WebSVN - FlightCtrl - Diff - Rev 909 and 916 - /branches/V0.69k CRK HexaLotte/uart.c


 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Copyright (c) 04.2007 Holger Buss
// + only for non-profit use
// + www.MikroKopter.com
// + see the File "License.txt" for further Informations
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/wdt.h>
 
#include "eeprom.h"
#include "main.h"
#include "menu.h"
#include "timer0.h"
#include "uart.h"
#include "fc.h"
#include "_Settings.h"
#include "rc.h"
#if defined (USE_KILLAGREG) || defined (USE_MK3MAG)
#include "ubx.h"
#endif
#ifdef USE_MK3MAG
#include "mk3mag.h"
#endif
 
 
 
#define FALSE   0
#define TRUE    1
 
//int8_t test __attribute__ ((section (".noinit")));
uint8_t RequestVerInfo                  = FALSE;
uint8_t RequestExternalControl  = FALSE;
uint8_t RequestDisplay                  = FALSE;
uint8_t RequestDebugData                = FALSE;
uint8_t RequestDebugLabel               = 255;
uint8_t RequestChannelOnly              = FALSE;
uint8_t RemotePollDisplayLine   = 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 = TRUE;
volatile uint8_t ReceivedBytes = 0;
 
 
uint8_t PcAccess = 100;
uint8_t MotorTest[4] = {0,0,0,0};
uint8_t DubWiseKeys[4] = {0,0,0,0};
uint8_t MySlaveAddr = 0;
uint8_t ConfirmFrame;
 
DebugOut_t              DebugOut;
ExternControl_t ExternControl;
VersionInfo_t   VersionInfo;
 
int16_t  Debug_Timer;
 
#ifdef USE_MK3MAG
int16_t Compass_Timer;
#endif
 
 
const uint8_t ANALOG_LABEL[32][16] =
{
   //1234567890123456
    "IntegralNick    ", //0
    "IntegralRoll    ",
    "AccNick         ",
    "AccRoll         ",
    "GyroYaw         ",
    "ReadingHeight   ", //5
    "AccZ            ",
    "Gas             ",
    "Receiver Level  ",
    "Voltage         ",
#ifdef HEXAKOPTER
    "Motor FrontLeft ", //10
    "Motor FrontRight",
    "Motor RearLeft  ",
    "Motor RearRight ",
    "Motor Right     ",
    "Motor Left      ", //15
#else
    "Motor FrontLeft ", //10
    "Motor FrontRight",
    "Motor_RearLeft  ",
    "Motor_RearRight ",
    "Motor_Right     ",
    "Motor_Left      ", //15
#endif
    "Acc_Z           ",
    "SPI Error       ",
    "SPI Ok          ",
    "                ",
    "Servo           ", //20
    "Nick            ",
    "Roll            ",
    "                ",
    "                ",
    "                ", //25
    "                ",
    "                ",
    "                ",
    "                ",
    "GPS_Nick        ", //30
    "GPS_Roll        "
};
 
 
 
/****************************************************************/
/*              Initialization of the USART0                    */
/****************************************************************/
void USART0_Init (void)
{
        uint8_t sreg = SREG;
        uint16_t ubrr = (uint16_t) ((uint32_t) SYSCLK/(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);
 
        rxd_buffer_locked = FALSE;
        txd_complete = TRUE;
 
        Debug_Timer = SetDelay(200);
 
        #ifdef USE_MK3MAG
        Compass_Timer = SetDelay(220);
        #endif
 
        // 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 crc;
        static uint8_t ptr_rxd_buffer = 0;
        uint8_t crc1, crc2;
        uint8_t c;
 
        c = UDR0;  // catch the received byte
 
        #if defined (USE_KILLAGREG) || defined (USE_MK3MAG)
        // If the FC 1.0 cpu is used the ublox module should be conneced to rxd of the 1st uart.
        // The FC 1.1 /1.2 has the ATMEGA644p cpu with a 2nd uart to which the ublox should be connected.
        #if defined (__AVR_ATmega644P__)
        if(BoardRelease == 10) ubx_parser(c);
        #else
        ubx_parser(c);
        #endif
        #endif
 
        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 syncronisation character is received
        {
                rxd_buffer[ptr_rxd_buffer++] = c; // copy 1st byte to buffer
                crc = c; // init crc
        }
        #if 0
        else if (ptr_rxd_buffer == 1) // handle address
        {
                rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer
                crc += c; // update crc
        }
        #endif
        else if (ptr_rxd_buffer < RXD_BUFFER_LEN) // collect incomming bytes
        {
                if(c != '\r') // no termination character
                {
                        rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer
                        crc += c; // update crc
                }
                else // termination character was received
                {
                        // the last 2 bytes are no subject for checksum calculation
                        // they are the checksum itself
                        crc -= rxd_buffer[ptr_rxd_buffer-2];
                        crc -= rxd_buffer[ptr_rxd_buffer-1];
                        // calculate checksum from transmitted data
                        crc %= 4096;
                        crc1 = '=' + crc / 64;
                        crc2 = '=' + crc % 64;
                        // compare checksum to transmitted checksum bytes
                        if((crc1 == rxd_buffer[ptr_rxd_buffer-2]) && (crc2 == rxd_buffer[ptr_rxd_buffer-1]))
                        {   // checksum valid
                                rxd_buffer_locked = TRUE;          // lock the rxd buffer
                                ReceivedBytes = ptr_rxd_buffer;    // store number of received bytes
                                rxd_buffer[ptr_rxd_buffer] = '\r'; // set termination character
                                // 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 AddCRC(uint16_t datalen)
{
        uint16_t tmpCRC = 0, i;
        for(i = 0; i < datalen; i++)
        {
                tmpCRC += txd_buffer[i];
        }
        tmpCRC %= 4096;
        txd_buffer[i++] = '=' + tmpCRC / 64;
        txd_buffer[i++] = '=' + tmpCRC % 64;
        txd_buffer[i++] = '\r';
        txd_complete = FALSE;
        UDR0 = txd_buffer[0]; // initiates the transmittion (continued in the TXD ISR)
}
 
 
 
// --------------------------------------------------------------------------
void SendOutData(uint8_t cmd,uint8_t module, uint8_t *snd, uint8_t len)
{
        uint16_t pt = 0;
        uint8_t a,b,c;
        uint8_t ptr = 0;
 
        txd_buffer[pt++] = '#';         // Start character
        txd_buffer[pt++] = module;      // Address (a=0; b=1,...)
        txd_buffer[pt++] = cmd;         // Command
 
        while(len)
        {
                if(len) { a = snd[ptr++]; len--;} else a = 0;
                if(len) { b = snd[ptr++]; len--;} else b = 0;
                if(len) { c = snd[ptr++]; len--;} 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);
        }
        AddCRC(pt); // add checksum after data block and initates the transmission
}
 
