/*
* Application's entry point
*/
int main(int argc, char** argv)
{
_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");
/* Set the power policy to always On (SL_ALWAYS_ON_POLICY)
* Both NWP and Wifi will remain active
* Other Valid options are:
* - SL_NORMAL_POLICY
* - SL_LOW_POWER_POLICY
* - SL_LONG_SLEEP_INTERVAL_POLICY
*
* For Long sleep policy the max sleep time can be defined by
* _u16 pBuff[4] = {0, 0, time, 0}, time:100-2000 in ms
* sl_WlanPolicySet(SL_POLICY_PM , SL_LONG_SLEEP_INTERVAL_POLICY, pBuff, sizeof(pBuff)*/
retVal = sl_WlanPolicySet(SL_POLICY_PM , SL_ALWAYS_ON_POLICY, NULL,0);
if(retVal < 0)
LOOP_FOREVER();
CLI_Write(" Power mode enabled \n\r");
/* Stop the CC3100 device */
retVal = sl_Stop(SL_STOP_TIMEOUT);
if(retVal < 0)
LOOP_FOREVER();
return 0;
}
//****************************************************************************
//
//! \brief Obtain the file from the server
//!
//! This function requests the file from the server and save it on serial flash.
//! To request a different file for different user needs to modify the
//! PREFIX_BUFFER macros.
//!
//! \param[in] cli - Instance of the HTTP connection
//!
//! \return 0 for success and negative for error
//
//****************************************************************************
static int GetData(HTTPCli_Handle cli)
{
long lRetVal = 0;
long fileHandle = -1;
unsigned long Token = 0;
int id;
int len=0;
bool moreFlag = 0;
HTTPCli_Field fields[3] = {
{HTTPCli_FIELD_NAME_HOST, HOST_NAME},
{HTTPCli_FIELD_NAME_ACCEPT, "text/html, application/xhtml+xml, */*"},
{NULL, NULL}
};
const char *ids[4] = {
HTTPCli_FIELD_NAME_CONTENT_LENGTH,
HTTPCli_FIELD_NAME_TRANSFER_ENCODING,
HTTPCli_FIELD_NAME_CONNECTION,
NULL
};
UART_PRINT("Start downloading the file\r\n");
// Set request fields
HTTPCli_setRequestFields(cli, fields);
memset(g_buff, 0, sizeof(g_buff));
// Make HTTP 1.1 GET request
lRetVal = HTTPCli_sendRequest(cli, HTTPCli_METHOD_GET, PREFIX_BUFFER, 0);
if (lRetVal < 0)
{
// error
ASSERT_ON_ERROR(TCP_SEND_ERROR);
}
// Test getResponseStatus: handle
lRetVal = HTTPCli_getResponseStatus(cli);
if (lRetVal != 200)
{
FlushHTTPResponse(cli);
if(lRetVal == 404)
{
ASSERT_ON_ERROR(FILE_NOT_FOUND_ERROR);
}
ASSERT_ON_ERROR(INVALID_SERVER_RESPONSE);
}
HTTPCli_setResponseFields(cli, ids);
// Read response headers
while ((id = HTTPCli_getResponseField(cli, (char *)g_buff, sizeof(g_buff), &moreFlag))
!= HTTPCli_FIELD_ID_END)
{
if(id == 0)
{
UART_PRINT("Content length: %s\n\r", g_buff);
}
else if(id == 1)
{
if(!strncmp((const char *)g_buff, "chunked", sizeof("chunked")))
{
UART_PRINT("Chunked transfer encoding\n\r");
}
}
else if(id == 2)
{
if(!strncmp((const char *)g_buff, "close", sizeof("close")))
{
ASSERT_ON_ERROR(FORMAT_NOT_SUPPORTED);
}
}
}
// Open file to save the downloaded file
lRetVal = sl_FsOpen((_u8 *)FILE_NAME, FS_MODE_OPEN_WRITE, &Token, &fileHandle);
if(lRetVal < 0)
{
// File Doesn't exit create a new of 40 KB file
lRetVal = sl_FsOpen((unsigned char *)FILE_NAME, \
FS_MODE_OPEN_CREATE(SIZE_40K, \
_FS_FILE_OPEN_FLAG_COMMIT|_FS_FILE_PUBLIC_WRITE),
&Token, &fileHandle);
ASSERT_ON_ERROR(lRetVal);
}
while(1)
{
len = HTTPCli_readResponseBody(cli, (char *)g_buff, sizeof(g_buff) - 1, &moreFlag);
if(len < 0)
{
// Close file without saving
lRetVal = sl_FsClose(fileHandle, 0, (unsigned char*) "A", 1);
return lRetVal;
}
lRetVal = sl_FsWrite(fileHandle, bytesReceived,
(unsigned char *)g_buff, len);
if(lRetVal < len)
{
UART_PRINT("Failed during writing the file, Error-code: %d\r\n", \
FILE_WRITE_ERROR);
// Close file without saving
lRetVal = sl_FsClose(fileHandle, 0, (unsigned char*) "A", 1);
return lRetVal;
}
bytesReceived +=len;
if ((len - 2) >= 0 && g_buff[len - 2] == '\r' && g_buff [len - 1] == '\n'){
break;
}
if(!moreFlag)
{
break;
}
}
//
// If user file has checksum which can be used to verify the temporary
// file then file should be verified
// In case of invalid file (FILE_NAME) should be closed without saving to
// recover the previous version of file
//
// Save and close file
UART_PRINT("Total bytes received: %d\n\r", bytesReceived);
lRetVal = sl_FsClose(fileHandle, 0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
return SUCCESS;
}
//*****************************************************************************
//! \brief This function puts the device in its default state. It:
//! - Set the mode to STATION
//! - Configures connection policy to Auto and AutoSmartConfig
//! - Deletes all the stored profiles
//! - Enables DHCP
//! - Disables Scan policy
//! - Sets Tx power to maximum
//! - Sets power policy to normal
//! - Unregister mDNS services
//! - Remove all filters
//!
//! \param none
//! \return On success, zero is returned. On error, negative is returned
//*****************************************************************************
static long ConfigureSimpleLinkToDefaultState()
{
SlVersionFull ver = {0};
_WlanRxFilterOperationCommandBuff_t RxFilterIdMask = {0};
unsigned char ucVal = 1;
unsigned char ucConfigOpt = 0;
unsigned char ucConfigLen = 0;
unsigned char ucPower = 0;
long lRetVal = -1;
long lMode = -1;
lMode = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(lMode);
// If the device is not in station-mode, try configuring it in station-mode
if (ROLE_STA != lMode)
{
if (ROLE_AP == lMode)
{
// If the device is in AP mode, we need to wait for this event
// before doing anything
while(!IS_IP_ACQUIRED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
// Switch to STA role and restart
lRetVal = sl_WlanSetMode(ROLE_STA);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Stop(0xFF);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
// Check if the device is in station again
if (ROLE_STA != lRetVal)
{
// We don't want to proceed if the device is not coming up in STA-mode
return DEVICE_NOT_IN_STATION_MODE;
}
}
// Get the device's version-information
ucConfigOpt = SL_DEVICE_GENERAL_VERSION;
ucConfigLen = sizeof(ver);
lRetVal = sl_DevGet(SL_DEVICE_GENERAL_CONFIGURATION, &ucConfigOpt,
&ucConfigLen, (unsigned char *)(&ver));
ASSERT_ON_ERROR(lRetVal);
UART_PRINT("Host Driver Version: %s\n\r",SL_DRIVER_VERSION);
UART_PRINT("Build Version %d.%d.%d.%d.31.%d.%d.%d.%d.%d.%d.%d.%d\n\r",
ver.NwpVersion[0],ver.NwpVersion[1],ver.NwpVersion[2],ver.NwpVersion[3],
ver.ChipFwAndPhyVersion.FwVersion[0],ver.ChipFwAndPhyVersion.FwVersion[1],
ver.ChipFwAndPhyVersion.FwVersion[2],ver.ChipFwAndPhyVersion.FwVersion[3],
ver.ChipFwAndPhyVersion.PhyVersion[0],ver.ChipFwAndPhyVersion.PhyVersion[1],
ver.ChipFwAndPhyVersion.PhyVersion[2],ver.ChipFwAndPhyVersion.PhyVersion[3]);
// Set connection policy to Auto + SmartConfig
// (Device's default connection policy)
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
ASSERT_ON_ERROR(lRetVal);
// Remove all profiles
lRetVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(lRetVal);
//
// Device in station-mode. Disconnect previous connection if any
// The function returns 0 if 'Disconnected done', negative number if already
// disconnected Wait for 'disconnection' event if 0 is returned, Ignore
// other return-codes
//
lRetVal = sl_WlanDisconnect();
if(0 == lRetVal)
{
// Wait
while(IS_CONNECTED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
// Enable DHCP client
lRetVal = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&ucVal);
ASSERT_ON_ERROR(lRetVal);
// Disable scan
ucConfigOpt = SL_SCAN_POLICY(0);
lRetVal = sl_WlanPolicySet(SL_POLICY_SCAN , ucConfigOpt, NULL, 0);
ASSERT_ON_ERROR(lRetVal);
// Set Tx power level for station mode
// Number between 0-15, as dB offset from max power - 0 will set max power
ucPower = 0;
lRetVal = sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID,
WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *)&ucPower);
ASSERT_ON_ERROR(lRetVal);
// Set PM policy to normal
lRetVal = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
ASSERT_ON_ERROR(lRetVal);
// Unregister mDNS services
lRetVal = sl_NetAppMDNSUnRegisterService(0, 0);
ASSERT_ON_ERROR(lRetVal);
// Remove all 64 filters (8*8)
memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
lRetVal = sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask,
sizeof(_WlanRxFilterOperationCommandBuff_t));
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Stop(SL_STOP_TIMEOUT);
ASSERT_ON_ERROR(lRetVal);
InitializeAppVariables();
return lRetVal; // Success
}
//*****************************************************************************
//
//! Network_IF_InitDriver
//! The function initializes a CC3200 device and triggers it to start operation
//!
