int ConnectNetwork(Network* n, char* addr, int port)
{
SlSockAddrIn_t sAddr;
int addrSize;
int retVal;
unsigned long ipAddress;
sl_NetAppDnsGetHostByName(addr, strlen(addr), &ipAddress, AF_INET);
sAddr.sin_family = AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)port);
sAddr.sin_addr.s_addr = sl_Htonl(ipAddress);
addrSize = sizeof(SlSockAddrIn_t);
n->my_socket = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( n->my_socket < 0 ) {
// error
return -1;
}
retVal = sl_Connect(n->my_socket, ( SlSockAddr_t *)&sAddr, addrSize);
if( retVal < 0 ) {
// error
sl_Close(n->my_socket);
return retVal;
}
SysTickIntRegister(SysTickIntHandler);
SysTickPeriodSet(80000);
SysTickEnable();
return retVal;
}
int main0(void){
// "Embedded Systems: Real Time Interfacing to ARM Cortex M Microcontrollers",
// ISBN: 978-1463590154, Jonathan Valvano, copyright (c) 2014, Volume 2, Program 11.2
UINT8 IsDHCP = 0;
_NetCfgIpV4Args_t ipV4;
SlSockAddrIn_t Addr;
UINT16 AddrSize = 0;
INT16 SockID = 0;
UINT32 data;
unsigned char len = sizeof(_NetCfgIpV4Args_t);
initClk(); // PLL 50 MHz, ADC needs PPL active 15
ADC0_InitSWTriggerSeq3(7); // Ain7 is on PD0 16
sl_Start(0, 0, 0); // Initializing the CC3100 device 17
WlanConnect(); // connect to AP 18
sl_NetCfgGet(SL_IPV4_STA_P2P_CL_GET_INFO,&IsDHCP,&len, // 19
(unsigned char *)&ipV4); // 20
Addr.sin_family = SL_AF_INET; // 21
Addr.sin_port = sl_Htons((UINT16)PORT_NUM); // 22
Addr.sin_addr.s_addr = sl_Htonl((UINT32)IP_ADDR); // 23
AddrSize = sizeof(SlSockAddrIn_t); // 24
SockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0); // 25
while(1){
uBuf[0] = ATYPE; // analog data type 26
uBuf[1] = '='; // 27
data = ADC0_InSeq3(); // 0 to 4095, Ain7 is on PD0 28
Int2Str(data,(char*)&uBuf[2]); // 6 digit number 29
sl_SendTo(SockID, uBuf, BUF_SIZE, 0, // 30
(SlSockAddr_t *)&Addr, AddrSize); // 31
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 25); // 40ms 32
}
}
/*!
\brief Create TCP connection with openweathermap.org
\param[in] none
\return Socket descriptor for success otherwise negative
\warning
*/
static int CreateConnection(void){
SlSockAddrIn_t Addr;
INT32 sd = 0;
INT32 AddrSize = 0;
INT16 ret_val = 0;
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(80);
/* Change the DestinationIP endianity, to big endian */
Addr.sin_addr.s_addr = sl_Htonl(appData.DestinationIP);
AddrSize = sizeof(SlSockAddrIn_t);
sd = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( sd < 0 ){
LCD_OutString("Error creating socket\r\n");
return sd;
}
ret_val = sl_Connect(sd, ( SlSockAddr_t *)&Addr, AddrSize);
if( ret_val < 0 ){
/* error */
LCD_OutString("Error connecting to socket\r\n");
return ret_val;
}
return sd;
}
int NetworkConnectTLS(Network *n, char* addr, int port, SlSockSecureFiles_t* certificates, unsigned char sec_method, unsigned int cipher, char server_verify)
{
SlSockAddrIn_t sAddr;
int addrSize;
int retVal;
unsigned long ipAddress;
retVal = sl_NetAppDnsGetHostByName(addr, strlen(addr), &ipAddress, AF_INET);
if (retVal < 0) {
return -1;
}
sAddr.sin_family = AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)port);
sAddr.sin_addr.s_addr = sl_Htonl(ipAddress);
addrSize = sizeof(SlSockAddrIn_t);
n->my_socket = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_SEC_SOCKET);
if (n->my_socket < 0) {
return -1;
}
SlSockSecureMethod method;
method.secureMethod = sec_method;
retVal = sl_SetSockOpt(n->my_socket, SL_SOL_SOCKET, SL_SO_SECMETHOD, &method, sizeof(method));
if (retVal < 0) {
return retVal;
}
SlSockSecureMask mask;
mask.secureMask = cipher;
retVal = sl_SetSockOpt(n->my_socket, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &mask, sizeof(mask));
if (retVal < 0) {
return retVal;
}
if (certificates != NULL) {
retVal = sl_SetSockOpt(n->my_socket, SL_SOL_SOCKET, SL_SO_SECURE_FILES, certificates->secureFiles, sizeof(SlSockSecureFiles_t));
if (retVal < 0)
{
return retVal;
}
}
retVal = sl_Connect(n->my_socket, (SlSockAddr_t *)&sAddr, addrSize);
if (retVal < 0) {
if (server_verify || retVal != -453) {
sl_Close(n->my_socket);
return retVal;
}
}
SysTickIntRegister(SysTickIntHandler);
SysTickPeriodSet(80000);
SysTickEnable();
return retVal;
}
//****************************************************************************
//
//! \brief Opening a UDP client side socket and sending data
//!
//! This function opens a UDP socket and tries to connect to a Server IP_ADDR
//! waiting on port PORT_NUM.
//! Then the function will send 1000 UDP packets to the server.
//!
//! \param[in] port number on which the server will be listening on
//!
//! \return 0 on success, -1 on Error.
