C++ LOOP_FOREVER函数代码示例

int main() {
	long lRetVal = -1;
	val=0;
	BoardInit();
	PinMuxConfig();
	LedInit();
	
	//create OS tasks
	lRetVal = osi_TaskCreate(PushButtonHandler, 
		(signed char*) "PushButtonHandler",
		OSI_STACK_SIZE, NULL, 2, &g_PushButtonTask);

	if(lRetVal < 0)
    {
    ERR_PRINT(lRetVal);
    LOOP_FOREVER();
    }

    lRetVal = osi_TaskCreate(MainLoop, (signed char*)"MainLoop", 
                	OSI_STACK_SIZE, NULL, 1, NULL );
    
    if(lRetVal < 0)
    {
    ERR_PRINT(lRetVal);
    LOOP_FOREVER();
    }

    osi_start();

    for(;;) {

    }

	return 0;
}

static void Init()
{
    long lRetVal = -1;
    BoardInit();
    UDMAInit();
    PinMuxConfig();
    InitTerm();

    InitializeAppVariables();

    //
    // Following function configure the device to default state by cleaning
    // the persistent settings stored in NVMEM (viz. connection profiles &
    // policies, power policy etc)
    //
    // Applications may choose to skip this step if the developer is sure
    // that the device is in its default state at start of applicaton
    //
    // Note that all profiles and persistent settings that were done on the
    // device will be lost
    //
    lRetVal = ConfigureSimpleLinkToDefaultState();

    if (lRetVal < 0) {
        if (DEVICE_NOT_IN_STATION_MODE == lRetVal)
            UART_PRINT(
                    "Failed to configure the device in its default state \n\r");

        LOOP_FOREVER()
        ;
    }

    //
    // Asumption is that the device is configured in station mode already
    // and it is in its default state
    //
    lRetVal = sl_Start(0, 0, 0);
    if (lRetVal < 0) {
        UART_PRINT("Failed to start the device \n\r");
        LOOP_FOREVER()
        ;
    }

    UART_PRINT("Connecting to AP: '%s'...\r\n", SSID_NAME);

    // Connecting to WLAN AP - Set with static parameters defined at common.h
    // After this call we will be connected and have IP address
    lRetVal = WlanConnect();
    if (lRetVal < 0) {
        UART_PRINT("Connection to AP failed \n\r");
        LOOP_FOREVER()
        ;
    }

    UART_PRINT("Connected to AP: '%s' \n\r", SSID_NAME);

#ifdef NEW_ID
    iobeam_Reset();
#endif
}

int main(void) {
    // init the hardware
    initBoard();

    UART_PRINT("[Blink] Start application\r\n");

    // create the main application message queue
    // this call properly enables the OSI scheduler to function
    short status = osi_MsgQCreate(&g_ApplicationMessageQueue, "ApplicationMessageQueue", sizeof(ApplicationMessage), 1);
    if (status < 0) {
        UART_PRINT("[Blink] Create application message queue error\r\n");
        ERR_PRINT(status);
        LOOP_FOREVER();
    }

    // start the main application task
    // this is necessary because SimpleLink host driver is started by sl_Start(),
    // which cannot be called on before the OSI scheduler is started
    status = osi_TaskCreate(startApplication, (signed char *)"Blink", OSI_STACK_SIZE,  NULL, OOB_TASK_PRIORITY, NULL);
    if (status < 0) {
        UART_PRINT("[Blink] Start application error\r\n");
        ERR_PRINT(status);
        LOOP_FOREVER();
    }

