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Rev | Author | Line No. | Line |
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1 | ingob | 1 | /*####################################################################################### |
1561 | killagreg | 2 | Decodieren eines RC Summen Signals |
1 | ingob | 3 | #######################################################################################*/ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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1338 | ingob | 5 | // + Copyright (c) Holger Buss, Ingo Busker |
1 | ingob | 6 | // + only for non-profit use |
7 | // + www.MikroKopter.com |
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1356 | hbuss | 8 | // + porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
1 | ingob | 9 | // + see the File "License.txt" for further Informations |
10 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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11 | |||
12 | #include "rc.h" |
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13 | #include "main.h" |
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1638 | holgerb | 14 | // Achtung: ACT_S3D_SUMMENSIGNAL wird in der Main.h gesetzt |
1 | ingob | 15 | |
1377 | hbuss | 16 | volatile int PPM_in[26]; |
17 | volatile int PPM_diff[26]; // das diffenzierte Stick-Signal |
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1268 | hbuss | 18 | volatile char Channels,tmpChannels = 0; |
1 | ingob | 19 | volatile unsigned char NewPpmData = 1; |
20 | |||
21 | //############################################################################ |
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22 | //zum decodieren des PPM-Signals wird Timer1 mit seiner Input |
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23 | //Capture Funktion benutzt: |
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24 | void rc_sum_init (void) |
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25 | //############################################################################ |
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26 | { |
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1377 | hbuss | 27 | unsigned char i; |
28 | for(i=0;i<26;i++) |
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29 | { |
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30 | PPM_in[i] = 0; |
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31 | PPM_diff[i] = 0; |
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32 | } |
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1438 | ingob | 33 | |
1 | ingob | 34 | AdNeutralGier = 0; |
35 | AdNeutralRoll = 0; |
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36 | AdNeutralNick = 0; |
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37 | return; |
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38 | } |
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1309 | hbuss | 39 | |
1356 | hbuss | 40 | #ifndef ACT_S3D_SUMMENSIGNAL |
1278 | hbuss | 41 | //############################################################################ |
42 | //Diese Routine startet und inizialisiert den Timer für RC |
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1561 | killagreg | 43 | ISR(TIMER1_CAPT_vect) |
1278 | hbuss | 44 | //############################################################################ |
45 | { |
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1309 | hbuss | 46 | if(!(EE_Parameter.ExtraConfig & CFG_SENSITIVE_RC)) |
47 | { |
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1278 | hbuss | 48 | static unsigned int AltICR=0; |
49 | signed int signal = 0,tmp; |
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1561 | killagreg | 50 | static int index; |
51 | |||
52 | signal = (unsigned int) ICR1 - AltICR; |
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53 | AltICR = ICR1; |
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1283 | hbuss | 54 | //Syncronisationspause? (3.52 ms < signal < 25.6 ms) |
1561 | killagreg | 55 | if((signal > 1100) && (signal < 8000)) |
1278 | hbuss | 56 | { |
1320 | hbuss | 57 | Channels = index; |
1278 | hbuss | 58 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
1561 | killagreg | 59 | index = 1; |
60 | } |
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61 | else |
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1278 | hbuss | 62 | { |
1377 | hbuss | 63 | if(index < 13) |
1278 | hbuss | 64 | { |
1561 | killagreg | 65 | if((signal > 250) && (signal < 687)) |
66 | { |
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1278 | hbuss | 67 | signal -= 466; |
68 | // Stabiles Signal |
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69 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10; else SenderOkay = 200;} |
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1561 | killagreg | 70 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
1278 | hbuss | 71 | if(tmp > signal+1) tmp--; else |
1561 | killagreg | 72 | if(tmp < signal-1) tmp++; |
73 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
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1278 | hbuss | 74 | else PPM_diff[index] = 0; |
75 | PPM_in[index] = tmp; |
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1561 | killagreg | 76 | } |
77 | index++; |
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1639 | holgerb | 78 | if(PlatinenVersion < 20) |
79 | { |
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80 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
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81 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
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82 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
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83 | } |
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1278 | hbuss | 84 | } |
85 | } |
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1309 | hbuss | 86 | } |
1561 | killagreg | 87 | else |
1309 | hbuss | 88 | { |
1 | ingob | 89 | static unsigned int AltICR=0; |
1377 | hbuss | 90 | static int ppm_in[13]; |
1561 | killagreg | 91 | static int ppm_diff[13]; |
1377 | hbuss | 92 | static int old_ppm_in[13]; |
1561 | killagreg | 93 | static int old_ppm_diff[13]; |
173 | holgerb | 94 | signed int signal = 0,tmp; |
1561 | killagreg | 95 | static unsigned char index, okay_cnt = 0; |
96 | signal = (unsigned int) ICR1 - AltICR; |
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97 | AltICR = ICR1; |
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1283 | hbuss | 98 | //Syncronisationspause? (3.52 ms < signal < 25.6 ms) |
1561 | killagreg | 99 | if((signal > 1100) && (signal < 8000)) |
