//--tested, working--//
int8_t WiFiClass::scanNetworks()
{
if (!_initialized) {
init();
}
const int WLAN_SCAN_COUNT = 20;
int iRet;
unsigned char ucpolicyOpt;
union
{
unsigned char ucPolicy[4];
unsigned int uiPolicyLen;
}policyVal;
//
// make sure the connection policy is not set (so no scan is run in the background)
//
ucpolicyOpt = SL_CONNECTION_POLICY(0, 0, 0, 0, 0);
iRet = sl_WlanPolicySet(SL_POLICY_CONNECTION , ucpolicyOpt, NULL, 0);
if(iRet != 0)
{
sl_WlanPolicySet(SL_POLICY_CONNECTION , SL_CONNECTION_POLICY(1,1,0,0,0), 0, 0);
return 0;
}
//
// set the scan policy for ten seconds. This starts the scan.
//
policyVal.uiPolicyLen = 10;
iRet = sl_WlanPolicySet(SL_POLICY_SCAN , SL_SCAN_POLICY(1), (unsigned char *)(policyVal.ucPolicy), sizeof(policyVal));
if(iRet != 0)
{
sl_WlanPolicySet(SL_POLICY_CONNECTION , SL_CONNECTION_POLICY(1,1,0,0,0), 0, 0);
return 0;
}
delay(300);
//
// get scan results - all 20 entries in one transaction
// this array isn't actually used, but you have to do this to get the count
//
Sl_WlanNetworkEntry_t found_networks[WLAN_SCAN_COUNT];
network_count = sl_WlanGetNetworkList(0, (unsigned char)WLAN_SCAN_COUNT, found_networks);
//
// disable scan
//
ucpolicyOpt = SL_SCAN_POLICY(0);
sl_WlanPolicySet(SL_POLICY_SCAN , ucpolicyOpt, NULL, 0);
sl_WlanPolicySet(SL_POLICY_CONNECTION , SL_CONNECTION_POLICY(1,1,0,0,0), 0, 0);
return network_count;
}
int32_t ResetSimpleLink() {
int32_t i32Mode = -1, i32RetVal = -1;
uint8_t ui8Val = 1;
i32Mode = sl_Start(0, 0, 0);
i32RetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
if (i32RetVal != 0) {
return -1;
}
i32RetVal = sl_WlanProfileDel(0xFF);
if (i32RetVal != 0) {
return -1;
}
if (ROLE_STA != i32Mode) {
if (ROLE_AP == i32Mode) {
while (!STATUS_GET(g_sSLCon.Status, STATUS_BIT_IP_ACQUIRED)) {
}
}
sl_WlanSetMode(ROLE_STA);
sl_Stop(0);
g_sSLCon.Status = 0;
i32RetVal = sl_Start(0, 0, 0);
if (ROLE_STA != i32RetVal) {
return -1;
}
}
i32RetVal = sl_WlanDisconnect();
if (i32RetVal == 0) {
while (STATUS_GET(g_sSLCon.Status, STATUS_BIT_CONNECTED)) {
}
}
sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE, 1, 1, &ui8Val);
sl_WlanPolicySet(SL_POLICY_SCAN, SL_SCAN_POLICY(0), NULL, NULL);
ui8Val = 0;
sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID,
WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *) &ui8Val);
sl_WlanPolicySet(SL_POLICY_PM, SL_NORMAL_POLICY, NULL, 0);
sl_NetAppMDNSUnRegisterService(0, 0);
sl_Stop(0);
InitVariables();
return 0;
}
//*****************************************************************************
//
//! \brief This function Get the Scan Result
//!
//! \param[in] none
//!
//! \return Size of Scan Result Array
//!
//! \note
//!
