Esempio n. 1
0
void systemInit(void)
{
	RCC_ClocksTypeDef rccClocks;

	///////////////////////////////////

	// Init cycle counter
    cycleCounterInit();

    // SysTick
    SysTick_Config(SystemCoreClock / 1000);

    // Turn on peripherial clocks
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12,    ENABLE);

	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1,     ENABLE);  // USART1, USART2
	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2,     ENABLE);  // ADC2

	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA,    ENABLE);
	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB,    ENABLE);
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC,    ENABLE);

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2,   ENABLE);

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,   ENABLE);  // PPM RX
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,   ENABLE);  // PWM ESC Out 1 & 2
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,   ENABLE);  // PWM ESC Out 5 & 6
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,   ENABLE);  // PWM Servo Out 1, 2, 3, & 4
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6,   ENABLE);  // 500 Hz dt Counter
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7,   ENABLE);  // 100 Hz dt Counter
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM15,  ENABLE);  // PWM ESC Out 3 & 4
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM16,  ENABLE);  // RangeFinder PWM
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM17,  ENABLE);  // Spektrum Frame Sync

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);  // Telemetry
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);  // GPS
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);  // Spektrum RX

    ///////////////////////////////////////////////////////////////////////////

    spiInit(SPI2);

    ///////////////////////////////////

    checkSensorEEPROM(false);
	checkSystemEEPROM(false);

	readSensorEEPROM();
	readSystemEEPROM();

	///////////////////////////////////

	if (systemConfig.receiverType == SPEKTRUM)
		checkSpektrumBind();

    ///////////////////////////////////

	checkResetType();

	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);  // 2 bits for pre-emption priority, 2 bits for subpriority

	///////////////////////////////////

	gpsPortClearBuffer       = &uart2ClearBuffer;
    gpsPortNumCharsAvailable = &uart2NumCharsAvailable;
    gpsPortPrintBinary       = &uart2PrintBinary;
    gpsPortRead              = &uart2Read;

    telemPortAvailable       = &uart1Available;
    telemPortPrint           = &uart1Print;
    telemPortPrintF          = &uart1PrintF;
    telemPortRead            = &uart1Read;

	///////////////////////////////////

	initMixer();

	usbInit();

	gpioInit();

	uart1Init();
    uart2Init();

    LED0_OFF;

    delay(10000);  // 10 seconds of 20 second delay for sensor stabilization

    checkUsbActive();

    ///////////////////////////////////

    #ifdef __VERSION__
        cliPortPrintF("\ngcc version " __VERSION__ "\n");
    #endif

    cliPortPrintF("\nFF32mini Firmware V%s, Build Date " __DATE__ " "__TIME__" \n", __FF32MINI_VERSION);

    if ((RCC->CR & RCC_CR_HSERDY) != RESET)
    {
        cliPortPrint("\nRunning on external HSE clock....\n");
    }
    else
    {
        cliPortPrint("\nERROR: Running on internal HSI clock....\n");
    }

    RCC_GetClocksFreq(&rccClocks);

    cliPortPrintF("\nHCLK->   %2d MHz\n",   rccClocks.HCLK_Frequency   / 1000000);
    cliPortPrintF(  "PCLK1->  %2d MHz\n",   rccClocks.PCLK1_Frequency  / 1000000);
    cliPortPrintF(  "PCLK2->  %2d MHz\n",   rccClocks.PCLK2_Frequency  / 1000000);
    cliPortPrintF(  "SYSCLK-> %2d MHz\n\n", rccClocks.SYSCLK_Frequency / 1000000);

    if (systemConfig.receiverType == PPM)
    	cliPortPrint("Using PPM Receiver....\n\n");
    else
    	cliPortPrint("Using Spektrum Satellite Receiver....\n\n");

    initUBLOX();

    delay(10000);  // Remaining 10 seconds of 20 second delay for sensor stabilization - probably not long enough..