//! \param uiMode (device mode in which device will be configured)
//!
//! \return 0 : sucess, -ve : failure
//
//*****************************************************************************
long
Network_IF_InitDriver(unsigned int uiMode)
{
long lRetVal = -1;
// Reset CC3200 Network State Machine
InitializeAppVariables();
//
// Following function configure the device to default state by cleaning
// the persistent settings stored in NVMEM (viz. connection profiles &
// policies, power policy etc)
//
// Applications may choose to skip this step if the developer is sure
// that the device is in its default state at start of application
//
// Note that all profiles and persistent settings that were done on the
// device will be lost
//
lRetVal = ConfigureSimpleLinkToDefaultState();
if(lRetVal < 0)
{
if (DEVICE_NOT_IN_STATION_MODE == lRetVal)
UART_PRINT("Failed to configure the device in its default state \n\r");
LOOP_FOREVER();
}
UART_PRINT("Device is configured in default state \n\r");
//
// Assumption is that the device is configured in station mode already
// and it is in its default state
//
lRetVal = sl_Start(NULL,NULL,NULL);
if (lRetVal < 0 || lRetVal != ROLE_STA)
{
UART_PRINT("Failed to start the device \n\r");
LOOP_FOREVER();
}
UART_PRINT("Started SimpleLink Device: STA Mode\n\r");
if(uiMode == ROLE_AP)
{
UART_PRINT("Switching to AP mode on application request\n\r");
// Switch to AP role and restart
lRetVal = sl_WlanSetMode(uiMode);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Stop(0xFF);
lRetVal = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
// Check if the device is up in AP Mode
if (ROLE_AP == lRetVal)
{
// If the device is in AP mode, we need to wait for this event
// before doing anything
while(!IS_IP_ACQUIRED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#else
osi_Sleep(1);
#endif
}
}
else
{
// We don't want to proceed if the device is not coming up in AP-mode
ASSERT_ON_ERROR(DEVICE_NOT_IN_AP_MODE);
}
UART_PRINT("Re-started SimpleLink Device: AP Mode\n\r");
}
else if(uiMode == ROLE_P2P)
{
UART_PRINT("Switching to P2P mode on application request\n\r");
// Switch to AP role and restart
lRetVal = sl_WlanSetMode(uiMode);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_Stop(0xFF);
lRetVal = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
// Check if the device is in station again
if (ROLE_P2P != lRetVal)
{
// We don't want to proceed if the device is not coming up in P2P-mode
ASSERT_ON_ERROR(DEVICE_NOT_IN_P2P_MODE);
}
UART_PRINT("Re-started SimpleLink Device: P2P Mode\n\r");
}
else
{
// Device already started in STA-Mode
}
return 0;
}
/*
* Application's entry point
*/
int main(int argc, char** argv)
{
SlSecParams_t secParams = {0};
_i32 retVal = -1;
retVal = initializeAppVariables();
ASSERT_ON_ERROR(retVal);
/* Stop WDT and initialize the system-clock of the MCU */
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");
/*
* Initializing the CC3100 device
* Assumption is that the device is configured in station mode already
* and it is in its default state
*/
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");
/* Delete all profiles (0xFF) stored and reset policy settings */
retVal = sl_WlanProfileDel(0xFF);
if(retVal < 0)
{
LOOP_FOREVER();
}
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION ,
SL_CONNECTION_POLICY(0, 0, 0, 0, 0), 0, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
/* Add unsecured AP profile with priority 6 (7 is highest) */
retVal = sl_WlanProfileAdd((_i8 *)UNSEC_SSID_NAME,
pal_Strlen(UNSEC_SSID_NAME), g_BSSID, 0, 0, 6, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
/* Add WPA2 secured AP profile with priority 7 (highest) */
secParams.Type = SL_SEC_TYPE_WPA;
secParams.Key = SEC_SSID_KEY;
secParams.KeyLen = pal_Strlen(SEC_SSID_KEY);
retVal = sl_WlanProfileAdd((_i8 *)SEC_SSID_NAME,
pal_Strlen(SEC_SSID_NAME), g_BSSID, &secParams, 0, 7, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
/*
* Enable auto connect (connection to stored profiles according to priority)
* Connection should first be established to higher (secured) profile as in
* this example
*/
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION ,
SL_CONNECTION_POLICY(1,0,0,0,0), 0, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
/* Wait for the connection to be established */
while((!IS_CONNECTED(g_Status)) || (!IS_IP_ACQUIRED(g_Status))) { _SlNonOsMainLoopTask(); }
CLI_Write(" Device connected to the AP using 'auto' connection policy\n\r");
/* Delete all profiles (0xFF) stored */
retVal = sl_WlanProfileDel(0xFF);
if(retVal < 0)
{
LOOP_FOREVER();
}
g_Status = 0;
/* Restart the device */
retVal = sl_Stop(SL_STOP_TIMEOUT);
if(retVal < 0)
{
LOOP_FOREVER();
}
retVal = sl_Start(0, 0, 0);
if ((retVal < 0) ||
(ROLE_STA != retVal) )
{
CLI_Write(" Failed to start the device \n\r");
LOOP_FOREVER();
}
/*
* Set connection policy to Fast - Device will connect to the last connected AP.
* This feature can be used to reconnect to AP
*/
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1, 1, 0, 0, 0), 0, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
/* Connect to the open AP */
retVal = establishConnectionWithAP();
if(retVal < 0)
{
CLI_Write(" Failed to establish connection w/ an AP \n\r");
LOOP_FOREVER();
}
CLI_Write(" Device was connected to the AP using host-driver API \n\r");
g_Status = 0; /* Status variable */
/* Restart the Device */
retVal = sl_Stop(SL_STOP_TIMEOUT);
if(retVal < 0)
{
LOOP_FOREVER();
}
retVal = sl_Start(0, 0, 0);
if ((retVal < 0) ||
(ROLE_STA != retVal) )
{
CLI_Write(" Failed to start the device \n\r");
LOOP_FOREVER();
}
/* Wait for the connection to be established */
while((!IS_CONNECTED(g_Status)) || (!IS_IP_ACQUIRED(g_Status))) { _SlNonOsMainLoopTask(); }
CLI_Write(" Device connected to the AP using 'fast' connection policy\n\r");
/* Delete all profiles (0xFF) stored */
retVal = sl_WlanProfileDel(0xFF);
if(retVal < 0)
{
LOOP_FOREVER();
}
/* Set Auto SmartConfig policy */
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION , SL_CONNECTION_POLICY(1,0,0,0,1), 0, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
/* Restart the Device */
g_Status = 0;
retVal = sl_Stop(SL_STOP_TIMEOUT);
if(retVal < 0)
{
LOOP_FOREVER();
}
retVal = sl_Start(0, 0, 0);
if ((retVal < 0) ||
(ROLE_STA != retVal) )
{
CLI_Write(" Failed to start the device \n\r");
LOOP_FOREVER();
}
/*
* After restarting , device will wait for a command for 2 second and start
* the SmartConfig process if no command is received
*/
CLI_Write(" Device waiting to be connected using SmartConfig technology \n\r");
while((!IS_CONNECTED(g_Status)) || (!IS_IP_ACQUIRED(g_Status))) { _SlNonOsMainLoopTask(); }
CLI_Write(" Device connected to the AP \n\r");
/*
* Cleaning all profiles and setting the default connection policy before exiting the application
* Set connection policy to Auto + SmartConfig (Device's default connection policy)
*/
retVal = sl_WlanProfileDel(0xFF);
if(retVal < 0)
{
LOOP_FOREVER();
}
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
if(retVal < 0)
{
LOOP_FOREVER();
}
return 0;
}
//*****************************************************************************
//
//! \brief Connecting to a WLAN Accesspoint
//! This function connects to the required AP (SSID_NAME).
//! This code example assumes the AP doesn't use WIFI security.
//! The function will return only once we are connected
//! and have acquired IP address
//!
//! \param[in] None
//!
//! \return 0 means success, -1 means failure
//!
//! \note
//!
//! \warning If the WLAN connection fails or we don't aquire an IP address,
//! We will be stuck in this function forever.
//
//*****************************************************************************
int WlanConnect()
{
int iRetCode = 0;
int iRetVal = 0;
int iConnect = 0;
unsigned char ucQueueMsg = 0;
SlSecParams_t secParams;
secParams.Key = (signed char *)SECURITY_KEY;
secParams.KeyLen = strlen((const char *)secParams.Key);
secParams.Type = SECURITY_TYPE;
//
// Set up the watchdog interrupt handler.
