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amiro-os / devices / DiWheelDrive / userthread.cpp @ 3c3c3bb9

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#include "userthread.hpp"
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#include "amiro/Constants.h"
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#include "amiro_map.hpp"
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#include "global.hpp"
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#include "linefollow.hpp"
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using namespace amiro;
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extern Global global;
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// a buffer for the z-value of the accelerometer
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int16_t accel_z;
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bool running = false;
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/**
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 * Set speed.
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 *
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 * @param rpmSpeed speed for left and right wheel in rounds/min
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 */
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void UserThread::setRpmSpeedFuzzy(const int (&rpmSpeed)[2]) {
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  global.motorcontrol.setTargetRPM(rpmSpeed[constants::DiWheelDrive::LEFT_WHEEL] * 1000000, rpmSpeed[constants::DiWheelDrive::RIGHT_WHEEL] * 1000000);
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}
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void UserThread::setRpmSpeed(const int (&rpmSpeed)[2]) {
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  global.motorcontrol.setTargetRPM(rpmSpeed[constants::DiWheelDrive::LEFT_WHEEL], rpmSpeed[constants::DiWheelDrive::RIGHT_WHEEL]);
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}
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void UserThread::lightOneLed(Color color, int idx){
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  global.robot.setLightColor(idx, Color(color));
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}
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void UserThread::lightAllLeds(Color color){
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  int led = 0;
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  for(led=0; led<8; led++){
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        lightOneLed(color, led);
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      }
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}
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void UserThread::showChargingState(){
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  uint8_t numLeds = global.robot.getPowerStatus().state_of_charge / 12;
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  Color color = Color::GREEN;
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  if (numLeds <= 2){
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    color = Color::RED;
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  }else if(numLeds <= 6){
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    color = Color::YELLOW;
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  }
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  for (int i=0; i<numLeds; i++){
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    lightOneLed(color, i);
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    this->sleep(300);
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  }
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  this->sleep(1000);
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  lightAllLeds(Color::BLACK);
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}
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void UserThread::chargeAsLED(){
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  uint8_t numLeds = global.robot.getPowerStatus().state_of_charge / 12;
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  Color color = Color::GREEN;
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  if (numLeds <= 2){
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    color = Color::RED;
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  }else if(numLeds <= 6){
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    color = Color::YELLOW;
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  }
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  for (int i=0; i<numLeds; i++){
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    lightOneLed(color, i);
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    // this->sleep(300);
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  }
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  // this->sleep(1000);
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  // lightAllLeds(Color::BLACK);
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}
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// ----------------------------------------------------------------
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void UserThread::getProxySectorVals(uint16_t (&proxVals)[8], uint16_t (&sProx)[8]){
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  for (int i=0; i<8; i++){
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    sProx[i] = (proxVals[i] < proxVals[(i+1) % 8]) ? proxVals[i] : proxVals[(i+1) % 8];
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    // chprintf((BaseSequentialStream*)&global.sercanmux1, "%d: %d, ", i, sProx[i]);
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  }
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    // chprintf((BaseSequentialStream*)&global.sercanmux1, "\n");
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}
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void UserThread::getMaxFrontSectorVal(uint16_t (&sProx)[8], int32_t &sPMax){
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  for (int i=2; i<5; i++){
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    sPMax = (sPMax < sProx[i]) ? sProx[i] : sPMax;
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  }
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}
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void UserThread::proxSectorSpeedCorrection(int (&rpmSpeed)[2], uint16_t (&proxVals)[8]){
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  int i;
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  uint16_t sProx[8];
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  int32_t sPMax = 0;
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  getProxySectorVals(proxVals, sProx);
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  getMaxFrontSectorVal(sProx, sPMax);
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  int32_t speedL = rpmSpeed[0] - (sPMax * pCtrl.pFactor);
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  int32_t speedR = rpmSpeed[1] - (sPMax * pCtrl.pFactor);
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  if(sPMax > pCtrl.threshMid){
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      rpmSpeed[0] = 0;
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      rpmSpeed[1] = 0;
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      pCtrl.staticCont++;
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  }else if((speedL > 0) || (speedR > 0)){
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    pCtrl.staticCont = 0;
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    rpmSpeed[0] = speedL;
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    rpmSpeed[1] = speedR;
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  }else{
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    rpmSpeed[0] = 4000000 + (rpmSpeed[0] - global.rpmForward[0] * 1000000);
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    rpmSpeed[1] = 4000000 + (rpmSpeed[1] - global.rpmForward[0] * 1000000);
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  }
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  for(i=4; i<5; i++){
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    if ((proxVals[i] > pCtrl.threshMid) && (proxVals[i+1] > pCtrl.threshLow)){
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      rpmSpeed[0] = -5000000 ;
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      rpmSpeed[1] = -5000000 ;
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      // pCtrl.staticCont++;
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      break;
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    }
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  }
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  chargeAsLED();
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  // chprintf((BaseSequentialStream*)&global.sercanmux1, "Max: %d factor: %d, Panel: %d SpeedL: %d SpeedR: %d ActualL: %d ActualR: %d\n",sPMax,  pCtrl.pFactor,  sPMax * pCtrl.pFactor, speedL, speedR, rpmSpeed[0], rpmSpeed[1]);
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}
