *
 * This function set the WiFi mac address.
 * This function must be called before libwismart_WiFiInit to be valid.
 * To disable the user defined mac address you must set the mac to ff:ff:ff:ff:ff:ff.
 * The selected mac is remaining and after rebooting or shutdown.
 *
 */
void libwismart_WiFi_Set_MAC(char *mac);

/*---------------------------------------------------------------------------*/
/** \brief Get WiFi MAC Address
 *
 * This function return the WiFi mac address.
 * The mac address is valid only when the WiFi is on, 
 * otherwise is return 00:00:00:00:00:00.
 *
 */
void libwismart_WiFi_Get_MAC(char *mac);


/*---------------------------------------------------------------------------*/
/** \brief Shutdown WiFi Module
 *
 * This function closes the WiFi module. It can be used to limit the power
 * consumption. To re-enable the WiFi, run libwismart_WiFiInit()
 *
 */
int libwismart_WiFiShutdown(void);

/*---------------------------------------------------------------------------*/
/** \brief Get WiFi MAC Address
 *
 * This function returns the wifi mode of operation.
 * \retval WISMART_MODE_CLIENT
 * \retval WISMART_MODE_SOFTAP
 * \retval WISMART_MODE_ADHOC
 */
uint8_t libwismart_GetWiFiMode(void);
/** @} */

/*---------------------------------------------------------------------------*/
/** \defgroup WSL_SYSTEM System management
*
* \brief Set of library functions to manage system resources, reboot the system,
*  handle IRQs and I/O ports like USB
* @{
*/

/**
 * A timer.
 *
 * This structure is used for declaring a timer. The timer must be set
 * with libwismart_TimerSet() before it can be used.
 *
 * \hideinitializer
 */
typedef unsigned long wismart_time_t;
struct wismart_timer {
    VirtualTimer    vt;
    vtfunc_t        func;
    void           *params;
    wismart_time_t  interval;
};

typedef struct wismart_timer wismart_timer_t;

/*---------------------------------------------------------------------------*/
/**
 * Set a timer.
 *
 * This function is used to set a timer for a time sometime in the
 * future.
 *
 * \param t A pointer to the timer
 * \param interval The interval before the timer expires
 * \param func callback function that is called when the timer expires
 * \param params extra data to pass in func
 */
void libwismart_TimerSet(wismart_timer_t *t, wismart_time_t interval, vtfunc_t func, void * params);

/*---------------------------------------------------------------------------*/
/**
 * Set a timer from within an IRQ handler.
 *
 * This function is used to set a timer for a time sometime in the
 * future. It should be used only when a timer must be set from within
 * an IRQ handler.
 *
 * \param t A pointer to the timer
 * \param interval The interval before the timer expires
 * \param func callback function that is called when the timer expires
 * \param params extra data to pass in func
 */
void libwismart_TimerSetI(wismart_timer_t *t, wismart_time_t interval, vtfunc_t func, void * params);

/*---------------------------------------------------------------------------*/
/**
 * Reset the timer with the same interval.
 *
 * This function resets the timer with the same interval that was
 * given to the libwismart_TimerSet() function. The start point of the interval
 * is the exact time that the timer last expired.
 *
 * \param t A pointer to the timer.
 *
 */
void libwismart_TimerReset(wismart_timer_t *t);

/*---------------------------------------------------------------------------*/
/**
 * Stop a timer.
 *
 * This function stops a running timer
 *
 * \param t A pointer to the timer
 *
 */
void libwismart_TimerStop(wismart_timer_t *t);

/** \brief Reset the device.
 *
 * This function resets the device
 *
 */
void libwismart_Reboot(void);

/*---------------------------------------------------------------------------*/




/** \brief Get the number of free pbufs from pool.
 *
 * This function returns the number of free pbufs that you
 * can allocate from pool.
 *
 */
uint8_t libwismart_GetMemFree_PBufPool(void);

/* Memory statistics. All values are in bytes. */
typedef struct{
    size_t free;          /* The size of Core and Chibios free memory */
    size_t free_core;     /* The size of free memery thet the chibios never use and it can be used from chibios */
    size_t free_chibios;  /* The sum of all free fragments that the chibios have. Note this is not a continue buffer unless we have only one fragment.  */ 
    size_t max_free_frag; /* The size of the bigger fragment */
    size_t min_free_frag; /* The size of the smaller fragment */
    size_t num_free_frag; /* Number of free memory fragments that the chibios have. The fragments are not continue memory chank. */ 
} wismart_mem_stat_ram_t;

/** \brief Get statistics about the main heap/ram.
 *
 * This function returns the statistics about the main heap/ram.
 *
 */
wismart_mem_stat_ram_t libwismart_GetMemFree_Ram(void);



/** @} */

/*---------------------------------------------------------------------------*/
/** \defgroup WSL_WIFI Wi-Fi related functions
*
* \brief Library functions related to Wi-Fi client mode
* @{
*/
/** \brief callback used to inform applications about the connection result
 *  with a Wi-Fi Network.
 *
 *  @param result returns WISMART_WIFI_CONNECTED or WISMART_WIFI_FAILED
 */
typedef void (*wificonnect_callback)(int result);


typedef void (*wifiscanresult_callback)(wismart_scan_result_t* scan_result);


/*---------------------------------------------------------------------------*/
/** \addtogroup WSL_WIFI
*
* @{
*/
/**\brief Create a new 802.11 WiFi Ad-Hoc network
 *
 * This function will create a new 802.11 WiFi Ad-Hoc (IBSS) network.
 * Other clients will be able to connect to this Ad-Hoc network. After the
 * WiFi connection has been established, usually both ends need to have a
 * static IP address. In WiSmart, you can use the API function
 * libwismart_SetStaticIP(), documented later in this file.
 *
 * Using Ad-Hoc mode you can also configure the device by accessing the
 * builtin web server.
 *
 * @param ibss_ssid the name of the Ad-Hoc (IBSS) network.
 * @param ibss_ssid the preferred channel (1-11).
 */
void libwismart_WiFiCreateAdHoc(char *ibss_ssid,
                                int channel,
                                wificonnect_callback wificb);
/** @} */


/*---------------------------------------------------------------------------*/
/** \brief Connect to a WiFi network.
 *
 * This function will initiate a connection with a WiFi Network.
 * It can be used for a new connection or for switching to another
 * WiFi network.
 *
 * @param ssid (unsigned char *) The SSID (network name) of the Access Point.
 * @param key (unsigned char *) PSK(raw key) or passphrase. Pass NULL for
 * open networks.
 * @param cb callback used to inform applications about the connection result.
 * Pass NULL if you don't care about the connection result.
 *
 */
int  libwismart_WiFiConnect(char* ssid,
                            char* key,
                            wificonnect_callback cb);

/*---------------------------------------------------------------------------*/
/** \brief Connect to a WiFi network with a specific MAC Address.
 *
 * This function will initiate a connection with a WiFi Network.
 * It can be used for a new connection or for switching to another
 * WiFi network. It is different from libwismart_WiFiConnect in that it tries
 * to connect to specific BSSID
 *
 * @param ssid (unsigned char *) The SSID (network name) of the Access Point.
 * @param bssid (unsigned char *) The BSSID (mac address) of the Access Point.
 * @param key (unsigned char *) PSK(raw key) or passphrase. Pass NULL for
 * open networks.
 * @param cb callback used to inform applications about the connection result.
 * Pass NULL if you don't care about the connection result.
 *
 */
int libwismart_WiFiConnectBSSID(char* ssid,
                                char* bssid,
                                char* key,
                                wificonnect_callback wificb);

/*---------------------------------------------------------------------------*/
/** \brief Connect to a WPS network with a specific SSID.
 *
 * This function will initiate a connection with a WiFi Network with
 * Wi-Fi Protected Setup (WPS) support
 *
 * @param ssid (unsigned char *) The SSID (network name) of the Access Point.
 * @param pin (unsigned char *) The PIN number in case WPS PIN Method has
 * been selected.
 * @param cb callback used to inform applications about the connection result.
 * Pass NULL if you don't care about the connection result.
 *
 */
int libwismart_WiFiConnectWPS(char* ssid,
                              char* pin,
                              wificonnect_callback wificb);


/*---------------------------------------------------------------------------*/
/* WPA ENTERPRISE SECTION                                                    */
/*---------------------------------------------------------------------------*/

