784 lines
25 KiB
C++
784 lines
25 KiB
C++
// -----------------------------------------------------------------------------
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// Copyright (c) 2024 Mu Shibo
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// Modify by Tommy
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// -----------------------------------------------------------------------------
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#include <esp_now.h>
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#include <WiFi.h>
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#include "main.h"
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/************实例定义*************/
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// 电机实例
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BLDCMotor motor1 = BLDCMotor(7);
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BLDCMotor motor2 = BLDCMotor(7);
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BLDCDriver3PWM driver1 = BLDCDriver3PWM(32, 33, 25, 22);
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BLDCDriver3PWM driver2 = BLDCDriver3PWM(26, 27, 14, 12);
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// 编码器实例
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TwoWire I2Cone = TwoWire(0);
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TwoWire I2Ctwo = TwoWire(1);
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MagneticSensorI2C sensor1 = MagneticSensorI2C(AS5600_I2C);
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MagneticSensorI2C sensor2 = MagneticSensorI2C(AS5600_I2C);
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// PID控制器实例
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PIDController pid_angle(1, 0, 0, 100000, 8);
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PIDController pid_gyro(0.06, 0, 0, 100000, 8);
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PIDController pid_distance(0.5, 0, 0, 100000, 8);
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PIDController pid_speed(0.7, 0, 0, 100000, 8);
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PIDController pid_yaw_angle(1.0, 0, 0, 100000, 8);
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PIDController pid_yaw_gyro(0.04, 0, 0, 100000, 8);
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PIDController pid_lqr_u(1, 15, 0, 100000, 8);
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PIDController pid_zeropoint(0.002, 0, 0, 100000, 4);
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PIDController pid_roll_angle(8, 0, 0, 100000, 450);
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// 低通滤波器实例
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LowPassFilter lpf_joyy(0.2);
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LowPassFilter lpf_zeropoint(0.1);
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LowPassFilter lpf_roll(0.3);
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void blinkLED();// 定义触发爆闪功能的函数
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// WebServer实例
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WebServer webserver; // server服务器
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WebSocketsServer websocket = WebSocketsServer(81); // 定义一个webSocket服务器来处理客户发送的消息
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RobotProtocol rp(20);
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// STS舵机实例
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SMS_STS sms_sts;
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// MPU6050实例
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MPU6050 mpu6050(I2Ctwo);
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/************参数定义*************/
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#define pi 3.1415927
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// LQR自平衡控制器参数
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float LQR_angle = 0;
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float LQR_gyro = 0;
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float LQR_speed = 0;
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float LQR_distance = 0;
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float angle_control = 0;
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float gyro_control = 0;
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float speed_control = 0;
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float distance_control = 0;
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float LQR_u = 0;
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float angle_zeropoint = 5; // 3.4 在理想平衡状态下俯仰角度,向前到正,向后倒负
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float distance_zeropoint = -256.0; // 轮部位移零点偏置(-256为一个不可能的位移值,将其作为未刷新的标志)
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// YAW轴控制数据
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float YAW_gyro = 0;
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float YAW_angle = 0;
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float YAW_angle_last = 0;
