Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Revision 10:6c8ea68e9bac, committed 2021-05-12
- Comitter:
- ppovoa
- Date:
- Wed May 12 19:00:45 2021 +0000
- Parent:
- 9:76b59c5220f1
- Child:
- 11:58187c7de709
- Commit message:
- Lidar
Changed in this revision
| Functions.cpp | Show annotated file Show diff for this revision Revisions of this file |
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/Functions.cpp Tue May 11 17:53:17 2021 +0000
+++ b/Functions.cpp Wed May 12 19:00:45 2021 +0000
@@ -35,7 +35,7 @@
float Algorith_Inverse(float xi, float yi, float xt, float yt, float z){
float z_max = 200; // 2 m
- float alfa = 5; // 5 cm
+ float alfa = 10;
//float beta = 1; // 1 grau
float L0 = 0.0;
float Locc = 0.65;
--- a/main.cpp Tue May 11 17:53:17 2021 +0000
+++ b/main.cpp Wed May 12 19:00:45 2021 +0000
@@ -18,7 +18,7 @@
PwmOut rplidar_motor(D3);
float MapaLog[40][40] = {0};
-float Mapa40[40][40] = {0.5};
+float Mapa40[40][40];
void bresenham(float poseX, float poseY, float xf, float yf, float z);
@@ -37,16 +37,20 @@
//float odomX, odomY, odomTheta;
struct RPLidarMeasurement data;
+ //Inicializar Mapa das probabilidades a 0.5
+ for(int i=0; i<40; i++)
+ for(int j=0; j<40; j++)
+ Mapa40[i][j]=0.5;
+
// Lidar initialization
rplidar_motor.period(0.001f);
//rplidar_motor.write(0.5f);
lidar.begin(se_lidar);
lidar.setAngle(0, 360);
- int pose[3] = {20, 20}; // Ponto Inicial
- float p_angulo = 0;
- int LidarP[2]; // pontos na plataforma
- int LidarW[2]; // pontos no mundo
+ float pose[3] = {20, 20, 0}; // Ponto Inicial
+ float LidarP[2]; // pontos na plataforma
+ float LidarW[2]; // pontos no mundo
/*pc.printf("Inicializacao MapaLog\n\r");
for(int i = 0; i < 40; i++){
@@ -57,8 +61,8 @@
// matriz rotacao world plataforma
- float R_WP[3][3]= {{cos(p_angulo), -sin(p_angulo), pose[0]},
- {sin(p_angulo), cos(p_angulo), pose[1]},
+ float R_WP[3][3]= {{cos(pose[2]), -sin(pose[2]), pose[0]},
+ {sin(pose[2]), cos(pose[2]), pose[1]},
{0, 0, 1}};
setSpeeds(0, 0);
@@ -80,26 +84,22 @@
lidar.startThreadScan();
pc.printf("Entrar no ciclo\n\r");
- while(leituras < 500){
+ while(leituras < 1000){
if(lidar.pollSensorData(&data) == 0)
- {
- /*if (UserButton == 0) { // Button is pressed
- break;
- }*/
-
+ {
//pc.printf("%f\t%f\n\r", data.distance, data.angle); // Prints one lidar measurement.
float radians = (data.angle * static_cast<float>(PI))/180.0f;
- LidarP[0] = -data.distance*cos(radians)- 2.8f;
- LidarP[1] = -data.distance*sin(radians)- 1.5f;
+ LidarP[0] = -data.distance*sin(radians)- 2.8f;
+ LidarP[1] = -data.distance*cos(radians)- 1.5f;
//W_P = R_WP * p_P
LidarW[0] = LidarP[0]* R_WP[0][0] + LidarP[1]* R_WP[0][1] + R_WP[0][2]; // coordenadas no mundo, ou seja, cm
LidarW[1] = LidarP[0]* R_WP[1][0] + LidarP[1]* R_WP[1][1] + R_WP[1][2];
// pontos onde o feixe passou
- bresenham(pose[0]/5, pose[1]/5, LidarW[0]/5, LidarW[1]/5, data.distance);
+ bresenham(pose[0]/5, pose[1]/5, LidarW[0]/5, LidarW[1]/5, data.distance/5);
leituras++;
}
@@ -112,20 +112,16 @@
rplidar_motor.write(0.0f);
for(int i=0; i<40; i++){
for(int j=0; j<40; j++){
- pc.printf("%f|", Mapa40[i][j]);
- //send_map(Mapa40[j][i]); // envia linha em linha (j i)
- //send_odometry(1, 2, Mapa40[j][i], j, i,10, 30); // faz prints estranhos no Putty
+ //pc.printf("%0.3f ", Mapa40[i][j]);
+ send_odometry(1, 2, j+1, i+1, Mapa40[j][i],10, 30); // faz prints estranhos no Putty
+ wait(0.1);
}
- pc.printf("\n-----------------------------\n\r");
+ //pc.printf("\n\r");
+ //pc.printf("\n-----------------------------\n\r");
}
}
-
-
-
-
-
void bresenham(float poseX, float poseY, float xf, float yf, float z){
int T, E, A, B;
int x = static_cast<int>(poseX);
@@ -169,7 +165,7 @@
if (x >= 0 && y >= 0 && x < 40 && y < 40){
// Mapear mapa do Logaritmo
MapaLog[x][y] = MapaLog[x][y] + Algorith_Inverse(poseX, poseY, x, y, z);
- pc.printf("%f %f\n\r", MapaLog[x][y], 1 - 1/(1+exp(MapaLog[x][y])));
+ //pc.printf("%f %f\n\r", MapaLog[x][y], 1 - 1/(1+exp(MapaLog[x][y])));
Mapa40[x][y] = 1 - 1/(1+exp(MapaLog[x][y]));
}