//
//****************************************************************************
int BsdUdpClient(unsigned short usPort)
{
int iCounter;
short sTestBufLen;
SlSockAddrIn_t sAddr;
int iAddrSize;
int iSockID;
int iStatus;
long lLoopCount = 0;
// filling the buffer
for (iCounter=0 ; iCounter<BUF_SIZE ; iCounter++)
{
g_cBsdBuf[iCounter] = (char)(iCounter % 10);
}
sTestBufLen = BUF_SIZE;
//filling the UDP server socket address
sAddr.sin_family = SL_AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)usPort);
sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)g_ulDestinationIp);
iAddrSize = sizeof(SlSockAddrIn_t);
// creating a UDP socket
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
if( iSockID < 0 )
{
// error
ASSERT_ON_ERROR(UCP_CLIENT_FAILED);
}
// for a UDP connection connect is not required
// sending 1000 packets to the UDP server
while (lLoopCount < g_ulPacketCount)
{
// sending packet
iStatus = sl_SendTo(iSockID, g_cBsdBuf, sTestBufLen, 0,
(SlSockAddr_t *)&sAddr, iAddrSize);
if( iStatus <= 0 )
{
// error
sl_Close(iSockID);
ASSERT_ON_ERROR(UCP_CLIENT_FAILED);
}
lLoopCount++;
}
UART_PRINT("Sent %u packets successfully\n\r",g_ulPacketCount);
//closing the socket after sending 1000 packets
sl_Close(iSockID);
return SUCCESS;
}
//--tested, working--//
IPAddress WiFiClass::localIP()
{
//
//the local IP is maintained with callbacks, so _SlNonOsMainLoopTask()
//is critical. The IP is "written" into the buffer to avoid memory errors
//
_SlNonOsMainLoopTask();
IPAddress retIP(0,0,0,0);
retIP = sl_Htonl(local_IP);
return retIP;
}
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;
}
//--tested, working--//
int WiFiClass::hostByName(char* aHostname, IPAddress& aResult)
{
if (!_initialized) {
init();
}
//
//Use the netapp api to resolve an IP for the requested hostname
//
unsigned long DestinationIP;
int iRet = sl_NetAppDnsGetHostByName(aHostname, strlen(aHostname), &DestinationIP, SL_AF_INET);
aResult = sl_Htonl(DestinationIP);
if (iRet >= 0) {
return 1;
} else {
return iRet;
}
}
//--tested, working--//
IPAddress WiFiClass::localIP()
{
//
//the local IP is maintained with callbacks, so _SlNonOsMainLoopTask()
//is critical. The IP is "written" into the buffer to avoid memory errors
//
_SlNonOsMainLoopTask();
SlNetCfgIpV4Args_t config = {0};
unsigned char len = sizeof(SlNetCfgIpV4Args_t);
sl_NetCfgGet(SL_IPV4_STA_P2P_CL_GET_INFO, NULL, &len, (unsigned char*)&config);
//
//change the uint32_t IP to the IPAddress class and return
//
IPAddress retIP(0,0,0,0);
retIP = sl_Htonl(config.ipV4);
return retIP;
}
//--tested, working--//
IPAddress WiFiClass::gatewayIP()
{
if (!_initialized) {
init();
}
//
//get current configuration
//
_NetCfgIpV4Args_t config = {0};
unsigned char len = sizeof(_NetCfgIpV4Args_t);
sl_NetCfgGet(SL_IPV4_STA_P2P_CL_GET_INFO, NULL, &len, (unsigned char*)&config);
//
//change the uint32_t IP to the IPAddress class and return
//
IPAddress retIP(0,0,0,0);
retIP = sl_Htonl(config.ipV4Gateway);
return retIP;
}
ext_tcp_utils_function_return_state_t ext_tcp_utils_getaddrbyhost(kaa_dns_resolve_listener_t *resolve_listener
, const kaa_dns_resolve_info_t *resolve_props
, kaa_sockaddr_t *result
, kaa_socklen_t *result_size)
{
(void)resolve_listener;
KAA_RETURN_IF_NIL4(resolve_props, resolve_props->hostname, result, result_size, RET_STATE_VALUE_ERROR);
if (*result_size < sizeof(struct sockaddr_in))
return RET_STATE_BUFFER_NOT_ENOUGH;
unsigned long out_ip = 0;
int ai_family;
int resolve_error = 0;
struct sockaddr_in tmp_addr;
ai_family = AF_INET;
*result_size = sizeof(struct sockaddr_in);
char hostname_str[resolve_props->hostname_length + 1];
memcpy(hostname_str, resolve_props->hostname, resolve_props->hostname_length);
hostname_str[resolve_props->hostname_length] = '\0';
if (strcmp(hostname_str, "localhost"))
resolve_error = sl_NetAppDnsGetHostByName((signed char*)hostname_str, resolve_props->hostname_length, &out_ip, ai_family);
else
out_ip = 0x7F000001;
memset(&tmp_addr, 0, *result_size);
tmp_addr.sin_family = ai_family;
tmp_addr.sin_addr.s_addr = sl_Htonl((unsigned int)out_ip);
tmp_addr.sin_port = sl_Htons((unsigned short)resolve_props->port);
if (resolve_error || !out_ip)
return RET_STATE_VALUE_ERROR;
memcpy(result, (struct sockaddr*)&tmp_addr, *result_size);
return RET_STATE_VALUE_READY;
}
//*****************************************************************************
//
//! This function demonstrates how certificate can be used with SSL.
//! The procedure includes the following steps:
//! 1) connect to an open AP
//! 2) get the server name via a DNS request
//! 3) define all socket options and point to the CA certificate
//! 4) connect to the server via TCP
//!
//! \param None
//!
//! \return 0 on success else error code
//! \return LED1 is turned solid in case of success
//! LED2 is turned solid in case of failure
//!
//*****************************************************************************
static int tls_connect()
{
SlSockAddrIn_t Addr;
int iAddrSize;
unsigned char ucMethod = SL_SO_SEC_METHOD_TLSV1_2;
unsigned int uiIP,uiCipher = SL_SEC_MASK_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA;
long lRetVal = -1;
int iSockID;
lRetVal = sl_NetAppDnsGetHostByName(g_Host, strlen((const char *)g_Host),
(unsigned long*)&uiIP, SL_AF_INET);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't retrive the host name \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(GOOGLE_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(uiIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// opens a secure socket
//
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( iSockID < 0 )
{
UART_PRINT("Device unable to create secure socket \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// configure the socket as TLS1.2
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECMETHOD, &ucMethod,\
sizeof(ucMethod));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket as ECDHE RSA WITH AES256 CBC SHA
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &uiCipher,\
sizeof(uiCipher));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket with CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_CA_FILE_NAME, \
SL_SSL_CA_CERT, \
strlen(SL_SSL_CA_CERT));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//configure the socket with Client Certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_CERTIFICATE_FILE_NAME, \
SL_SSL_CLIENT, \
strlen(SL_SSL_CLIENT));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//configure the socket with Private Key - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_PRIVATE_KEY_FILE_NAME, \
SL_SSL_PRIVATE, \
strlen(SL_SSL_PRIVATE));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
/* connect to the peer device - Google server */
lRetVal = sl_Connect(iSockID, ( SlSockAddr_t *)&Addr, iAddrSize);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't connect to AWS server \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
else{
UART_PRINT("Device has connected to the website:");
UART_PRINT(SERVER_NAME);
UART_PRINT("\n\r");
}
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
return iSockID;
}
//*****************************************************************************
//
//! This function demonstrates how certificate can be used with SSL.
