//****************************************************************************
//
//! The delay function uses timer to implement the delay time in milliseconds
//!
//! \param time in millisecond
//
//!  \return void
//****************************************************************************
static void delay(int time_ms)
{
    // Initialize Timer 0B as one-shot down counter.
    MAP_PRCMPeripheralClkEnable(PRCM_TIMERA0, PRCM_RUN_MODE_CLK);
    MAP_PRCMPeripheralReset(PRCM_TIMERA0);
    MAP_TimerConfigure(TIMERA0_BASE, TIMER_CFG_SPLIT_PAIR | TIMER_CFG_B_ONE_SHOT);
    MAP_TimerPrescaleSet(TIMERA0_BASE, TIMER_B, PRESCALE);
    //Load the value in milisecond
    MAP_TimerLoadSet(TIMERA0_BASE, TIMER_B, MILLISECONDS_TO_TICKS(time_ms));
    // Enable the timer
    MAP_TimerEnable(TIMERA0_BASE, TIMER_B);
    //Stall during debug
    MAP_TimerControlStall(TIMERA0_BASE, TIMER_B, 1);
    // Enable interrupt upon Time-out
    MAP_TimerIntEnable(TIMERA0_BASE, TIMER_TIMB_TIMEOUT);
    // Clear Interrupt Flag
    MAP_TimerIntClear(TIMERA0_BASE, MAP_TimerIntStatus(TIMERA0_BASE, true));
    //Wait until timer time-out
    while (MAP_TimerIntStatus(TIMERA0_BASE, true) != TIMER_TIMB_TIMEOUT){}
    //Disable the timer
    MAP_TimerDisable(TIMERA0_BASE, TIMER_B);
    //Disable Interrupt
    MAP_TimerIntDisable(TIMERA0_BASE, TIMER_TIMB_TIMEOUT);
    MAP_TimerIntUnregister(TIMERA0_BASE, TIMER_B);
}
Example #2
0
int main(void) {

	SystemInit();

	/*Initialize Erika related stuffs*/
	EE_system_init();

	/*Initialize systick */
	EE_systick_set_period(MILLISECONDS_TO_TICKS(1, SystemCoreClock));
	EE_systick_enable_int();
	EE_systick_start();

	console_init();

	stop = 0;
	calcRawSpeed();
	initState(kwips_rawspeed, initAlarms, initFreq, initKWPP);

	do
	{
		ch = readCharUSART();
	} while (ch != 't');



	ActivateTask(SuperTask);

	StartOS(OSDEFAULTAPPMODE);

	/* Forever loop: background activities (if any) should go here */
	for (;;) {
	}

}
Example #3
0
/* Increase Autoscroll rate */
void DoAutoscrollIncr( void )
{
    if ( Prefs()->autoscrollInterval == AUTOSCROLL_MIN_INTERVAL_VALUE ) {
        if ( Prefs()->autoscrollJump < AUTOSCROLL_MAX_JUMP_VALUE )
            Prefs()->autoscrollJump += AUTOSCROLL_INCR_JUMP_VALUE;
    }
    else {
        if ( Prefs()->autoscrollInterval <=
           MILLISECONDS_TO_TICKS( AUTOSCROLL_FINE_TRANSITION ) )
            Prefs()->autoscrollInterval -=
                MILLISECONDS_TO_TICKS( AUTOSCROLL_FINE_INCR_INTERVAL_VALUE );
        else
            Prefs()->autoscrollInterval -=
                MILLISECONDS_TO_TICKS( AUTOSCROLL_INCR_INTERVAL_VALUE );
    }
}
Example #4
0
/* Decrease Autoscroll rate */
void DoAutoscrollDecr( void )
{
    if ( Prefs()->autoscrollJump == AUTOSCROLL_MIN_JUMP_VALUE )
    {
        if ( Prefs()->autoscrollInterval <
             MILLISECONDS_TO_TICKS( AUTOSCROLL_FINE_TRANSITION ) )
            Prefs()->autoscrollInterval +=
                MILLISECONDS_TO_TICKS( AUTOSCROLL_FINE_INCR_INTERVAL_VALUE );
        else if ( Prefs()->autoscrollInterval <
                  MILLISECONDS_TO_TICKS( AUTOSCROLL_MAX_INTERVAL_VALUE ) )
            Prefs()->autoscrollInterval +=
                MILLISECONDS_TO_TICKS( AUTOSCROLL_INCR_INTERVAL_VALUE );
    }
    else {
        Prefs()->autoscrollJump -= AUTOSCROLL_INCR_JUMP_VALUE;
    }
}
Example #5
0
//*****************************************************************************
//
//!    starts the timer
//!
//! \param ulBase is the base address for the timer.
//! \param ulTimer selects amoung the TIMER_A or TIMER_B or TIMER_BOTH.
//! \param ulValue is the time delay in mSec after that run out, 
//!                 timer gives an interrupt.
//!
//! This function
//!     1. Load the Timer with the specified value.
//!     2. enables the timer.
//!
//! \return none
//!
//! \Note- HW Timer runs on 80MHz clock 
//
//*****************************************************************************
void Timer_IF_Start(unsigned long ulBase, unsigned long ulTimer, 
                unsigned long ulValue)
{
    MAP_TimerLoadSet(ulBase,ulTimer,MILLISECONDS_TO_TICKS(ulValue));
    //
    // Enable the GPT 
    //
    MAP_TimerEnable(ulBase,ulTimer);
}
Example #6
0
/*
 * MAIN TASK
 */
int main(void)
{
	//GPIO_InitTypeDef GPIO_InitStructure;