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// -------------------------------------------------------------------
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void UserThread::preventCollision( int (&rpmSpeed)[2], uint16_t (&proxVals)[8]) {
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  if((proxVals[3] > pCtrl.threshLow) || (proxVals[4] > pCtrl.threshLow)){
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      rpmSpeed[0] = rpmSpeed[0] / 2;
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      rpmSpeed[1] = rpmSpeed[1] / 2;
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  }
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  if((proxVals[3] > pCtrl.threshMid) || (proxVals[4] > pCtrl.threshMid)){
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      rpmSpeed[0] = rpmSpeed[0] / 3;
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      rpmSpeed[1] = rpmSpeed[1] / 3;
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  }
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  if((proxVals[3] > pCtrl.threshHigh) || (proxVals[4] > pCtrl.threshHigh)){
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      rpmSpeed[0] = 0;
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      rpmSpeed[1] = 0;
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      utCount.ringProxCount++;
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  }else{
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    utCount.ringProxCount = 0;
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  }
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}
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/**
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 * Blocks as long as the position changes.
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 */
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void UserThread::checkForMotion(){
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  bool motion = true;
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  int led = 0;
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  types::position oldPos = global.odometry.getPosition();
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  while(motion){
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    this->sleep(200);
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    types::position tmp = global.odometry.getPosition();
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    motion = oldPos.x != tmp.x; //abs(oldPos.x - tmp.x)+ abs(oldPos.y - tmp.y)+abs(oldPos.z - tmp.z);
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    oldPos = tmp;
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    global.robot.setLightColor((led + 1) % 8, Color(Color::YELLOW));
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    global.robot.setLightColor(led % 8, Color(Color::BLACK));
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    led++;
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  }
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  lightAllLeds(Color::BLACK);
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}
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bool UserThread::checkFrontalObject(){
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  uint32_t thresh = pCtrl.threshMid;
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  uint32_t prox;
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  for(int i=0; i<8; i++){
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    prox = global.robot.getProximityRingValue(i);
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    if((i == 3) || (i == 4)){
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      if(prox < thresh){
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        return false;
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      }
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    }else{
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      if(prox > thresh){
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        return false;
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      }
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    }
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  }
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  return true;
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}
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bool UserThread::checkPinVoltage(){
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  return global.ltc4412.isPluggedIn();
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}
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bool UserThread::checkPinEnabled(){
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  return global.ltc4412.isEnabled();
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}
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int UserThread::checkDockingSuccess(){
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  // setRpmSpeed(stop);
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  checkForMotion();
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  int success = 0;
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  // global.odometry.resetPosition();
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  types::position start = global.startPos = global.odometry.getPosition();
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  global.motorcontrol.setMotorEnable(false);
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  this->sleep(1000);
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  types::position stop_ = global.endPos = global.odometry.getPosition();
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  // Amiro moved, docking was not successful
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  // if ((start.x + stop_.x)  || (start.y + stop_.y)){
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  if (abs(start.x - stop_.x) > 200 /* || (start.y + stop_.y) */){
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    lightAllLeds(Color::RED);
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    // Enable Motor again if docking was not successful
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    global.motorcontrol.setMotorEnable(true);
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    success = 0;
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  }else{
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    lightAllLeds(Color::GREEN);
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    success = 1;
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  }
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  // this->sleep(500);
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  lightAllLeds(Color::BLACK);
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  return success;
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}
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int UserThread::getProxyRingSum(){
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  int prox_sum = 0;
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  for(int i=0; i<8;i++){
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    prox_sum += global.robot.getProximityRingValue(i);;
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  }
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  return prox_sum;
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}
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int32_t UserThread::meanDeviation(uint16_t a, uint16_t b){
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  int32_t diff = a - b;
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  int32_t res = 0;
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  devCor.proxbuf[devCor.pCount] = (diff*100)/((a+b)/2);
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  for (int i = 0; i< PROX_DEVIATION_MEAN_WINDOW; i++){
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    res += devCor.proxbuf[i];
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  }
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  devCor.pCount++;
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  devCor.pCount = devCor.pCount % PROX_DEVIATION_MEAN_WINDOW;
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  devCor.currentDeviation =  res / PROX_DEVIATION_MEAN_WINDOW;
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  return devCor.currentDeviation;
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}
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void setAttributes(uint8_t (&map)[MAX_NODES][NODE_ATTRIBUTES],
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                          uint8_t id, uint8_t l, uint8_t r, uint8_t att) {
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  map[id][0] = l;
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  map[id][1] = r;
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  map[id][2] = att;
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}
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UserThread::UserThread() :
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  chibios_rt::BaseStaticThread<USER_THREAD_STACK_SIZE>()