//! The procedure includes the following steps:
//! 1) connect to an open AP
//! 2) get the server name via a DNS request
//! 3) define all socket options and point to the CA certificate
//! 4) connect to the server via TCP
//!
//! \param None
//!
//! \return 0 on success else error code
//! \return LED1 is turned solid in case of success
//! LED2 is turned solid in case of failure
//!
//*****************************************************************************
static long ssl()
{
SlSockAddrIn_t Addr;
int iAddrSize;
unsigned char ucMethod = SL_SO_SEC_METHOD_SSLV3;
unsigned int uiIP,uiCipher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_SHA;
long lRetVal = -1;
int iSockID;
GPIO_IF_LedConfigure(LED1|LED3);
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
lRetVal = InitializeAppVariables();
ASSERT_ON_ERROR(lRetVal);
//
// 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");
return lRetVal;
}
UART_PRINT("Device is configured in default state \n\r");
CLR_STATUS_BIT_ALL(g_ulStatus);
///
// 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");
return lRetVal;
}
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");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
UART_PRINT("Connection established w/ AP and IP is aquired \n\r");
//Set time of the device for certificate verification.
lRetVal = set_time();
if(lRetVal < 0)
{
UART_PRINT("Unable to set time in the device");
return lRetVal;
}
lRetVal = sl_NetAppDnsGetHostByName(g_Host, strlen((const char *)g_Host),
(unsigned long*)&uiIP, SL_AF_INET);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't retrive the host name \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(GOOGLE_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(uiIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// opens a secure socket
//
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( iSockID < 0 )
{
UART_PRINT("Device unable to create secure socket \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// configure the socket as SSLV3.0
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECMETHOD, &ucMethod,\
sizeof(ucMethod));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket as RSA with RC4 128 SHA
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &uiCipher,\
sizeof(uiCipher));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket with GOOGLE CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, 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)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SO_SECURE_DOMAIN_NAME_VERIFICATION, \
g_Host, strlen((const char *)g_Host));
if( lRetVal < 0 )
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
/* connect to the peer device - Google server */
lRetVal = sl_Connect(iSockID, ( SlSockAddr_t *)&Addr, iAddrSize);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't connect to Google server \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
return SUCCESS;
}
//*****************************************************************************
//
//! Function to connect to server and download the requested file
//!
//! \param none
//!
//! \return Error-code or SUCCESS
//!
//*****************************************************************************
static long ServerFileDownload()
{
long lRetVal = -1;
struct sockaddr_in addr;
HTTPCli_Struct cli;
//
// 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 desired 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, "
"Error-code: %d\n\r", DEVICE_NOT_IN_STATION_MODE);
}
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)
{
ASSERT_ON_ERROR(DEVICE_START_FAILED);
}
UART_PRINT("Device started as STATION \n\r");
// Connecting to WLAN AP - Set with static parameters defined at the top
// After this call we will be connected and have IP address
lRetVal = WlanConnect();
UART_PRINT("Connected to the AP: %s\r\n", SSID_NAME);
lRetVal = sl_NetAppDnsGetHostByName((signed char *)HOST_NAME,
strlen((const char *)HOST_NAME),
&g_ulDestinationIP,SL_AF_INET);
if(lRetVal < 0)
{
ASSERT_ON_ERROR(GET_HOST_IP_FAILED);
}
// Set up the input parameters for HTTP Connection
addr.sin_family = AF_INET;
addr.sin_port = htons(HOST_PORT);
addr.sin_addr.s_addr = sl_Htonl(g_ulDestinationIP);
// Testing HTTPCli open call: handle, address params only
HTTPCli_construct(&cli);
lRetVal = HTTPCli_connect(&cli, (struct sockaddr *)&addr, 0, NULL);
if (lRetVal < 0)
{
UART_PRINT("Connection to server failed\n\r");
ASSERT_ON_ERROR(SERVER_CONNECTION_FAILED);
}
else
{
UART_PRINT("Connection to server created successfully\r\n");
}
// Download the file, verify the file and replace the exiting file
lRetVal = GetData(&cli);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't download the file from the server\n\r");
}
HTTPCli_destruct(&cli);
return SUCCESS;
}
//****************************************************************************
//
//! \brief Opening a UDP client side socket and sending data
//!
//! This function opens a UDP socket and tries to connect to a Server IP_ADDR
//! waiting on port PORT_NUM.
//! Then the function will send 1000 UDP packets to the server.
//!
//! \param[in] port number on which the server will be listening on
//!
//! \return 0 on success, -1 on Error.
//
//****************************************************************************
int BsdUdpClient(unsigned short usPort, unsigned long ulDesitnationIP)
{
int iCounter;
short sTestBufLen;
SlSockAddrIn_t sAddr;
int iAddrSize;
int iSockID;
int iStatus;
int iPackets;
// filling the buffer
for (iCounter=0 ; iCounter<BUF_SIZE ; iCounter++)
{
g_cBsdBuf[iCounter] = (char)(iCounter % 10);
}
sTestBufLen = BUF_SIZE;
//
// Filling the UDP server socket address
//
sAddr.sin_family = SL_AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)usPort);
sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)ulDesitnationIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// Initialize number of packets variable
//
iPackets = UDP_PACKET_COUNT;
//
// Creating a UDP socket
//
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
if( iSockID < 0 )
{
// error
return -1;
}
UART_PRINT("\n\rSending Packets\n\r");
//
// Loop forever sending packets
//
while (1)
{
//
// Sending packet
//
iStatus = sl_SendTo(iSockID, g_cBsdBuf, sTestBufLen, 0,
( SlSockAddr_t *)&sAddr, iAddrSize);
//
// Decrement the packet count
//
iPackets--;
UART_PRINT(".");
//
// If send fails or packet count reaches 0 stop acking the watchdog
// so that it resets the system
//
if( iStatus > 0 && iPackets > 0)
{
WatchdogAck();
}
UtilsDelay(8000000);
}
}
//*****************************************************************************
//
//! \brief Task Created by main fucntion. This task prints the wake up reason
//! (from hibernate or from restart). start simplelink, set NWP power
//! policy and connects to an AP. Creates UDP client and send UDP
//! packets at around 1Mbit/sec for certain time. Disconnect form AP
//! and stops the simplelink.Setup GPIO and Timer as wakeup source from
//! low power modes. Go into HIBernate.