/* we need to obtain certificates from somewhere, for now, assume this
   is a filename */
typedef const char *certificate_t;

/* the same goes for the private key.. */
typedef const char *private_key_t;

/* EAP-TLS Parameters */
struct tls_data {
    const char *identity;              /* the identity to use */
    certificate_t client_cert;         /* the client certificate to use */
    private_key_t private_key;         /* private key to use */
    const char *private_key_password;  /* ...and its password */
    certificate_t ca_cert;             /* root CA certificate */
};

/* EAP-TTLS Parameters */
struct ttls_data {
    const char *identity;        /* the identity to use */
    const char *password;        /* password to use */
    certificate_t ca_cert;       /* root CA certificate */
};

/* EAP-PEAP Parameters */ 
struct peap_data {
    const char *identity;        /* the identity to use */
    const char *password;        /* password to use */
    certificate_t ca_cert;       /* root CA certificate */
};

/* EAP Method */
typedef enum {
    WISMART_EAP_METHOD_TTLS = 1,
    WISMART_EAP_METHOD_PEAP,
    WISMART_EAP_METHOD_TLS
} eap_method_t;

/* this struct contains all the parameters needed for WPA/WPA2 Enterprise */ 
struct wpa_param {
    eap_method_t eap_method;  /* this specifies which EAP Peer Method to use */
    union {
        struct tls_data tls;    /* EAP-TLS */
        struct ttls_data ttls;  /* EAP-TTLS */
        struct peap_data peap;  /* EAP-PEAP */
    } u;
};

/*---------------------------------------------------------------------------*/
/** \brief Connect to a WPA/WPA Enterprise network with a specific SSID.
 *
 * This function will initiate a connection with a WPA/WPA2 Enterprise 
 * network (802.1x authentication). Make sure that a radius server has been
 * configured and you have been provided with a username and a password.
 * EAP-TTLS and EAP-PEAP methods are supported.
 *
 * @param ssid (unsigned char *) The SSID (network name) of the Access Point.
 * @param wp (const struct wpa_param *) All the required parameters for 
 * WPA/WPA2 Enterprise authentication.
 * @param cb callback used to inform applications about the connection result.
 */
int libwismart_WiFiConnectEnterprise(char* ssid,
                                     const struct wpa_param *wp,
                                     wificonnect_callback wificb);


/*---------------------------------------------------------------------------*/
/** \brief Disconnect from the WiFi network
 *
 * This function will disconnect the device from the WiFi network that
 * we are connected.
 *
 */
int libwismart_WiFiDisconnect(void);


/*---------------------------------------------------------------------------*/
/** \brief Set a connection timeout.
 *
 * Set the number of scan requests after which the device will send
 * a connection timeout indication.
 */
void libwismart_SetScanRunsForConnTimeout(int scan_runs);

/*---------------------------------------------------------------------------*/
/** \brief Set WEP Key.
 *
 * This function will set the preferred WEP Key and WEP Key Index. It should
 * be called after libwismart_WiFiConnect().
 *
 * @param wepkey (unsigned char *) The selected WEP key.
 * @param keyindex (int) The selected WEP key index (1-4)
 *
 */
int libwismart_WiFiSetWep(char *wepkey, int keyindex);


/*---------------------------------------------------------------------------*/
/*  Packet Filtering Mechanism                                               */
/*---------------------------------------------------------------------------*/
typedef enum{ 
    FILTERS_CMD       =(1<<0), /* data cfm is included in this filter as well*/
    FILTERS_DATA      =(1<<1),
    FILTERS_EAPOL     =(1<<2),
    FILTERS_BROADCAST =(1<<3),
    FILTERS_MULTICAST =(1<<4),
    FILTERS_UDP       =(1<<5),
    FILTERS_TCP       =(1<<6),
    FILTERS_ICMP      =(1<<7),
    FILTERS_IGMP      =(1<<8),
    FILTERS_UNKNOWN_IP=(1<<9),
    FILTERS_NOT_IP    =(1<<11), /* it's not IP or ARP packet */
    FILTERS_ARP       =(1<<12),
}wismart_wifi_filters_t;

/** \brief Check a specific type of packets whether is filtered-out
 *
 * This function will check whether the specific type of packets is filtered-out.
 *
 * @param filter (wismart_wifi_filters_t) The packet type that we want to check if it's filtered-out.
 *
 */
uint8_t libwismart_WiFi_Filter_Get(wismart_wifi_filters_t filter);

/** \brief Remove filter from specific type of packet .
 *
 * This function will remove from filters a specific type of packets
 *
 * @param filter (wismart_wifi_filters_t) The packet type that we don't want to filter-out.
 *
 */
void libwismart_WiFi_Filter_Clean(wismart_wifi_filters_t filter);

/** \brief Filter-out the specific type of packets.
 *
 * This function will filter-out the speific type of packets
 *
 * @param filter (wismart_wifi_filters_t) The packet type to filter-out.
 *
 */
void libwismart_WiFi_Filter_Set(wismart_wifi_filters_t filter);


/*---------------------------------------------------------------------------*/
/* Roaming Mechanism                                                         */
/*---------------------------------------------------------------------------*/
/**
 * \brief Enables Roaming Mechanism
 *
 * This function enables the roaming mechanism. Only if this mechanism is enabled
 * the user will be informed about triggering events.
 *
 */
void libwismart_EnableRoaming(void);

/**
 * \brief Disables Roaming Mechanism
 *
 * This function disables the roaming mechanism. After disabling this mechanism the
 * user is no longer be informed about triggering events.
 *
 */
void libwismart_DisableRoaming(void);

/**
 * \brief Check if Roaming is enabled
 *
 * @param result returns 1 if roaming is enabled or 0 if it's disabled
 */
int libwismart_isRoamingEnabled(void);

/*! Below are the states/zones of the roaming mechanism */
typedef enum {
    ROAM_STATE_NORM,
    ROAM_STATE_ALERT,
    ROAM_STATE_PANIC,
} roam_state_t;

/*! Below are the types of the roaming events */
typedef enum {
    ROAM_TYPE_ALERT  = 0,
    ROAM_TYPE_PANIC = 1,
} roam_type_t;

/*! Below are the ID's of the roaming events */
typedef enum {
    ROAM_ID_RSSI  = 0,
    ROAM_ID_SNR   = 1,
    ROAM_ID_D     = 2,
} roam_id_t;

/*! Below are the ID's of the roaming events */
typedef enum {
    ROAM_TREND_ASCENDING   = 0,
    ROAM_TREND_DESCENDING  = 1,
} roam_trend_t;

/*! Below are the mode of roaming */
typedef enum {
    ROAM_MODE_CONTINUOUS   = 0,
    ROAM_MODE_ONETIME_SHOT = 1,
} roam_mode_t;

/*---------------------------------------------------------------------------*/
/** \brief This function set the BG scan time for specific roaming state.
 *
 * @param state The Roaming state tha we want to set the bg scan time.
 * @param sec   The BG scan time in Seconds.
 * 
 */
void libwismart_Roam_SetBGScanTime(roam_state_t state, uint8_t sec);

/*---------------------------------------------------------------------------*/
/** \brief This function Get the BG scan time for specific roaming state.
 *
 * @param state The Roaming state tha we want to get the bg scan time.
 * 
 */
uint8_t libwismart_Roam_GetBGScanTime(roam_state_t state);

/*---------------------------------------------------------------------------*/
/**
 * \brief This function adds a roaming event trigger threshold
 *
 *
 * \param ID Specifies if this is an RSSI, SNR or DS trigger
 * \param Value Actual triggering value
 * \param Type Defines whether when this threshold is reached, a scan or a roaming
 * action will take place
 * \param Type Specifies if a trigger is needed when the value of the specified
 * parameter(rssi, snr, ds) is increased over the specified threshold or decreased
 * under the specified threshold
 * \param Mode Specifies whether this is a continuous or one shot trigger
 */
uint8_t libwismart_AddRoamingEventThreshold(roam_id_t       ID, 
                                            uint32_t        Value, 
                                            roam_type_t     Type, 
                                            roam_trend_t    Trend, 
                                            roam_mode_t     Mode);

/*---------------------------------------------------------------------------*/
/**
 * \brief This function removes a roaming event trigger threshold
 *
 *
 * \param ID Specifies trigger ID that is to be removed
 */
uint8_t libwismart_RemoveRoamingEventThreshold(uint8_t ID);