//
//*****************************************************************************
int GetScanResult(Sl_WlanNetworkEntry_t* netEntries )
{
UINT8 policyOpt;
UINT32 IntervalVal = 60;
int retVal;
policyOpt = SL_CONNECTION_POLICY(0, 0, 0, 0, 0);
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION , policyOpt, NULL, 0);
if(retVal < 0)
{
/* Error */
}
// enable scan
policyOpt = SL_SCAN_POLICY(1);
// set scan policy - this starts the scan
retVal = sl_WlanPolicySet(SL_POLICY_SCAN , policyOpt,
(UINT8 *)(IntervalVal), sizeof(IntervalVal));
// delay 1 second to verify scan is started
osi_Sleep(1000);
// retVal indicates the valid number of entries
// The scan results are occupied in netEntries[]
retVal = sl_WlanGetNetworkList(0, SCAN_TABLE_SIZE, netEntries);
// Disable scan
policyOpt = SL_SCAN_POLICY(0);
// set scan policy - this stops the scan
sl_WlanPolicySet(SL_POLICY_SCAN , policyOpt,
(UINT8 *)(IntervalVal), sizeof(IntervalVal));
return retVal;
}
void wlan_configure()
{
sl_Start(NULL, NULL, NULL);
//
// reset all network policies
//
unsigned char ucpolicyVal;
int ret;
ret = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(0,0,0,0,0),
&ucpolicyVal,
1 /*PolicyValLen*/);
if(ret < 0)
{
LOOP_FOREVER();
}
sl_WlanSetMode(ROLE_STA);
sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
sl_WlanProfileDel(0xFF);
sl_WlanDisconnect();
_WlanRxFilterOperationCommandBuff_t RxFilterIdMask;// = {0};
memset(&RxFilterIdMask, 0, sizeof(RxFilterIdMask));
unsigned char ucVal = 0;
unsigned char ucConfigOpt = 0;
// Enable DHCP client
sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&ucVal);
// Disable scan
ucConfigOpt = SL_SCAN_POLICY(0);
sl_WlanPolicySet(SL_POLICY_SCAN , ucConfigOpt, NULL, 0);
// Set Tx power level for station mode
// Number between 0-15, as dB offset from max power - 0 will set max power
unsigned char ucPower = 0;
sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *)&ucPower);
// Set PM policy to normal
sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
// Unregister mDNS services
sl_NetAppMDNSUnRegisterService(0, 0);
// Remove all 64 filters (8*8)
memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask, sizeof(_WlanRxFilterOperationCommandBuff_t));
sl_Stop(SL_STOP_TIMEOUT);
}
static void wlan_scan()
{
unsigned char ucpolicyOpt;
union {
unsigned char ucPolicy[4];
unsigned int uiPolicyLen;
} policyVal;
ucpolicyOpt = SL_CONNECTION_POLICY(0, 0, 0, 0,0);
sl_WlanPolicySet(SL_POLICY_CONNECTION , ucpolicyOpt, NULL, 0);
ucpolicyOpt = SL_SCAN_POLICY(1);
policyVal.uiPolicyLen = 10;
sl_WlanPolicySet(SL_POLICY_SCAN , ucpolicyOpt, (unsigned char*)(policyVal.ucPolicy), sizeof(policyVal));
MAP_UtilsDelay(8000000);
Sl_WlanNetworkEntry_t netEntries[10];
_i16 resultsCount = sl_WlanGetNetworkList(0,10,&netEntries[0]);
for (int i=0; i< resultsCount; i++)
UART_PRINT("ssid: %s\trssi: %d\tsec-t: %u\r\n",netEntries[i].ssid, netEntries[i].rssi, netEntries[i].sec_type);
}
/*!
