static int32_t Lab16(void){uint32_t i;
char *pt = NULL;
memcpy(appData.HostName,SERVER,strlen(SERVER));
if(GetHostIP() == 0){
if( (appData.SockID = CreateConnection()) < 0 ) return -1;
/* HTTP GET string. */
strcpy(appData.SendBuff,REQUEST);
// 1) change Austin Texas to your city
// 2) you can change metric to imperial if you want temperature in F
/* Send the HTTP GET string to the open TCP/IP socket. */
sl_Send(appData.SockID, appData.SendBuff, strlen(appData.SendBuff), 0);
/* Receive response */
sl_Recv(appData.SockID, &appData.Recvbuff[0], MAX_RECV_BUFF_SIZE, 0);
appData.Recvbuff[strlen(appData.Recvbuff)] = '\0';
/* find ticker name in response*/
pt = strstr(appData.Recvbuff, "id");
i = 0;
if( NULL != pt ){
pt = pt + 5; // skip over id":"
while((i<MAXLEN)&&(*pt)&&(*pt!='\"')){
Id[i] = *pt; // copy into Id string
pt++; i++;
}
}
Id[i] = 0;
/* find score Value in response */
pt = strstr(appData.Recvbuff, "\"score\"");
i = 0;
if( NULL != pt ){
pt = pt + 8; // skip over "score":
while((i<MAXLEN)&&(*pt)&&(*pt!=',')){
Score[i] = *pt; // copy into Score string
pt++; i++;
}
}
Score[i] = 0;
/* find edxpost in response */
pt = strstr(appData.Recvbuff, "edxpost");
i = 0;
if( NULL != pt ){
pt = pt + 9; // skip over edxpost":
for(i=0; i<8; i++){
Edxpost[i] = *pt; // copy into Edxpost string
pt++;
}
}
Edxpost[i] = 0;
sl_Close(appData.SockID);
}
return 0;
}
void WeatherForecastGet(int iSockID, cInt8 * acSendBuff,cInt8 * acRecvbuff)
{
int iTXStatus;
int iRXDataStatus;
char* pcBufLocation;
const char prefixBuffer[] = "GET /data/2.5/forecast?";
const char postBuffer[] = "&mode=xml&units=metric HTTP/1.1\r\nHost: api.openweathermap.org\r\nAccept: */";
const char postBuffer2[] = "*\r\n\r\n";
memset(acRecvbuff, 0, RX_BUFF_SIZE);
// Puts together the HTTP GET string.
//
pcBufLocation = acSendBuff;
strcpy(pcBufLocation, prefixBuffer);
pcBufLocation += strlen(prefixBuffer);
#ifdef LOCATION_GPS
int l_size;
l_size = sprintf(pcBufLocation,"lat=%.6f&lon=%.6f",LOCATION_GPS_LAT,LOCATION_GPS_LON);
pcBufLocation += l_size;
#else
strcpy(pcBufLocation,"q=");
pcBufLocation += strlen("q=");
strcpy(pcBufLocation,LOCATION_CITY_NAME);
pcBufLocation += strlen(LOCATION_CITY_NAME);
#endif
strcpy(pcBufLocation, postBuffer);
pcBufLocation += strlen(postBuffer);
strcpy(pcBufLocation, postBuffer2);
//
// Send the HTTP GET string to the open TCP/IP socket.
//
DBG_PRINT("Sent HTTP GET request. \n\r");
iTXStatus = sl_Send(iSockID, acSendBuff, strlen(acSendBuff), 0);
MAP_UtilsDelay(DELAY_CLK_1_SEK *3);
DBG_PRINT("Return value: %d \n\r", iTXStatus);
//
// Store the reply from the server in buffer.
//
DBG_PRINT("Received HTTP GET response data. \n\r");
iRXDataStatus = sl_Recv(iSockID, &acRecvbuff[0], RX_BUFF_SIZE, 0);
DBG_PRINT("Return value: %d \n\r", iRXDataStatus);
acRecvbuff[RX_BUFF_SIZE - 1] = 0;
DBG_PRINT(acRecvbuff);
}
/*!
\brief This function opens a raw socket, receives the frames and display them.
\param[in] channel : channel for the raw socket
\param[in] numpackets : number of packets to be received
\return 0 for success, -ve otherwise
\note
\warning
*/
static _i32 Sniffer(_i32 channel,_i32 numpackets)
{
TransceiverRxOverHead_t *frameRadioHeader = 0;
_u8 MAC[MAX_RECV_BUF_SIZE] = {'\0'};
_u8 hexempty = 0xcc;
_i32 retVal = -1;
_i16 sd = -1;
/********************* Open Socket for transceiver *********************/
sd = sl_Socket(SL_AF_RF,SL_SOCK_RAW,(_i16)channel);
ASSERT_ON_ERROR(sd);
/************************************ Creating filters *****************/
retVal = ChooseFilters();
ASSERT_ON_ERROR(retVal);
/************ Receiving frames from the CC3100 and printing to screen*****/
if (!g_Exit)
{
printf("\nCollecting Packets...\n");
while(numpackets > 0)
{
retVal = sl_Recv(sd,buffer,MAX_RECV_BUF_SIZE,0);
ASSERT_ON_ERROR(retVal);
frameRadioHeader = (TransceiverRxOverHead_t *)buffer;
printf("\nTimestamp: %i microsec\n",frameRadioHeader->timestamp);
printf("Signal Strength: %i dB\n",frameRadioHeader->rssi);
memcpy(MAC, buffer, sizeof(buffer));
PrintFrameSubtype(MAC[8]);
printf("Destination MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
MAC[12],MAC[13], MAC[14],MAC[15], MAC[16],MAC[17]);
printf("Source MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
MAC[18],MAC[19], MAC[20],MAC[21], MAC[22],MAC[23]);
numpackets--;
Sleep(500);
}
}
retVal = sl_Close(sd);
ASSERT_ON_ERROR(retVal);
return SUCCESS;
}
static telnet_result_t telnet_recv_text_non_blocking (void *buff, _i16 Maxlen, _i16 *rxLen) {
*rxLen = sl_Recv(telnet_data.n_sd, buff, Maxlen, 0);
// if there's data received, parse it
if (*rxLen > 0) {
telnet_data.timeout = 0;
telnet_parse_input (buff, rxLen);
if (*rxLen > 0) {
return E_TELNET_RESULT_OK;
}
}
else if (*rxLen != SL_EAGAIN) {
// error
telnet_reset();
return E_TELNET_RESULT_FAILED;
}
return E_TELNET_RESULT_AGAIN;
}