    ///////////////////////////////////

	adcInit();
    aglInit();
    pwmServoInit();

    if (systemConfig.receiverType == SPEKTRUM)
        spektrumInit();
    else
        ppmRxInit();

    timingFunctionsInit();

    batteryInit();

    initFirstOrderFilter();
    initMavlink();
    initPID();

    LED0_ON;

    initMPU6000();
    initMag();
    initPressure();
}
Esempio n. 2
0
int main(void)
{
	///////////////////////////////////////////////////////////////////////////

	uint32_t currentTime;

    systemReady = false;

    systemInit();

    systemReady = true;

    evrPush(EVR_StartingMain, 0);

    while (1)
    {
    	evrCheck();

    	///////////////////////////////

        if (frame_50Hz)
        {
        	frame_50Hz = false;

        	currentTime      = micros();
			deltaTime50Hz    = currentTime - previous50HzTime;
			previous50HzTime = currentTime;

			processFlightCommands();

            if (newTemperatureReading && newPressureReading)
            {
                d1Value = d1.value;
                d2Value = d2.value;

                calculateTemperature();
                calculatePressureAltitude();

                newTemperatureReading = false;
                newPressureReading    = false;
            }

            sensors.pressureAlt50Hz = firstOrderFilter(sensors.pressureAlt50Hz, &firstOrderFilters[PRESSURE_ALT_LOWPASS]);

			executionTime50Hz = micros() - currentTime;
        }

        ///////////////////////////////

        if (frame_10Hz)
        {
        	frame_10Hz = false;

        	currentTime      = micros();
			deltaTime10Hz    = currentTime - previous10HzTime;
			previous10HzTime = currentTime;

			if (newMagData == true)
			{
				sensors.mag10Hz[XAXIS] =   (float)rawMag[XAXIS].value * magScaleFactor[XAXIS] - sensorConfig.magBias[XAXIS];
			    sensors.mag10Hz[YAXIS] = -((float)rawMag[YAXIS].value * magScaleFactor[YAXIS] - sensorConfig.magBias[YAXIS]);
			    sensors.mag10Hz[ZAXIS] = -((float)rawMag[ZAXIS].value * magScaleFactor[ZAXIS] - sensorConfig.magBias[ZAXIS]);

			    newMagData = false;
			    magDataUpdate = true;
            }

        	decodeUbloxMsg();

        	batMonTick();

        	checkUsbActive();

        	cliCom();

            if (systemConfig.mavlinkEnabled == true)
            {
				mavlinkSendAttitude();
				mavlinkSendVfrHud();
			}

        	executionTime10Hz = micros() - currentTime;
        }

        ///////////////////////////////

        if (frame_500Hz)
        {
			frame_500Hz = false;

       	    currentTime       = micros();
       	    deltaTime500Hz    = currentTime - previous500HzTime;
       	    previous500HzTime = currentTime;

       	    TIM_Cmd(TIM6, DISABLE);
       	 	timerValue = TIM_GetCounter(TIM6);
       	 	TIM_SetCounter(TIM6, 0);
       	 	TIM_Cmd(TIM6, ENABLE);

       	 	dt500Hz = (float)timerValue * 0.0000005f;  // For integrations in 500 Hz loop

       	    computeMPU6000TCBias();

       	    sensors.accel500Hz[XAXIS] = -((float)accelSummedSamples500Hz[XAXIS] * 0.5f - sensorConfig.accelBiasMPU[XAXIS] - accelTCBias[XAXIS]) * sensorConfig.accelScaleFactorMPU[XAXIS];
            sensors.accel500Hz[YAXIS] =  ((float)accelSummedSamples500Hz[YAXIS] * 0.5f - sensorConfig.accelBiasMPU[YAXIS] - accelTCBias[YAXIS]) * sensorConfig.accelScaleFactorMPU[YAXIS];
            sensors.accel500Hz[ZAXIS] = -((float)accelSummedSamples500Hz[ZAXIS] * 0.5f - sensorConfig.accelBiasMPU[ZAXIS] - accelTCBias[ZAXIS]) * sensorConfig.accelScaleFactorMPU[ZAXIS];

