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Dependencies: mbed
main.cpp@18:6986eb7282ee, 2019-06-07 (annotated)
- Committer:
- Mecaru
- Date:
- Fri Jun 07 01:12:00 2019 +0000
- Revision:
- 18:6986eb7282ee
- Parent:
- 15:f8c5007343f9
version 07/06 03:11
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| SolalNathan | 0:5d6051eeabfe | 1 | #include "mbed.h" |
| SolalNathan | 2:b2ce001ff8f5 | 2 | #include <math.h> |
| SolalNathan | 2:b2ce001ff8f5 | 3 | |
| SolalNathan | 2:b2ce001ff8f5 | 4 | // Définition des ports séries |
| Mecaru | 13:bed77b03701d | 5 | //Serial pc(USBTX, USBRX, 115200); |
| Mecaru | 13:bed77b03701d | 6 | Serial pc(PC_10, PC_11, 115200); |
| SolalNathan | 2:b2ce001ff8f5 | 7 | Serial lidar(PC_6, PC_7, 115200); |
| SolalNathan | 2:b2ce001ff8f5 | 8 | |
| SolalNathan | 2:b2ce001ff8f5 | 9 | // Définition des variables globales |
| Mecaru | 12:594a1b936f4b | 10 | float tableau_distance0[360] = {}; |
| Mecaru | 12:594a1b936f4b | 11 | float tableau_distance1[360] = {}; |
| Mecaru | 12:594a1b936f4b | 12 | uint8_t tableau_en_cours = 0; //tableau en cours de remplissage |
| Mecaru | 12:594a1b936f4b | 13 | uint8_t flag_fin_tour_lidar=0; |
| SolalNathan | 2:b2ce001ff8f5 | 14 | int compteur_tours_lidar = 0; |
| Mecaru | 6:83dafe088914 | 15 | int affiche_lidar = 0; |
| Mecaru | 11:e227edfced99 | 16 | bool run = false; |
| Mecaru | 18:6986eb7282ee | 17 | Timer T; |
| Mecaru | 18:6986eb7282ee | 18 | bool first_update = false; |
| Mecaru | 18:6986eb7282ee | 19 | |
| SolalNathan | 2:b2ce001ff8f5 | 20 | |
| SolalNathan | 2:b2ce001ff8f5 | 21 | // Défintion des pwm |
| SolalNathan | 2:b2ce001ff8f5 | 22 | PwmOut pwm_lidar(PB_15); // pwm du Lidar |
| SolalNathan | 2:b2ce001ff8f5 | 23 | PwmOut pwm_moteur(PE_6); // pwm de la propulsion |
| SolalNathan | 2:b2ce001ff8f5 | 24 | PwmOut pwm_direction(PE_5); // pwm de la direction |
| SolalNathan | 2:b2ce001ff8f5 | 25 | |
| SolalNathan | 2:b2ce001ff8f5 | 26 | void interrupt_lidar_rx(void); |
| SolalNathan | 0:5d6051eeabfe | 27 | |
| Mecaru | 18:6986eb7282ee | 28 | void interrupt_bt_rx(void); |
| Mecaru | 18:6986eb7282ee | 29 | |
| Mecaru | 4:60e7e1c1d1d8 | 30 | |
| SolalNathan | 2:b2ce001ff8f5 | 31 | float distance(float x_1, float x_2, float y_1, float y_2) |
| SolalNathan | 2:b2ce001ff8f5 | 32 | { |
| SolalNathan | 2:b2ce001ff8f5 | 33 | // Fonction qui renvoie la distance entre deux points (norme 2) |
| Mecaru | 12:594a1b936f4b | 34 | float norm2; |
| SolalNathan | 2:b2ce001ff8f5 | 35 | norm2 = sqrt((x_1 - x_2)*(x_1 - x_2) + (y_1 - y_2)*(y_1 - y_2)); |
| SolalNathan | 2:b2ce001ff8f5 | 36 | return norm2; |
| SolalNathan | 2:b2ce001ff8f5 | 37 | } |
| Mecaru | 12:594a1b936f4b | 38 | |
| Mecaru | 12:594a1b936f4b | 39 | void update_direction(float* list_lidar_var, float* vecteur) |
| SolalNathan | 2:b2ce001ff8f5 | 40 | { |
