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Rev | Author | Line No. | Line |
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1 | ingob | 1 | #include "main.h" |
2 | |||
3 | volatile unsigned int CountMilliseconds = 0; |
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4 | volatile static unsigned int tim_main; |
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5 | volatile unsigned char UpdateMotor = 0; |
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6 | volatile unsigned int cntKompass = 0; |
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7 | volatile unsigned int beeptime = 0; |
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1171 | hbuss | 8 | volatile unsigned char SendSPI = 0, ServoActive = 0; |
723 | hbuss | 9 | |
173 | holgerb | 10 | unsigned int BeepMuster = 0xffff; |
1105 | killagreg | 11 | int ServoValue = 0; |
1 | ingob | 12 | |
1156 | hbuss | 13 | volatile int16_t ServoNickValue = 0; |
14 | volatile int16_t ServoRollValue = 0; |
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15 | |||
1242 | Arthur | 16 | // Arthur P: Added two variables for control of the shutter servo cycle. |
1156 | hbuss | 17 | |
1242 | Arthur | 18 | volatile static unsigned int CameraShutterCycleCounter = 0; |
19 | volatile static unsigned int CameraShutterCycle = 0; |
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20 | |||
21 | |||
1 | ingob | 22 | enum { |
23 | STOP = 0, |
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24 | CK = 1, |
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25 | CK8 = 2, |
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26 | CK64 = 3, |
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27 | CK256 = 4, |
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28 | CK1024 = 5, |
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29 | T0_FALLING_EDGE = 6, |
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30 | T0_RISING_EDGE = 7 |
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31 | }; |
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32 | |||
33 | |||
34 | SIGNAL (SIG_OVERFLOW0) // 8kHz |
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35 | { |
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36 | static unsigned char cnt_1ms = 1,cnt = 0; |
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173 | holgerb | 37 | unsigned char pieper_ein = 0; |
1 | ingob | 38 | // TCNT0 -= 250;//TIMER_RELOAD_VALUE; |
723 | hbuss | 39 | if(SendSPI) SendSPI--; |
1 | ingob | 40 | if(!cnt--) |
41 | { |
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1105 | killagreg | 42 | cnt = 9; |
1 | ingob | 43 | cnt_1ms++; |
44 | cnt_1ms %= 2; |
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45 | if(!cnt_1ms) UpdateMotor = 1; |
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46 | CountMilliseconds++; |
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1105 | killagreg | 47 | } |
1 | ingob | 48 | |
49 | if(beeptime > 1) |
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50 | { |
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1105 | killagreg | 51 | beeptime--; |
52 | if(beeptime & BeepMuster) |
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173 | holgerb | 53 | { |
54 | pieper_ein = 1; |
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55 | } |
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56 | else pieper_ein = 0; |
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1 | ingob | 57 | } |
1105 | killagreg | 58 | else |
173 | holgerb | 59 | { |
60 | pieper_ein = 0; |
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61 | BeepMuster = 0xffff; |
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1105 | killagreg | 62 | } |
173 | holgerb | 63 | |
64 | |||
65 | if(pieper_ein) |
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66 | { |
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67 | if(PlatinenVersion == 10) PORTD |= (1<<2); // Speaker an PORTD.2 |
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68 | else PORTC |= (1<<7); // Speaker an PORTC.7 |
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69 | } |
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1105 | killagreg | 70 | else |
173 | holgerb | 71 | { |
72 | if(PlatinenVersion == 10) PORTD &= ~(1<<2); |
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73 | else PORTC &= ~(1<<7); |
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1105 | killagreg | 74 | } |
75 | |||
1 | ingob | 76 | if(EE_Parameter.GlobalConfig & CFG_KOMPASS_AKTIV) |
77 | { |
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78 | if(PINC & 0x10) |
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79 | { |
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1105 | killagreg | 80 | cntKompass++; |
1 | ingob | 81 | } |
82 | else |
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83 | { |
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1105 | killagreg | 84 | if((cntKompass) && (cntKompass < 362)) |
85 | { |
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693 | hbuss | 86 | cntKompass += cntKompass / 41; |
87 | if(cntKompass > 10) KompassValue = cntKompass - 10; else KompassValue = 0; |
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1105 | killagreg | 88 | } |
1 | ingob | 89 | // if(cntKompass < 10) cntKompass = 10; |
90 | // KompassValue = (unsigned long)((unsigned long)(cntKompass-10)*720L + 1L) / 703L; |
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91 | KompassRichtung = ((540 + KompassValue - KompassStartwert) % 360) - 180; |
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92 | cntKompass = 0; |
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1105 | killagreg | 93 | } |
1 | ingob | 94 | } |
95 | } |
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96 | |||
97 | |||
98 | // ----------------------------------------------------------------------- |
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99 | |||
100 | unsigned int SetDelay (unsigned int t) |
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101 | { |
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102 | // TIMSK0 &= ~_BV(TOIE0); |
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1105 | killagreg | 103 | return(CountMilliseconds + t + 1); |
1 | ingob | 104 | // TIMSK0 |= _BV(TOIE0); |
105 | } |
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106 | |||
107 | // ----------------------------------------------------------------------- |
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108 | char CheckDelay(unsigned int t) |
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109 | { |
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110 | // TIMSK0 &= ~_BV(TOIE0); |
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111 | return(((t - CountMilliseconds) & 0x8000) >> 9); |
