Subversion Repositories FlightCtrl

#include <avr/io.h>

#include <avr/interrupt.h>

#include <avr/wdt.h>

#include <avr/pgmspace.h>

#include <stdarg.h>

#include <string.h>

#include "eeprom.h"

#include "timer0.h"

#include "uart0.h"

#include "rc.h"

#include "externalControl.h"

#include "debug.h"

#include "profiler.h"

#include "beeper.h"

#ifdef USE_DIRECT_GPS

#include "mk3mag.h"

#endif

#define FC_ADDRESS 1

#define NC_ADDRESS 2

#define MK3MAG_ADDRESS 3

#define FALSE	0

#define TRUE	1

DebugOut_t debugOut;

uint8_t requestedAnalogLabel = 255;

uint8_t requestedProfilerLabel = 255;

uint8_t request_verInfo;

uint8_t request_externalControl;

uint8_t request_display;

uint8_t request_display1;

uint8_t request_debugData;

uint8_t request_profilerData;

uint8_t request_PPMChannels;

uint8_t request_outputTest;

uint8_t request_variables;

uint8_t request_OSD;

uint8_t request_DCM_matrix;

/*

#define request_verInfo         (1<<0)

#define request_externalControl (1<<1)

#define request_display         (1<<3)

#define request_display1        (1<<4)

#define request_debugData       (1<<5)

#define request_data3D          (1<<6)

#define request_PPMChannels     (1<<7)

#define request_motorTest       (1<<8)

#define request_variables       (1<<9)

#define request_OSD             (1<<10)

*/

//uint16_t request = 0;

volatile uint8_t txd_buffer[TXD_BUFFER_LEN];

volatile uint8_t rxd_buffer_locked = FALSE;

volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];

volatile uint8_t txd_complete;

volatile uint8_t receivedBytes;

volatile uint8_t *pRxData;

volatile uint8_t rxDataLen;

uint8_t outputTestActive;

uint8_t outputTest[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

uint8_t confirmFrame;

typedef struct {

	int16_t heading;

}__attribute__((packed)) Heading_t;

IMUData imuData;

uint16_t debugDataTimer;

uint16_t profilerDataTimer;

uint16_t OSDDataTimer;

uint16_t debugDataInterval; // in 1ms

uint16_t profilerDataInterval; // in 1ms

uint16_t imuDataInterval; // in 1ms

uint16_t OSDDataInterval;

#ifdef USE_DIRECT_GPS

int16_t toMk3MagTimer;

#endif

// keep lables in flash to save 512 bytes of sram space

	   //1234567890123456

const char analogLabel0[]  PROGMEM = "AngleRoll";

const char analogLabel1[]  PROGMEM = "AnglePitch";

const char analogLabel2[]  PROGMEM = "AngleYaw";

const char analogLabel3[]  PROGMEM = "GyroX(Roll)";

const char analogLabel4[]  PROGMEM = "GyroY(Pitch)";

const char analogLabel5[]  PROGMEM = "GyroZ(Yaw)";

const char analogLabel6[]  PROGMEM = "AccX(0.01m/s^2)";

const char analogLabel7[]  PROGMEM = "AccY(0.01m/s^2)";

const char analogLabel8[]  PROGMEM = "AccZ(0.01m/s^2)";

const char analogLabel9[]  PROGMEM = "RC pitch";

const char analogLabel10[] PROGMEM = "RC yaw";

const char analogLabel11[] PROGMEM = "RC throttle";

const char analogLabel12[] PROGMEM = "Roll";

const char analogLabel13[] PROGMEM = "Pitch";

const char analogLabel14[] PROGMEM = "rollControl";

const char analogLabel15[] PROGMEM = "pitchControl";

const char analogLabel16[] PROGMEM = "M1";

const char analogLabel17[] PROGMEM = "M2";

const char analogLabel18[] PROGMEM = "M3";

const char analogLabel19[] PROGMEM = "M4";

const char analogLabel20[] PROGMEM = "flightmode";

const char analogLabel21[] PROGMEM = "Att freq";

const char analogLabel22[] PROGMEM = "Height[dm]";

const char analogLabel23[] PROGMEM = "dHeight";

const char analogLabel24[] PROGMEM = "attitudeSumCount";

const char analogLabel25[] PROGMEM = "simpleAirPressure";

const char analogLabel26[] PROGMEM = "OCR0A";

const char analogLabel27[] PROGMEM = "filteredAirPressure";

const char analogLabel28[] PROGMEM = "height";

const char analogLabel29[] PROGMEM = "Gyro Act Cont.";

const char analogLabel30[] PROGMEM = "GPS altitude";

const char analogLabel31[] PROGMEM = "GPS vert accura";

