Refactor main.cpp to integrate OmniWheelMotors for improved motor control and remove unused sensor code

This commit is contained in:
Andrea Moro 2025-02-27 17:12:42 +01:00
parent ce889a702a
commit 8a5402570c

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@ -1,116 +1,246 @@
#include <Arduino.h>
#include <Wire.h>
#include "Adafruit_BNO08x_RVC.h"
#include <PixyI2C.h>
#include "Ultrasonic.h"
// #include <PixyI2C.h> // Commented out
// #include "Ultrasonic.h" // Commented out
#include "OmniWheelMotors.hpp"
PixyI2C pixy;
// Constants
#define MOTOR_SPEED 60
#define ROTATION_ADJUSTMENT_SPEED 55
#define SIGNAL_CLOSE_THRESHOLD 50 // Threshold for considering ball close (0 is closest, 255 is farthest)
#define SIGNAL_TIMEOUT 5000 // Time in ms to consider ball lost if no detection
// Pin definitions for the motors
#define MOTOR1_R_PWM 3
#define MOTOR1_L_PWM 5
#define MOTOR2_R_PWM 6
#define MOTOR2_L_PWM 9
#define MOTOR3_R_PWM 10
#define MOTOR3_L_PWM 11
// Sensor objects
// PixyI2C pixy; // Commented out
Adafruit_BNO08x_RVC rvc = Adafruit_BNO08x_RVC();
Ultrasonic uSensor1 = Ultrasonic(7);
Ultrasonic uSensor2 = Ultrasonic(10);
Ultrasonic uSensor3 = Ultrasonic(9);
// Ultrasonic uSensor1 = Ultrasonic(7); // Commented out
// Ultrasonic uSensor2 = Ultrasonic(10); // Commented out
// Ultrasonic uSensor3 = Ultrasonic(9); // Commented out
void setup()
{
Wire.begin();
pixy.init();
// Motor control object
OmniWheelMotors motors(MOTOR1_R_PWM, MOTOR1_L_PWM,
MOTOR2_R_PWM, MOTOR2_L_PWM,
MOTOR3_R_PWM, MOTOR3_L_PWM);
// Wait for serial monitor to open
// Global variables
int lastBallSensor = -1;
int lastBallStrength = 255; // Start at max distance
unsigned long lastBallDetectionTime = 0;
bool ballLost = true;
void setup() {
// Initialize serial communication
Serial.begin(115200);
while (!Serial)
while (!Serial && millis() < 3000) // Wait up to 3 seconds for serial
delay(10);
Serial1.begin(115200); // This is the baud rate specified by the datasheet
while (!Serial1)
delay(10);
if (!rvc.begin(&Serial1))
{ // connect to the sensor over hardware serial
while (1)
delay(10);
Serial.println("ElBestia Robot Starting...");
// Initialize I2C
Wire.begin();
// Initialize IMU
Serial1.begin(115200);
if (!rvc.begin(&Serial1)) {
Serial.println("Failed to initialize IMU!");
while (1) delay(10);
}
// Print labels for the values
Serial.print(F("Yaw"));
Serial.print(F("\tPitch"));
Serial.print(F("\tRoll"));
Serial.print(F("\tX"));
Serial.print(F("\tY"));
Serial.println(F("\tZ"));
Serial.println("IMU initialized");
// Initialize motors
motors.begin();
motors.setSpeedLimits(45, 70); // Set min and max speeds
motors.setRotationTime(2000); // Set time for full rotation (2 seconds = 360°)
Serial.println("Motors initialized");
// Brief motor test
motors.moveForward(MOTOR_SPEED);
delay(500);
motors.stop();
delay(200);
Serial.println("Initialization complete. Starting main loop.");
}
void loop()
{
// Get IMU data
Wire.requestFrom(0x10 / 2, 2);
void moveBasedOnSensor(int sensorNum, int strength) {
// Get current heading from IMU for reference
BNO08x_RVC_Data heading;
static int i = 0;
uint16_t blocks;
char buf[32];
if (rvc.read(&heading)) {
float yaw = heading.yaw;
Serial.print("Current Yaw: ");
Serial.println(yaw);
}
// Calculate intensity for movement - closer means slower movement
// Invert the strength so 0 (close) becomes high intensity and 255 (far) becomes low
int moveIntensity = map(strength, 0, 255, MOTOR_SPEED, MOTOR_SPEED/2);
// Maps the 12 sensors to movement directions
// North is 12, and we go clockwise (1, 2, 3...)