//!
//! \param pvParameters is a general void pointer (not used here).
//!
//! \return none
//
//*****************************************************************************
void TimerGPIOTask(void *pvParameters)
{
cc_hndl tTimerHndl;
cc_hndl tGPIOHndl;
int iSockDesc = 0;
int iRetVal = 0;
int iCounter = 0;
sockaddr_in sServerAddr;
unsigned char *pcSendBuff;
unsigned char cSyncMsg;
//
// creating the queue for signalling about connection events
//
iRetVal = osi_MsgQCreate(&g_tConnection, NULL, sizeof( unsigned char ), 3);
if (iRetVal < 0)
{
UART_PRINT("unable to create the msg queue\n\r");
LOOP_FOREVER();
}
// filling the buffer
for (iCounter=0 ; iCounter<BUFF_SIZE ; iCounter++)
{
g_cBsdBuf[iCounter] = (char)(iCounter % 10);
}
pcSendBuff = g_cBsdBuf;
if(MAP_PRCMSysResetCauseGet() == PRCM_POWER_ON)
{
//
// Displays the Application Banner
//
DisplayBanner();
//
// starting the simplelink
//
iRetVal = sl_Start(NULL, NULL, NULL);
if (iRetVal < 0)
{
UART_PRINT("Failed to start the device \n\r");
LOOP_FOREVER();
}
//
// Switch to STA mode if device is not in this mode
//
SwitchToStaMode(iRetVal);
//
// Set the power management policy of NWP
//
iRetVal = sl_WlanPolicySet(SL_POLICY_PM, SL_NORMAL_POLICY, NULL, 0);
if (iRetVal < 0)
{
UART_PRINT("unable to configure network power policy\n\r");
LOOP_FOREVER();
}
}
else if(MAP_PRCMSysResetCauseGet() == PRCM_HIB_EXIT)
{
UART_PRINT("woken from hib\n\r");
//
// starting the simplelink
//
iRetVal = sl_Start(NULL, NULL, NULL);
if (iRetVal < 0)
{
UART_PRINT("Failed to start the device \n\r");
LOOP_FOREVER();
}
}
else if(MAP_PRCMSysResetCauseGet() == PRCM_WDT_RESET)
{
UART_PRINT("woken from WDT Reset\n\r");
//
// starting the simplelink
//
iRetVal = sl_Start(NULL, NULL, NULL);
if (iRetVal < 0)
{
UART_PRINT("Failed to start the device \n\r");
LOOP_FOREVER();
}
}
else
{
UART_PRINT("woken cause unknown\n\r");
}
//
// connecting to the Access Point
//
if(-1 == WlanConnect())
{
UART_PRINT("Connection to AP failed\n\r");
goto no_network_connection;
}else{
UART_PRINT("Connected to AP\n\r");
}
//
// creating a UDP socket
//
iSockDesc = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
if(iSockDesc < 0)
{
UART_PRINT("sock error\n\r");
LOOP_FOREVER();
}
//
// configure the UDP Server address
//
sServerAddr.sin_family = SL_AF_INET;
sServerAddr.sin_port = sl_Htons(APP_UDP_PORT);
sServerAddr.sin_addr.s_addr = sl_Htonl(SERVER_IP_ADDRESS);
//
// Set 5 sec timer allowing 5 sec of UDP Tx.
//
tTimerHndl = SetTimer();
g_ucTrafficEnable = 1;
while(g_ucTrafficEnable == 1)
{
//
// sending message
//
iRetVal = sendto(iSockDesc, pcSendBuff,BUFF_SIZE, 0,
(struct sockaddr *)&sServerAddr,sizeof(sServerAddr));
if(iRetVal < 0)
{
UART_PRINT("send error\n\r");
LOOP_FOREVER();
}
ManageDelay(128,BUFF_SIZE);
}
UART_PRINT("sent\n\r");
//
// stop and delete the timer
//
cc_timer_stop(tTimerHndl);
cc_timer_delete(tTimerHndl);
//
//close the socket
//
close(iSockDesc);
if(iRetVal < 0)
{
UART_PRINT("could not close the socket\n\r");
}
//
// disconnect from the Access Point
//
WlanDisconnect();
no_network_connection:
//
// stop the simplelink with reqd. timeout value (30 ms)
//
sl_Stop(SL_STOP_TIMEOUT);
//
// setting Timer as one of the wakeup source
//
tTimerHndl = SetTimerAsWkUp();
//
// setting some GPIO as one of the wakeup source
//
tGPIOHndl = SetGPIOAsWkUp();
/* handles, if required, can be used to stop the timer, but not used here*/
UNUSED(tTimerHndl);
UNUSED(tGPIOHndl);
//
// Setting up HIBERNATE as the lowest power mode for the system.
//
lp3p0_setup_power_policy(POWER_POLICY_HIBERNATE);
//
// idle wait will push the system into the lowest power mode(HIBERNATE).
//
iRetVal = osi_MsgQCreate(&g_tWaitForHib, NULL, sizeof( unsigned char ), 1);
if (iRetVal < 0)
{
UART_PRINT("unable to create the msg queue\n\r");
LOOP_FOREVER();
}
osi_MsgQRead(&g_tWaitForHib, &cSyncMsg, OSI_WAIT_FOREVER);
//
// infinite loop (must not reach here)
//
LOOP_FOREVER();
}
int main1(void){
UINT8 IsDHCP = 0;
_NetCfgIpV4Args_t ipV4;
SlSockAddrIn_t Addr;
UINT16 AddrSize = 0;
INT16 SockID = 0;
INT16 Status = 1; // ok
UINT32 data;
unsigned char len = sizeof(_NetCfgIpV4Args_t);
stopWDT(); // Stop WDT
initClk(); // PLL 50 MHz, ADC needs PPL active
Board_Init(); // initialize LaunchPad I/O
ConfigureUART(); // Initialize the UART.
