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Rev | Author | Line No. | Line |
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1 | ingob | 1 | #include "main.h" |
1320 | hbuss | 2 | #include "spectrum.h" |
1 | ingob | 3 | |
4 | volatile unsigned int CountMilliseconds = 0; |
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5 | volatile static unsigned int tim_main; |
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6 | volatile unsigned char UpdateMotor = 0; |
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7 | volatile unsigned int cntKompass = 0; |
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8 | volatile unsigned int beeptime = 0; |
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1171 | hbuss | 9 | volatile unsigned char SendSPI = 0, ServoActive = 0; |
723 | hbuss | 10 | |
173 | holgerb | 11 | unsigned int BeepMuster = 0xffff; |
1 | ingob | 12 | |
1156 | hbuss | 13 | volatile int16_t ServoNickValue = 0; |
14 | volatile int16_t ServoRollValue = 0; |
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15 | |||
1504 | kneet | 16 | // Arthur P: Added two variables for control of the shutter servo cycle. |
17 | // 091114 Inserted same changes into v.0.76g code. |
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18 | // 091114 Inactivated the following two lines as the shutter interval funtion is not |
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19 | // used at the moment. |
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20 | // volatile static unsigned int CameraShutterCycleCounter = 0; |
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21 | // volatile static unsigned int CameraShutterCycle = 0; |
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1156 | hbuss | 22 | |
1504 | kneet | 23 | |
24 | |||
1 | ingob | 25 | enum { |
26 | STOP = 0, |
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27 | CK = 1, |
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28 | CK8 = 2, |
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29 | CK64 = 3, |
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30 | CK256 = 4, |
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31 | CK1024 = 5, |
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32 | T0_FALLING_EDGE = 6, |
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33 | T0_RISING_EDGE = 7 |
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34 | }; |
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35 | |||
36 | |||
1322 | hbuss | 37 | SIGNAL (SIG_OVERFLOW0) // 9,7kHz |
1 | ingob | 38 | { |
1504 | kneet | 39 | static unsigned char cnt_1ms = 1,cnt = 0; |
173 | holgerb | 40 | unsigned char pieper_ein = 0; |
1504 | kneet | 41 | if(SendSPI) SendSPI--; |
42 | if(SpektrumTimer) SpektrumTimer--; |
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1320 | hbuss | 43 | |
1504 | kneet | 44 | if(!cnt--) |
1 | ingob | 45 | { |
1504 | kneet | 46 | cnt = 9; |
47 | cnt_1ms++; |
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48 | cnt_1ms %= 2; |
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49 | if(!cnt_1ms) UpdateMotor = 1; |
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50 | CountMilliseconds++; |
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1105 | killagreg | 51 | } |
1 | ingob | 52 | |
1504 | kneet | 53 | if(beeptime >= 1) |
54 | { |
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55 | beeptime--; |
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1105 | killagreg | 56 | if(beeptime & BeepMuster) |
1504 | kneet | 57 | { |
58 | pieper_ein = 1; |
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1 | ingob | 59 | } |
1504 | kneet | 60 | else |
61 | { |
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62 | pieper_ein = 0; |
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63 | } |
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64 | } |
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65 | else |
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66 | { |
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67 | pieper_ein = 0; |
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68 | BeepMuster = 0xffff; |
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69 | } |
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173 | holgerb | 70 | |
1504 | kneet | 71 | if(pieper_ein) |
72 | { |
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73 | if(PlatinenVersion == 10) |
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74 | { |
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75 | PORTD |= (1<<2); // Speaker an PORTD.2 |
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173 | holgerb | 76 | } |
1504 | kneet | 77 | else |
78 | { |
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79 | PORTC |= (1<<7); // Speaker an PORTC.7 |
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1105 | killagreg | 80 | } |
1504 | kneet | 81 | } |
82 | else |
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1105 | killagreg | 83 | { |
1504 | kneet | 84 | if(PlatinenVersion == 10) |
85 | { |
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86 | PORTD &= ~(1<<2); |
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87 | } |
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88 | else |
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89 | { |
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90 | PORTC &= ~(1<<7); |
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91 | } |
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1105 | killagreg | 92 | } |
1320 | hbuss | 93 | |
1504 | kneet | 94 | if(EE_Parameter.GlobalConfig & CFG_KOMPASS_AKTIV) |
95 | { |
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96 | if(PINC & 0x10) |
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97 | { |
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98 | cntKompass++; |
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99 | } |
