0,0 → 1,570 |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Copyright (c) Holger Buss, Ingo Busker |
// + only for non-profit use |
// + www.MikroKopter.com |
// + see the File "License.txt" for further Informations |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
#include <stdarg.h> |
#include <string.h> |
#include "main.h" |
#include "uart.h" |
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#define FC_ADDRESS 1 |
#define NC_ADDRESS 2 |
#define MK3MAG_ADDRESS 3 |
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unsigned char GetExternalControl = 0,DebugDisplayAnforderung1 = 0, DebugDisplayAnforderung = 0,DebugDataAnforderung = 0,GetVersionAnforderung = 0, GetPPMChannelAnforderung = 0; |
unsigned char DisplayLine = 0; |
unsigned volatile char SioTmp = 0; |
unsigned volatile char SendeBuffer[MAX_SENDE_BUFF]; |
unsigned volatile char RxdBuffer[MAX_EMPFANGS_BUFF]; |
unsigned volatile char NMEABuffer[MAX_EMPFANGS_BUFF]; |
unsigned volatile char NeuerDatensatzEmpfangen = 0; |
unsigned volatile char NeueKoordinateEmpfangen = 0; |
unsigned volatile char UebertragungAbgeschlossen = 1; |
unsigned volatile char CntCrcError = 0; |
unsigned volatile char AnzahlEmpfangsBytes = 0; |
unsigned char *pRxData = 0; |
unsigned char RxDataLen = 0; |
unsigned volatile char PC_DebugTimeout = 0; |
unsigned volatile char PC_MotortestActive = 0; |
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unsigned char DebugTextAnforderung = 255; |
unsigned char PcZugriff = 100; |
unsigned char MotorTest[16]; |
unsigned char MeineSlaveAdresse = 1; // Flight-Ctrl |
unsigned char ConfirmFrame; |
struct str_DebugOut DebugOut; |
struct str_ExternControl ExternControl; |
struct str_VersionInfo VersionInfo; |
struct str_WinkelOut WinkelOut; |
struct str_Data3D Data3D; |
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int Debug_Timer,Kompass_Timer,Timer3D; |
unsigned int DebugDataIntervall = 200, Intervall3D = 0; |
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const unsigned char ANALOG_TEXT[32][16] = |
{ |
//1234567890123456 |
"AngleNick ", //0 |
"AngleRoll ", |
"AccNick ", |
"AccRoll ", |
"GyroGier ", |
"Hight Value ", //5 |
"AccZ ", |
"Gas ", |
"Compass Value ", |
"Voltage ", |
"Empfang ", //10 |
"Gyro Kompass ", |
"Motor Front ", |
"Motor Rear ", |
"Motor Left ", |
"Motor Right ", //15 |
" ", |
" ", |
"VarioMeter ", |
"MK3Mag CalState ", |
"Servo ", //20 |
"Hoovergas ", |
" ", |
" ", |
" ", |
" ", //25 |
" ", |
" ", |
"I2C-Error ", |
" ",// "Navi Serial Data", |
"GPS_Nick ", //30 |
"GPS_Roll " |
}; |
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
//++ Sende-Part der Datenübertragung |
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
SIGNAL(INT_VEC_TX) |
{ |
static unsigned int ptr = 0; |
unsigned char tmp_tx; |
if(!UebertragungAbgeschlossen) |
{ |
ptr++; // die [0] wurde schon gesendet |
tmp_tx = SendeBuffer[ptr]; |
if((tmp_tx == '\r') || (ptr == MAX_SENDE_BUFF)) |
{ |
ptr = 0; |
UebertragungAbgeschlossen = 1; |
} |
UDR = tmp_tx; |
} |
else ptr = 0; |
} |
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
//++ Empfangs-Part der Datenübertragung, incl. CRC-Auswertung |
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
SIGNAL(INT_VEC_RX) |
{ |
static unsigned int crc; |
static unsigned char crc1,crc2,buf_ptr; |
static unsigned char UartState = 0; |
unsigned char CrcOkay = 0; |
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SioTmp = UDR; |
if(buf_ptr >= MAX_EMPFANGS_BUFF) UartState = 0; |
if(SioTmp == '\r' && UartState == 2) |
{ |
UartState = 0; |
crc -= RxdBuffer[buf_ptr-2]; |
crc -= RxdBuffer[buf_ptr-1]; |
crc %= 4096; |
crc1 = '=' + crc / 64; |
crc2 = '=' + crc % 64; |
CrcOkay = 0; |
if((crc1 == RxdBuffer[buf_ptr-2]) && (crc2 == RxdBuffer[buf_ptr-1])) CrcOkay = 1; else { CrcOkay = 0; CntCrcError++;}; |
if(!NeuerDatensatzEmpfangen && CrcOkay) // Datensatz schon verarbeitet |