char* HTTP_Request(const char *hostName, uint16_t port, const char *method, const char *request, char *requestData1, char *requestData2) {
SlSockAddrIn_t Addr; int32_t retVal; uint32_t ASize = 0;
cleanup();
strcpy(HostName, hostName);
UARTprintf("\r\n\r\nUsing host: %s\r\n", HostName);
retVal = sl_NetAppDnsGetHostByName(HostName, strlen(HostName),&DestinationIP, SL_AF_INET);
if(retVal == 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(port);
Addr.sin_addr.s_addr = sl_Htonl(DestinationIP);// IP to big endian
ASize = sizeof(SlSockAddrIn_t);
SockID = -1;
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID >= 0 ){
retVal = sl_Connect(SockID, ( SlSockAddr_t *)&Addr, ASize);
}
if((SockID >= 0)&&(retVal >= 0)){
uint32_t copyIndex = 0;
strcpy(&SendBuff[copyIndex], method); copyIndex += strlen(method);
strcpy(&SendBuff[copyIndex], " "); copyIndex += 1;
strcpy(&SendBuff[copyIndex], request); copyIndex += strlen(request);
if(requestData1) {
strcpy(&SendBuff[copyIndex], requestData1);
copyIndex += strlen(requestData1);
}
if(requestData2) {
strcpy(&SendBuff[copyIndex], requestData2);
copyIndex += strlen(requestData2);
}
strcpy(&SendBuff[copyIndex], REQ_1); copyIndex += strlen(REQ_1);
strcpy(&SendBuff[copyIndex], hostName); copyIndex += strlen(hostName);
strcpy(&SendBuff[copyIndex], REQ_2); copyIndex += strlen(REQ_2);
SendBuff[copyIndex] = '\0';
UARTprintf("Sending request: %s\r\n\r\n", SendBuff);
sl_Send(SockID, SendBuff, strlen(SendBuff), 0);// Send the HTTP GET
sl_Recv(SockID, Recvbuff, MAX_RECV_BUFF_SIZE, 0);// Receive response
sl_Close(SockID);
return Recvbuff;
}
}
return NULL;
}
int cc3200_read(Network* n, unsigned char* buffer, int len, int timeout_ms) {
SlTimeval_t timeVal;
SlFdSet_t fdset;
int rc = 0;
int recvLen = 0;
SL_FD_ZERO(&fdset);
SL_FD_SET(n->my_socket, &fdset);
timeVal.tv_sec = 0;
timeVal.tv_usec = timeout_ms * 1000;
if (sl_Select(n->my_socket + 1, &fdset, NULL, NULL, &timeVal) == 1) {
do {
rc = sl_Recv(n->my_socket, buffer + recvLen, len - recvLen, 0);
recvLen += rc;
} while(recvLen < len);
}
return recvLen;
}
/*
* ::recv()
*/
int recv(int socket, void *buffer, size_t length, int flags)
{
int result = sl_Recv(socket, buffer, length, flags);
if (result < 0)
{
switch (result)
{
default:
errno = EINVAL;
break;
case SL_POOL_IS_EMPTY:
usleep(10000);
/* fall through */
case SL_EAGAIN:
errno = EAGAIN;
break;
}
return -1;
}
return result;
}
static int UpdateSockets(void)
{
int retval;
for(int i=0; i<NUM_SOCKETS; i++){
if(!GetSockConnected(i)){
if(SockAccept(i) == RET_FAILURE) {RETURN_ERROR(ERROR_UNKNOWN, "Socket accept fail");}
}
else{
xSemaphoreTake(socket_state[i].buf_access, portMAX_DELAY);
//Update TX
if(socket_state[i].tx_buf_occupancy){
retval = sl_Send(socket_state[i].child_id,
&(socket_state[i].tx_buf[socket_state[i].tx_buf_i_out % SOCKET_RXBUF_SIZE]),
MIN(socket_state[i].tx_buf_occupancy,
SOCKET_TXBUF_SIZE - (socket_state[i].tx_buf_i_out % SOCKET_RXBUF_SIZE)), //Prevent overflow at wraparound point
0);
if(retval<0) {
LogSLError(retval);
xSemaphoreGive(socket_state[i].buf_access); RETURN_ERROR(retval, "Socket send fail");
}
else{
socket_state[i].tx_buf_occupancy -= retval;
socket_state[i].tx_buf_i_out += retval;
}
}
if((xSemaphoreTake(socket_state[i].tx_buf_full, 0) == pdFALSE) //poll semaphore
&& (socket_state[i].tx_buf_occupancy<SOCKET_TXBUF_SIZE)){
xSemaphoreGive(socket_state[i].tx_buf_full); //unblock threads waiting for space
}
//Update RX
retval = sl_Recv(socket_state[i].child_id,
&(socket_state[i].rx_buf[socket_state[i].rx_buf_i_in % SOCKET_RXBUF_SIZE]),
MIN((SOCKET_RXBUF_SIZE - socket_state[i].rx_buf_occupancy),
SOCKET_RXBUF_SIZE - (socket_state[i].rx_buf_i_in % SOCKET_RXBUF_SIZE)), //Prevent overflow at wraparound point
0);
if(retval > 0){
socket_state[i].rx_buf_i_in += retval;
socket_state[i].rx_buf_occupancy += retval;
if(xSemaphoreTake(socket_state[i].rx_buf_empty, 0) == pdFALSE) { //poll semaphore
xSemaphoreGive(socket_state[i].rx_buf_empty); //unblock threads waiting for characters
}
}
else if(retval==0){
socket_state[i].status = SOCKET_STARTED;
LOG(LOG_VERBOSE, "Socket %d: client disconnected/broken.", i);
sl_Close(socket_state[i].child_id);
}
else if((retval<0) && (retval!=SL_EAGAIN)) {
LogSLError(retval);
xSemaphoreGive(socket_state[i].buf_access); RETURN_ERROR(retval, "Socket recv fail");
}
xSemaphoreGive(socket_state[i].buf_access);
}
}
return RET_SUCCESS;
}
//****************************************************************************
//
//! \brief Opening a server side socket and receiving data
//!
//! This function opens a TCP socket in Listen mode and waits for an incoming
//! TCP connection. If a socket connection is established then the function
//! will try to read 1000 TCP packets from the connected client.
//!
//! \param[in] port number on which the server will be listening on
//!
//! \return 0 on success, -1 on Error.
//!