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100 | else |
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101 | { |
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102 | if((cntKompass) && (cntKompass < 362)) |
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103 | { |
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104 | cntKompass += cntKompass / 41; |
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105 | if(cntKompass > 10) |
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106 | { |
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107 | KompassValue = cntKompass - 10; |
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108 | } |
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109 | else |
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110 | { |
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111 | KompassValue = 0; |
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112 | } |
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113 | } |
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114 | |||
115 | // if(cntKompass < 10) cntKompass =r 10; |
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116 | // KompassValue = (unsigned long)((unsigned long)(cntKompass-10)*720L + 1L) / 703L; |
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117 | |||
118 | KompassRichtung = ((540 + KompassValue - KompassStartwert) % 360) - 180; |
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119 | cntKompass = 0; |
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120 | } |
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121 | } |
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122 | |||
1 | ingob | 123 | } |
124 | |||
125 | |||
126 | // ----------------------------------------------------------------------- |
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127 | |||
128 | unsigned int SetDelay (unsigned int t) |
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129 | { |
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130 | // TIMSK0 &= ~_BV(TOIE0); |
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1105 | killagreg | 131 | return(CountMilliseconds + t + 1); |
1 | ingob | 132 | // TIMSK0 |= _BV(TOIE0); |
133 | } |
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134 | |||
135 | // ----------------------------------------------------------------------- |
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136 | char CheckDelay(unsigned int t) |
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137 | { |
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138 | // TIMSK0 &= ~_BV(TOIE0); |
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139 | return(((t - CountMilliseconds) & 0x8000) >> 9); |
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140 | // TIMSK0 |= _BV(TOIE0); |
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141 | } |
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142 | |||
143 | // ----------------------------------------------------------------------- |
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144 | void Delay_ms(unsigned int w) |
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145 | { |
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146 | unsigned int akt; |
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147 | akt = SetDelay(w); |
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148 | while (!CheckDelay(akt)); |
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149 | } |
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150 | |||
395 | hbuss | 151 | void Delay_ms_Mess(unsigned int w) |
152 | { |
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153 | unsigned int akt; |
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154 | akt = SetDelay(w); |
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1166 | hbuss | 155 | while (!CheckDelay(akt)) if(AdReady) {AdReady = 0; ANALOG_ON;} |
395 | hbuss | 156 | } |
157 | |||
1156 | hbuss | 158 | /*****************************************************/ |
159 | /* Initialize Timer 2 */ |
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160 | /*****************************************************/ |
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161 | // The timer 2 is used to generate the PWM at PD7 (J7) |
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162 | // to control a camera servo for nick compensation. |
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163 | void TIMER2_Init(void) |
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910 | hbuss | 164 | { |
1156 | hbuss | 165 | uint8_t sreg = SREG; |
166 | |||
167 | // disable all interrupts before reconfiguration |
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168 | cli(); |
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1232 | hbuss | 169 | |
1156 | hbuss | 170 | PORTD &= ~(1<<PORTD7); // set PD7 to low |
171 | |||
172 | DDRC |= (1<<DDC6); // set PC6 as output (Reset for HEF4017) |
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1171 | hbuss | 173 | HEF4017R_ON; |
1156 | hbuss | 174 | // Timer/Counter 2 Control Register A |
175 | |||
176 | // Timer Mode is FastPWM with timer reload at OCR2A (Bits: WGM22 = 1, WGM21 = 1, WGM20 = 1) |
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177 | // PD7: Normal port operation, OC2A disconnected, (Bits: COM2A1 = 0, COM2A0 = 0) |
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178 | // PD6: Normal port operation, OC2B disconnected, (Bits: COM2B1 = 0, COM2B0 = 0) |
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179 | TCCR2A &= ~((1<<COM2A1)|(1<<COM2A0)|(1<<COM2B1)|(1<<COM2B0)); |
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180 | TCCR2A |= (1<<WGM21)|(1<<WGM20); |
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181 | |||
182 | // Timer/Counter 2 Control Register B |
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183 | |||