 
// --------------------------------------------------------------------------
void Decode64(uint8_t *ptrOut, uint8_t len, uint8_t ptrIn, uint8_t max)
{
        uint8_t a,b,c,d;
        uint8_t ptr = 0;
        uint8_t x,y,z;
        while(len)
        {
                a = rxd_buffer[ptrIn++] - '=';
                b = rxd_buffer[ptrIn++] - '=';
                c = rxd_buffer[ptrIn++] - '=';
                d = rxd_buffer[ptrIn++] - '=';
                if(ptrIn > max - 2) break;
 
                x = (a << 2) | (b >> 4);
                y = ((b & 0x0f) << 4) | (c >> 2);
                z = ((c & 0x03) << 6) | d;
 
                if(len--) ptrOut[ptr++] = x; else break;
                if(len--) ptrOut[ptr++] = y; else break;
                if(len--) ptrOut[ptr++] = z; else break;
        }
}
 
 
// --------------------------------------------------------------------------
void USART0_ProcessRxData(void)
{
        // if data in the rxd buffer are not locked immediately return
        if(!rxd_buffer_locked) return;
 
        #if  !defined (USE_KILLAGREG)  && !defined (USE_NAVICTRL)
        uint16_t tmp_int_arr1[1]; // local int buffer
        #endif
        uint8_t tmp_char_arr2[2]; // local char buffer
 
 
        switch(rxd_buffer[2])
        {
                #ifdef USE_MK3MAG
                case 'K':// Compass value
                        Decode64((uint8_t *) &tmp_int_arr1[0], sizeof(tmp_int_arr1), 3, ReceivedBytes);
                        CompassHeading = tmp_int_arr1[0];
                        CompassOffCourse = ((540 + CompassHeading - CompassCourse) % 360) - 180;
                        break;
                #endif
                case 'a':// Labels of the Analog Debug outputs
                        Decode64((uint8_t *) &tmp_char_arr2[0], sizeof(tmp_char_arr2), 3, ReceivedBytes);
                        RequestDebugLabel = tmp_char_arr2[0];
                        PcAccess = 255;
                        break;
                case 'b': // extern control
                        Decode64((uint8_t *) &ExternControl,sizeof(ExternControl), 3, ReceivedBytes);
                        RemoteButtons |= ExternControl.RemoteButtons;
                        ConfirmFrame = ExternControl.Frame;
                        break;
                case 'c': // extern control with debug request
                        Decode64((uint8_t *) &ExternControl,sizeof(ExternControl),3,ReceivedBytes);
                        RemoteButtons |= ExternControl.RemoteButtons;
                        ConfirmFrame = ExternControl.Frame;
                        RequestDebugData = TRUE;
                        PcAccess = 255;
                        break;
                case 'h':// x-1 display columns
                        Decode64((uint8_t *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,ReceivedBytes);
                        RemoteButtons |= tmp_char_arr2[0];
                        if(tmp_char_arr2[1] == 255) RequestChannelOnly = TRUE;
                        else RequestChannelOnly = FALSE; // keine Displaydaten
                        RequestDisplay = TRUE;
                        break;
                case 't':// motor test
                        Decode64((uint8_t *) &MotorTest[0],sizeof(MotorTest),3,ReceivedBytes);
                        PcAccess = 255;
                        break;
                case 'k':// keys from DubWise
                        Decode64((uint8_t *) &DubWiseKeys[0],sizeof(DubWiseKeys),3,ReceivedBytes);
                        ConfirmFrame = DubWiseKeys[3];
                        PcAccess = 255;
                        break;
                case 'v': // get version and board release
                        RequestVerInfo = TRUE;
                        break;
                case 'g':// get external control data
                        RequestExternalControl = TRUE;
                        break;
                case 'q':// get settings
                        Decode64((uint8_t *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,ReceivedBytes);
                        while(!txd_complete);
                        if(tmp_char_arr2[0] != 0xff)
                        {
                                if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5; // limit to 5
                                // load requested parameter set
                                ParamSet_ReadFromEEProm(tmp_char_arr2[0]);
                                SendOutData('L' + tmp_char_arr2[0] -1,MySlaveAddr,(uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN);
                        }
                        else // send active parameter set
                        SendOutData('L' + GetParamByte(PID_ACTIVE_SET)-1,MySlaveAddr,(uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN);
 
                        break;
 
                case 'l':
                case 'm':
                case 'n':
                case 'o':
                case 'p': // save parameterset
                        Decode64((uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN,3,ReceivedBytes);
                        ParamSet_WriteToEEProm(rxd_buffer[2] - 'l' + 1);
                        TurnOver180Nick = (int32_t) ParamSet.AngleTurnOverNick * 2500L;
                        TurnOver180Roll = (int32_t) ParamSet.AngleTurnOverRoll * 2500L;
                        Beep(GetActiveParamSet());
                        break;
 
 
        }
        // unlock the rxd buffer after processing
        rxd_buffer_locked = FALSE;
}
 
//############################################################################
//Routine für die Serielle Ausgabe
int16_t uart_putchar (int8_t c)
//############################################################################
{
        if (c == '\n')
                uart_putchar('\r');
        // wait until previous character was send
        loop_until_bit_is_set(UCSR0A, UDRE0);
        //Ausgabe des Zeichens
        UDR0 = c;
        return (0);
}
 
 
//---------------------------------------------------------------------------------------------
void USART0_TransmitTxData(void)
{
        if(!txd_complete) return;
 
        if(RequestExternalControl && txd_complete)            // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
        {
                SendOutData('G',MySlaveAddr,(uint8_t *) &ExternControl,sizeof(ExternControl));
                RequestExternalControl = FALSE;
        }
 