| Mecaru | 18:6986eb7282ee | 41 | float t = 0; |
| Mecaru | 18:6986eb7282ee | 42 | //pc.printf("Update commence\n\r"); |
| Mecaru | 18:6986eb7282ee | 43 | if (first_update==true) { |
| Mecaru | 18:6986eb7282ee | 44 | //T.start(); |
| Mecaru | 18:6986eb7282ee | 45 | first_update=false; |
| Mecaru | 18:6986eb7282ee | 46 | } else { |
| Mecaru | 18:6986eb7282ee | 47 | t = T.read(); |
| Mecaru | 18:6986eb7282ee | 48 | //pc.printf("%f\n\r",t); |
| Mecaru | 18:6986eb7282ee | 49 | if(t>1) { |
| Mecaru | 18:6986eb7282ee | 50 | pc.printf("Premier update depuis %f secondes\n\r",t); |
| Mecaru | 18:6986eb7282ee | 51 | } |
| Mecaru | 18:6986eb7282ee | 52 | //T.reset(); |
| Mecaru | 18:6986eb7282ee | 53 | } |
| SolalNathan | 2:b2ce001ff8f5 | 54 | // Fonction de mise à jour de la direction |
| SolalNathan | 2:b2ce001ff8f5 | 55 | float direction[2]; |
| Mecaru | 12:594a1b936f4b | 56 | int i; |
| Mecaru | 12:594a1b936f4b | 57 | float list_lidar[360]; |
| Mecaru | 12:594a1b936f4b | 58 | uint8_t liste_fictifs[360]; |
| Mecaru | 12:594a1b936f4b | 59 | for(i=0; i<360; i++) list_lidar[i]=list_lidar_var[i]; |
| Mecaru | 12:594a1b936f4b | 60 | |
| Mecaru | 13:bed77b03701d | 61 | //pour les essais |
| Mecaru | 13:bed77b03701d | 62 | //for(i=0; i<360; i++) |
| Mecaru | 13:bed77b03701d | 63 | // list_lidar[i]=00; |
| Mecaru | 13:bed77b03701d | 64 | |
| Mecaru | 13:bed77b03701d | 65 | //list_lidar[0]=100; |
| Mecaru | 13:bed77b03701d | 66 | //list_lidar[90]=20.0; |
| Mecaru | 13:bed77b03701d | 67 | //list_lidar[270]=100.0; |
| Mecaru | 13:bed77b03701d | 68 | //list_lidar[45]=20.0; |
| Mecaru | 13:bed77b03701d | 69 | //list_lidar[315]=100; |
| Mecaru | 13:bed77b03701d | 70 | /////////////////// |
| Mecaru | 13:bed77b03701d | 71 | |
| Mecaru | 12:594a1b936f4b | 72 | |
| Mecaru | 12:594a1b936f4b | 73 | direction[0] = 1; |
| Mecaru | 12:594a1b936f4b | 74 | direction[1] = 0; |
| SolalNathan | 2:b2ce001ff8f5 | 75 | float avg_x, avg_y, sum_inv_dist; |
| Mecaru | 9:a15fc52284ff | 76 | //list_lidar[180] = 50; // [mm], point fictif qui pousse la voiture |
| Mecaru | 10:c8d93dc5993c | 77 | //Définition des points fictifs poussant la voiture |
| Mecaru | 12:594a1b936f4b | 78 | |
| Mecaru | 12:594a1b936f4b | 79 | for (i=0; i<360; i++) { |
| Mecaru | 9:a15fc52284ff | 80 | liste_fictifs[i] = 0; |
| Mecaru | 12:594a1b936f4b | 81 | } |
| Mecaru | 18:6986eb7282ee | 82 | for (i=90; i<=270; i++) { |
| Mecaru | 18:6986eb7282ee | 83 | //for (int i=0; i<180; i++){ //test |
| Mecaru | 18:6986eb7282ee | 84 | liste_fictifs[i] = 1; |
| Mecaru | 18:6986eb7282ee | 85 | } |
| Mecaru | 15:f8c5007343f9 | 86 | //liste_fictifs[180] = 1; |
| Mecaru | 11:e227edfced99 | 87 | |
| SolalNathan | 2:b2ce001ff8f5 | 88 | avg_x = 0; |
| SolalNathan | 2:b2ce001ff8f5 | 89 | avg_y = 0; |
| Mecaru | 12:594a1b936f4b | 90 | |
