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1 | /*####################################################################################### |
1 | /*####################################################################################### |
2 | Decodieren eines RC Summen Signals |
2 | Decodieren eines RC Summen Signals |
3 | #######################################################################################*/ |
3 | #######################################################################################*/ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
5 | // + Copyright (c) Holger Buss, Ingo Busker |
5 | // + Copyright (c) Holger Buss, Ingo Busker |
6 | // + only for non-profit use |
6 | // + only for non-profit use |
7 | // + www.MikroKopter.com |
7 | // + www.MikroKopter.com |
8 | // + porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
8 | // + porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
9 | // + see the File "License.txt" for further Informations |
9 | // + see the File "License.txt" for further Informations |
10 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
10 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
11 | 11 | ||
12 | #include "rc.h" |
12 | #include "rc.h" |
13 | #include "main.h" |
13 | #include "main.h" |
14 | //#define ACT_S3D_SUMMENSIGNAL |
- | |
- | 14 | ||
15 | 15 | ||
16 | volatile int PPM_in[26]; |
16 | volatile int PPM_in[26]; |
17 | volatile int PPM_diff[26]; // das diffenzierte Stick-Signal |
17 | volatile int PPM_diff[26]; // das diffenzierte Stick-Signal |
18 | volatile char Channels,tmpChannels = 0; |
18 | volatile char Channels,tmpChannels = 0; |
19 | volatile unsigned char NewPpmData = 1; |
19 | volatile unsigned char NewPpmData = 1; |
20 | 20 | ||
21 | //############################################################################ |
21 | //############################################################################ |
22 | //zum decodieren des PPM-Signals wird Timer1 mit seiner Input |
22 | //zum decodieren des PPM-Signals wird Timer1 mit seiner Input |
23 | //Capture Funktion benutzt: |
23 | //Capture Funktion benutzt: |
24 | void rc_sum_init (void) |
24 | void rc_sum_init (void) |
25 | //############################################################################ |
25 | //############################################################################ |
26 | { |
26 | { |
27 | unsigned char i; |
27 | unsigned char i; |
28 | for(i=0;i<26;i++) |
28 | for(i=0;i<26;i++) |
29 | { |
29 | { |
30 | PPM_in[i] = 0; |
30 | PPM_in[i] = 0; |
31 | PPM_diff[i] = 0; |
31 | PPM_diff[i] = 0; |
32 | } |
32 | } |
33 | #ifndef ACT_S3D_SUMMENSIGNAL |
- | |
34 | TCCR1B=(1<<CS11)|(1<<CS10)|(1<<ICES1)|(1<<ICNC1);//|(1 << WGM12); //timer1 prescale 64 |
- | |
35 | #else |
33 | |
36 | TCCR1B=(1<<CS11)|(0<<CS10)|(1<<ICES1)|(1<<ICNC1); //timer1 prescale 64 |
- | |
37 | #endif |
- | |
38 | TIMSK1 |= _BV(ICIE1); |
- | |
39 | AdNeutralGier = 0; |
34 | AdNeutralGier = 0; |
40 | AdNeutralRoll = 0; |
35 | AdNeutralRoll = 0; |
41 | AdNeutralNick = 0; |
36 | AdNeutralNick = 0; |
42 | return; |
37 | return; |
43 | } |
38 | } |
44 | 39 | ||
45 | #ifndef ACT_S3D_SUMMENSIGNAL |
40 | #ifndef ACT_S3D_SUMMENSIGNAL |
46 | //############################################################################ |
41 | //############################################################################ |