//! \note This function will wait for an incoming connection till one
//! is established
//
//****************************************************************************
static int BsdTcpServer(UINT16 Port)
{
SlSockAddrIn_t Addr;
SlSockAddrIn_t LocalAddr;
int idx;
int AddrSize;
int SockID;
int Status;
int newSockID;
long LoopCount = 0;
long nonBlocking = 1;
for (idx=0 ; idx<BUF_SIZE ; idx++)
{
uBuf.BsdBuf[idx] = (char)(idx % 10);
}
LocalAddr.sin_family = SL_AF_INET;
LocalAddr.sin_port = sl_Htons((UINT16)Port);
LocalAddr.sin_addr.s_addr = 0;
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID < 0 )
{
/* error */
return -1;
}
AddrSize = sizeof(SlSockAddrIn_t);
Status = sl_Bind(SockID, (SlSockAddr_t *)&LocalAddr, AddrSize);
if( Status < 0 )
{
/* error */
sl_Close(SockID);
return -1;
}
Status = sl_Listen(SockID, 0);
if( Status < 0 )
{
sl_Close(SockID);
return -1;
}
Status = sl_SetSockOpt(SockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING,
&nonBlocking, sizeof(nonBlocking));
if( Status < 0 )
{
return -1;
}
newSockID = SL_EAGAIN;
while( newSockID < 0 )
{
newSockID = sl_Accept(SockID, ( struct SlSockAddr_t *)&Addr,
(SlSocklen_t*)&AddrSize);
if( newSockID == SL_EAGAIN )
{
/* Wait for 1 ms */
Delay(1);
}
else if( newSockID < 0 )
{
sl_Close(SockID);
return -1;
}
}
while (LoopCount < TCP_PACKET_COUNT)
{
Status = sl_Recv(newSockID, uBuf.BsdBuf, BUF_SIZE, 0);
if( Status <= 0 )
{
/* error */
sl_Close(newSockID);
sl_Close(SockID);
return -1;
}
LoopCount++;
}
GPIO_IF_LedOn(MCU_EXECUTE_SUCCESS_IND);
sl_Close(newSockID);
sl_Close(SockID);
return 0;
}
//*****************************************************************************
//
//! Gets the current time from the selected SNTP server
//!
//! \brief This function obtains the NTP time from the server.
//!
//! \param pGetTime is pointer to Get time structure
//!
//! \return 0 : success, -ve : failure
//!
//
//*****************************************************************************
long GetSNTPTime(tGetTime *pGetTime)
{
/*
NTP Packet Header:
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|LI | VN |Mode | Stratum | Poll | Precision |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Root Delay |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Root Dispersion |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Reference Identifier |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| Reference Timestamp (64) |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| Originate Timestamp (64) |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| Receive Timestamp (64) |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| Transmit Timestamp (64) |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Key Identifier (optional) (32) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| |
| Message Digest (optional) (128) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
char cDataBuf[48];
long lRetVal = 0;
SlSockAddr_t sAddr;
unsigned long ulElapsedSec;
//
// Send a query ? to the NTP server to get the NTP time
//
memset(cDataBuf, 0, sizeof(cDataBuf));
cDataBuf[0] = '\x1b';
sAddr.sa_family = AF_INET;
// the source port
sAddr.sa_data[0] = 0x00;
sAddr.sa_data[1] = 0x7B; // UDP port number for NTP is 123
sAddr.sa_data[2] = (char)((pGetTime->ulNtpServerIP >>24)&0xff);
sAddr.sa_data[3] = (char)((pGetTime->ulNtpServerIP >>16)&0xff);
sAddr.sa_data[4] = (char)((pGetTime->ulNtpServerIP >>8)&0xff);
sAddr.sa_data[5] = (char)(pGetTime->ulNtpServerIP&0xff);
lRetVal = sl_SendTo(pGetTime->iSocket,
cDataBuf,
sizeof(cDataBuf), 0,
&sAddr, sizeof(sAddr));
if (lRetVal != sizeof(cDataBuf))
{
return FAILURE;
}
lRetVal = sl_Recv(pGetTime->iSocket,
cDataBuf, sizeof(cDataBuf), 0);
//
// Confirm that the MODE is 4 --> server
//
if ((cDataBuf[0] & 0x7) != 4) // expect only server response
{
return FAILURE;
}
else
{
//
// Getting the data from the Transmit Timestamp (seconds) field
// This is the time at which the reply departed the
// server for the client
//
ulElapsedSec = cDataBuf[40];
ulElapsedSec <<= 8;
ulElapsedSec += cDataBuf[41];
ulElapsedSec <<= 8;
ulElapsedSec += cDataBuf[42];
ulElapsedSec <<= 8;
ulElapsedSec += cDataBuf[43];
//
// Compute the UTC time
//
TimeToString(ulElapsedSec, sDisplayInfo.ucUTCTime);
//
// Set the time zone
//
ulElapsedSec += (pGetTime->ucGmtDiffHr * SEC_IN_HOUR);
ulElapsedSec += (pGetTime->ucGmtDiffMins * SEC_IN_MIN);
//
// Compute the local time
//
TimeToString(ulElapsedSec, sDisplayInfo.ucLocalTime);
}
return SUCCESS;
}
int GetFileFromServer(const int socket, const char* filename, const char* filenameInFlash) {
int transfer_len = 0;
long retVal = 0;
long fileHandle = -1;
unsigned long Token = 0, bytesReceived = 0;
unsigned char *pBuff = 0;
unsigned long file_size = 0;
unsigned char buffer[MAX_BUFF_SIZE + 1];
UART_PRINT("Start downloading the file %s\r\n", filename);
memset(buffer, 0, sizeof(buffer));
// Puts together the HTTP GET string.
strcpy((char *) buffer, PREFIX_BUFFER);
strcat((char *) buffer, filename);
strcat((char *) buffer, POST_BUFFER);
// Send the HTTP GET string to the opened TCP/IP socket.
transfer_len = sl_Send(socket, buffer, strlen((const char *) buffer), 0);
if (transfer_len < 0) {
// error
UART_PRINT("Socket Send Error\r\n");
return -1;
}
memset(buffer, 0, sizeof(buffer));
// get the reply from the server in buffer.