        #ifdef USE_MK3MAG
    if((CheckDelay(Compass_Timer)) && txd_complete)
        {
                ToMk3Mag.Attitude[0] = (int16_t) (IntegralNick / 108);  // approx. 0,1 Deg
                ToMk3Mag.Attitude[1] = (int16_t) (IntegralRoll / 108);   // approx. 0,1 Deg
                ToMk3Mag.UserParam[0] = FCParam.UserParam1;
                ToMk3Mag.UserParam[1] = FCParam.UserParam2;
                ToMk3Mag.CalState = CompassCalState;
                SendOutData('w',MySlaveAddr,(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;
                Compass_Timer = SetDelay(99);
        }
        #endif
 
    if((CheckDelay(Debug_Timer) || RequestDebugData) && txd_complete)
    {
          SendOutData('D',MySlaveAddr,(uint8_t *) &DebugOut,sizeof(DebugOut));
          RequestDebugData = FALSE;
          Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL);
    }
 
    if(RequestDebugLabel != 255) // Texte für die Analogdaten
     {
      SendOutData('A',RequestDebugLabel + '0',(uint8_t *) ANALOG_LABEL[RequestDebugLabel],16);
      RequestDebugLabel = 255;
         }
     if(ConfirmFrame && txd_complete)   // Datensatz ohne CRC bestätigen
         {
      txd_buffer[0] = '#';
      txd_buffer[1] = ConfirmFrame;
      txd_buffer[2] = '\r';
      txd_complete = 0;
      ConfirmFrame = 0;
      UDR0 = txd_buffer[0];
     }
     if(RequestDisplay && txd_complete)
         {
      LCD_PrintMenu();
          RequestDisplay = FALSE;
      if(++RemotePollDisplayLine == 4 || RequestChannelOnly)
      {
       SendOutData('4',0,(uint8_t *)&PPM_in,sizeof(PPM_in));   // DisplayZeile übertragen
       RemotePollDisplayLine = -1;
      }
      else  SendOutData('0' + RemotePollDisplayLine,0,(uint8_t *)&DisplayBuff[20 * RemotePollDisplayLine],20);   // DisplayZeile übertragen
         }
    if(RequestVerInfo && txd_complete)
     {
      SendOutData('V',MySlaveAddr,(uint8_t *) &VersionInfo,sizeof(VersionInfo));
          RequestVerInfo = FALSE;
     }
 
}
 
 