\brief This function puts the device in its default state. It:
- Set 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
- Unregister mDNS services
- Remove all filters
\param[in] none
\return On success, zero is returned. On error, negative is returned
*/
static _i32 configureSimpleLinkToDefaultState(_i8 *pConfig)
{
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, pConfig, 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));
}
/* 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, pConfig, 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, (_u8 *)(&ver));
ASSERT_ON_ERROR(retVal);
printf("Host Driver Version: %s\n",SL_DRIVER_VERSION);
printf("Build Version %d.%d.%d.%d.31.%d.%d.%d.%d.%d.%d.%d.%d\n",
ver.NwpVersion[0],ver.NwpVersion[1],ver.NwpVersion[2],ver.NwpVersion[3],
ver.ChipFwAndPhyVersion.FwVersion[0],ver.ChipFwAndPhyVersion.FwVersion[1],
ver.ChipFwAndPhyVersion.FwVersion[2],ver.ChipFwAndPhyVersion.FwVersion[3],
ver.ChipFwAndPhyVersion.PhyVersion[0],ver.ChipFwAndPhyVersion.PhyVersion[1],
ver.ChipFwAndPhyVersion.PhyVersion[2],ver.ChipFwAndPhyVersion.PhyVersion[3]);
/* 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));
}
/* 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, (_u8 *)&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) */
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 */
}
//*****************************************************************************
//! \brief This function puts the device in its default state. It:
//! - Set 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
//! - Unregister mDNS services
//! - Remove all filters
//!
//! \param none
//! \return On success, zero is returned. On error, negative is returned
//*****************************************************************************
static long ConfigureSimpleLinkToDefaultState()
{
SlVersionFull ver = {0};
_WlanRxFilterOperationCommandBuff_t RxFilterIdMask = {0};
unsigned char ucVal = 1;
unsigned char ucConfigOpt = 0;
unsigned char ucConfigLen = 0;
unsigned char ucPower = 0;
long lRetVal = -1;
long lMode = -1;
lMode = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(lMode);
// If the device is not in station-mode, try configuring it in station-mode
if (ROLE_STA != lMode)
{
if (ROLE_AP == lMode)
{
// If the device is in AP mode, we need to wait for this event
// before doing anything
while(!IS_IP_ACQUIRED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
// Switch to STA role and restart
lRetVal = sl_WlanSetMode(ROLE_STA);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Stop(0xFF);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
// Check if the device is in station again
if (ROLE_STA != lRetVal)
{
// We don't want to proceed if the device is not coming up in STA-mode
return DEVICE_NOT_IN_STATION_MODE;
}
}
// Get the device's version-information
ucConfigOpt = SL_DEVICE_GENERAL_VERSION;
ucConfigLen = sizeof(ver);
lRetVal = sl_DevGet(SL_DEVICE_GENERAL_CONFIGURATION, &ucConfigOpt,
&ucConfigLen, (unsigned char *)(&ver));
ASSERT_ON_ERROR(lRetVal);
UART_PRINT("Host Driver Version: %s\n\r",SL_DRIVER_VERSION);
UART_PRINT("Build Version %d.%d.%d.%d.31.%d.%d.%d.%d.%d.%d.%d.%d\n\r",
ver.NwpVersion[0],ver.NwpVersion[1],ver.NwpVersion[2],ver.NwpVersion[3],
ver.ChipFwAndPhyVersion.FwVersion[0],ver.ChipFwAndPhyVersion.FwVersion[1],
ver.ChipFwAndPhyVersion.FwVersion[2],ver.ChipFwAndPhyVersion.FwVersion[3],