transfer_len = sl_Recv(socket, buffer, MAX_BUFF_SIZE, 0);
if (transfer_len > 0) {
// Check for 404 return code
if (strstr((const char *) buffer, HTTP_FILE_NOT_FOUND) != 0) {
UART_PRINT("File not found, check the file and try again\r\n");
return -1;
}
// if not "200 OK" return error
if (strstr((const char *) buffer, HTTP_STATUS_OK) == 0) {
UART_PRINT("Error during downloading the file\r\n");
return -1;
}
// check if content length is transfered with headers
pBuff = (unsigned char *) strstr((const char *) buffer, HTTP_CONTENT_LENGTH);
if (pBuff != 0) {
pBuff += strlen(HTTP_CONTENT_LENGTH);
while (*pBuff != 0x0d)
pBuff++;
unsigned long multiplicant = 1;
pBuff--;
while (*pBuff != ' ') {
file_size += (*pBuff - '0') * multiplicant;
multiplicant *= 10;
pBuff--;
}
if (file_size == 0) {
UART_PRINT("\nContent Length not detected.\r\n");
return -1;
}
UART_PRINT("Content Length %d\r\n", file_size);
} else {
UART_PRINT("\nContent Length not detected.\r\n");
return -1;
}
// "\r\n\r\n" marks the end of headers
pBuff = (unsigned char *) strstr((const char *) buffer, HTTP_END_OF_HEADER);
if (pBuff == 0) {
UART_PRINT("Invalid response\r\n");
return -1;
}
// Increment by 4 to skip "\r\n\r\n"
pBuff += 4;
// Adjust buffer data length for header size
transfer_len -= (pBuff - buffer);
}
// Delete eventually existing temporary file
sl_FsDel((unsigned char *) filenameInFlash, Token);
// Create a temporary file to save the downloaded file
// open a user file for writing
retVal = sl_FsOpen((unsigned char *) filenameInFlash, FS_MODE_OPEN_WRITE, &Token, &fileHandle);
if (retVal < 0) {
// File Doesn't exit create a new of file_size KB file
retVal = sl_FsOpen((unsigned char *) filenameInFlash, FS_MODE_OPEN_CREATE(file_size, _FS_FILE_PUBLIC_WRITE), &Token, &fileHandle);
if (retVal < 0) {
UART_PRINT("Error during opening the temporary file\r\n");
return -1;
}
}
while (bytesReceived < file_size) {
retVal = sl_FsWrite(fileHandle, bytesReceived, (unsigned char *) pBuff, transfer_len);
if (retVal < 0) {
retVal = sl_FsClose(fileHandle, 0, 0, 0);
retVal = sl_FsDel((unsigned char *) filenameInFlash, Token);
UART_PRINT("Error during writing the file\r\n");
return -1;
}
bytesReceived += transfer_len;
if (bytesReceived == file_size) break;
memset(buffer, 0, sizeof(buffer));
transfer_len = sl_Recv(socket, buffer, MAX_BUFF_SIZE, 0);
pBuff = buffer;
}
// Close the opened file
retVal = sl_FsClose(fileHandle, 0, 0, 0);
if (bytesReceived != file_size) {
UART_PRINT("Error While File Download\r\n");
retVal = sl_FsDel((unsigned char *) filenameInFlash, Token);
return -1;
} else {
UART_PRINT("\nDownloading File Completed\r\n");
}
return 0;
}
int main(void){int32_t retVal; SlSecParams_t secParams;
char *pConfig = NULL; INT32 ASize = 0; SlSockAddrIn_t Addr;
ADC0_InitSWTriggerSeq3_Ch9(); // allow time to finish activating
initClk(); // PLL 50 MHz
Output_On();
UART_Init(); // Send data to PC, 115200 bps
Timer1_Init();
LED_Init(); // initialize LaunchPad I/O
UARTprintf("Weather App\n");
retVal = configureSimpleLinkToDefaultState(pConfig); // set policies
if(retVal < 0)Crash(4000000);
retVal = sl_Start(0, pConfig, 0);
if((retVal < 0) || (ROLE_STA != retVal) ) Crash(8000000);
secParams.Key = PASSKEY;
secParams.KeyLen = strlen(PASSKEY);
secParams.Type = SEC_TYPE; // OPEN, WPA, or WEP
sl_WlanConnect(SSID_NAME, strlen(SSID_NAME), 0, &secParams, 0);
while((0 == (g_Status&CONNECTED)) || (0 == (g_Status&IP_AQUIRED))){
_SlNonOsMainLoopTask();
}
UARTprintf("Connected\n");
while(1){
int i = 0;
while(i < 10){
int sendc = 0;
strcpy(HostName,"openweathermap.org");
retVal = sl_NetAppDnsGetHostByName(HostName,
strlen(HostName),&DestinationIP, SL_AF_INET);
if(retVal == 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(80);
Addr.sin_addr.s_addr = sl_Htonl(DestinationIP);// IP to big endian
ASize = sizeof(SlSockAddrIn_t);
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID >= 0 ){
retVal = sl_Connect(SockID, ( SlSockAddr_t *)&Addr, ASize);
}
if((SockID >= 0)&&(retVal >= 0)){
strcpy(SendBuff,REQUEST);
sl_Send(SockID, SendBuff, strlen(SendBuff), 0);// Send the HTTP GET
sl_Recv(SockID, Recvbuff, MAX_RECV_BUFF_SIZE, 0);// Receive response
sl_Close(SockID);
LED_GreenOn();
UARTprintf("\r\n\r\n");
UARTprintf(Recvbuff); UARTprintf("\r\n");
}
}
ST7735_OutUDec(sendc);
ST7735_OutString("\n");
i++;
}
//while(Board_Input()==0){}; // wait for touch
LED_GreenOff();
//Temp Part e
getTemp(Recvbuff);
ST7735_OutChar('T');
ST7735_OutChar('e');
ST7735_OutChar('m');
ST7735_OutChar('p');
ST7735_OutChar(' ');
ST7735_OutChar('=');
ST7735_OutChar(' ');
for(int i = 0; i < 5; i++){
ST7735_OutChar(myArray[i]);
}
ST7735_OutChar('\n');
//ADC Part f
ADC0_SAC_R = ADC_SAC_AVG_64X; //enable 64 times average before obtaining result
int voltage = ADC0_InSeq3();
ST7735_OutString("Voltage~");
ST7735_sDecOut3(voltage);
char* voltageString;
char voltageStringNum[5];
sprintf(voltageStringNum, "%.1d.%.3d", voltage/1000, voltage%1000);
//ST7735_OutString(voltageStringNum);
char* sendString;
char str1[173] = "GET /query?city=Austin%20Texas&id=Ty%20Winkler%20Jeremiah%20Bartlett&greet=Voltage%3D";
strcat(str1, voltageStringNum);
strcat(str1, "V&edxcode=8086 HTTP/1.1\r\nUser-Agent: Keil\r\nHost: embsysmooc.appspot.com\r\n\r\n");
strcpy(HostName,"embsysmooc.appspot.com");