UARTprintf("Section 11.4 IoT example, Volume 2 Real-time interfacing\n");
#if ADC
ADC0_InitSWTriggerSeq3(7); // Ain7 is on PD0
UARTprintf("This node is configured to measure signals from Ain7=PD0\n");
#endif
#if EKG
UARTprintf("This node is configured to generate simulated EKG data\n");
#endif
UARTprintf(" and send UDP packets to IP: %d.%d.%d.%d Port: %d\n\n",
SL_IPV4_BYTE(IP_ADDR,3), SL_IPV4_BYTE(IP_ADDR,2),
SL_IPV4_BYTE(IP_ADDR,1), SL_IPV4_BYTE(IP_ADDR,0),PORT_NUM);
while(1){
sl_Start(0, 0, 0);/* Initializing the CC3100 device */
/* Connecting to WLAN AP - Set with static parameters defined at the top
After this call we will be connected and have IP address */
WlanConnect(); // connect to AP
/* Read the IP parameter */
sl_NetCfgGet(SL_IPV4_STA_P2P_CL_GET_INFO,&IsDHCP,&len,(unsigned char *)&ipV4);
UARTprintf("This node is at IP: %d.%d.%d.%d\n", SL_IPV4_BYTE(ipV4.ipV4,3), SL_IPV4_BYTE(ipV4.ipV4,2), SL_IPV4_BYTE(ipV4.ipV4,1), SL_IPV4_BYTE(ipV4.ipV4,0));
while(Status > 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons((UINT16)PORT_NUM);
Addr.sin_addr.s_addr = sl_Htonl((UINT32)IP_ADDR);
AddrSize = sizeof(SlSockAddrIn_t);
SockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
if( SockID < 0 ){
UARTprintf("SockIDerror ");
Status = -1; // error
}else{
while(Status>0){
UARTprintf("\nSending a UDP packet ...");
uBuf[0] = ATYPE; // defines this as an analog data type
uBuf[1] = '=';
#if ADC
data = ADC0_InSeq3(); // 0 to 4095, Ain7 is on PD0
#endif
#if EKG
data = EKGbuf[EKGindex];
EKGindex = (EKGindex+1)%EKGSIZE; // 100 Hz
#endif
Int2Str(data,(char*)&uBuf[2]); // [2] to [7] is 6 digit number
UARTprintf(" %s ",uBuf);
LED_Toggle();
Status = sl_SendTo(SockID, uBuf, BUF_SIZE, 0,
(SlSockAddr_t *)&Addr, AddrSize);
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 25); // 80ms
if( Status <= 0 ){
UARTprintf("SockIDerror %d ",Status);
}else{
UARTprintf("ok");
}
}
sl_Close(SockID);
}
}
}
}
//*****************************************************************************
//
//! 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;
}
//****************************************************************************
// MAIN FUNCTION
//****************************************************************************
int main(void)
{
long lRetVal;
char cCmdBuff[20];
signed char cCmd = APP_SLEEP;
SlSockAddrIn_t sAddr;
SlSockAddrIn_t sLocalAddr;
SlSockAddrIn_t sBrdAddr;
int iCounter;
int iAddrSize;
int iSockID;
int iStatus;
long lLoopCount = 0;
short sTestBufLen;
struct SlTimeval_t timeVal;
//
// Board Initialization
//
BoardInit();
//
// uDMA Initialization
//
UDMAInit();
//
// Configure the pinmux settings for the peripherals exercised
// Note: pinmux has been modified after the output from pin mux tools
// to enable sleep clk for the peripherals exercised
//
PinMuxConfig();
//
// Initialize the platform
//
platform_init();
//
// Initialise the UART terminal
//
InitTerm();
//
// Display banner
//
DisplayBanner();
//
// starting the simplelink
//
lRetVal = sl_Start(NULL, NULL, NULL);
if (lRetVal < 0)
{
UART_PRINT("Failed to start the device \n\r");
LOOP_FOREVER();
}
//
// Swtich to STA mode if device is not
//
SwitchToStaMode(lRetVal);
//
// set connection policy
//
sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(0, 0, 0, 0, 0), NULL, 0);
//
// Set the power management policy of NWP
//
lRetVal = sl_WlanPolicySet(SL_POLICY_PM, SL_NORMAL_POLICY, NULL, 0);
UART_PRINT("Trying to Connect to AP: %s ...\r\n",SSID_NAME);
//
//Connecting to WLAN AP
//
lRetVal = WlanConnect();
if(lRetVal < 0)
{
UART_PRINT("Failed to establish connection w/ an AP \n\r");
LOOP_FOREVER();
}
// filling the buffer
for (iCounter=0 ; iCounter<BUF_SIZE ; iCounter++)
{
g_cBsdBuf[iCounter] = (char)(iCounter % 10);
}
sTestBufLen = BUF_SIZE;
//filling the UDP server socket address
sLocalAddr.sin_family = SL_AF_INET;
sLocalAddr.sin_port = sl_Htons((unsigned short)PORT_NUM);
sLocalAddr.sin_addr.s_addr = 0;
//filling the UDP server socket address
sBrdAddr.sin_family = SL_AF_INET;
sBrdAddr.sin_port = sl_Htons((unsigned short)PORT_NUM);
sBrdAddr.sin_addr.s_addr = sl_Htonl((unsigned int)g_ulDestinationIp);
iAddrSize = sizeof(SlSockAddrIn_t);
// creating a UDP socket
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
/* setting time out for socket recv */
timeVal.tv_sec = 5; // Seconds
timeVal.tv_usec = 0; // Microseconds. 10000 microseconds resolution
sl_SetSockOpt(iSockID,SL_SOL_SOCKET,SL_SO_RCVTIMEO, (_u8 *)&timeVal, sizeof(timeVal));
// binding the UDP socket to the UDP server address
iStatus = sl_Bind(iSockID, (SlSockAddr_t *)&sLocalAddr, iAddrSize);
if( iStatus < 0 )
{
// error
sl_Close(iSockID);
ASSERT_ON_ERROR(iStatus);
}
//
// setting Apps power policy
//
lp3p0_setup_power_policy(POWER_POLICY_STANDBY);
UART_PRINT("enter one of the following command:\n\r");
UART_PRINT("sleep - for putting the system into LPDS mode\n\r");
UART_PRINT(" GPIO 13 and timer(5 sec) are the wk source configured\n\r");
UART_PRINT("recv - for receiving 1000 UDP packets\n\r");
UART_PRINT("send - for broadcasting 1000 UDP packets\n\r");
do{
UART_PRINT("cmd#");
//
// get cmd over UART
//
GetCmd(cCmdBuff, 20);
//