Rev 909	Rev 916
1	// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++	1	// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2	// + Copyright (c) 04.2007 Holger Buss	2	// + Copyright (c) 04.2007 Holger Buss
3	// + only for non-profit use	3	// + only for non-profit use
4	// + www.MikroKopter.com	4	// + www.MikroKopter.com
5	// + see the File "License.txt" for further Informations	5	// + see the File "License.txt" for further Informations
6	// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++	6	// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
7		7
8	#include <avr/io.h>	8	#include <avr/io.h>
9	#include <avr/interrupt.h>	9	#include <avr/interrupt.h>
10	#include <avr/wdt.h>	10	#include <avr/wdt.h>
11		11
12	#include "eeprom.h"	12	#include "eeprom.h"
13	#include "main.h"	13	#include "main.h"
14	#include "menu.h"	14	#include "menu.h"
15	#include "timer0.h"	15	#include "timer0.h"
16	#include "uart.h"	16	#include "uart.h"
17	#include "fc.h"	17	#include "fc.h"
18	#include "_Settings.h"	18	#include "_Settings.h"
19	#include "rc.h"	19	#include "rc.h"
20	#if defined (USE_KILLAGREG) \|\| defined (USE_MK3MAG)	20	#if defined (USE_KILLAGREG) \|\| defined (USE_MK3MAG)
21	#include "ubx.h"	21	#include "ubx.h"
22	#endif	22	#endif
23	#ifdef USE_MK3MAG	23	#ifdef USE_MK3MAG
24	#include "mk3mag.h"	24	#include "mk3mag.h"
25	#endif	25	#endif
26		26
27		27
28		28
29	#define FALSE 0	29	#define FALSE 0
30	#define TRUE 1	30	#define TRUE 1
31		31
32	//int8_t test __attribute__ ((section (".noinit")));	32	//int8_t test __attribute__ ((section (".noinit")));
33	uint8_t RequestVerInfo = FALSE;	33	uint8_t RequestVerInfo = FALSE;
34	uint8_t RequestExternalControl = FALSE;	34	uint8_t RequestExternalControl = FALSE;
35	uint8_t RequestDisplay = FALSE;	35	uint8_t RequestDisplay = FALSE;
36	uint8_t RequestDebugData = FALSE;	36	uint8_t RequestDebugData = FALSE;
37	uint8_t RequestDebugLabel = 255;	37	uint8_t RequestDebugLabel = 255;
38	uint8_t RequestChannelOnly = FALSE;	38	uint8_t RequestChannelOnly = FALSE;
39	uint8_t RemotePollDisplayLine = 0;	39	uint8_t RemotePollDisplayLine = 0;
40		40
41	volatile uint8_t txd_buffer[TXD_BUFFER_LEN];	41	volatile uint8_t txd_buffer[TXD_BUFFER_LEN];
42	volatile uint8_t rxd_buffer_locked = FALSE;	42	volatile uint8_t rxd_buffer_locked = FALSE;
43	volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];	43	volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];
44	volatile uint8_t txd_complete = TRUE;	44	volatile uint8_t txd_complete = TRUE;
45	volatile uint8_t ReceivedBytes = 0;	45	volatile uint8_t ReceivedBytes = 0;
46		46
47		47
48	uint8_t PcAccess = 100;	48	uint8_t PcAccess = 100;
49	uint8_t MotorTest[4] = {0,0,0,0};	49	uint8_t MotorTest[4] = {0,0,0,0};
50	uint8_t DubWiseKeys[4] = {0,0,0,0};	50	uint8_t DubWiseKeys[4] = {0,0,0,0};
51	uint8_t MySlaveAddr = 0;	51	uint8_t MySlaveAddr = 0;
52	uint8_t ConfirmFrame;	52	uint8_t ConfirmFrame;
53		53
54	DebugOut_t DebugOut;	54	DebugOut_t DebugOut;
55	ExternControl_t ExternControl;	55	ExternControl_t ExternControl;
56	VersionInfo_t VersionInfo;	56	VersionInfo_t VersionInfo;
57		57
58	int16_t Debug_Timer;	58	int16_t Debug_Timer;
59		59
60	#ifdef USE_MK3MAG	60	#ifdef USE_MK3MAG
61	int16_t Compass_Timer;	61	int16_t Compass_Timer;
62	#endif	62	#endif
63		63
64		64
65	const uint8_t ANALOG_LABEL[32][16] =	65	const uint8_t ANALOG_LABEL[32][16] =
66	{	66	{
67	//1234567890123456	67	//1234567890123456
68	"IntegralPitch ", //0	68	"IntegralNick ", //0
69	"IntegralRoll ",	69	"IntegralRoll ",
70	"AccPitch ",	70	"AccNick ",
71	"AccRoll ",	71	"AccRoll ",
72	"GyroYaw ",	72	"GyroYaw ",
73	"ReadingHeight ", //5	73	"ReadingHeight ", //5
74	"AccZ ",	74	"AccZ ",
75	"Thrust ",	75	"Gas ",
76	"Receiver Level ",	76	"Receiver Level ",
77	"Voltage ",	77	"Voltage ",
78	#ifdef HEXAKOPTER	78	#ifdef HEXAKOPTER
79	"Motor FrontLeft ", //10	79	"Motor FrontLeft ", //10
80	"Motor FrontRight",	80	"Motor FrontRight",
81	"Motor RearLeft ",	81	"Motor RearLeft ",
82	"Motor RearRight ",	82	"Motor RearRight ",
83	"Motor Right ",	83	"Motor Right ",
84	"Motor Left ", //15	84	"Motor Left ", //15
85	#else	85	#else
86	"Motor FrontLeft ", //10	86	"Motor FrontLeft ", //10
87	"Motor FrontRight",	87	"Motor FrontRight",
88	"Motor_RearLeft ",	88	"Motor_RearLeft ",
89	"Motor_RearRight ",	89	"Motor_RearRight ",
90	"Motor_Right ",	90	"Motor_Right ",
91	"Motor_Left ", //15	91	"Motor_Left ", //15
92	#endif	92	#endif
93	"Acc_Z ",	93	"Acc_Z ",
94	"SPI Error ",	94	"SPI Error ",
95	"SPI Ok ",	95	"SPI Ok ",
96	" ",	96	" ",
97	"Servo ", //20	97	"Servo ", //20
98	"Pitch ",	98	"Nick ",
99	"Roll ",	99	"Roll ",
100	" ",	100	" ",
101	" ",	101	" ",
102	" ", //25	102	" ", //25
103	" ",	103	" ",
104	" ",	104	" ",
105	" ",	105	" ",
106	" ",	106	" ",
107	"GPS_Pitch ", //30	107	"GPS_Nick ", //30
108	"GPS_Roll "	108	"GPS_Roll "
109	};	109	};
110		110
111		111
112		112
113	/****************************************************************/	113	/****************************************************************/
114	/* Initialization of the USART0 */	114	/* Initialization of the USART0 */
115	/****************************************************************/	115	/****************************************************************/
116	void USART0_Init (void)	116	void USART0_Init (void)
117	{	117	{
118	uint8_t sreg = SREG;	118	uint8_t sreg = SREG;
119	uint16_t ubrr = (uint16_t) ((uint32_t) SYSCLK/(8 * USART0_BAUD) - 1);	119	uint16_t ubrr = (uint16_t) ((uint32_t) SYSCLK/(8 * USART0_BAUD) - 1);
120		120
121	// disable all interrupts before configuration	121	// disable all interrupts before configuration
122	cli();	122	cli();
123		123
124	// disable RX-Interrupt	124	// disable RX-Interrupt
125	UCSR0B &= ~(1 << RXCIE0);	125	UCSR0B &= ~(1 << RXCIE0);
126	// disable TX-Interrupt	126	// disable TX-Interrupt
127	UCSR0B &= ~(1 << TXCIE0);	127	UCSR0B &= ~(1 << TXCIE0);
128		128
129	// set direction of RXD0 and TXD0 pins	129	// set direction of RXD0 and TXD0 pins
130	// set RXD0 (PD0) as an input pin	130	// set RXD0 (PD0) as an input pin
131	PORTD \|= (1 << PORTD0);	131	PORTD \|= (1 << PORTD0);
