Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1184 | pangu | 1 | /*####################################################################################### |
| 2 | Decodieren eines RC Summen Signals |
||
| 3 | #######################################################################################*/ |
||
| 4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
||
| 5 | // + Copyright (c) 04.2007 Holger Buss |
||
| 6 | // + only for non-profit use |
||
| 7 | // + www.MikroKopter.com |
||
| 8 | // + see the File "License.txt" for further Informations |
||
| 9 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
||
| 10 | |||
| 11 | #include "rc.h" |
||
| 12 | #include "main.h" |
||
| 13 | |||
| 14 | volatile int PPM_in[11]; |
||
| 15 | volatile int PPM_diff[11]; // das diffenzierte Stick-Signal |
||
| 16 | volatile unsigned char NewPpmData = 1; |
||
| 17 | |||
| 18 | //############################################################################ |
||
| 19 | //zum decodieren des PPM-Signals wird Timer1 mit seiner Input |
||
| 20 | //Capture Funktion benutzt: |
||
| 21 | void rc_sum_init (void) |
||
| 22 | //############################################################################ |
||
| 23 | { |
||
| 24 | TCCR1B=(1<<CS11)|(1<<CS10)|(1<<ICES1)|(1<<ICNC1);//|(1 << WGM12); //timer1 prescale 64 |
||
| 25 | // TCCR1B=(1<<CS11)|(0<<CS10)|(1<<ICES1)|(1<<ICNC1); //timer1 prescale 64 |
||
| 26 | TIMSK1 |= _BV(ICIE1); |
||
| 27 | AdNeutralGier = 0; |
||
| 28 | AdNeutralRoll = 0; |
||
| 29 | AdNeutralNick = 0; |
||
| 30 | return; |
||
| 31 | } |
||
| 32 | |||
| 33 | //############################################################################ |
||
| 34 | //Diese Routine startet und inizialisiert den Timer für RC |
||
| 35 | SIGNAL(SIG_INPUT_CAPTURE1) |
||
| 36 | //############################################################################ |
||
| 37 | |||
| 38 | { |
||
| 39 | static unsigned int AltICR=0; |
||
| 40 | signed int signal = 0,tmp; |
||
| 41 | static int index; |
||
| 42 | |||
| 43 | signal = (unsigned int) ICR1 - AltICR; |
||
| 44 | AltICR = ICR1; |
||
| 45 | //Syncronisationspause? |
||
| 46 | if((signal > 1100) && (signal < 8000)) |
||
| 47 | { |
||
| 48 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
||
| 49 | index = 1; |
||
| 50 | } |
||
| 51 | else |
||
| 52 | { |
||
| 53 | if(index < 10) |
||
| 54 | { |
||
| 55 | if((signal > 250) && (signal < 687)) |
||
| 56 | { |
||
| 57 | signal -= 466; |
||
| 58 | // Stabiles Signal |
||
| 59 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10; else SenderOkay = 200;} |
||
| 60 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
||
| 61 | if(tmp > signal+1) tmp--; else |
||
| 62 | if(tmp < signal-1) tmp++; |
||
| 63 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
||
| 64 | else PPM_diff[index] = 0; |
||
| 65 | PPM_in[index] = tmp; |
||
| 66 | } |
||
| 67 | index++; |
||
| 68 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
||
| 69 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
||
| 70 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
||
| 71 | } |
||
| 72 | } |
||
| 73 | } |
||
| 74 | |||
| 75 | /* |
||
| 76 | //############################################################################ |
||
| 77 | //Diese Routine startet und inizialisiert den Timer für RC |
||
| 78 | SIGNAL(SIG_INPUT_CAPTURE1) |
||
| 79 | //############################################################################ |
||
| 80 | |||
| 81 | { |
||
| 82 | static unsigned int AltICR=0; |
||
| 83 | signed int signal = 0,tmp; |
||
| 84 | static int index; |
||
| 85 | |||
| 86 | signal = (unsigned int) ICR1 - AltICR; |
||
| 87 | DebugOut.Analog[16] = signal; |
||
| 88 | signal /= 2; |
||
| 89 | AltICR = ICR1; |
||
| 90 | //Syncronisationspause? |
||
| 91 | if((signal > 1100*2) && (signal < 8000*2)) |
||
| 92 | { |
||
| 93 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
||
| 94 | index = 1; |
||
| 95 | } |
||
| 96 | else |
||
| 97 | { |
||
| 98 | if(index < 10) |
||
| 99 | { |
||
| 100 | if((signal > 250) && (signal < 687*2)) |
||
| 101 | { |
||
| 102 | signal -= 962; |
||
| 103 | // Stabiles Signal |
||
| 104 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10;} |
||
| 105 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
||
| 106 | if(tmp > signal+1) tmp--; else |
||
| 107 | if(tmp < signal-1) tmp++; |
||
| 108 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
||
| 109 | else PPM_diff[index] = 0; |
||
| 110 | PPM_in[index] = tmp; |
||
| 111 | } |
||
| 112 | index++; |
||
| 113 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
||
| 114 | if(index == 2) J4High; else J4Low; // Servosignal an J4 anlegen |
||
| 115 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
||
| 116 | } |
||
| 117 | } |
||
| 118 | } |
||
| 119 | */ |
||
| 120 | |||
| 121 | |||
| 122 |