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Dependencies: mbed
Diff: main.cpp
- Revision:
- 3:a0b0e4acf5e9
- Parent:
- 2:c507076bfd93
--- a/main.cpp Fri Mar 22 15:22:15 2019 +0000
+++ b/main.cpp Fri Mar 22 16:00:45 2019 +0000
@@ -10,7 +10,8 @@
void poseEst(float p[], float radius, float enc_res, float b);
void SpeedLim(float w[]);
//int ReadSensors();
-void updateHist(int hist[][], int active[][],int x,int y);
+const int n = 200, activeSize = 11;
+void updateHist(int hist[][n], int active[][activeSize],int x,int y);
int main(){
button.mode(PullUp);
@@ -24,16 +25,16 @@
//b = Distance between wheels, enc_res = Encoder Resolution, v = Calculated speed
//k_v = Speed gain, k_s = Curvature gain, wratio = Angular speed ratio control command
//Cells dim: 5x5cm |
- const int = m = 200, n = 200, activeSize = 11;
+ const int m = 200;
int hist[m][n] , active[activeSize][activeSize];
float w[3], v, p[3], p_obj[3], theta, theta_error, err, integral = 0.0;
const float radius = 3.5, b = 13.3, enc_res = 1440, k_v = 7,
- k_s = 60, k_i = 1, sample_time = 0.05, Fcr = 1.0, d_stalker = 5.0;
+ k_s = 60, k_i = 0.0, sample_time = 0.05, Fcr = 1.0, d_stalker = 3.0;
// ===============================================================================
// =================================== COORDS ====================================
// ===============================================================================
//Target coordinates
- p_obj[0] = 400, p_obj[1] = 400, p_obj[2] = 0;
+ p_obj[0] = 200, p_obj[1] = 200, p_obj[2] = 0;
//Initial coordinates:
p[0] = 100, p[1] = 100, p[2] = 0;
// ===============================================================================
@@ -42,8 +43,8 @@
while(1){
getCountsAndReset();
pc.printf("Speeds: Left=%lf Right=%lf\n", w[1], w[2]);
- pc.printf("Odometer: X=%lf Y=%lf Theta=%lf\n", p[0], p[1], p[2]);
- pc.printf("Position: X=%lf Y=%lf Theta=%lf\n", p[0], p[1], p[2]);
+ //pc.printf("Odometer: X=%lf Y=%lf Theta=%lf\n", p[0], p[1], p[2]);
+ pc.printf("Position: X=%lf Y=%lf Theta=%lf\n\n", p[0], p[1], p[2]);
//Path calculation
poseEst(p, radius, enc_res, b); //Pose estimation
@@ -54,12 +55,13 @@
p[2] = atan2(sin(p[2]),cos(p[2]));
theta_error = theta-p[2];
w[0] = k_s*(theta_error); //direction gain
- integral += err
+ integral += err;
v = k_v*err+k_i*integral; //Speed gain
w[1] = (v-(b/2)*w[0])/radius;
w[2] = (v+(b/2)*w[0])/radius;
SpeedLim(w);
- if((fabs(p[0]-p_obj[0])+fabs(p[1]-p_obj[1])) < 1){
+ if((fabs(p[0]-p_obj[0])+fabs(p[1]-p_obj[1])) < 5){
+ pc.printf("\n YOU REACHED YOUR DESTINATION, THANK YOU FOR CHOOSING EMIRATES\n");
setSpeeds(0,0);
}
else{
@@ -105,22 +107,22 @@
w[1] = 150;
}
}
- if(w[2] < 50 || w[1] < 50){
+ if(w[2] < 35 || w[1] < 35){
if(wratio < 1){
- w[1] = 50;
+ w[1] = 35;
w[2] = w[1]*wratio;
}
else if(wratio > 1){
- w[2] = 50;
+ w[2] = 35;
w[1] = w[2]/wratio;
}
else{
- w[2] = 50;
- w[1] = 50;
+ w[2] = 35;
+ w[1] = 35;
}
}
}
-void updateHist(int hist[i][j], int active[activeSize][activeSize],int x,int y){
+void updateHist(int hist[][n], int active[][activeSize],int x,int y){
int aX=0;
for(int i=x-(activeSize/2);i<x+(activeSize/2+1);i++){
int aY=0;