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112 | // TIMSK0 |= _BV(TOIE0); |
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113 | } |
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114 | |||
115 | // ----------------------------------------------------------------------- |
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116 | void Delay_ms(unsigned int w) |
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117 | { |
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118 | unsigned int akt; |
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119 | akt = SetDelay(w); |
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120 | while (!CheckDelay(akt)); |
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121 | } |
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122 | |||
395 | hbuss | 123 | void Delay_ms_Mess(unsigned int w) |
124 | { |
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125 | unsigned int akt; |
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126 | akt = SetDelay(w); |
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1166 | hbuss | 127 | while (!CheckDelay(akt)) if(AdReady) {AdReady = 0; ANALOG_ON;} |
395 | hbuss | 128 | } |
129 | |||
1156 | hbuss | 130 | /*****************************************************/ |
131 | /* Initialize Timer 2 */ |
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132 | /*****************************************************/ |
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133 | // The timer 2 is used to generate the PWM at PD7 (J7) |
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134 | // to control a camera servo for nick compensation. |
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135 | void TIMER2_Init(void) |
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910 | hbuss | 136 | { |
1242 | Arthur | 137 | |
1156 | hbuss | 138 | uint8_t sreg = SREG; |
139 | |||
140 | // disable all interrupts before reconfiguration |
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141 | cli(); |
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142 | |||
143 | // set PD7 as output of the PWM for nick servo |
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144 | DDRD |= (1<<DDD7); |
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145 | PORTD &= ~(1<<PORTD7); // set PD7 to low |
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146 | |||
147 | DDRC |= (1<<DDC6); // set PC6 as output (Reset for HEF4017) |
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1171 | hbuss | 148 | HEF4017R_ON; |
1156 | hbuss | 149 | // Timer/Counter 2 Control Register A |
150 | |||
151 | // Timer Mode is FastPWM with timer reload at OCR2A (Bits: WGM22 = 1, WGM21 = 1, WGM20 = 1) |
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152 | // PD7: Normal port operation, OC2A disconnected, (Bits: COM2A1 = 0, COM2A0 = 0) |
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153 | // PD6: Normal port operation, OC2B disconnected, (Bits: COM2B1 = 0, COM2B0 = 0) |
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154 | TCCR2A &= ~((1<<COM2A1)|(1<<COM2A0)|(1<<COM2B1)|(1<<COM2B0)); |
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155 | TCCR2A |= (1<<WGM21)|(1<<WGM20); |
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156 | |||
157 | // Timer/Counter 2 Control Register B |
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158 | |||
159 | // Set clock divider for timer 2 to SYSKLOCK/32 = 20MHz / 32 = 625 kHz |
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160 | // The timer increments from 0x00 to 0xFF with an update rate of 625 kHz or 1.6 us |
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161 | // hence the timer overflow interrupt frequency is 625 kHz / 256 = 2.44 kHz or 0.4096 ms |
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162 | |||
163 | // divider 32 (Bits: CS022 = 0, CS21 = 1, CS20 = 1) |
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164 | TCCR2B &= ~((1<<FOC2A)|(1<<FOC2B)|(1<<CS22)); |
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165 | TCCR2B |= (1<<CS21)|(1<<CS20)|(1<<WGM22); |
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166 | |||
167 | // Initialize the Timer/Counter 2 Register |
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168 | TCNT2 = 0; |
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169 | |||
170 | // Initialize the Output Compare Register A used for PWM generation on port PD7. |
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171 | OCR2A = 255; |
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172 | TCCR2A |= (1<<COM2A1); // set or clear at compare match depends on value of COM2A0 |
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173 | |||
174 | // Timer/Counter 2 Interrupt Mask Register |
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175 | // Enable timer output compare match A Interrupt only |
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176 | TIMSK2 &= ~((1<<OCIE2B)|(1<<TOIE2)); |
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177 | TIMSK2 |= (1<<OCIE2A); |
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178 | |||
179 | SREG = sreg; |
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910 | hbuss | 180 | } |
181 | |||
1156 | hbuss | 182 | //---------------------------- |
183 | void Timer_Init(void) |
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1 | ingob | 184 | { |
1242 | Arthur | 185 | |
1156 | hbuss | 186 | tim_main = SetDelay(10); |
187 | TCCR0B = CK8; |
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188 | TCCR0A = (1<<COM0A1)|(1<<COM0B1)|3;//fast PWM |
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189 | OCR0A = 0; |
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190 | OCR0B = 120; |
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191 | TCNT0 = (unsigned char)-TIMER_RELOAD_VALUE; // reload |
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192 | //OCR1 = 0x00; |
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1105 | killagreg | 193 | |
1156 | hbuss | 194 | TIMSK0 |= _BV(TOIE0); |
195 | } |
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196 | |||
197 | |||
198 | /*****************************************************/ |
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199 | /* Control Servo Position */ |
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200 | /*****************************************************/ |
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201 | |||
202 | ISR(TIMER2_COMPA_vect) |
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203 | { |
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204 | |||
205 | // frame len 22.5 ms = 14063 * 1.6 us |
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206 | // stop pulse: 0.3 ms = 188 * 1.6 us |