            //sensors.accel500Hz[XAXIS] = firstOrderFilter(sensors.accel500Hz[XAXIS], &firstOrderFilters[ACCEL500HZ_X_LOWPASS]);
            //sensors.accel500Hz[YAXIS] = firstOrderFilter(sensors.accel500Hz[YAXIS], &firstOrderFilters[ACCEL500HZ_Y_LOWPASS]);
            //sensors.accel500Hz[ZAXIS] = firstOrderFilter(sensors.accel500Hz[ZAXIS], &firstOrderFilters[ACCEL500HZ_Z_LOWPASS]);

            sensors.gyro500Hz[ROLL ] = -((float)gyroSummedSamples500Hz[ROLL]  / 2.0f - gyroRTBias[ROLL ] - gyroTCBias[ROLL ]) * GYRO_SCALE_FACTOR;
            sensors.gyro500Hz[PITCH] =  ((float)gyroSummedSamples500Hz[PITCH] / 2.0f - gyroRTBias[PITCH] - gyroTCBias[PITCH]) * GYRO_SCALE_FACTOR;
            sensors.gyro500Hz[YAW  ] = -((float)gyroSummedSamples500Hz[YAW]   / 2.0f - gyroRTBias[YAW  ] - gyroTCBias[YAW  ]) * GYRO_SCALE_FACTOR;

            MargAHRSupdate( sensors.gyro500Hz[ROLL],   sensors.gyro500Hz[PITCH],  sensors.gyro500Hz[YAW],
                            sensors.accel500Hz[XAXIS], sensors.accel500Hz[YAXIS], sensors.accel500Hz[ZAXIS],
                            sensors.mag10Hz[XAXIS],    sensors.mag10Hz[YAXIS],    sensors.mag10Hz[ZAXIS],
                            sensorConfig.accelCutoff,
                            magDataUpdate,
                            dt500Hz );

            magDataUpdate = false;

            computeAxisCommands(dt500Hz);
            mixTable();
            writeServos();
            writeMotors();

       	    executionTime500Hz = micros() - currentTime;
		}

        ///////////////////////////////

        if (frame_100Hz)
        {
        	frame_100Hz = false;

        	currentTime       = micros();
			deltaTime100Hz    = currentTime - previous100HzTime;
			previous100HzTime = currentTime;

			TIM_Cmd(TIM7, DISABLE);
			timerValue = TIM_GetCounter(TIM7);
			TIM_SetCounter(TIM7, 0);
			TIM_Cmd(TIM7, ENABLE);

			dt100Hz = (float)timerValue * 0.0000005f;  // For integrations in 100 Hz loop

            sensors.accel100Hz[XAXIS] = -((float)accelSummedSamples100Hz[XAXIS] * 0.1f - sensorConfig.accelBiasMPU[XAXIS] - accelTCBias[XAXIS]) * sensorConfig.accelScaleFactorMPU[XAXIS];
            sensors.accel100Hz[YAXIS] =  ((float)accelSummedSamples100Hz[YAXIS] * 0.1f - sensorConfig.accelBiasMPU[YAXIS] - accelTCBias[YAXIS]) * sensorConfig.accelScaleFactorMPU[YAXIS];
            sensors.accel100Hz[ZAXIS] = -((float)accelSummedSamples100Hz[ZAXIS] * 0.1f - sensorConfig.accelBiasMPU[ZAXIS] - accelTCBias[ZAXIS]) * sensorConfig.accelScaleFactorMPU[ZAXIS];

			//sensors.accel100Hz[XAXIS] = firstOrderFilter(sensors.accel100Hz[XAXIS], &firstOrderFilters[ACCEL100HZ_X_LOWPASS]);
			//sensors.accel100Hz[YAXIS] = firstOrderFilter(sensors.accel100Hz[YAXIS], &firstOrderFilters[ACCEL100HZ_Y_LOWPASS]);
			//sensors.accel100Hz[ZAXIS] = firstOrderFilter(sensors.accel100Hz[ZAXIS], &firstOrderFilters[ACCEL100HZ_Z_LOWPASS]);

			createRotationMatrix();
            bodyAccelToEarthAccel();
            vertCompFilter(dt100Hz);

            if (armed == true)
            {
				if ( systemConfig.activeTelemetry == 1 )
                {
            	    // 500 Hz Accels
            	    telemPortPrintF("%9.4f, %9.4f, %9.4f\n", sensors.accel500Hz[XAXIS],
            	            			                     sensors.accel500Hz[YAXIS],
            	            			                     sensors.accel500Hz[ZAXIS]);
                }

                if ( systemConfig.activeTelemetry == 2 )
                {
            	    // 500 Hz Gyros
            	    telemPortPrintF("%9.4f, %9.4f, %9.4f\n", sensors.gyro500Hz[ROLL ],
            	            			                     sensors.gyro500Hz[PITCH],
            	            					             sensors.gyro500Hz[YAW  ]);
                }