PGM_P ANALOG_LABELS[] PROGMEM = {

    analogLabel0,

    analogLabel1,

    analogLabel2,

    analogLabel3,

    analogLabel4,

    analogLabel5,

    analogLabel6,

    analogLabel7,

    analogLabel8,

    analogLabel9,

    analogLabel10,

    analogLabel11,

    analogLabel12,

    analogLabel13,

    analogLabel14,

    analogLabel15,

    analogLabel16,

    analogLabel17,

    analogLabel18,

    analogLabel19,

    analogLabel20,

    analogLabel21,

    analogLabel22,

    analogLabel23,

    analogLabel24,

    analogLabel25,

    analogLabel26,

    analogLabel27,

    analogLabel28,

    analogLabel29,

    analogLabel30,

    analogLabel31

};

/****************************************************************/

/*              Initialization of the USART0                    */

/****************************************************************/

void usart0_init(void) {

	uint8_t sreg = SREG;

	uint16_t ubrr = (F_CPU / (8 * USART0_BAUD) - 1);

	// disable all interrupts before configuration

	cli();

	// disable RX-Interrupt

	UCSR0B &= ~(1 << RXCIE0);

	// disable TX-Interrupt

	UCSR0B &= ~(1 << TXCIE0);

	// set direction of RXD0 and TXD0 pins

	// set RXD0 (PD0) as an input pin

	PORTD |= (1 << PORTD0);

	DDRD &= ~(1 << DDD0);

	// set TXD0 (PD1) as an output pin

	PORTD |= (1 << PORTD1);

	DDRD |= (1 << DDD1);

	// USART0 Baud Rate Register

	// set clock divider

	UBRR0H = (uint8_t) (ubrr >> 8);

	UBRR0L = (uint8_t) ubrr;

	// USART0 Control and Status Register A, B, C

	// enable double speed operation in

	UCSR0A |= (1 << U2X0);

	// enable receiver and transmitter in

	UCSR0B = (1 << TXEN0) | (1 << RXEN0);

	// set asynchronous mode

	UCSR0C &= ~(1 << UMSEL01);

	UCSR0C &= ~(1 << UMSEL00);

	// no parity

	UCSR0C &= ~(1 << UPM01);

	UCSR0C &= ~(1 << UPM00);

	// 1 stop bit

	UCSR0C &= ~(1 << USBS0);

	// 8-bit

	UCSR0B &= ~(1 << UCSZ02);

	UCSR0C |= (1 << UCSZ01);

	UCSR0C |= (1 << UCSZ00);

	// flush receive buffer

	while (UCSR0A & (1 << RXC0))

		UDR0;

	// enable interrupts at the end

	// enable RX-Interrupt

	UCSR0B |= (1 << RXCIE0);

	// enable TX-Interrupt

	UCSR0B |= (1 << TXCIE0);

	// initialize the debug timer

	debugDataTimer = setDelay(debugDataInterval);

	profilerDataTimer = setDelay(profilerDataInterval);

	// unlock rxd_buffer

	rxd_buffer_locked = FALSE;

	pRxData = 0;

	rxDataLen = 0;

	// no bytes to send

	txd_complete = TRUE;

#ifdef USE_DIRECT_GPS

	toMk3MagTimer = setDelay(220);

#endif

	versionInfo.SWMajor = VERSION_MAJOR;

	versionInfo.SWMinor = VERSION_MINOR;

	versionInfo.SWPatch = VERSION_PATCH;

	versionInfo.protoMajor = VERSION_SERIAL_MAJOR;

	versionInfo.protoMinor = VERSION_SERIAL_MINOR;

	// restore global interrupt flags

	SREG = sreg;

}

/****************************************************************/

/* USART0 transmitter ISR                                       */

/****************************************************************/

ISR(USART0_TX_vect) {

	static uint16_t ptr_txd_buffer = 0;

	uint8_t tmp_tx;

	if (!txd_complete) { // transmission not completed

		ptr_txd_buffer++; // die [0] wurde schon gesendet

		tmp_tx = txd_buffer[ptr_txd_buffer];