    // start the OSI scheduler
    osi_start();

    return 0;
}

tDSPInstance* DSPCeateInstance(uint32_t signalSize, uint32_t Fs) {
  tDSPInstance* tempInstance;
  tempInstance = (tDSPInstance*)malloc(sizeof(tDSPInstance));
  if (tempInstance == NULL){
    UART_PRINT("DSPCreate malloc error!");
    LOOP_FOREVER(); //malloc error. heap too small?
    return NULL;
  }
  tempInstance->signalSize = signalSize;
  tempInstance->Fs = Fs;
  tempInstance->ucpSignal = (unsigned char*)malloc(sizeof(unsigned char)*signalSize);
  tempInstance->fpSignal = (float32_t*)malloc(sizeof(float32_t)*signalSize/2);
  tempInstance->fftSize = signalSize / 4;
  tempInstance->FFTResults = (float32_t*)malloc(sizeof(float32_t)*tempInstance->fftSize);
  if (tempInstance->ucpSignal==NULL || \
      tempInstance->fpSignal==NULL || \
      tempInstance->FFTResults==NULL) {
    UART_PRINT("DSPCreate malloc error!");
    LOOP_FOREVER(); //malloc error. heap too small?
    return NULL;
  }
  tempInstance->maxEnergyBinIndex = 0;
  tempInstance->maxEnergyBinValue = 0;

  return tempInstance;
}

int main()
{
	/*
	 * Preparation
	 */
    // Board Initialization
    BoardInit();
    // Configuring UART
    InitTerm();

    // Connect to AP
    // Put your SSID and password in common.h
    long lRetVal = ConnectToAP();
    if(lRetVal < 0)
    {
    	UART_PRINT("Connection to AP failed\n\r");
        LOOP_FOREVER();
    }
    UART_PRINT("Connected to AP\n\r");
    if(lRetVal < 0)
    {
        LOOP_FOREVER();
    }

    // Declare thing
    Thing_Struct thing;

    // Connect to thethingsiO server
    lRetVal = ConnectTo_thethingsiO(&thing.thing_client);
       if(lRetVal < 0)
       {
           LOOP_FOREVER();
       }
    UART_PRINT("Thing client connected\n\r");

    // In order to initialize the thing correctly you have to use one of
    // following two methods:
    // 1. If you have already activated your thing you should set the token
    thing.token = "YOUR TOKEN HERE";
    // 2. Or if not copy the provided activation code here
    // and uncomment the following line
    // char *act_code = "YOUR ACTIVATION CODE HERE";
    // and activate the thing (uncomment the following line)
    // char *token = thing_activate(&thing, act_code);

    /* Intializes random number generator */
  //  time_t t;
  //  srand((unsigned) time(&t));
    while(1)
    {
    	char *sub = thing_subscribe(&thing);
    	if (strlen(sub) > 0)
    	{
    		UART_PRINT(sub);
    		UART_PRINT("\n\r");
    	}
    	// Free memory
    	free(sub);
    }
}

//****************************************************************************
//
//! Main function
//!
//! \param none
//!
//! This function
//!    1. Invokes the SLHost task
//!    2. Invokes the GetNTPTimeTask
//!
//! \return None.
//
//****************************************************************************
void main()
{
    long lRetVal = -1;

    //
    // Initialize Board configurations
    //
    BoardInit();

    //
    // Enable and configure DMA
    //
    UDMAInit();

    //
    // Pinmux for UART
    //
    PinMuxConfig();

    //
    // Configuring UART
    //
    InitTerm();

    //
    // Display Application Banner
    //
    DisplayBanner(APP_NAME);

    //
    // Start the SimpleLink Host
    //
    lRetVal = VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //
    // Start the GetNTPTime task
    //
    lRetVal = osi_TaskCreate(GetNTPTimeTask,
                    (const signed char *)"Get NTP Time",
                    OSI_STACK_SIZE,
                    NULL,
                    1,
                    NULL );

    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //
    // Start the task scheduler
    //
    osi_start();
}

//****************************************************************************
//
//! \brief Start simplelink, connect to the ap and run the ping test
//!
//! This function starts the simplelink, connect to the ap and start the ping
//! test on the default gateway for the ap
//!
//! \param[in]  pvParameters - Pointer to the list of parameters that 
//!             can bepassed to the task while creating it
//!
//! \return  None
//
//****************************************************************************
void WlanStationMode( void *pvParameters )
{

    long lRetVal = -1;
    InitializeAppVariables();