/*---------------------------------------------------------------------------*/
/** \brief callback used to inform applications about the returned snr value
 *
 *  @param result returns WISMART_WIFI_CONNECTED or WISMART_WIFI_FAILED
 */
typedef void (*snr_callback)(int32_t result);

/*---------------------------------------------------------------------------*/
/** \brief callback used to inform applications about the returned rssi value
 *
 *  @param result returns WISMART_WIFI_CONNECTED or WISMART_WIFI_FAILED
 */
typedef void (*rssi_callback)(int32_t result);


/*---------------------------------------------------------------------------*/
/** \brief Programms the aquisition of current rssi value
 *
 * This function will initiate the procedure of the aquisition of the current
 * rssi value. The actual value will be sent to the calling application to the
 * specified callback function
 *
 * @param rssicb callback used to inform applications about the rssi value.
 *
 */
void libwismart_GetRssi(rssi_callback rssicb);


/** @} */

/*---------------------------------------------------------------------------*/
/** \brief Performs a Scan Request
 *
 * This function performs a scan request
 *
 * @param scan_result_cb The callback that will be invoked when receiving a scan result
 * @param parms Scan parameters
 */
void libwismart_ScanRequest(wifiscanresult_callback scan_result_cb, wismart_scan_parms_t* parms);

/*---------------------------------------------------------------------------*/
/** \brief Enable a BG scaning mechanism.
 *
 * This function enable the BG scan mechanism
 *
 * @param scan_period The period of scanning in seconds.
 */
void libwismart_Scan_Enable_BG(uint8_t scan_period);

/*---------------------------------------------------------------------------*/
/** \addtogroup WSL_SYSTEM
*
* @{
*/
/** \brief Get the Mac Address of WiSmart
 *
 * This function will retrieve the mac address of the device.
 * It's useful for status reporting and for using it as
 * something that uniquely identify this device.
 *
 * @param mac The mac address of WiSmart
 *
 */
void libwismart_GetMac(unsigned char *mac);


/*---------------------------------------------------------------------------*/
/** \brief Get the BSSID of the WiFi Access Point
 *
 * This function will retrieve the BSSID (usually mac address)
 * of the WiFi Access Point that the device is connected.
 *
 * @param bssid The bssid of Access Point
 *
 */
int  libwismart_GetApMac(unsigned char *bssid);
/** @} */


/** \addtogroup WSL_TCP_IP
*
* @{
*/

/*---------------------------------------------------------------------------*/
/** \brief callback used to inform applications about the result
 *  of the DHCP procedure.
 *
 *  @param result returns WISMART_DHCP_SUCCESS or WISMART_DHCP_FAILED
 */
typedef void (*dhcp_result_callback)(int result);

/*---------------------------------------------------------------------------*/
/** \brief Register DHCP callback.
 *
 *
 * @param cb callback used to inform applications about the DHCP result.
 * Pass NULL if you don't care about the DHCP result.
 *
 */
void libwismart_RegisterDhcpCB(dhcp_result_callback cb);

/*---------------------------------------------------------------------------*/
/** \brief Start DHCP Server.
 *
 * This function is used to start the dhcp server, used in SoftAP mode

 * @param ipaddress The server ip address
 * @param netmask   The server netmask
 * @param gateway   The server gateway
 * @param dhcp_pool_size The size of pool of client IP addresses
 *
 */

void libwismart_StartDhcpServer(char* ipaddress,
                                char* netmask,
                                char* gateway,
                                int dhcp_pool_size);


/*---------------------------------------------------------------------------*/

typedef struct
{
    uint8_t addr[4];
} libwismart_ip_addr_t;

/** \brief Enable/Disable DHCP mechanism.
 *
 * This function will Enable/Disable DHCP mechanism.
 *
 * By default the DHCP mechanism is enabled.
 *
 * @param enable To enable the dhcp mechanism or not.
 *
 */
void libwismart_DhcpEnable(uint8_t enable);

/** \brief Set Static IP
 *
 * This function will set a static IP address to WiSmart
 *
 * Currently only setting a static IPv4 address is supported.
 *
 * @param ip_address The selected IP Address, e.g 192.168.1.100
 * @param netmask The selected Netmask, e.g 255.255.255.0
 * @param gateway The IP Address of the Gateway, e.g 192.168.1.1
 *
 */
void libwismart_SetStaticIP(libwismart_ip_addr_t *ip_address, libwismart_ip_addr_t *netmask, libwismart_ip_addr_t* gateway);

/*---------------------------------------------------------------------------*/
/** \brief Get Current IP
 *
 * This function gets the current IP address
 *
 * @param ip_address Struct containing the current IP Address,e.g 192.168.1.100
 * @param netmask Struct containing the current Netmask, e.g 255.255.255.0
 * @param gateway Struct containing the current Gateway, e.g 192.168.1.1
 *
 */
void libwismart_GetCurrentIP(libwismart_ip_addr_t *ip_address, libwismart_ip_addr_t *netmask, libwismart_ip_addr_t *gateway);

/** @} */

/*---------------------------------------------------------------------------*/
/** \addtogroup WSL_WIFI
*
* @{
*/

/** \brief Returns the connection status of the device
 *
 * \return WISMART_NOT_CONNECTED: WiFi not connected yet
 * \return WISMART_ASSOCIATED: WiFi connected, no IP connectivity yet
 * \return WISMART_CONNECT: WiFi connected, IP connection completed
 *
 */
int libwismart_IsConnected(void);
/** @} */

/*---------------------------------------------------------------------------*/
/* Power Save Mechanism                                                      */
/*---------------------------------------------------------------------------*/
/** \defgroup WSL_POWER_MGMT Power Management
*
* @{
*/

/*! Below are the power resources of power mgmt */
typedef enum power_resource{
    POWER_RES_APP       = 0, /*!< Resource for User applications */
    POWER_RES_DATA      = 1, /*!< LwIP Data traffic(Internal library USE)*/
    POWER_RES_CMD       = 2, /*!< RX WiFi CMD (Internal USE)*/
    POWER_RES_DMA       = 3, /*!< Using DMA controller*/
    POWER_RES_SDIO      = 4, /*!< Internal library USE*/
    POWER_RES_WIFI      = 5, /*!< Internal library USE*/
}power_resource_t;

/*---------------------------------------------------------------------------*/
/** \brief Enable power save of the device.
 *
 * This function will enable the Power Save
 * scheme of the device.
 *
*/
void libwismart_PowerSave_Enable(void);


/*---------------------------------------------------------------------------*/
/** \brief Disable the power save of the device.
 *
 * This function will disable the Power Save
 * scheme of the device.
 *
*/
void libwismart_PowerSave_Disable(void);


/*---------------------------------------------------------------------------*/
/** \brief Get the state of power save.
 *
 * This function will return the state of the Power Save.
 *
*/
uint8_t libwismart_PowerSave_isEnable(void);

/*---------------------------------------------------------------------------*/
/** \brief Get the state of the higher power save mode.
 *
 * This function will return the state 
 * of the higher power save mode.
 *
*/
uint8_t libwismart_PowerSave_isHigherProfile(void);


/*---------------------------------------------------------------------------*/
/** \brief Request resource from the chip.
 *
 * This function increases the request resource counter.
 * The one that requests the resource must release it as soon as
 * it finishes the work that has to do. Automatically the system
 * will be go to sleep if no one need the resource.
 *
*/
void libwismart_PowerSave_ReqResource(power_resource_t res);


/*---------------------------------------------------------------------------*/
/** \brief Release resource from the chip.
 *
 * This function decreases the request resource counter.
 *
*/
void libwismart_PowerSave_RelResource(power_resource_t res);

/*---------------------------------------------------------------------------*/
/** \brief Reset a resource.
 *
 * This function reset the resource counter.
 * Automatically the system will be go to sleep if no one need the resource.
 * NOTE: Use this with CAUTION.
*/
void libwismart_PowerSave_ResetResource(power_resource_t res);

/*---------------------------------------------------------------------------*/
/** \brief Request resource from the chip. For IRQ context.
 *
 * This function increases the request resource counter.
 * The one that requests the resource must release it as soon as
 * it finishes the work that has to do. Automatically the system
 * will be go to sleep if no one need the resource.
 *
*/
void libwismart_PowerSave_ReqResourceI(power_resource_t res);