                if ( systemConfig.activeTelemetry == 4 )
                {
            	    // 500 Hz Attitudes
            	    telemPortPrintF("%9.4f, %9.4f, %9.4f\n", sensors.attitude500Hz[ROLL ],
            	            			                     sensors.attitude500Hz[PITCH],
            	            			                     sensors.attitude500Hz[YAW  ]);
                }

                if ( systemConfig.activeTelemetry == 8 )
                {
               	    // Vertical Variables
            	    telemPortPrintF("%9.4f, %9.4f, %9.4f, %9.4f, %4ld\n", earthAxisAccels[ZAXIS],
            	    		                                              sensors.pressureAlt50Hz,
            	    		                                              hDotEstimate,
            	    		                                              hEstimate,
            	    		                                              ms5611Temperature);
                }

                if ( systemConfig.activeTelemetry == 16 )
                {
               	    // Vertical Variables
            	    telemPortPrintF("%9.4f, %9.4f, %9.4f, %4ld, %1d, %9.4f, %9.4f\n", verticalVelocityCmd,
            	    		                                                          hDotEstimate,
            	    		                                                          hEstimate,
            	    		                                                          ms5611Temperature,
            	    		                                                          verticalModeState,
            	    		                                                          throttleCmd,
            	    		                                                          systemConfig.PID[HDOT_PID].iTerm);
                }

            }

            executionTime100Hz = micros() - currentTime;
        }

        ///////////////////////////////

        if (frame_5Hz)
        {
        	frame_5Hz = false;

        	currentTime     = micros();
			deltaTime5Hz    = currentTime - previous5HzTime;
			previous5HzTime = currentTime;

			gpsUpdated();

            //if (systemConfig.mavlinkEnabled == true)
            //{
			//	mavlinkSendGpsRaw();
			//}

			if (batMonVeryLowWarning > 0)
			{
				BEEP_TOGGLE;
				batMonVeryLowWarning--;
			}

			if (execUp == true)
			    LED0_TOGGLE;

			executionTime5Hz = micros() - currentTime;
        }

        ///////////////////////////////

        if (frame_1Hz)
        {
        	frame_1Hz = false;

        	currentTime     = micros();
			deltaTime1Hz    = currentTime - previous1HzTime;
			previous1HzTime = currentTime;

			if (execUp == false)
			    execUpCount++;

			if ((execUpCount == 5) && (execUp == false))
			{
			    execUp = true;

			    pwmEscInit();

			    homeData.magHeading = sensors.attitude500Hz[YAW];
			}

			if (batMonLowWarning > 0)
			{
				BEEP_TOGGLE;
				batMonLowWarning--;
			}

            if (systemConfig.mavlinkEnabled == true)
            {
				mavlinkSendHeartbeat();
				mavlinkSendSysStatus();
			}

			executionTime1Hz = micros() - currentTime;
        }

        ////////////////////////////////
    }

    ///////////////////////////////////////////////////////////////////////////
}
Esempio n. 3
0
void systemInit(void)
{
    RCC_ClocksTypeDef rccClocks;

	///////////////////////////////////

	// Init cycle counter
    cycleCounterInit();

    // SysTick
    SysTick_Config(SystemCoreClock / 1000);

    // Turn on peripherial clcoks
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,   ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2,   ENABLE);

    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1,   ENABLE);
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2,   ENABLE);

    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,  ENABLE);
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,  ENABLE);
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC,  ENABLE);
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD,  ENABLE);
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE,  ENABLE);

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,   ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2,   ENABLE);

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2,   ENABLE);
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI3,   ENABLE);

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,   ENABLE);
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,   ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,   ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,   ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5,   ENABLE);
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6,   ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8,   ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM10,  ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM11,  ENABLE);

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);

    ///////////////////////////////////

    checkFirstTime(false);
	readEEPROM();

	if (eepromConfig.receiverType == SPEKTRUM)
		checkSpektrumBind();

	checkResetType();

	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);  // 2 bits for pre-emption priority, 2 bits for subpriority