1 | ingob | 100 | { |
1268 | hbuss | 101 | tmpChannels = index; |
1561 | killagreg | 102 | if(tmpChannels >= 4 && Channels == tmpChannels) |
1268 | hbuss | 103 | { |
1276 | hbuss | 104 | if(okay_cnt > 10) |
1268 | hbuss | 105 | { |
106 | NewPpmData = 0; // Null bedeutet: Neue Daten |
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1377 | hbuss | 107 | for(index = 0; index < 13; index++) |
1268 | hbuss | 108 | { |
1561 | killagreg | 109 | if(okay_cnt > 30) |
1268 | hbuss | 110 | { |
111 | old_ppm_in[index] = PPM_in[index]; |
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112 | old_ppm_diff[index] = PPM_diff[index]; |
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1561 | killagreg | 113 | } |
1268 | hbuss | 114 | PPM_in[index] = ppm_in[index]; |
115 | PPM_diff[index] = ppm_diff[index]; |
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116 | } |
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117 | } |
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118 | if(okay_cnt < 255) okay_cnt++; |
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119 | } |
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1561 | killagreg | 120 | else |
1278 | hbuss | 121 | { |
122 | if(okay_cnt > 100) okay_cnt = 10; else okay_cnt = 0; |
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123 | ROT_ON; |
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124 | } |
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1561 | killagreg | 125 | index = 1; |
1268 | hbuss | 126 | if(!MotorenEin) Channels = tmpChannels; |
1561 | killagreg | 127 | } |
128 | else |
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1 | ingob | 129 | { |
1377 | hbuss | 130 | if(index < 13) |
1 | ingob | 131 | { |
1561 | killagreg | 132 | if((signal > 250) && (signal < 687)) |
133 | { |
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1 | ingob | 134 | signal -= 466; |
135 | // Stabiles Signal |
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1271 | hbuss | 136 | if((abs(signal - ppm_in[index]) < 6)) |
137 | { |
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1276 | hbuss | 138 | if(okay_cnt > 25) SenderOkay += 10; |
1561 | killagreg | 139 | else |
140 | if(okay_cnt > 10) SenderOkay += 2; |
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1276 | hbuss | 141 | if(SenderOkay > 200) SenderOkay = 200; |
1271 | hbuss | 142 | } |
1561 | killagreg | 143 | tmp = (3 * (ppm_in[index]) + signal) / 4; |
604 | hbuss | 144 | if(tmp > signal+1) tmp--; else |
1561 | killagreg | 145 | if(tmp < signal-1) tmp++; |
146 | if(SenderOkay >= 190) ppm_diff[index] = ((tmp - ppm_in[index]) / 3) * 3; |
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1268 | hbuss | 147 | else ppm_diff[index] = 0; |
148 | ppm_in[index] = tmp; |
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1561 | killagreg | 149 | } |
1268 | hbuss | 150 | else ROT_ON; |
1639 | holgerb | 151 | if(PlatinenVersion < 20) |
152 | { |
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153 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
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154 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
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155 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
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156 | } |
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1268 | hbuss | 157 | } |
1561 | killagreg | 158 | if(index < 20) index++; |
1276 | hbuss | 159 | else |
1561 | killagreg | 160 | if(index == 20) |
1268 | hbuss | 161 | { |
1276 | hbuss | 162 | unsigned char i; |
1278 | hbuss | 163 | ROT_ON; |
1276 | hbuss | 164 | index = 30; |
1377 | hbuss | 165 | for(i=0;i<13;i++) // restore from older data |
1268 | hbuss | 166 | { |
1276 | hbuss | 167 | PPM_in[i] = old_ppm_in[i]; |
168 | PPM_diff[i] = 0; |
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169 | // okay_cnt /= 2; |
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1268 | hbuss | 170 | } |
171 | } |
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172 | } |
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1309 | hbuss | 173 | } |
1171 | hbuss | 174 | } |
175 | |||
1561 | killagreg | 176 | #else |
1171 | hbuss | 177 | //############################################################################ |
178 | //Diese Routine startet und inizialisiert den Timer für RC |
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1561 | killagreg | 179 | ISR(TIMER1_CAPT_vect) |
1171 | hbuss | 180 | //############################################################################ |
181 | |||
182 | { |
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183 | static unsigned int AltICR=0; |
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184 | signed int signal = 0,tmp; |
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1561 | killagreg | 185 | static int index; |
186 | |||
187 | signal = (unsigned int) ICR1 - AltICR; |
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1171 | hbuss | 188 | signal /= 2; |
1561 | killagreg | 189 | AltICR = ICR1; |
1171 | hbuss | 190 | //Syncronisationspause? |
1561 | killagreg | 191 | if((signal > 1100*2) && (signal < 8000*2)) |
1171 | hbuss | 192 | { |
193 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
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1561 | killagreg | 194 | index = 1; |
195 | } |
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196 | else |
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1171 | hbuss | 197 | { |
1377 | hbuss | 198 | if(index < 13) |
1171 | hbuss | 199 | { |
1561 | killagreg | 200 | if((signal > 250) && (signal < 687*2)) |
201 | { |
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1171 | hbuss | 202 | signal -= 962; |
203 | // Stabiles Signal |
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204 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10;} |
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1561 | killagreg | 205 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
1171 | hbuss | 206 | if(tmp > signal+1) tmp--; else |
1561 | killagreg | 207 | if(tmp < signal-1) tmp++; |
208 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
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1171 | hbuss | 209 | else PPM_diff[index] = 0; |
210 | PPM_in[index] = tmp; |
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1561 | killagreg | 211 | } |
212 | index++; |
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1 | ingob | 213 | } |
214 | } |
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215 | } |
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1356 | hbuss | 216 | #endif |
1 | ingob | 217 |