184 | // Set clock divider for timer 2 to SYSKLOCK/32 = 20MHz / 32 = 625 kHz |
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185 | // The timer increments from 0x00 to 0xFF with an update rate of 625 kHz or 1.6 us |
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186 | // hence the timer overflow interrupt frequency is 625 kHz / 256 = 2.44 kHz or 0.4096 ms |
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187 | |||
188 | // divider 32 (Bits: CS022 = 0, CS21 = 1, CS20 = 1) |
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189 | TCCR2B &= ~((1<<FOC2A)|(1<<FOC2B)|(1<<CS22)); |
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190 | TCCR2B |= (1<<CS21)|(1<<CS20)|(1<<WGM22); |
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191 | |||
192 | // Initialize the Timer/Counter 2 Register |
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193 | TCNT2 = 0; |
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194 | |||
195 | // Initialize the Output Compare Register A used for PWM generation on port PD7. |
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196 | OCR2A = 255; |
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197 | TCCR2A |= (1<<COM2A1); // set or clear at compare match depends on value of COM2A0 |
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198 | |||
199 | // Timer/Counter 2 Interrupt Mask Register |
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200 | // Enable timer output compare match A Interrupt only |
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201 | TIMSK2 &= ~((1<<OCIE2B)|(1<<TOIE2)); |
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202 | TIMSK2 |= (1<<OCIE2A); |
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203 | |||
204 | SREG = sreg; |
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910 | hbuss | 205 | } |
206 | |||
1156 | hbuss | 207 | //---------------------------- |
208 | void Timer_Init(void) |
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1 | ingob | 209 | { |
1156 | hbuss | 210 | tim_main = SetDelay(10); |
211 | TCCR0B = CK8; |
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212 | TCCR0A = (1<<COM0A1)|(1<<COM0B1)|3;//fast PWM |
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213 | OCR0A = 0; |
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214 | OCR0B = 120; |
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215 | TCNT0 = (unsigned char)-TIMER_RELOAD_VALUE; // reload |
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216 | //OCR1 = 0x00; |
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1105 | killagreg | 217 | |
1156 | hbuss | 218 | TIMSK0 |= _BV(TOIE0); |
219 | } |
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220 | |||
221 | |||
222 | /*****************************************************/ |
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223 | /* Control Servo Position */ |
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224 | /*****************************************************/ |
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225 | |||
226 | ISR(TIMER2_COMPA_vect) |
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227 | { |
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228 | // frame len 22.5 ms = 14063 * 1.6 us |
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229 | // stop pulse: 0.3 ms = 188 * 1.6 us |
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230 | // min servo pulse: 0.6 ms = 375 * 1.6 us |
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231 | // max servo pulse: 2.4 ms = 1500 * 1.6 us |
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232 | // resolution: 1500 - 375 = 1125 steps |
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233 | |||
234 | #define IRS_RUNTIME 127 |
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235 | #define PPM_STOPPULSE 188 |
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236 | // #define PPM_FRAMELEN (14063 |
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1171 | hbuss | 237 | #define PPM_FRAMELEN (1757 * EE_Parameter.ServoNickRefresh) |
1156 | hbuss | 238 | #define MINSERVOPULSE 375 |
239 | #define MAXSERVOPULSE 1500 |
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240 | #define SERVORANGE (MAXSERVOPULSE - MINSERVOPULSE) |
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241 | |||
242 | static uint8_t PulseOutput = 0; |
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243 | static uint16_t RemainingPulse = 0; |
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244 | static uint16_t ServoFrameTime = 0; |
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245 | static uint8_t ServoIndex = 0; |
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246 | |||
247 | #define MULTIPLYER 4 |
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248 | static int16_t ServoNickOffset = (255 / 2) * MULTIPLYER; // initial value near center positon |
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1224 | hbuss | 249 | static int16_t ServoRollOffset = (255 / 2) * MULTIPLYER; // initial value near center positon |
1156 | hbuss | 250 | |
1504 | kneet | 251 | // Arthur P: Added initialization of the CameraShutterCycle value here as this routine is only |
252 | // called once. This retains all code changes in timer0.c. If parameter 6 > 0 then the user |
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253 | // has set a value for the cycle. CameraShuytterCycle == 5x Para6 to get approx 0.1sec increments. |
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254 | // 090807: Arthur P.: Removed the shutter cycle parts as they may be impacting timing loops. |
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255 | // CameraShutterCycle = 5 * Parameter_UserParam6; |
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256 | // CameraShutterCycle = Parameter_UserParam6; |
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257 | |||
258 | // Arthur P: Modified the code to scheck the value of parameter 8. If 128 or higher then a HEF4017 is |