		// if terminating character or end of txd buffer was reached

		if ((tmp_tx == '\r') || (ptr_txd_buffer == TXD_BUFFER_LEN)) {

			ptr_txd_buffer = 0; // reset txd pointer

			txd_complete = 1; // stop transmission

		}

		UDR0 = tmp_tx; // send current byte will trigger this ISR again

	}

	// transmission completed

	else

		ptr_txd_buffer = 0;

}

/****************************************************************/

/* USART0 receiver               ISR                            */

/****************************************************************/

ISR(USART0_RX_vect) {

	static uint16_t checksum;

	static uint8_t ptr_rxd_buffer = 0;

	uint8_t checksum1, checksum2;

	uint8_t c;

	c = UDR0; // catch the received byte

	if (rxd_buffer_locked)

		return; // if rxd buffer is locked immediately return

	// the rxd buffer is unlocked

	if ((ptr_rxd_buffer == 0) && (c == '#')) { // if rxd buffer is empty and synchronization character is received

		rxd_buffer[ptr_rxd_buffer++] = c; // copy 1st byte to buffer

		checksum = c; // init checksum

	}

	else if (ptr_rxd_buffer < RXD_BUFFER_LEN) { // collect incoming bytes

		if (c != '\r') { // no termination character

			rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer

			checksum += c; // update checksum

		} else { // termination character was received

			// the last 2 bytes are no subject for checksum calculation

			// they are the checksum itself

			checksum -= rxd_buffer[ptr_rxd_buffer - 2];

			checksum -= rxd_buffer[ptr_rxd_buffer - 1];

			// calculate checksum from transmitted data

			checksum %= 4096;

			checksum1 = '=' + checksum / 64;

			checksum2 = '=' + checksum % 64;

			// compare checksum to transmitted checksum bytes

			if ((checksum1 == rxd_buffer[ptr_rxd_buffer - 2]) && (checksum2

					== rxd_buffer[ptr_rxd_buffer - 1])) {

				// checksum valid

				rxd_buffer[ptr_rxd_buffer] = '\r'; // set termination character

				receivedBytes = ptr_rxd_buffer + 1;// store number of received bytes

				rxd_buffer_locked = TRUE; // lock the rxd buffer

				// if 2nd byte is an 'R' enable watchdog that will result in an reset

				if (rxd_buffer[2] == 'R') {

					wdt_enable(WDTO_250MS);

				} // Reset-Commando

			} else { // checksum invalid

				rxd_buffer_locked = FALSE; // unlock rxd buffer

			}

			ptr_rxd_buffer = 0; // reset rxd buffer pointer

		}

	} else { // rxd buffer overrun

		ptr_rxd_buffer = 0; // reset rxd buffer

		rxd_buffer_locked = FALSE; // unlock rxd buffer

	}

}

// --------------------------------------------------------------------------

void addChecksum(uint16_t datalen) {

	uint16_t tmpchecksum = 0, i;

	for (i = 0; i < datalen; i++) {

		tmpchecksum += txd_buffer[i];

	}

	tmpchecksum %= 4096;

	txd_buffer[i++] = '=' + (tmpchecksum >> 6);

	txd_buffer[i++] = '=' + (tmpchecksum & 0x3F);

	txd_buffer[i++] = '\r';

	txd_complete = FALSE;

	UDR0 = txd_buffer[0]; // initiates the transmittion (continued in the TXD ISR)

}

// --------------------------------------------------------------------------

// application example:

// sendData('A', FC_ADDRESS, 2, (uint8_t *)&request_DebugLabel, sizeof(request_DebugLabel), label, 16);

/*

 void sendData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...) { // uint8_t *pdata, uint8_t len, ...

 va_list ap;

 uint16_t txd_bufferIndex = 0;

 uint8_t *currentBuffer;

 uint8_t currentBufferIndex;

 uint16_t lengthOfCurrentBuffer;

 uint8_t shift = 0;

 txd_buffer[txd_bufferIndex++] = '#';			// Start character

 txd_buffer[txd_bufferIndex++] = 'a' + addr;	        // Address (a=0; b=1,...)