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float YAW_angle_total = 0;
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float YAW_angle_zero_point = -10;
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float YAW_output = 0;
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// 腿部舵机控制数据
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byte ID[2];
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s16 Position[2];
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u16 Speed[2];
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byte ACC[2];
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// 逻辑处理标志位
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float robot_speed = 0; // 记录当前轮部转速
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float robot_speed_last = 0; // 记录上一时刻的轮部转速
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int wrobot_move_stop_flag = 0; // 记录摇杆停止的标识
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int jump_flag = 0; // 跳跃时段标识
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float leg_position_add = 0; // roll轴平衡控制量
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int uncontrolable = 0; // 0未倒底,>0说明倒地了,机身倾角过大导致失控
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// 电压检测
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uint16_t bat_check_num = 0;
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int BAT_PIN = 35; // select the input pin for the ADC
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static esp_adc_cal_characteristics_t adc_chars;
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static const adc1_channel_t channel = ADC1_CHANNEL_7;
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static const adc_bits_width_t width = ADC_WIDTH_BIT_12;
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static const adc_atten_t atten = ADC_ATTEN_DB_11;
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static const adc_unit_t unit = ADC_UNIT_1;
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// 电量显示LED
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#define LED_BAT 13
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// 定义死区参数
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const int deadZone = 15;
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typedef struct {
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byte j1PotX; // 左摇杆X (0-255)
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byte j1PotY; // 左摇杆Y (0-255)
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byte j2PotX; // 右摇杆X (0-255)
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byte j2PotY; // 右摇杆Y (0-255)
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bool buttonR1; //底部右按键 1:true (默认),0:false
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bool buttonR2; //底部左按键 1:true (默认),0:false
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bool j1Button; //左摇杆按键 1:true (默认),0:false
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bool j2Button; //右摇杆按键 1:true (默认),0:false
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bool buttonLB; //顶部左按键 1:true (默认),0:false
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bool buttonRB; //顶部右按键 1:true (默认),0:false
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bool tSwitch1; //拨动开关 1:true (默认),0:false
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byte roll; //用于M5StackCore2或未来增加的陀螺仪功能
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byte pitch;
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bool buttonR3;
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} JoystickData;
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JoystickData remoteData;
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// 定义全局变量,用于记录上次 j1Button 的值
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bool lastButtonAPressed = false;
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// ESP-NOW接收回调函数
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void OnDataRecv(const uint8_t *mac, const uint8_t *incomingData, int len) {
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memcpy(&remoteData, incomingData, sizeof(remoteData));
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// Serial.print("j1PotX: ");
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// Serial.print(remoteData.j1PotX);
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// Serial.print(", j1PotY: ");
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// Serial.print(remoteData.j1PotY);
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// Serial.print(", j2PotX: ");
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// Serial.print(remoteData.j2PotX);
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// Serial.print(", j2PotY: ");
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// Serial.print(remoteData.j2PotY);
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// Serial.print(", j1Button: ");
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// Serial.print(remoteData.j1Button);