{ |
NeuerDatensatzEmpfangen = 1; |
AnzahlEmpfangsBytes = buf_ptr + 1; |
RxdBuffer[buf_ptr] = '\r'; |
if(RxdBuffer[2] == 'R') |
{ |
wdt_enable(WDTO_250MS); // Reset-Commando |
ServoActive = 0; |
} |
} |
} |
else |
switch(UartState) |
{ |
case 0: |
if(SioTmp == '#' && !NeuerDatensatzEmpfangen) UartState = 1; // Startzeichen und Daten schon verarbeitet |
buf_ptr = 0; |
RxdBuffer[buf_ptr++] = SioTmp; |
crc = SioTmp; |
break; |
case 1: // Adresse auswerten |
UartState++; |
RxdBuffer[buf_ptr++] = SioTmp; |
crc += SioTmp; |
break; |
case 2: // Eingangsdaten sammeln |
RxdBuffer[buf_ptr] = SioTmp; |
if(buf_ptr < MAX_EMPFANGS_BUFF) buf_ptr++; |
else UartState = 0; |
crc += SioTmp; |
break; |
default: |
UartState = 0; |
break; |
} |
} |
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// -------------------------------------------------------------------------- |
void AddCRC(unsigned int wieviele) |
{ |
unsigned int tmpCRC = 0,i; |
for(i = 0; i < wieviele;i++) |
{ |
tmpCRC += SendeBuffer[i]; |
} |
tmpCRC %= 4096; |
SendeBuffer[i++] = '=' + tmpCRC / 64; |
SendeBuffer[i++] = '=' + tmpCRC % 64; |
SendeBuffer[i++] = '\r'; |
UebertragungAbgeschlossen = 0; |
UDR = SendeBuffer[0]; |
} |
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// -------------------------------------------------------------------------- |
void SendOutData(unsigned char cmd,unsigned char address, unsigned char BufferAnzahl, ...) //unsigned char *snd, unsigned char len) |
{ |
va_list ap; |
unsigned int pt = 0; |
unsigned char a,b,c; |
unsigned char ptr = 0; |
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unsigned char *snd = 0; |
int len = 0; |
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SendeBuffer[pt++] = '#'; // Startzeichen |
SendeBuffer[pt++] = 'a' + address; // Adresse (a=0; b=1,...) |
SendeBuffer[pt++] = cmd; // Commando |
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va_start(ap, BufferAnzahl); |
if(BufferAnzahl) |
{ |
snd = va_arg(ap, unsigned char*); |
len = va_arg(ap, int); |
ptr = 0; |
BufferAnzahl--; |
} |
while(len) |
{ |
if(len) |
{ |
a = snd[ptr++]; |
len--; |
if((!len) && BufferAnzahl) |
{ |
snd = va_arg(ap, unsigned char*); |
len = va_arg(ap, int); |
ptr = 0; |
BufferAnzahl--; |
} |
} |
else a = 0; |
if(len) |
{ |
b = snd[ptr++]; |
len--; |
if((!len) && BufferAnzahl) |
{ |
snd = va_arg(ap, unsigned char*); |
len = va_arg(ap, int); |
ptr = 0; |
BufferAnzahl--; |
} |
} |
else b = 0; |
if(len) |
{ |
c = snd[ptr++]; |
len--; |
if((!len) && BufferAnzahl) |
{ |
snd = va_arg(ap, unsigned char*); |
len = va_arg(ap, int); |
ptr = 0; |
BufferAnzahl--; |
} |
} |
else c = 0; |
SendeBuffer[pt++] = '=' + (a >> 2); |
SendeBuffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4)); |
SendeBuffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6)); |
SendeBuffer[pt++] = '=' + ( c & 0x3f); |
} |
va_end(ap); |
AddCRC(pt); |
} |
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// -------------------------------------------------------------------------- |
void Decode64(void) // die daten werden im rx buffer dekodiert, das geht nur, weil aus 4 byte immer 3 gemacht werden. |
{ |
unsigned char a,b,c,d; |
unsigned char x,y,z; |
unsigned char ptrIn = 3; // start at begin of data block |
unsigned char ptrOut = 3; |
unsigned char len = AnzahlEmpfangsBytes - 6; // von der Gesamtbytezahl eines Frames gehen 3 Bytes des Headers ('#',Addr, Cmd) und 3 Bytes des Footers (CRC1, CRC2, '\r') ab. |
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while(len) |
{ |
a = RxdBuffer[ptrIn++] - '='; |
b = RxdBuffer[ptrIn++] - '='; |
c = RxdBuffer[ptrIn++] - '='; |
d = RxdBuffer[ptrIn++] - '='; |
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x = (a << 2) | (b >> 4); |
y = ((b & 0x0f) << 4) | (c >> 2); |
z = ((c & 0x03) << 6) | d; |