retVal = sl_NetAppDnsGetHostByName(HostName,
strlen(HostName),&DestinationIP, SL_AF_INET);
if(retVal == 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(80);
Addr.sin_addr.s_addr = sl_Htonl(DestinationIP);// IP to big endian
ASize = sizeof(SlSockAddrIn_t);
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID >= 0 ){
retVal = sl_Connect(SockID, ( SlSockAddr_t *)&Addr, ASize);
}
if((SockID >= 0)&&(retVal >= 0)){
strcpy(SendBuff, str1);
count = 0;
sl_Send(SockID, SendBuff, strlen(SendBuff), 0);// Send the HTTP GET
sl_Recv(SockID, Recvbuff, MAX_RECV_BUFF_SIZE, 0);// Receive response
sl_Close(SockID);
LED_GreenOn();
UARTprintf("\r\n\r\n");
//ST7735_OutString(Recvbuff);
UARTprintf("\r\n");
}
}
while(1);
}
}
static int http_post(int iTLSSockID, char data[200]){
char acSendBuff[512];
char acRecvbuff[1460];
char cCLLength[200];
char* pcBufHeaders;
int lRetVal = 0;
pcBufHeaders = acSendBuff;
strcpy(pcBufHeaders, POSTHEADER);
pcBufHeaders += strlen(POSTHEADER);
strcpy(pcBufHeaders, " HTTP/1.1\r\n");
pcBufHeaders += strlen(" HTTP/1.1\r\n");
strcpy(pcBufHeaders, HOSTHEADER);
pcBufHeaders += strlen(HOSTHEADER);
//
strcpy(pcBufHeaders, CHEADER0);
pcBufHeaders += strlen(CHEADER0);
//
strcpy(pcBufHeaders, CHEADER);
pcBufHeaders += strlen(CHEADER);
strcpy(pcBufHeaders, "\r\n\r\n");
//calculates the length of the message, DATA1 + text message + DATA2
int dataLength = strlen(DATA1);
dataLength += strlen(data);
dataLength += strlen(DATA3);
strcpy(pcBufHeaders, CTHEADER);
pcBufHeaders += strlen(CTHEADER);
strcpy(pcBufHeaders, CLHEADER1);
pcBufHeaders += strlen(CLHEADER1);
sprintf(cCLLength, "%d", dataLength);
strcpy(pcBufHeaders, cCLLength);
pcBufHeaders += strlen(cCLLength);
strcpy(pcBufHeaders, CLHEADER2);
pcBufHeaders += strlen(CLHEADER2);
strcpy(pcBufHeaders, DATA1);
pcBufHeaders += strlen(DATA1);
strcpy(pcBufHeaders, data);
pcBufHeaders += strlen(data);
strcpy(pcBufHeaders, DATA3);
pcBufHeaders += strlen(DATA3);
int testDataLength = strlen(pcBufHeaders);
//
// Send the packet to the server */
//
printf("%s\n", acSendBuff);
lRetVal = sl_Send(iTLSSockID, acSendBuff, strlen(acSendBuff), 0);
if(lRetVal < 0)
{
UART_PRINT("POST failed. Error Number: %i\n\r",lRetVal);
sl_Close(iTLSSockID);
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
lRetVal = sl_Recv(iTLSSockID, &acRecvbuff[0], sizeof(acRecvbuff), 0);
if(lRetVal < 0)
{
UART_PRINT("Received failed. Error Number: %i\n\r",lRetVal);
//sl_Close(iSSLSockID);
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
else
{
acRecvbuff[lRetVal+1] = '\0';
UART_PRINT(acRecvbuff);
UART_PRINT("\n\r\n\r");
}
return 0;
}
void ControlServer(void *pvParameters) {
char ServerBuffer[CONFIG_SERVER_BUFFER];
char MsgBuffer[100];
char *pMsgBuffer;
SlSockAddrIn_t sAddr;
SlSockAddrIn_t sLocalAddr;
int32_t i32SockID;
int32_t i32NewSockID;
int32_t i32DataSize;
int32_t i32NonBlocking = 1;
SlSocklen_t i32AddrSize;
int32_t retval;
pMsgBuffer = &MsgBuffer[0];
InitVariables();
retval = ResetSimpleLink();
if (retval < 0)
while (1)
;
WlanConnect();
sprintf(MsgBuffer, "Connectado a rede: %s\n\r"
"IP: %d.%d.%d.%d\n\r"
"Gateway: %d.%d.%d.%d\n\r", SL_IPV4_BYTE(g_sSLCon.DeviceIP, 3),
SL_IPV4_BYTE(g_sSLCon.DeviceIP, 2),
SL_IPV4_BYTE(g_sSLCon.DeviceIP, 1),
SL_IPV4_BYTE(g_sSLCon.DeviceIP, 0),
SL_IPV4_BYTE(g_sSLCon.GatewayIP, 3),
SL_IPV4_BYTE(g_sSLCon.GatewayIP, 2),
SL_IPV4_BYTE(g_sSLCon.GatewayIP, 1),
SL_IPV4_BYTE(g_sSLCon.GatewayIP, 0));
osi_MsgQWrite(&g_sUartQuee, &pMsgBuffer, OSI_NO_WAIT);
sLocalAddr.sin_family = SL_AF_INET;
sLocalAddr.sin_port = sl_Htons((unsigned short) g_sSLCon.PortNumber);
sLocalAddr.sin_addr.s_addr = 0;
i32SockID = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, 0);
sl_Bind(i32SockID, (SlSockAddr_t *) &sLocalAddr, sizeof(SlSockAddrIn_t));
sl_Listen(i32SockID, 0);
sl_SetSockOpt(i32SockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &i32NonBlocking,
sizeof(i32NonBlocking));
while (1) {
i32NewSockID = SL_EAGAIN;
while (i32NewSockID < 0) {
i32NewSockID = sl_Accept(i32SockID, (struct SlSockAddr_t *) &sAddr,
(SlSocklen_t*) &i32AddrSize);
if (i32NewSockID == SL_EAGAIN) {
osi_Sleep(100);
} else if (i32NewSockID < 0) {
while (1) {
}
}
}
i32DataSize = sl_Recv(i32NewSockID, ServerBuffer, CONFIG_SERVER_BUFFER,
0);
if (strcmp(ServerBuffer, "Led On") == 0) {
Led_Green(LED_ON);
strcpy(ServerBuffer, "OK");
i32DataSize = 3;
} else if (strcmp(ServerBuffer, "Led Off") == 0) {
Led_Green(LED_OFF);
strcpy(ServerBuffer, "OK");
i32DataSize = 3;
} else if (strcmp(ServerBuffer, "Lamp On") == 0) {
MAP_GPIOPinWrite(GPIOA0_BASE, GPIO_PIN_6, GPIO_PIN_6);
strcpy(ServerBuffer, "OK");
i32DataSize = 3;
} else if (strcmp(ServerBuffer, "Lamp Off") == 0) {
MAP_GPIOPinWrite(GPIOA0_BASE, GPIO_PIN_6, 0);
strcpy(ServerBuffer, "OK");
i32DataSize = 3;
}
sl_Send(i32NewSockID, ServerBuffer, i32DataSize, 0);
sl_Close(i32NewSockID);
}
}
//*****************************************************************************
//
//! This function opens a TCP socket in Listen mode and waits for an incoming
//! TCP connection.. If a socket connection is established then the function
//! will try to read 1000 TCP packets from the connected client.
//!
//! \param port number on which the server will be listening on
//!
//! \return 0 on success, -ve on Error.
//!