// parse the command
//
ParseCmd(cCmdBuff, &cCmd);
if(cCmd == APP_SLEEP)
{
//
// set timer and gpio as wake src
//
set_rtc_as_wk_src(WK_LPDS, LPDS_DUR_SEC, false);
set_gpio_as_wk_src(WK_LPDS, GPIO_SRC_WKUP, PRCM_LPDS_FALL_EDGE);
cc_idle_task_pm();
}
else if(cCmd == APP_RECV)
{
lLoopCount = 0;
/// waits for 1000 packets from a UDP client
while (lLoopCount < g_ulPacketCount)
{
iStatus = sl_RecvFrom(iSockID, g_cBsdBuf, sTestBufLen, 0,
( SlSockAddr_t *)&sAddr, (SlSocklen_t*)&iAddrSize );
if( iStatus < 0 )
{
//error
break;
}
lLoopCount++;
}
UART_PRINT("Recieved %u packets successfully \n\r",lLoopCount);
if(lLoopCount != g_ulPacketCount)
{
if(iStatus == SL_EAGAIN)
{
UART_PRINT("timed out\n\r");
}
else
{
UART_PRINT("recv error: %d\n\r", iStatus);
}
}
}
else if(cCmd == APP_SEND)
{
lLoopCount = 0;
// sending 1000 packets to the UDP server
while (lLoopCount < g_ulPacketCount)
{
// sending packet
iStatus = sl_SendTo(iSockID, g_cBsdBuf, sTestBufLen, 0,
(SlSockAddr_t *)&sBrdAddr, iAddrSize);
if( iStatus <= 0 )
{
// error
UART_PRINT("send error\n\r");
break;
}
lLoopCount++;
}
UART_PRINT("Sent %u packets successfully\n\r",lLoopCount);
}
}while(FOREVER);
}
int BsdTcpClient(unsigned short usPort)
{
UART_PRINT("BsdTcpClient\r\n");
while(serverCreatOK == 0) {
//looping till simplelink starts
Z_DelayMS(10);
// ;
UART_PRINT("serverCreatOK == 0 \n\r");
}
UART_PRINT("serverCreatOK == 1\r\n");
int iCounter;
short sTestBufLen;
SlSockAddrIn_t sAddr;
int iAddrSize;
int iSockID;
int iStatus;
long lLoopCount = 0;
long lBytesSent = 0;
long lNonBlocking = 0; //0 :non-blocking,
// filling the buffer
for (iCounter=0 ; iCounter<BUF_SIZE ; iCounter++)
{
g_cBsdBuf[iCounter] = (char)(iCounter % 10);
}
sTestBufLen = BUF_SIZE;
//filling the TCP server socket address
sAddr.sin_family = SL_AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)PORT_NUM);
sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)SL_IPV4_VAL(192,168,2,5));
iAddrSize = sizeof(SlSockAddrIn_t);
// creating a TCP socket
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( iSockID < 0 )
{
// error
return -1;
}
Report("creating a TCP socket yes\r\n");
iStatus = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &lNonBlocking, sizeof(lNonBlocking));
Report("connecting to TCP server\r\n");
// connecting to TCP server
while(0>sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize)){
Report("connecting to TCP server error\r\n");
// vTaskSuspend(clientTaskHandle);
vTaskResume((xTaskHandle)&ServerTaskHandle);
}
/*
iStatus = sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize);
if( iStatus < 0 )
{
// error
return -1;
}
*/
Report("connecting to TCP server yes\r\n");
// sending 1000 packets to the TCP server
while (lLoopCount < 1)
{
// sending packet
iStatus = sl_Send(iSockID, g_cBsdBuf, sTestBufLen, 0 );
/* if( iStatus <= 0 )
{
// error
return -1;
}
*/
vTaskResume((xTaskHandle)&ServerTaskHandle);
lLoopCount++;
lBytesSent += iStatus;
}
//closing the socket after sending 1000 packets
sl_Close(iSockID);
Report("closing the socket after sending 1000 packets\r\n");
//filling the TCP server socket address
sAddr.sin_family = SL_AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)1883);
sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)SL_IPV4_VAL(9,186,88,87));
iAddrSize = sizeof(SlSockAddrIn_t);
// creating a TCP socket
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( iSockID < 0 )
{
// error
return -1;
}
Report("creating a TCP socket yes\r\n");
iStatus = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &lNonBlocking, sizeof(lNonBlocking));
Report("connecting to TCP server\r\n");
// connecting to TCP server
while(0>sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize)){
Report("connecting to TCP server error\r\n");
}
/*
iStatus = sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize);
if( iStatus < 0 )
{
// error
return -1;
}
*/
Report("connecting to TCP server yes\r\n");
//filling the TCP server socket address
sAddr.sin_family = SL_AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)1883);
sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)SL_IPV4_VAL(9,186,88,87));
iAddrSize = sizeof(SlSockAddrIn_t);
// creating a TCP socket
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( iSockID < 0 )
{
// error
return -1;
}
Report("creating a TCP socket yes\r\n");
lNonBlocking =1;
iStatus = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &lNonBlocking, sizeof(lNonBlocking));
Report("connecting to TCP server\r\n");
// connecting to TCP server
while(0>sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize)){
Report("connecting to TCP server error\r\n");
}
/*
iStatus = sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize);
if( iStatus < 0 )
{
// error
return -1;
}
*/
Report("connecting to TCP server yes\r\n");
return 0;
}
//****************************************************************************
//
//! Task function implementing the UDP client and showcasing the hibernate
//! functionality
//!
//! \param none
//!
//! This function
//! 1. Creates a UDP socket
//! 2. Broadcasts a packet on the socket
//! 3. Closes the socket
//! 4. Enters the HIBernate mode
//!
//! \return None.
