//****************************************************************************
//
//! 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();
}
//****************************************************************************
//
//! Task function implementing the TCP server and showcasing the
//! deepsleep functionality
//!
//! \param none
//!
//! This function
//! 1. Creates a TCP socket and binds to it
//! 2. Listens on the socket
//! 3. Accepts a client connection
//! 4. Receives a packet on the socket
//! 5. Closes the socket
//!
//! \return None.
//
//****************************************************************************
void TCPServerTask(void *pvParameters)
{
int iSocketDesc, iClientFD;
long lRetVal = -1;
struct sockaddr_in sClientAddr;
int iRecvLen;
unsigned short usClientAddrLen = sizeof(sClientAddr);
unsigned char aucRecvBuffer[MAX_BUF];
DisplayBanner(APPLICATION_NAME);
DBG_PRINT("DEEPSLEEP: Test Begin\n\r");
//
// GPIO Configuration
//
GPIO_IF_LedConfigure(LED1|LED3);
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
//
// Start the driver
//
lRetVal = Network_IF_InitDriver(ROLE_STA);
if(lRetVal < 0)
{
UART_PRINT("Failed to start SimpleLink Device\n\r");
LOOP_FOREVER();
}
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
LedTimerConfigNStart();
// 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)
{
Report("Connection to AP failed\n\r");
GPIO_IF_LedOff(MCU_IP_ALLOC_IND);
LOOP_FOREVER();
}
LedTimerDeinitStop();
//
// Switch ON RED LED to indicate that Device acquired an IP
//
GPIO_IF_LedOn(MCU_IP_ALLOC_IND);
//
// Create and Bind TCP server socket
//
iSocketDesc = CreateTCPServerSocket(APP_TCP_PORT);
if(iSocketDesc < 0)
{
DBG_PRINT("DEEPSLEEP: Socket create failed\n");
goto end;
}
DBG_PRINT("DEEPSLEEP: Socket created\n\r");
DBG_PRINT("DEEPSLEEP: Listening on Socket...\n\r");
//
// Start Listening on the socket
//
if( listen(iSocketDesc, 5) != 0)
{
DBG_PRINT("DEEPSLEEP: Listen failed\n\r");
goto end;
}
while(FOREVER)
{
//
// Accept new client connections (Here just one)
//
DBG_PRINT("DEEPSLEEP: Waiting for client.......\n\r");
iClientFD = accept(iSocketDesc,
(struct sockaddr*)&sClientAddr,
&usClientAddrLen);
if(iClientFD < 0)
{
ERR_PRINT(iClientFD);
break;
}
DBG_PRINT("DEEPSLEEP: Connected to client [0x%x] \n\r",
htonl(sClientAddr.sin_addr.s_addr));
do
{
//
// Receive on the socket
//
iRecvLen = recv(iClientFD,aucRecvBuffer,MAX_BUF,0);
if(iRecvLen > 0)
{
DBG_PRINT("DEEPSLEEP: received %d bytes\n\r", iRecvLen);
DBG_PRINT("DEEPSLEEP: received message : %s\n\r", aucRecvBuffer);
}
else
{
ERR_PRINT(iRecvLen);
break;
}
}while(iRecvLen > 0);
//
// Close the client descriptor
//
close(iClientFD);
}
end:
//
// Close the socket. Commented as not expected to reach here
//
close(iSocketDesc);
//
// 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);
DBG_PRINT("DEEPSLEEP: Test Complete\n\r");
//
// Loop here
//
LOOP_FOREVER();
}
//****************************************************************************
//
//! Task function implementing the gettime functionality using an NTP server
//!
//! \param none
//!
//! This function
//! 1. Initializes the required peripherals
//! 2. Initializes network driver and connects to the default AP
//! 3. Creates a UDP socket, gets the NTP server IP address using DNS
//! 4. Periodically gets the NTP time and displays the time
//!
//! \return None.
//
//****************************************************************************
void GetNTPTimeTask(void *pvParameters)
{
int iSocketDesc;
long lRetVal = -1;
UART_PRINT("GET_TIME: Test Begin\n\r");
//
// Configure LED
//
GPIO_IF_LedConfigure(LED1|LED3);
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
//
// 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",lRetVal);
LOOP_FOREVER();
}
// switch on Green LED to indicate Simplelink is properly up
GPIO_IF_LedOn(MCU_ON_IND);
// Start Timer to blink Red LED till AP connection
LedTimerConfigNStart();
// Initialize AP security params
SecurityParams.Key = (signed char *)SECURITY_KEY;
SecurityParams.KeyLen = strlen(SECURITY_KEY);
SecurityParams.Type = SECURITY_TYPE;
//
// Connect to the Access Point
//
lRetVal = Network_IF_ConnectAP(SSID_NAME, SecurityParams);
if(lRetVal < 0)
{
UART_PRINT("Connection to an AP failed\n\r");
LOOP_FOREVER();
}
//
// 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, IPPROTO_UDP);
if(iSocketDesc < 0)
{
ERR_PRINT(iSocketDesc);
goto end;
}
g_sAppData.iSockID = iSocketDesc;
UART_PRINT("Socket created\n\r");
//
// Get the NTP server host IP address using the DNS lookup
//
lRetVal = Network_IF_GetHostIP((char*)g_acSNTPserver, \
&g_sAppData.ulDestinationIP);
if( lRetVal >= 0)
{
struct SlTimeval_t timeVal;
timeVal.tv_sec = SERVER_RESPONSE_TIMEOUT; // Seconds
timeVal.tv_usec = 0; // Microseconds. 10000 microseconds resolution
lRetVal = sl_SetSockOpt(g_sAppData.iSockID,SL_SOL_SOCKET,SL_SO_RCVTIMEO,\
(unsigned char*)&timeVal, sizeof(timeVal));
if(lRetVal < 0)
{
ERR_PRINT(lRetVal);
LOOP_FOREVER();
}
while(1)
{
//
// Get the NTP time and display the time
//
lRetVal = GetSNTPTime(GMT_DIFF_TIME_HRS, GMT_DIFF_TIME_MINS);
if(lRetVal < 0)
{
UART_PRINT("Server Get Time failed\n\r");
break;
}
//
// Wait a while before resuming
//
MAP_UtilsDelay(SLEEP_TIME);
}
}
else
{
UART_PRINT("DNS lookup failed. \n\r");
}
//
// Close the socket
//
close(iSocketDesc);
UART_PRINT("Socket closed\n\r");
end:
//
// 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);
UART_PRINT("GET_TIME: Test Complete\n\r");
//
// Loop here
//
LOOP_FOREVER();
}