/*---------------------------------------------------------------------------*/
/** \brief Release resource from the chip. For IRQ context.
 *
 * This function decreases the request resource counter.
 *
*/
void libwismart_PowerSave_RelResourceI(power_resource_t res);



/*---------------------------------------------------------------------------*/
/** \brief Reset a resource.
 *
 * This function reset the resource counter.
 * Automatically the system will be go to sleep if no one need the resource.
 * NOTE: Use this with CAUTION.
*/
void libwismart_PowerSave_ResetResourceI(power_resource_t res);

/*---------------------------------------------------------------------------*/
/** \brief Enable or Disable the higher power save mode.
 *
 * This function enables or disables the higher power save profile.
 * When this mode is enabled, the device can wake-up only from external irq or rtc.
 *
 */
void libwismart_PowerSave_HigherProfile(uint8_t enable);


/*---------------------------------------------------------------------------*/
/** \brief Shutdown the MCU.
 *
 * This function shutdowns the mcu and sets rtc for wake-up (reset),timeout 
 * is in secs. When we enable this mode, the device can wake-up(reset) only 
 * from external irq or rtc. If you selected source of wake-up is rtc then,
 * it's not possible to set the wake-up pin as source. To select the wake-up
 * pin as a source set the timeout to TIME_INFINITE.
 *
 */
void libwismart_PowerSave_MCUShutdown(systime_t timeout);

/*---------------------------------------------------------------------------*/
/** \brief Disable the WiFi Power save.
 *
 * This function disable the wifi power save.
 * By default the wifi power save is on.
 * Note: must be called after libwismart_WiFiInit().
 *
 */
void libwismart_WiFi_PSDisable(void);

/*---------------------------------------------------------------------------*/
/** \brief Enable the WiFi Power save.
 *
 * This function Enable the wifi power save.
 * By default the wifi power save is on.
 * Note: must be called after libwismart_WiFiInit().
 *
 */
void libwismart_WiFi_PSEnable(void);
/** @} */

/**
* \defgroup WSL_DEBUG Debugging
*
* \brief Functions and structures used for debugging
*
* @{
*/

typedef void (*debugport_rx_callback)(char);

/*---------------------------------------------------------------------------*/
/** \brief Set Callback function for received characters over debug port
 *
 * This function will initialize the receive path of WiSmart UART interface
 * from the DEBUG port.
 *
 * @param uartrcv_callback This function callback will be called when we
 * receive one character in debug uart.
 *
 */
void  libwismart_UART_InitRecv(debugport_rx_callback cb);


/*---------------------------------------------------------------------------*/
/** \brief Sends a Char to the Default output Port (USART1).
 *
 * This function sends the provided byte to the DEBUG UART port.
 * The function waits until the byte is transfered.
 *
 * @param data Char to be written to DEBUG UART port
 *
 */
void  libwismart_UART_SendChar(unsigned char data);

/*---------------------------------------------------------------------------*/
/** \brief Sends a Char to the Default output Port (USART1) from irq context.
 *
 * This function sends the provided byte to the DEBUG UART port from irq context.
 * The function waits until the byte is transfered.
 *
 * @param data Char to be written to DEBUG UART port
 *
 */
void  libwismart_UART_SendCharI(char data);

/*---------------------------------------------------------------------------*/
/** \brief Sends a Char Buff to the Default output Port (USART1).
 *
 * This function sends the provided bytes to the DEBUG UART port.
 * The function waits until the bytes is transfered.
 *
 * @param data Char to be written to DEBUG UART port
 * @param len Lenength of char to be written to DEBUG UART port
 *
 */
void  libwismart_UART_SendBuff(unsigned char *data, uint16_t len);

/*---------------------------------------------------------------------------*/
/** \brief Recv a Char Buff from the Default output Port (USART1).
 *
 * This function recv the provided bytes from the DEBUG UART port.
 *
 * If we know from before the number of chars that we are going to
 * recv we must use this function because is optimal for power
 * consuption and performance.
 *
 * The function waits until the bytes is received or the user abort the DMA.
 *
 * @param buff      Array with the buffer that we are going to write the received data.
 * @param len       Number of the characters that we are going to recv.
 * @param timeout   The timeout for the DMA receive call. The time is in ms. To disable
 *                  the timeout set it to TIME_INFINITE.
 *
 * @return          The number of the received bytes.
 *
 */
uint16_t  libwismart_UART_RecvBuff(unsigned char *buff, uint16_t len, systime_t timeout);

/*---------------------------------------------------------------------------*/
/** \brief Abort any DMA RX waiting in default output port (USART1).
 *
 * This function abort any DMA RX waiting. The @libwismart_UART_RecvBuff 
 * will be return the number of data that it have be recv until now.
 *
 */
void libwismart_UART_RecvBuff_Abort(void);

/*---------------------------------------------------------------------------*/
/** \brief Abort any DMA RX waiting in default output port (USART1) from IRQ context.
 *
 * This function abort any DMA RX waiting. The @libwismart_UART_RecvBuff 
 * will be return the number of data that it have be recv until now.
 *
 */
void libwismart_UART_RecvBuff_AbortI(void);


/** @} */

/*---------------------------------------------------------------------------*/
/*  Delay Functions                                                          */
/*---------------------------------------------------------------------------*/
/** \addtogroup WSL_SYSTEM
*
* @{
*/
/**  \brief Perform a delay expressed in milliseconds
*   The maximum possible delay is 262.14 ms / cpu_speed in MHz.
*
*   @param delay Milliseconds to delay
*/
void libwismart_Delay_ms(unsigned long delay);

/*---------------------------------------------------------------------------*/
/**
 * \brief Get the time in ms.
 *
 * This function returns the time in ms. The time is measured from the start
 * of the device.
 *
 */
uint32_t libwismart_GetTime(void);

/*---------------------------------------------------------------------------*/
/**
 * \brief This function returns the elpased time in ms. 
 *
 * Calculate the elapsed time between startTimeMs and Now, taking into
 * account possible timer overflow conditions.
 * This function returns the elpased time in ms. 
 *
 * NOTE: startTimeMs must be a time returned from libwismart_GetTime() for this
 *          function to work properly.
 */
uint32_t libwismart_ElapsedTime(uint32_t startTimeMs);

/*---------------------------------------------------------------------------*/
typedef enum{
    TR_ALWAYS      = (~0),
    TR_ALL         = (~0),
    TR_WIFI        = (1 << 0),
    TR_WPA         = (1 << 1),
    TR_WPA_EXTREME = (1 << 2),
    TR_TRANS       = (1 << 3),
    TR_UART        = (1 << 4),
    TR_TIMER       = (1 << 5),
    TR_SOFTAP      = (1 << 6),
    TR_SOFTAP_PS   = (1 << 7),
    TR_PS          = (1 << 8),
    TR_DHCP        = (1 << 9),
    TR_ROAM        = (1 << 10),
    TR_SCAN        = (1 << 11),
} trace_mask_e;

/**
 * \brief Enable debug trace bit
 *
 * This function enables a specific trace bit from trace_mask_e.
 *
 */
void libwismart_SetTraceMask(trace_mask_e bit_field);

/**
 * \brief Clear trace bit
 *
 * This function clears a specific trace bit from trace_mask_e
 *
 */
void libwismart_ClearTraceMask(trace_mask_e bit_field);

/**
 * \brief Get current trace mask
 *
 * This function return the current trace mask.
 *
 */
trace_mask_e libwismart_GetTraceMask(void);

/**
 * \brief eConais implementation of snprintf
 *
 * This function implements the snprintf because the 
 * standard implementation has a bug with chibios stack.
 *
 */
size_t libwismart_snprintf(char *str, size_t size, const char *fmt, ...);

/**
 * \brief eConais implementation of sprintf
 *
 * This function implements the sprintf because the 
 * standard implementation has a bug with chibios stack
 *
 */
size_t libwismart_sprintf(char *str, const char *fmt, ...);

/** @} */

/*---------------------------------------------------------------------------*/


/** \addtogroup WSL_WIFI
*
* @{
*/


/** \brief Below are the power resources of power mgmt */
typedef enum {
    WISMART_WIFI_AP_CLIENT_CONNECTED        = 0, /*!< */
    WISMART_WIFI_AP_CLIENT_DISCONNECTED     = 1, /*!< */
    WISMART_WIFI_AP_CLIENT_EXPIRED          = 2, /*!< To be added */
    WISMART_WIFI_AP_CLIENT_GET_IP           = 3, /*!< */
} wismart_softap_cb_t;

