Robot secondaire
Dependencies: RoboClaw mbed StepperMotor
Fork of RoboClaw by
Diff: Odometry/Odometry.cpp
- Revision:
- 12:d5e21f71c2a9
- Parent:
- 10:ae3178aa94e9
- Child:
- 30:58bfac39e701
diff -r ae3178aa94e9 -r d5e21f71c2a9 Odometry/Odometry.cpp --- a/Odometry/Odometry.cpp Fri Dec 04 11:18:13 2015 +0000 +++ b/Odometry/Odometry.cpp Tue Jan 05 14:51:10 2016 +0000 @@ -26,6 +26,10 @@ this->y = y; this->theta = theta; } +void Odometry::getEnc() +{ + pc.printf("EncM1 : %d\tEncM2 : %d\n\r", roboclaw.ReadEncM1(ADR), roboclaw.ReadEncM2(ADR)); +} void Odometry::setX(double x) { @@ -48,11 +52,11 @@ 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)*C / 2.0f; + double deltaTheta = (m_distPerTick_left*delta_left - m_distPerTick_right*delta_right)*C / m_v; - double deltaS = (m_distPerTick_left*delta_left + m_distPerTick_right*delta_right) / 2.0f; - double deltaTheta = (m_distPerTick_left*delta_left - m_distPerTick_right*delta_right) / m_v; - - double R = deltaS/deltaTheta; + /*double R = deltaS/deltaTheta; double xO = x - R*sin(theta); double yO = y + R*cos(theta); @@ -66,26 +70,35 @@ else { x = xO + R*sin(theta); y = yO - R*cos(theta); - } + }*/ - /*double dx = deltaS*cos(theta); + double dx = deltaS*cos(theta); double dy = deltaS*sin(theta); x += dx; y += dy; - theta += deltaTheta;*/ + theta += deltaTheta; while(theta > PI) theta -= 2*PI; while(theta <= -PI) theta += 2*PI; } +void Odometry::GotoXY(double x_goal, double y_goal) +{ + double theta_ = atan2(y_goal-y, x_goal-x); + double dist_ = sqrt(carre(x_goal-x)+carre(y_goal-y)); + pc.printf("Dist : %3.2f\tTheta : %3.2f\n\r", dist_, theta_*180/PI); + GotoThet(theta_); + GotoDist(dist_); +} + 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)); - //pc.printf("Dist : %3.2f\tTheta : %3.2f\n\r", dist_, theta_*180/PI); - //pc.printf("X : %3.2f\tY : %3.2f\tTheta : %3.2f\n\r", getX(), getY(), getTheta()*180/PI); + pc.printf("Dist : %3.2f\tTheta : %3.2f\n\r", dist_, theta_*180/PI); GotoThet(theta_); GotoDist(dist_); + GotoThet(theta_goal); } void Odometry::GotoThet(double theta_) @@ -104,18 +117,20 @@ double erreur_theta = theta_ - getTheta(); while(erreur_theta >= PI) erreur_theta -= 2*PI; - while(erreur_theta <= -PI) erreur_theta += 2*PI; - - if(erreur_theta <= 0) { - distance_ticks_left = (int32_t) -(erreur_theta*m_v/2)/m_distPerTick_left + pos_initiale_left; - distance_ticks_right = (int32_t) (erreur_theta*m_v/2)/m_distPerTick_right + pos_initiale_right; + while(erreur_theta < -PI) erreur_theta += 2*PI; + + pc.printf("ET : %3.2f\n\r", erreur_theta*180/PI); + + if(erreur_theta < 0) { + distance_ticks_left = (int32_t) pos_initiale_left + (erreur_theta*m_v/2)/m_distPerTick_left; + distance_ticks_right = (int32_t) pos_initiale_right - (erreur_theta*m_v/2)/m_distPerTick_right; } else { - distance_ticks_left = (int32_t) (erreur_theta*m_v/2)/m_distPerTick_left + pos_initiale_left; - distance_ticks_right = (int32_t) -(erreur_theta*m_v/2)/m_distPerTick_right + pos_initiale_right; + distance_ticks_left = (int32_t) pos_initiale_left + (erreur_theta*m_v/2)/m_distPerTick_left; + distance_ticks_right = (int32_t) pos_initiale_right - (erreur_theta*m_v/2)/m_distPerTick_right; } - //pc.printf("ET : %3.2f\n\r", erreur_theta*180/PI); - pc.printf("TV %3.2f\tTh %3.2f\tET %3.2f\n\r",theta_*180/PI,getTheta()*180/PI,erreur_theta*180/PI); + //pc.printf("TV %3.2f\tTh %3.2f\tET %3.2f\n\r",theta_*180/PI,getTheta()*180/PI,erreur_theta*180/PI); + //pc.printf("X : %3.2f\tY : %3.2f\tTheta : %3.2f\n\r", getX(), getY(), getTheta()*180/PI); //pc.printf("M1 %6d\tM2 %6d\n\r",distance_ticks_right, distance_ticks_left); roboclaw.SpeedAccelDeccelPositionM1M2(ADR, accel_angle, vitesse_angle, deccel_angle, distance_ticks_right, accel_angle, vitesse_angle, deccel_angle, distance_ticks_left, 1); @@ -123,7 +138,7 @@ //pc.printf("IniR:%6d\tDistR:%6d\tIniL:%6d\tDistL:%6d\n\r", pos_initiale_right, distance_ticks_right, pos_initiale_left, distance_ticks_left); while((m_pulses_right != distance_ticks_right)&&(m_pulses_left != distance_ticks_left)); //pc.printf("%6d\t%6d\t%6d\t%6d\t%6d\n\r",m_pulses_right - pos_initiale_right, distance_ticks_right, m_pulses_left - pos_initiale_left, distance_ticks_left); - //setTheta(theta_); + setTheta(theta_); led = 1; //arrived = true; //pc.printf("arrivey %d\n\r",pos_prog); @@ -144,9 +159,8 @@ roboclaw.SpeedAccelDeccelPositionM1M2(ADR, accel_dista, vitesse_dista, deccel_dista, distance_ticks_right, accel_dista, vitesse_dista, deccel_dista, distance_ticks_left, 1); //pc.printf("IniR:%6d\tDistR:%6d\tIniL:%6d\tDistL:%6d\n\r", pos_initiale_right, distance_ticks_right, pos_initiale_left, distance_ticks_left); - + while((m_pulses_right != distance_ticks_right)&&(m_pulses_left != distance_ticks_left)); //pc.printf("PR:%6d\tIR:%6d\tDR:%6d\tPL:%6d\tIL:%6d\tDL:%6d\n\r",m_pulses_right, pos_initiale_right, distance_ticks_right, m_pulses_left, pos_initiale_left, distance_ticks_left); - led = 1; //pc.printf("arrivey %d\n\r",pos_prog); //pc.printf("X : %3.2f\tY : %3.2f\tTheta : %3.2f\n\r", getX(), getY(), getTheta()*180/PI);