| SolalNathan | 2:b2ce001ff8f5 | 91 | // Calcul de la direction à prende en fonction des charges fictives |
| Mecaru | 12:594a1b936f4b | 92 | for (i=0; i<360; i++) { |
| SolalNathan | 2:b2ce001ff8f5 | 93 | int theta; |
| SolalNathan | 2:b2ce001ff8f5 | 94 | float r, x, y; |
| SolalNathan | 2:b2ce001ff8f5 | 95 | theta = i; |
| Mecaru | 12:594a1b936f4b | 96 | if (liste_fictifs[theta] == 1) { |
| Mecaru | 15:f8c5007343f9 | 97 | r = 500; |
| Mecaru | 12:594a1b936f4b | 98 | } else { |
| Mecaru | 10:c8d93dc5993c | 99 | //r = 0; //test |
| Mecaru | 12:594a1b936f4b | 100 | if(theta != 0) r = list_lidar[360-theta]; |
| Mecaru | 12:594a1b936f4b | 101 | else r = list_lidar[0]; |
| Mecaru | 12:594a1b936f4b | 102 | |
| Mecaru | 18:6986eb7282ee | 103 | } |
| Mecaru | 12:594a1b936f4b | 104 | |
| Mecaru | 12:594a1b936f4b | 105 | if (r != 0) { |
| Mecaru | 12:594a1b936f4b | 106 | |
| Mecaru | 12:594a1b936f4b | 107 | //x = 0; |
| Mecaru | 12:594a1b936f4b | 108 | //y = 0; |
| Mecaru | 12:594a1b936f4b | 109 | x = r*cosf((float)theta*3.14/180); |
| Mecaru | 12:594a1b936f4b | 110 | y = r*sinf((float)theta*3.14/180); |
| Mecaru | 12:594a1b936f4b | 111 | //sum_inv_dist += 1/pow(r, 2); |
| Mecaru | 12:594a1b936f4b | 112 | //avg_x -= x/pow(r,2); |
| Mecaru | 12:594a1b936f4b | 113 | //avg_y -= y/pow(r,2); |
| Mecaru | 15:f8c5007343f9 | 114 | float puissance = 0.5*cosf(2*theta*3.14/180) + 1.5; |
| Mecaru | 12:594a1b936f4b | 115 | avg_x = avg_x - x/pow(r,puissance); |
| Mecaru | 12:594a1b936f4b | 116 | avg_y = avg_y - y/pow(r,puissance); |
| Mecaru | 12:594a1b936f4b | 117 | |
| Mecaru | 12:594a1b936f4b | 118 | //pc.printf("Angle:%i r:%4.2f x:%4.2f y:%4.2f %4.2f %4.2f\n\r", theta, r, x,y, avg_x,avg_y); |
| SolalNathan | 2:b2ce001ff8f5 | 119 | } |
| Mecaru | 12:594a1b936f4b | 120 | } |
| Mecaru | 12:594a1b936f4b | 121 | |
| Mecaru | 8:2ce9493549e8 | 122 | //avg_x /= sum_inv_dist; |
| Mecaru | 8:2ce9493549e8 | 123 | //avg_y /= sum_inv_dist; |
| SolalNathan | 2:b2ce001ff8f5 | 124 | direction[0] = avg_x; |
| SolalNathan | 2:b2ce001ff8f5 | 125 | direction[1] = avg_y; |
| Mecaru | 18:6986eb7282ee | 126 | //pc.printf("Update termine\n\r"); |
| SolalNathan | 2:b2ce001ff8f5 | 127 | // mise à jour de la direction |
| SolalNathan | 2:b2ce001ff8f5 | 128 | for(i=0; i<2; i++) |
| SolalNathan | 2:b2ce001ff8f5 | 129 | vecteur[i] = direction[i]; |
| Mecaru | 11:e227edfced99 | 130 | |
| SolalNathan | 2:b2ce001ff8f5 | 131 | } |
| Mecaru | 12:594a1b936f4b | 132 | |
| SolalNathan | 2:b2ce001ff8f5 | 133 | float angle_servo(float *direction) |
| SolalNathan | 2:b2ce001ff8f5 | 134 | { |
| SolalNathan | 2:b2ce001ff8f5 | 135 | // Calcul basé sur la régression expérimental pour obetenir l'angle |
| SolalNathan | 2:b2ce001ff8f5 | 136 | // le pwm à donner au moteur en fonction de l'angle voulue |