	SystemInit();
	/*Initializes Erika related stuffs*/
	EE_system_init();

	SWatch_state.errorStatus = errorSig;
	SWatch_state.ModelData.prevZCSigState = &ZCSig;
	SWatch_state.ModelData.dwork = &DWork;

	/* init state machine */
	SWatch_initialize(&SWatch_state,
			&Bplus, &Bminus, &Btime, &Btimer, &Balarm, &Bswatch, &Bstart, &Bstop,
			&hours, &minutes, &seconds, &tenths, &mode, &alarm_signal, &timer_exp);

	/*Initialize systick */
	EE_systick_set_period(MILLISECONDS_TO_TICKS(1, SystemCoreClock));
	EE_systick_enable_int();
	EE_systick_start();

	/* Initializes LCD and touchscreen */
	IOE_Config();
	/* Initialize the LCD */
	STM32f4_Discovery_LCD_Init();

	//	LCD_Clear(White);

	/* Set the LCD Text size */
	//	LCD_SetFont(&Font8x12);
	//	Lcd_Touch_Calibration();
	InitTouch(-0.102, 0.0656, -335, 10);

	/* Draw the background */
	DrawInit(MyWatchScr);
	LCD_SetTextColor(Black);
	LCD_SetBackColor(Black);
	LCD_DrawFullRect(10, 80, 240, 56);
	WPrint(&MyWatchScr[SEP1STR], ":");
	WPrint(&MyWatchScr[SEP2STR], ":");


	/* Program cyclic alarms which will fire after an initial offset,
	 * and after that periodically
	 * */
	SetRelAlarm(AlarmTaskLCD, 10, 50);
	SetRelAlarm(AlarmTaskClock, 10, 100);

	/* Forever loop: background activities (if any) should go here */
	for (;;) { 
	}

}
Example #7
0
static void delayAfterWelcomeMessageShown(void)
{
	unsigned int milliseconds = 0, lastInterval = 0;
	lastInterval = NOW_IN_TICKS;
	while (milliseconds < 5000)
	{
		if (TICKS_ELAPSED_SINCE(lastInterval) >= MILLISECONDS_TO_TICKS(100))
		{
			milliseconds += 100;
			lastInterval = NOW_IN_TICKS;
		}

		eventUpdates();
	}
}
Example #8
0
//*****************************************************************************
//
//!	main function demonstrates the use of the watchdog timer to perform system
//! reset.
//!
//! \param  None
//!
//! \return None
//
//*****************************************************************************
void main(void)
{
    tBoolean bRetcode;
    //
    // Initialize the board
    //
    BoardInit();
    //
    // Pinmuxing for LEDs
    //
    PinMuxConfig();
    //
    // configure RED LED
    //
    GPIO_IF_LedConfigure(LED1);

	GPIO_IF_LedOff(MCU_RED_LED_GPIO);

    //
    // Enable the peripherals used by this example.
    //
    MAP_PRCMPeripheralClkEnable(PRCM_WDT, PRCM_RUN_MODE_CLK);

    //
    // Set up the watchdog interrupt handler.
    //
    WDT_IF_Init(WatchdogIntHandler, MILLISECONDS_TO_TICKS(WD_PERIOD_MS));
    
    //
    // Start the timer. Once the timer is started, it cannot be disable.
    //
    MAP_WatchdogEnable(WDT_BASE);
    bRetcode = MAP_WatchdogRunning(WDT_BASE);
    if(!bRetcode)
    {
       WDT_IF_DeInit();
    }

    //
    // Loop forever while the LED winks as watchdog interrupts are handled.
    //
    while(FOREVER)
    {