//*****************************************************************************
static long BsdTcpServer(unsigned short Port)
{
SlSockAddrIn_t Addr;
SlSockAddrIn_t LocalAddr;
int indexCount,iAddrSize,SockID,iStatus,newSockID;
long LoopCount = 0;
long nonBlocking = 1;
SlTimeval_t timeVal;
for (indexCount=0 ; indexCount<BUF_SIZE ; indexCount++)
{
g_uBuf.cBsdBuf[indexCount] = (char)(indexCount % 10);
}
LocalAddr.sin_family = SL_AF_INET;
LocalAddr.sin_port = sl_Htons((unsigned short)Port);
LocalAddr.sin_addr.s_addr = 0;
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
ASSERT_ON_ERROR(SockID);
iAddrSize = sizeof(SlSockAddrIn_t);
iStatus = sl_Bind(SockID, (SlSockAddr_t *)&LocalAddr, iAddrSize);
if( iStatus < 0 )
{
// error
ASSERT_ON_ERROR(sl_Close(SockID));
ASSERT_ON_ERROR(iStatus);
}
iStatus = sl_Listen(SockID, 0);
if( iStatus < 0 )
{
sl_Close(SockID);
ASSERT_ON_ERROR(iStatus);
}
iStatus = sl_SetSockOpt(SockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING, \
&nonBlocking,
sizeof(nonBlocking));
newSockID = SL_EAGAIN;
while( newSockID < 0 )
{
newSockID = sl_Accept(SockID, ( struct SlSockAddr_t *)&Addr,
(SlSocklen_t*)&iAddrSize);
if( newSockID == SL_EAGAIN )
{
MAP_UtilsDelay(80000);
}
else if( newSockID < 0 )
{
ASSERT_ON_ERROR(sl_Close(SockID));
// error
ASSERT_ON_ERROR(newSockID);
}
}
timeVal.tv_sec = 1;
timeVal.tv_usec = 0;
if( newSockID >= 0 )
{
iStatus = sl_SetSockOpt(newSockID, SL_SOL_SOCKET, SL_SO_RCVTIMEO,
&timeVal, sizeof(timeVal));
ASSERT_ON_ERROR(iStatus);
}
while (LoopCount < PACKET_COUNT)
{
iStatus = sl_Recv(newSockID, g_uBuf.cBsdBuf, BUF_SIZE, 0);
if( iStatus <= 0 )
{
// error
ASSERT_ON_ERROR(sl_Close(newSockID));
ASSERT_ON_ERROR(sl_Close(SockID));
ASSERT_ON_ERROR(iStatus);
}
LoopCount++;
}
ASSERT_ON_ERROR(sl_Close(newSockID));
ASSERT_ON_ERROR(sl_Close(SockID));
return 0;
}
//--tested, working--//
//--client and server side--//
int WiFiClient::available()
{
//
//don't do anything if not properly set up
//
if (_socketIndex == NO_SOCKET_AVAIL) {
return 0;
}
//
//if the buffer doesn't have any data in it or we've read everything
//then receive some data
//
int bytesLeft = rx_fillLevel - rx_currentIndex;
if (bytesLeft <= 0) {
SlTimeval_t timeout;
memset(&timeout, 0, sizeof(SlTimeval_t));
timeout.tv_sec = 0;
timeout.tv_usec = 500;
SlFdSet_t readsds, errorsds;
SL_FD_ZERO(&readsds);
SL_FD_ZERO(&errorsds);
SL_FD_SET(WiFiClass::_handleArray[_socketIndex], &readsds);
SL_FD_SET(WiFiClass::_handleArray[_socketIndex], &errorsds);
// sl_Select(WiFiClass::_handleArray[_socketIndex] + 1, &readsds, NULL, &errorsds, &timeout);
// if(!SL_FD_ISSET(WiFiClass::_handleArray[_socketIndex], &readsds)) return 0;
//
//Receive any pending information into the buffer
//if the connection has died, call stop() to make the object aware it's dead
//
int iRet = sl_Recv(WiFiClass::_handleArray[_socketIndex], rx_buffer, TCP_RX_BUFF_MAX_SIZE, 0);
if ((iRet <= 0) && (iRet != SL_EAGAIN)) {
sl_Close(WiFiClass::_handleArray[_socketIndex]);
WiFiClass::_portArray[_socketIndex] = -1;
WiFiClass::_handleArray[_socketIndex] = -1;
WiFiClass::_typeArray[_socketIndex] = -1;
_socketIndex = NO_SOCKET_AVAIL;
memset(rx_buffer, 0, TCP_RX_BUFF_MAX_SIZE);
return 0;
}
//
//receive successful. Reset rx index pointer and set buffer fill level indicator
//(if SL_EAGAIN was received, the actual number of bytes received was zero, not -11)
//
rx_currentIndex = 0;
rx_fillLevel = (iRet != SL_EAGAIN) ? iRet : 0;
bytesLeft = rx_fillLevel - rx_currentIndex;
}
//
//limit bytes left to >= 0
//
if (bytesLeft < 0) {
bytesLeft = 0;
}
return bytesLeft;
}
//*****************************************************************************
//
//! RxStatisticsCollect
//!
//! This function
//! 1. Function for performing the statistics by listening on the
//! channel given by the user.
//!
//! \return none
//
//*****************************************************************************
static int RxStatisticsCollect()
{
int iSoc;
char acBuffer[1500];
SlGetRxStatResponse_t rxStatResp;
//char cChar;
int iIndex;
int iChannel;
long lRetVal = -1;
int iRightInput = 0;
char acCmdStore[512];
struct SlTimeval_t timeval;
timeval.tv_sec = 0; // Seconds
timeval.tv_usec = 20000; // Microseconds.
//
//Clear all fields to defaults
//
rxStatResp.ReceivedValidPacketsNumber = 0;
rxStatResp.ReceivedFcsErrorPacketsNumber = 0;
rxStatResp.ReceivedAddressMismatchPacketsNumber = 0;
rxStatResp.AvarageMgMntRssi = 0;
rxStatResp.AvarageDataCtrlRssi = 0;
for(iIndex = 0 ; iIndex < SIZE_OF_RSSI_HISTOGRAM ; iIndex++)
{
rxStatResp.RssiHistogram[iIndex] = 0;
}
for(iIndex = 0 ; iIndex < NUM_OF_RATE_INDEXES ; iIndex++)
{
rxStatResp.RateHistogram[iIndex] = 0;
}
rxStatResp.GetTimeStamp = 0;
rxStatResp.StartTimeStamp = 0;
//
//Prompt the user for channel number
//
do
{
UART_PRINT("\n\rEnter the channel to listen[1-13]:");
//
// Wait to receive a character over UART
//
lRetVal = GetCmd(acCmdStore, sizeof(acCmdStore));
if(lRetVal == 0)
{
//
// No input. Just an enter pressed probably. Display a prompt.