//
//****************************************************************************
void HIBUDPBroadcastTask(void *pvParameters)
{
int iSocketDesc;
long lRetVal;
struct sockaddr_in sBroadcastAddr;
char pcBroadcastMessage[]="32xx HIB example application";
//
// Check the wakeup source. If first itme entry or wakeup from HIB
//
if(MAP_PRCMSysResetCauseGet() == 0)
{
DisplayBanner(APPNAME);
DBG_PRINT("HIB: Wake up on Power ON\n\r");
}
else if(MAP_PRCMSysResetCauseGet() == PRCM_HIB_EXIT)
{
DBG_PRINT("HIB: Woken up from Hibernate\n\r");
}
else
{
}
GPIO_IF_LedConfigure(LED1);
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
//
// Configure Timer for blinking the LED for IP acquisition
//
LedTimerConfigNStart();
//
//
// Reset The state of the machine
//
Network_IF_ResetMCUStateMachine();
//
// Start the driver
//
lRetVal = Network_IF_InitDriver(ROLE_STA);
if(lRetVal < 0)
{
UART_PRINT("Failed to start SimpleLink Device\n\r");
LOOP_FOREVER();
}
// 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 AP failed\n\r",lRetVal);
LOOP_FOREVER();
}
//
// Disable the LED blinking Timer as Device is connected to AP
//
LedTimerDeinitStop();
//
// Switch ON RED LED to indicate that Device acquired an IP
//
GPIO_IF_LedOn(MCU_IP_ALLOC_IND);
//
// Create UDP socket
//
iSocketDesc = sl_Socket(AF_INET, SOCK_DGRAM, 0);
if(iSocketDesc < 0)
{
DBG_PRINT("HIB: Socket create failed\n\r");
goto end;
}
DBG_PRINT("HIB: Socket created\n\r");
//
// Assign socket structure values for a braodcast message
//
sBroadcastAddr.sin_family = AF_INET;
sBroadcastAddr.sin_addr.s_addr= sl_Htonl(0xFFFFFFFF);
sBroadcastAddr.sin_port= sl_Htons(APP_UDP_PORT);
//
// Broadcast message
//
lRetVal = sendto(iSocketDesc, (char *)&pcBroadcastMessage[0],
sizeof(pcBroadcastMessage), 0,
(struct sockaddr *)&sBroadcastAddr,sizeof(sBroadcastAddr));
if(lRetVal < 0)
{
ERR_PRINT(lRetVal);
LOOP_FOREVER();
}
UNUSED(lRetVal);
DBG_PRINT("HIB: sent message\n\r");
//
// Close the socket
//
close(iSocketDesc);
DBG_PRINT("HIB: Socket closed\n\r");
//
// Stop the driver
//
lRetVal = Network_IF_DeInitDriver();
if(lRetVal < 0)
{
UART_PRINT("Failed to stop SimpleLink Device\n\r");
LOOP_FOREVER();
}
//
// Switch Off RED & Green LEDs to indicate that Device is
// disconnected from AP and Simplelink is shutdown
//
GPIO_IF_LedOff(MCU_IP_ALLOC_IND);
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
//
// Enter HIB here configuring the wakeup-timer
//
EnterHIBernate();
end:
DBG_PRINT("HIB: Test Complete\n\r");
//
// Loop here
//
LOOP_FOREVER();
}
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);
}
}
int main(void)
{
UINT8 IsDHCP = 0;
int32_t i32CommandStatus;
_NetCfgIpV4Args_t ipV4;
SlSockAddrIn_t Addr;
UINT16 AddrSize = 0;
INT16 SockID = 0;
UINT32 data;
long x = 0; //counter
unsigned char len = sizeof(_NetCfgIpV4Args_t);
int Status = 0;
/* Stop WDT */
stopWDT();
/* Initialize the system clock of MCU */
initClk();
Board_Init(); // initialize LaunchPad I/O and PD1 LED
ConfigureUART(); // Initialize the UART.
UARTprintf("Section 11.4 IoT example, Volume 2 Real-time interfacing\n");
UARTprintf("This application is configured to generate text\n");
UARTprintf(" and send UDP packets to IP: %d.%d.%d.%d Port: %d\n\n",
SL_IPV4_BYTE(IP_ADDR,3), SL_IPV4_BYTE(IP_ADDR,2),
SL_IPV4_BYTE(IP_ADDR,1), SL_IPV4_BYTE(IP_ADDR,0),PORT_NUM);
//added code from the powerpoint slide
/* Initializing the CC3100 device */
sl_Start(0, 0, 0);
/* Connecting to WLAN AP - Set with static parameters defined at the top
After this call we will be connected and have IP address */
WlanConnect();
/* Read the IP parameter */
sl_NetCfgGet(SL_IPV4_STA_P2P_CL_GET_INFO,&IsDHCP,&len,(unsigned char *)&ipV4);
UARTprintf("This node is at IP: %d.%d.%d.%d\n", SL_IPV4_BYTE(ipV4.ipV4,3), SL_IPV4_BYTE(ipV4.ipV4,2), SL_IPV4_BYTE(ipV4.ipV4,1), SL_IPV4_BYTE(ipV4.ipV4,0));
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons((UINT16)PORT_NUM);
Addr.sin_addr.s_addr = sl_Htonl((UINT32)IP_ADDR);
AddrSize = sizeof(SlSockAddrIn_t);
SockID = sl_Socket(SL_AF_INET,SL_SOCK_DGRAM, 0);
// Loop forever waiting for commands from PC...
//
while(1)
{
// Print prompt for user.
UARTprintf("\n>");
// Peek to see if a full command is ready for processing.
while(UARTPeek('\r') == -1)
LED_On();
// Approximately 1 millisecond delay.
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 3000);
}
// A '\r' was detected so get the line of text from the receive buffer.