 txd_buffer[txd_bufferIndex++] = cmd;			// Command

 va_start(ap, numofbuffers);

 while(numofbuffers) {

 currentBuffer = va_arg(ap, uint8_t*);

 lengthOfCurrentBuffer = va_arg(ap, int);

 currentBufferIndex = 0;

 // Encode data: 3 bytes of data are encoded into 4 bytes,

 // where the 2 most significant bits are both 0.

 while(currentBufferIndex != lengthOfCurrentBuffer) {

 if (!shift) txd_buffer[txd_bufferIndex] = 0;

 txd_buffer[txd_bufferIndex]  |= currentBuffer[currentBufferIndex] >> (shift + 2);

 txd_buffer[++txd_bufferIndex] = (currentBuffer[currentBufferIndex] << (4 - shift)) & 0b00111111;

 shift += 2;

 if (shift == 6) { shift=0; txd_bufferIndex++; }

 currentBufferIndex++;

 }

 }

 // If the number of data bytes was not divisible by 3, stuff

 //  with 0 pseudodata  until length is again divisible by 3.

 if (shift == 2) {

 // We need to stuff with zero bytes at the end.

 txd_buffer[txd_bufferIndex]  &= 0b00110000;

 txd_buffer[++txd_bufferIndex] = 0;

 shift = 4;

 }

 if (shift == 4) {

 // We need to stuff with zero bytes at the end.

 txd_buffer[txd_bufferIndex++] &= 0b00111100;

 txd_buffer[txd_bufferIndex]    = 0;

 }

 va_end(ap);

 Addchecksum(pt); // add checksum after data block and initates the transmission

 }

 */

void sendData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...) { // uint8_t *pdata, uint8_t len, ...

	va_list ap;

	uint16_t pt = 0;

	uint8_t a, b, c;

	uint8_t ptr = 0;

	uint8_t *pdata = 0;

	int len = 0;

	txd_buffer[pt++] = '#'; // Start character

	txd_buffer[pt++] = 'a' + addr; // Address (a=0; b=1,...)

	txd_buffer[pt++] = cmd; // Command

	va_start(ap, numofbuffers);

	if (numofbuffers) {

		pdata = va_arg(ap, uint8_t*);

		len = va_arg(ap, int);

		ptr = 0;

		numofbuffers--;

	}

	while (len) {

		if (len) {

			a = pdata[ptr++];

			len--;

			if ((!len) && numofbuffers) {

				pdata = va_arg(ap, uint8_t*);

				len = va_arg(ap, int);

				ptr = 0;

				numofbuffers--;

			}

		} else

			a = 0;

		if (len) {

			b = pdata[ptr++];

			len--;

			if ((!len) && numofbuffers) {

				pdata = va_arg(ap, uint8_t*);

				len = va_arg(ap, int);

				ptr = 0;

				numofbuffers--;

			}

		} else

			b = 0;

		if (len) {

			c = pdata[ptr++];

			len--;

			if ((!len) && numofbuffers) {

				pdata = va_arg(ap, uint8_t*);

				len = va_arg(ap, int);

				ptr = 0;

				numofbuffers--;

			}

		} else

			c = 0;

		txd_buffer[pt++] = '=' + (a >> 2);

		txd_buffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4));

		txd_buffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6));

		txd_buffer[pt++] = '=' + (c & 0x3f);

	}

	va_end(ap);

	addChecksum(pt); // add checksum after data block and initates the transmission

}

// --------------------------------------------------------------------------

void decode64(void) {

	uint8_t a, b, c, d;

	uint8_t x, y, z;

	uint8_t ptrIn = 3;

	uint8_t ptrOut = 3;

	uint8_t len = receivedBytes - 6;

	while (len) {

		a = rxd_buffer[ptrIn++] - '=';

		b = rxd_buffer[ptrIn++] - '=';

		c = rxd_buffer[ptrIn++] - '=';

		d = rxd_buffer[ptrIn++] - '=';

		//if(ptrIn > ReceivedBytes - 3) break;

		x = (a << 2) | (b >> 4);

		y = ((b & 0x0f) << 4) | (c >> 2);

		z = ((c & 0x03) << 6) | d;

		if (len--)

			rxd_buffer[ptrOut++] = x;

		else

			break;

		if (len--)

			rxd_buffer[ptrOut++] = y;

		else

			break;

		if (len--)

			rxd_buffer[ptrOut++] = z;

		else

			break;

