amiro-os / devices / DiWheelDrive / userthread.cpp @ 9090cc7e
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#include "userthread.hpp" |
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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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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 == states::INACTIVE){
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newState = states::FOLLOW_LINE; |
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}else{
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newState = states::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 = states::CALIBRATION_CHECK; |
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break;
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case msg_content::MSG_STOP:
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newState = states::IDLE; |
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break;
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case msg_content::MSG_EDGE_RIGHT:
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// newState = states::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 = states::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 = states::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 = states::DETECT_STATION; |
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break;
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case msg_content::MSG_UNDOCK:
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newState = states::RELEASE; |
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break;
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case msg_content::MSG_CHARGE:
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newState = states::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 = states::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 = states::CALIBRATION; |
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break;
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case msg_content::MSG_TEST_MAP_STATE:
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newState = states::TEST_MAP_STATE; |
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break;
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default:
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newState = states::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_LEFT].getProximityScaledWoOffset();
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// int FR = global.vcnl4020[constants::DiWheelDrive::PROX_FRONT_RIGHT].getProximityScaledWoOffset();
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switch(currentState){
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case states::INACTIVE:
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// Dummy state to deactivate every interaction
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break;
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// ---------------------------------------
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case states::CALIBRATION_CHECK:
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// global.robot.calibrate();
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if(global.linePID.BThresh >= global.linePID.WThresh){
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newState = states::CALIBRATION_ERROR; |
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} |