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// Serial.print(", j2Button: ");
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// Serial.println(remoteData.j2Button);
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// 转换摇杆值,范围从 0-255 转到 -100 到 100
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int convertedJ1PotX = (remoteData.j1PotX - 127.5) * (30.0 / 127.5); // 转到 -30 到 30
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// int convertedJ1PotY = static_cast<int>((1 - remoteData.j1PotY / 255.0) * (60 - 15) + 15); // 转到 60 到 15 y轴取反
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int convertedJ1PotY = static_cast<int>((1 - remoteData.j1PotY / 255.0) * (60 - 0) + 0); // 转到 60 到 0 y轴取反,这样可以使机身下降
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int convertedJ2PotX = (remoteData.j2PotX - 127.5) * (100.0 / 127.5); // 转到 -100 到 100
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int convertedJ2PotY = (remoteData.j2PotY - 127.5) * (100.0 / 127.5) * -1 * 1.2; // 转到 -100 到 100 y轴取反,放大
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// 取反按钮值,使得默认显示 0 false,按下显示 1 true
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int convertedJ1Button = !remoteData.j1Button;
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int convertedJ2Button = !remoteData.j2Button;
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// 跳跃
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if (convertedJ1Button) { // 1=true,0=false
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wrobot.dir = 5; // 跳跃
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}else{
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wrobot.dir = 4; // 停止
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}
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// led蓝灯爆闪
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if (lastButtonAPressed && !convertedJ2Button) {
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blinkLED();
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}
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// 更新上次 lastButtonAPressed 的值
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lastButtonAPressed = convertedJ2Button;
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if(abs(convertedJ1PotY) > deadZone) { // 上下高度 15 ~ 75
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wrobot.height = convertedJ1PotY;
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}else{
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wrobot.height = 0;
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}
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// Serial.print("convertedJ1PotY:");
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// Serial.print(convertedJ1PotY);
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// Serial.print(",wrobot.height:");
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// Serial.println(wrobot.height);
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if(abs(convertedJ1PotX) > deadZone) { // 左右摇摆 -30 ~ 30
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wrobot.roll = convertedJ1PotX;
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}else{
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wrobot.roll = 0;
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}
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if(abs(convertedJ2PotY) > deadZone) { // 前后运动 -100 到 100
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wrobot.joyy = convertedJ2PotY;
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}else{
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wrobot.joyy = 0;
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}
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if(abs(convertedJ2PotX) > deadZone) { // 左右运动 -100 到 100
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wrobot.joyx = convertedJ2PotX;
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} else {
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wrobot.joyx = 0;
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}
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}
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// 测试舵机
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// const int freq = 50; // PWM 信号频率
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// const int resolution = 8; // PWM 分辨率
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// const int MS90SPIN = 4; // 舵机引脚 从正面看右边
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// const int ledChannel = 0; // 使用的 LEDC 通道
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// void setupMS90S() {
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// pinMode(MS90SPIN, OUTPUT); // 设置 LED 引脚为输出
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// ledcSetup(ledChannel, freq, resolution); // 配置 LEDC 通道
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// ledcAttachPin(MS90SPIN, ledChannel); // 将引脚分配给通道
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// }
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// // 封装 loop 函数中的代码到新函数