ver.ChipFwAndPhyVersion.PhyVersion[0],ver.ChipFwAndPhyVersion.PhyVersion[1],
ver.ChipFwAndPhyVersion.PhyVersion[2],ver.ChipFwAndPhyVersion.PhyVersion[3]);
// Set connection policy to Auto + SmartConfig
// (Device's default connection policy)
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
ASSERT_ON_ERROR(lRetVal);
// Remove all profiles
lRetVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(lRetVal);
//
// 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
//
lRetVal = sl_WlanDisconnect();
if(0 == lRetVal)
{
// Wait
while(IS_CONNECTED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
// Enable DHCP client
lRetVal = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&ucVal);
ASSERT_ON_ERROR(lRetVal);
// Disable scan
ucConfigOpt = SL_SCAN_POLICY(0);
lRetVal = sl_WlanPolicySet(SL_POLICY_SCAN , ucConfigOpt, NULL, 0);
ASSERT_ON_ERROR(lRetVal);
// Set Tx power level for station mode
// Number between 0-15, as dB offset from max power - 0 will set max power
ucPower = 0;
lRetVal = sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID,
WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *)&ucPower);
ASSERT_ON_ERROR(lRetVal);
// Set PM policy to normal
lRetVal = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
ASSERT_ON_ERROR(lRetVal);
// Unregister mDNS services
lRetVal = sl_NetAppMDNSUnRegisterService(0, 0);
ASSERT_ON_ERROR(lRetVal);
// Remove all 64 filters (8*8)
memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
lRetVal = sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask,
sizeof(_WlanRxFilterOperationCommandBuff_t));
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Stop(SL_STOP_TIMEOUT);
ASSERT_ON_ERROR(lRetVal);
InitializeAppVariables();
return lRetVal; // Success
}
void Task_WifiScan(void* params)
{
(void)params; //avoid unused error
long retval;
unsigned char policy;
unsigned int policy_len;
LOG(LOG_VERBOSE, "Starting WiFi network scan...");
SetLEDBlink(LED_1, LED_BLINK_PATTERN_WIFI_SCANNING);
if(WifiDefaultSettings() == RET_FAILURE) {
goto error;
}
retval = sl_Start(0,0,0);
if(retval<0) {
goto error;
}
//first, delete current connection policy
policy = SL_CONNECTION_POLICY(0,0,0,0,0);
retval = sl_WlanPolicySet(SL_POLICY_CONNECTION, policy, NULL, 0);
if(retval<0) {
goto error;
}
//make scan policy
policy = SL_SCAN_POLICY(1);
policy_len = WIFI_SCAN_TIME_S;
retval = sl_WlanPolicySet(SL_POLICY_SCAN, policy, (unsigned char*)&policy_len, sizeof(policy_len));
if(retval<0) {
goto error;
}
//wait for the scan to complete
const TickType_t delay = (1100*WIFI_SCAN_TIME_S) / portTICK_PERIOD_MS;
vTaskDelay(delay);
//get the results back
unsigned char index = 0;
retval = sl_WlanGetNetworkList(index, (unsigned char)WIFI_NUM_NETWORKS, &(wifi_state.networks[index]));
//retval holds the number of networks now, and they are saved in the state.
//disable the scan
policy = SL_SCAN_POLICY(0);
retval = sl_WlanPolicySet(SL_POLICY_SCAN, policy, NULL, 0);
if(retval<0) {
goto error;
}
//disable SimpleLink altogether
retval = sl_Stop(SL_STOP_TIMEOUT);
if(retval<0) {
goto error;
}
LOG(LOG_VERBOSE, "WiFi network scan complete.");
ClearLED(LED_1);
#ifdef DO_STACK_CHECK
wifi_state.stack_watermark = uxTaskGetStackHighWaterMark(NULL);
#endif
//exit (delete this task)
WifiTaskEndCallback(&Task_WifiScan);
vTaskDelete(NULL);
return;
error:
SetLEDBlink(LED_1, LED_BLINK_PATTERN_WIFI_FAILED);
TASK_RETURN_ERROR(ERROR_UNKNOWN, "WIFI scan fail");
return;
}
static int WifiDefaultSettings(void)
{
long retval = -1;