	///////////////////////////////////

	gpsPortClearBuffer       = &uart2ClearBuffer;
    gpsPortNumCharsAvailable = &uart2NumCharsAvailable;
    gpsPortPrintBinary       = &uart2PrintBinary;
    gpsPortRead              = &uart2Read;

	telemPortAvailable       = &uart1Available;
	telemPortPrint           = &uart1Print;
	telemPortPrintF          = &uart1PrintF;
	telemPortRead            = &uart1Read;

	///////////////////////////////////

	initMixer();

    usbInit();

    ledInit();

    uart1Init();
    uart2Init();

    BLUE_LED_ON;

    ///////////////////////////////////

    delay(10000);  // 10 seconds of 20 second delay for sensor stabilization

    checkUsbActive();

    #ifdef __VERSION__
        cliPortPrintF("\ngcc version " __VERSION__ "\n");
    #endif

    cliPortPrintF("\nAQ32Plus Firmware V%s, Build Date " __DATE__ " "__TIME__" \n", __AQ32PLUS_VERSION);

    if ((RCC->CR & RCC_CR_HSERDY) != RESET)
    {
        cliPortPrint("\nRunning on external HSE clock....\n");
    }
    else
    {
        cliPortPrint("\nERROR: Running on internal HSI clock....\n");
    }

    RCC_GetClocksFreq(&rccClocks);

    cliPortPrintF("\nHCLK->   %3d MHz\n",   rccClocks.HCLK_Frequency   / 1000000);
    cliPortPrintF(  "PCLK1->  %3d MHz\n",   rccClocks.PCLK1_Frequency  / 1000000);
    cliPortPrintF(  "PCLK2->  %3d MHz\n",   rccClocks.PCLK2_Frequency  / 1000000);
    cliPortPrintF(  "SYSCLK-> %3d MHz\n\n", rccClocks.SYSCLK_Frequency / 1000000);

    initUBLOX();

    delay(10000);  // Remaining 10 seconds of 20 second delay for sensor stabilization - probably not long enough..

    ///////////////////////////////////

    adcInit();
    i2cInit(I2C1);
    i2cInit(I2C2);
    pwmServoInit();
    rxInit();
    spiInit(SPI2);
    spiInit(SPI3);
    timingFunctionsInit();

    batteryInit();

    initFirstOrderFilter();
    initMavlink();
    initMax7456();
    initPID();

    GREEN_LED_ON;

    initMPU6000();
    initMag();
    initPressure();
}
Esempio n. 4
0
int main(void)
{
    ///////////////////////////////////////////////////////////////////////////

    uint32_t currentTime;

	arm_matrix_instance_f32 a;
	arm_matrix_instance_f32 b;
	arm_matrix_instance_f32 x;

    systemReady = false;

    systemInit();

    systemReady = true;

    evrPush(EVR_StartingMain, 0);

    #ifdef _DTIMING

        #define LA1_ENABLE       GPIO_SetBits(GPIOA,   GPIO_Pin_4)
        #define LA1_DISABLE      GPIO_ResetBits(GPIOA, GPIO_Pin_4)
        #define LA4_ENABLE       GPIO_SetBits(GPIOC,   GPIO_Pin_5)
        #define LA4_DISABLE      GPIO_ResetBits(GPIOC, GPIO_Pin_5)
        #define LA2_ENABLE       GPIO_SetBits(GPIOC,   GPIO_Pin_2)
        #define LA2_DISABLE      GPIO_ResetBits(GPIOC, GPIO_Pin_2)
        #define LA3_ENABLE       GPIO_SetBits(GPIOC,   GPIO_Pin_3)
        #define LA3_DISABLE      GPIO_ResetBits(GPIOC, GPIO_Pin_3)

        GPIO_InitTypeDef GPIO_InitStructure;

        RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,   ENABLE);
        RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,   ENABLE);
        RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC,   ENABLE);

        GPIO_StructInit(&GPIO_InitStructure);

        // Init pins
        GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_4;
        GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;

        GPIO_Init(GPIOA, &GPIO_InitStructure);

        // Init pins
        GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_0 | GPIO_Pin_1;
      //GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;
      //GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      //GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
      //GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;

        GPIO_Init(GPIOB, &GPIO_InitStructure);

        // Init pins
        GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_5;
      //GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;
      //GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      //GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
      //GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;

        GPIO_Init(GPIOC, &GPIO_InitStructure);

