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| 1 | +/* |
| 2 | + * * ATRAS | ADELANTE, Theta +|- |
| 3 | + * * IZQUIERDA | DERECHA, Phi +|- |
| 4 | + * */ |
| 5 | +#include <stdio.h> |
| 6 | +#include <stdlib.h> |
| 7 | +#include <unistd.h> |
| 8 | +#include <pthread.h> |
| 9 | +#include <math.h> |
| 10 | +#include "util/type.h" |
| 11 | +#include "util/util.h" |
| 12 | +#include "attitude/attitude.h" |
| 13 | +#include "motorboard/mot.h" |
| 14 | +#include "controller.h" |
| 15 | +#include "smdiff.h" |
| 16 | + |
| 17 | +int sleep(double s) |
| 18 | +{ |
| 19 | + double t0 = util_timestamp(); |
| 20 | + while( util_timestamp() - t0 < s); |
| 21 | + return 0; |
| 22 | +} |
| 23 | +int main(int argc, char *argv[]) |
| 24 | +{ |
| 25 | + att_struct att; |
| 26 | + double t0, dt, ta; |
| 27 | + float alt, th, ph, ps; // Valores de X |
| 28 | + float thp, php, psp; // Valores de Xp |
| 29 | + // Parametros del cuadricoptero |
| 30 | + float l = 0.13, Ixx = 24.1e-3, Iyy = 23.2e-3, Izz = 45.1e-2; |
| 31 | + float b = 0.0006646195542576290, d = b*9.72; |
| 32 | + float ginvth = Ixx/l, ginvph = Iyy/l, ginvps = Izz; |
| 33 | + |
| 34 | + float factor; |
| 35 | + int om1, om2, om3, om4; |
| 36 | + int ttotal; |
| 37 | + int rc,i; |
| 38 | + super_twisting st; |
| 39 | + PID pid; |
| 40 | + DiffOrdN filtroth, filtroph; |
| 41 | + float gains[] = {9.5, 8, 7.5, 5, 1.5, 1}; |
| 42 | + float N = 5; |
| 43 | + printf("Iniciando derivadores numericos...\n"); |
| 44 | + init_DiffOrdN(&filtroth, N, &gains[0]); |
| 45 | + init_DiffOrdN(&filtroph, N, &gains[0]); |
| 46 | + for( i = 0 ; i < N +1; i++){ |
| 47 | + printf("Th: Orden %d. Ganancia: %f. Integral: %f\n",i,filtroth.diffs[i].gain,filtroth.diffs[i].integral); |
| 48 | + printf("Ph: Orden %d. Ganancia: %f. Integral: %f\n",i,filtroph.diffs[i].gain,filtroph.diffs[i].integral); |
| 49 | + } |
| 50 | + printf(" Listo!\n"); |
| 51 | + printf("Iniciando el controlador..."); |
| 52 | + rc = init_controller(&st, &pid); |
| 53 | + if(rc) return rc; |
| 54 | + printf("Listo!\n"); |
| 55 | + if( argc < 3) |
| 56 | + { |
| 57 | + printf("Es necesario ingresar el tiempo de vuelo y el factor de multiplicacion\n"); |
| 58 | + return 0; |
| 59 | + } |
| 60 | + ttotal = atoi(argv[1]); // Tiempo total de vuelo |
| 61 | + factor = atoi(argv[2])/10.0; // Factor que para pruebas de vuelo |
| 62 | + printf("Prueba de vuelo de %d segundos\n", ttotal); |
| 63 | + printf("Iniciando lector de actitud..."); |
| 64 | + rc = att_Init(&att); |
| 65 | + if(rc) return rc; |
| 66 | + printf("Listo!\n"); |
| 67 | + |
| 68 | + printf("Iniciando la escritura en los motores..."); |
| 69 | + mot_Init(); |
| 70 | + printf(" Listo!\n"); |
| 71 | + printf("Encendiendo los motores..."); |
| 72 | + mot_Run(.01, .01, .01, .01); |
| 73 | + sleep(3.0); |
| 74 | + ta = t0 = util_timestamp(); |
| 75 | + pthread_yield(); |
| 76 | + printf("Iniciando ciclo de vuelo\n"); |
| 77 | + while( util_timestamp() - t0 < ttotal ) |
| 78 | + { |
| 79 | + dt = util_timestamp() -ta; |
| 80 | + ta = util_timestamp(); |
| 81 | + rc = att_GetSample(&att); |
| 82 | + if (rc) |
| 83 | + { |
| 84 | + printf("Error al actualizar los datos de actitud\n"); |
| 85 | + break; |
| 86 | + } |
| 87 | + alt = att.h; |
| 88 | + ph = att.roll; |
| 89 | + th = att.pitch; |
| 90 | + ps = 0;//att.yaw; |
| 91 | + update_DiffOrdN( &filtroth, th, dt); |
| 92 | + update_DiffOrdN( &filtroph, ph, dt); |
| 93 | + th = filtroth.diffs[(int)N].integral; |
| 94 | + ph = filtroph.diffs[(int)N].integral; |
| 95 | + thp = filtroth.diffs[(int)N-1].integral; |
| 96 | + php = filtroph.diffs[(int)N-1].integral; |
| 97 | + updateatt_u(&st, th, thp, ph, php, ps, 0); |
| 98 | + updatealt_u(&pid, alt); |
| 99 | + om1 = om2 = om3 = om4 = 0; |
| 100 | + //SOLVE EQUATIONS |
| 101 | + om1 = (int)(sqrt(-(b*st.ups + d*st.uph - d*pid.ualt - d*st.uth)/(4*b*d)*factor)/2); |
| 102 | + om2 = (int)(sqrt((d*st.uph + d*st.uth + b*st.ups + d*pid.ualt)/(4*b*d)*factor)/2); |
| 103 | + om3 = (int)(sqrt(-(d*st.uth + b*st.ups - d*pid.ualt - d*st.uph)/(4*b*d)*factor)/2); |
| 104 | + om4 = (int)(sqrt((d*pid.ualt + b*st.ups - d*st.uph - d*st.uth)/(4*b*d)*factor)/2); |
| 105 | + if( om1 < 5) om1 += 5; |
| 106 | + if( om2 < 5) om2 += 5; |
| 107 | + if( om3 < 5) om3 += 5; |
| 108 | + if( om4 < 5) om4 += 5; |
| 109 | + //OUTPUT TO MOTORS |
| 110 | + mot_Run(om1/256.0, om2/256.0, om3/256.0, om4/256.0); |
| 111 | + printf("uo= %.2f %.2f %.2f %.2f\nom= %d %d %d %d\ndt= %.4f\n", pid.ualt, st.uph, st.uth, st.ups, om1, om2, om3, om4, dt); |
| 112 | + pthread_yield(); |
| 113 | + } |
| 114 | + printf("Tiempo de vuelo terminado.\n"); |
| 115 | + printf("Deteniendo motores y cerrando el manejador de motores y navegacion\n"); |
| 116 | + mot_Stop(); |
| 117 | + mot_Close(); |
| 118 | + att_Close(); |
| 119 | + printf("Cerrado\n"); |
| 120 | +} |
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