0,0 → 1,122 |
/*####################################################################################### |
Decodieren eines RC Summen Signals |
#######################################################################################*/ |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Copyright (c) 04.2007 Holger Buss |
// + only for non-profit use |
// + www.MikroKopter.com |
// + see the File "License.txt" for further Informations |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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#include "rc.h" |
#include "main.h" |
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volatile int PPM_in[11]; |
volatile int PPM_diff[11]; // das diffenzierte Stick-Signal |
volatile unsigned char NewPpmData = 1; |
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//############################################################################ |
//zum decodieren des PPM-Signals wird Timer1 mit seiner Input |
//Capture Funktion benutzt: |
void rc_sum_init (void) |
//############################################################################ |
{ |
TCCR1B=(1<<CS11)|(1<<CS10)|(1<<ICES1)|(1<<ICNC1);//|(1 << WGM12); //timer1 prescale 64 |
// TCCR1B=(1<<CS11)|(0<<CS10)|(1<<ICES1)|(1<<ICNC1); //timer1 prescale 64 |
TIMSK1 |= _BV(ICIE1); |
AdNeutralGier = 0; |
AdNeutralRoll = 0; |
AdNeutralNick = 0; |
return; |
} |
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//############################################################################ |
//Diese Routine startet und inizialisiert den Timer für RC |
SIGNAL(SIG_INPUT_CAPTURE1) |
//############################################################################ |
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{ |
static unsigned int AltICR=0; |
signed int signal = 0,tmp; |
static int index; |
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signal = (unsigned int) ICR1 - AltICR; |
AltICR = ICR1; |
//Syncronisationspause? |
if((signal > 1100) && (signal < 8000)) |
{ |
if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
index = 1; |
} |
else |
{ |
if(index < 10) |
{ |
if((signal > 250) && (signal < 687)) |
{ |
signal -= 466; |
// Stabiles Signal |
if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10; else SenderOkay = 200;} |
tmp = (3 * (PPM_in[index]) + signal) / 4; |
if(tmp > signal+1) tmp--; else |
if(tmp < signal-1) tmp++; |
if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
else PPM_diff[index] = 0; |
PPM_in[index] = tmp; |
} |
index++; |
if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
} |
} |
} |
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/* |
//############################################################################ |
//Diese Routine startet und inizialisiert den Timer für RC |
SIGNAL(SIG_INPUT_CAPTURE1) |
//############################################################################ |
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{ |
static unsigned int AltICR=0; |
signed int signal = 0,tmp; |
static int index; |
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signal = (unsigned int) ICR1 - AltICR; |
DebugOut.Analog[16] = signal; |
signal /= 2; |
AltICR = ICR1; |
//Syncronisationspause? |
if((signal > 1100*2) && (signal < 8000*2)) |
{ |
if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
index = 1; |
} |
else |
{ |
if(index < 10) |
{ |
if((signal > 250) && (signal < 687*2)) |
{ |
signal -= 962; |
// Stabiles Signal |
if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10;} |
tmp = (3 * (PPM_in[index]) + signal) / 4; |
if(tmp > signal+1) tmp--; else |
if(tmp < signal-1) tmp++; |
if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
else PPM_diff[index] = 0; |
PPM_in[index] = tmp; |
} |
index++; |
if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
if(index == 2) J4High; else J4Low; // Servosignal an J4 anlegen |
if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
} |
} |
} |
*/ |
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