void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
resetCC3000StateMachine(); // Start CC3000 State Machine
initDriver(); // Initialize Board and CC3000
unsolicicted_events_timer_init(); // Initialize CC3000 Unsolicited Events Timer
__enable_interrupt(); // Enable interrupts for UART
DefaultWifiConnection(); // Do a default connection
while (1)
{
hci_unsolicited_event_handler(); // Handle any un-solicited event if required - the function shall be triggered few times in a second
unsolicicted_events_timer_init();
if(currentCC3000State() & CC3000_IP_ALLOC)
{
turnLedOn(CC3000_IP_ALLOC_IND);
unsolicicted_events_timer_disable();
// Attempt to start data server
initServer();
if(currentCC3000State() & CC3000_SERVER_INIT)
{
waitForConnection();
}
else//Wait for a bit, and try again.
{
__delay_cycles(100000);
}
unsolicicted_events_timer_init();
}
}
}
//*****************************************************************************************************************************
//*****************************************************************************************************************************
//*****************************************************************************************************************************
void waitForConnection(void)
{
setup_data_packet_header();
//RESET ADC and DMA:
refresh_ADC();
ADC_STATE = HALTED;
//RESET DMA STATE.
refresh_DMA();
DMA_STATE = HALTED;
if(currentCC3000State() & CC3000_SERVER_INIT) // Check whether the server functionality is successfully initialized
{
while(1) // Begin waiting for client and handle the connection
{
hci_unsolicited_event_handler();
addrlen = sizeof(clientaddr);
// accept blocks until we receive a connection
while ( (clientDescriptor == -1) || (clientDescriptor == -2) )
{
clientDescriptor = accept(serverSocket, (sockaddr *) &clientaddr, &addrlen);
}
hci_unsolicited_event_handler();
if(clientDescriptor >= 0) // Connection Accepted, Wait for data exchange
{
setCC3000MachineState(CC3000_CLIENT_CONNECTED);
unsolicicted_events_timer_disable();
//**********************
// Important Function. Manages incoming Message aswell as initiating outgoing message.
incomingPacketManager();
//**********************
}
else if(clientDescriptor == SOCKET_INACTIVE_ERR)
{
clientDescriptor = -1;
// Reinitialize the server
shutdownServer();
initServer();
}
if(bytesRecvd < 0){check_socket_connection();} //If the recieve function goes inactive, shuts down. This checks for that case
hci_unsolicited_event_handler();
}
}
}
//*****************************************************************************
//
//! checkWiFiConnected
//!
//! \param None
//!
//! \return TRUE if connected, FALSE if not
//!
//! \brief Checks to see that WiFi is still connected. If not associated
//! with an AP for 5 consecutive retries, it will reset the board.
//
//*****************************************************************************
unsigned char
checkWiFiConnected(void)
{
unsigned char ipInfoFlagSet = 0;
if(!(currentCC3000State() & CC3000_ASSOC)) //try to associate with an Access Point
{
//
// Check whether Smart Config was run previously. If it was, we
// use it to connect to an access point. Otherwise, we connect to the
// default.
//
if((isFTCSet() == 0)&&(ConnectUsingSmartConfig==0)&&(*SmartConfigProfilestored != SMART_CONFIG_SET))
{
// Smart Config not set, check whether we have an SSID
// from the assoc terminal command. If not, use fixed SSID.
//sendString("== ConnectUsingSSID==\r\n");
ConnectUsingSSID(SSID);
}
unsolicicted_events_timer_init();
// Wait until connection is finished
//sendString("== Wait until connection is finished==\r\n");
while (!(currentCC3000State() & CC3000_ASSOC))
{
WDTCTL = WDT_ARST_1000;
__delay_cycles(100);
// Handle any un-solicited event if required - the function will get triggered
// few times in a second
hci_unsolicited_event_handler();
// Check if user pressed button to do Smart Config
if(runSmartConfig == 1)
break;
}
}
// Handle un-solicited events - will be triggered few times per second
hci_unsolicited_event_handler();
WDTCTL = WDTPW + WDTHOLD;
// Check if we are in a connected state. If so, set flags and LED
if(currentCC3000State() & CC3000_IP_ALLOC)
{
unsolicicted_events_timer_disable(); // Turn our timer off since isr-driven routines set LEDs too...
if (obtainIpInfoFlag == FALSE)
{
//sendString("== CC3000_IP_ALLOC_IND==\r\n");
obtainIpInfoFlag = TRUE; // Set flag so we don't constantly turn the LED on
turnLedOn(CC3000_IP_ALLOC_IND);
ipInfoFlagSet = 1;
unsolicicted_events_timer_init();
}
if (obtainIpInfoFlag == TRUE)
{
WDTCTL = WDT_ARST_1000;
//If Smart Config was performed, we need to send complete notification to the configure (Smart Phone App)
if (ConnectUsingSmartConfig==1)
{
mdnsAdvertiser(1,DevServname, sizeof(DevServname));
ConnectUsingSmartConfig = 0;
*SmartConfigProfilestored = SMART_CONFIG_SET;
}
//Start mDNS timer in order to send mDNS Advertisement every 30 seconds
mDNS_packet_trigger_timer_enable();
unsolicicted_events_timer_init();
}
WDTCTL = WDTPW + WDTHOLD;
if( ipInfoFlagSet == 1)
{
// Initialize an Exosite connection
//sendString("== Exosite Activate ==\r\n");
cloud_status = Exosite_Activate();
ipInfoFlagSet = 0;
}
return TRUE;
}
return FALSE;
}