while(Status >= 0){
UARTprintf("\nSending a UDP packet ...\n");
UARTgets(g_cInput,sizeof(g_cInput)); //this function receives the input from the Putty and places it in a string
//DO NOT CHANGE ANYTHING ABOVE THIS COMMENT
//WHAT WE NEED TO DO:
//work with the g_cInput to get the array of letters typed into the Putty
//then send that Array using UARTprintf
uBuf[0] = ATYPE; // defines this as an analog data type
uBuf[1] = '=';
data = 1000;
Int2Str(data,(char*)&uBuf[2]); // [2] to [7] is 6 digit number
UARTprintf(" %s ",uBuf); //this line sends a string to the receiver
//the above 5 lines print out a = 1000;
//everything below this is just error cases
if( SockID < 0 ){
UARTprintf("SockIDerror ");
Status = -1; // error
}else{
LED_Toggle();
Status = sl_SendTo(SockID, uBuf, BUF_SIZE, 0,
(SlSockAddr_t *)&Addr, AddrSize);
if( Status <= 0 ){
sl_Close(SockID);
UARTprintf("SockIDerror %d ",Status);
}else{
UARTprintf("ok");
}
}
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 100); // 10ms
LED_Off();
}
}
int main(int argc, char** argv)
{
SlSockAddrIn_t Addr = {0};
_u32 cipher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_SHA;
_u32 googleIP = 0;
_u8 method = SL_SO_SEC_METHOD_SSLV3;
_i32 AddrSize = -1;
_i32 g_SockID = -1;
_i32 retVal = -1;
retVal = initializeAppVariables();
ASSERT_ON_ERROR(retVal);
/* Stop WDT and initialize the system-clock of the MCU
These functions needs to be implemented in PAL */
stopWDT();
initClk();
/* Configure command line interface */
CLI_Configure();
displayBanner();
/*
* Following function configures 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 application
*
* Note that all profiles and persistent settings that were done on the
* device will be lost
*/
retVal = configureSimpleLinkToDefaultState();
if(retVal < 0)
{
if (DEVICE_NOT_IN_STATION_MODE == retVal)
{
CLI_Write(" Failed to configure the device in its default state \n\r");
}
LOOP_FOREVER();
}
CLI_Write(" 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
*/
/* Initializing the CC3100 device */
retVal = sl_Start(0, 0, 0);
if ((retVal < 0) ||
(ROLE_STA != retVal) )
{
CLI_Write(" Failed to start the device \n\r");
LOOP_FOREVER();
}
CLI_Write(" Device started as STATION \n\r");
/* Connecting to WLAN AP - Set with static parameters defined at the top
After this call we will be connected and have IP address */
retVal = establishConnectionWithAP();
if(retVal < 0)
{
CLI_Write(" Failed to establish connection w/ an AP \n\r");
LOOP_FOREVER();
}
CLI_Write(" Connection established w/ AP and IP is acquired \n\r");
/* Update the CC3100 time */
retVal = SetTime();
if (retVal < 0)
{
CLI_Write(" Failed to set the device time \n\r");
LOOP_FOREVER();
}
CLI_Write(" Establishing secure connection w/ google server \n\r");
/* get the server name via a DNS request */
retVal = sl_NetAppDnsGetHostByName(g_Google, pal_Strlen(g_Google),
&googleIP, SL_AF_INET);
if( retVal < 0 )
{
CLI_Write(" Failed to get the IP address \n\r");
LOOP_FOREVER();
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(GOOGLE_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(googleIP);
AddrSize = sizeof(SlSockAddrIn_t);
/* opens a secure socket */
g_SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( g_SockID < 0 )
{
CLI_Write(" Failed to open socket \n\r");
LOOP_FOREVER();
}
/* configure the socket as SSLV3.0 */
retVal = sl_SetSockOpt(g_SockID, SL_SOL_SOCKET, SL_SO_SECMETHOD,
&method, sizeof(method));
if( retVal < 0 )
{
CLI_Write(" Failed to configure the socket \n\r");
LOOP_FOREVER();
}
/* configure the socket as RSA with RC4 128 SHA */
retVal = sl_SetSockOpt(g_SockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK,
&cipher, sizeof(cipher));
if( retVal < 0 )
{
CLI_Write(" Failed to configure the socket \n\r");
LOOP_FOREVER();
}
/* configure the socket with GOOGLE CA certificate-for server verification*/
retVal = sl_SetSockOpt(g_SockID, SL_SOL_SOCKET, SL_SO_SECURE_FILES_CA_FILE_NAME,
SL_SSL_CA_CERT, pal_Strlen(SL_SSL_CA_CERT));
if( retVal < 0 )
{
CLI_Write(" Failed to configure the socket \n\r");
LOOP_FOREVER();
}
/* connect to the peer device - GMail server */
retVal = sl_Connect(g_SockID, ( SlSockAddr_t *)&Addr, AddrSize);
if (retVal < 0 )
{
CLI_Write(" Failed to connect w/ google server \n\r");
LOOP_FOREVER();
}
CLI_Write(" Connection w/ google server established successfully \n\r");
/* Stop the CC3100 device */
retVal = sl_Stop(SL_STOP_TIMEOUT);
if(retVal < 0)
LOOP_FOREVER();
return 0;
}
/****************************************************************************
//
//! \brief Opening a TCP client side socket and sending data
//!
//! This function opens a TCP socket and tries to connect to a Server IP_ADDR
//! waiting on port PORT_NUM.
//! If the socket connection is successful then the function will send 1000
//! TCP packets to the server.
//!
//! \param[in] port number on which the server will be listening on
//!
//! \return 0 on success, -1 on Error.
//
****************************************************************************/
int BsdTcpClient(unsigned short usPort)
{
int iCounter;
short sTestBufLen;
SlSockAddrIn_t sAddr;
int iAddrSize;
int iSockID;
int iStatus;
unsigned long lLoopCount = 0;
long lBytesSent = 0;
// filling the buffer
for (iCounter=0 ; iCounter<BUF_SIZE ; iCounter++)
{
g_cBsdBuf[iCounter] = (char)(iCounter % 10);
}
sTestBufLen = BUF_SIZE;
//filling the TCP server socket address
sAddr.sin_family = SL_AF_INET;
// sAddr.sin_port = usPort;
// sAddr.sin_addr.s_addr = IP_ADDR ;
sAddr.sin_port = sl_Htons((unsigned short)usPort);
sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)IP_ADDR);
iAddrSize = sizeof(SlSockAddrIn_t);
// creating a TCP socket
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( iSockID < 0 )
{
UART_PRINT("error at creating a TCP socket ! \n\r");
// error
return -1;
}
UART_PRINT("iSockID :");
Z_NumDispaly(iSockID, 2);
// connecting to TCP server
iStatus = sl_Connect(iSockID, ( SlSockAddr_t *)&sAddr, iAddrSize);
if( iStatus < 0 )
{
UART_PRINT("error at connecting to TCP server ! \n\r");
// error
return -1;
}
UART_PRINT(" connected to TCP server ok! \n\r");
// sending 1000 packets to the TCP server
while (lLoopCount < 1000)
{
// sending packet
iStatus = sl_Send(iSockID, g_cBsdBuf, sTestBufLen, 0 );
if( iStatus <= 0 )
{
UART_PRINT("error at sending packet");
Z_NumDispaly(lLoopCount,2);
// error
return -1;
}
lLoopCount++;
lBytesSent += iStatus;
}
//closing the socket after sending 1000 packets
sl_Close(iSockID);
return 0;
}