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// void playMS90S() {
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// ledcWriteTone(ledChannel, 200); // 0
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// delay(1000); // 延迟 1 秒
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// ledcWriteTone(ledChannel, 350); // 90
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// delay(1000); // 延迟 1 秒
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// ledcWriteTone(ledChannel, 950); // 180
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// delay(1000); // 延迟 1 秒
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// }
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void setup()
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{
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Serial.begin(115200); // 通讯串口
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Serial2.begin(1000000); // 腿部sts舵机
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// setupMS90S(); // 测试舵机
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// Wifi初始化
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WiFi_SetAP();
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webserver.begin();
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webserver.on("/", HTTP_GET, basicWebCallback);
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websocket.begin();
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websocket.onEvent(webSocketEventCallback);
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// ESPNOW协议
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WiFi.mode(WIFI_MODE_STA); // 先设置为STA模式
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delay(100); // 短暂延迟
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// Serial.print("MAC Address: ");
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// Serial.println(WiFi.macAddress());
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// 初始化ESP-NOW
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WiFi.mode(WIFI_STA);
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if (esp_now_init() != ESP_OK) {
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Serial.println("Error initializing ESP-NOW");
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return;
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}
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esp_now_register_recv_cb(OnDataRecv);
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// 舵机初始化
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// 舵机有效行程450
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// 左侧舵机[2048+12+50,2048+12+450]
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// 左侧舵机[2048-12-50,2048-12-450]
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sms_sts.pSerial = &Serial2;
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ID[0] = 1;
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ID[1] = 2;
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ACC[0] = 30;
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ACC[1] = 30;
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Speed[0] = 300;
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Speed[1] = 300;
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Position[0] = 2048;
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Position[1] = 2048;
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// 舵机(ID1/ID2)以最高速度V=2400步/秒,加速度A=50(50*100步/秒^2),运行至各自的Position位置
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sms_sts.SyncWritePosEx(ID, 2, Position, Speed, ACC);
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// 电压检测
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adc_calibration_init();
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adc1_config_width(width);
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adc1_config_channel_atten(channel, atten);
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esp_adc_cal_characterize(unit, atten, width, 0, &adc_chars);
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// 电量显示LED
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pinMode(LED_BAT, OUTPUT);
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// 编码器设置
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I2Cone.begin(19, 18, 400000UL);
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I2Ctwo.begin(23, 5, 400000UL);
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sensor1.init(&I2Cone);
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sensor2.init(&I2Ctwo);
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// mpu6050设置
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mpu6050.begin();
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mpu6050.calcGyroOffsets(true);
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// 连接motor对象与编码器对象
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motor1.linkSensor(&sensor1);
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motor2.linkSensor(&sensor2);
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// 速度环PID参数