//
WDT_IF_Init(WatchdogIntHandler, MILLISECONDS_TO_TICKS(WD_PERIOD_MS));
/* Enabling the Sleep clock for the Watch Dog Timer*/
MAP_PRCMPeripheralClkEnable(PRCM_WDT, PRCM_SLP_MODE_CLK);
g_ucFeedWatchdog = 1;
g_ucWdogCount = 0;
while(!(ucQueueMsg & (EVENT_IP_ACQUIRED|CONNECTION_FAILED)))
{
UART_PRINT("Trying to connect to AP: ");
UART_PRINT(SSID_NAME);
UART_PRINT("\n\r");
sl_WlanConnect((signed char *)SSID_NAME,
strlen((const char *)SSID_NAME), 0, &secParams, 0);
iConnect = 0;
do{
osi_MsgQRead(&g_tConnection, &ucQueueMsg, OSI_WAIT_FOREVER);
switch(ucQueueMsg)
{
case EVENT_CONNECTION:
iConnect = 1;
break;
case EVENT_IP_ACQUIRED:
iRetVal = 0;
break;
case WDOG_EXPIRED:
//
// disconnect from the Access Point
//
if(iConnect)
{
WlanDisconnect();
}
//
// stop the simplelink with reqd. timeout value (30 ms)
//
sl_Stop(SL_STOP_TIMEOUT);
UART_PRINT("sl stop\n\r");
MAP_UtilsDelay(8000);
//
// starting the simplelink
//
sl_Start(NULL, NULL, NULL);
UART_PRINT("sl start\n\r");
break;
case EVENT_DISCONNECTION:
iConnect = 0;
break;
case CONNECTION_FAILED:
iRetVal = -1;
break;
default:
UART_PRINT("unexpected event\n\r");
break;
}
}while(ucQueueMsg == (unsigned char)EVENT_CONNECTION);
}
iRetCode = MAP_WatchdogRunning(WDT_BASE);
if(iRetCode)
{
WDT_IF_DeInit();
MAP_PRCMPeripheralClkDisable(PRCM_WDT, PRCM_RUN_MODE_CLK);
}
ASSERT_ON_ERROR(iRetVal);
return(iRetVal);
}
long ConnectToNetwork()
{
long lRetVal = -1;
unsigned int uiConnectTimeoutCnt =0;
//Start Simplelink Device
lRetVal = sl_Start(NULL,NULL,NULL);
ASSERT_ON_ERROR(lRetVal);
if(lRetVal != ROLE_STA)
{
if (ROLE_AP == lRetVal)
{
// If the device is in AP mode, we need to wait for this event
// before doing anything
while(!IS_IP_ACQUIRED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
//
// Configure to STA Mode
//
lRetVal = ConfigureMode(ROLE_STA);
if(lRetVal !=ROLE_STA)
{
UART_PRINT("Unable to set STA mode...\n\r");
lRetVal = sl_Stop(SL_STOP_TIMEOUT);
CLR_STATUS_BIT_ALL(g_ulStatus);
return DEVICE_NOT_IN_STATION_MODE;
}
}
//waiting for the device to Auto Connect
while(uiConnectTimeoutCnt<AUTO_CONNECTION_TIMEOUT_COUNT &&
((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus))))
{
//Turn Green LED On
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
osi_Sleep(50);
//Turn Green LED Off
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
osi_Sleep(50);
uiConnectTimeoutCnt++;
}
//Couldn't connect Using Auto Profile
if(uiConnectTimeoutCnt==AUTO_CONNECTION_TIMEOUT_COUNT)
{
CLR_STATUS_BIT_ALL(g_ulStatus);
//Turn Green LED On
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
//Connect Using Smart Config
lRetVal = SmartConfigConnect();
ASSERT_ON_ERROR(lRetVal);
//Waiting for the device to Auto Connect
while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus)))
{
MAP_UtilsDelay(500);
}
//Turn Green LED Off
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
}
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;
}
//*****************************************************************************
//
//! 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;
}
//*****************************************************************************
//
//!This function creates rx filters. Two filters are defined in this example:
//!(1) Drop incoming packets according to source MAC address
//!(2) Drop incoming packets according to source IP address
//!
//! \param None
//!
//! \return 0 on success, -1 on failure
//!
//*****************************************************************************
static int CreateFilters()
{
long lRetVal;
SlrxFilterID_t FilterId = 0;
SlrxFilterRuleType_t RuleType;
SlrxFilterFlags_t FilterFlags;
SlrxFilterRule_t Rule;
SlrxFilterTrigger_t Trigger;
SlrxFilterAction_t Action;
unsigned char ucMacMask[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char ucIPMask[4] = {0xFF, 0xFF, 0xFF, 0xFF};
/*************************************************************************/
/* Build filter to drop incoming packets according to source MAC address */
/*************************************************************************/
//
//define filter as parent
//
Trigger.ParentFilterID = 0;
//
//no trigger to activate the filter.
//
Trigger.Trigger = NO_TRIGGER;
//
//connection state and role
//
Trigger.TriggerArgConnectionState.IntRepresentation = \
RX_FILTER_CONNECTION_STATE_STA_CONNECTED;
Trigger.TriggerArgRoleStatus.IntRepresentation = RX_FILTER_ROLE_STA;
//
// header and Combination types are only supported. Combination for logical
// AND/OR between two filters
//
RuleType = HEADER;
Rule.HeaderType.RuleHeaderfield = MAC_SRC_ADDRESS_FIELD;
memcpy( Rule.HeaderType.RuleHeaderArgsAndMask.RuleHeaderArgs.RxFilterDB6BytesRuleArgs[0],
g_ucMacAddress , SL_MAC_ADDR_LEN);
memcpy( Rule.HeaderType.RuleHeaderArgsAndMask.RuleHeaderArgsMask, ucMacMask,
SL_MAC_ADDR_LEN);
Rule.HeaderType.RuleCompareFunc = COMPARE_FUNC_EQUAL;
//
//Action
//
Action.ActionType.IntRepresentation = RX_FILTER_ACTION_DROP;
FilterFlags.IntRepresentation = RX_FILTER_BINARY;
lRetVal = sl_WlanRxFilterAdd(RuleType, FilterFlags, &Rule, &Trigger,
&Action, &FilterId);
ASSERT_ON_ERROR(lRetVal);
/*************************************************************************/
/* Build filter to drop incoming packets according to source IP address */
/*************************************************************************/
//
//define filter as parent
//
Trigger.ParentFilterID = 0;
//
//no trigger to activate the filter.
//
Trigger.Trigger = NO_TRIGGER;
//
//connection state and role
//
Trigger.TriggerArgConnectionState.IntRepresentation = \
RX_FILTER_CONNECTION_STATE_STA_CONNECTED;
Trigger.TriggerArgRoleStatus.IntRepresentation = RX_FILTER_ROLE_STA;
//
// header and Combination types are only supported. Combination for logical
// AND/OR between two filters
//
RuleType = HEADER;
Rule.HeaderType.RuleHeaderfield = IPV4_SRC_ADRRESS_FIELD;
memcpy(Rule.HeaderType.RuleHeaderArgsAndMask.RuleHeaderArgs.RxFilterDB4BytesRuleArgs[0],
g_ucIpAddress , IP_ADDR_LENGTH);
memcpy(Rule.HeaderType.RuleHeaderArgsAndMask.RuleHeaderArgsMask, ucIPMask,
IP_ADDR_LENGTH);
Rule.HeaderType.RuleCompareFunc = COMPARE_FUNC_EQUAL;
//
//Action
//
Action.ActionType.IntRepresentation = RX_FILTER_ACTION_DROP;
FilterFlags.IntRepresentation = RX_FILTER_BINARY;
lRetVal = sl_WlanRxFilterAdd(RuleType, FilterFlags, &Rule, &Trigger,
&Action, &FilterId);
ASSERT_ON_ERROR(lRetVal);
return 0;
}
//*****************************************************************************
//
//! 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;
}
STATIC void wlan_set_channel (uint8_t channel) {
wlan_obj.channel = channel;
ASSERT_ON_ERROR(sl_WlanSet(SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_CHANNEL, 1, &channel));
}
STATIC void wlan_set_mode (uint mode) {
wlan_obj.mode = mode;
ASSERT_ON_ERROR(sl_WlanSetMode(mode));
}
void wlan_sl_init (int8_t mode, const char *ssid, uint8_t ssid_len, uint8_t auth, const char *key, uint8_t key_len,
uint8_t channel, uint8_t antenna, bool add_mac) {
// stop the servers
wlan_servers_stop();
// do a basic start
wlan_first_start();
// close any active connections
wlan_sl_disconnect();
// Remove all profiles
ASSERT_ON_ERROR(sl_WlanProfileDel(0xFF));
// Enable the DHCP client
uint8_t value = 1;
ASSERT_ON_ERROR(sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE, 1, 1, &value));
// Set PM policy to normal
ASSERT_ON_ERROR(sl_WlanPolicySet(SL_POLICY_PM, SL_NORMAL_POLICY, NULL, 0));
// Unregister mDNS services
ASSERT_ON_ERROR(sl_NetAppMDNSUnRegisterService(0, 0));
// Stop the internal HTTP server
sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
// Remove all 64 filters (8 * 8)
_WlanRxFilterOperationCommandBuff_t RxFilterIdMask;
memset ((void *)&RxFilterIdMask, 0 ,sizeof(RxFilterIdMask));
memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
ASSERT_ON_ERROR(sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask, sizeof(_WlanRxFilterOperationCommandBuff_t)));
#if MICROPY_HW_ANTENNA_DIVERSITY
// set the antenna type
wlan_set_antenna (antenna);
#endif
// switch to the requested mode
wlan_set_mode(mode);
// stop and start again (we need to in the propper mode from now on)
wlan_reenable(mode);
// Set Tx power level for station or AP mode
// Number between 0-15, as dB offset from max power - 0 will set max power
uint8_t ucPower = 0;
if (mode == ROLE_AP) {
ASSERT_ON_ERROR(sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_AP_TX_POWER, sizeof(ucPower),
(unsigned char *)&ucPower));
// configure all parameters
wlan_set_ssid (ssid, ssid_len, add_mac);
wlan_set_security (auth, key, key_len);
wlan_set_channel (channel);
// set the country
_u8* country = (_u8*)"EU";
ASSERT_ON_ERROR(sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_COUNTRY_CODE, 2, country));
SlNetCfgIpV4Args_t ipV4;
ipV4.ipV4 = (_u32)SL_IPV4_VAL(192,168,1,1); // _u32 IP address
ipV4.ipV4Mask = (_u32)SL_IPV4_VAL(255,255,255,0); // _u32 Subnet mask for this AP
ipV4.ipV4Gateway = (_u32)SL_IPV4_VAL(192,168,1,1); // _u32 Default gateway address
ipV4.ipV4DnsServer = (_u32)SL_IPV4_VAL(192,168,1,1); // _u32 DNS server address
ASSERT_ON_ERROR(sl_NetCfgSet(SL_IPV4_AP_P2P_GO_STATIC_ENABLE, IPCONFIG_MODE_ENABLE_IPV4,
sizeof(SlNetCfgIpV4Args_t), (_u8 *)&ipV4));
SlNetAppDhcpServerBasicOpt_t dhcpParams;
dhcpParams.lease_time = 4096; // lease time (in seconds) of the IP Address
dhcpParams.ipv4_addr_start = SL_IPV4_VAL(192,168,1,2); // first IP Address for allocation.