132	DDRD &= ~(1 << DDD0);	132	DDRD &= ~(1 << DDD0);
133	// set TXD0 (PD1) as an output pin	133	// set TXD0 (PD1) as an output pin
134	PORTD \|= (1 << PORTD1);	134	PORTD \|= (1 << PORTD1);
135	DDRD \|= (1 << DDD1);	135	DDRD \|= (1 << DDD1);
136		136
137	// USART0 Baud Rate Register	137	// USART0 Baud Rate Register
138	// set clock divider	138	// set clock divider
139	UBRR0H = (uint8_t)(ubrr >> 8);	139	UBRR0H = (uint8_t)(ubrr >> 8);
140	UBRR0L = (uint8_t)ubrr;	140	UBRR0L = (uint8_t)ubrr;
141		141
142	// USART0 Control and Status Register A, B, C	142	// USART0 Control and Status Register A, B, C
143		143
144	// enable double speed operation in	144	// enable double speed operation in
145	UCSR0A \|= (1 << U2X0);	145	UCSR0A \|= (1 << U2X0);
146	// enable receiver and transmitter in	146	// enable receiver and transmitter in
147	UCSR0B = (1 << TXEN0) \| (1 << RXEN0);	147	UCSR0B = (1 << TXEN0) \| (1 << RXEN0);
148	// set asynchronous mode	148	// set asynchronous mode
149	UCSR0C &= ~(1 << UMSEL01);	149	UCSR0C &= ~(1 << UMSEL01);
150	UCSR0C &= ~(1 << UMSEL00);	150	UCSR0C &= ~(1 << UMSEL00);
151	// no parity	151	// no parity
152	UCSR0C &= ~(1 << UPM01);	152	UCSR0C &= ~(1 << UPM01);
153	UCSR0C &= ~(1 << UPM00);	153	UCSR0C &= ~(1 << UPM00);
154	// 1 stop bit	154	// 1 stop bit
155	UCSR0C &= ~(1 << USBS0);	155	UCSR0C &= ~(1 << USBS0);
156	// 8-bit	156	// 8-bit
157	UCSR0B &= ~(1 << UCSZ02);	157	UCSR0B &= ~(1 << UCSZ02);
158	UCSR0C \|= (1 << UCSZ01);	158	UCSR0C \|= (1 << UCSZ01);
159	UCSR0C \|= (1 << UCSZ00);	159	UCSR0C \|= (1 << UCSZ00);
160		160
161	// flush receive buffer	161	// flush receive buffer
162	while ( UCSR0A & (1<<RXC0) ) UDR0;	162	while ( UCSR0A & (1<<RXC0) ) UDR0;
163		163
164	// enable interrupts at the end	164	// enable interrupts at the end
165	// enable RX-Interrupt	165	// enable RX-Interrupt
166	UCSR0B \|= (1 << RXCIE0);	166	UCSR0B \|= (1 << RXCIE0);
167	// enable TX-Interrupt	167	// enable TX-Interrupt
168	UCSR0B \|= (1 << TXCIE0);	168	UCSR0B \|= (1 << TXCIE0);
169		169
170	rxd_buffer_locked = FALSE;	170	rxd_buffer_locked = FALSE;
171	txd_complete = TRUE;	171	txd_complete = TRUE;
172		172
173	Debug_Timer = SetDelay(200);	173	Debug_Timer = SetDelay(200);
174		174
175	#ifdef USE_MK3MAG	175	#ifdef USE_MK3MAG
176	Compass_Timer = SetDelay(220);	176	Compass_Timer = SetDelay(220);
177	#endif	177	#endif
178		178
179	// restore global interrupt flags	179	// restore global interrupt flags
180	SREG = sreg;	180	SREG = sreg;
181	}	181	}
182		182
183	/****************************************************************/	183	/****************************************************************/
184	/* USART0 transmitter ISR */	184	/* USART0 transmitter ISR */
185	/****************************************************************/	185	/****************************************************************/
186	ISR(USART0_TX_vect)	186	ISR(USART0_TX_vect)
187	{	187	{
188	static uint16_t ptr_txd_buffer = 0;	188	static uint16_t ptr_txd_buffer = 0;
189	uint8_t tmp_tx;	189	uint8_t tmp_tx;
190	if(!txd_complete) // transmission not completed	190	if(!txd_complete) // transmission not completed
191	{	191	{
192	ptr_txd_buffer++; // die [0] wurde schon gesendet	192	ptr_txd_buffer++; // die [0] wurde schon gesendet
193	tmp_tx = txd_buffer[ptr_txd_buffer];	193	tmp_tx = txd_buffer[ptr_txd_buffer];
194	// if terminating character or end of txd buffer was reached	194	// if terminating character or end of txd buffer was reached
195	if((tmp_tx == '\r') \|\| (ptr_txd_buffer == TXD_BUFFER_LEN))	195	if((tmp_tx == '\r') \|\| (ptr_txd_buffer == TXD_BUFFER_LEN))
196	{	196	{
197	ptr_txd_buffer = 0; // reset txd pointer	197	ptr_txd_buffer = 0; // reset txd pointer
198	txd_complete = 1; // stop transmission	198	txd_complete = 1; // stop transmission
199	}	199	}
200	UDR0 = tmp_tx; // send current byte will trigger this ISR again	200	UDR0 = tmp_tx; // send current byte will trigger this ISR again
201	}	201	}
202	// transmission completed	202	// transmission completed
203	else ptr_txd_buffer = 0;	203	else ptr_txd_buffer = 0;
204	}	204	}
205		205
206	/****************************************************************/	206	/****************************************************************/
207	/* USART0 receiver ISR */	207	/* USART0 receiver ISR */
208	/****************************************************************/	208	/****************************************************************/
209	ISR(USART0_RX_vect)	209	ISR(USART0_RX_vect)
210	{	210	{
211	static uint16_t crc;	211	static uint16_t crc;
212	static uint8_t ptr_rxd_buffer = 0;	212	static uint8_t ptr_rxd_buffer = 0;
213	uint8_t crc1, crc2;	213	uint8_t crc1, crc2;
214	uint8_t c;	214	uint8_t c;
215		215
216	c = UDR0; // catch the received byte	216	c = UDR0; // catch the received byte
217		217
218	#if defined (USE_KILLAGREG) \|\| defined (USE_MK3MAG)	218	#if defined (USE_KILLAGREG) \|\| defined (USE_MK3MAG)
219	// If the FC 1.0 cpu is used the ublox module should be conneced to rxd of the 1st uart.	219	// If the FC 1.0 cpu is used the ublox module should be conneced to rxd of the 1st uart.
220	// The FC 1.1 /1.2 has the ATMEGA644p cpu with a 2nd uart to which the ublox should be connected.	220	// The FC 1.1 /1.2 has the ATMEGA644p cpu with a 2nd uart to which the ublox should be connected.
221	#if defined (__AVR_ATmega644P__)	221	#if defined (__AVR_ATmega644P__)
222	if(BoardRelease == 10) ubx_parser(c);	222	if(BoardRelease == 10) ubx_parser(c);
223	#else	223	#else
224	ubx_parser(c);	224	ubx_parser(c);
225	#endif	225	#endif
226	#endif	226	#endif
227		227
228	if(rxd_buffer_locked) return; // if rxd buffer is locked immediately return	228	if(rxd_buffer_locked) return; // if rxd buffer is locked immediately return
229		229
230	// the rxd buffer is unlocked	230	// the rxd buffer is unlocked
231	if((ptr_rxd_buffer == 0) && (c == '#')) // if rxd buffer is empty and syncronisation character is received	231	if((ptr_rxd_buffer == 0) && (c == '#')) // if rxd buffer is empty and syncronisation character is received
232	{	232	{
233	rxd_buffer[ptr_rxd_buffer++] = c; // copy 1st byte to buffer	233	rxd_buffer[ptr_rxd_buffer++] = c; // copy 1st byte to buffer