| Mecaru | 12:594a1b936f4b | 137 | |
| SolalNathan | 2:b2ce001ff8f5 | 138 | float angle; |
| SolalNathan | 2:b2ce001ff8f5 | 139 | double pwm; |
| SolalNathan | 2:b2ce001ff8f5 | 140 | float x, y; |
| SolalNathan | 2:b2ce001ff8f5 | 141 | x = direction[0]; |
| SolalNathan | 2:b2ce001ff8f5 | 142 | y = direction[1]; |
| Mecaru | 15:f8c5007343f9 | 143 | //x = 1; |
| Mecaru | 15:f8c5007343f9 | 144 | //y = 1; |
| Mecaru | 15:f8c5007343f9 | 145 | angle = atan2(y,x); |
| Mecaru | 15:f8c5007343f9 | 146 | angle = angle*180/3.14; |
| Mecaru | 18:6986eb7282ee | 147 | //pc.printf("Angle : %f\n\r",angle); |
| Mecaru | 15:f8c5007343f9 | 148 | //pwm = 14.662756 * angle + 1453.08; // à refaire |
| Mecaru | 15:f8c5007343f9 | 149 | pwm = -13.30 * angle + 1376.75; |
| Mecaru | 12:594a1b936f4b | 150 | |
| Mecaru | 6:83dafe088914 | 151 | //if (pwm < 1115) printf("trop petit\n\r"); |
| Mecaru | 6:83dafe088914 | 152 | //if (pwm > 1625) printf("trop grand\n\r"); |
| Mecaru | 9:a15fc52284ff | 153 | //if (angle > 5*3.14/180){ |
| Mecaru | 9:a15fc52284ff | 154 | // pwm = 1745; |
| Mecaru | 9:a15fc52284ff | 155 | //} |
| Mecaru | 9:a15fc52284ff | 156 | //else{ |
| Mecaru | 9:a15fc52284ff | 157 | // if (angle < -5*3.14/180){ |
| Mecaru | 9:a15fc52284ff | 158 | // pwm = 1080; |
| Mecaru | 9:a15fc52284ff | 159 | // } |
| Mecaru | 9:a15fc52284ff | 160 | // else{ |
| Mecaru | 9:a15fc52284ff | 161 | // pwm = 1453; |
| Mecaru | 9:a15fc52284ff | 162 | // } |
| Mecaru | 9:a15fc52284ff | 163 | //} |
| Mecaru | 12:594a1b936f4b | 164 | |
| SolalNathan | 2:b2ce001ff8f5 | 165 | return pwm; |
| SolalNathan | 2:b2ce001ff8f5 | 166 | } |
| SolalNathan | 0:5d6051eeabfe | 167 | |
| Mecaru | 12:594a1b936f4b | 168 | void afficher_lidar(float *tableau_distances_var) |
| Mecaru | 4:60e7e1c1d1d8 | 169 | { |
| Mecaru | 4:60e7e1c1d1d8 | 170 | //Affiche les données du lidar dans la liaison série |
| Mecaru | 4:60e7e1c1d1d8 | 171 | int angle; |
| Mecaru | 12:594a1b936f4b | 172 | float tableau_distances[360]; |
| Mecaru | 12:594a1b936f4b | 173 | for(angle=0; angle<360; angle++) tableau_distances[angle]=tableau_distances_var[angle]; |
| Mecaru | 12:594a1b936f4b | 174 | |
| Mecaru | 12:594a1b936f4b | 175 | for(angle=0; angle<360; angle++) { |
| Mecaru | 7:dc7e66870bd0 | 176 | float distance = tableau_distances[angle]; |
| Mecaru | 7:dc7e66870bd0 | 177 | pc.printf("%i,%f\n\r",angle,distance); |
| Mecaru | 12:594a1b936f4b | 178 | } |
| Mecaru | 4:60e7e1c1d1d8 | 179 | } |
| Mecaru | 4:60e7e1c1d1d8 | 180 | |
| Mecaru | 12:594a1b936f4b | 181 | int main() |
| Mecaru | 12:594a1b936f4b | 182 | { |
| Mecaru | 12:594a1b936f4b | 183 | |
| SolalNathan | 2:b2ce001ff8f5 | 184 | pc.printf("\r-------------------------\n\r"); |
| Mecaru | 12:594a1b936f4b | 185 | |
| SolalNathan | 2:b2ce001ff8f5 | 186 | float dir[2]; // direction |