dhcpParams.ipv4_addr_last = SL_IPV4_VAL(192,168,1,254); // last IP Address for allocation.
ASSERT_ON_ERROR(sl_NetAppStop(SL_NET_APP_DHCP_SERVER_ID)); // Stop DHCP server before settings
ASSERT_ON_ERROR(sl_NetAppSet(SL_NET_APP_DHCP_SERVER_ID, NETAPP_SET_DHCP_SRV_BASIC_OPT,
sizeof(SlNetAppDhcpServerBasicOpt_t), (_u8* )&dhcpParams)); // set parameters
ASSERT_ON_ERROR(sl_NetAppStart(SL_NET_APP_DHCP_SERVER_ID)); // Start DHCP server with new settings
// stop and start again
wlan_reenable(mode);
} else { // STA and P2P modes
ASSERT_ON_ERROR(sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_STA_TX_POWER,
sizeof(ucPower), (unsigned char *)&ucPower));
// set connection policy to Auto + Fast (tries to connect to the last connected AP)
ASSERT_ON_ERROR(sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(1, 1, 0, 0, 0), NULL, 0));
}
// set current time and date (needed to validate certificates)
wlan_set_current_time (pyb_rtc_get_seconds());
// start the servers before returning
wlan_servers_start();
}
//****************************************************************************
//
//! \brief Configuring the Connection Policy
//!
//! This function configures different Connection Policy such as FAST,AUTO,OPEN
//!
//! \param[in] None
//!
//! \return 0 on success else error code
//!
//! \note
//
//****************************************************************************
static long SetConnectionPolicy()
{
unsigned char policyVal;
long lRetVal = -1;
/* Clear all stored profiles and reset the policies */
lRetVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(lRetVal);
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(0,0,0,0,0), 0, 0);
ASSERT_ON_ERROR(lRetVal);
//Add Profile
/* user needs to change SSID_NAME = "<Secured AP>"
SECURITY_TYPE = SL_SEC_TYPE_WPA
SECURITY_KEY = "<password>"
and set the priority as per requirement
to connect with a secured AP */
SlSecParams_t secParams;
secParams.Key = SECURITY_KEY;
secParams.KeyLen = strlen(SECURITY_KEY);
secParams.Type = SECURITY_TYPE;
lRetVal = sl_WlanProfileAdd(SSID_NAME,strlen(SSID_NAME),0,&secParams,0,1,0);
ASSERT_ON_ERROR(lRetVal);
//set AUTO policy
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1,0,0,0,0),
&policyVal, 1 /*PolicyValLen*/);
ASSERT_ON_ERROR(lRetVal);
//wait until IP is acquired
while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus)))
{
_SlNonOsMainLoopTask();
}
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_CONNECTION);
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_IP_AQUIRED);
//
// ****** Put breakpoint here ******
// If control comes here- means device connected to AP in auto mode
//
// Disconnect from AP
lRetVal = sl_WlanDisconnect();
if(0 == lRetVal)
{
// Wait
while(IS_CONNECTED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
//delete profiles
lRetVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(lRetVal);
//set Auto SmartConfig policy
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(1,0,0,0,1),
&policyVal,0);
ASSERT_ON_ERROR(lRetVal);
// reset the NWP
lRetVal = ResetNwp();
ASSERT_ON_ERROR(lRetVal);
// wait for smart config to complete and device to connect to an AP
//wait until IP is acquired
while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus)))
{
_SlNonOsMainLoopTask();
}
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_CONNECTION);
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_IP_AQUIRED);
//
// ****** Put breakpoint here ******
// If control comes here- means device connected to AP in smartconfig mode
//
/* Delete all profiles (0xFF) stored */
lRetVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(lRetVal);
// reset the NWP
lRetVal = ResetNwp();
ASSERT_ON_ERROR(lRetVal);
/* Set connection policy to Fast, Device will connect to last connected AP.
* This feature can be used to reconnect to AP */
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION , \
SL_CONNECTION_POLICY(1,1,0,0,0), 0, 0);
ASSERT_ON_ERROR(lRetVal);
/* Connect to the open AP */
lRetVal = sl_WlanConnect(SSID_NAME, strlen(SSID_NAME), 0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
//wait until IP is acquired
while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus)))
{
_SlNonOsMainLoopTask();
}
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_CONNECTION);
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_IP_AQUIRED);
// Add unsecured AP profile with priority 6 (7 is highest)
// Because of a limitation in SDK-0.5 which prevents the automatic addition
// of the profile (fast), the application is required to explicitly add it.
// The limitation shall be addressed in subsequent SDK release, and the below
// lines for adding the profile can be removed then...!
secParams.Key = "";
secParams.KeyLen = 0;
secParams.Type = SL_SEC_TYPE_OPEN;
lRetVal = sl_WlanProfileAdd((signed char*)SSID_NAME,
strlen(SSID_NAME), 0, &secParams, 0, 6, 0);
ASSERT_ON_ERROR(lRetVal);
// reset the NWP
lRetVal = ResetNwp();
ASSERT_ON_ERROR(lRetVal);
/* Wait for the connection to be established */
while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus)))
{
_SlNonOsMainLoopTask();
}
//
// ****** Put breakpoint here ******
// If control comes here- means device connected to AP in FAST mode
//
//remove all policies
lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,
SL_CONNECTION_POLICY(0,0,0,0,0),
&policyVal,0);
ASSERT_ON_ERROR(lRetVal);
return SUCCESS;
}
/*
* Application's entry point
*/
int main(int argc, char** argv)
{
_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();
}
/*
* 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 is configured in default state \n\r");
CLI_Write(" Starting smartconfig process \n\r");
/* Connect to our AP using SmartConfig method */
retVal = SmartConfigConnect();
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");
/* Delete all profiles */
retVal = sl_WlanProfileDel(WLAN_DEL_ALL_PROFILES);
if(retVal < 0)
LOOP_FOREVER();
return 0;
}
//*****************************************************************************
//
//! UARTCommandHandler
//!
//! @brief The function handles commands arrived from CLI
//!
//! @param usBuffer is the receive buffer from the UART interface to PC
//!
//! @return 0 on success or error code on failure
//!