    }
}
Example #9
0
//*****************************************************************************
//
//!    main function demonstrates the use of the watchdog timer to perform system
//! reset.
//!
//! \param  None
//!
//! \return None
//
//*****************************************************************************
void main(void)
{
    tBoolean bRetcode;
    //
    // Initialize the board
    //
    BoardInit();
    //
    // Pinmuxing for LEDs
    //
    PinMuxConfig();
    //
    // configure RED LED
    //
    GPIO_IF_LedConfigure(LED1);

    GPIO_IF_LedOff(MCU_RED_LED_GPIO);

    //
    // Set up the watchdog interrupt handler.
    //
    WDT_IF_Init(WatchdogIntHandler, MILLISECONDS_TO_TICKS(WD_PERIOD_MS));
    
    bRetcode = MAP_WatchdogRunning(WDT_BASE);
    if(!bRetcode)
    {
       WDT_IF_DeInit();
    }

    //
    // Loop forever while the LED winks as watchdog interrupts are handled.
    //
    while(FOREVER)
    {

    }
}
Example #10
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);
}
//****************************************************************************
//                            MAIN FUNCTION
//****************************************************************************
void main()
{
    long lRetVal = 0;
    char data[BUF_SIZE];
    char sent_data[BUF_SIZE];
    unsigned char highByte, lowByte;
    int i;

    unsigned long tempStartTimeStamp, tempStopTimeStamp;

    memset(sent_data, 0, 10);
    // Board Initialization
    BoardInit();

    // Configure the pinmux settings for the peripherals exercised
    PinMuxConfig();

    // Initialize the PWM outputs on the board
    InitServos();

    // Initialize the sensor ADC
    InitSensorADC();

    // Configuring UART
    InitTerm();

    // Display banner
    DisplayBanner(APPLICATION_NAME);

    // Connect to WIFI using default info
    //WlanConnect(NULL, NULL, NULL);
    WlanConnect("Nagui's Network", "SL_SEC_TYPE_WPA", "19520605");

    // Setup the TCP Server Socket
    BsdTcpServerSetup(PORT_NUM);

    // Recieve Data
    while (lRetVal >= 0)
    {
    	lRetVal = BsdTcpServerReceive(data);

		//SysTickPeriodSet(800000000);				// test
		//SysTickEnable();						// test
    	Timer_IF_Init(PRCM_TIMERA0, TIMERA0_BASE, TIMER_CFG_PERIODIC, TIMER_A, 0);
    	Timer_IF_Start(TIMERA0_BASE, TIMER_A, MILLISECONDS_TO_TICKS(2000));
		//tempStartTimeStamp = SysTickValueGet();		// test
    	tempStartTimeStamp = Timer_IF_GetCount(TIMERA0_BASE, TIMER_A);

    	for (i = 0; i<NUM_SERVOS; i++)
    	{
    		MoveServo((unsigned char)data[i], (enum Servo_Joint_Type)i);
    		UART_PRINT("%d", (unsigned int) data[i]);
    	}

    	for (i = 0; i< NUM_SENSORS; i++)
    	{
        	//UnsignedShort_to_UnsignedChar(GetSensorReading((enum Fingertip_Sensor_Type)i), &highByte, &lowByte);
    		UnsignedShort_to_UnsignedChar(GetSensorReading(SENSOR_FINGER_INDEX), &highByte, &lowByte);
        	sent_data[i*2] = (char)highByte;
        	sent_data[i*2+1] = (char)lowByte;
    	}
    	//tempStopTimeStamp = SysTickValueGet();					// test
    	tempStopTimeStamp = Timer_IF_GetCount(TIMERA0_BASE, TIMER_A);
    	lRetVal = BsdTcpServerSend(sent_data, 10);
    	UART_PRINT("timestamp start: %lu\n\r", tempStartTimeStamp);	//test
    	UART_PRINT("timestamp stop: %lu\n\r", tempStopTimeStamp);	//test
    	UART_PRINT("Sent 10 bytes to client.\n\r");

    }
    UART_PRINT("Exiting Application ...\n\r");

    // power of the Network processor
    lRetVal = sl_Stop(SL_STOP_TIMEOUT);

}
Example #12
0
//*****************************************************************************
//
//!    starts the timer
//!
//! \param ulBase is the base address for the timer.
//! \param ulTimer selects between the TIMER A and TIMER B.
//! \param ulValue is timer reload value (mSec) after which the timer will run out and gives an interrupt.
//!
//! This function
//!     1. Reload the Timer with the specified value.
//!
//! \return none
//
//*****************************************************************************
void Timer_IF_ReLoad(unsigned long ulBase, unsigned long ulTimer, 
                unsigned long ulValue)
{
    MAP_TimerLoadSet(ulBase,ulTimer,MILLISECONDS_TO_TICKS(ulValue));
}