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authorCristian Maglie <c.maglie@bug.st>2013-05-29 18:30:36 +0200
committerCristian Maglie <c.maglie@bug.st>2013-05-29 18:30:36 +0200
commitd90fcca5839d13d57ed527d4009b78d22dafbde7 (patch)
tree768b98af21e5075846184dd3de41ae0c22e75e20 /libraries/Robot_Motor/lineFollow.cpp
parent7207108255a772474b322151cb0fd113e8030afe (diff)
parentef4e8c65373f531ce6d37ff226a21fc9b358ff29 (diff)
Merged 1.0.5
Diffstat (limited to 'libraries/Robot_Motor/lineFollow.cpp')
-rw-r--r--libraries/Robot_Motor/lineFollow.cpp152
1 files changed, 152 insertions, 0 deletions
diff --git a/libraries/Robot_Motor/lineFollow.cpp b/libraries/Robot_Motor/lineFollow.cpp
new file mode 100644
index 0000000..d6ebed8
--- /dev/null
+++ b/libraries/Robot_Motor/lineFollow.cpp
@@ -0,0 +1,152 @@
+//#include <ArduinoRobotMotorBoard.h>
+#include "LineFollow.h"
+
+//#define KP 19 //0.1 units
+//#define KD 14
+//#define ROBOT_SPEED 100 //percentage
+
+//#define KP 11
+//#define KD 5
+//#define ROBOT_SPEED 50
+
+//#define INTEGRATION_TIME 10 //En ms
+
+/*uint8_t KP=11;
+uint8_t KD=5;
+uint8_t robotSpeed=50; //percentage
+uint8_t intergrationTime=10;*/
+
+#define NIVEL_PARA_LINEA 50
+
+/*int lectura_sensor[5], last_error=0, acu=0;
+
+//Estos son los arrays que hay que rellenar con los valores de los sensores
+//de suelo sobre blanco y negro.
+int sensor_blanco[]={
+ 0,0,0,0,0};
+int sensor_negro[]={
+ 1023,1023,1023,1023,1023};
+*/
+//unsigned long time;
+
+//void mueve_robot(int vel_izq, int vel_der);
+//void para_robot();
+//void doCalibration(int speedPct, int time);
+//void ajusta_niveles(); //calibrate values
+
+LineFollow::LineFollow(){
+ /*KP=11;
+ KD=5;
+ robotSpeed=50; //percentage
+ intergrationTime=10;*/
+ config(11,5,50,10);
+
+ for(int i=0;i<5;i++){
+ sensor_blanco[i]=0;
+ sensor_negro[i]=1023;
+ }
+}
+
+void LineFollow::config(uint8_t KP, uint8_t KD, uint8_t robotSpeed, uint8_t intergrationTime){
+ this->KP=KP;
+ this->KD=KD;
+ this->robotSpeed=robotSpeed;
+ this->intergrationTime=intergrationTime;
+ /*Serial.print("LFC: ");
+ Serial.print(KP);
+ Serial.print(' ');
+ Serial.print(KD);
+ Serial.print(' ');
+ Serial.print(robotSpeed);
+ Serial.print(' ');
+ Serial.println(intergrationTime);*/
+
+}
+void LineFollow::calibIRs(){
+ static bool isInited=false;//So only init once
+ if(isInited)return ;
+
+ delay(1000);
+
+ doCalibration(30,500);
+ doCalibration(-30,800);
+ doCalibration(30,500);
+
+ delay(1000);
+ isInited=true;
+}
+
+void LineFollow::runLineFollow(){
+ for(int count=0; count<5; count++)
+ {
+ lectura_sensor[count]=map(IRread(count),sensor_negro[count],sensor_blanco[count],0,127);
+ acu+=lectura_sensor[count];
+ }
+
+ //Serial.println(millis());
+ if (acu > NIVEL_PARA_LINEA)
+ {
+ acu/=5;
+
+ int error = ((lectura_sensor[0]<<6)+(lectura_sensor[1]<<5)-(lectura_sensor[3]<<5)-(lectura_sensor[4]<<6))/acu;
+
+ error = constrain(error,-100,100);
+
+ //Calculamos la correcion de velocidad mediante un filtro PD
+ int vel = (error * KP)/10 + (error-last_error)*KD;
+
+ last_error = error;
+
+ //Corregimos la velocidad de avance con el error de salida del filtro PD
+ int motor_left = constrain((robotSpeed + vel),-100,100);
+ int motor_right =constrain((robotSpeed - vel),-100,100);
+
+ //Movemos el robot
+ //motorsWritePct(motor_left,motor_right);
+ motorsWritePct(motor_left,motor_right);
+
+ //Esperamos un poquito a que el robot reaccione
+ delay(intergrationTime);
+ }
+ else
+ {
+ //Hemos encontrado una linea negra
+ //perpendicular a nuestro camino
+ //paramos el robot
+ motorsStop();
+
+ //y detenemos la ejecución del programa
+ //while(true);
+ reportActionDone();
+ //setMode(MODE_SIMPLE);
+ }
+}
+
+
+void LineFollow::doCalibration(int speedPct, int time){
+ motorsWritePct(speedPct, -speedPct);
+ unsigned long beginTime = millis();
+ while((millis()-beginTime)<time)
+ ajusta_niveles();
+ motorsStop();
+}
+void LineFollow::ajusta_niveles()
+{
+ int lectura=0;
+
+ for(int count=0; count<5; count++){
+ lectura=IRread(count);
+
+ if (lectura > sensor_blanco[count])
+ sensor_blanco[count]=lectura;
+
+ if (lectura < sensor_negro[count])
+ sensor_negro[count]=lectura;
+ }
+}
+
+
+
+
+
+