//
//*****************************************************************************
long UARTCommandHandler(char *usBuffer)
{
int iIndex = 0;
int iParamcount = 0;
long lRetVal = -1;
signed char cStatus1 = 0;
signed char cStatus2 = 0;
if(usBuffer == NULL)
{
UART_PRINT("Null pointer\r\n");
return -1;
}
switch(usBuffer[1])
{
//**********************************************
// Case 01: Connect to default AP
//**********************************************
case UART_COMMAND_SIMPLE_CONFIG_START:
if(!IS_CONNECTED(Network_IF_CurrentMCUState()))
{
LedTimerConfigNStart();
// Setting Acess Point's security parameters
SecurityParams.Key = (signed char *)SECURITY_KEY;
SecurityParams.KeyLen = strlen(SECURITY_KEY);
SecurityParams.Type = SECURITY_TYPE;
lRetVal = Network_IF_ConnectAP(SSID_NAME,SecurityParams);
if(lRetVal < 0)
{
UART_PRINT("Error: %d Connecting to an AP.", lRetVal);
return lRetVal;
}
}
//
// 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);
DispatcherUartSendPacket((char*)pucUARTOKString,
sizeof(pucUARTOKString));
break;
//**********************************************
// Case 02: Configure sender (source) email
//**********************************************
// TODO Phase 2: Include
/*
case UART_COMMAND_EMAIL_SOURCE:
memset(serveruser,0,sizeof(serveruser));
memset(pcServerpass,0,sizeof(pcServerpass));
pcOfserveruser = &serveruser[0];
ofpcServerpass = &pcServerpass[0];
// '<' To maintain RFC 2821 format
*pcOfserveruser++= '<';
iIndex = 2;
while ((int)usBuffer[iIndex] != 0x0D)
{
//look for comma ',' for separation of params
if((int)usBuffer[iIndex] == 44)
{
iParamcount++;
}
else
{
if(iParamcount==1)
{
//Enter smtp server username (email address)
*pcOfserveruser++ = usBuffer[iIndex];
}
if(iParamcount==2)
{
//Enter username's password
*ofpcServerpass++ = usBuffer[iIndex];
}
}
iIndex++;
}
// '>' To maintain RFC 2821 format
*pcOfserveruser++= '>';
*pcOfserveruser++= '\0';
*ofpcServerpass++= '\0';
//Set variables in smtp.c
cStatus1 = smtpSetVariable(serveruser, USERNAME_VAR);
cStatus2 = smtpSetVariable(pcServerpass, PASSWORD_VAR);
//If error in return
if(cStatus1 == 0 && cStatus2 == 0)
{
DispatcherUartSendPacket((char*)pucUARTOKString, sizeof(pucUARTOKString));
}
else
{
DispatcherUartSendPacket((char*)putUARTErrorInputString, \
sizeof(putUARTErrorInputString));
}
break;
*/
//**********************************************
// Case 03: Configure sender (source) email
//**********************************************
case UART_COMMAND_EMAIL_HEADER:
memset(pcEmailto,0,sizeof(pcEmailto));
pcOfemailto = &pcEmailto[0];
pcOfemailsubject = &pcEmailsubject[0];
// '<' To maintain RFC 2821 format
*pcOfemailto++= '<';
iIndex = 2;
while ((int)usBuffer[iIndex] != 0x0D && usBuffer[iIndex] != '\0')
{
//look for comma ',' for separation of params
if((int)usBuffer[iIndex] == 44)
{
iParamcount++;
}
else
{
if(iParamcount==1)
{
//Enter destination email address
*pcOfemailto++ = usBuffer[iIndex];
}
if(iParamcount==2)
{
//Enter email subject
*pcOfemailsubject++ = usBuffer[iIndex];
}
}
iIndex++;
}
// '>' To maintain RFC 2821 format
*pcOfemailto++= '>';
*pcOfemailto++= '\0';
*pcOfemailsubject= '\0';
SlNetAppDestination_t destEmailAdd;
memcpy(destEmailAdd.Email,pcEmailto,strlen(pcEmailto)+1);
cStatus1 = sl_NetAppEmailSet(SL_NET_APP_EMAIL_ID,NETAPP_DEST_EMAIL, \
strlen(pcEmailto)+1, \
(unsigned char *)&destEmailAdd);
SlNetAppEmailSubject_t emailSubject;
memcpy(emailSubject.Value,pcEmailsubject,strlen(pcEmailsubject)+1);
cStatus2 = sl_NetAppEmailSet(SL_NET_APP_EMAIL_ID,NETAPP_SUBJECT, \
strlen(pcEmailsubject)+1, \
(unsigned char *)&emailSubject);
// Check for Error in setting the variables
if(cStatus1 == 0 && cStatus2 == 0)
{
DispatcherUartSendPacket((char*)pucUARTOKString, \
sizeof(pucUARTOKString));
}
else
{
DispatcherUartSendPacket((char*)putUARTErrorInputString, \
sizeof(putUARTErrorInputString));
}
break;
//**********************************************
// Case 04: Record email message
//**********************************************
case UART_COMMAND_EMAIL_MESSAGE:
pcOfemailmessage = &pcEmailmessage[0];
//Enter "Message"
iIndex =3;
while ((int)usBuffer[iIndex] != 0x0D && usBuffer[iIndex] != '\0')
{
if((int)usBuffer[iIndex] == 62)
{
iParamcount++;
}
else
{
if(iParamcount==0)
{
*pcOfemailmessage++ = usBuffer[iIndex];
}
}
iIndex++;
}
*pcOfemailmessage= '\0';
/* TODO here unsigned char is converting to char */
DispatcherUartSendPacket((char*)pucUARTOKString, \
sizeof(pucUARTOKString));
break;
//**********************************************
// Case 05: Send email message using configurations
//**********************************************
case UART_COMMAND_EMAIL_SEND:
{
// reset Orange LED state
GPIO_IF_LedOff(MCU_SENDING_DATA_IND);
// TODO: If no destination email given, default to hardcoded value
SlNetAppEmailOpt_t eMailServerSetting;
lRetVal = Network_IF_GetHostIP(GMAIL_HOST_NAME, &eMailServerSetting.Ip);
if(lRetVal >= 0)
{
eMailServerSetting.Family = AF_INET;
eMailServerSetting.Port = GMAIL_HOST_PORT;
eMailServerSetting.SecurityMethod = SL_SO_SEC_METHOD_SSLV3;
eMailServerSetting.SecurityCypher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_MD5;
lRetVal = sl_NetAppEmailSet(SL_NET_APP_EMAIL_ID, \
NETAPP_ADVANCED_OPT, \
sizeof(SlNetAppEmailOpt_t), \
(unsigned char*)&eMailServerSetting);
ASSERT_ON_ERROR(lRetVal);
}
else
{
UART_PRINT("Error:%d GetHostIP.", lRetVal);
return -1;
}
g_cConnectStatus = sl_NetAppEmailConnect();
// If return -1, throw connect error
if(g_cConnectStatus == -1)
{
DispatcherUartSendPacket((char*)pucUARTErrorSocketCreateString, \
sizeof(pucUARTErrorSocketCreateString));
}
// If return -2, throw socket option error
if(g_cConnectStatus == -2)
{
DispatcherUartSendPacket((char*)pucUARTErrorSocketOptionString, \
sizeof(pucUARTErrorSocketOptionString));
}
if(g_cConnectStatus == 0)
{
SlNetAppServerError_t sEmailErrorInfo;
long lRetCode = SL_EMAIL_ERROR_FAILED;
if((lRetCode = sl_NetAppEmailSend(pcEmailto,pcEmailsubject, \
pcEmailmessage, \
&sEmailErrorInfo)) == SL_EMAIL_ERROR_NONE)
{
// Blink LED7 to indicate email has been sent
for(iIndex=0 ;iIndex<5 ;iIndex++)
{
MAP_UtilsDelay(6000000);
GPIO_IF_LedOff(MCU_SENDING_DATA_IND);
MAP_UtilsDelay(6000000);
GPIO_IF_LedOn(MCU_SENDING_DATA_IND);
}
DispatcherUartSendPacket((char*)putUARTFinishString, \
sizeof(putUARTFinishString));
}
else
{
lRetVal = EmailHandleERROR(lRetCode,(char*)sEmailErrorInfo.Value);
ASSERT_ON_ERROR(lRetVal);
}
}
}
break;
case UART_COMMAND_SMART_CONFIG:
GPIO_IF_LedOff(MCU_IP_ALLOC_IND);
DispatcherUartSendPacket((char*)pucUARTSmartConfigString, \
sizeof(pucUARTSmartConfigString));
// Start LED blinking Timer
LedTimerConfigNStart();
//Reset the Network Status before Entering Smart Config
Network_IF_UnsetMCUMachineState(STATUS_BIT_CONNECTION);
Network_IF_UnsetMCUMachineState(STATUS_BIT_IP_AQUIRED);
// start smart config process
lRetVal = SmartConfigConnect();
ASSERT_ON_ERROR(lRetVal);
while (!(IS_CONNECTED(Network_IF_CurrentMCUState())) || \
!(IS_IP_ACQUIRED(Network_IF_CurrentMCUState())))
{
MAP_UtilsDelay(100);
}
LedTimerDeinitStop();
GPIO_IF_LedOn(MCU_IP_ALLOC_IND);
break;
default:
DispatcherUartSendPacket((char*)pucUARTErrorString, \
sizeof(pucUARTErrorString));
break;
}
return SUCCESS;
}
//*****************************************************************************
//
//! UserInput
//!
//! This function
//! 1. Function for reading the user input for UDP RX/TX
//!
//! \return none
//
//*****************************************************************************
long UserInput()
{
int iInput = 0;
char acCmdStore[50];
int lRetVal;
int iRightInput = 0;
unsigned long ulUserInputData = 0;
UART_PRINT("Default settings: SSID Name: %s, PORT = %d, Packet Count = %d, "
"Destination IP: %d.%d.%d.%d\n\r",
SSID_NAME, g_uiPortNum, g_ulPacketCount,
SL_IPV4_BYTE(g_ulDestinationIp,3),
SL_IPV4_BYTE(g_ulDestinationIp,2),
SL_IPV4_BYTE(g_ulDestinationIp,1),
SL_IPV4_BYTE(g_ulDestinationIp,0));
do
{
UART_PRINT("\r\nOptions:\r\n1. Send UDP packets.\r\n2. Receive UDP "
"packets.\r\n3. Settings.\r\n4. Exit\r\n");
UART_PRINT("Enter the option to use: ");
lRetVal = GetCmd(acCmdStore, sizeof(acCmdStore));
if(lRetVal == 0)
{
//
// No input. Just an enter pressed probably. Display a prompt.
