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Diff: Odometry/Odometry.cpp
- Revision:
- 4:3e6e78d6d3d9
- Parent:
- 3:62e9d715de65
- Child:
- 10:ae3178aa94e9
--- a/Odometry/Odometry.cpp Tue Nov 24 21:42:10 2015 +0000
+++ b/Odometry/Odometry.cpp Tue Nov 24 21:56:23 2015 +0000
@@ -2,108 +2,105 @@
// M1 = Moteur droit, M2 = Moteur gauche
-Odometry::Odometry(double diameter_right, double diameter_left, double v, RoboClaw &rc) : roboclaw(rc)
-{
+Odometry::Odometry(double diameter_right, double diameter_left, double v, RoboClaw &rc) : roboclaw(rc){
m_v = v;
m_distPerTick_left = diameter_left*PI/37400;
m_distPerTick_right = diameter_right*PI/37400;
-
+
roboclaw.ForwardM1(ADR, 0);
roboclaw.ForwardM2(ADR, 0);
-
+
+ // Erreur autorisée sur le déplacement en angle
erreur_ang = 0.01;
+
m_pulses_right = 0;
m_pulses_left = 0;
wait_ms(100);
}
-void Odometry::setPos(double x, double y, double theta)
-{
+void Odometry::setPos(double x, double y, double theta){
this->x = x;
this->y = y;
this->theta = theta;
}
-void Odometry::setX(double x)
-{
+void Odometry::setX(double x){
this->x = x;
}
-void Odometry::setY(double y)
-{
+void Odometry::setY(double y){
this->y = y;
}
-void Odometry::setTheta(double theta)
-{
+void Odometry::setTheta(double theta){
this->theta = theta;
}
-void Odometry::update_odo(void)
-{
+void Odometry::update_odo(void){
int32_t delta_right = roboclaw.ReadEncM1(ADR) - m_pulses_right;
m_pulses_right = roboclaw.ReadEncM1(ADR);
int32_t delta_left = roboclaw.ReadEncM2(ADR) - m_pulses_left;
m_pulses_left = roboclaw.ReadEncM2(ADR);
-
+
double deltaS = (m_distPerTick_left*delta_left + m_distPerTick_right*delta_right) / 2.0f;
double deltaTheta = (m_distPerTick_right*delta_right - m_distPerTick_left*delta_left)*C / m_v;
-
+
double radius = deltaS/deltaTheta;
double xO = x - radius*sin(theta);
double yO = y + radius*cos(theta);
-
+
theta += deltaTheta;
-
+
x = xO + radius*sin(theta);
y = yO - radius*cos(theta);
-
+
while(theta > PI) theta -= 2*PI;
while(theta <= -PI) theta += 2*PI;
}
-void Odometry::GotoXYT(double x_goal, double y_goal, double theta_goal)
-{
+void Odometry::GotoXYT(double x_goal, double y_goal, double theta_goal){
double theta_ = atan2(y_goal-y, x_goal-x);
double dist_ = sqrt(carre(x_goal-x)+carre(y_goal-y));
GotoThet(theta_);
GotoDist(dist_);
}
-void Odometry::GotoThet(double theta_)
-{
+void Odometry::GotoThet(double theta_) {
double distance_ticks_left;
double distance_ticks_right;
+
+ // Le calcul d'erreur est bon (testé), tu peux le vérifier par dessin
double erreur_theta = theta_ - getTheta();
bool arrived = false;
-
+
while(erreur_theta >= PI) erreur_theta -= 2*PI;
while(erreur_theta <= -PI) erreur_theta += 2*PI;
-
- if(erreur_theta <= 0)
- {
+
+ if(erreur_theta <= 0) {
distance_ticks_left = -(erreur_theta*m_v/2)/m_distPerTick_left;
distance_ticks_right = (erreur_theta*m_v/2)/m_distPerTick_right;
- }
- else
- {
+ } else {
distance_ticks_left = (erreur_theta*m_v/2)/m_distPerTick_left;
distance_ticks_right = -(erreur_theta*m_v/2)/m_distPerTick_right;
}
pc.printf("TV %3.2f\tTh %3.2f\tET %3.2f\n\r",theta_*180/PI,getTheta()*180/PI,erreur_theta*180/PI);
roboclaw.SpeedAccelDeccelPositionM1M2(ADR, 150000, 150000, 100000, (int32_t)distance_ticks_right, 150000, 150000, 100000, (int32_t)distance_ticks_left, 1);
+ // Il faut ici faire un espèce de bouclage pour vérifier qu'il est bien arrivé, j'avais pensé à :
+ /*
+ while(!arrived){
+
+ }
+ */
}
-void Odometry::GotoDist(double distance)
-{
+void Odometry::GotoDist(double distance) {
double temp1 = roboclaw.ReadEncM1(ADR), temp2 = roboclaw.ReadEncM2(ADR);
double distance_ticks_left = distance/m_distPerTick_left - temp2;
double distance_ticks_right = distance/m_distPerTick_right - temp1;
roboclaw.SpeedAccelDeccelPositionM1M2(ADR, 150000, 200000, 150000, (int32_t)distance_ticks_right, 150000, 200000, 150000, (int32_t)distance_ticks_left, 1);
}
-bool Odometry::isArrivedRot(double theta_)
-{
+bool Odometry::isArrivedRot(double theta_) {
if(abs_d(getTheta()) <= abs_d(theta_+erreur_ang)) return true;
else if(abs_d(getTheta()) >= abs_d(theta_-erreur_ang)) return true;
else return false;