/** \brief callback used to inform applications about new wifi clients.
 */
typedef void (*wismart_softap_clients_cb)(wismart_softap_cb_t         reason,
                                          const uint8_t               *mac,
                                          const libwismart_ip_addr_t  *ip);


/** \brief Create a WiFi network (Access Point mode)
 *
 * This function will create a new a WiFi Network. Other WiFi clients 
 * will be able to connect to it.
 *
 * @param ssid (unsigned char *) The SSID (network name) of the Access Point.
 * @param key (unsigned char *) PSK(raw key) or passphrase. Pass NULL for
 * open networks.
 * @param wificb callback will inform the application whether the new WiFi
 * network has been created or not.
 * @param clientscb callback will inform the application about the connection
 * changes of clients (added/deleted etc)
 */
int libwismart_WiFi_SoftAP_Start(char *ssid,
                                 uint8_t channel,
                                 unsigned char* key,
                                 wificonnect_callback wificb,
                                 wismart_softap_clients_cb clientscb);


/** \brief Stop SoftAP.
 *
 * This function will Stop the SoftAP and it will clean all the resources
 * that it's using. After that, the wifi module will be in shutdown mode.
 *
 */
int libwismart_WiFi_SoftAP_Stop(void);
/** @} */

/*---------------------------------------------------------------------------*/
/**
* \defgroup WSL_TCP_IP TCP/IP (LwIP)
*
* \brief Function related to TCP/IP stack which is based on LwIP open source project.
* The API is kept the same as in original LwIP project, but the code is heavily 
* modified and integrated with the Wi-Fi driver.
*
* @{
*/

/** \brief Lock the LwIP module for atomic access
 *
 * This function will lock the LwIP module for atomic access.
 *
 */
void libwismart_LwIP_lock(void);


/*---------------------------------------------------------------------------*/
/** \brief Unlock the LwIP module.
 *
 * This function will unlock the LwIP module for atomic access.
 *
 */
void libwismart_LwIP_unlock(void);

/*---------------------------------------------------------------------------*/
/** \brief Enabled BSD Socket API
 *
 * This function enables the BSD-like socket API of wismart and it's the 
 * first function to call before using the API. Check tcp_socket.c for an
 * example.
 *
 */
void libwismart_EnableBsdSocketAPI(void);


/*---------------------------------------------------------------------------*/
/** \brief Set a hostname for this device
 *
 * This function set the hostname of this device.
 * NOTE: this must be called after libwismart_WiFi_Init() 
 *       and before the wifi connection.
 *
 */
void libwismart_LwIP_SetHostname(char *hostname);

/** @} */

/** \addtogroup WSL_SYSTEM
*
* @{
*/


/*---------------------------------------------------------------------------*/
/** \brief USB configuration function
 */
void libwismart_USB_Init(void);

/** \brief USB processing function
 */
void libwismart_USB_Process(void);

#ifdef USB_LOCK

/** \brief USB lock function
 */
void libwismart_USB_lock(void);

/** \brief USB unlock function
 */
void libwismart_USB_unlock(void);
#endif /* USB_LOCK */

#ifdef FF_LOCK

/** \brief FF lock function
 */
void libwismart_FF_lock(void);

/** \brief FF unlock function
 */
void libwismart_FF_unlock(void);
#endif /* FF_LOCK */

/** \brief Return the hwif struct that define the selected hw defines.
 */
wismart_hwif_t libwismart_GetWismartHWIF(void);

/*---------------------------------------------------------------------------*/
/*  IRQ Handlers                                                             */
/*---------------------------------------------------------------------------*/


/*! \brief This function handles the WiFi Interrupt from FW
 *
 *  This function Handles the WiFi Interrupt from FW.
 *  This function must be called from the user for the selected external wifi irq.
 */
void libwismart_WiFi_IRQHandler(void);


/*! \brief This function handles the UART Rx Interrupt from debug serial port.
 *
 *  This function handles the UART Rx Interrupt from debug serial port.
 *  This function must be called from the user for the selected uart irq.
 */
void libwismart_UART_IRQHandler(void);

/*! \brief This function handles the UART Rx Interrupt from debug serial port.
 *
 *  This function handles the UART Rx Interrupt from debug serial port.
 *  This function must be called from the user for the selected uart irq.
 */
void libwismart_UART_TXDMA_IRQHandler(void);

/*! \brief This function handles the UART Rx Interrupt from debug serial port.
 *
 *  This function handles the UART Rx Interrupt from debug serial port.
 *  This function must be called from the user for the selected uart irq.
 */
void libwismart_UART_RXDMA_IRQHandler(void);

/*! \brief This function handles USB-On-The-Go FS/HS global interrupt request.
 *
 *  This function must be called from OTG_FS_IRQHandler or OTG_HS_IRQHandler irqs.
 */
void libwismart_USB_IRQHandling(void);

/** @} */


/*---------------------------------------------------------------------------*/
/* Commander Module (UART CLI application helper functions)                  */
/*---------------------------------------------------------------------------*/

/** \addtogroup COMMANDER_MODULE Commander Module
*
* \brief The group of functions used by the Commander application
* @{
*/

typedef void (*libwismart_cmd_execute)(char *argv[], uint8_t argc);

typedef struct{
    const char *cmd_name;
    libwismart_cmd_execute func;
    const char *cmd_help;
} libwismart_cmd_struct_t;


/*!
 * \brief Init the commander module with specific cmd table
 *
 * This function init the commander module with specific cmd table.
 *
 */
void libwismart_Commander_Init(libwismart_cmd_struct_t *cmd_table, uint8_t cmd_num );


/*!
 * \brief Send a char to the commander module.
 *
 * This function Send a char to the commander module. If the input is enter the cmd will be execute.
 *
 */
void libwismart_Commander_Input(char data);


/*!
 * \brief Send a char to the commander module from irq.
 *
 * This function Send a char to the commander module from irq context. If the input is enter the cmd will be execute.
 *
 */
void libwismart_Commander_InputI(char data);

/*!
 * \brief Proccess the executed cmd.
 *
 * This function process the executed cmd.
 * This function must be called inside of the main loop.
 *
 */
void libwismart_Commander_Proccess(void);

/*!
 * \brief Proccess the executed cmd.
 *
 * This function process the executed cmd.
 * This function must be called inside of the main loop.
 * This function will block until a cmd arive.
 * This is the best choise for power consuption.
 *
 */
void libwismart_Commander_Block_Proccess(void);

/** @} */

/*---------------------------------------------------------------------------*/
/* Pbuf Queues Manager Module                                                */
/*---------------------------------------------------------------------------*/

/** \defgroup PBUF_QUEUES Pbuf Queues
*
* \brief The group of functions that supports PBUF Queues operations
* @{
*/

/**
* \brief The structures below are used to store pbuf queues.
*/
typedef struct{
    struct pbuf    **queue;
    uint8_t          head_index;
    uint8_t          tail_index;
    uint8_t          len;
    uint8_t          max_len;
    Semaphore        sem;
} wismart_pbuf_queue_t;

/*!
 * \brief Init the pbuf queue.
 *
 * @param queue (data_queue_t *) The pbuf queue.
 * @param max_len (uint8_t *) The max number of pbuf in queues.
 *
 */
void libwismart_PBufQueue_Init(wismart_pbuf_queue_t * queue, uint8_t max_len);

/*!
 * \brief Deinit the pbuf queue.
 *
 * Cleans the queue and will free any pbufs that have been stored.
 *
 * @param queue (data_queue_t *) The pbuf queue.
 *
 */
void libwismart_PBufQueue_Deinit(wismart_pbuf_queue_t * queue);

/*!
 * \brief Add a pbuf to the queue
 *
 * Add a pbuf to the queue if we have free space available. 
 * Otherwise return WISMART_FAILURE.
 * This function increases the pbuf reference. Because of this,
 * the user must free the pbuf after the use of this function.
 *
 * @param queue (data_queue_t *) The pbuf queue.
 * @param p (struct pbuf *) The pbuf that we want to store.
 *
 * @return WISMART_SUCCESS if we add the pbuf successful.
 *
 */
uint8_t libwismart_PBufQueue_Add(wismart_pbuf_queue_t * queue,struct pbuf *p);