    //
    // Following function configure the device to default state by cleaning
    // the persistent settings stored in NVMEM (viz. connection profiles &
    // policies, power policy etc)
    //
    // Applications may choose to skip this step if the developer is sure
    // that the device is in its default state at start of applicaton
    //
    // Note that all profiles and persistent settings that were done on the
    // device will be lost
    //
    lRetVal = ConfigureSimpleLinkToDefaultState();
    if(lRetVal < 0)
    {
        if (DEVICE_NOT_IN_STATION_MODE == lRetVal)
        {
            UART_PRINT("Failed to configure the device in its default state\n\r");
        }

        LOOP_FOREVER();
    }

    UART_PRINT("Device is configured in default state \n\r");

    //
    // Assumption is that the device is configured in station mode already
    // and it is in its default state
    //
    lRetVal = sl_Start(0, 0, 0);
    if (lRetVal < 0 || ROLE_STA != lRetVal)
    {
        UART_PRINT("Failed to start the device \n\r");
        LOOP_FOREVER();
    }

    UART_PRINT("Device started as STATION \n\r");

    //
    //Connecting to WLAN AP
    //
    lRetVal = WlanConnect();
    if(lRetVal < 0)
    {
        UART_PRINT("Failed to establish connection w/ an AP \n\r");
        LOOP_FOREVER();
    }

    UART_PRINT("Connection established w/ AP and IP is aquired \n\r");


	gizwits_main();
    
}

//****************************************************************************
//
//!  \brief                     Handles HTTP Server Task
//!                                              
//! \param[in]                  pvParameters is the data passed to the Task
//!
//! \return                        None
//
//****************************************************************************
static void HTTPServerTask(void *pvParameters)
{
    long lRetVal = -1;
    InitializeAppVariables();

    //
    // Following function configure the device to default state by cleaning
    // the persistent settings stored in NVMEM (viz. connection profiles &
    // policies, power policy etc)
    //
    // Applications may choose to skip this step if the developer is sure
    // that the device is in its default state at start of applicaton
    //
    // Note that all profiles and persistent settings that were done on the
    // device will be lost
    //
    lRetVal = ConfigureSimpleLinkToDefaultState();
    if(lRetVal < 0)
    {
        if (DEVICE_NOT_IN_STATION_MODE == lRetVal)
            UART_PRINT("Failed to configure the device in its default state\n\r");

        LOOP_FOREVER();
    }

    UART_PRINT("Device is configured in default state \n\r");  
  
    memset(g_ucSSID,'\0',AP_SSID_LEN_MAX);
    
    //Read Device Mode Configuration
    ReadDeviceConfiguration();

    //Connect to Network
    lRetVal = ConnectToNetwork();

    //Stop Internal HTTP Server
    lRetVal = sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //Start Internal HTTP Server
    lRetVal = sl_NetAppStart(SL_NET_APP_HTTP_SERVER_ID);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //Handle Async Events
    while(1)
    {
         
    }
}

//****************************************************************************
//							MAIN FUNCTION
//****************************************************************************
int main()
{
    long lRetVal = -1;
    //
    // Board Initialization
    //
    BoardInit();

    //
    // Enable and configure DMA
    //
    UDMAInit();
    //
    // Pinmux for UART
    //
    PinMuxConfig();
    //
    // Configuring UART
    //
    InitTerm();
    //
    // Display Application Banner
    //
    DisplayBanner(APP_NAME);
    //
    // Start the SimpleLink Host
    //
    lRetVal = VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }
    //
    // Start the Receiving file
    //

    lRetVal = osi_TaskCreate(cmd_dispatcher,
                    (const signed char *)"TFTP",
                    OSI_STACK_SIZE,
                    NULL,
                    1,
                    NULL );
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //
    // Start the task scheduler
    //
    osi_start();
    return 0;
}

void initBoard() {
#ifndef USE_TIRTOS
#if defined(ccs) || defined(gcc)
    MAP_IntVTableBaseSet((unsigned long) &g_pfnVectors[0]);
#endif
#if defined(ewarm)
    MAP_IntVTableBaseSet((unsigned long)&__vector_table);
#endif
#endif