| SolalNathan | 2:b2ce001ff8f5 | 187 | float pwm_direction_value; |
| Mecaru | 18:6986eb7282ee | 188 | int pwm_mot_value = 1480; |
| Mecaru | 12:594a1b936f4b | 189 | |
| Mecaru | 12:594a1b936f4b | 190 | |
| SolalNathan | 2:b2ce001ff8f5 | 191 | int i; |
| Mecaru | 12:594a1b936f4b | 192 | |
| Mecaru | 7:dc7e66870bd0 | 193 | |
| Mecaru | 7:dc7e66870bd0 | 194 | |
| Mecaru | 7:dc7e66870bd0 | 195 | |
| SolalNathan | 2:b2ce001ff8f5 | 196 | // pwm du LIDAR |
| SolalNathan | 2:b2ce001ff8f5 | 197 | pwm_lidar.period_us(40); |
| Mecaru | 5:32434b497a9b | 198 | pwm_lidar.pulsewidth_us(40); // vitesse fixe |
| Mecaru | 12:594a1b936f4b | 199 | |
| Mecaru | 11:e227edfced99 | 200 | //pwm moteur |
| SolalNathan | 0:5d6051eeabfe | 201 | pwm_moteur.period_ms(20); |
| Mecaru | 18:6986eb7282ee | 202 | pwm_moteur.pulsewidth_us(pwm_mot_value); |
| SolalNathan | 2:b2ce001ff8f5 | 203 | |
| SolalNathan | 2:b2ce001ff8f5 | 204 | // pwm de la direction |
| SolalNathan | 2:b2ce001ff8f5 | 205 | pwm_direction.period_ms(20); |
| Mecaru | 6:83dafe088914 | 206 | pwm_direction.pulsewidth_us(1480); // correspond à un vitesse faible |
| SolalNathan | 2:b2ce001ff8f5 | 207 | |
| SolalNathan | 2:b2ce001ff8f5 | 208 | // récupération du premier batch de données (7 bytes) du LIDAR |
| SolalNathan | 2:b2ce001ff8f5 | 209 | lidar.putc(0xA5); |
| SolalNathan | 2:b2ce001ff8f5 | 210 | lidar.putc(0x20); |
| Mecaru | 12:594a1b936f4b | 211 | for(i=0; i<7; i++) |
| SolalNathan | 2:b2ce001ff8f5 | 212 | lidar.getc(); |
| SolalNathan | 2:b2ce001ff8f5 | 213 | |
| SolalNathan | 2:b2ce001ff8f5 | 214 | pc.printf("FIN intit \n\r"); |
| SolalNathan | 2:b2ce001ff8f5 | 215 | |
| Mecaru | 12:594a1b936f4b | 216 | lidar.attach(&interrupt_lidar_rx, Serial::RxIrq); |
| Mecaru | 18:6986eb7282ee | 217 | pc.attach(&interrupt_bt_rx, Serial::RxIrq); |
| Mecaru | 12:594a1b936f4b | 218 | |
| Mecaru | 12:594a1b936f4b | 219 | while (1) { |
| Mecaru | 12:594a1b936f4b | 220 | //printf("pwm_moteur = %f, pwm_direction = %f", pwm_moteur, pwm_direction); |
| Mecaru | 18:6986eb7282ee | 221 | //Test |
| Mecaru | 18:6986eb7282ee | 222 | float t = T.read_us(); |
| Mecaru | 18:6986eb7282ee | 223 | pc.printf("%f\n\r",T.read_us()); |
| Mecaru | 18:6986eb7282ee | 224 | wait(2); |
| Mecaru | 13:bed77b03701d | 225 | if(0) { |
| Mecaru | 12:594a1b936f4b | 226 | if(tableau_en_cours == 0) |
| Mecaru | 12:594a1b936f4b | 227 | afficher_lidar(tableau_distance1); |
| Mecaru | 12:594a1b936f4b | 228 | else afficher_lidar(tableau_distance0); |
| Mecaru | 12:594a1b936f4b | 229 | |
| Mecaru | 12:594a1b936f4b | 230 | affiche_lidar = 0; |
| Mecaru | 11:e227edfced99 | 231 | } |
| Mecaru | 12:594a1b936f4b | 232 | |
| Mecaru | 12:594a1b936f4b | 233 | if(flag_fin_tour_lidar==1) { |
| Mecaru | 12:594a1b936f4b | 234 | flag_fin_tour_lidar=0; |