        // PB0_DISABLE;
        LA4_DISABLE;
        LA2_DISABLE;
        LA3_DISABLE;
        LA1_DISABLE;

    #endif

    while (1)
    {
        checkUsbActive(false);

        evrCheck();

        ///////////////////////////////

        if (frame_50Hz)
        {
            #ifdef _DTIMING
                LA2_ENABLE;
            #endif

            frame_50Hz = false;

            currentTime      = micros();
            deltaTime50Hz    = currentTime - previous50HzTime;
            previous50HzTime = currentTime;

            processFlightCommands();

            if (newTemperatureReading && newPressureReading)
            {
                d1Value = d1.value;
                d2Value = d2.value;

                calculateTemperature();
                calculatePressureAltitude();

                newTemperatureReading = false;
                newPressureReading    = false;
            }

            sensors.pressureAlt50Hz = firstOrderFilter(sensors.pressureAlt50Hz, &firstOrderFilters[PRESSURE_ALT_LOWPASS]);

            rssiMeasure();

            updateMax7456(currentTime, 0);

            executionTime50Hz = micros() - currentTime;

            #ifdef _DTIMING
                LA2_DISABLE;
            #endif
        }

        ///////////////////////////////

        if (frame_10Hz)
        {
            #ifdef _DTIMING
                LA4_ENABLE;
            #endif

            frame_10Hz = false;

            currentTime      = micros();
            deltaTime10Hz    = currentTime - previous10HzTime;
            previous10HzTime = currentTime;

            if (newMagData == true)
            {
			    nonRotatedMagData[XAXIS] = (rawMag[XAXIS].value * magScaleFactor[XAXIS]) - eepromConfig.magBias[XAXIS + eepromConfig.externalHMC5883];
			    nonRotatedMagData[YAXIS] = (rawMag[YAXIS].value * magScaleFactor[YAXIS]) - eepromConfig.magBias[YAXIS + eepromConfig.externalHMC5883];
			    nonRotatedMagData[ZAXIS] = (rawMag[ZAXIS].value * magScaleFactor[ZAXIS]) - eepromConfig.magBias[ZAXIS + eepromConfig.externalHMC5883];

			    arm_mat_init_f32(&a, 3, 3, (float *)hmcOrientationMatrix);

			    arm_mat_init_f32(&b, 3, 1, (float *)nonRotatedMagData);

			    arm_mat_init_f32(&x, 3, 1,          sensors.mag10Hz);

			    arm_mat_mult_f32(&a, &b, &x);

				newMagData = false;
			    magDataUpdate = true;
            }

            decodeUbloxMsg();

            batMonTick();

            cliCom();

            if (eepromConfig.mavlinkEnabled == true)
            {
				mavlinkSendAttitude();
				mavlinkSendVfrHud();
			}

            executionTime10Hz = micros() - currentTime;

            #ifdef _DTIMING
                LA4_DISABLE;
            #endif
        }

        ///////////////////////////////

        if (frame_500Hz)
        {
            #ifdef _DTIMING
                LA1_ENABLE;
            #endif

            frame_500Hz = false;

            currentTime       = micros();
            deltaTime500Hz    = currentTime - previous500HzTime;
            previous500HzTime = currentTime;

            TIM_Cmd(TIM10, DISABLE);
            timerValue = TIM_GetCounter(TIM10);
            TIM_SetCounter(TIM10, 0);
            TIM_Cmd(TIM10, ENABLE);

            dt500Hz = (float)timerValue * 0.0000005f;  // For integrations in 500 Hz loop

            computeMPU6000TCBias();

       	    nonRotatedAccelData[XAXIS] = ((float)accelSummedSamples500Hz[XAXIS] * 0.5f - accelTCBias[XAXIS]) * ACCEL_SCALE_FACTOR;
       	    nonRotatedAccelData[YAXIS] = ((float)accelSummedSamples500Hz[YAXIS] * 0.5f - accelTCBias[YAXIS]) * ACCEL_SCALE_FACTOR;
       	    nonRotatedAccelData[ZAXIS] = ((float)accelSummedSamples500Hz[ZAXIS] * 0.5f - accelTCBias[ZAXIS]) * ACCEL_SCALE_FACTOR;