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259 | // expected and will be used. Else J7 and J9 are seen as separate normal outputs. |
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260 | // if((PlatinenVersion < 20) |
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261 | // 091114. Inserted same changes into v.0.76g code. |
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262 | |||
1503 | kneet | 263 | if((PlatinenVersion < 20) && (Parameter_UserParam8 < 128 )) |
1156 | hbuss | 264 | { |
265 | //--------------------------- |
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266 | // Nick servo state machine |
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267 | //--------------------------- |
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268 | if(!PulseOutput) // pulse output complete |
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269 | { |
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270 | if(TCCR2A & (1<<COM2A0)) // we had a low pulse |
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271 | { |
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272 | TCCR2A &= ~(1<<COM2A0);// make a high pulse |
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273 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; // center position ~ 1.5ms |
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274 | |||
275 | ServoNickOffset = (ServoNickOffset * 3 + (int16_t)Parameter_ServoNickControl * MULTIPLYER) / 4; // lowpass offset |
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276 | ServoNickValue = ServoNickOffset; // offset (Range from 0 to 255 * 3 = 765) |
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1232 | hbuss | 277 | if(EE_Parameter.ServoCompInvert & 0x01) |
1156 | hbuss | 278 | { // inverting movement of servo |
279 | ServoNickValue += (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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280 | } |
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281 | else |
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282 | { // non inverting movement of servo |
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283 | ServoNickValue -= (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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284 | } |
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285 | // limit servo value to its parameter range definition |
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286 | if(ServoNickValue < ((int16_t)EE_Parameter.ServoNickMin * MULTIPLYER) ) |
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287 | { |
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288 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMin * MULTIPLYER; |
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289 | } |
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290 | else |
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291 | if(ServoNickValue > ((int16_t)EE_Parameter.ServoNickMax * MULTIPLYER) ) |
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292 | { |
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293 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMax * MULTIPLYER; |
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294 | } |
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295 | |||
296 | RemainingPulse += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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297 | |||
298 | ServoNickValue /= MULTIPLYER; |
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299 | |||
300 | // range servo pulse width |
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301 | if(RemainingPulse > MAXSERVOPULSE ) RemainingPulse = MAXSERVOPULSE; // upper servo pulse limit |
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302 | else if(RemainingPulse < MINSERVOPULSE ) RemainingPulse = MINSERVOPULSE; // lower servo pulse limit |
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303 | // accumulate time for correct update rate |
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304 | ServoFrameTime = RemainingPulse; |
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305 | } |
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306 | else // we had a high pulse |
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307 | { |
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308 | TCCR2A |= (1<<COM2A0); // make a low pulse |
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309 | RemainingPulse = PPM_FRAMELEN - ServoFrameTime; |
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310 | } |
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311 | // set pulse output active |
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312 | PulseOutput = 1; |
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313 | } |
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314 | } // EOF Nick servo state machine |
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315 | else |
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316 | { |
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317 | //----------------------------------------------------- |
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318 | // PPM state machine, onboard demultiplexed by HEF4017 |
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319 | //----------------------------------------------------- |
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320 | if(!PulseOutput) // pulse output complete |
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321 | { |
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322 | if(TCCR2A & (1<<COM2A0)) // we had a low pulse |
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323 | { |
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324 | TCCR2A &= ~(1<<COM2A0);// make a high pulse |