switch (sensorNum) {
case 12: // North - move forward
Serial.println("Moving forward (North)");
motors.moveForward(moveIntensity);
break;
case 1: // North-northeast
Serial.println("Moving forward-right (NNE)");
motors.moveForward(moveIntensity);
delay(200);
motors.moveRight(moveIntensity);
break;
case 2: // Northeast
Serial.println("Moving forward-right (NE)");
motors.moveForward(moveIntensity/2);
motors.moveRight(moveIntensity);
break;
case 3: // East-northeast
Serial.println("Moving right (ENE)");
motors.moveRight(moveIntensity);
break;
case 4: // East
Serial.println("Moving right (East)");
motors.moveRight(moveIntensity);
break;
case 5: // East-southeast
Serial.println("Moving backward-right (ESE)");
motors.moveRight(moveIntensity);
delay(200);
motors.moveBackward(moveIntensity/2);
break;
case 6: // Southeast
Serial.println("Moving backward-right (SE)");
motors.moveBackward(moveIntensity/2);
motors.moveRight(moveIntensity);
break;
case 7: // South-southeast
Serial.println("Moving backward (SSE)");
motors.moveBackward(moveIntensity);
break;
case 8: // South
Serial.println("Moving backward (South)");
motors.moveBackward(moveIntensity);
break;
case 9: // South-southwest
Serial.println("Moving backward-left (SSW)");
motors.moveBackward(moveIntensity);
delay(200);
motors.moveLeft(moveIntensity/2);
break;
case 10: // Southwest
Serial.println("Moving backward-left (SW)");
motors.moveBackward(moveIntensity/2);
motors.moveLeft(moveIntensity);
break;
case 11: // West-southwest
Serial.println("Moving left (WSW)");
motors.moveLeft(moveIntensity);
break;
default:
motors.stop();
Serial.println("Unknown sensor direction, stopping");
break;
}
// Adjust movement duration based on signal strength
// Closer (lower value) = shorter movements
int moveDuration = map(strength, 0, 255, 200, 800);
delay(moveDuration);
motors.stop();
}
while (rvc.read(&heading))
{
int c = Wire.read(); // direction is the first byte
int strength = Wire.read();
// Print IMU data
Serial.print("IMU - Direction: ");
Serial.print(c);
Serial.print(" Strength: ");
void trackBall() {
// Get IR ball direction from seeker (on I2C address 0x08)
Wire.requestFrom(0x08, 2);
if (Wire.available() >= 2) {
int sensorNum = Wire.read(); // Sensor number (1-12)
int strength = Wire.read(); // Strength of the signal (0-255, 0 is closest)
Serial.print("Ball - Sensor: ");
Serial.print(sensorNum);
Serial.print(", Strength: ");
Serial.println(strength);
Serial.print("Heading: ");
Serial.print(heading.yaw);
Serial.print(",");
Serial.print(heading.pitch);
Serial.print(",");
Serial.print(heading.roll);
Serial.println();
Serial.print("Acceleration: ");
Serial.print(heading.x_accel);
Serial.print(",");
Serial.print(heading.y_accel);
Serial.print(",");
Serial.print(heading.z_accel);
Serial.println();
// Get Ultrasonic sensor data
long uS1 = uSensor1.MeasureInCentimeters();
Serial.print("Distance uS1: ");
Serial.print(uS1);
Serial.println(" cm");
long uS2 = uSensor2.MeasureInCentimeters();
Serial.print("Distance uS2: ");
Serial.print(uS2);
Serial.println(" cm");
long uS3 = uSensor3.MeasureInCentimeters();
Serial.print("Distance uS3: ");
Serial.print(uS3);
Serial.println(" cm");
// Get Pixy blocks
blocks = pixy.getBlocks();
if (blocks)
{
Serial.println("Detected blocks");
i++;
// Print every 50 frames to avoid overwhelming serial
if (i % 50 == 0)
{
// Print Pixy blocks
sprintf(buf, "Detected %d blocks:\n", blocks);
Serial.print(buf);
for (int j = 0; j < blocks; j++)
{
sprintf(buf, " block %d: ", j);
Serial.print(buf);
pixy.blocks[j].print();
}
Serial.println();
// Only process if we have a valid sensor number
if (sensorNum >= 1 && sensorNum <= 12) {
lastBallSensor = sensorNum;
lastBallStrength = strength;
lastBallDetectionTime = millis();
ballLost = false;
// Move based on which sensor sees the ball
moveBasedOnSensor(sensorNum, strength);
} else {
Serial.println("Invalid sensor number from IR seeker");
// If signal is invalid, check if we lost the ball
if (millis() - lastBallDetectionTime > SIGNAL_TIMEOUT) {
ballLost = true;
}
delay(250);
}
} else {
Serial.println("No data available from IR seeker");
// Check if we've lost the ball for too long
if (millis() - lastBallDetectionTime > SIGNAL_TIMEOUT) {
ballLost = true;
}
}
}
void searchForBall() {
Serial.println("Searching for ball...");
// If we previously detected the ball, turn toward that direction first
if (lastBallSensor != -1) {
// Use the last known direction to guide search
moveBasedOnSensor(lastBallSensor, 200); // Use medium strength value for searching
} else {
// Execute a search pattern - rotate slowly clockwise
// Use public methods instead of accessing private motor members
// This will rotate the robot clockwise to scan for the ball
motors.rotateToAngle(10); // Rotate a small amount (10 degrees)
delay(300); // Short rotation
motors.stop();
delay(300); // Pause to get sensor readings
}
}
void loop() {
static unsigned long lastDebugPrint = 0;
// Print debug info every second
if (millis() - lastDebugPrint > 1000) {
BNO08x_RVC_Data heading;
if (rvc.read(&heading)) {
Serial.print("IMU - Yaw: ");
Serial.print(heading.yaw);
Serial.print(", Pitch: ");
Serial.print(heading.pitch);
Serial.print(", Roll: ");
Serial.println(heading.roll);
}
lastDebugPrint = millis();
}
// Ball tracking or searching
if (!ballLost) {
trackBall();
} else {
searchForBall();
}
// Small delay to stabilize readings
delay(50);
}