		    arm_mat_init_f32(&a, 3, 3, (float *)mpuOrientationMatrix);

		    arm_mat_init_f32(&b, 3, 1, (float *)nonRotatedAccelData);

		    arm_mat_init_f32(&x, 3, 1,          sensors.accel500Hz);

		    arm_mat_mult_f32(&a, &b, &x);

            nonRotatedGyroData[ROLL ] = ((float)gyroSummedSamples500Hz[ROLL]  * 0.5f - gyroRTBias[ROLL ] - gyroTCBias[ROLL ]) * GYRO_SCALE_FACTOR;
            nonRotatedGyroData[PITCH] = ((float)gyroSummedSamples500Hz[PITCH] * 0.5f - gyroRTBias[PITCH] - gyroTCBias[PITCH]) * GYRO_SCALE_FACTOR;
            nonRotatedGyroData[YAW  ] = ((float)gyroSummedSamples500Hz[YAW]   * 0.5f - gyroRTBias[YAW  ] - gyroTCBias[YAW  ]) * GYRO_SCALE_FACTOR;

		    arm_mat_init_f32(&a, 3, 3, (float *)mpuOrientationMatrix);

		    arm_mat_init_f32(&b, 3, 1, (float *)nonRotatedGyroData);

		    arm_mat_init_f32(&x, 3, 1,          sensors.gyro500Hz);

		    arm_mat_mult_f32(&a, &b, &x);

            MargAHRSupdate(sensors.gyro500Hz[ROLL],   sensors.gyro500Hz[PITCH],  sensors.gyro500Hz[YAW],
                           sensors.accel500Hz[XAXIS], sensors.accel500Hz[YAXIS], sensors.accel500Hz[ZAXIS],
                           sensors.mag10Hz[XAXIS],    sensors.mag10Hz[YAXIS],    sensors.mag10Hz[ZAXIS],
                           eepromConfig.accelCutoff,
                           magDataUpdate,
                           dt500Hz);

            magDataUpdate = false;

            computeAxisCommands(dt500Hz);
            mixTable();
            writeServos();
            writeMotors();

            executionTime500Hz = micros() - currentTime;

            #ifdef _DTIMING
                LA1_DISABLE;
            #endif
        }

        ///////////////////////////////

        if (frame_100Hz)
        {
            #ifdef _DTIMING
                LA3_ENABLE;
            #endif

            frame_100Hz = false;

            currentTime       = micros();
            deltaTime100Hz    = currentTime - previous100HzTime;
            previous100HzTime = currentTime;

            TIM_Cmd(TIM11, DISABLE);
            timerValue = TIM_GetCounter(TIM11);
            TIM_SetCounter(TIM11, 0);
            TIM_Cmd(TIM11, ENABLE);

            dt100Hz = (float)timerValue * 0.0000005f;  // For integrations in 100 Hz loop

       	    nonRotatedAccelData[XAXIS] = ((float)accelSummedSamples100Hz[XAXIS] * 0.1f - accelTCBias[XAXIS]) * ACCEL_SCALE_FACTOR;
       	    nonRotatedAccelData[YAXIS] = ((float)accelSummedSamples100Hz[YAXIS] * 0.1f - accelTCBias[YAXIS]) * ACCEL_SCALE_FACTOR;
       	    nonRotatedAccelData[ZAXIS] = ((float)accelSummedSamples100Hz[ZAXIS] * 0.1f - accelTCBias[ZAXIS]) * ACCEL_SCALE_FACTOR;

		    arm_mat_init_f32(&a, 3, 3, (float *)mpuOrientationMatrix);

		    arm_mat_init_f32(&b, 3, 1, (float *)nonRotatedAccelData);

		    arm_mat_init_f32(&x, 3, 1,          sensors.accel100Hz);

		    arm_mat_mult_f32(&a, &b, &x);

            createRotationMatrix();
            bodyAccelToEarthAccel();
            vertCompFilter(dt100Hz);

            if (armed == true)
            {
				if ( eepromConfig.activeTelemetry == 1 )
                {
            	    // Roll Loop
					openLogPortPrintF("1,%1d,%9.4f,%9.4f,%9.4f,%9.4f,%9.4f,%9.4f\n", flightMode,
					        			                                             rateCmd[ROLL],
					        			                                             sensors.gyro500Hz[ROLL],
					        			                                             ratePID[ROLL],
                                                                                     attCmd[ROLL],
		                                                                             sensors.attitude500Hz[ROLL],
		                                                                             attPID[ROLL]);
                }