47 | //Diese Routine startet und inizialisiert den Timer für RC |
42 | //Diese Routine startet und inizialisiert den Timer für RC |
48 | SIGNAL(SIG_INPUT_CAPTURE1) |
43 | SIGNAL(SIG_INPUT_CAPTURE1) |
49 | //############################################################################ |
44 | //############################################################################ |
50 | { |
45 | { |
51 | if(!(EE_Parameter.ExtraConfig & CFG_SENSITIVE_RC)) |
46 | if(!(EE_Parameter.ExtraConfig & CFG_SENSITIVE_RC)) |
52 | { |
47 | { |
53 | static unsigned int AltICR=0; |
48 | static unsigned int AltICR=0; |
54 | signed int signal = 0,tmp; |
49 | signed int signal = 0,tmp; |
55 | static int index; |
50 | static int index; |
56 | 51 | ||
57 | signal = (unsigned int) ICR1 - AltICR; |
52 | signal = (unsigned int) ICR1 - AltICR; |
58 | AltICR = ICR1; |
53 | AltICR = ICR1; |
59 | //Syncronisationspause? (3.52 ms < signal < 25.6 ms) |
54 | //Syncronisationspause? (3.52 ms < signal < 25.6 ms) |
60 | if((signal > 1100) && (signal < 8000)) |
55 | if((signal > 1100) && (signal < 8000)) |
61 | { |
56 | { |
62 | Channels = index; |
57 | Channels = index; |
63 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
58 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
64 | index = 1; |
59 | index = 1; |
65 | } |
60 | } |
66 | else |
61 | else |
67 | { |
62 | { |
68 | if(index < 13) |
63 | if(index < 13) |
69 | { |
64 | { |
70 | if((signal > 250) && (signal < 687)) |
65 | if((signal > 250) && (signal < 687)) |
71 | { |
66 | { |
72 | signal -= 466; |
67 | signal -= 466; |
73 | // Stabiles Signal |
68 | // Stabiles Signal |
74 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10; else SenderOkay = 200;} |
69 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10; else SenderOkay = 200;} |
75 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
70 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
76 | if(tmp > signal+1) tmp--; else |
71 | if(tmp > signal+1) tmp--; else |
77 | if(tmp < signal-1) tmp++; |
72 | if(tmp < signal-1) tmp++; |
78 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
73 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
79 | else PPM_diff[index] = 0; |
74 | else PPM_diff[index] = 0; |
80 | PPM_in[index] = tmp; |
75 | PPM_in[index] = tmp; |
81 | } |
76 | } |
82 | index++; |
77 | index++; |
83 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
78 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
84 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
79 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
85 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
80 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
86 | } |
81 | } |
87 | } |
82 | } |
88 | } |
83 | } |
89 | else |
84 | else |
90 | { |
85 | { |
91 | static unsigned int AltICR=0; |
86 | static unsigned int AltICR=0; |
92 | static int ppm_in[13]; |
87 | static int ppm_in[13]; |
93 | static int ppm_diff[13]; |
88 | static int ppm_diff[13]; |
94 | static int old_ppm_in[13]; |
89 | static int old_ppm_in[13]; |
95 | static int old_ppm_diff[13]; |
90 | static int old_ppm_diff[13]; |
96 | signed int signal = 0,tmp; |
91 | signed int signal = 0,tmp; |
97 | static unsigned char index, okay_cnt = 0; |
92 | static unsigned char index, okay_cnt = 0; |
98 | signal = (unsigned int) ICR1 - AltICR; |
93 | signal = (unsigned int) ICR1 - AltICR; |
99 | AltICR = ICR1; |