//
UART_PRINT("\n\n\rEnter Valid Input.");
}
else
{
iInput = (int)strtoul(acCmdStore,0,10);
if(iInput == 1)
{
UART_PRINT("Run iperf command \"iperf.exe -u -s -i 1\" and "
"press Enter\n\r");
//
// Wait to receive a character over UART
//
MAP_UARTCharGet(CONSOLE);
UART_PRINT("Sending UDP packets...\n\r");
// Before proceeding, please make sure to have a server
// waiting on PORT_NUM
lRetVal = BsdUdpClient(g_uiPortNum);
ASSERT_ON_ERROR(lRetVal);
}
else if(iInput == 2)
{
UART_PRINT("Run iperf command \"iperf.exe -u -c %d.%d.%d.%d -i 1 "
"-t 100000\" and press Enter\n\r",
SL_IPV4_BYTE(g_ulIpAddr,3), SL_IPV4_BYTE(g_ulIpAddr,2),
SL_IPV4_BYTE(g_ulIpAddr,1), SL_IPV4_BYTE(g_ulIpAddr,0));
//
// Wait to receive a character over UART
//
MAP_UARTCharGet(CONSOLE);
UART_PRINT("Receiving UDP packets...\n\r");
// After calling this function, you can start sending data
// to CC3200 IP address on PORT_NUM
lRetVal = BsdUdpServer(g_uiPortNum);
ASSERT_ON_ERROR(lRetVal);
}
else if(iInput == 3)
{
iRightInput = 0;
do
{
UART_PRINT("\n\rSetting Options:\n\r1. PORT\n\r2. Packet "
"Count\n\r3. Destination IP\n\r4. Main Menu\r\n");
UART_PRINT("Enter the option to use: ");
lRetVal = GetCmd(acCmdStore, sizeof(acCmdStore));
if(lRetVal == 0)
{
//
// No input. Just an enter pressed probably. Display prompt.
//
UART_PRINT("\n\n\rEnter Valid Input.");
}
else
{
iInput = (int)strtoul(acCmdStore,0,10);
//SettingInput(iInput);
switch(iInput)
{
case 1:
do
{
UART_PRINT("Enter new Port: ");
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
{
ulUserInputData = (int)strtoul(acCmdStore,0,10);
if(ulUserInputData <= 0 || ulUserInputData > 65535)
{
UART_PRINT("\n\rWrong Input");
iRightInput = 0;
}
else
{
g_uiPortNum = ulUserInputData;
iRightInput = 1;
}
}
UART_PRINT("\r\n");
}while(!iRightInput);
iRightInput = 0;
break;
case 2:
do
{
UART_PRINT("Enter Packet Count: ");
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
{
ulUserInputData = (int)strtoul(acCmdStore,0,10);
if(ulUserInputData <= 0 || ulUserInputData > 9999999)
{
UART_PRINT("\n\rWrong Input");
iRightInput = 0;
}
else
{
g_ulPacketCount = ulUserInputData;
iRightInput = 1;
}
}
UART_PRINT("\r\n");
}while(!iRightInput);
iRightInput = 0;
break;
case 3:
do
{
UART_PRINT("Enter Destination IP: ");
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
{
if(IpAddressParser(acCmdStore) < 0)
{
UART_PRINT("\n\rWrong Input");
iRightInput = 0;
}
else
{
iRightInput = 1;
}
}
UART_PRINT("\r\n");
}while(!iRightInput);
iRightInput = 0;
break;
case 4:
iRightInput = 1;
break;
default:
break;
}
}
}while(!iRightInput);
}
else if(iInput == 4)
{
break;
}
else
{
UART_PRINT("\n\n\rWrong Input");
}
}
UART_PRINT("\n\r");
}while(1);
return 0 ;
}
/*
* Application's entry point
*/
int main(int argc, char** argv)
{
_i32 retVal = -1;
retVal = initializeAppVariables();
ASSERT_ON_ERROR(retVal);
/* Stop WDT and initialize the system-clock of the MCU */
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((_u8 *)" Failed to configure the device in its default state \n\r");
LOOP_FOREVER();
}
CLI_Write((_u8 *)" 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
*/
retVal = sl_Start(0, 0, 0);
if ((retVal < 0) ||
(ROLE_STA != retVal) )
{
CLI_Write((_u8 *)" Failed to start the device \n\r");
LOOP_FOREVER();
}
CLI_Write((_u8 *)" Device started as STATION \n\r");
/* Connecting to WLAN AP */
retVal = establishConnectionWithAP();
if(retVal < 0)
{
CLI_Write((_u8 *)" Failed to establish connection w/ an AP \n\r");
LOOP_FOREVER();
}
CLI_Write((_u8 *)" Connection established w/ AP and IP is acquired \n\r");
CLI_Write((_u8 *)" Pinging...! \n\r");
retVal = checkLanConnection();
if(retVal < 0)
{
CLI_Write((_u8 *)" Device couldn't connect to LAN \n\r");
LOOP_FOREVER();
}
CLI_Write((_u8 *)" Device successfully connected to the LAN\r\n");
retVal = checkInternetConnection();
if(retVal < 0)
{
CLI_Write((_u8 *)" Device couldn't connect to the internet \n\r");
LOOP_FOREVER();
}
CLI_Write((_u8 *)" Device successfully connected to the internet \n\r");
return 0;
}
//****************************************************************************
//
//! \brief Opening a UDP server side socket and receiving data
//!
//! This function opens a UDP socket in Listen mode and waits for an incoming
//! UDP connection.
//! If a socket connection is established then the function will try to
//! read 1000 UDP packets from the connected client.
//!
//! \param[in] port number on which the server will be listening on
//!
//! \return 0 on success, Negative value on Error.
//
//****************************************************************************
int BsdUdpServer(unsigned short usPort)
{
SlSockAddrIn_t sAddr;
SlSockAddrIn_t sLocalAddr;
int iCounter;
int iAddrSize;
int iSockID;
int iStatus;
long lLoopCount = 0;
short sTestBufLen;
// 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)usPort);
sLocalAddr.sin_addr.s_addr = 0;
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_SERVER_FAILED);
}
// 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(UCP_SERVER_FAILED);
}
// no listen or accept is required as UDP is connectionless protocol
/// 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
sl_Close(iSockID);
ASSERT_ON_ERROR(UCP_SERVER_FAILED);
}
lLoopCount++;
}
UART_PRINT("Recieved %u packets successfully\n\r",g_ulPacketCount);
//closing the socket after receiving 1000 packets
sl_Close(iSockID);
return SUCCESS;
}
//*****************************************************************************
//
//! This funtion includes the following steps:
//! -open a user file for writing
//! -write "Old MacDonalds" child song 37 times to get just below a 64KB file
//! -close the user file
//!
//! /param[out] ulToken : file token
//! /param[out] lFileHandle : file handle
//!
//! /return 0:Success, -ve: failure
//
//*****************************************************************************
long WriteFileToDevice(unsigned long *ulToken, long *lFileHandle)
{
long lRetVal = -1;
int iLoopCnt = 0;
//
// create a user file
//
lRetVal = sl_FsOpen((unsigned char *)USER_FILE_NAME,
FS_MODE_OPEN_CREATE(65536, \
_FS_FILE_OPEN_FLAG_COMMIT|_FS_FILE_PUBLIC_WRITE),
ulToken,
lFileHandle);
if(lRetVal < 0)
{
//
// File may already be created
//
lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0);
ASSERT_ON_ERROR(lRetVal);
}
else
{
//
// close the user file
//
lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0);
if (SL_RET_CODE_OK != lRetVal)
{
ASSERT_ON_ERROR(FILE_CLOSE_ERROR);
}
}
//
// open a user file for writing
//
lRetVal = sl_FsOpen((unsigned char *)USER_FILE_NAME,
FS_MODE_OPEN_WRITE,
ulToken,
lFileHandle);
if(lRetVal < 0)
{
lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0);
ASSERT_ON_ERROR(FILE_OPEN_WRITE_FAILED);
}
//
// write "Old MacDonalds" child song as many times to get just below a 64KB file
//
for (iLoopCnt = 0;
iLoopCnt < (SL_MAX_FILE_SIZE / sizeof(gaucOldMacDonald));
iLoopCnt++)
{
lRetVal = sl_FsWrite(*lFileHandle,
(unsigned int)(iLoopCnt * sizeof(gaucOldMacDonald)),
(unsigned char *)gaucOldMacDonald, sizeof(gaucOldMacDonald));
if (lRetVal < 0)
{
lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0);
ASSERT_ON_ERROR(FILE_WRITE_FAILED);
}
}
//
// close the user file
//
lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0);
if (SL_RET_CODE_OK != lRetVal)
{
ASSERT_ON_ERROR(FILE_CLOSE_ERROR);
}
return SUCCESS;
}
int connectToAccessPoint(){
long lRetVal = -1;
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");
return 0;
}
//*****************************************************************************
//
//! Network_IF_ConnectAP Connect to an Access Point using the specified SSID
//!
//! \param[in] pcSsid is a string of the AP's SSID
//! \param[in] SecurityParams is Security parameter for AP
//!