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motor1.PID_velocity.P = 0.05;
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motor1.PID_velocity.I = 1;
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motor1.PID_velocity.D = 0;
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motor2.PID_velocity.P = 0.05;
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motor2.PID_velocity.I = 1;
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motor2.PID_velocity.D = 0;
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// 驱动器设置
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motor1.voltage_sensor_align = 6;
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motor2.voltage_sensor_align = 6;
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driver1.voltage_power_supply = 8;
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driver2.voltage_power_supply = 8;
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driver1.init();
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driver2.init();
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// 连接motor对象与驱动器对象
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motor1.linkDriver(&driver1);
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motor2.linkDriver(&driver2);
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motor1.torque_controller = TorqueControlType::voltage;
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motor2.torque_controller = TorqueControlType::voltage;
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motor1.controller = MotionControlType::torque;
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motor2.controller = MotionControlType::torque;
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// monitor相关设置
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motor1.useMonitoring(Serial);
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motor2.useMonitoring(Serial);
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// 电机初始化
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motor1.init();
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motor1.initFOC();
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motor2.init();
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motor2.initFOC();
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delay(500);
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}
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// 用于判断跌倒方向
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// enum FallDirection {
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// NOT_FALLEN,
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// FORWARD_FALL,
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// BACKWARD_FALL
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// };
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// FallDirection fall_direction = NOT_FALLEN;
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void loop()
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{
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// playMS90S(); // 测试舵机
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bat_check(); // 电压检测
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web_loop(); // Web数据更新
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mpu6050.update(); // IMU数据更新
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lqr_balance_loop(); // lqr自平衡控制,更新LQR_u
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yaw_loop(); // yaw轴转向控制,更新YAW_output
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leg_loop(); // 腿部动作控制,控制舵机SyncWritePosEx,包括判断jump_loop
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// 记录上一次的遥控数据数据
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wrobot.dir_last = wrobot.dir;
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wrobot.joyx_last = wrobot.joyx;
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wrobot.joyy_last = wrobot.joyy;
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// 将自平衡计算输出转矩赋给电机
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motor1.target = (-0.5) * (LQR_u + YAW_output);
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motor2.target = (-0.5) * (LQR_u - YAW_output);
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// 倒地失控后关闭输出
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if (abs(LQR_angle) > 25.0f) // 角度大于25度,说明小车倒下了
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{
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uncontrolable = 1; // 倾斜角度大于25度,标记倒地
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// if (LQR_angle > 25.0f) {
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// fall_direction = FORWARD_FALL;
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// } else if (LQR_angle < -25.0f) {
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// fall_direction = BACKWARD_FALL;
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// }
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}
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if (uncontrolable != 0) // 倒地,延时200次程序循环,避免失控后继续输出
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{