unsigned char val = 1;
unsigned char config, config_len;
//filters
_WlanRxFilterOperationCommandBuff_t filter_mask = {
.Padding = {0}
};
//initialize the SimpleLink API
retval = sl_Start(0,0,0);
if(retval < 0) {
RETURN_ERROR(ERROR_UNKNOWN, "SL start fail");
}
//set device in station mode
if(retval != ROLE_STA) {
if(retval == ROLE_AP) { //we need to wait for an event before doing anything
while(!IS_IP_ACQUIRED(wifi_state.status)) {
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
//change mode to Station
retval = sl_WlanSetMode(ROLE_STA);
if(retval < 0) {
RETURN_ERROR(ERROR_UNKNOWN, "WLAN mode fail");
}
//restart
retval = sl_Stop(0xFF);
if(retval < 0) {
RETURN_ERROR(ERROR_UNKNOWN, "SL stop fail");
}
retval = sl_Start(0,0,0);
if(retval < 0) {
RETURN_ERROR(ERROR_UNKNOWN, "SL start fail");
}
if(retval != ROLE_STA) {
RETURN_ERROR(ERROR_UNKNOWN, "WLAN mode fail");
}
}
//get SimpleLink version
config = SL_DEVICE_GENERAL_VERSION;
config_len = sizeof(SlVersionFull);
retval = sl_DevGet(SL_DEVICE_GENERAL_CONFIGURATION, &config, &config_len, (unsigned char*)&wifi_state.version);
if(retval<0) {
RETURN_ERROR(retval, "WIFI conf fail");
}
//default connection policy
retval = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1, 0, 0, 0, 0),
NULL,
0);
if(retval<0) {
RETURN_ERROR(retval, "WIFI policy fail");
}
//disconnect
retval = sl_WlanDisconnect();
if(retval == 0) { //not yet disconnected
while(IS_CONNECTED(wifi_state.status)) {
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
//Enable DHCP client
retval = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&val);
if(retval<0) {
RETURN_ERROR(retval, "WIFI conf fail");
}
//Disable scan policy
config = SL_SCAN_POLICY(0);
retval = sl_WlanPolicySet(SL_POLICY_SCAN, config, NULL, 0);
if(retval<0) {
RETURN_ERROR(retval, "WIFI policy fail");
}
//Set Tx power level for station mode
//Number between 0-15, as dB offset from max power - 0 will set max power
val = 0;
retval = sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID,
WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *)&val);
if(retval<0) {
RETURN_ERROR(retval, "WIFI set fail");
}
// Set PM policy to normal
retval = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
if(retval<0) {
RETURN_ERROR(retval, "WIFI policy fail");
}
// Unregister mDNS services
retval = sl_NetAppMDNSUnRegisterService(0, 0);
if(retval<0) {
RETURN_ERROR(retval, "mDNS fail");
}
//Set mDNS device hostname
char hostname[64];
char macstring[20];
unsigned char maclen = SL_MAC_ADDR_LEN;
retval = sl_NetCfgGet(SL_MAC_ADDRESS_GET,
NULL,
&maclen,
wifi_state.mac);
if(retval < 0) {
RETURN_ERROR(retval, "WIFI conf fail");
}
snprintf(macstring, 20, "%02X%02X%02X%02X%02X%02X", wifi_state.mac[0],
wifi_state.mac[1], wifi_state.mac[2],
wifi_state.mac[3], wifi_state.mac[4],
wifi_state.mac[5]);
snprintf(hostname, 64, "LeashDebugger%s", macstring);
retval = sl_NetAppSet (SL_NET_APP_DEVICE_CONFIG_ID,
NETAPP_SET_GET_DEV_CONF_OPT_DEVICE_URN,
strlen((const char *)hostname),
(unsigned char *) hostname);
// Remove all 64 filters (8*8)
memset(filter_mask.FilterIdMask, 0xFF, 8);
retval = sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (uint8_t*)&filter_mask,
sizeof(_WlanRxFilterOperationCommandBuff_t));
if(retval<0) {
RETURN_ERROR(retval, "WIFI filter fail");
}
retval = sl_Stop(SL_STOP_TIMEOUT);
if(retval < 0) {
RETURN_ERROR(ERROR_UNKNOWN, "SL stop fail");
}
wifi_state.status = 0;
return RET_SUCCESS;
}
/*!