    MAP_IntMasterEnable();
    MAP_IntEnable(FAULT_SYSTICK);

    PRCMCC3200MCUInit();

    PinMuxConfig();
    GPIO_IF_LedConfigure(LED1);
    GPIO_IF_LedOff(MCU_RED_LED_GPIO);

    InitTerm();
    ClearTerm();

    UART_PRINT("Blink - Parse for IoT sample application\r\n");
    UART_PRINT("----------------------------------------\r\n");
    UART_PRINT("\r\n");
    UART_PRINT("[Blink] Board init\r\n");

    // start the spawn task
    short status = VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);
    if (status < 0) {
        UART_PRINT("[Blink] Spawn task failed\r\n");
        ERR_PRINT(status);
        LOOP_FOREVER();
    }

    // initialize the I2C bus
    status = I2C_IF_Open(I2C_MASTER_MODE_FST);
    if (status < 0) {
        UART_PRINT("[Blink] I2C opening error\r\n");
        ERR_PRINT(status);
        LOOP_FOREVER();
    }

    UART_PRINT("[Blink] Device                    : TI SimpleLink CC3200\r\n");
#ifdef USE_TIRTOS
    UART_PRINT("[Blink] Operating system          : TI-RTOS\r\n");
#endif
#ifdef USE_FREERTOS
    UART_PRINT("[Blink] Operating system          : FreeRTOS\r\n");
#endif
#ifndef SL_PLATFORM_MULTI_THREADED
    UART_PRINT("[Blink] Operating system          : None\r\n");
#endif
}

int main(void)
{
    long lRetVal = -1;

    //
    // initialize board configurations
    //
    BoardInit();

    //
    // Pinmux GPIO for LEDs
    //
    PinMuxConfig();

#ifndef NOTERM
    //
    // Configuring UART
    //
    InitTerm();
#endif

    //
    // Configure LEDs
    //
    GPIO_IF_LedConfigure(LED1|LED2|LED3);

    GPIO_IF_LedOff(MCU_ALL_LED_IND);

    //
    // Simplelinkspawntask
    //
    lRetVal = VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    lRetVal = osi_TaskCreate(XmppClient, (const signed char*)"XmppClient",\
                                OSI_STACK_SIZE, NULL, 1, NULL );
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    osi_start();

    while(1)
    {

    }

}

//****************************************************************************
//
//! Main function
//!
//! \param none
//! 
//! This function  
//!    1. Invokes the SLHost task
//!    2. Invokes the LPDSTCPServerTask
//!
//! \return None.
//
//****************************************************************************
void main()
{
    long lRetVal = -1;

    //
    // Initialize the board
    //
    BoardInit();

    //
    // Configure the pinmux settings for the peripherals exercised
    //
    PinMuxConfig();

#ifndef NOTERM
    //
    // Configuring UART
    //
    InitTerm();
    ClearTerm();
#endif

    //
    // Start the SimpleLink Host
    //
    lRetVal = VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //
    // Start the TCPServer task
    //
    lRetVal = osi_TaskCreate(TCPServerTask,
                    (const signed char *)"DeepSleep TCP",
                    OSI_STACK_SIZE, 
                    NULL, 
                    1, 
                    NULL );
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //
    // Start the task scheduler
    //
    osi_start();
}

//*****************************************************************************
//
//! Main 
//!
//! \param  none
//!
//! This function
//!    1. Invokes the SLHost task
//!    2. Invokes the MqttClient
//!
//! \return None
//!
//*****************************************************************************
void main()
{ 
    long lRetVal = -1;
    //
    // Initialize the board configurations
    //
    BoardInit();

    //
    // Pinmux for UART
    //
    PinMuxConfig();