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207 | // min servo pulse: 0.6 ms = 375 * 1.6 us |
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208 | // max servo pulse: 2.4 ms = 1500 * 1.6 us |
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209 | // resolution: 1500 - 375 = 1125 steps |
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210 | |||
211 | #define IRS_RUNTIME 127 |
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212 | #define PPM_STOPPULSE 188 |
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213 | // #define PPM_FRAMELEN (14063 |
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1171 | hbuss | 214 | #define PPM_FRAMELEN (1757 * EE_Parameter.ServoNickRefresh) |
1156 | hbuss | 215 | #define MINSERVOPULSE 375 |
216 | #define MAXSERVOPULSE 1500 |
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217 | #define SERVORANGE (MAXSERVOPULSE - MINSERVOPULSE) |
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218 | |||
219 | static uint8_t PulseOutput = 0; |
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220 | static uint16_t RemainingPulse = 0; |
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221 | static uint16_t ServoFrameTime = 0; |
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222 | static uint8_t ServoIndex = 0; |
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223 | |||
224 | #define MULTIPLYER 4 |
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225 | static int16_t ServoNickOffset = (255 / 2) * MULTIPLYER; // initial value near center positon |
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1224 | hbuss | 226 | static int16_t ServoRollOffset = (255 / 2) * MULTIPLYER; // initial value near center positon |
1156 | hbuss | 227 | |
1242 | Arthur | 228 | // Arthur P: Added initialization of the CameraShutterCycle value here as this routine is only |
229 | // called once. This retains all code changes in timer0.c. If parameter 6 > 0 then the user |
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230 | // has set a value for the cycle. CameraShuytterCycle == 5x Para6 to get approx 0.1sec increments. |
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231 | |||
232 | // CameraShutterCycle = 5 * Parameter_UserParam6; |
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233 | CameraShutterCycle = Parameter_UserParam6; |
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234 | |||
235 | // Arthur P: Modified the code to scheck the value of parameter 8. If 128 or higher then a HEF4017 is |
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236 | // expected and will be used. Else J7 and J9 are seen as separate normal outputs. |
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1229 | Arthur | 237 | // if((PlatinenVersion < 20) |
1242 | Arthur | 238 | |
1229 | Arthur | 239 | if((PlatinenVersion < 20) && (Parameter_UserParam8 < 128 )) |
1156 | hbuss | 240 | { |
241 | //--------------------------- |
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242 | // Nick servo state machine |
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243 | //--------------------------- |
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244 | if(!PulseOutput) // pulse output complete |
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245 | { |
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246 | if(TCCR2A & (1<<COM2A0)) // we had a low pulse |
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247 | { |
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248 | TCCR2A &= ~(1<<COM2A0);// make a high pulse |
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249 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; // center position ~ 1.5ms |
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250 | |||
251 | ServoNickOffset = (ServoNickOffset * 3 + (int16_t)Parameter_ServoNickControl * MULTIPLYER) / 4; // lowpass offset |
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252 | ServoNickValue = ServoNickOffset; // offset (Range from 0 to 255 * 3 = 765) |
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253 | if(EE_Parameter.ServoNickCompInvert & 0x01) |
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254 | { // inverting movement of servo |
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255 | ServoNickValue += (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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256 | } |
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257 | else |
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258 | { // non inverting movement of servo |
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259 | ServoNickValue -= (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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260 | } |
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261 | // limit servo value to its parameter range definition |
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262 | if(ServoNickValue < ((int16_t)EE_Parameter.ServoNickMin * MULTIPLYER) ) |
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263 | { |
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264 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMin * MULTIPLYER; |
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265 | } |
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266 | else |
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267 | if(ServoNickValue > ((int16_t)EE_Parameter.ServoNickMax * MULTIPLYER) ) |
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268 | { |
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269 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMax * MULTIPLYER; |
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270 | } |
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271 | |||
272 | RemainingPulse += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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273 | |||
274 | ServoNickValue /= MULTIPLYER; |
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275 | DebugOut.Analog[20] = ServoNickValue; |
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276 | |||
277 | // range servo pulse width |
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278 | if(RemainingPulse > MAXSERVOPULSE ) RemainingPulse = MAXSERVOPULSE; // upper servo pulse limit |
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279 | else if(RemainingPulse < MINSERVOPULSE ) RemainingPulse = MINSERVOPULSE; // lower servo pulse limit |
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280 | // accumulate time for correct update rate |
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281 | ServoFrameTime = RemainingPulse; |
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282 | } |