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if(len--) RxdBuffer[ptrOut++] = x; else break; |
if(len--) RxdBuffer[ptrOut++] = y; else break; |
if(len--) RxdBuffer[ptrOut++] = z; else break; |
} |
pRxData = (unsigned char*)&RxdBuffer[3]; // decodierte Daten beginnen beim 4. Byte |
RxDataLen = ptrOut - 3; // wie viele Bytes wurden dekodiert? |
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} |
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// -------------------------------------------------------------------------- |
void BearbeiteRxDaten(void) |
{ |
if(!NeuerDatensatzEmpfangen) return; |
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unsigned char tempchar1, tempchar2; |
Decode64(); // dekodiere datenblock im Empfangsbuffer |
switch(RxdBuffer[1]-'a') // check for Slave Address |
{ |
case FC_ADDRESS: // FC special commands |
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switch(RxdBuffer[2]) |
{ |
case 'K':// Kompasswert |
memcpy((unsigned char *)&KompassValue , (unsigned char *)pRxData, sizeof(KompassValue)); |
KompassRichtung = ((540 + KompassValue - KompassStartwert) % 360) - 180; |
break; |
case 't':// Motortest |
if(AnzahlEmpfangsBytes > 20) memcpy(&MotorTest[0], (unsigned char *)pRxData, sizeof(MotorTest)); |
else memcpy(&MotorTest[0], (unsigned char *)pRxData, 4); |
PC_MotortestActive = 240; |
//while(!UebertragungAbgeschlossen); |
//SendOutData('T', MeineSlaveAdresse, 0); |
PcZugriff = 255; |
break; |
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case 'n':// "Get Mixer |
while(!UebertragungAbgeschlossen); |
SendOutData('N', FC_ADDRESS, 1, (unsigned char *) &Mixer,sizeof(Mixer)); |
break; |
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case 'm':// "Write Mixer |
while(!UebertragungAbgeschlossen); |
if(pRxData[0] == MIXER_REVISION) |
{ |
memcpy(&Mixer, (unsigned char *)pRxData, sizeof(Mixer)); |
eeprom_write_block(&Mixer, &EEPromArray[EEPROM_ADR_MIXER_TABLE], sizeof(Mixer)); |
tempchar1 = 1; |
} |
else tempchar1 = 0; |
SendOutData('M', FC_ADDRESS, 1, &tempchar1, sizeof(tempchar1)); |
break; |
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case 'p': // get PPM Channels |
GetPPMChannelAnforderung = 1; |
break; |
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case 'q':// "Get"-Anforderung für Settings |
// Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
if(pRxData[0] == 0xFF) |
{ |
pRxData[0] = GetActiveParamSetNumber(); |
} |
// limit settings range |
if(pRxData[0] < 1) pRxData[0] = 1; // limit to 5 |
else if(pRxData[0] > 5) pRxData[0] = 5; // limit to 5 |
// load requested parameter set |
ReadParameterSet(pRxData[0], (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
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while(!UebertragungAbgeschlossen); |
tempchar1 = pRxData[0]; |
tempchar2 = EE_DATENREVISION; |
SendOutData('Q', FC_ADDRESS, 3, &tempchar1, sizeof(tempchar1), &tempchar2, sizeof(tempchar2), (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
break; |
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case 's': // Parametersatz speichern |
if((1 <= pRxData[0]) && (pRxData[0] <= 5) && (pRxData[1] == EE_DATENREVISION)) // check for setting to be in range |
{ |
memcpy((unsigned char *) &EE_Parameter.Kanalbelegung[0], (unsigned char *)&pRxData[2], STRUCT_PARAM_LAENGE); |
WriteParameterSet(pRxData[0], (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
Umschlag180Nick = (long) EE_Parameter.WinkelUmschlagNick * 2500L; |
Umschlag180Roll = (long) EE_Parameter.WinkelUmschlagRoll * 2500L; |
SetActiveParamSetNumber(pRxData[0]); |
tempchar1 = GetActiveParamSetNumber(); |
LipoDetection(0); |
Piep(tempchar1,110); |
} |
else |
{ |
tempchar1 = 0; // mark in response an invlid setting |
} |
while(!UebertragungAbgeschlossen); |
SendOutData('S', FC_ADDRESS, 1, &tempchar1, sizeof(tempchar1)); |
break; |
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} // case FC_ADDRESS: |