//! \return On success, zero is returned. On error, -ve value is returned
//
//*****************************************************************************
long
Network_IF_ConnectAP(char *pcSsid, SlSecParams_t SecurityParams)
{
#ifndef NOTERM
char acCmdStore[128];
unsigned short usConnTimeout;
unsigned char ucRecvdAPDetails;
#endif
long lRetVal;
unsigned long ulIP = 0;
unsigned long ulSubMask = 0;
unsigned long ulDefGateway = 0;
unsigned long ulDns = 0;
//
// Disconnect from the AP
//
Network_IF_DisconnectFromAP();
//
// This triggers the CC3200 to connect to specific AP
//
lRetVal = sl_WlanConnect((signed char *)pcSsid, strlen((const char *)pcSsid),
NULL, &SecurityParams, NULL);
ASSERT_ON_ERROR(lRetVal);
//
// Wait for ~10 sec to check if connection to desire AP succeeds
//
while(g_usConnectIndex < 15)
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#else
osi_Sleep(1);
#endif
MAP_UtilsDelay(8000000);
if(IS_CONNECTED(g_ulStatus) && IS_IP_ACQUIRED(g_ulStatus))
{
break;
}
g_usConnectIndex++;
}
#ifndef NOTERM
//
// Check and loop until AP connection successful, else ask new AP SSID name
//
while(!(IS_CONNECTED(g_ulStatus)) || !(IS_IP_ACQUIRED(g_ulStatus)))
{
//
// Disconnect the previous attempt
//
Network_IF_DisconnectFromAP();
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_CONNECTION);
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_IP_AQUIRED);
UART_PRINT("Device could not connect to %s\n\r",pcSsid);
do
{
ucRecvdAPDetails = 0;
UART_PRINT("\n\r\n\rPlease enter the AP(open) SSID name # ");
//
// Get the AP name to connect over the UART
//
lRetVal = GetCmd(acCmdStore, sizeof(acCmdStore));
if(lRetVal > 0)
{
// remove start/end spaces if any
lRetVal = TrimSpace(acCmdStore);
//
// Parse the AP name
//
strncpy(pcSsid, acCmdStore, lRetVal);
if(pcSsid != NULL)
{
ucRecvdAPDetails = 1;
pcSsid[lRetVal] = '\0';
}
}
}while(ucRecvdAPDetails == 0);
//
// Reset Security Parameters to OPEN security type
//
SecurityParams.Key = (signed char *)"";
SecurityParams.KeyLen = 0;
SecurityParams.Type = SL_SEC_TYPE_OPEN;
UART_PRINT("\n\rTrying to connect to AP: %s ...\n\r",pcSsid);
//
// Get the current timer tick and setup the timeout accordingly
//
usConnTimeout = g_usConnectIndex + 15;
//
// This triggers the CC3200 to connect to specific AP
//
lRetVal = sl_WlanConnect((signed char *)pcSsid,
strlen((const char *)pcSsid), NULL,
&SecurityParams, NULL);
ASSERT_ON_ERROR(lRetVal);
//
// Wait ~10 sec to check if connection to specifed AP succeeds
//
while(!(IS_CONNECTED(g_ulStatus)) || !(IS_IP_ACQUIRED(g_ulStatus)))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#else
osi_Sleep(1);
#endif
MAP_UtilsDelay(8000000);
if(g_usConnectIndex >= usConnTimeout)
{
break;
}
g_usConnectIndex++;
}
}
#endif
//
// Put message on UART
//
UART_PRINT("\n\rDevice has connected to %s\n\r",pcSsid);
//
// Get IP address
//
lRetVal = Network_IF_IpConfigGet(&ulIP,&ulSubMask,&ulDefGateway,&ulDns);
ASSERT_ON_ERROR(lRetVal);
//
// Send the information
//
UART_PRINT("Device IP Address is %d.%d.%d.%d \n\r\n\r",
SL_IPV4_BYTE(ulIP, 3),SL_IPV4_BYTE(ulIP, 2),
SL_IPV4_BYTE(ulIP, 1),SL_IPV4_BYTE(ulIP, 0));
return 0;
}
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 This function configure the SimpleLink device in its default state. It:
- Sets the mode to STATION
- Configures connection policy to Auto and AutoSmartConfig
- Deletes all the stored profiles
- Enables DHCP
- Disables Scan policy
- Sets Tx power to maximum
- Sets power policy to normal
- Unregisters mDNS services
- Remove all filters
\param[in] none
\return On success, zero is returned. On error, negative is returned
*/
static _i32 configureSimpleLinkToDefaultState()
{
SlVersionFull ver = {0};
_WlanRxFilterOperationCommandBuff_t RxFilterIdMask = {0};
_u8 val = 1;
_u8 configOpt = 0;
_u8 configLen = 0;
_u8 power = 0;
_i32 retVal = -1;
_i32 mode = -1;
mode = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(mode);
/* If the device is not in station-mode, try configuring it in station-mode */
if (ROLE_STA != mode)
{
if (ROLE_AP == mode)
{
/* If the device is in AP mode, we need to wait for this event before doing anything */
while(!IS_IP_ACQUIRED(g_Status)) { _SlNonOsMainLoopTask(); }
}
/* Switch to STA role and restart */
retVal = sl_WlanSetMode(ROLE_STA);
ASSERT_ON_ERROR(retVal);
retVal = sl_Stop(SL_STOP_TIMEOUT);
ASSERT_ON_ERROR(retVal);
retVal = sl_Start(0, 0, 0);
ASSERT_ON_ERROR(retVal);
/* Check if the device is in station again */
if (ROLE_STA != retVal)
{
/* We don't want to proceed if the device is not coming up in station-mode */
ASSERT_ON_ERROR(DEVICE_NOT_IN_STATION_MODE);
}
}
/* Get the device's version-information */
configOpt = SL_DEVICE_GENERAL_VERSION;
configLen = sizeof(ver);
retVal = sl_DevGet(SL_DEVICE_GENERAL_CONFIGURATION, &configOpt, &configLen, (unsigned char *)(&ver));
ASSERT_ON_ERROR(retVal);
/* Set connection policy to Auto + SmartConfig (Device's default connection policy) */
retVal = sl_WlanPolicySet(SL_POLICY_CONNECTION, SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
ASSERT_ON_ERROR(retVal);
/* Remove all profiles */
retVal = sl_WlanProfileDel(0xFF);
ASSERT_ON_ERROR(retVal);
/*
* Device in station-mode. Disconnect previous connection if any
* The function returns 0 if 'Disconnected done', negative number if already disconnected
* Wait for 'disconnection' event if 0 is returned, Ignore other return-codes
*/
retVal = sl_WlanDisconnect();
if(0 == retVal)
{
/* Wait */
while(IS_CONNECTED(g_Status)) { _SlNonOsMainLoopTask(); }
}
/* Enable DHCP client*/
retVal = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&val);
ASSERT_ON_ERROR(retVal);
/* Disable scan */
configOpt = SL_SCAN_POLICY(0);
retVal = sl_WlanPolicySet(SL_POLICY_SCAN , configOpt, NULL, 0);
ASSERT_ON_ERROR(retVal);
/* Set Tx power level for station mode
Number between 0-15, as dB offset from max power - 0 will set maximum power */
power = 0;
retVal = sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID, WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, &power);
ASSERT_ON_ERROR(retVal);
/* Set PM policy to normal */
retVal = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
ASSERT_ON_ERROR(retVal);
/* Unregister mDNS services */
retVal = sl_NetAppMDNSUnRegisterService(0, 0);
ASSERT_ON_ERROR(retVal);
/* Remove all 64 filters (8*8) */
pal_Memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
retVal = sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask,
sizeof(_WlanRxFilterOperationCommandBuff_t));
ASSERT_ON_ERROR(retVal);
retVal = sl_Stop(SL_STOP_TIMEOUT);
ASSERT_ON_ERROR(retVal);
retVal = initializeAppVariables();
ASSERT_ON_ERROR(retVal);
return retVal; /* Success */
}
int main(void)
{
/* Init board */
BoardInit();
/* Init GPIO */
InitGPIO();
/* Init UART */
MAP_PRCMPeripheralClkEnable(PRCM_UARTA0, PRCM_RUN_MODE_CLK);
InitTerm();
/* Init I2C */
I2C_IF_Open(I2C_MASTER_MODE_FST);
/* Init the internet! */
// http://azug.minpet.unibas.ch/~lukas/bricol/ti_simplelink/resources/swru368.pdf SECTION 10
dhcpParams.lease_time = 1000;
dhcpParams.ipv4_addr_start = 0xc0a80102;
dhcpParams.ipv4_addr_last = 0xc0a801fe;
sl_Start(NULL,NULL,NULL);
MAP_UtilsDelay(8000000);
// config IP etc
ipV4.ipV4 = 0xc0a80101;
ipV4.ipV4Mask = 0xFFFFFF00;
ipV4.ipV4Gateway = 0xc0a80101;
ipV4.ipV4DnsServer = 0xc0a80101;
sl_NetCfgSet(SL_IPV4_AP_P2P_GO_STATIC_ENABLE, 1 ,sizeof(SlNetCfgIpV4Args_t), (unsigned char*) &ipV4);
sl_WlanSetMode(ROLE_AP);
// config SSID
sl_WlanSet(SL_WLAN_CFG_AP_ID,WLAN_AP_OPT_SSID, strlen(myssid), (unsigned char*) myssid);
sl_Stop(100);
sl_Start(NULL,NULL,NULL);
// start DHCP server
sl_NetAppStop(SL_NET_APP_DHCP_SERVER_ID);
sl_NetAppSet(SL_NET_APP_DHCP_SERVER_ID, NETAPP_SET_DHCP_SRV_BASIC_OPT, outLen,(unsigned char*) &dhcpParams);
sl_NetAppStart(SL_NET_APP_DHCP_SERVER_ID);
//Stop Internal HTTP Serve
long lRetVal = -1;
lRetVal = sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
ASSERT_ON_ERROR( lRetVal);
//Start Internal HTTP Server
lRetVal = sl_NetAppStart(SL_NET_APP_HTTP_SERVER_ID);
ASSERT_ON_ERROR( lRetVal);
/* Finished init the internet! */
setRLED();
/* Wait for operator */
while(!readDIP1());
clearRLED();
/* Init IMU (alongside timers and interrupt */
imu_setup();
/* Init odometers */
odometer_setup();
set_controller_parameters(kp, ki, kd);
set__odo_controller_parameters(kp_odo, ki_odo, kd_odo);
/* Init motors (alongside motor GPIO, timers and interrupt */
motorSetup();
controller_setup();
odometer_controller_setup(); // MUST be the last init called!
while(1)
{
_SlNonOsMainLoopTask();
}
}
//*****************************************************************************
//
//! 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 Connects to the Network in AP or STA Mode - If ForceAP Jumper is
//! Placed, Force it to AP mode
//!
