Rev 979 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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838 | MikeW | 1 | #include "main.h" |
1042 | MikeW | 2 | #include "FlightControl.h" |
3 | |||
838 | MikeW | 4 | volatile unsigned long cnt_ms = 0; |
5 | volatile unsigned int CountMilliseconds = 0; |
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6 | volatile unsigned int Count8Khz = 0; |
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7 | |||
8 | volatile static unsigned int tim_main; |
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9 | volatile unsigned char UpdateMotor = 0; |
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10 | volatile unsigned int cntKompass = 0; |
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11 | volatile unsigned int beeptime = 0; |
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12 | unsigned int BeepMuster = 0xffff; |
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13 | int ServoValue = 0; |
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14 | extern void MM3_Update(void); |
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966 | MikeW | 15 | |
838 | MikeW | 16 | enum { |
17 | STOP = 0, |
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966 | MikeW | 18 | CK = 1, |
19 | CK8 = 2, |
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20 | CK64 = 3, |
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21 | CK256 = 4, |
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22 | CK1024 = 5, |
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23 | T0_FALLING_EDGE = 6, |
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24 | T0_RISING_EDGE = 7 |
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838 | MikeW | 25 | }; |
26 | |||
27 | |||
28 | SIGNAL (SIG_OVERFLOW0) // 8kHz |
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29 | { |
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966 | MikeW | 30 | static unsigned char cnt_1ms = 1,cnt = 0; |
31 | unsigned char pieper_ein = 0; |
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32 | |||
33 | Count8Khz++; |
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34 | |||
35 | if(!cnt--) |
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36 | { |
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37 | cnt = 9; |
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38 | cnt_1ms++; |
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39 | cnt_1ms %= 2; |
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40 | if(!cnt_1ms) |
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838 | MikeW | 41 | { |
966 | MikeW | 42 | UpdateMotor = 1; |
43 | } |
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44 | CountMilliseconds++; |
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45 | cnt_ms++; |
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46 | // update compass value if this option is enabled in the settings |
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979 | MikeW | 47 | #ifdef USE_COMPASS |
966 | MikeW | 48 | MM3_Update(); // read out mm3 board |
979 | MikeW | 49 | #endif |
966 | MikeW | 50 | } |
51 | |||
52 | if(beeptime > 1) |
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53 | { |
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54 | beeptime--; |
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55 | if(beeptime & BeepMuster) |
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838 | MikeW | 56 | { |
966 | MikeW | 57 | pieper_ein = 1; |
838 | MikeW | 58 | } |
966 | MikeW | 59 | else pieper_ein = 0; |
60 | } |
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61 | else |
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62 | { |
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63 | pieper_ein = 0; |
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64 | BeepMuster = 0xffff; |
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65 | } |
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66 | |||
67 | if(pieper_ein) |
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68 | { |
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69 | PORTC |= (1<<7); // Speaker an PORTC.7 |
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70 | } |
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71 | else |
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72 | { |
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73 | PORTC &= ~(1<<7); |
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74 | } |
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75 | |||
76 | #if 0 |
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77 | if(PINC & 0x10) |
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78 | { |
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79 | cntKompass++; |
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80 | } |
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81 | else |
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82 | { |
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83 | if((cntKompass) && (cntKompass < 4000)) |
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84 | { |
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85 | if(cntKompass < 10) |
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86 | { |
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87 | cntKompass = 10; |
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88 | } |
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89 | KompassValue = (((int) cntKompass-10) * 36) / 35; |
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838 | MikeW | 90 | } |
966 | MikeW | 91 | cntKompass = 0; |
92 | } |
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838 | MikeW | 93 | #endif |
94 | } |
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95 | |||
96 | |||
97 | void Timer_Init(void) |
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98 | { |
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966 | MikeW | 99 | tim_main = SetDelay(10); |
100 | TCCR0B = CK8; |
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101 | TCCR0A = (1<<COM0A1)|(1<<COM0B1)|3;//fast PWM |
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102 | OCR0A = 0; |
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103 | OCR0B = 120; |
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104 | TCNT0 = (unsigned char)-TIMER_RELOAD_VALUE; // reload |
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105 | |||
106 | TCCR2A=(1<<COM2A1)|(1<<COM2A0)|3; |
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107 | TCCR2B=(0<<CS20)|(1<<CS21)|(1<<CS22); |
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108 | TIMSK2 |= _BV(OCIE2A); |
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109 | |||
110 | TIMSK0 |= _BV(TOIE0); |
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111 | OCR2A = 10; |
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112 | TCNT2 = 0; |
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838 | MikeW | 113 | } |
114 | |||
115 | // ----------------------------------------------------------------------- |
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116 | |||
117 | unsigned int SetDelay (unsigned int t) |
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118 | { |
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966 | MikeW | 119 | // TIMSK0 &= ~_BV(TOIE0); |
838 | MikeW | 120 | return(CountMilliseconds + t + 1); |
966 | MikeW | 121 | // TIMSK0 |= _BV(TOIE0); |
838 | MikeW | 122 | } |
123 | |||
124 | // ----------------------------------------------------------------------- |
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125 | char CheckDelay(unsigned int t) |
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126 | { |
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966 | MikeW | 127 | // TIMSK0 &= ~_BV(TOIE0); |
838 | MikeW | 128 | return(((t - CountMilliseconds) & 0x8000) >> 9); |
966 | MikeW | 129 | // TIMSK0 |= _BV(TOIE0); |
838 | MikeW | 130 | } |
131 | |||
132 | // ----------------------------------------------------------------------- |
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133 | void Delay_ms(unsigned int w) |
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134 | { |
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966 | MikeW | 135 | unsigned int akt; |
136 | akt = SetDelay(w); |
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137 | while (!CheckDelay(akt)); |
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838 | MikeW | 138 | } |
139 | |||
140 | void Delay_ms_Mess(unsigned int w) |
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141 | { |
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966 | MikeW | 142 | unsigned int akt; |
143 | akt = SetDelay(w); |
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144 | while (!CheckDelay(akt)) ANALOG_ON; |
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838 | MikeW | 145 | } |
146 | |||
147 | // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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148 | // Servo ansteuern |
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149 | // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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150 | SIGNAL(SIG_OUTPUT_COMPARE2A) |
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151 | { |
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152 | static unsigned char timer = 10; |
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153 | if(!timer--) |
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966 | MikeW | 154 | { |
979 | MikeW | 155 | |
156 | TCCR2A=(1<<COM2A1)|(0<<COM2A0)|3; |
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157 | if(ServoValue < EE_Parameter.ServoNickMin) |
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158 | { |
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159 | ServoValue = EE_Parameter.ServoNickMin; |
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160 | } |
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161 | if(ServoValue > EE_Parameter.ServoNickMax) |
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162 | { |
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163 | ServoValue = EE_Parameter.ServoNickMax; |
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164 | } |
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966 | MikeW | 165 | |
979 | MikeW | 166 | OCR2A = ServoValue; |
966 | MikeW | 167 | timer = EE_Parameter.ServoNickRefresh; |
168 | } |
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169 | else |
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170 | { |
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171 | TCCR2A =3; |
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172 | PORTD&=~0x80; |
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979 | MikeW | 173 | } |
838 | MikeW | 174 | } |