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if (abs(LQR_angle) < 10.0f) // 角度小于10度,说明小车被扶起了
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{
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uncontrolable ++; // 倒地后,并被扶起,开始计数
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}
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if (uncontrolable > 150) // 倒地被扶起,计数超过150,说明平衡了,标记未倒地
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{
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uncontrolable = 0; // 标记未倒地
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// fall_direction = NOT_FALLEN;
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}
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// 还有一种可能,如果倒地,没有被扶起(角度大于10度),uncontrolable 一直等于1
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// --------未被扶起,向后倒地时的自动爬起逻辑
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// if (fall_direction == BACKWARD_FALL) {
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// // 轮子突然加速向后
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// motor1.target = 25.0; // 可根据实际情况调整
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// motor2.target = 25.0; // 可根据实际情况调整
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// } else {
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// 非向后倒地恢复状态,则关停电机输出
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motor1.target = 0;
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motor2.target = 0;
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leg_position_add = 0;
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// }
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// --------未被扶起end
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}
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// uncontrolable == 0 时,才能执行,否则target=0,电机没有输出
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// 迭代计算FOC相电压
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motor1.loopFOC();
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motor2.loopFOC();
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// 设置轮部电机输出
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motor1.move();
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motor2.move();
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} // ----------------- void loop()
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// lqr自平衡控制
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void lqr_balance_loop()
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{
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// LQR_distance,LQR_speed,LQR_angle,LQR_gyro 通过编码器或者mpu实际测得
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// angle_zeropoint,distance_zeropoint 角度零点和位置零点(在理想平衡状态下俯仰角度和位移目标值),用于和实际值做差,得到控制
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// angle_control , gyro_control , distance_control , speed_control : lqr 控制参数
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// LQR平衡算式,实际使用中为便于调参,讲算式分解为4个P控制,采用PIDController方法在commander中实时调试
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// QR_u = LQR_k1*(LQR_angle - angle_zeropoint)
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// + LQR_k2*LQR_gyro
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// + LQR_k3*(LQR_distance - distance_zeropoint)
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// + LQR_k4*LQR_speed;
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|
||
// 给负值是因为按照当前的电机接线,正转矩会向后转
|
||
// 编码器反馈shaft_angle,计算电机转轴角度平均数
|
||
LQR_distance = (-0.5) * (motor1.shaft_angle + motor2.shaft_angle);
|
||
// 编码器反馈实时角速度,计算电机转速平均数
|
||
LQR_speed = (-0.5) * (motor1.shaft_velocity + motor2.shaft_velocity);
|
||
LQR_angle = (float)mpu6050.getAngleY(); // pitch 角度,向前倒正数,向后倒负数
|
||
LQR_gyro = (float)mpu6050.getGyroY(); // pitch 角速度
|
||
// Serial.println(LQR_distance);
|
||
|
||
// 计算pitch的角度和角速度的pid控制值
|
||
// 实际pitch角度与零点的差值,目标值是零
|
||
// 计算角度误差,并通过 PID 控制器得到角度控制量
|
||
angle_control = pid_angle(LQR_angle - angle_zeropoint);
|
||
// 实际pitch 角速度与目标值的差值,目标值是零
|
||
// 通过 PID 控制器对角速度进行处理,得到角速度控制量
|
||
gyro_control = pid_gyro(LQR_gyro);
|
||
|
||
// 运动细节优化处理
|
||
if (wrobot.joyy != 0) // 有前后方向运动指令时的处理
|
||
{
|
||
distance_zeropoint = LQR_distance; // 位移零点重置
|
||
pid_lqr_u.error_prev = 0; // 输出积分清零
|
||
}
|
||
|
||
if ((wrobot.joyx_last != 0 && wrobot.joyx == 0) || (wrobot.joyy_last != 0 && wrobot.joyy == 0)) // 运动指令复零时的原地停车处理
|
||
{
|
||
wrobot_move_stop_flag = 1;
|
||
}
|
||
if ((wrobot_move_stop_flag == 1) && (abs(LQR_speed) < 0.5))
|
||
{
|
||
distance_zeropoint = LQR_distance; // 位移零点重置
|
||
wrobot_move_stop_flag = 0;
|
||
}
|
||
|
||
if (abs(LQR_speed) > 15) // 被快速推动时的原地停车处理
|
||
{
|
||
distance_zeropoint = LQR_distance; // 位移零点重置
|
||
}
|
||
|
||
// 计算pitch的角度和角速度的pid控制值
|
||
// 电机转轴角度平均数(上面计算)-位移零点=实际位移与零点的差值, 目标值是零
|
||
// 计算位移误差,并通过位移 PID 控制器得到位移控制量
|
||
distance_control = pid_distance(LQR_distance - distance_zeropoint);
|
||
// 电机转速平均数(上面计算)-速度目标值=实际转速与目标值的差值, 目标值是零
|
||
// 计算速度误差(实际速度减去经过低通滤波和缩放后的遥控器期望速度),并通过速度 PID 控制器得到速度控制量
|
||