//! \return 0 - Success
//! -1 - Failure
//
//****************************************************************************
long ConnectToNetwork()
{
long lRetVal = -1;
unsigned int uiConnectTimeoutCnt =0;
// staring simplelink
lRetVal = sl_Start(NULL,NULL,NULL);
ASSERT_ON_ERROR( lRetVal);
// Device is in AP Mode and Force AP Jumper is not Connected
if(ROLE_STA != lRetVal && g_uiDeviceModeConfig == ROLE_STA )
{
if (ROLE_AP == lRetVal)
{
// If the device is in AP mode, we need to wait for this event
// before doing anything
while(!IS_IP_ACQUIRED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
}
//Switch to STA Mode
lRetVal = ConfigureMode(ROLE_STA);
ASSERT_ON_ERROR( lRetVal);
}
//Device is in STA Mode and Force AP Jumper is Connected
if(ROLE_AP != lRetVal && g_uiDeviceModeConfig == ROLE_AP )
{
//Switch to AP Mode
lRetVal = ConfigureMode(ROLE_AP);
ASSERT_ON_ERROR( lRetVal);
}
//No Mode Change Required
if(lRetVal == ROLE_AP)
{
//waiting for the AP to acquire IP address from Internal DHCP Server
// If the device is in AP mode, we need to wait for this event
// before doing anything
while(!IS_IP_ACQUIRED(g_ulStatus))
{
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
//Stop Internal HTTP Server
lRetVal = sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
ASSERT_ON_ERROR( lRetVal);
//Start Internal HTTP Server
lRetVal = sl_NetAppStart(SL_NET_APP_HTTP_SERVER_ID);
ASSERT_ON_ERROR( lRetVal);
char cCount=0;
//Blink LED 3 times to Indicate AP Mode
for(cCount=0;cCount<3;cCount++)
{
//Turn RED LED On
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
osi_Sleep(400);
//Turn RED LED Off
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
osi_Sleep(400);
}
char ssid[32];
unsigned short len = 32;
unsigned short config_opt = WLAN_AP_OPT_SSID;
sl_WlanGet(SL_WLAN_CFG_AP_ID, &config_opt , &len, (unsigned char* )ssid);
UART_PRINT("\n\r Connect to : \'%s\'\n\r\n\r",ssid);
}
else
{
//Stop Internal HTTP Server
lRetVal = sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
ASSERT_ON_ERROR( lRetVal);
//Start Internal HTTP Server
lRetVal = sl_NetAppStart(SL_NET_APP_HTTP_SERVER_ID);
ASSERT_ON_ERROR( lRetVal);
//waiting for the device to Auto Connect
while(uiConnectTimeoutCnt<AUTO_CONNECTION_TIMEOUT_COUNT &&
((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus))))
{
//Turn RED LED On
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
osi_Sleep(50);
//Turn RED LED Off
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
osi_Sleep(50);
uiConnectTimeoutCnt++;
}
//Couldn't connect Using Auto Profile
if(uiConnectTimeoutCnt == AUTO_CONNECTION_TIMEOUT_COUNT)
{
//Blink Red LED to Indicate Connection Error
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
CLR_STATUS_BIT_ALL(g_ulStatus);
//Connect Using Smart Config
lRetVal = SmartConfigConnect();
ASSERT_ON_ERROR(lRetVal);
//Waiting for the device to Auto Connect
while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus)))
{
MAP_UtilsDelay(500);
}
}
//Turn RED LED Off
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
g_iInternetAccess = ConnectionTest();
}
return SUCCESS;
}
//*****************************************************************************
//
//! 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;
}
/*!
\brief This function displays the filter options and read parameters to
create the filter.
\param[in] none
\return 0 for success, -ve otherwise
\note
\warning
*/
static _i32 FiltersMenu()
{
_i32 selection = -1;
_i8 equalYesNo = -1;
_i8 dropYesNo = -1;
_u32 frameTypeLength = 0;
_i32 fatherId = 0;
_u32 macAddress[MAC_ADDR_LENGTH] = {'\0'};
_u32 ipAddress[IP_ADDR_LENGTH] = {'\0'};
_u8 filterData[MAC_ADDR_LENGTH] = {'\0'};
_i32 retVal = -1;
_i32 idx = 0;
printf("\nPlease select a filter parameter:\n");
printf("\n1. Source MAC address\n");
printf("2. Destination MAC address\n");
printf("3. BSSID\n");
printf("4. Frame type\n");
printf("5. Frame subtype\n");
printf("6. Source IP address\n");
printf("7. Destination IP address\n");
printf("8. Packet length\n");
printf("9. Remove filter and exit menu\n");
printf("10. Enable filter and exit menu\n");
printf("Selection: \n");
while(1)
{
fflush(stdin);
scanf_s("%d",&selection, sizeof(selection));
switch(selection)
{
case 1:
case 2:
case 3:
PrintFilterType(selection);
printf("\nEnter the MAC address (xx:xx:xx:xx:xx:xx): \n");
fflush(stdin);
scanf("%2x:%2x:%2x:%2x:%2x:%2x", &macAddress[0],
&macAddress[1],
&macAddress[2],
&macAddress[3],
&macAddress[4],
&macAddress[5]);
for(idx = 0 ; idx < MAC_ADDR_LENGTH ; idx++ )
{
filterData[idx] = (_u8)macAddress[idx];
}
break;
case 4:
PrintFilterType(selection);
printf("Enter the frame type byte: \n");
fflush(stdin);
scanf_s("%2x",&frameTypeLength, sizeof(frameTypeLength));
filterData[0] = (_u8)frameTypeLength;
break;
case 5:
PrintFilterType(selection);
printf("\nCreating a frame subtype filter requires a parent frame type filter\r\n");
printf("Enter the frame type byte: \n");
fflush(stdin);
scanf_s("%2x",&frameTypeLength, sizeof(frameTypeLength));
filterData[0] = (_u8)frameTypeLength;
break;
case 6:
case 7:
PrintFilterType(selection);
printf("Enter the IP address: \n");
fflush(stdin);
scanf("%u.%u.%u.%u",&ipAddress[0],&ipAddress[1],&ipAddress[2],
&ipAddress[3]);
for(idx = 0 ; idx < IP_ADDR_LENGTH ; idx++ )
{
filterData[idx] = (_u8)ipAddress[idx];
}
break;
case 8:
PrintFilterType(selection);
printf("Enter desired length in Bytes (Maximum = 1472): \n");
fflush(stdin);
scanf_s("%u",&frameTypeLength, sizeof(frameTypeLength));
*(_u32 *)filterData = SWAP_UINT32(frameTypeLength);
printf("Target what lengths? (h - Higher than %u | l - Lower than %u): \n",
frameTypeLength,frameTypeLength);
fflush(stdin);
scanf_s("%c",&equalYesNo, sizeof(equalYesNo));
printf("Drop packets or not? (y/n): \n");
fflush(stdin);
scanf_s("%c",&dropYesNo, sizeof(dropYesNo));
printf("Enter filter ID of parent. Otherwise 0: \n");
fflush(stdin);
scanf_s("%u", &fatherId, sizeof(fatherId));
retVal= RxFiltersExample('1',selection,filterData,equalYesNo,dropYesNo,
(_i8)fatherId);
ASSERT_ON_ERROR(retVal);
printf("\nPlease select a filter parameter:\n");
printf("\n1. Source MAC address\n");
printf("2. Destination MAC address\n");
printf("3. BSSID\n");
printf("4. Frame type\n");
printf("5. Frame subtype\n");
printf("6. Source IP address\n");
printf("7. Destination IP address\n");
printf("8. Packet length\n");
printf("9. Remove filter and exit menu\n");
printf("10. Enable filter and exit menu\n");
printf("\nSelection: \n");
continue;
break;
case 9:
retVal = RxFiltersExample('2',0,NULL,0,0,0);
ASSERT_ON_ERROR(retVal);
return SUCCESS;
break;
case 10:
retVal = RxFiltersExample('3',0,NULL,0,0,0);
ASSERT_ON_ERROR(retVal);
return SUCCESS;
break;
default:
continue;
}
printf("Equal or not equal? (y/n): \n");
fflush(stdin);
scanf_s("%c",&equalYesNo, sizeof(equalYesNo));
printf("Drop the packet? (y/n): \n");
fflush(stdin);
scanf_s("%c",&dropYesNo, sizeof(dropYesNo));
printf("Enter filter ID of parent. Otherwise 0:: \n");
fflush(stdin);
scanf_s("%u", &fatherId, sizeof(fatherId));
retVal = RxFiltersExample('1', selection, filterData,
equalYesNo, dropYesNo, (_i8)fatherId);
if((retVal < 0) && (retVal != INVALID_PARENT_FILTER_ID))
{
return retVal;
}
printf("\nPlease select a filter parameter:\n");
printf("\n1. Source MAC address\n");
printf("2. Destination MAC address\n");
printf("3. BSSID\n");
printf("4. Frame type\n");
printf("5. Frame subtype\n");
printf("6. Source IP address\n");
printf("7. Destination IP address\n");
printf("8. Packet length\n");
printf("9. Remove and exit\n");
printf("10. Enable and exit\n");
printf("Selection:\n");
}
return SUCCESS;
}