234	crc = c; // init crc	234	crc = c; // init crc
235	}	235	}
236	#if 0	236	#if 0
237	else if (ptr_rxd_buffer == 1) // handle address	237	else if (ptr_rxd_buffer == 1) // handle address
238	{	238	{
239	rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer	239	rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer
240	crc += c; // update crc	240	crc += c; // update crc
241	}	241	}
242	#endif	242	#endif
243	else if (ptr_rxd_buffer < RXD_BUFFER_LEN) // collect incomming bytes	243	else if (ptr_rxd_buffer < RXD_BUFFER_LEN) // collect incomming bytes
244	{	244	{
245	if(c != '\r') // no termination character	245	if(c != '\r') // no termination character
246	{	246	{
247	rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer	247	rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer
248	crc += c; // update crc	248	crc += c; // update crc
249	}	249	}
250	else // termination character was received	250	else // termination character was received
251	{	251	{
252	// the last 2 bytes are no subject for checksum calculation	252	// the last 2 bytes are no subject for checksum calculation
253	// they are the checksum itself	253	// they are the checksum itself
254	crc -= rxd_buffer[ptr_rxd_buffer-2];	254	crc -= rxd_buffer[ptr_rxd_buffer-2];
255	crc -= rxd_buffer[ptr_rxd_buffer-1];	255	crc -= rxd_buffer[ptr_rxd_buffer-1];
256	// calculate checksum from transmitted data	256	// calculate checksum from transmitted data
257	crc %= 4096;	257	crc %= 4096;
258	crc1 = '=' + crc / 64;	258	crc1 = '=' + crc / 64;
259	crc2 = '=' + crc % 64;	259	crc2 = '=' + crc % 64;
260	// compare checksum to transmitted checksum bytes	260	// compare checksum to transmitted checksum bytes
261	if((crc1 == rxd_buffer[ptr_rxd_buffer-2]) && (crc2 == rxd_buffer[ptr_rxd_buffer-1]))	261	if((crc1 == rxd_buffer[ptr_rxd_buffer-2]) && (crc2 == rxd_buffer[ptr_rxd_buffer-1]))
262	{ // checksum valid	262	{ // checksum valid
263	rxd_buffer_locked = TRUE; // lock the rxd buffer	263	rxd_buffer_locked = TRUE; // lock the rxd buffer
264	ReceivedBytes = ptr_rxd_buffer; // store number of received bytes	264	ReceivedBytes = ptr_rxd_buffer; // store number of received bytes
265	rxd_buffer[ptr_rxd_buffer] = '\r'; // set termination character	265	rxd_buffer[ptr_rxd_buffer] = '\r'; // set termination character
266	// if 2nd byte is an 'R' enable watchdog that will result in an reset	266	// if 2nd byte is an 'R' enable watchdog that will result in an reset
267	if(rxd_buffer[2] == 'R') {wdt_enable(WDTO_250MS);} // Reset-Commando	267	if(rxd_buffer[2] == 'R') {wdt_enable(WDTO_250MS);} // Reset-Commando
268	}	268	}
269	else	269	else
270	{ // checksum invalid	270	{ // checksum invalid
271	rxd_buffer_locked = FALSE; // unlock rxd buffer	271	rxd_buffer_locked = FALSE; // unlock rxd buffer
272	}	272	}
273	ptr_rxd_buffer = 0; // reset rxd buffer pointer	273	ptr_rxd_buffer = 0; // reset rxd buffer pointer
274	}	274	}
275	}	275	}
276	else // rxd buffer overrun	276	else // rxd buffer overrun
277	{	277	{
278	ptr_rxd_buffer = 0; // reset rxd buffer	278	ptr_rxd_buffer = 0; // reset rxd buffer
279	rxd_buffer_locked = FALSE; // unlock rxd buffer	279	rxd_buffer_locked = FALSE; // unlock rxd buffer
280	}	280	}
281		281
282	}	282	}
283		283
284		284
285	// --------------------------------------------------------------------------	285	// --------------------------------------------------------------------------
286	void AddCRC(uint16_t datalen)	286	void AddCRC(uint16_t datalen)
287	{	287	{
288	uint16_t tmpCRC = 0, i;	288	uint16_t tmpCRC = 0, i;
289	for(i = 0; i < datalen; i++)	289	for(i = 0; i < datalen; i++)
290	{	290	{
291	tmpCRC += txd_buffer[i];	291	tmpCRC += txd_buffer[i];
292	}	292	}
293	tmpCRC %= 4096;	293	tmpCRC %= 4096;
294	txd_buffer[i++] = '=' + tmpCRC / 64;	294	txd_buffer[i++] = '=' + tmpCRC / 64;
295	txd_buffer[i++] = '=' + tmpCRC % 64;	295	txd_buffer[i++] = '=' + tmpCRC % 64;
296	txd_buffer[i++] = '\r';	296	txd_buffer[i++] = '\r';
297	txd_complete = FALSE;	297	txd_complete = FALSE;
298	UDR0 = txd_buffer[0]; // initiates the transmittion (continued in the TXD ISR)	298	UDR0 = txd_buffer[0]; // initiates the transmittion (continued in the TXD ISR)
299	}	299	}
300		300
301		301
302		302
303	// --------------------------------------------------------------------------	303	// --------------------------------------------------------------------------
304	void SendOutData(uint8_t cmd,uint8_t module, uint8_t *snd, uint8_t len)	304	void SendOutData(uint8_t cmd,uint8_t module, uint8_t *snd, uint8_t len)
305	{	305	{
306	uint16_t pt = 0;	306	uint16_t pt = 0;
307	uint8_t a,b,c;	307	uint8_t a,b,c;
308	uint8_t ptr = 0;	308	uint8_t ptr = 0;
309		309
310	txd_buffer[pt++] = '#'; // Start character	310	txd_buffer[pt++] = '#'; // Start character
311	txd_buffer[pt++] = module; // Address (a=0; b=1,...)	311	txd_buffer[pt++] = module; // Address (a=0; b=1,...)
312	txd_buffer[pt++] = cmd; // Command	312	txd_buffer[pt++] = cmd; // Command
313		313
314	while(len)	314	while(len)
315	{	315	{
316	if(len) { a = snd[ptr++]; len--;} else a = 0;	316	if(len) { a = snd[ptr++]; len--;} else a = 0;
317	if(len) { b = snd[ptr++]; len--;} else b = 0;	317	if(len) { b = snd[ptr++]; len--;} else b = 0;
318	if(len) { c = snd[ptr++]; len--;} else c = 0;	318	if(len) { c = snd[ptr++]; len--;} else c = 0;
319	txd_buffer[pt++] = '=' + (a >> 2);	319	txd_buffer[pt++] = '=' + (a >> 2);
320	txd_buffer[pt++] = '=' + (((a & 0x03) << 4) \| ((b & 0xf0) >> 4));	320	txd_buffer[pt++] = '=' + (((a & 0x03) << 4) \| ((b & 0xf0) >> 4));
321	txd_buffer[pt++] = '=' + (((b & 0x0f) << 2) \| ((c & 0xc0) >> 6));	321	txd_buffer[pt++] = '=' + (((b & 0x0f) << 2) \| ((c & 0xc0) >> 6));
322	txd_buffer[pt++] = '=' + ( c & 0x3f);	322	txd_buffer[pt++] = '=' + ( c & 0x3f);
323	}	323	}
324	AddCRC(pt); // add checksum after data block and initates the transmission	324	AddCRC(pt); // add checksum after data block and initates the transmission
325	}	325	}
326		326
327		327
328	// --------------------------------------------------------------------------	328	// --------------------------------------------------------------------------