#define libwismart_PBufQueue_Add_Debug(q,p, _status) if(!(*_status=libwismart_PBufQueue_Add(q,p))) EC_DBG(TR_WIFI, "[%s][%d] Fail adding %x pbuf to "#q" queue\r\n", __func__, __LINE__, p)

/*!
 * \brief Get pbuf from the queue
 *
 * This funcion retrieves a pbuf from the queue but without remove it from the queue.
 * In case that the queue is empty the function returns NULL.
 *
 * @param queue (data_queue_t *) The pbuf queue.
 *
 * @return (struct pbuf *) The pbuf.
 *
 */
struct pbuf *libwismart_PBufQueue_GetLast(wismart_pbuf_queue_t * queue);


/*!
 * \brief Remove the last pbuf from the queue
 *
 * This function removes the last pbuf from the queue but without freeing it.
 * The user must free the pbuf when he has finished with the pbuf.
 *
 * @param queue (data_queue_t *) The pbuf queue.
 *
 * @return (struct pbuf *) The pbuf.
 *
 */
struct pbuf *libwismart_PBufQueue_RemoveLast(wismart_pbuf_queue_t * queue);

/*!
 * \brief Remove and free the last pbuf from the queue
 *
 * This function will remove and free the last pbuf from the queue.
 *
 * @param queue (data_queue_t *) The pbuf queue.
 *
 * @return (struct pbuf *) The pbuf.
 *
 */
void libwismart_PBufQueue_RemoveFreeLast(wismart_pbuf_queue_t * queue);

/*!
 * \brief Return the state of the queue.
 *
 * This function will return whether the queue is full or not
 *
 * @param queue (data_queue_t *) The pbuf queue.
 *
 * @return TRUE/FALSE
 *
 */
uint8_t libwismart_PBufQueue_isFull(wismart_pbuf_queue_t * queue);


/*!
 * \brief Return the state of the queue if is Empty
 *
 * This function will return whether the queue is empty or not
 *
 * @param queue (data_queue_t *) The pbuf queue.
 *
 * @return TRUE/FALSE
 *
 */
uint8_t libwismart_PBufQueue_isEmpty(wismart_pbuf_queue_t * queue);

/** @} */

/*---------------------------------------------------------------------------*/
/* WiFi Profile Configuration Module                                         */
/*---------------------------------------------------------------------------*/

/** \defgroup WIFI_PROFILES WiFi Profiles
*
* \brief The group of functions used by the WiFi profiles module
* @{
*/

/*
    Values for 'profile_enabled' profile configuration option
 */
enum {
    PROFILE_DISABLED,
    PROFILE_ENABLED
};

/*
    Values for 'wifi_mode' profile configuration option
 */
enum {
    PROFILE_WIFI_MODE_CLIENT = 1,
    PROFILE_WIFI_MODE_SOFTAP,
    PROFILE_WIFI_MODE_ADHOC,
    PROFILE_WIFI_MODE_WPS
};

/*
    Values for 'security' profile configuration option
 */
enum {
    PROFILE_SECURITY_OPEN = 1,
    PROFILE_SECURITY_WEP40,
    PROFILE_SECURITY_WEP104,
    PROFILE_SECURITY_WPA_WPA2
};

/*
    Values for 'dhcp_mode' profile configuration option

    PROFILE_DHCP_CLIENT_MODE: Enables the dhcp client, used in WiFi client mode and WPS
    PROFILE_STATIC_IP_MODE: Use a static IP configuration, used in WiFi client mode, AD-Hoc and WPS
    PROFILE_DHCP_SERVER_MODE: Enables the DHCP Server, used in WiFi SoftAP Mode only
 */
enum {
    PROFILE_DHCP_CLIENT_MODE = 1,
    PROFILE_STATIC_IP_MODE,
    PROFILE_DHCP_SERVER_MODE
};

/*
    Values for 'wps_method' profile configuration option
 */
enum {
    PROFILE_WPS_PIN_METHOD = 1,
    PROFILE_WPS_PUSH_BUTTON_METHOD
};

/*
    Values for 'fixed_rate' profile configuration option
 */
enum {
    PROFILE_AUTO_RATE =     0,    /* Auto rate */
    PROFILE_RATE_2MBPS =    0x84, /* 2 Mbps */
    PROFILE_RATE_5_5_MBPS = 0x8b, /* 5.5 Mbps */
    PROFILE_RATE_11_MBPS =  0x96, /* 11 Mbps */
    PROFILE_RATE_9_MBPS =   0x12, /* 9 Mbps */
    PROFILE_RATE_18_MBPS =  0x24, /* 18 Mbps */
    PROFILE_RATE_36_MBPS =  0x48, /* 36 Mbps */
    PROFILE_RATE_54_MBPS =  0x6c  /* 54 Mbps */
};

/*!
 * \brief Store a buffer in the profile
 *
 * This function will store a buffer in the configuration profile
 *
 */
int libwismart_ProfileSet_Buf(char* config_var, char* value);

/*!
 * \brief Store a string value in the profile
 *
 * This function will store a string value in the configuration profile
 *
 */
int libwismart_ProfileSet_Str(char* config_var, char* value);

/*!
 * \brief Store an integer value in the profile
 *
 * This function will store an integer value in the configuration profile
 *
 */
int libwismart_ProfileSet_Int(char* config_var, uint16_t value);

/*!
 * \brief Get a string value from the profile
 *
 * This function will get a string value from the configuration profile
 *
 */
int libwismart_ProfileGet_Str(char* config_var, char* out_value);

/*!
 * \brief Get an integer value in the profile
 *
 * This function will get an integer value in the configuration profile
 *
 */
int libwismart_ProfileGet_Int(char* config_var, uint16_t* out_value);

/*!
 * \brief Read a buffer from a profile
 *
 * This function will gread a buffer from a configuration profile
 *
 */
int libwismart_ProfileGet_Buf(char* config_var, char* out_value);
/** @} */

/*---------------------------------------------------------------------------*/
/* User Registry Module                                                      */
/*---------------------------------------------------------------------------*/

/** \defgroup Registry Registry
*
 * \brief The group of functions used by the Registry module
* @{
*/

typedef struct {
    uint16_t size;
    uint16_t address;
    uint16_t registryFile;
} wismart_registryKey_t;

/*!
 * \brief Create a registry key for a generic data type of size 'key_size'.
 *
 * This function will return a registry key for a specific data type that 
 * needs to be stored in registry. E.g if you have one struct and one 
 * array, this function should be called 2 times, one for each data type. 
 * 
 * Note that this function must be called before libwismart_RegistryOpen(). 
 * 
 * @param key (wismart_registryKey_t *) The returned registry key.
 * @param registryFile                  The registry file with which this key is related.
 * @param key_size                      The size of the registry key.
 *
 * @return WISMART_SUCCESS on success
 * @return WISMART_FAILURE if the data type does not fit in memory
 */
int libwismart_RegistryCreateKey(wismart_registryKey_t *key, uint16_t registryFile, uint32_t key_size);

/*!
 * \brief Opens a registry file
 * 
 * This function must be called only after all registry values have been 
 * registered with libwismart_RegistryCreateKey().
 * 
 * After calling this function the rest API is unlocked, and user can call
 * libwismart_RegistryGet(),libwismart_RegistrySet() and 
 * libwismart_RegistryIsValueEmpty().
 *
 * @param registryFile                  The registry file which is going to be opened.
 *
 * @return WISMART_SUCCESS on success
 * @return WISMART_FAILURE if the registry file fails to open
 */
int libwismart_RegistryOpen(uint16_t registryFile);

/*!
 * \brief Sets the value of a registry item.
 * 
 * This function will set the value of the selected registry
 * item using the registry key that has been created with
 * libwismart_RegistryCreateKey()
 *
 * @param key (wismart_registryKey_t *) The registry key.
 * @param pdata_in (void *) The address of data type containing
 *        the data to save
 *
 * @return WISMART_SUCCESS on success
 * @return WISMART_FAILURE on write error
 */
int libwismart_RegistrySet(wismart_registryKey_t *key, void *pdata_in);

/*!
 * \brief Gets the value of a registry item.
 * 
 * This function will get the value of the selected registry
 * item using the registry key that has been created with
 * libwismart_RegistryCreateKey()
 *
 * @param key (wismart_registryKey_t *) The registry key.
 * @param pdata_out (void *) Buffer containing the retrieved data
 *
 * @return WISMART_SUCCESS on success
 * @return WISMART_FAILURE on write error
 */
int libwismart_RegistryGet(wismart_registryKey_t *key, void *pdata_out);