| Mecaru | 12:594a1b936f4b | 235 | if(tableau_en_cours == 0) |
| Mecaru | 12:594a1b936f4b | 236 | update_direction(tableau_distance1, dir); // mise à jour à la direction |
| Mecaru | 12:594a1b936f4b | 237 | else update_direction(tableau_distance0, dir); // mise à jour à la direction |
| Mecaru | 18:6986eb7282ee | 238 | //pc.printf("direction,%f,%f\n\r",dir[0],dir[1]); |
| Mecaru | 12:594a1b936f4b | 239 | pwm_direction_value = angle_servo(dir); // calcul du pwm |
| Mecaru | 12:594a1b936f4b | 240 | } |
| Mecaru | 12:594a1b936f4b | 241 | |
| Mecaru | 18:6986eb7282ee | 242 | if (run==false && pwm_mot_value != 1480) { |
| Mecaru | 18:6986eb7282ee | 243 | // vitesse nulle |
| Mecaru | 18:6986eb7282ee | 244 | pwm_mot_value = 1480; |
| Mecaru | 18:6986eb7282ee | 245 | pwm_moteur.pulsewidth_us(pwm_mot_value); |
| Mecaru | 18:6986eb7282ee | 246 | pc.printf("pwm_mot = %i\n\r",pwm_mot_value); |
| Mecaru | 18:6986eb7282ee | 247 | |
| Mecaru | 18:6986eb7282ee | 248 | } |
| Mecaru | 18:6986eb7282ee | 249 | if (run==true) { |
| Mecaru | 18:6986eb7282ee | 250 | if(pwm_mot_value != 1440) { |
| Mecaru | 18:6986eb7282ee | 251 | pwm_mot_value = 1440; |
| Mecaru | 18:6986eb7282ee | 252 | pwm_moteur.pulsewidth_us(pwm_mot_value); |
| Mecaru | 18:6986eb7282ee | 253 | pc.printf("pwm_mot = %i\n\r",pwm_mot_value); |
| Mecaru | 18:6986eb7282ee | 254 | } |
| Mecaru | 18:6986eb7282ee | 255 | |
| Mecaru | 18:6986eb7282ee | 256 | pwm_direction.pulsewidth_us(pwm_direction_value); // commande du pwm de la direction |
| Mecaru | 12:594a1b936f4b | 257 | } |
| Mecaru | 18:6986eb7282ee | 258 | } |
| Mecaru | 18:6986eb7282ee | 259 | } |
| Mecaru | 12:594a1b936f4b | 260 | |
| Mecaru | 18:6986eb7282ee | 261 | void interrupt_bt_rx(void) |
| Mecaru | 18:6986eb7282ee | 262 | { |
| Mecaru | 18:6986eb7282ee | 263 | char entree = pc.getc(); |
| Mecaru | 18:6986eb7282ee | 264 | pc.printf("%c\n\r",entree); |
| Mecaru | 18:6986eb7282ee | 265 | if (entree == 'a') { |
| Mecaru | 18:6986eb7282ee | 266 | run = true; |
| Mecaru | 18:6986eb7282ee | 267 | pc.printf("c'est parti Bruno !\n\r"); |
| Mecaru | 11:e227edfced99 | 268 | } |
| Mecaru | 18:6986eb7282ee | 269 | if (entree == 'z') { |
| Mecaru | 18:6986eb7282ee | 270 | run = false; |
| Mecaru | 18:6986eb7282ee | 271 | pc.printf("Hola, tout doux !\n\r"); |
| Mecaru | 18:6986eb7282ee | 272 | } |
| Mecaru | 18:6986eb7282ee | 273 | |
| Mecaru | 11:e227edfced99 | 274 | } |
| SolalNathan | 2:b2ce001ff8f5 | 275 | |
| SolalNathan | 2:b2ce001ff8f5 | 276 | void interrupt_lidar_rx(void) |
| Mecaru | 12:594a1b936f4b | 277 | { |
| SolalNathan | 2:b2ce001ff8f5 | 278 | |
| Mecaru | 5:32434b497a9b | 279 | int SEUIL = 0; // Seuil de qualité |
| Mecaru | 12:594a1b936f4b | 280 | |
| SolalNathan | 2:b2ce001ff8f5 | 281 | static uint8_t data[5],i=0; |
| SolalNathan | 2:b2ce001ff8f5 | 282 | uint16_t Quality; |