329	void Decode64(uint8_t *ptrOut, uint8_t len, uint8_t ptrIn, uint8_t max)	329	void Decode64(uint8_t *ptrOut, uint8_t len, uint8_t ptrIn, uint8_t max)
330	{	330	{
331	uint8_t a,b,c,d;	331	uint8_t a,b,c,d;
332	uint8_t ptr = 0;	332	uint8_t ptr = 0;
333	uint8_t x,y,z;	333	uint8_t x,y,z;
334	while(len)	334	while(len)
335	{	335	{
336	a = rxd_buffer[ptrIn++] - '=';	336	a = rxd_buffer[ptrIn++] - '=';
337	b = rxd_buffer[ptrIn++] - '=';	337	b = rxd_buffer[ptrIn++] - '=';
338	c = rxd_buffer[ptrIn++] - '=';	338	c = rxd_buffer[ptrIn++] - '=';
339	d = rxd_buffer[ptrIn++] - '=';	339	d = rxd_buffer[ptrIn++] - '=';
340	if(ptrIn > max - 2) break;	340	if(ptrIn > max - 2) break;
341		341
342	x = (a << 2) \| (b >> 4);	342	x = (a << 2) \| (b >> 4);
343	y = ((b & 0x0f) << 4) \| (c >> 2);	343	y = ((b & 0x0f) << 4) \| (c >> 2);
344	z = ((c & 0x03) << 6) \| d;	344	z = ((c & 0x03) << 6) \| d;
345		345
346	if(len--) ptrOut[ptr++] = x; else break;	346	if(len--) ptrOut[ptr++] = x; else break;
347	if(len--) ptrOut[ptr++] = y; else break;	347	if(len--) ptrOut[ptr++] = y; else break;
348	if(len--) ptrOut[ptr++] = z; else break;	348	if(len--) ptrOut[ptr++] = z; else break;
349	}	349	}
350	}	350	}
351		351
352		352
353	// --------------------------------------------------------------------------	353	// --------------------------------------------------------------------------
354	void USART0_ProcessRxData(void)	354	void USART0_ProcessRxData(void)
355	{	355	{
356	// if data in the rxd buffer are not locked immediately return	356	// if data in the rxd buffer are not locked immediately return
357	if(!rxd_buffer_locked) return;	357	if(!rxd_buffer_locked) return;
358		358
359	#if !defined (USE_KILLAGREG) && !defined (USE_NAVICTRL)	359	#if !defined (USE_KILLAGREG) && !defined (USE_NAVICTRL)
360	uint16_t tmp_int_arr1[1]; // local int buffer	360	uint16_t tmp_int_arr1[1]; // local int buffer
361	#endif	361	#endif
362	uint8_t tmp_char_arr2[2]; // local char buffer	362	uint8_t tmp_char_arr2[2]; // local char buffer
363		363
364		364
365	switch(rxd_buffer[2])	365	switch(rxd_buffer[2])
366	{	366	{
367	#ifdef USE_MK3MAG	367	#ifdef USE_MK3MAG
368	case 'K':// Compass value	368	case 'K':// Compass value
369	Decode64((uint8_t *) &tmp_int_arr1[0], sizeof(tmp_int_arr1), 3, ReceivedBytes);	369	Decode64((uint8_t *) &tmp_int_arr1[0], sizeof(tmp_int_arr1), 3, ReceivedBytes);
370	CompassHeading = tmp_int_arr1[0];	370	CompassHeading = tmp_int_arr1[0];
371	CompassOffCourse = ((540 + CompassHeading - CompassCourse) % 360) - 180;	371	CompassOffCourse = ((540 + CompassHeading - CompassCourse) % 360) - 180;
372	break;	372	break;
373	#endif	373	#endif
374	case 'a':// Labels of the Analog Debug outputs	374	case 'a':// Labels of the Analog Debug outputs
375	Decode64((uint8_t *) &tmp_char_arr2[0], sizeof(tmp_char_arr2), 3, ReceivedBytes);	375	Decode64((uint8_t *) &tmp_char_arr2[0], sizeof(tmp_char_arr2), 3, ReceivedBytes);
376	RequestDebugLabel = tmp_char_arr2[0];	376	RequestDebugLabel = tmp_char_arr2[0];
377	PcAccess = 255;	377	PcAccess = 255;
378	break;	378	break;
379	case 'b': // extern control	379	case 'b': // extern control
380	Decode64((uint8_t *) &ExternControl,sizeof(ExternControl), 3, ReceivedBytes);	380	Decode64((uint8_t *) &ExternControl,sizeof(ExternControl), 3, ReceivedBytes);
381	RemoteButtons \|= ExternControl.RemoteButtons;	381	RemoteButtons \|= ExternControl.RemoteButtons;
382	ConfirmFrame = ExternControl.Frame;	382	ConfirmFrame = ExternControl.Frame;
383	break;	383	break;
384	case 'c': // extern control with debug request	384	case 'c': // extern control with debug request
385	Decode64((uint8_t *) &ExternControl,sizeof(ExternControl),3,ReceivedBytes);	385	Decode64((uint8_t *) &ExternControl,sizeof(ExternControl),3,ReceivedBytes);
386	RemoteButtons \|= ExternControl.RemoteButtons;	386	RemoteButtons \|= ExternControl.RemoteButtons;
387	ConfirmFrame = ExternControl.Frame;	387	ConfirmFrame = ExternControl.Frame;
388	RequestDebugData = TRUE;	388	RequestDebugData = TRUE;
389	PcAccess = 255;	389	PcAccess = 255;
390	break;	390	break;
391	case 'h':// x-1 display columns	391	case 'h':// x-1 display columns
392	Decode64((uint8_t *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,ReceivedBytes);	392	Decode64((uint8_t *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,ReceivedBytes);
393	RemoteButtons \|= tmp_char_arr2[0];	393	RemoteButtons \|= tmp_char_arr2[0];
394	if(tmp_char_arr2[1] == 255) RequestChannelOnly = TRUE;	394	if(tmp_char_arr2[1] == 255) RequestChannelOnly = TRUE;
395	else RequestChannelOnly = FALSE; // keine Displaydaten	395	else RequestChannelOnly = FALSE; // keine Displaydaten
396	RequestDisplay = TRUE;	396	RequestDisplay = TRUE;
397	break;	397	break;
398	case 't':// motor test	398	case 't':// motor test
399	Decode64((uint8_t *) &MotorTest[0],sizeof(MotorTest),3,ReceivedBytes);	399	Decode64((uint8_t *) &MotorTest[0],sizeof(MotorTest),3,ReceivedBytes);
400	PcAccess = 255;	400	PcAccess = 255;
401	break;	401	break;
402	case 'k':// keys from DubWise	402	case 'k':// keys from DubWise
403	Decode64((uint8_t *) &DubWiseKeys[0],sizeof(DubWiseKeys),3,ReceivedBytes);	403	Decode64((uint8_t *) &DubWiseKeys[0],sizeof(DubWiseKeys),3,ReceivedBytes);
404	ConfirmFrame = DubWiseKeys[3];	404	ConfirmFrame = DubWiseKeys[3];
405	PcAccess = 255;	405	PcAccess = 255;
406	break;	406	break;
407	case 'v': // get version and board release	407	case 'v': // get version and board release
408	RequestVerInfo = TRUE;	408	RequestVerInfo = TRUE;
409	break;	409	break;
410	case 'g':// get external control data	410	case 'g':// get external control data
411	RequestExternalControl = TRUE;	411	RequestExternalControl = TRUE;
412	break;	412	break;
413	case 'q':// get settings	413	case 'q':// get settings
414	Decode64((uint8_t *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,ReceivedBytes);	414	Decode64((uint8_t *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,ReceivedBytes);
415	while(!txd_complete);	415	while(!txd_complete);
416	if(tmp_char_arr2[0] != 0xff)	416	if(tmp_char_arr2[0] != 0xff)
417	{	417	{