\brief This function puts the device in its default state. It:
- Set 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
- Unregister mDNS services
\param[in] none
\return On success, zero is returned. On error, negative is returned
*/
static int32_t configureSimpleLinkToDefaultState(char *pConfig){
SlVersionFull ver = {0};
UINT8 val = 1;
UINT8 configOpt = 0;
UINT8 configLen = 0;
UINT8 power = 0;
INT32 retVal = -1;
INT32 mode = -1;
mode = sl_Start(0, pConfig, 0);
/* If the device is not in station-mode, try putting 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_AQUIRED(g_Status));
}
/* Switch to STA role and restart */
retVal = sl_WlanSetMode(ROLE_STA);
retVal = sl_Stop(0xFF);
retVal = sl_Start(0, pConfig, 0);
/* 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 */
return 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));
/* 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);
/* Remove all profiles */
retVal = sl_WlanProfileDel(0xFF);
/*
* 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));
}
/* Enable DHCP client*/
retVal = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&val);
/* Disable scan */
configOpt = SL_SCAN_POLICY(0);
retVal = sl_WlanPolicySet(SL_POLICY_SCAN , configOpt, NULL, 0);
/* 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, (unsigned char *)&power);
/* Set PM policy to normal */
retVal = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
/* TBD - Unregister mDNS services */
retVal = sl_NetAppMDNSUnRegisterService(0, 0);
retVal = sl_Stop(0xFF);
g_Status = 0;
memset(&Recvbuff,0,MAX_RECV_BUFF_SIZE);
memset(&SendBuff,0,MAX_SEND_BUFF_SIZE);
memset(&HostName,0,MAX_HOSTNAME_SIZE);
DestinationIP = 0;;
SockID = 0;
return retVal; /* Success */
}
void initNetwork(signed char *ssid, SlSecParams_t *keyParams) {
memset(g_ConnectionSSID, 0, sizeof(g_ConnectionSSID));
memset(g_ConnectionBSSID, 0, sizeof(g_ConnectionBSSID));
short status = sl_Start(0, 0, 0);
if (status >= 0) {
printVersionInfo();
// disable scan
unsigned char configOpt = SL_SCAN_POLICY(0);
sl_WlanPolicySet(SL_POLICY_SCAN, configOpt, NULL, 0);
// set tx power to maximum
unsigned char txPower = 0;
sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *)&txPower);
// set power policy to normal
sl_WlanPolicySet(SL_POLICY_PM, SL_NORMAL_POLICY, NULL, 0);
// remove all rx filters
_WlanRxFilterOperationCommandBuff_t rxFilterIdMask;
memset(rxFilterIdMask.FilterIdMask, 0xFF, 8);
sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (unsigned char *)&rxFilterIdMask, sizeof(_WlanRxFilterOperationCommandBuff_t));
status = sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(1, 0, 0, 0, 0), NULL, 0);
}
if (status < 0) {
sl_Stop(SL_STOP_TIMEOUT);
ERR_PRINT(status);
LOOP_FOREVER();
}
if (status < 0) {
sl_Stop(SL_STOP_TIMEOUT);
ERR_PRINT(status);
LOOP_FOREVER();
}
sl_WlanDisconnect();
status = sl_WlanSetMode(ROLE_STA);
if (status < 0) {
sl_Stop(SL_STOP_TIMEOUT);
ERR_PRINT(status);
LOOP_FOREVER();
}
UART_PRINT("\r\n");
UART_PRINT("[QuickStart] Network init\r\n");
status = sl_WlanConnect(ssid, strlen((char *)ssid), NULL, keyParams, NULL);
if (status < 0) {
sl_Stop(SL_STOP_TIMEOUT);
ERR_PRINT(status);
LOOP_FOREVER();
}
while (!IS_IP_ACQUIRED(g_Status)) {
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#else
osi_Sleep(100);
#endif
}
sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
}