| SolalNathan | 2:b2ce001ff8f5 | 283 | uint16_t Angle; |
| SolalNathan | 2:b2ce001ff8f5 | 284 | uint16_t Distance; |
| SolalNathan | 2:b2ce001ff8f5 | 285 | uint16_t Angle_d; |
| Mecaru | 12:594a1b936f4b | 286 | static uint16_t Angle_d_old=0; |
| SolalNathan | 2:b2ce001ff8f5 | 287 | uint16_t Distance_d; |
| Mecaru | 6:83dafe088914 | 288 | affiche_lidar ++; |
| SolalNathan | 2:b2ce001ff8f5 | 289 | data[i] = lidar.getc(); |
| SolalNathan | 2:b2ce001ff8f5 | 290 | i++; |
| Mecaru | 12:594a1b936f4b | 291 | if(i==5) { |
| SolalNathan | 2:b2ce001ff8f5 | 292 | i=0; |
| SolalNathan | 2:b2ce001ff8f5 | 293 | Quality = data[0] & 0xFC; |
| SolalNathan | 2:b2ce001ff8f5 | 294 | Quality = Quality >> 2; |
| Mecaru | 12:594a1b936f4b | 295 | |
| SolalNathan | 2:b2ce001ff8f5 | 296 | Angle = data[1] & 0xFE; |
| SolalNathan | 2:b2ce001ff8f5 | 297 | Angle = (Angle>>1) | ((uint16_t)data[2] << 7); |
| Mecaru | 12:594a1b936f4b | 298 | |
| SolalNathan | 2:b2ce001ff8f5 | 299 | Distance = data[3]; |
| SolalNathan | 2:b2ce001ff8f5 | 300 | Distance = Distance | ((uint16_t)data[4] << 8); |
| Mecaru | 12:594a1b936f4b | 301 | |
| SolalNathan | 2:b2ce001ff8f5 | 302 | Angle_d = Angle/64; // in degree |
| SolalNathan | 2:b2ce001ff8f5 | 303 | Distance_d = Distance>>2; // in mm |
| SolalNathan | 2:b2ce001ff8f5 | 304 | |
| Mecaru | 12:594a1b936f4b | 305 | // On vérifie que l'on écrit pas en dehors du tableau |
| Mecaru | 8:2ce9493549e8 | 306 | //Angle_d = 360 - Angle_d; |
| SolalNathan | 2:b2ce001ff8f5 | 307 | if(Angle_d>359) Angle_d=359; |
| Mecaru | 12:594a1b936f4b | 308 | |
| Mecaru | 12:594a1b936f4b | 309 | if(Angle < (Angle_d_old - 180)) { |
| Mecaru | 12:594a1b936f4b | 310 | tableau_en_cours=1-tableau_en_cours; |
| Mecaru | 12:594a1b936f4b | 311 | flag_fin_tour_lidar=1; |
| Mecaru | 12:594a1b936f4b | 312 | } |
| Mecaru | 12:594a1b936f4b | 313 | |
| SolalNathan | 2:b2ce001ff8f5 | 314 | if (Quality < SEUIL) { |
| SolalNathan | 2:b2ce001ff8f5 | 315 | // Fiabilisation des données du LIDAR naïve |
| Mecaru | 12:594a1b936f4b | 316 | if(tableau_en_cours==0) |
| Mecaru | 12:594a1b936f4b | 317 | tableau_distance0[Angle_d] = tableau_distance0[Angle_d_old]; |
| Mecaru | 12:594a1b936f4b | 318 | else tableau_distance1[Angle_d] = tableau_distance1[Angle_d_old]; |
| Mecaru | 12:594a1b936f4b | 319 | } else if(tableau_en_cours==0) |
| Mecaru | 12:594a1b936f4b | 320 | tableau_distance0[Angle_d] = Distance_d; |
| Mecaru | 12:594a1b936f4b | 321 | else tableau_distance1[Angle_d] = Distance_d; |
| Mecaru | 12:594a1b936f4b | 322 | |
| Mecaru | 12:594a1b936f4b | 323 | Angle_d_old = Angle; |
| Mecaru | 7:dc7e66870bd0 | 324 | |
| Mecaru | 7:dc7e66870bd0 | 325 | //tableau_distance[Angle_d] = Distance_d; |
| SolalNathan | 2:b2ce001ff8f5 | 326 | } |
| SolalNathan | 2:b2ce001ff8f5 | 327 | } |