418	if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5; // limit to 5	418	if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5; // limit to 5
419	// load requested parameter set	419	// load requested parameter set
420	ParamSet_ReadFromEEProm(tmp_char_arr2[0]);	420	ParamSet_ReadFromEEProm(tmp_char_arr2[0]);
421	SendOutData('L' + tmp_char_arr2[0] -1,MySlaveAddr,(uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN);	421	SendOutData('L' + tmp_char_arr2[0] -1,MySlaveAddr,(uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN);
422	}	422	}
423	else // send active parameter set	423	else // send active parameter set
424	SendOutData('L' + GetParamByte(PID_ACTIVE_SET)-1,MySlaveAddr,(uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN);	424	SendOutData('L' + GetParamByte(PID_ACTIVE_SET)-1,MySlaveAddr,(uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN);
425		425
426	break;	426	break;
427		427
428	case 'l':	428	case 'l':
429	case 'm':	429	case 'm':
430	case 'n':	430	case 'n':
431	case 'o':	431	case 'o':
432	case 'p': // save parameterset	432	case 'p': // save parameterset
433	Decode64((uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN,3,ReceivedBytes);	433	Decode64((uint8_t *) &ParamSet.ChannelAssignment[0],PARAMSET_STRUCT_LEN,3,ReceivedBytes);
434	ParamSet_WriteToEEProm(rxd_buffer[2] - 'l' + 1);	434	ParamSet_WriteToEEProm(rxd_buffer[2] - 'l' + 1);
435	TurnOver180Pitch = (int32_t) ParamSet.AngleTurnOverPitch * 2500L;	435	TurnOver180Nick = (int32_t) ParamSet.AngleTurnOverNick * 2500L;
436	TurnOver180Roll = (int32_t) ParamSet.AngleTurnOverRoll * 2500L;	436	TurnOver180Roll = (int32_t) ParamSet.AngleTurnOverRoll * 2500L;
437	Beep(GetActiveParamSet());	437	Beep(GetActiveParamSet());
438	break;	438	break;
439		439
440		440
441	}	441	}
442	// unlock the rxd buffer after processing	442	// unlock the rxd buffer after processing
443	rxd_buffer_locked = FALSE;	443	rxd_buffer_locked = FALSE;
444	}	444	}
445		445
446	//############################################################################	446	//############################################################################
447	//Routine für die Serielle Ausgabe	447	//Routine für die Serielle Ausgabe
448	int16_t uart_putchar (int8_t c)	448	int16_t uart_putchar (int8_t c)
449	//############################################################################	449	//############################################################################
450	{	450	{
451	if (c == '\n')	451	if (c == '\n')
452	uart_putchar('\r');	452	uart_putchar('\r');
453	// wait until previous character was send	453	// wait until previous character was send
454	loop_until_bit_is_set(UCSR0A, UDRE0);	454	loop_until_bit_is_set(UCSR0A, UDRE0);
455	//Ausgabe des Zeichens	455	//Ausgabe des Zeichens
456	UDR0 = c;	456	UDR0 = c;
457	return (0);	457	return (0);
458	}	458	}
459		459
460		460
461	//---------------------------------------------------------------------------------------------	461	//---------------------------------------------------------------------------------------------
462	void USART0_TransmitTxData(void)	462	void USART0_TransmitTxData(void)
463	{	463	{
464	if(!txd_complete) return;	464	if(!txd_complete) return;
465		465
466	if(RequestExternalControl && txd_complete) // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen	466	if(RequestExternalControl && txd_complete) // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
467	{	467	{
468	SendOutData('G',MySlaveAddr,(uint8_t *) &ExternControl,sizeof(ExternControl));	468	SendOutData('G',MySlaveAddr,(uint8_t *) &ExternControl,sizeof(ExternControl));
469	RequestExternalControl = FALSE;	469	RequestExternalControl = FALSE;
470	}	470	}
471		471
472	#ifdef USE_MK3MAG	472	#ifdef USE_MK3MAG
473	if((CheckDelay(Compass_Timer)) && txd_complete)	473	if((CheckDelay(Compass_Timer)) && txd_complete)
474	{	474	{
475	ToMk3Mag.Attitude[0] = (int16_t) (IntegralPitch / 108); // approx. 0,1 Deg	475	ToMk3Mag.Attitude[0] = (int16_t) (IntegralNick / 108); // approx. 0,1 Deg
476	ToMk3Mag.Attitude[1] = (int16_t) (IntegralRoll / 108); // approx. 0,1 Deg	476	ToMk3Mag.Attitude[1] = (int16_t) (IntegralRoll / 108); // approx. 0,1 Deg
477	ToMk3Mag.UserParam[0] = FCParam.UserParam1;	477	ToMk3Mag.UserParam[0] = FCParam.UserParam1;
478	ToMk3Mag.UserParam[1] = FCParam.UserParam2;	478	ToMk3Mag.UserParam[1] = FCParam.UserParam2;
479	ToMk3Mag.CalState = CompassCalState;	479	ToMk3Mag.CalState = CompassCalState;
480	SendOutData('w',MySlaveAddr,(uint8_t *) &ToMk3Mag,sizeof(ToMk3Mag));	480	SendOutData('w',MySlaveAddr,(uint8_t *) &ToMk3Mag,sizeof(ToMk3Mag));
481	// the last state is 5 and should be send only once to avoid multiple flash writing	481	// the last state is 5 and should be send only once to avoid multiple flash writing
482	if(CompassCalState > 4) CompassCalState = 0;	482	if(CompassCalState > 4) CompassCalState = 0;
483	Compass_Timer = SetDelay(99);	483	Compass_Timer = SetDelay(99);
484	}	484	}
485	#endif	485	#endif
486		486
487	if((CheckDelay(Debug_Timer) \|\| RequestDebugData) && txd_complete)	487	if((CheckDelay(Debug_Timer) \|\| RequestDebugData) && txd_complete)
488	{	488	{
489	SendOutData('D',MySlaveAddr,(uint8_t *) &DebugOut,sizeof(DebugOut));	489	SendOutData('D',MySlaveAddr,(uint8_t *) &DebugOut,sizeof(DebugOut));
490	RequestDebugData = FALSE;	490	RequestDebugData = FALSE;
491	Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL);	491	Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL);
492	}	492	}
493		493
494	if(RequestDebugLabel != 255) // Texte für die Analogdaten	494	if(RequestDebugLabel != 255) // Texte für die Analogdaten
495	{	495	{
496	SendOutData('A',RequestDebugLabel + '0',(uint8_t *) ANALOG_LABEL[RequestDebugLabel],16);	496	SendOutData('A',RequestDebugLabel + '0',(uint8_t *) ANALOG_LABEL[RequestDebugLabel],16);
497	RequestDebugLabel = 255;	497	RequestDebugLabel = 255;
498	}	498	}
499	if(ConfirmFrame && txd_complete) // Datensatz ohne CRC bestätigen	499	if(ConfirmFrame && txd_complete) // Datensatz ohne CRC bestätigen
500	{	500	{

Subversion Repositories FlightCtrl

(root)/branches/V0.69k CRK HexaLotte/uart.c @ 2557 - Rev 909 → 916