/*!
 * \brief Checks if a registry item has a value.
 * 
 * This is true only if libwismart_RegistrySet() has been called at
 * least once.
 * 
 * @param key (wismart_registryKey_t *) The registry key.
 *
 * @retval 0 : if the registry item has a value
 * @retval 1 : if the registry item has not a value
 */
int libwismart_RegistryIsValueEmpty(wismart_registryKey_t* key);

/*!
 * \brief This function formats the registry. All settings will be lost.
 * 
 * @param registryFile                  The registry file which is going to be formatted.
 *
 * @retval WISMART_FAILURE  if there was an error while formating
 *         the registry file
 * @retval WISMART_SUCCESS  if the registry file was formated succesfully
 */        
int libwismart_RegistryFormat(uint16_t registryFile);

/** @} */
/*---------------------------------------------------------------------------*/
/* TCP Statistics                                                            */
/*---------------------------------------------------------------------------*/

typedef struct {
    uint16_t        xmit;
    uint16_t        drop;
    uint16_t        chkerr;
    uint16_t        err;
    uint16_t        rterr;
}   wismart_tcp_stats_t;

/*!
 * \brief Clears the TCP Statistics
 *
 * This function clears the TCP statistics
 *
 */
void libwismart_ClearTcpStats(void);

/*!
 * \brief Prints the TCP Statistics
 *
 * This function prints TCP statistics
 *
 */
void libwismart_PrintTcpStats(void);

/*!
 * \brief Retrieve TCP Statistics
 *
 * This function can be used to retrieve TCP statistics
 *
 * @param stats Structure containing the statistics
 */
void libwismart_GetTcpStats(wismart_tcp_stats_t* stats);

/** @} */
/*---------------------------------------------------------------------------*/
/* Console Commands                                                            */
/*---------------------------------------------------------------------------*/
/*!
 * \brief Send a Console Cmd
 *
 * This function Sends a console command to wifi fw
 *
 * @param command Buffer containing the command itself
 * @param command_len size of buffer
 */
void libwismart_SendConsoleRequest(unsigned char* command, uint16_t command_len);

/*---------------------------------------------------------------------------*/
/* DLNA API                                                                  */
/*---------------------------------------------------------------------------*/
/** \defgroup DLNA DLNA API
*
* \brief The group of functions to initialize library, Wi-Fi, TPC/IP and 
*  shutdown the Wi-Fi
* @{
*/

/**
    @brief Definiton for the setVolumeCb_t.
    @param volumeValue The value to which the volume must be set to. Values
            range from 0 to 100.
 */
typedef void        (*setVolumeCb_t)(uint32_t volumeValue);

/**
    @brief Definiton for the getVolumeCb_t.
    @retval The current value of the volume. Values range from 0 to 100.
 */
typedef uint32_t    (*getVolumeCb_t)(void);

/**
    @brief Definiton for the setMuteCb_t.
    @param muteValue The current status of the mute. Can be LW_DLNA_MUTE_ON or LW_DLNA_MUTE_OFF 
 */
typedef void        (*setMuteCb_t)(uint32_t muteValue);

/**
    @brief Definiton for the getMuteCb_t.
    @retval The current status of the mute. Can be LW_DLNA_MUTE_ON or LW_DLNA_MUTE_OFF 
 */
typedef uint32_t    (*getMuteCb_t)(void);

/**
    @brief Definiton for the setUriCb_t.
    @param uri The uri of the audio file
    @param ip The IP of the server in which the resource is located
    @param port The port of the server that user must connect to in order to retrieve the audio file
 */
typedef void        (*setUriCb_t)(uint8_t* uri);

/**
    @brief Definiton for the playCb_t.
    @note  User application should start playing the audio file from the current URI when this callback
            is called. Normally, the control device sends a STOP soap action, then a SET_URI soap action
            and finally a PLAY soap action. Some control devices send only the SET_URI and STOP actions.
            This means that when receiving a PLAY soap action, user application must stop the playback
            of the current audio file, and start playing the new file received from the SET_URI action.
 */
typedef void        (*playCb_t)(void);

/**
    @brief Definiton for the pauseCb_t.
 */
typedef void        (*pauseCb_t)(void);

/**
    @brief Definiton for the stopCb_t.
 */
typedef void        (*stopCb_t)(void);

/**
    @brief Definiton for the seekCb_t.
    @param bytePos The byte number from  which the playback must be continued.
 */
typedef void        (*seekCb_t)(uint32_t bytePos);

/**
    @brief Definition for DLNA_MUTE_ON
 */
#define DLNA_MUTE_ON    (1)

/**
    @brief Definition for DLNA_MUTE_OFF
 */
#define DLNA_MUTE_OFF   (0)


/**  
    @brief Initializes the DLNA stack. This includes all DLNA servers, connections
            and the related memory modules. Must be called when wismart's wifi is connected.
    @param dmrFriendlyName Registers the name with which the wismart DMR(speaker) will be listed when
            control devices scan for media renderers.
    @param dmsFriendlyName Registers the name with which the wismart DMS(server) will be listed when
            control devices scan for media server. Pass NULL if DMS functionality is not needed.
    @param manufacturer The name of the manufacturer. This name will be sent when control devices
            ask for the device descriptor.
    @param manufacturerUrl the URL of the manufacturer
    @param udn The unique identifier of the device. It is not permitted two dlna devices to share the same
            UDN. 
            \nUUIDs are 128 bit numbers that MUST be formatted as specified by the following grammar:

            \nUUID = 4 * <hexOctet> - 2 * <hexOctet> - 2 * <hexOctet> - 2 * <hexOctet> - 6 * <hexOctet>
            \nhexOctet = <hexDigit> <hexDigit> hexDigit = 0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|A|B|C|D|E|F

            \nThe following is an example of the string representation of a UUID:
            \n2fac1234-31f8-11b4-a222-08002b34c003
    @retval 0 on success
    @retval negative on error
*/
uint32_t libwismart_dlna_init(uint8_t * dmrFriendlyName, uint8_t * dmsFriendlyName, uint8_t* manufacturer, uint8_t* manufacturerUrl, uint8_t* udn);

uint32_t libwismart_dlna_connect(void);


/**
    @brief After calling this function the device will restart in softAp mode
            with SSID "WisAudio" and open encryption. User can connect to this
            network from his device, and by typing 192.168.1.1:50000 in device's
            web browser the configuration web page will show up.
 */
void dlnaEnterConfigurationMode(void);


/**
    @brief Enables DLNA's debug messages
 */
void libwismart_dlna_debugEnable(void);

/**
    @brief Disables DLNA's debug messages
 */
void libwismart_dlna_debugDisable(void);


/**
    @brief Informs the DLNA stack that the playback of the current audio file finished. This function
            must be called when the user application retrieved and played the whole file. The
            DLNA stack will then inform all subscribers that the current state of the audio/video
            transport is STOPPED, so they can update their GUIs (Stop their playback progress bar for example).
 */
void libwismart_dlna_playbackFinished(void);

/**
    @brief Informs the DLNA stack for the current byte position of the
            playback. With this function the DLNA stack updates the corresponding
            state variables, and all control points know the exact position of the playback, so
            they can update their seek bars.
    @param currentByte The current byte number that is be played.
    @param totalBytes The total size of the audio file. This is received from the HTTP response.
 */
void libwismart_dlna_updatePositionInfo(uint32_t currentByte, uint32_t totalBytes);


/**
    @brief Callback function tha DLNA stack uses to inform the user application
            that the volume must be set in a spesific level.
 */
void libwismart_dlna_setVolumeCb(setVolumeCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to get from the the user application
            the current volume level.
 */
void libwismart_dlna_getVolumeCb(getVolumeCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to inform the user application
            that the volume must muted
 */
void libwismart_dlna_setMuteCb(setMuteCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to get from the the user application
            the current mute state.
 */
void libwismart_dlna_getMuteCb(getMuteCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to inform the user application
            that it must start playing the the audio file from the current URI.
 */
void libwismart_dlna_playCb(playCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to inform the user application
            that the playback must be paused.
 */
void libwismart_dlna_pauseCb(pauseCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to inform the user application
            that the volume must be stopped.
 */
void libwismart_dlna_stopCb(stopCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to inform the user application
            that the playback must be continued from a certain point
 */
void libwismart_dlna_seekCb(seekCb_t funcPtr);

/**
    @brief Callback function tha DLNA stack uses in order to inform the user application
            that a the current URI was updated.
 */
void libwismart_dlna_setUriCb(setUriCb_t funcPtr);

/**
    @brief Opens a file from DMS.