//
UART_PRINT("\n\rEnter Valid Input.");
iRightInput = 0;
}
else
{
iChannel = (int)strtoul(acCmdStore,0,10);
if(iChannel <= 0 || iChannel > 13)
{
UART_PRINT("\n\rWrong Input");
iRightInput = 0;
}
else
{
iRightInput = 1;
}
}
}while(!iRightInput);
UART_PRINT("\n\rPress any key to start collecting statistics...");
//
// Wait to receive a character over UART
//
MAP_UARTCharGet(CONSOLE);
//
//Start Rx statistics collection
//
lRetVal = sl_WlanRxStatStart();
ASSERT_ON_ERROR(lRetVal);
//
//Open Socket on the channel to listen
//
iSoc = sl_Socket(SL_AF_RF,SL_SOCK_RAW,iChannel);
ASSERT_ON_ERROR(iSoc);
// Enable receive timeout
lRetVal = sl_SetSockOpt(iSoc,SL_SOL_SOCKET,SL_SO_RCVTIMEO, &timeval, \
sizeof(timeval));
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Recv(iSoc,acBuffer,1470,0);
if(lRetVal < 0 && lRetVal != SL_EAGAIN)
{
//error
ASSERT_ON_ERROR(sl_Close(iSoc));
ASSERT_ON_ERROR(lRetVal);
}
UART_PRINT("\n\rPress any key to stop and display the statistics...");
//
// Wait to receive a character over UART
//
MAP_UARTCharGet(CONSOLE);
//
//Get the Statistics collected in this time window
//
lRetVal = sl_WlanRxStatGet(&rxStatResp,0);
if(lRetVal < 0)
{
//error
ASSERT_ON_ERROR(sl_Close(iSoc));
ASSERT_ON_ERROR(lRetVal);
}
//
//Printing the collected statistics
//
UART_PRINT("\n\n\n\r\t\t=========================================== \n \
\r");
UART_PRINT("\n\r\t\t\t\tRx Statistics \n\r");
UART_PRINT("\t\t=========================================== \n\r");
UART_PRINT("\n\n\rThe data sampled over %ld microsec\n\n\r", \
(unsigned int)(rxStatResp.GetTimeStamp -
rxStatResp.StartTimeStamp));
UART_PRINT("Number of Valid Packets Received: %d\n\r",
rxStatResp.ReceivedValidPacketsNumber);
UART_PRINT("Number of Packets Received Packets with FCS: %d\n\r",
rxStatResp.ReceivedFcsErrorPacketsNumber);
UART_PRINT("Number of Packets Received Packets with PLCP: %d\n\n\r", \
rxStatResp.ReceivedAddressMismatchPacketsNumber);
UART_PRINT("Average Rssi for management packets: %d\
\n\rAverage Rssi for other packets: %d\n\r",
rxStatResp.AvarageMgMntRssi,rxStatResp.AvarageDataCtrlRssi);
for(iIndex = 0 ; iIndex < SIZE_OF_RSSI_HISTOGRAM ; iIndex++)
{
UART_PRINT("Number of packets with RSSI in range %d dbm - %d dbm: %d\n\r",
((-40+(-8*iIndex))),((-40+(-8*(iIndex+1)))+1),
rxStatResp.RssiHistogram[iIndex]);
}
UART_PRINT("\n\r");
//for(iIndex = 0 ; iIndex < NUM_OF_RATE_INDEXES ; iIndex++)
iIndex = 0;
{
UART_PRINT("Number of Packets with Rate 1Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 2Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 5.5Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 11Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 6Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 9Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 12Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 18Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 24Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 36Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 48Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate 54Mbps : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_0 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_1 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_2 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_3 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_4 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_5 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_6 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
UART_PRINT("Number of Packets with Rate MCS_7 : %d\n\r",
rxStatResp.RateHistogram[iIndex++]);
}
//
//Stop Rx statistics collection
//
lRetVal = sl_WlanRxStatStop();
ASSERT_ON_ERROR(lRetVal);
//
//Close the socket
//
lRetVal = sl_Close(iSoc);
ASSERT_ON_ERROR(lRetVal);
return SUCCESS;
}
//****************************************************************************
//
//! \brief Opening a server side socket and receiving data
//!
//! This function opens a TCP socket in Listen mode and waits for an incoming
//! TCP connection. If a socket connection is established then the function
//! will try to read 1000 TCP packets from the connected client.
//!
//! \param[in] port number on which the server will be listening on
//!
//! \return 0 on success, -1 on Error.
//!
//! \note This function will wait for an incoming connection till one
//! is established
//
//****************************************************************************
static int BsdTcpServer(unsigned short Port)
{
SlSockAddrIn_t Addr;
SlSockAddrIn_t LocalAddr;
int idx;
int AddrSize;
int SockID;
int Status;
int newSockID;
long LoopCount = 0;
long nonBlocking = 1;
for (idx=0 ; idx<BUF_SIZE ; idx++)
{
uBuf.BsdBuf[idx] = (char)(idx % 10);
}
LocalAddr.sin_family = SL_AF_INET;
LocalAddr.sin_port = sl_Htons((unsigned short)Port);
LocalAddr.sin_addr.s_addr = 0;
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
ASSERT_ON_ERROR(SockID);
AddrSize = sizeof(SlSockAddrIn_t);
Status = sl_Bind(SockID, (SlSockAddr_t *)&LocalAddr, AddrSize);
if( Status < 0 )
{
/* error */
sl_Close(SockID);
ASSERT_ON_ERROR(Status);
}
Status = sl_Listen(SockID, 0);
if( Status < 0 )
{
sl_Close(SockID);
ASSERT_ON_ERROR(Status);
}
Status = sl_SetSockOpt(SockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING,
&nonBlocking, sizeof(nonBlocking));
ASSERT_ON_ERROR(Status);
newSockID = SL_EAGAIN;
while( newSockID < 0 && IS_IP_ACQUIRED(g_ulStatus))
{
newSockID = sl_Accept(SockID, ( struct SlSockAddr_t *)&Addr,
(SlSocklen_t*)&AddrSize);
if( newSockID == SL_EAGAIN )
{
/* Wait for 1 ms */
Delay(1);
}
else if( newSockID < 0 )
{
sl_Close(SockID);
ASSERT_ON_ERROR(newSockID);
}
}
if(! IS_IP_ACQUIRED(g_ulStatus))
{
return CLIENT_DISCONNECTED;
}
// run 'iperf -c <device IP> -i 1 -t 10000' command on PC/Smartphone
while (LoopCount < TCP_PACKET_COUNT)
{
Status = sl_Recv(newSockID, uBuf.BsdBuf, BUF_SIZE, 0);
if( Status <= 0 )
{
/* error */
ASSERT_ON_ERROR(sl_Close(newSockID));
ASSERT_ON_ERROR(sl_Close(SockID));
ASSERT_ON_ERROR(Status);
}
LoopCount++;
}
GPIO_IF_LedOn(MCU_EXECUTE_SUCCESS_IND);
ASSERT_ON_ERROR(sl_Close(newSockID));
ASSERT_ON_ERROR(sl_Close(SockID));
return SUCCESS;
}
/*!