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283 | else // we had a high pulse |
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284 | { |
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285 | TCCR2A |= (1<<COM2A0); // make a low pulse |
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286 | RemainingPulse = PPM_FRAMELEN - ServoFrameTime; |
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287 | } |
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288 | // set pulse output active |
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289 | PulseOutput = 1; |
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290 | } |
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291 | } // EOF Nick servo state machine |
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292 | else |
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293 | { |
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294 | //----------------------------------------------------- |
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295 | // PPM state machine, onboard demultiplexed by HEF4017 |
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296 | //----------------------------------------------------- |
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297 | if(!PulseOutput) // pulse output complete |
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298 | { |
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299 | if(TCCR2A & (1<<COM2A0)) // we had a low pulse |
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300 | { |
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301 | TCCR2A &= ~(1<<COM2A0);// make a high pulse |
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302 | |||
303 | if(ServoIndex == 0) // if we are at the sync gap |
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304 | { |
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305 | RemainingPulse = PPM_FRAMELEN - ServoFrameTime; // generate sync gap by filling time to full frame time |
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306 | ServoFrameTime = 0; // reset servo frame time |
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307 | HEF4017R_ON; // enable HEF4017 reset |
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308 | } |
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309 | else // servo channels |
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310 | { |
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311 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; // center position ~ 1.5ms |
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312 | switch(ServoIndex) // map servo channels |
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313 | { |
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314 | case 1: // Nick Compensation Servo |
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315 | ServoNickOffset = (ServoNickOffset * 3 + (int16_t)Parameter_ServoNickControl * MULTIPLYER) / 4; // lowpass offset |
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316 | ServoNickValue = ServoNickOffset; // offset (Range from 0 to 255 * 3 = 765) |
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317 | if(EE_Parameter.ServoNickCompInvert & 0x01) |
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318 | { // inverting movement of servo |
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319 | ServoNickValue += (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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320 | } |
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321 | else |
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322 | { // non inverting movement of servo |
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323 | ServoNickValue -= (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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324 | } |
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325 | // limit servo value to its parameter range definition |
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326 | if(ServoNickValue < ((int16_t)EE_Parameter.ServoNickMin * MULTIPLYER) ) |
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327 | { |
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328 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMin * MULTIPLYER; |
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329 | } |
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330 | else |
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331 | if(ServoNickValue > ((int16_t)EE_Parameter.ServoNickMax * MULTIPLYER) ) |
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332 | { |
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333 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMax * MULTIPLYER; |
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334 | } |
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335 | RemainingPulse += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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336 | ServoNickValue /= MULTIPLYER; |
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337 | DebugOut.Analog[20] = ServoNickValue; |
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338 | break; |
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1224 | hbuss | 339 | case 2: // Roll Compensation Servo |
1242 | Arthur | 340 | // Arthur P: Modified the code here to allow the user to either continue with the default |
341 | // offset value of 80, or set a different offset using parameter 7. I.e. if |
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342 | // parameter 7 == 0 then the default is used, but if a value > 0 is entered then |
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343 | // that value is used. |
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344 | if(Parameter_UserParam7==0) |
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345 | { |
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346 | ServoRollOffset = (ServoRollOffset * 3 + (int16_t) 80 * MULTIPLYER) / 4; // lowpass offset |
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347 | } |
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348 | else |
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349 | { |
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350 | ServoRollOffset = (ServoRollOffset * 3 + (int16_t) Parameter_UserParam7 * MULTIPLYER) / 4; |
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351 | } |
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1224 | hbuss | 352 | ServoRollValue = ServoRollOffset; // offset (Range from 0 to 255 * 3 = 765) |
353 | //if(EE_Parameter.ServoRollCompInvert & 0x01) |