	}

	pRxData = &rxd_buffer[3];

	rxDataLen = ptrOut - 3;

}

// --------------------------------------------------------------------------

void usart0_processRxData(void) {

	// We control the outputTestActive var from here: Count it down.

	if (outputTestActive)

	  outputTestActive--;

	// if data in the rxd buffer are not locked immediately return

	if (!rxd_buffer_locked)

		return;

	uint8_t tempchar[3];

	decode64(); // decode data block in rxd_buffer

	switch (rxd_buffer[1] - 'a') {

	case FC_ADDRESS:

		switch (rxd_buffer[2]) {

#ifdef USE_DIRECT_GPS

		case 'K':// compass value

		  // What is the point of this - the compass will overwrite this soon?

		magneticHeading = ((Heading_t *)pRxData)->heading;

		// compassOffCourse = ((540 + compassHeading - compassCourse) % 360) - 180;

		break;

#endif

		case 't': // motor test

			memcpy(&outputTest[0], (uint8_t*) pRxData, /*sizeof(outputTest)*/ 12); // 12 is an mktool limitation.

			outputTestActive = 255;

			// Huh??

			externalControlActive = 255;

			break;

		case 'n':// Read motor mixer

            tempchar[0] = EEMIXER_REVISION;

            tempchar[1] = sizeof(OutputMixer_t);

            while (!txd_complete)

                ; // wait for previous frame to be sent

			sendData('N', FC_ADDRESS, 2, &tempchar, 2, (uint8_t*)&outputMixer, sizeof(OutputMixer_t));

			break;

		case 'm':// "Set Mixer Table

			if (pRxData[0] == EEMIXER_REVISION && (pRxData[1] == sizeof(OutputMixer_t))) {

				memcpy(&outputMixer, (uint8_t*)&pRxData[2], sizeof(OutputMixer_t));

				outputMixer_writeToEEProm();

				while (!txd_complete)

					; // wait for previous frame to be sent

				tempchar[0] = 1;

			} else {

				tempchar[0] = 0;

			}

			sendData('M', FC_ADDRESS, 1, &tempchar, 1);

			break;

		case 'p': // get PPM channels

			request_PPMChannels = TRUE;

			break;

        case 'i':// Read IMU configuration

            tempchar[0] = IMUCONFIG_REVISION;

            tempchar[1] = sizeof(IMUConfig);

            while (!txd_complete)

                ; // wait for previous frame to be sent

            sendData('I', FC_ADDRESS, 2, &tempchar, 2, (uint8_t *) &IMUConfig, sizeof(IMUConfig));

            break;

        case 'j':// Save IMU configuration

          if (!(MKFlags & MKFLAG_MOTOR_RUN)) // save settings only if motors are off

          {

              if ((pRxData[0] == IMUCONFIG_REVISION) && (pRxData[1] == sizeof(IMUConfig))) {

                  memcpy(&IMUConfig, (uint8_t*) &pRxData[2], sizeof(IMUConfig));

                  IMUConfig_writeToEEprom();

                  tempchar[0] = 1; //indicate ok data

              } else {

                  tempchar[0] = 0; //indicate bad data

              }

              while (!txd_complete)

                  ; // wait for previous frame to be sent

              sendData('J', FC_ADDRESS, 1, &tempchar, 1);

          }

          break;

		case 'q':// request settings

			if (pRxData[0] == 0xFF) {

				pRxData[0] = getParamByte(PID_ACTIVE_SET);

			}

			// limit settings range

			if (pRxData[0] < 1)

				pRxData[0] = 1; // limit to 1

			else if (pRxData[0] > 5)

				pRxData[0] = 5; // limit to 5

			// load requested parameter set

			paramSet_readFromEEProm(pRxData[0]);

			tempchar[0] = pRxData[0];

			tempchar[1] = EEPARAM_REVISION;

			tempchar[2] = sizeof(staticParams);

			while (!txd_complete)

				; // wait for previous frame to be sent

			sendData('Q', FC_ADDRESS, 2, &tempchar, 3, (uint8_t *) &staticParams, sizeof(staticParams));

			break;

		case 's': // save settings

			if (!(MKFlags & MKFLAG_MOTOR_RUN)) // save settings only if motors are off

			{

				if ((1 <= pRxData[0]) && (pRxData[0] <= 5) && (pRxData[1] == EEPARAM_REVISION) && (pRxData[2] == sizeof(staticParams))) // check for setting to be in range and version of settings

