1 | #define F_CPU 3686400
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2 | #include <avr\io.h>
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3 | #include <stdlib.h>
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4 |
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5 | unsigned int static a=0;
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6 | unsigned char b=0; //Anzahl Schleifen
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7 | unsigned int c=1500; //Schleifendurchläufe
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8 | unsigned char speed=20;
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9 | unsigned char Dummy=0;
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10 | unsigned char x;
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11 | uint8_t pwm_phase=0;
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12 | uint8_t pwm_soll;
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13 | unsigned int start;
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14 |
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15 | #define gruen PORTA |= (1 << PA0);
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16 | #define rot PORTA |= (1 << PA1);
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17 | #define blau PORTD |= (1 << PD2);
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18 | #define gelb PORTD |= (1 << PD3);
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19 | #define alle_aus PORTA &= ~(1 << PA0),PORTA &= ~(1 << PA1),PORTD &= ~(1 << PD2),PORTD &= ~(1 << PD3)
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20 | #define gruen_aus PORTA &= ~(1 << PA0);
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21 | #define rot_aus PORTA &= ~(1 << PA1);
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22 | #define blau_aus PORTD &= ~(1 << PD2);
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23 | #define gelb_aus PORTD &= ~(1 << PD3);
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24 |
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25 | int rand(void);
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26 | void srand(unsigned int __seed);
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27 | main (void)
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28 | {
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29 | // Ausgänge definieren
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30 | DDRA |= ((1 << PA1) | (1 << PA0));
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31 | DDRD |= ((1 << PD2) | (1 << PD3) | (1 << PD5));
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32 |
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33 | ///////////////////////////////////////////
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34 | // Start LED´s
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35 | ///////////////////////////////////////////
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36 |
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37 | for (start=0; start<20000; start++)
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38 | {
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39 |
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40 | if (start==c)
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41 | gruen
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42 |
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43 | if (start==(c+c+c))
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44 | rot
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45 |
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46 | if (start==(c+c+c+c+c))
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47 | blau
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48 |
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49 | if (start==(c+c+c+c+c+c+c))
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50 | gelb
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51 |
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52 | if (start==(c+c+c+c+c+c+c+c+c))
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53 | {
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54 | alle_aus;
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55 | }
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56 | }
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57 |
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58 | ///////////////////////////////////////////
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59 | // Dauerschleife Hauptprogramm
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60 | ///////////////////////////////////////////
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61 |
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62 | while (1)
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63 | for (a=0; a<20000; a++)
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64 | {
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65 | if (b<10) {
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66 |
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67 | ///////////////////////////////////////////
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68 | // Led´s start Uhrzeigersinn
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69 | ///////////////////////////////////////////
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70 |
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71 | if (a==c)
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72 | {
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73 | rot
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74 | gruen_aus
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75 | }
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76 |
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77 | if (a==(c+c))
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78 | {
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79 | blau
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80 | rot_aus
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81 | }
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82 |
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83 | if (a==(c+c+c))
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84 | {
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85 | gelb
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86 | blau_aus
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87 | }
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88 |
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89 | if (a==(c+c+c+c))
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90 | {
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91 | gruen
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92 | gelb_aus
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93 | x++;
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94 | b++;
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95 | a=0;
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96 | }
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97 | }
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98 |
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99 | ///////////////////////////////////////////
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100 | // LED´s gegen den Uhrzeigersinn
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101 | ////////////////////////////////////////////
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102 | if (b>9) {
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103 |
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104 | ///////////////////////////////////////////
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105 | // Led´s start gegen Uhrzeigersinn
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106 | ///////////////////////////////////////////
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107 |
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108 | if (a==c)
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109 | {
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110 | gruen
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111 | rot_aus
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112 | }
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113 |
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114 |
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115 |
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116 | if (a==(c+c))
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117 | {
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118 | gelb
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119 | gruen_aus
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120 | }
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121 |
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122 | if (a==(c+c+c))
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123 | {
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124 | blau
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125 | gelb_aus
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126 | }
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127 |
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128 | if (a==(c+c+c+c))
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129 | {
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130 | rot
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131 | blau_aus
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132 | x++;
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133 | b++;
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134 | a=0;
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135 | }
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136 | }
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137 | ///////////////////////////////////////////
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138 | //Rücksetzten Schleife links/rechts
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139 | ///////////////////////////////////////////
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140 | if (b==20)
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141 | b=0;
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142 | ///////////////////////////////////////////
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143 | //Geschwindigkeit für PWM initialisieren
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144 | ///////////////////////////////////////////
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145 | if (x==1)
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146 | {
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147 | Dummy= rand()%6;
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148 | x=0;
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149 | }
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150 |
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151 | if (Dummy==1)
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152 | speed=25;
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153 |
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154 | if (Dummy==2)
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155 | speed=20;
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156 |
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157 | if (Dummy==3)
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158 | speed=30;
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159 |
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160 | if (Dummy==4)
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161 | speed=22;
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162 |
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163 | if (Dummy==5)
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164 | speed=21;
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165 |
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166 | if (Dummy==6)
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167 | speed=24;
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168 |
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169 | ///////////////////////////////////////////
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170 | // PWM
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171 | ///////////////////////////////////////////
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172 |
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173 | uint8_t pwm_soll = speed;
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174 | if( pwm_soll == pwm_phase )
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175 |
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176 | {
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177 | PORTD |= (1<<PD5); // active low LED aus
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178 | }
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179 | pwm_phase++;
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180 | if( pwm_phase == 30 )
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181 | {
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182 | pwm_phase = 0;
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183 | PORTD &= ~(1<<PD5); // active low LED an
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184 | }
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185 | }
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186 | }
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