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default: // any Slave Address |
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switch(RxdBuffer[2]) |
{ |
// 't' comand placed here only for compatibility to BL |
case 't':// Motortest |
if(AnzahlEmpfangsBytes > 20) memcpy(&MotorTest[0], (unsigned char *)pRxData, sizeof(MotorTest)); |
else memcpy(&MotorTest[0], (unsigned char *)pRxData, 4); |
while(!UebertragungAbgeschlossen); |
SendOutData('T', MeineSlaveAdresse, 0); |
PC_MotortestActive = 250; |
PcZugriff = 255; |
break; |
// 'K' comand placed here only for compatibility to old MK3MAG software, that does not send the right Slave Address |
case 'K':// Kompasswert |
memcpy((unsigned char *)&KompassValue , (unsigned char *)pRxData, sizeof(KompassValue)); |
KompassRichtung = ((540 + KompassValue - KompassStartwert) % 360) - 180; |
break; |
case 'a':// Texte der Analogwerte |
DebugTextAnforderung = pRxData[0]; |
if (DebugTextAnforderung > 31) DebugTextAnforderung = 31; |
PcZugriff = 255; |
break; |
case 'b': |
memcpy((unsigned char *)&ExternControl, (unsigned char *)pRxData, sizeof(ExternControl)); |
ConfirmFrame = ExternControl.Frame; |
PcZugriff = 255; |
break; |
case 'c': // Poll the 3D-Data |
if(!Intervall3D) { if(pRxData[0]) Timer3D = SetDelay(pRxData[0] * 10);} |
Intervall3D = pRxData[0] * 10; |
break; |
case 'd': // Poll the debug data |
DebugDataIntervall = pRxData[0] * 10; |
if(DebugDataIntervall > 0) DebugDataAnforderung = 1; |
break; |
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case 'h':// x-1 Displayzeilen |
PcZugriff = 255; |
RemoteKeys |= pRxData[0]; |
if(RemoteKeys) DisplayLine = 0; |
DebugDisplayAnforderung = 1; |
break; |
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case 'l':// x-1 Displayzeilen |
PcZugriff = 255; |
MenuePunkt = pRxData[0]; |
DebugDisplayAnforderung1 = 1; |
break; |
case 'v': // Version-Anforderung und Ausbaustufe |
GetVersionAnforderung = 1; |
break; |
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case 'g':// |
GetExternalControl = 1; |
break; |
} |
break; // default: |
} |
NeuerDatensatzEmpfangen = 0; |
pRxData = 0; |
RxDataLen = 0; |
} |
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//############################################################################ |
//Routine für die Serielle Ausgabe |
int uart_putchar (char c) |
//############################################################################ |
{ |
if (c == '\n') |
uart_putchar('\r'); |
//Warten solange bis Zeichen gesendet wurde |
loop_until_bit_is_set(USR, UDRE); |
//Ausgabe des Zeichens |
UDR = c; |
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return (0); |
} |
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// -------------------------------------------------------------------------- |
void WriteProgramData(unsigned int pos, unsigned char wert) |
{ |
//if (ProgramLocation == IN_RAM) Buffer[pos] = wert; |
// else eeprom_write_byte(&EE_Buffer[pos], wert); |
// Buffer[pos] = wert; |
} |
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//############################################################################ |
//INstallation der Seriellen Schnittstelle |
void UART_Init (void) |
//############################################################################ |
{ |
//Enable TXEN im Register UCR TX-Data Enable & RX Enable |
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UCR=(1 << TXEN) | (1 << RXEN); |
// UART Double Speed (U2X) |
USR |= (1<<U2X); |
// RX-Interrupt Freigabe |
UCSRB |= (1<<RXCIE); |
// TX-Interrupt Freigabe |
UCSRB |= (1<<TXCIE); |
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//Teiler wird gesetzt |
UBRR=(SYSCLK / (BAUD_RATE * 8L) - 1); |
//UBRR = 33; |
//öffnet einen Kanal für printf (STDOUT) |
//fdevopen (uart_putchar, 0); |
//sbi(PORTD,4); |
