CC3200 Based on 3254 chip Audio stream through wireless transmission

Hi,


From above code it's not clear how you sending data over network as sendto part is inactive or commented? Also why are using sleep() after UpdateReadPtr(). Can you please post clean code snippet.


Regards,
Aashish

SlSockAddrIn_t  sAddr;
int             iSockID;
int             iAddrSize;

void ConnectClientSocket ( void )
{
	sAddr.sin_family = SL_AF_INET;//IPV4
	sAddr.sin_port = sl_Htons((unsigned short)60002);
	sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)(/*g_ulStaIp*/0xc0a80165));
	iAddrSize = sizeof(SlSockAddrIn_t);
	iSockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
}


//****************************************************************************
//
//!    \brief start simplelink, wait for the sta to connect to the device and
//!        run the ping test for that sta
//!
//!    \param  pvparameters is the pointer to the list of parameters that can be
//!         passed to the task while creating it
//!
//!    \return None
//
//****************************************************************************
void WlanAPMode( void *pvParameters )
{
    int iTestResult = 0;
    unsigned char ucDHCP;
    long lRetVal = -1;
    int iSocketDesc;
	static u8 uGetNTPTimer_Count = 0;
	char wData[30]={0,};
	static unsigned char uCreateScoket=0;


    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");

    //
    // Asumption is that the device is configured in station mode already
    // and it is in its default state
    //
    lRetVal = sl_Start(NULL,NULL,NULL);

    if (lRetVal < 0)
    {
        UART_PRINT("Failed to start the device \n\r");
        LOOP_FOREVER();
    }

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

		


    // Initialize AP security params
    SecurityParams.Key = (signed char *)SECURITY_KEY;
    SecurityParams.KeyLen = strlen(SECURITY_KEY);
    SecurityParams.Type = SECURITY_TYPE;

	//
    // Connect to the Access Point
    //
    lRetVal = Network_IF_ConnectAP(SSID_NAME, SecurityParams);
    if(lRetVal < 0)
    {
       UART_PRINT("Connection to an AP failed\n\r");
       LOOP_FOREVER();
    }
 
        //
        //g_EthOKFlag:1 wlan connect successful;0  wlan connect  failure 
       //
	if( g_EthOKFlag )
	{
		ConnectClientSocket();
	}

    while(1)
	{
          osi_Sleep(1000);//
	       //
	       //	If you disconnect, reconnect
	       //
           if( g_EthOKFlag == false )
           {
				    lRetVal = Network_IF_ConnectAP(SSID_NAME, SecurityParams);
				    if(lRetVal < 0)
				    {
				       UART_PRINT("Connection to an AP failed\n\r");
						g_usConnectIndex = 0;
						LedSta.nBit.nLedYellowBlinkOnOffFg = 0;
				    }
					else
					{
					    ConnectClientSocket();
						LedSta.nBit.nLedYellowBlinkOnOffFg = 1;
					}
           }
	}
}





void Microphone( void *pvParameters )
{
    long lRetVal = -1;
	FIL fp;
	FRESULT res;
	UINT Size;

    while(1)
    {     
    	while(1)
        {
            int iBufferFilled = 0;
            iBufferFilled = GetBufferSize(pRecordBuffer);
            if(iBufferFilled >= (2*PACKET_SIZE))
            { 
					if(g_EthOKFlag)
					{
							//
							// send audio message by wifi
							//
		                    lRetVal = sl_SendTo(iSockID, (char*)(pRecordBuffer->pucReadPtr), PACKET_SIZE, 0,
											(SlSockAddr_t *)&sAddr, iAddrSize);

							if( lRetVal <= 0 )
							{
								uErrCount ++;
							}
							uPCMCount++;
                }

				  else
                {              
                    lRetVal = FillBuffer(pPlayBuffer,\
                                          (unsigned char*)(pRecordBuffer->pucReadPtr), \
                                          PACKET_SIZE);
                    if(lRetVal < 0)
                    {
                        UART_PRINT("Unable to fill buffer\n\r");
                    }							
                }
                UpdateReadPtr(pRecordBuffer, PACKET_SIZE);
                g_iSentCount++;
                osi_Sleep(2);
            }

        }      
        osi_Sleep(1000);

    }

}

hi

1、       osi_Sleep(2);

    I want to call other TASK, so I need to call “osi_Sleep”。

2、

         1、

”void WlanAPMode( void *pvParameters )“  Configuration station mode
        2、

“void ConnectClientSocket ( void )”Configure the IP address and port number of the client  side.We will need to be sent to the device in the future.
      3、

”void Microphone( void *pvParameters )“Transmit the received audio stream to the corresponding device

Hi,


2msec sleep in Microphone() task will cause to delay in transmitting packets that may result in noise. Comment the osi_Sleep(2); in Microphone() and try whether you are getting noise or not.


Regards,
Aashish

Hi,


We are closing this thread, for follow up queries please open a new thread and add a link to this one for reference.


Regards,
Aashish