/*!
\brief This function initializes the application variables
\param[in] None
\return 0 on success, negative error-code on error
*/
static _i32 initializeAppVariables()
{
g_Status = 0;
pal_Memset(g_auth_name, 0, sizeof(g_auth_name));
pal_Memset(g_auth_password, 0, sizeof(g_auth_name));
pal_Memset(g_auth_realm, 0, sizeof(g_auth_name));
pal_Memset(g_domain_name, 0, sizeof(g_auth_name));
pal_Memset(g_device_urn, 0, sizeof(g_auth_name));
return SUCCESS;
}
/*!
\brief This function initializes the application variables
\param[in] None
\return 0 on success, negative error-code on error
*/
static _i32 initializeAppVariables()
{
g_Status = 0;
pal_Memset(g_BSSID, 0, sizeof(g_BSSID));
return SUCCESS;
}
/*!
\brief This function configure the SimpleLink device in its default state. It:
- Sets the mode to STATION
- Configures connection policy to Auto and AutoSmartConfig
- Deletes all the stored profiles
- Enables DHCP
- Disables Scan policy
- Sets Tx power to maximum
- Sets power policy to normal
- Unregisters mDNS services
- Remove all filters
\param[in] none
\return On success, zero is returned. On error, negative is returned
*/
static _i32 configureSimpleLinkToDefaultState()
{
SlVersionFull ver = {0};
_WlanRxFilterOperationCommandBuff_t RxFilterIdMask = {0};
_u8 val = 1;
_u8 configOpt = 0;
_u8 configLen = 0;
_u8 power = 0;
_i32 retVal = -1;
_i32 mode = -1;
mode = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(mode);
/* If the device is not in station-mode, try configuring it in station-mode */
if (ROLE_STA != mode)
{
if (ROLE_AP == mode)
{
/* If the device is in AP mode, we need to wait for this event before doing anything */
while(!IS_IP_ACQUIRED(g_Status)) { _SlNonOsMainLoopTask(); }
}
/* Switch to STA role and restart */
retVal = sl_WlanSetMode(ROLE_STA);
ASSERT_ON_ERROR(retVal);
retVal = sl_Stop(SL_STOP_TIMEOUT);
ASSERT_ON_ERROR(retVal);
retVal = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(retVal);
/* Check if the device is in station again */
if (ROLE_STA != retVal)
{
/* We don't want to proceed if the device is not coming up in station-mode */
ASSERT_ON_ERROR(DEVICE_NOT_IN_STATION_MODE);
}
}
/* Get the device's version-information */
configOpt = SL_DEVICE_GENERAL_VERSION;
configLen = sizeof(ver);
retVal = sl_DevGet(SL_DEVICE_GENERAL_CONFIGURATION, &configOpt, &configLen, (unsigned char *)(&ver));
ASSERT_ON_ERROR(retVal);
/* Set connection policy to Auto + SmartConfig (Device's default connection policy) */
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
ASSERT_ON_ERROR(retVal);
/* Remove all profiles */
retVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(retVal);
/*
* Device in station-mode. Disconnect previous connection if any
* The function returns 0 if 'Disconnected done', negative number if already disconnected
* Wait for 'disconnection' event if 0 is returned, Ignore other return-codes
*/
retVal = sl_WlanDisconnect();
if(0 == retVal)
{
/* Wait */
while(IS_CONNECTED(g_Status)) { _SlNonOsMainLoopTask(); }
}
/* Enable DHCP client*/
retVal = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&val);
ASSERT_ON_ERROR(retVal);
/* Disable scan */
configOpt = SL_SCAN_POLICY(0);
retVal = sl_WlanPolicySet(SL_POLICY_SCAN , configOpt, NULL, 0);
ASSERT_ON_ERROR(retVal);
/* Set Tx power level for station mode
Number between 0-15, as dB offset from max power - 0 will set maximum power */
power = 0;
retVal = sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, &power);
ASSERT_ON_ERROR(retVal);
/* Set PM policy to normal */
retVal = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
ASSERT_ON_ERROR(retVal);
/* Unregister mDNS services */
retVal = sl_NetAppMDNSUnRegisterService(0, 0);
ASSERT_ON_ERROR(retVal);
/* Remove all 64 filters (8*8) */
pal_Memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
retVal = sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask,
sizeof(_WlanRxFilterOperationCommandBuff_t));
ASSERT_ON_ERROR(retVal);
retVal = sl_Stop(SL_STOP_TIMEOUT);
ASSERT_ON_ERROR(retVal);
retVal = initializeAppVariables();
ASSERT_ON_ERROR(retVal);
return retVal; /* Success */
}