				{

					memcpy(&staticParams, (uint8_t*) &pRxData[3], sizeof(staticParams));

					paramSet_writeToEEProm(pRxData[0]);

					setActiveParamSet(pRxData[0]);

					configuration_paramSetDidChange();

					tempchar[0] = getActiveParamSet();

					beepNumber(tempchar[0]);

				} else {

					tempchar[0] = sizeof(staticParams); //indicate bad data

				}

				while (!txd_complete)

					; // wait for previous frame to be sent

				sendData('S', FC_ADDRESS, 1, &tempchar, 1);

			}

			break;

		default:

			//unsupported command received

			break;

		} // case FC_ADDRESS:

	default: // any Slave Address

		switch (rxd_buffer[2]) {

		case 'a':// request for labels of the analog debug outputs

			requestedAnalogLabel = pRxData[0];

			if (requestedAnalogLabel > 31)

				requestedAnalogLabel = 31;

			break;

		case 'b': // submit extern control

			memcpy(&externalControl, (uint8_t*) pRxData, sizeof(ExternalControl_t));

			confirmFrame = externalControl.frame;

			externalControlActive = 255;

			break;

        case 'd': // request for the debug data

            debugDataInterval = (uint16_t) pRxData[0] * 10;

            if (debugDataInterval > 0)

                request_debugData = TRUE;

            break;

        case 'e': // Requeset for the DCM matrix

            request_DCM_matrix = TRUE;

            break;

        case 'f':

            requestedProfilerLabel = pRxData[0];

            if (requestedProfilerLabel > 15)

                requestedProfilerLabel = 15;

            break;

        case 'u':

            profilerDataInterval = (uint16_t) pRxData[0] * 10;

            if (profilerDataInterval > 0)

                request_profilerData = TRUE;

            break;

		case 'o':// request for OSD data (FC style)

		  OSDDataInterval = (uint16_t) pRxData[0] * 10;

		  if (OSDDataInterval > 0)

		    request_OSD = TRUE;

		  break;

		case 'v': // request for version and board release

			request_verInfo = TRUE;

			break;

		case 'x':

			request_variables = TRUE;

			break;

		case 'g':// get external control data

			request_externalControl = TRUE;

			break;

		default:

			//unsupported command received

			break;

		}

		break; // default:

	}

	// unlock the rxd buffer after processing

	pRxData = 0;

	rxDataLen = 0;

	rxd_buffer_locked = FALSE;

}

/************************************************************************/

/* Routine f�r die Serielle Ausgabe                                     */

/************************************************************************/

int uart_putchar(char c, FILE* fims) {

	if (c == '\n')

		uart_putchar('\r', fims);

	// wait until previous character was send

	loop_until_bit_is_set(UCSR0A, UDRE0);

	// send character

	UDR0 = c;

	return (0);

}

//---------------------------------------------------------------------------------------------

void usart0_transmitTxData(void) {

	if (!txd_complete)

		return;

	if (request_verInfo && txd_complete) {

		sendData('V', FC_ADDRESS, 1, (uint8_t *) &versionInfo, sizeof(versionInfo));

		request_verInfo = FALSE;

	}

	if (request_display && txd_complete) {

		request_display = FALSE;

	}

	if (request_display1 && txd_complete) {

		request_display1 = FALSE;

	}

	if (requestedAnalogLabel != 0xFF && txd_complete) {

		char label[17]; // local sram buffer

		memset(label, ' ', sizeof(label));

		strcpy_P(label, (PGM_P)pgm_read_word(&(ANALOG_LABELS[requestedAnalogLabel]))); // read label from flash to sram buffer

		sendData('A', FC_ADDRESS, 2, (uint8_t *) &requestedAnalogLabel, sizeof(requestedAnalogLabel), label, 16);

		requestedAnalogLabel = 0xFF;

	}

    if (requestedProfilerLabel != 0xFF && txd_complete) {

        char label[17]; // local sram buffer

        memset(label, ' ', sizeof(label));

        strcpy_P(label, (PGM_P)pgm_read_word(&(PROFILER_LABELS[requestedProfilerLabel]))); // read label from flash to sram buffer

        sendData('F', FC_ADDRESS, 2, (uint8_t *) &requestedProfilerLabel, sizeof(requestedProfilerLabel), label, 16);

        requestedProfilerLabel = 0xFF;