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{
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}
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UserThread::~UserThread()
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{
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}
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msg_t
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UserThread::main()
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{
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  /*
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   * SETUP
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   */
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  // User thread state:
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  for (uint8_t led = 0; led < 8; ++led) {
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    global.robot.setLightColor(led, Color(Color::BLACK));
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  }
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  // State Variables
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  ut_states prevState = ut_states::UT_IDLE;
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  ut_states currentState = ut_states::UT_INACTIVE;
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  ut_states newState = ut_states::UT_INACTIVE;
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  running = false;
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  LineFollowStrategy lStrategy = LineFollowStrategy::EDGE_RIGHT;
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  LineFollow lf(&global);
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  AmiroMap map(&global);
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  /*
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   * LOOP
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   */
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  while (!this->shouldTerminate())
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  {
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    /*
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    * read accelerometer z-value
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    */
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    accel_z = global.lis331dlh.getAccelerationForce(LIS331DLH::AXIS_Z);
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    if (accel_z < -900 /*-0.9g*/) {
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      // Start line following when AMiRo is rotated
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      if(currentState == ut_states::UT_INACTIVE){
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        newState = ut_states::UT_FOLLOW_LINE;
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      }else{
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        newState = ut_states::UT_IDLE;
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      }
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      lightAllLeds(Color::GREEN);
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      this->sleep(1000);
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      lightAllLeds(Color::BLACK);
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    // If message was received handle it here:
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    } else if(global.msgReceived){
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      global.msgReceived = false;
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      // running = true;
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      switch(global.lfStrategy){
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      case msg_content::MSG_START:
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        newState = ut_states::UT_CALIBRATION_CHECK;
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        break;
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      case msg_content::MSG_STOP:
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        newState = ut_states::UT_IDLE;
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        break;
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      case msg_content::MSG_EDGE_RIGHT:
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        // newState = ut_states::UT_FOLLOW_LINE;
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        lStrategy = LineFollowStrategy::EDGE_RIGHT;
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        break;
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      case  msg_content::MSG_EDGE_LEFT:
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        // newState = ut_states::UT_FOLLOW_LINE;
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        lStrategy = LineFollowStrategy::EDGE_LEFT;
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        break;
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      case msg_content::MSG_FUZZY:
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        // newState = ut_states::UT_FOLLOW_LINE;
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        lStrategy = LineFollowStrategy::FUZZY;
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        break;
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      case msg_content::MSG_DOCK:
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        newState = ut_states::UT_DETECT_STATION;
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        break;
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      case msg_content::MSG_UNDOCK:
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        newState = ut_states::UT_RELEASE;
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        break;
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      case msg_content::MSG_CHARGE:
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        newState = ut_states::UT_CHARGING;
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        break;
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      case msg_content::MSG_RESET_ODOMETRY:
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        global.odometry.resetPosition();
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        break;
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      case msg_content::MSG_CALIBRATE_BLACK:
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        proxCalib.calibrateBlack = true;
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        // global.odometry.resetPosition();
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        newState = ut_states::UT_CALIBRATION;
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        break;
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      case msg_content::MSG_CALIBRATE_WHITE:
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        proxCalib.calibrateBlack = false;
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        newState = ut_states::UT_CALIBRATION;
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        break;
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      case msg_content::MSG_TEST_MAP_STATE:
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        if (AMIRO_MAP_AUTO_TRACKING){
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          newState = ut_states::UT_TEST_MAP_AUTO_STATE;
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        }else {
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          newState = ut_states::UT_TEST_MAP_STATE;
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        }
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        break;
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      default:
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        newState = ut_states::UT_IDLE;
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        break;
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      }
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    }
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    // newState = currentState;
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    // Get sensor data
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    uint16_t WL = global.vcnl4020[constants::DiWheelDrive::PROX_WHEEL_LEFT].getProximityScaledWoOffset();
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    uint16_t WR = global.vcnl4020[constants::DiWheelDrive::PROX_WHEEL_RIGHT].getProximityScaledWoOffset();
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    for(int i=0; i<8;i++){
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      rProx[i] = global.robot.getProximityRingValue(i);
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    }
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    // Continously update devication values
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    meanDeviation(rProx[0] & 0xFFF0, rProx[7] & 0xFFF0);
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    // int FL = global.vcnl4020[constants::DiWheelDrive::PROX_FRONT_LEF