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325 | |||
326 | if(ServoIndex == 0) // if we are at the sync gap |
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327 | { |
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328 | RemainingPulse = PPM_FRAMELEN - ServoFrameTime; // generate sync gap by filling time to full frame time |
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329 | ServoFrameTime = 0; // reset servo frame time |
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330 | HEF4017R_ON; // enable HEF4017 reset |
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331 | } |
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332 | else // servo channels |
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333 | { |
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334 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; // center position ~ 1.5ms |
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335 | switch(ServoIndex) // map servo channels |
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336 | { |
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337 | case 1: // Nick Compensation Servo |
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338 | ServoNickOffset = (ServoNickOffset * 3 + (int16_t)Parameter_ServoNickControl * MULTIPLYER) / 4; // lowpass offset |
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339 | ServoNickValue = ServoNickOffset; // offset (Range from 0 to 255 * 3 = 765) |
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1232 | hbuss | 340 | if(EE_Parameter.ServoCompInvert & 0x01) |
1156 | hbuss | 341 | { // inverting movement of servo |
342 | ServoNickValue += (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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343 | } |
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344 | else |
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345 | { // non inverting movement of servo |
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346 | ServoNickValue -= (int16_t)( ( (int32_t)EE_Parameter.ServoNickComp * MULTIPLYER * (IntegralNick / 128L ) ) / (256L) ); |
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347 | } |
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348 | // limit servo value to its parameter range definition |
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349 | if(ServoNickValue < ((int16_t)EE_Parameter.ServoNickMin * MULTIPLYER) ) |
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350 | { |
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351 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMin * MULTIPLYER; |
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352 | } |
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353 | else |
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354 | if(ServoNickValue > ((int16_t)EE_Parameter.ServoNickMax * MULTIPLYER) ) |
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355 | { |
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356 | ServoNickValue = (int16_t)EE_Parameter.ServoNickMax * MULTIPLYER; |
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357 | } |
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358 | RemainingPulse += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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359 | ServoNickValue /= MULTIPLYER; |
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360 | break; |
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1504 | kneet | 361 | case 2: // Roll Compensation Servo |
1232 | hbuss | 362 | ServoRollOffset = (ServoRollOffset * 3 + (int16_t) Parameter_ServoRollControl * MULTIPLYER) / 4; // lowpass offset |
1224 | hbuss | 363 | ServoRollValue = ServoRollOffset; // offset (Range from 0 to 255 * 3 = 765) |
1232 | hbuss | 364 | if(EE_Parameter.ServoCompInvert & 0x02) |
1224 | hbuss | 365 | { // inverting movement of servo |
1232 | hbuss | 366 | ServoRollValue += (int16_t)( ( (int32_t) EE_Parameter.ServoRollComp * MULTIPLYER * (IntegralRoll / 128L ) ) / (256L) ); |
1224 | hbuss | 367 | } |
368 | else |
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369 | { // non inverting movement of servo |
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1232 | hbuss | 370 | ServoRollValue -= (int16_t)( ( (int32_t) EE_Parameter.ServoRollComp * MULTIPLYER * (IntegralRoll / 128L ) ) / (256L) ); |
1224 | hbuss | 371 | } |
1232 | hbuss | 372 | // limit servo value to its parameter range definition |
1224 | hbuss | 373 | if(ServoRollValue < ((int16_t)EE_Parameter.ServoRollMin * MULTIPLYER) ) |
374 | { |
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375 | ServoRollValue = (int16_t)EE_Parameter.ServoRollMin * MULTIPLYER; |
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376 | } |
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377 | else |
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378 | if(ServoRollValue > ((int16_t)EE_Parameter.ServoRollMax * MULTIPLYER) ) |
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379 | { |
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380 | ServoRollValue = (int16_t)EE_Parameter.ServoRollMax * MULTIPLYER; |
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381 | } |
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382 | RemainingPulse += ServoRollValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
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383 | ServoRollValue /= MULTIPLYER; |
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384 | //DebugOut.Analog[20] = ServoRollValue; |
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1232 | hbuss | 385 | break; |
1504 | kneet | 386 | case 3: // Arthur P: Shutter Servo including interval control over parameter 5 and 6. |
387 | // 091114 Inserted same modification into v.0.76g code, removing previously REM-ed out modified parts. |
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388 | |||