94 | AltICR = ICR1; |
100 | //Syncronisationspause? (3.52 ms < signal < 25.6 ms) |
95 | //Syncronisationspause? (3.52 ms < signal < 25.6 ms) |
101 | if((signal > 1100) && (signal < 8000)) |
96 | if((signal > 1100) && (signal < 8000)) |
102 | { |
97 | { |
103 | tmpChannels = index; |
98 | tmpChannels = index; |
104 | if(tmpChannels >= 4 && Channels == tmpChannels) |
99 | if(tmpChannels >= 4 && Channels == tmpChannels) |
105 | { |
100 | { |
106 | if(okay_cnt > 10) |
101 | if(okay_cnt > 10) |
107 | { |
102 | { |
108 | NewPpmData = 0; // Null bedeutet: Neue Daten |
103 | NewPpmData = 0; // Null bedeutet: Neue Daten |
109 | for(index = 0; index < 13; index++) |
104 | for(index = 0; index < 13; index++) |
110 | { |
105 | { |
111 | if(okay_cnt > 30) |
106 | if(okay_cnt > 30) |
112 | { |
107 | { |
113 | old_ppm_in[index] = PPM_in[index]; |
108 | old_ppm_in[index] = PPM_in[index]; |
114 | old_ppm_diff[index] = PPM_diff[index]; |
109 | old_ppm_diff[index] = PPM_diff[index]; |
115 | } |
110 | } |
116 | PPM_in[index] = ppm_in[index]; |
111 | PPM_in[index] = ppm_in[index]; |
117 | PPM_diff[index] = ppm_diff[index]; |
112 | PPM_diff[index] = ppm_diff[index]; |
118 | } |
113 | } |
119 | } |
114 | } |
120 | if(okay_cnt < 255) okay_cnt++; |
115 | if(okay_cnt < 255) okay_cnt++; |
121 | } |
116 | } |
122 | else |
117 | else |
123 | { |
118 | { |
124 | if(okay_cnt > 100) okay_cnt = 10; else okay_cnt = 0; |
119 | if(okay_cnt > 100) okay_cnt = 10; else okay_cnt = 0; |
125 | ROT_ON; |
120 | ROT_ON; |
126 | } |
121 | } |
127 | index = 1; |
122 | index = 1; |
128 | if(!MotorenEin) Channels = tmpChannels; |
123 | if(!MotorenEin) Channels = tmpChannels; |
129 | } |
124 | } |
130 | else |
125 | else |
131 | { |
126 | { |
132 | if(index < 13) |
127 | if(index < 13) |
133 | { |
128 | { |
134 | if((signal > 250) && (signal < 687)) |
129 | if((signal > 250) && (signal < 687)) |
135 | { |
130 | { |
136 | signal -= 466; |
131 | signal -= 466; |
137 | // Stabiles Signal |
132 | // Stabiles Signal |
138 | if((abs(signal - ppm_in[index]) < 6)) |
133 | if((abs(signal - ppm_in[index]) < 6)) |
139 | { |
134 | { |
140 | if(okay_cnt > 25) SenderOkay += 10; |
135 | if(okay_cnt > 25) SenderOkay += 10; |
141 | else |
136 | else |
142 | if(okay_cnt > 10) SenderOkay += 2; |
137 | if(okay_cnt > 10) SenderOkay += 2; |
143 | if(SenderOkay > 200) SenderOkay = 200; |
138 | if(SenderOkay > 200) SenderOkay = 200; |
144 | } |
139 | } |
145 | tmp = (3 * (ppm_in[index]) + signal) / 4; |
140 | tmp = (3 * (ppm_in[index]) + signal) / 4; |
146 | if(tmp > signal+1) tmp--; else |
141 | if(tmp > signal+1) tmp--; else |
147 | if(tmp < signal-1) tmp++; |
142 | if(tmp < signal-1) tmp++; |
148 | if(SenderOkay >= 190) ppm_diff[index] = ((tmp - ppm_in[index]) / 3) * 3; |
143 | if(SenderOkay >= 190) ppm_diff[index] = ((tmp - ppm_in[index]) / 3) * 3; |
149 | else ppm_diff[index] = 0; |
144 | else ppm_diff[index] = 0; |
150 | ppm_in[index] = tmp; |
145 | ppm_in[index] = tmp; |
151 | } |
146 | } |
152 | else ROT_ON; |
147 | else ROT_ON; |
153 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
148 | if(index == 5) J3High; else J3Low; // Servosignal an J3 anlegen |
154 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
149 | if(index == 6) J4High; else J4Low; // Servosignal an J4 anlegen |
155 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
150 | if(index == 7) J5High; else J5Low; // Servosignal an J5 anlegen |