\brief Entering raw Transmitter\Receiver mode in order to perform Rx
statistic over a specific WLAN channel
\param[in] Channel number on which the statistics will be calculated
\return 0 for success, -ve otherwise
\note
\warning We must be disconnected from WLAN AP in order to succeed
changing to Receiver mode
*/
static _i32 RxStatisticsCollect(_i16 channel)
{
SlGetRxStatResponse_t rxStatResp;
_u8 buffer[MAX_BUF_RX_STAT] = {'\0'};
_u8 var[MAX_BUF_SIZE] = {'\0'};
_i32 idx = -1;
_i16 sd = -1;
_i32 retVal = -1;
memset(&rxStatResp, 0, sizeof(rxStatResp));
sd = sl_Socket(SL_AF_RF,SL_SOCK_RAW,channel);
if(sd < 0)
{
printf("Error In Creating the Socket\n");
ASSERT_ON_ERROR(sd);
}
retVal = sl_Recv(sd, buffer, BYTES_TO_RECV, 0);
ASSERT_ON_ERROR(retVal);
printf("Press \"Enter\" to start collecting statistics.\n");
fgets((char *)var, sizeof(var), stdin);
retVal = sl_WlanRxStatStart();
ASSERT_ON_ERROR(retVal);
printf("Press \"Enter\" to get the statistics.\n");
fgets((char *)var, sizeof(var), stdin);
retVal = sl_WlanRxStatGet(&rxStatResp, 0);
ASSERT_ON_ERROR(retVal);
printf("\n\n*********************Rx Statistics**********************\n\n");
printf("Received Packets - %d\n",rxStatResp.ReceivedValidPacketsNumber);
printf(" Received FCS - %d\n",rxStatResp.ReceivedFcsErrorPacketsNumber);
printf(" Received PLCP - %d\n",rxStatResp.ReceivedPlcpErrorPacketsNumber);
printf("Average Rssi for management: %d Average Rssi for other packets: %d\n",
rxStatResp.AvarageMgMntRssi,rxStatResp.AvarageDataCtrlRssi);
for(idx = 0 ; idx < SIZE_OF_RSSI_HISTOGRAM ; idx++)
{
printf("Rssi Histogram cell %d is %d\n", idx, rxStatResp.RssiHistogram[idx]);
}
printf("\n");
for(idx = 0 ; idx < NUM_OF_RATE_INDEXES; idx++)
{
printf("Rate Histogram cell %d is %d\n", idx, rxStatResp.RateHistogram[idx]);
}
printf("The data was sampled in %u microseconds.\n",
((_i16)rxStatResp.GetTimeStamp - rxStatResp.StartTimeStamp));
printf("\n\n*******************End Rx Statistics********************\n");
retVal = sl_WlanRxStatStop();
ASSERT_ON_ERROR(retVal);
retVal = sl_Close(sd);
ASSERT_ON_ERROR(retVal);
return SUCCESS;
}
//*****************************************************************************
//
//! This function POST to Event Hub REST API using TLS
//!
//! \param None
//!
//! \return 0 on success else error code
//! \return Error number on Failure
//
//*****************************************************************************
long PostEventHubSSL()
{
SlSockAddrIn_t Addr;
int iAddrSize;
unsigned char ucMethod = SL_SO_SEC_METHOD_TLSV1; //SL_SO_SEC_METHOD_SSLv3_TLSV1_2; //SL_SO_SEC_METHOD_TLSV1_2; //SL_SO_SEC_METHOD_SSLV3;
unsigned int uiIP;
unsigned int uiCipher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_SHA;
long lRetVal = -1;
int iSSLSockID;
char acSendBuff[512];
char acRecvbuff[1460];
//char* pcBufData;
char* pcBufHeaders;
//
// Retrieve IP from Hostname
//
lRetVal = sl_NetAppDnsGetHostByName(g_Host, strlen((const char *)g_Host), (unsigned long*)&uiIP, SL_AF_INET);
if(lRetVal < 0)
{
CLI_Write("Could not retrive the IP Address for Azure Server.\n\r");
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(SSL_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(uiIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// Opens a secure socket
//
iSSLSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( iSSLSockID < 0 )
{
CLI_Write("Unable to create secure socket.\n\r");
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// Configure the socket as TLS (SSLV3.0 does not work because of POODLE - http://en.wikipedia.org/wiki/POODLE)
//
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_SECMETHOD, &ucMethod, sizeof(ucMethod));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (TLS).\n\r");
sl_Close(iSSLSockID);
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// Configure the socket as RSA with RC4 128 SHA
//
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &uiCipher, sizeof(uiCipher));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (RSA).\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Configure the socket with Azure CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_SECURE_FILES_CA_FILE_NAME, SL_SSL_CA_CERT_FILE_NAME, strlen(SL_SSL_CA_CERT_FILE_NAME));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (CA Certificate).\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Configure the recieve timeout
//
struct SlTimeval_t timeVal;
timeVal.tv_sec = SERVER_RESPONSE_TIMEOUT; // In Seconds
timeVal.tv_usec = 0; // Microseconds. 10000 microseconds resolution
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_RCVTIMEO, (unsigned char*)&timeVal, sizeof(timeVal));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (Receive Timeout).\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Connect to the peer device - Azure server */
//
lRetVal = sl_Connect(iSSLSockID, ( SlSockAddr_t *)&Addr, iAddrSize);
if(lRetVal < 0)
{
CLI_Write("Couldn't connect to Azure server.\n\r");
sl_Close(iSSLSockID);
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// Generate a random number for the temperture
//
srand((unsigned int)time(NULL));
float a = 5.0;
float fRandTemp = 25 - (((float)rand()/(float)(RAND_MAX)) * a);
char cTempChar[5];
sprintf(cTempChar, "%.2f", fRandTemp);
//
// Creates the HTTP POST string.
//
int dataLength = strlen(DATA1) + 5 + strlen(DATA2);
char cCLLength[4];
pcBufHeaders = acSendBuff;
strcpy(pcBufHeaders, POSTHEADER);
pcBufHeaders += strlen(POSTHEADER);
strcpy(pcBufHeaders, HOSTHEADER);
pcBufHeaders += strlen(HOSTHEADER);
strcpy(pcBufHeaders, AUTHHEADER);
pcBufHeaders += strlen(AUTHHEADER);
strcpy(pcBufHeaders, CHEADER);
pcBufHeaders += strlen(CHEADER);
strcpy(pcBufHeaders, CTHEADER);
pcBufHeaders += strlen(CTHEADER);
strcpy(pcBufHeaders, CLHEADER1);
pcBufHeaders += strlen(CLHEADER1);
sprintf(cCLLength, "%d", dataLength);
strcpy(pcBufHeaders, cCLLength);
pcBufHeaders += strlen(cCLLength);
strcpy(pcBufHeaders, CLHEADER2);
pcBufHeaders += strlen(CLHEADER2);
strcpy(pcBufHeaders, DATA1);
pcBufHeaders += strlen(DATA1);
strcpy(pcBufHeaders , cTempChar);
pcBufHeaders += strlen(cTempChar);
strcpy(pcBufHeaders, DATA2);
int testDataLength = strlen(pcBufHeaders);
//
// Send the packet to the server */
//
lRetVal = sl_Send(iSSLSockID, acSendBuff, strlen(acSendBuff), 0);
if(lRetVal < 0)
{
CLI_Write("POST failed.\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Receive response packet from the server */
//
lRetVal = sl_Recv(iSSLSockID, &acRecvbuff[0], sizeof(acRecvbuff), 0);
if(lRetVal < 0)
{
CLI_Write("Received failed.\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
else
{
CLI_Write("HTTP POST Successful. Telemetry successfully logged\n\r");
}
sl_Close(iSSLSockID);
return SUCCESS;
}