Debug_Timer = SetDelay(DebugDataIntervall); |
Kompass_Timer = SetDelay(220); |
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VersionInfo.SWMajor = VERSION_MAJOR; |
VersionInfo.SWMinor = VERSION_MINOR; |
VersionInfo.SWPatch = VERSION_PATCH; |
VersionInfo.ProtoMajor = VERSION_SERIAL_MAJOR; |
VersionInfo.ProtoMinor = VERSION_SERIAL_MINOR; |
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pRxData = 0; |
RxDataLen = 0; |
} |
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//--------------------------------------------------------------------------------------------- |
void DatenUebertragung(void) |
{ |
if(!UebertragungAbgeschlossen) return; |
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if(DebugDisplayAnforderung && UebertragungAbgeschlossen) |
{ |
Menu(); |
SendOutData('H', FC_ADDRESS, 2, &DisplayLine, sizeof(DisplayLine), &DisplayBuff[DisplayLine * 20], 20); |
DisplayLine++; |
if(DisplayLine >= 4) DisplayLine = 0; |
DebugDisplayAnforderung = 0; |
} |
if(DebugDisplayAnforderung1 && UebertragungAbgeschlossen) |
{ |
Menu(); |
SendOutData('L', FC_ADDRESS, 3, &MenuePunkt, sizeof(MenuePunkt), &MaxMenue, sizeof(MaxMenue), DisplayBuff, sizeof(DisplayBuff)); |
DebugDisplayAnforderung1 = 0; |
} |
if(GetVersionAnforderung && UebertragungAbgeschlossen) |
{ |
SendOutData('V', FC_ADDRESS, 1, (unsigned char *) &VersionInfo, sizeof(VersionInfo)); |
GetVersionAnforderung = 0; |
} |
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if(GetExternalControl && UebertragungAbgeschlossen) // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
{ |
SendOutData('G',MeineSlaveAdresse, 1, (unsigned char *) &ExternControl, sizeof(ExternControl)); |
GetExternalControl = 0; |
} |
if((CheckDelay(Kompass_Timer)) && UebertragungAbgeschlossen) |
{ |
WinkelOut.Winkel[0] = (int) (IntegralNick / (EE_Parameter.GyroAccFaktor * 4)); // etwa in 0.1 Grad |
WinkelOut.Winkel[1] = (int) (IntegralRoll / (EE_Parameter.GyroAccFaktor * 4)); // etwa in 0.1 Grad |
WinkelOut.UserParameter[0] = Parameter_UserParam1; |
WinkelOut.UserParameter[1] = Parameter_UserParam2; |
SendOutData('w', MK3MAG_ADDRESS, 1, (unsigned char *) &WinkelOut,sizeof(WinkelOut)); |
if(WinkelOut.CalcState > 4) WinkelOut.CalcState = 6; // wird dann in SPI auf Null gesetzt |
Kompass_Timer = SetDelay(99); |
} |
if(((DebugDataIntervall>0 && CheckDelay(Debug_Timer)) || DebugDataAnforderung) && UebertragungAbgeschlossen) |
{ |
//if(Poti3 > 64) |
SendOutData('D', FC_ADDRESS, 1, (unsigned char *) &DebugOut,sizeof(DebugOut)); |
DebugDataAnforderung = 0; |
if(DebugDataIntervall>0) Debug_Timer = SetDelay(DebugDataIntervall); |
} |
if(Intervall3D > 0 && CheckDelay(Timer3D) && UebertragungAbgeschlossen) |
{ |
Data3D.Winkel[0] = (int) (IntegralNick / (EE_Parameter.GyroAccFaktor * 4)); // etwa in 0.1 Grad |
Data3D.Winkel[1] = (int) (IntegralRoll / (EE_Parameter.GyroAccFaktor * 4)); // etwa in 0.1 Grad |
Data3D.Winkel[2] = (int) ((10 * ErsatzKompass) / GIER_GRAD_FAKTOR); |
SendOutData('C', FC_ADDRESS, 1, (unsigned char *) &Data3D,sizeof(Data3D)); |
Timer3D = SetDelay(Intervall3D); |
} |
if(DebugTextAnforderung != 255) // Texte für die Analogdaten |
{ |
SendOutData('A', FC_ADDRESS, 2, (unsigned char *)&DebugTextAnforderung, sizeof(DebugTextAnforderung),(unsigned char *) ANALOG_TEXT[DebugTextAnforderung], 16); |
DebugTextAnforderung = 255; |
} |
if(ConfirmFrame && UebertragungAbgeschlossen) // Datensatz bestätigen |
{ |
SendOutData('B', FC_ADDRESS, 1, (uint8_t*)&ConfirmFrame, sizeof(ConfirmFrame)); |
ConfirmFrame = 0; |
} |
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if(GetPPMChannelAnforderung && UebertragungAbgeschlossen) |
{ |
SendOutData('P', FC_ADDRESS, 1, (unsigned char *) &PPM_in, sizeof(PPM_in)); |
GetPPMChannelAnforderung = 0; |
} |
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} |
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