    }

	if (confirmFrame && txd_complete) { // Datensatz ohne checksum best�tigen

		sendData('B', FC_ADDRESS, 1, (uint8_t*) &confirmFrame, sizeof(confirmFrame));

		confirmFrame = 0;

	}

	if (((debugDataInterval && checkDelay(debugDataTimer)) || request_debugData) && txd_complete) {

		sendData('D', FC_ADDRESS, 1, (uint8_t *)&debugOut, sizeof(debugOut));

		debugDataTimer = setDelay(debugDataInterval);

		request_debugData = FALSE;

	}

    if (((profilerDataInterval && checkDelay(profilerDataTimer)) || request_profilerData) && txd_complete) {

        sendData('U', FC_ADDRESS, 2, (uint8_t *)&totalProfilerHits, sizeof(totalProfilerHits), (uint8_t *)&activitiesTimerHits, sizeof(activitiesTimerHits));

        profilerDataTimer = setDelay(profilerDataInterval);

        request_profilerData = FALSE;

    }

	if (request_DCM_matrix && txd_complete) {

		/*

		sendData('E', FC_ADDRESS, 1,

				(uint8_t *) &dcmGyro, sizeof(dcmGyro));

		*/

		request_DCM_matrix = FALSE;

	}

	if (request_externalControl && txd_complete) {

		sendData('G', FC_ADDRESS, 1, (uint8_t *) &externalControl,

				sizeof(externalControl));

		request_externalControl = FALSE;

	}

#ifdef USE_DIRECT_GPS

	if((checkDelay(toMk3MagTimer)) && txd_complete) {

		toMk3Mag.attitude[0] = (int16_t)(attitude[PITCH] / (GYRO_DEG_FACTOR_PITCHROLL/10)); // approx. 0.1 deg

		toMk3Mag.attitude[1] = (int16_t)(attitude[ROLL] / (GYRO_DEG_FACTOR_PITCHROLL/10)); // approx. 0.1 deg

		toMk3Mag.userParam[0] = dynamicParams.userParams[0];

		toMk3Mag.userParam[1] = dynamicParams.userParams[1];

		toMk3Mag.calState = compassCalState;

		sendData('w', MK3MAG_ADDRESS, 1,(uint8_t *) &toMk3Mag,sizeof(toMk3Mag));

		// the last state is 5 and should be send only once to avoid multiple flash writing

		if(compassCalState > 4) compassCalState = 0;

		toMk3MagTimer = setDelay(99);

	}

#endif

	if (request_outputTest && txd_complete) {

		sendData('T', FC_ADDRESS, 0);

		request_outputTest = FALSE;

	}

	if (request_PPMChannels && txd_complete) {

		uint8_t length = MAX_CONTROLCHANNELS;

		sendData('P', FC_ADDRESS, 2, &length, 1, (uint8_t*)&PPM_in, sizeof(PPM_in));

		request_PPMChannels = FALSE;

	}

	if (request_variables && txd_complete) {

		sendData('X', FC_ADDRESS, 1, (uint8_t *) &variables, sizeof(variables));

		request_variables = FALSE;

	}

#ifdef USE_DIRECT_GPS

	if (((OSD_interval && checkDelay(OSD_timer)) || request_OSD) && txd_complete) {

	  int32_t height = analog_getHeight();

	  data3D.anglePitch = (int16_t) (attitude[PITCH] / (GYRO_DEG_FACTOR_PITCHROLL/10)); // convert to multiple of 0.1 deg

	  data3D.angleRoll = (int16_t) (attitude[ROLL] / (GYRO_DEG_FACTOR_PITCHROLL/10)); // convert to multiple of 0.1 deg

	  data3D.heading = (int16_t) (heading / (GYRO_DEG_FACTOR_YAW/10)); // convert to multiple of 0.1 deg

  	  sendData('O', FC_ADDRESS, 4, (uint8_t*)&data3D, sizeof(data3D), (uint8_t*)&GPSInfo, sizeof(GPSInfo), (uint8_t*)&height, sizeof(height), (uint8_t*)UBat, sizeof(UBat));

	  OSD_timer = setDelay(OSD_interval);

	  request_OSD = FALSE;

	}

#endif

}