389 | if(PPM_in[EE_Parameter.Kanalbelegung[K_POTI3]] < -32) |
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390 | { |
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391 | // Set servo to null position, turning camera off. |
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392 | RemainingPulse = MINSERVOPULSE; |
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393 | } |
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394 | else |
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395 | { |
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396 | RemainingPulse = MINSERVOPULSE + SERVORANGE/2; |
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397 | } |
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398 | break; |
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1224 | hbuss | 399 | |
1504 | kneet | 400 | // 090807 Arthur P: Removed the output of the remaining channels as this just eats time and probably |
401 | // does not have much of a function. Better to add specific outputs as needed. |
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402 | // default: // other servo channels |
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403 | // RemainingPulse += 2 * PPM_in[ServoIndex]; // add channel value, factor of 2 because timer 1 increments 3.2µs |
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404 | // break; |
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1156 | hbuss | 405 | } |
1504 | kneet | 406 | |
1156 | hbuss | 407 | // range servo pulse width |
408 | if(RemainingPulse > MAXSERVOPULSE ) RemainingPulse = MAXSERVOPULSE; // upper servo pulse limit |
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409 | else if(RemainingPulse < MINSERVOPULSE ) RemainingPulse = MINSERVOPULSE; // lower servo pulse limit |
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410 | // substract stop pulse width |
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411 | RemainingPulse -= PPM_STOPPULSE; |
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412 | // accumulate time for correct sync gap |
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413 | ServoFrameTime += RemainingPulse; |
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414 | } |
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415 | } |
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416 | else // we had a high pulse |
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417 | { |
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418 | TCCR2A |= (1<<COM2A0); // make a low pulse |
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419 | // set pulsewidth to stop pulse width |
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420 | RemainingPulse = PPM_STOPPULSE; |
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421 | // accumulate time for correct sync gap |
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422 | ServoFrameTime += RemainingPulse; |
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1171 | hbuss | 423 | if(ServoActive && SenderOkay > 180) HEF4017R_OFF; // disable HEF4017 reset |
1232 | hbuss | 424 | else HEF4017R_ON; |
1156 | hbuss | 425 | ServoIndex++; // change to next servo channel |
426 | if(ServoIndex > EE_Parameter.ServoNickRefresh) ServoIndex = 0; // reset to the sync gap |
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427 | } |
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428 | // set pulse output active |
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429 | PulseOutput = 1; |
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430 | } |
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431 | } // EOF PPM state machine |
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432 | |||
433 | // General pulse output generator |
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434 | if(RemainingPulse > (255 + IRS_RUNTIME)) |
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435 | { |
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436 | OCR2A = 255; |
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437 | RemainingPulse -= 255; |
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910 | hbuss | 438 | } |
1156 | hbuss | 439 | else |
440 | { |
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441 | if(RemainingPulse > 255) // this is the 2nd last part |
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442 | { |
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443 | if((RemainingPulse - 255) < IRS_RUNTIME) |
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444 | { |
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445 | OCR2A = 255 - IRS_RUNTIME; |
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446 | RemainingPulse -= 255 - IRS_RUNTIME; |
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447 | |||
448 | } |
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449 | else // last part > ISR_RUNTIME |
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450 | { |
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451 | OCR2A = 255; |
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452 | RemainingPulse -= 255; |
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453 | } |
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454 | } |
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455 | else // this is the last part |
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456 | { |
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457 | OCR2A = RemainingPulse; |
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458 | RemainingPulse = 0; |
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459 | PulseOutput = 0; // trigger to stop pulse |
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460 | } |
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461 | } // EOF general pulse output generator |
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1111 | hbuss | 462 | } |