    @param fileUri The url of the file to be opened
    @param seekPos The initial byte position from which the read will start
    @param fileSize Stores the size of the opened file in bytes

    @retval 0 on success
    @retval positive on error
 */
uint32_t libwismart_dlna_dmsFile_open(uint8_t* fileUri, uint32_t seekPos, uint32_t* fileSize );


/**
    @brief Closes the file opened with libwismart_dlna_dmsFile_open()

    @retval 0 on success
    @retval positive on error
 */
uint32_t libwismart_dlna_dmsFile_close(void);


/**
    @brief Reads data from DMS.

    @param dataBuffer The buffer in which the read data will be stored
    @param bytesRequested The size of 'dataBuffer' in bytes
    @param bytesReturned How many bytes where actually read

    @retval 0 on success
    @retval positive on error
 */
uint32_t libwismart_dlna_dmsFile_read(uint8_t* dataBuffer, uint32_t bytesRequested, uint32_t* bytesReturned);


/**
    @brief Locks the sychronization object for dms open/read/close operations
 */
void libwismart_dlna_dmsFile_lock(void);


/**
    @brief Unlocks the sychronization object for dms open/read/close operations
 */
void libwismart_dlna_dmsFile_unlock(void);


/** @} */



/*---------------------------------------------------------------------------*/
/* HTTP SERVER API                                                           */
/*---------------------------------------------------------------------------*/
/** \defgroup HTTP_SERVER_API HTTP Server API
*
* \brief The group of functions to initialize and use the internal HTTP server
* @{
*/

/**
    @brief Memory allocation types for buffers passed into the HTTP server 
 */
enum WISMART_SERVER_ALLOC_T{
    WISMART_SERVER_ALLOC_STATIC = 0, ///< Inform server that the specific buffer is static, and no de-allocation should be made
    WISMART_SERVER_ALLOC_DYNAMIC,    ///< Inform server that the specific buffer is dynamic, and the server should call the wismart_server_free_cb_t function in order to free the memory
};

/**
    @brief HTTP server's callback return values 
 */
enum WISMART_SERVER_ERR_T{
    WISMART_SERVER_ERR_OK = 0,
    WISMART_SERVER_ERR_MEM,
    WISMART_SERVER_ERR_NOT_READY,
    WISMART_SERVER_ERR_FATAL,
    WISMART_SERVER_ERR_NOT_FOUND,
    WISMART_SERVER_ERR_STRING_NOT_FOUND = 0xffffff00,
    WISMART_SERVER_ERR_OTHER
};

/**
    @brief This struct is used to describe the HTTP resources
            that are to be handled by the HTTP Server
 */
typedef struct {
    /**
        @brief The name of the resource
    */
    char*       name;
    /**
        @brief Specifies if the resource has dynamic content
    */
    uint8_t     hasDynamicContent;
    /**
        @brief Specifies any function that should be called when the resource is requested
    */
    void        (*scriptCb)(void);
    /**
        @brief Pointer to resource's data
    */
    uint8_t*    dataPtr;
    /**
        @brief The file size of the resource
    */
    uint32_t    dataSize;
    /**
        @brief The mime type of the resource
    */
    char*       mimeType;
    /**
        @brief Specifies if the browser is allowed to cache the resource locally
                in order the page to be loaded faster
    */
    uint8_t     canBeCached;
}wismart_server_resource_t;

/**
    @brief Type definition of the callback function to be called when the dynamic
            content should be processed
 */
typedef uint32_t    (*wismart_server_dynamic_cb_t)(char* varName, char** varValue, uint8_t* varAllocType);

/**
    @brief Type definition of the callback function to be called when dynamically allocated memory should be freed
 */
typedef void        (*wismart_server_free_cb_t)(void*);

/**
    @brief This function allocates memory for the HTTP server and starts the server thread.

    @param serverPort Server's listening port (Usually 80)
    @param serverName Desired server's name, used in HTTP responses
    @param dynamicCb  callback function to be called when the dynamic content should be processed
    @param freeCb     callback function to be called when dynamically allocated memory should be freed
    @param resources  An array of the HTTP resources to be handled by the server. The last resource should
                        have the 'name' field point to NULL in order the server to know the number of the resources.
 */
uint32_t libwismart_server_start(uint16_t serverPort, char* serverName, wismart_server_dynamic_cb_t dynamicCb, wismart_server_free_cb_t freeCb, wismart_server_resource_t* resources);
uint32_t libwismart_server_connect(void);
uint32_t libwismart_server_GET(char* variableName, char* variableValue, uint32_t maxVariableValueLen);
uint32_t libwismart_server_POST(char* variableName, char* variableValue, uint32_t maxVariableValueLen);


/** @} */




/*---------------------------------------------------------------------------*/
/* Link List Util                                                            */
/*---------------------------------------------------------------------------*/
/** \defgroup STM32_PERIPHERALS MCU Peripheral locks
*
* \brief The group of functions that make thread safe some peripheral resources.
* @{
*/

void libwismart_peripheral_lock(uint8_t wimsartPeripheral);
void libwismart_peripheral_unlock(uint8_t wimsartPeripheral);

/** @} */

/*---------------------------------------------------------------------------*/
/* Link List Util                                                            */
/*---------------------------------------------------------------------------*/
/** \defgroup STM32_PERIPHERALS Over The Air (OTA) Upgrade
*
* \brief The group of functions that make possible to upgrade firmware over the air
* @{
*/
uint8_t libwismart_set_ota_ftp_parameters(char* wifi_ssid, char* wifi_passphrase, char* ftp_server_ip, uint16_t ftp_server_port, char* ftp_username, char* ftp_password, char* ftp_filename, uint8_t keepApplicationRegistrySettings);
/** @} */

/*---------------------------------------------------------------------------*/
/* Link List Util                                                            */
/*---------------------------------------------------------------------------*/
/** \defgroup LINK_LIST Linked Lists API
*
* \brief The group of functions to initialize and use of thread save of link list API.
* @{
*/

typedef struct wismart_link_list_node{
    struct wismart_link_list_node   *next;
    void                            *data;
} wismart_link_list_node_t;

typedef struct wismart_link_list{
    wismart_link_list_node_t    *root;
    Semaphore                    sem;
    uint16_t                     len;
} wismart_link_list_t;

wismart_link_list_t* libwismart_LinkList_Init(void);

uint8_t libwismart_LinkList_AddLast(wismart_link_list_t *list,void *data);

uint8_t libwismart_LinkList_AddFirst(wismart_link_list_t *list,void *data);

uint8_t libwismart_LinkList_AddAfter(wismart_link_list_t *list,void *preData,void *data);

uint8_t libwismart_LinkList_Exist(wismart_link_list_t *list,void *data);

uint8_t libwismart_LinkList_Remove(wismart_link_list_t *list,void *data);

void *libwismart_LinkList_RemoveFirst(wismart_link_list_t *list);

void *libwismart_LinkList_RemoveLast(wismart_link_list_t *list);

void *libwismart_LinkList_GetLast(wismart_link_list_t *list);

void *libwismart_LinkList_GetFirst(wismart_link_list_t *list);

void *libwismart_LinkList_GetFirstNode(wismart_link_list_t *list);


uint8_t libwismart_LinkList_FilterExec(wismart_link_list_t *list, 
                                       uint8_t (*selection)(void *data),
                                       void    (*func)(void *data));

void
libwismart_LinkList_Exec(wismart_link_list_t *list,
                         void    *priv_data,
                         void   (*func)(void *priv_data, void *data));

void *
libwismart_LinkList_Find(wismart_link_list_t *list,
                         void    *priv_data,
                         uint8_t  (*func)(void *priv_data, void *data));

void *
libwismart_LinkList_FindAndRemove(wismart_link_list_t *list,
                                  void    *priv_data,
                                  uint8_t (*func)(void *priv_data, void *data));

uint16_t
libwismart_LinkList_Count(wismart_link_list_t *list);

/** @} */

/**
    @brief WiSmart Recover Mechanism 
*/
int libwismart_WiFiReInit(void);


#endif /* LIBWISMART_H_ */


/** @} */