                if ( eepromConfig.activeTelemetry == 2 )
                {
            	    // Pitch Loop
					openLogPortPrintF("2,%1d,%9.4f,%9.4f,%9.4f,%9.4f,%9.4f,%9.4f\n", flightMode,
					        			                                             rateCmd[PITCH],
					        			                                             sensors.gyro500Hz[PITCH],
					        			                                             ratePID[PITCH],
                                                                                     attCmd[PITCH],
	                                                                                 sensors.attitude500Hz[PITCH],
	                                                                                 attPID[PITCH]);
                }

                if ( eepromConfig.activeTelemetry == 4 )
                {
            	    // Sensors
					openLogPortPrintF("3,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,%8.4f,\n", sensors.accel500Hz[XAXIS],
					        			                                                                              sensors.accel500Hz[YAXIS],
					        			                                                                              sensors.accel500Hz[ZAXIS],
					        			                                                                              sensors.gyro500Hz[ROLL],
                                                                                                                      sensors.gyro500Hz[PITCH],
	                                                                                                                  sensors.gyro500Hz[YAW],
	                                                                                                                  sensors.mag10Hz[XAXIS],
	                                                                                                                  sensors.mag10Hz[YAXIS],
	                                                                                                                  sensors.mag10Hz[ZAXIS],
	                                                                                                                  sensors.attitude500Hz[ROLL],
	                                                                                                                  sensors.attitude500Hz[PITCH],
	                                                                                                                  sensors.attitude500Hz[YAW]);

                }

                if ( eepromConfig.activeTelemetry == 8 )
                {

                }

                if ( eepromConfig.activeTelemetry == 16)
                {
               	    // Vertical Variables
            	    openLogPortPrintF("%9.4f, %9.4f, %9.4f, %4ld, %1d, %9.4f\n", verticalVelocityCmd,
            	    		                                                     hDotEstimate,
            	    		                                                     hEstimate,
            	    		                                                     ms5611Temperature,
            	    		                                                     verticalModeState,
            	    		                                                     throttleCmd);
                }
		    }

            executionTime100Hz = micros() - currentTime;

            #ifdef _DTIMING
                LA3_DISABLE;
            #endif
        }

        ///////////////////////////////

        if (frame_5Hz)
        {
            frame_5Hz = false;

            currentTime     = micros();
            deltaTime5Hz    = currentTime - previous5HzTime;
            previous5HzTime = currentTime;

            if (gpsValid() == true)
            {

			}

            //if (eepromConfig.mavlinkEnabled == true)
            //{
			//	mavlinkSendGpsRaw();
			//}

			if (batMonVeryLowWarning > 0)
			{
				LED1_TOGGLE;
				batMonVeryLowWarning--;
			}

            if (execUp == true)
                BLUE_LED_TOGGLE;

			executionTime5Hz = micros() - currentTime;
        }

        ///////////////////////////////

        if (frame_1Hz)
        {
            frame_1Hz = false;

            currentTime     = micros();
            deltaTime1Hz    = currentTime - previous1HzTime;
            previous1HzTime = currentTime;

            if (execUp == true)
                GREEN_LED_TOGGLE;

            if (execUp == false)
                execUpCount++;

            // Initialize sensors after being warmed up
            if ((execUpCount == 20) && (execUp == false))
            {
            	computeMPU6000RTData();
                initMag();
                initPressure();
			}

            // Initialize PWM and set mag after sensor warmup
            if ((execUpCount == 25) && (execUp == false))
            {
    			execUp = true;
    			pwmEscInit();
                homeData.magHeading = sensors.attitude500Hz[YAW];
			}

            if (batMonLowWarning > 0)
			{
				LED1_TOGGLE;
				batMonLowWarning--;
			}

            if (eepromConfig.mavlinkEnabled == true)
            {
				mavlinkSendHeartbeat();
				mavlinkSendSysStatus();
			}

            executionTime1Hz = micros() - currentTime;
        }

        ////////////////////////////////
    }

    ///////////////////////////////////////////////////////////////////////////
}