    //
    // Configuring UART
    //
    InitTerm();

    //
    // Display Application Banner
    //
    DisplayBanner("MQTT_Client");

    //
    // Start the SimpleLink Host
    //
    lRetVal = VStartSimpleLinkSpawnTask(SPAWN_TASK_PRIORITY);
    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }

    //
    // Start the MQTT Client task
    //
    osi_MsgQCreate(&g_PBQueue,"PBQueue",sizeof(event_msg),10);
    lRetVal = osi_TaskCreate(MqttClient,
                            (const signed char *)"Mqtt Client App",
                            OSI_STACK_SIZE, NULL, 2, NULL );

    if(lRetVal < 0)
    {
        ERR_PRINT(lRetVal);
        LOOP_FOREVER();
    }
    //
    // Start the task scheduler
    //
    osi_start();
}

//*****************************************************************************
//
//! \brief     Email Application Main Task - Initializes SimpleLink Driver
//!            and Handles UART Commands
//!
//! \param    pvParameters        -    pointer to the task parameter
//!
//! \return  void
//! \note
//! \warning
//
//*****************************************************************************
static void SimpleEmail(void *pvParameters)
{
    long lRetVal = -1;
    // Initialize Network Processor
    lRetVal = Network_IF_InitDriver(ROLE_STA);
    if(lRetVal < 0)
    {
           UART_PRINT("Failed to start SimpleLink Device\n\r");
        LOOP_FOREVER();
    }

    //Glow GreenLED to indicate successful initialization
    GPIO_IF_LedOn(MCU_ON_IND);
    
    //Set Default Parameters for Email
    lRetVal = SetDefaultParameters();
    if(lRetVal < 0)
    {
        UART_PRINT("Failed to set default params for Email\r\n");
        LOOP_FOREVER();
    }

    //Initialize Push Botton Switch
    Button_IF_Init(SmartConfigInterruptHandler,SendEmailInterruptHandler);

    while(1)
    {
        UART_PRINT("Cmd#");
        //
        // Get command from UART
        //
        memset(ucUARTBuffer,0,200);  
        uiUartCmd=GetCmd(&ucUARTBuffer[0], 200);
        if(uiUartCmd)
        {
            //
            // Parse the command
            //
            lRetVal = UARTCommandHandler(ucUARTBuffer);
            if(lRetVal < 0)
            {
                UART_PRINT("Failed to parse the command.\r\n");
                LOOP_FOREVER();
            }
        }

    }
}

//*****************************************************************************
//
//! This function gets triggered when HTTP Server receives Application
//! defined GET and POST HTTP Tokens.
//!
//! \param pHttpServerEvent Pointer indicating http server event
//! \param pHttpServerResponse Pointer indicating http server response
//!
//! \return None
//!
//*****************************************************************************
void SimpleLinkHttpServerCallback(SlHttpServerEvent_t *pSlHttpServerEvent, 
                               SlHttpServerResponse_t *pSlHttpServerResponse)
{
    if((pSlHttpServerEvent == NULL) || (pSlHttpServerResponse == NULL))
    {
        UART_PRINT("Null pointer\n\r");
        LOOP_FOREVER();
    }

    switch (pSlHttpServerEvent->Event)
    {
       case SL_NETAPP_HTTPPOSTTOKENVALUE_EVENT:
        {
              if (0 == memcmp (pSlHttpServerEvent->
                       EventData.httpPostData.token_name.data, "__SL_P_U.C", 
                    pSlHttpServerEvent->EventData.httpPostData.token_name.len))
              {
            	  if(0 == memcmp (pSlHttpServerEvent->EventData.httpPostData.token_value.data, \
            	                                    "start", \
            	                     pSlHttpServerEvent->EventData.httpPostData.token_value.len))
            	  {
            		  g_CaptureImage = 1;
            	  }
            	  else
            	  {
            		  g_CaptureImage = 0;
            	  }
              }
        }
          break;
        default:
          break;
    }
}