156 | } |
151 | } |
157 | if(index < 20) index++; |
152 | if(index < 20) index++; |
158 | else |
153 | else |
159 | if(index == 20) |
154 | if(index == 20) |
160 | { |
155 | { |
161 | unsigned char i; |
156 | unsigned char i; |
162 | ROT_ON; |
157 | ROT_ON; |
163 | index = 30; |
158 | index = 30; |
164 | for(i=0;i<13;i++) // restore from older data |
159 | for(i=0;i<13;i++) // restore from older data |
165 | { |
160 | { |
166 | PPM_in[i] = old_ppm_in[i]; |
161 | PPM_in[i] = old_ppm_in[i]; |
167 | PPM_diff[i] = 0; |
162 | PPM_diff[i] = 0; |
168 | // okay_cnt /= 2; |
163 | // okay_cnt /= 2; |
169 | } |
164 | } |
170 | } |
165 | } |
171 | } |
166 | } |
172 | } |
167 | } |
173 | } |
168 | } |
174 | 169 | ||
175 | #else |
170 | #else |
176 | 171 | ||
177 | //############################################################################ |
172 | //############################################################################ |
178 | //Diese Routine startet und inizialisiert den Timer für RC |
173 | //Diese Routine startet und inizialisiert den Timer für RC |
179 | SIGNAL(SIG_INPUT_CAPTURE1) |
174 | SIGNAL(SIG_INPUT_CAPTURE1) |
180 | //############################################################################ |
175 | //############################################################################ |
181 | 176 | ||
182 | { |
177 | { |
183 | static unsigned int AltICR=0; |
178 | static unsigned int AltICR=0; |
184 | signed int signal = 0,tmp; |
179 | signed int signal = 0,tmp; |
185 | static int index; |
180 | static int index; |
186 | 181 | ||
187 | signal = (unsigned int) ICR1 - AltICR; |
182 | signal = (unsigned int) ICR1 - AltICR; |
188 | //DebugOut.Analog[16] = signal; |
183 | //DebugOut.Analog[16] = signal; |
189 | signal /= 2; |
184 | signal /= 2; |
190 | AltICR = ICR1; |
185 | AltICR = ICR1; |
191 | //Syncronisationspause? |
186 | //Syncronisationspause? |
192 | if((signal > 1100*2) && (signal < 8000*2)) |
187 | if((signal > 1100*2) && (signal < 8000*2)) |
193 | { |
188 | { |
194 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
189 | if(index >= 4) NewPpmData = 0; // Null bedeutet: Neue Daten |
195 | index = 1; |
190 | index = 1; |
196 | } |
191 | } |
197 | else |
192 | else |
198 | { |
193 | { |
199 | if(index < 13) |
194 | if(index < 13) |
200 | { |
195 | { |
201 | if((signal > 250) && (signal < 687*2)) |
196 | if((signal > 250) && (signal < 687*2)) |
202 | { |
197 | { |
203 | signal -= 962; |
198 | signal -= 962; |
204 | // Stabiles Signal |
199 | // Stabiles Signal |
205 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10;} |
200 | if(abs(signal - PPM_in[index]) < 6) { if(SenderOkay < 200) SenderOkay += 10;} |
206 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
201 | tmp = (3 * (PPM_in[index]) + signal) / 4; |
207 | if(tmp > signal+1) tmp--; else |
202 | if(tmp > signal+1) tmp--; else |
208 | if(tmp < signal-1) tmp++; |
203 | if(tmp < signal-1) tmp++; |
209 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
204 | if(SenderOkay >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; |
210 | else PPM_diff[index] = 0; |
205 | else PPM_diff[index] = 0; |
211 | PPM_in[index] = tmp; |
206 | PPM_in[index] = tmp; |
212 | } |
207 | } |
213 | index++; |
208 | index++; |
214 | } |
209 | } |
215 | } |
210 | } |
216 | } |
211 | } |
217 | #endif |
212 | #endif |
218 | 213 | ||
219 | 214 |