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1229 | Arthur | 354 | if(Parameter_UserParam8 & 0x40) |
1242 | Arthur | 355 | { // Arthur P: Inverting movement of servo if 64 has been added to User Parameter8 |
1229 | Arthur | 356 | ServoRollValue += (int16_t)( ( (int32_t) 50 * MULTIPLYER * (IntegralRoll / 128L ) ) / (256L) ); |
1224 | hbuss | 357 | } |
1229 | Arthur | 358 | /**/ else |
1224 | hbuss | 359 | { // non inverting movement of servo |
360 | ServoRollValue -= (int16_t)( ( (int32_t) 40 * MULTIPLYER * (IntegralRoll / 128L ) ) / (256L) ); |
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361 | } |
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1229 | Arthur | 362 | /**/ // limit servo value to its parameter range definition |
1224 | hbuss | 363 | if(ServoRollValue < ((int16_t)EE_Parameter.ServoNickMin * MULTIPLYER) ) |
364 | { |
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365 | ServoRollValue = (int16_t)EE_Parameter.ServoNickMin * MULTIPLYER; |
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366 | } |
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367 | else |
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368 | if(ServoRollValue > ((int16_t)EE_Parameter.ServoNickMax * MULTIPLYER) ) |
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369 | { |
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370 | ServoRollValue = (int16_t)EE_Parameter.ServoNickMax * MULTIPLYER; |
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371 | } |
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372 | RemainingPulse += ServoRollValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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373 | ServoRollValue /= MULTIPLYER; |
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374 | //DebugOut.Analog[20] = ServoRollValue; |
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1156 | hbuss | 375 | |
1224 | hbuss | 376 | /* ServoRollOffset = (ServoRollOffset * 3 + (int16_t)Parameter_ServoRollControl * MULTIPLYER) / 4; // lowpass offset |
377 | ServoRollValue = ServoRollOffset; // offset (Range from 0 to 255 * 3 = 765) |
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378 | if(EE_Parameter.ServoRollCompInvert & 0x01) |
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379 | { // inverting movement of servo |
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380 | ServoRollValue += (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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381 | } |
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382 | else |
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383 | { // non inverting movement of servo |
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384 | ServoRollValue -= (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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385 | } |
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386 | // limit servo value to its parameter range definition |
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387 | if(ServoRollValue < ((int16_t)EE_Parameter.ServoRollMin * MULTIPLYER) ) |
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388 | { |
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389 | ServoRollValue = (int16_t)EE_Parameter.ServoRollMin * MULTIPLYER; |
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390 | } |
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391 | else |
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392 | if(ServoRollValue > ((int16_t)EE_Parameter.ServoRollMax * MULTIPLYER) ) |
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393 | { |
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394 | ServoRollValue = (int16_t)EE_Parameter.ServoRollMax * MULTIPLYER; |
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395 | } |
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396 | RemainingPulse += ServoRollValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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397 | ServoRollValue /= MULTIPLYER; |
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398 | //DebugOut.Analog[20] = ServoRollValue; |
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399 | */ break; |
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1242 | Arthur | 400 | case 3: // Arthur P: Shutter Servo including interval control over parameter 5 and 6. |
1224 | hbuss | 401 | |
1242 | Arthur | 402 | |
403 | if(PPM_in[EE_Parameter.Kanalbelegung[K_POTI3]] < -32) |
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404 | { |
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405 | // Set servo to null position, turning camera off. |
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406 | RemainingPulse = MINSERVOPULSE; |
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407 | } |
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408 | else |
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409 | { |
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410 | if(PPM_in[EE_Parameter.Kanalbelegung[K_POTI3]] > 32) |
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411 | // Middle position on a 3 position switch which runs from -127 to +127 |
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412 | { |
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413 | |||
414 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; |
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415 | } |
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416 | else |
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417 | { |
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418 | // Cycle shutter servo between on and off depending upon CameraShutterCycleCounter |
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419 | // If CameraShutterCylce < 50 then default to continuous shoot. |
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420 | if(CameraShutterCycle < 50 ) |
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421 | { |
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422 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; |
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423 | } |
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424 | else |
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425 | { |
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426 | if(CameraShutterCycleCounter == CameraShutterCycle) |
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427 | { |
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428 | // Shutter on |
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429 | CameraShutterCycleCounter = 0; |
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430 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; |
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431 | } |
