ESResult ConnectToWiFiNetwork(const char *ssid, const char *pass, NetworkEventCallback cb)
{
char *fwVersion;
int status = WL_IDLE_STATUS;
int res;
// check for the presence of the shield:
if (WiFi.status() == WL_NO_SHIELD)
{
OC_LOG(ERROR, ES_NH_TAG, "WiFi shield not present");
return ES_ERROR;
}
// Verify that WiFi Shield is running the firmware with all UDP fixes
fwVersion = WiFi.firmwareVersion();
OC_LOG_V(INFO, ES_NH_TAG, "WiFi Shield Firmware version %s", fwVersion);
if (strncmp(fwVersion, ARDUINO_WIFI_SHIELD_UDP_FW_VER, sizeof(ARDUINO_WIFI_SHIELD_UDP_FW_VER))
!= 0)
{
OC_LOG(DEBUG, ES_NH_TAG, "!!!!! Upgrade WiFi Shield Firmware version !!!!!!");
//return ES_ERROR;
}
OC_LOG_V(INFO, ES_NH_TAG, "Finding SSID: %s", ssid);
while (findNetwork(ssid) == 0) // found
{
delay(1000);
}
if (cb != NULL)
{
cb(ES_NETWORKFOUND);
}
if (WiFi.status() == WL_CONNECTED)
WiFi.disconnect();
res = ConnectToNetwork(ssid, pass);
if (res == 0)
{
return ES_NETWORKCONNECTED;
}
else
{
return ES_NETWORKNOTCONNECTED;
}
}
ESResult ConnectToWiFiNetwork(const char *ssid, const char *pass, NetworkEventCallback cb)
{
char *fwVersion;
int status = WL_IDLE_STATUS;
int res;
// check for the presence of the shield:
if (WiFi.status() == WL_NO_SHIELD)
{
OIC_LOG(ERROR, ES_NH_TAG, "WiFi shield not present");
return ES_ERROR;
}
// Verify that WiFi Shield is running the firmware with all UDP fixes
fwVersion = WiFi.firmwareVersion();
OIC_LOG_V(INFO, ES_NH_TAG, "WiFi Shield Firmware version %s", fwVersion);
if (strncmp(fwVersion, ARDUINO_WIFI_SHIELD_UDP_FW_VER, sizeof(ARDUINO_WIFI_SHIELD_UDP_FW_VER))
!= 0)
{
OIC_LOG(DEBUG, ES_NH_TAG, "!!!!! Upgrade WiFi Shield Firmware version !!!!!!");
return ES_ERROR;
}
//Retry counter is reset everytime the ConnectToWiFiNetwork is invoked
g_retryCounter = 0;
OIC_LOG_V(INFO, ES_NH_TAG, "Finding SSID: %s", ssid);
while ((findNetwork(ssid) == 0) && g_retryCounter < ES_MAX_NETWORK_RETRY) // found
{
delay(1000);
g_retryCounter++;
}
if(g_retryCounter == ES_MAX_NETWORK_RETRY){
OIC_LOG_V(ERROR, ES_NH_TAG, "Connection to network failed after %d attempts",
g_retryCounter);
return ES_ERROR;
}
if (cb != NULL)
{
cb(ES_OK);
}
if (WiFi.status() == WL_CONNECTED)
WiFi.disconnect();
//Retry counter is reset everytime the ConnectToWiFiNetwork is invoked
g_retryCounter = 0;
res = ConnectToNetwork(ssid, pass);
if (res == 0)
{
return ES_NETWORKCONNECTED;
}
else
{
return ES_NETWORKNOTCONNECTED;
}
}