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432 | else |
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433 | { |
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434 | // Leave on for at least 24 cycles or 0.25 seconds to allow |
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435 | // the camera to properly trigger, turn off if past 0.25 sec. |
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436 | // For now this is actually set via para5 to allow for a long enough |
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437 | // shutter pulse for different cameras. Once it is clear what value |
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438 | // works, this can be changed to a hardcoded value. |
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439 | if(CameraShutterCycleCounter>Parameter_UserParam5) |
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440 | { |
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441 | |||
442 | RemainingPulse = MINSERVOPULSE; |
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443 | } |
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444 | CameraShutterCycleCounter++; |
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445 | } |
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446 | } |
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447 | } |
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448 | } |
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449 | break; |
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450 | |||
1156 | hbuss | 451 | default: // other servo channels |
452 | RemainingPulse += 2 * PPM_in[ServoIndex]; // add channel value, factor of 2 because timer 1 increments 3.2µs |
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453 | break; |
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454 | } |
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455 | // range servo pulse width |
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456 | if(RemainingPulse > MAXSERVOPULSE ) RemainingPulse = MAXSERVOPULSE; // upper servo pulse limit |
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457 | else if(RemainingPulse < MINSERVOPULSE ) RemainingPulse = MINSERVOPULSE; // lower servo pulse limit |
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458 | // substract stop pulse width |
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1242 | Arthur | 459 | // Arthur P: I think the following line, correcting for the PPM sTOPPULSE does not apply for the |
460 | // calculated pulses, or maybe not at all. Therefore I-m commenting it out to see what happens.... |
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461 | // 090624 reactivated as rollservo correction can now be done over para7. |
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1156 | hbuss | 462 | RemainingPulse -= PPM_STOPPULSE; |
463 | // accumulate time for correct sync gap |
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464 | ServoFrameTime += RemainingPulse; |
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465 | } |
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466 | } |
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467 | else // we had a high pulse |
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468 | { |
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469 | TCCR2A |= (1<<COM2A0); // make a low pulse |
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470 | // set pulsewidth to stop pulse width |
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471 | RemainingPulse = PPM_STOPPULSE; |
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472 | // accumulate time for correct sync gap |
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473 | ServoFrameTime += RemainingPulse; |
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1171 | hbuss | 474 | if(ServoActive && SenderOkay > 180) HEF4017R_OFF; // disable HEF4017 reset |
1156 | hbuss | 475 | ServoIndex++; // change to next servo channel |
476 | if(ServoIndex > EE_Parameter.ServoNickRefresh) ServoIndex = 0; // reset to the sync gap |
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477 | } |
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478 | // set pulse output active |
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479 | PulseOutput = 1; |
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480 | } |
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481 | } // EOF PPM state machine |
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482 | |||
483 | // General pulse output generator |
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484 | if(RemainingPulse > (255 + IRS_RUNTIME)) |
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485 | { |
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486 | OCR2A = 255; |
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487 | RemainingPulse -= 255; |
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910 | hbuss | 488 | } |
1156 | hbuss | 489 | else |
490 | { |
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491 | if(RemainingPulse > 255) // this is the 2nd last part |
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492 | { |
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493 | if((RemainingPulse - 255) < IRS_RUNTIME) |
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494 | { |
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495 | OCR2A = 255 - IRS_RUNTIME; |
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496 | RemainingPulse -= 255 - IRS_RUNTIME; |
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497 | |||
498 | } |
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499 | else // last part > ISR_RUNTIME |
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500 | { |
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501 | OCR2A = 255; |
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502 | RemainingPulse -= 255; |
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503 | } |
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504 | } |
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505 | else // this is the last part |
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506 | { |
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507 | OCR2A = RemainingPulse; |
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508 | RemainingPulse = 0; |
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509 | PulseOutput = 0; // trigger to stop pulse |
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510 | } |
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511 | } // EOF general pulse output generator |
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1111 | hbuss | 512 | } |