speed_control = pid_speed(LQR_speed - 0.1 * lpf_joyy(wrobot.joyy));
|
||
|
||
// 轮部离地检测
|
||
robot_speed_last = robot_speed; // 记录连续两次的轮部转速
|
||
robot_speed = LQR_speed;
|
||
// 若轮部角速度、角加速度过大或处于跳跃后的恢复时期,认为出现轮部离地现象,需要特殊处理
|
||
// 轮部离地情况下,对轮部分量不输出;反之,正常状态下完整输出平衡转矩
|
||
if (abs(robot_speed - robot_speed_last) > 10 || abs(robot_speed) > 50 || (jump_flag != 0))
|
||
{
|
||
distance_zeropoint = LQR_distance; // 位移零点重置
|
||
LQR_u = angle_control + gyro_control; // 轮部离地情况下,对轮部分量不输出;反之,正常状态下完整输出平衡转矩
|
||
pid_lqr_u.error_prev = 0; // 输出积分清零
|
||
}
|
||
else
|
||
{
|
||
// 当轮部未离地时,LQR_u 包含:角度控制量、角速度控制量、位移控制量和速度控制量,以实现完整的自平衡控制
|
||
LQR_u = angle_control + gyro_control + distance_control + speed_control;
|
||
// 计算得到LQR_u在loop()函数中在几个子loop执行完,被motor1执行
|
||
|
||
}
|
||
|
||
// 触发条件:遥控器无信号输入、轮部位移控制正常介入、不处于跳跃后的恢复时期
|
||
if (abs(LQR_u) < 5 && wrobot.joyy == 0 && abs(distance_control) < 4 && (jump_flag == 0))
|
||
{
|
||
|
||
LQR_u = pid_lqr_u(LQR_u); // 小转矩非线性补偿
|
||
// Serial.println(LQR_u);
|
||
|
||
// lpf_zeropoint 是一个低通滤波器,对 distance_control 进行滤波处理,减少高频噪声的影响。
|
||
// 然后,将滤波后的 distance_control 作为输入,通过 pid_zeropoint 控制器进行进一步处理。
|
||
// angle_zeropoint -= ...:将计算得到的调整量从 angle_zeropoint 中减去,实现重心自适应调整。
|
||
// angle_zeropoint 是预设的角度零点,调整它可以让小车更好地适应不同的重心位置。
|
||
angle_zeropoint -= pid_zeropoint(lpf_zeropoint(distance_control)); // 重心自适应
|
||
}
|
||
else
|
||
{
|
||
pid_lqr_u.error_prev = 0; // 输出积分清零
|
||
}
|
||
|
||
// 平衡控制参数自适应
|
||
if (wrobot.height < 50)
|
||
{
|
||
pid_speed.P = 0.7;
|
||
}
|
||
else if (wrobot.height < 64)
|
||
{
|
||
pid_speed.P = 0.6;
|
||
}
|
||
else
|
||
{
|
||
pid_speed.P = 0.5;
|
||
}
|
||
|
||
}
|
||
|
||
// 腿部动作控制(舵机)
|
||
void leg_loop()
|
||
{
|
||
jump_loop();
|
||
if (jump_flag == 0) // 不处于跳跃状态
|
||
{
|
||
// 舵机加速度
|
||
ACC[0] = 8;
|
||
ACC[1] = 8;
|
||
|
||
// 舵机速度
|
||
// Speed[0] = 200;
|
||
// Speed[1] = 200;
|
||
Speed[0] = 300;
|
||
Speed[1] = 300;
|
||
float roll_angle = (float)mpu6050.getAngleX() + 2.0;
|
||
leg_position_add = pid_roll_angle(lpf_roll(roll_angle)); // test
|
||
|
||
int roll_offset = wrobot.roll;
|
||
int left_height, right_height;
|
||
|
||
// 转弯倾斜效果
|
||
// if (wrobot.joyx > 10) { // 向右转弯
|
||
// left_height = wrobot.height + wrobot.joyx * 0.1; // 左腿抬高
|
||
// right_height = wrobot.height;
|
||
|
||
// } else if (wrobot.joyx < -10) { // 向左转弯
|
||
// left_height = wrobot.height;
|
||
// right_height = wrobot.height - wrobot.joyx * 0.1; // 右腿抬高
|
||
|
||
// } else { // 正常情况
|
||
|
||
// Serial.print("roll_offset: ");
|
||
// Serial.println(roll_offset);
|
||
|
||
// 如果控制了 roll 角度,则调整左右脚的高度
|
||
// 计算三角函数值
|
||
float angleRad = abs(roll_offset) * (pi / 180.0); // 将角度转换为弧度
|
||
float heightAdjust = 30 * sin(angleRad); // 小车宽度的一半是30毫米,抬高的高度是30毫米*sin(弧度)
|
||
float RollOffset = 18; // 所以水平高度需要加上调整高度,否则向下倾斜无法向下了
|
||
if (roll_offset > 10) {
|
||
// 正数,左脚高度 60,右脚高度 40
|
||
// 因为车身高度最小32,所以水平高度需要加上调整高度15,否则线下倾斜无法向下了
|
||
left_height = wrobot.height + RollOffset + heightAdjust;
|
||
right_height = wrobot.height + RollOffset - heightAdjust;
|
||
leg_position_add = 0;
|
||
} else if (roll_offset < -10) {
|
||
// 负数,左脚高度 40,右脚高度 60
|
||
left_height = wrobot.height + RollOffset - heightAdjust;
|
||
right_height = wrobot.height + RollOffset + heightAdjust;
|
||
leg_position_add = 0;
|
||
} else { // 未控制 roll 角度
|
||
// roll 为 0,左右恢复到同一高度
|
||
left_height = wrobot.height;
|
||
right_height = wrobot.height;
|
||
}
|
||
// }
|
||
|
||
// 根据新的高度计算舵机位置
|
||
// id 1 [0] 正面看右手,id 2 正面看左手 [1]
|
||
// 舵机id 1:1900(机身最矮) 2400(机身最高)
|
||
// 舵机id 2:2300(机身最矮) 1800(机身最高)
|
||
// 2048是舵机中间位置,12是微调偏移量,8.4是系数,32是默认高度,最高80,最低32
|
||
Position[0] = 2048 + 12 + 8.4 * (left_height - 32) - leg_position_add;
|
||
Position[1] = 2048 - 12 - 8.4 * (right_height - 32) - leg_position_add;
|
||
// Position[0] = 2048 + 12 + 8.4 * (left_height - 52) - leg_position_add; // -52 机身下降20
|
||
// Position[1] = 2048 - 12 - 8.4 * (right_height - 52) - leg_position_add;
|
||
// Position[0] = 2048 + 12 + 8.4 * (left_height - 0) - leg_position_add; // 不减32 机身高度默认抬高32
|
||
// Position[1] = 2048 - 12 - 8.4 * (right_height - 0) - leg_position_add;
|
||
|
||
// Serial.print("left_height: ");
|
||
// Serial.print(left_height);
|
||
// Serial.print(", right_height: ");
|
||
// Serial.print(right_height);
|
||
// Serial.print(", leg_position_add: ");
|
||
// Serial.println(leg_position_add);
|
||
|
||
|
||
// 限制舵机位置范围
|
||
if (Position[0] < 1900) // 舵机1最低
|
||
Position[0] = 1900;
|
||
else if (Position[0] > 2400) // 舵机1最高
|
||
Position[0] = 2400;
|
||
|
||
if (Position[1] < 1800) // 舵机2最高
|
||
Position[1] = 1800;
|
||
else if (Position[1] > 2300) // 舵机2最底(和舵机1方向是反的)
|
||
Position[1] = 2300;
|
||
|
||
sms_sts.SyncWritePosEx(ID, 2, Position, Speed, ACC);
|
||
}
|
||
}
|
||
|
||
// 跳跃控制
|
||
void jump_loop()
|
||
{ // 5=JUMP,4=STOP 上次动作是跳跃5,本次是停止0,才开始跳,因为可能连续发送了很多5跳跃指令,只执行最后一次
|
||
if ((wrobot.dir_last == 5) && (wrobot.dir == 4) && (jump_flag == 0))
|
||
{ // 跳跃开始
|
||
ACC[0] = 0;
|
||
ACC[1] = 0;
|
||
Speed[0] = 0;
|
||
Speed[1] = 0;
|
||
Position[0] = 2048 + 12 + 8.4 * (60 - 32); // 值越大,腿伸的越长,原来80 改为60降低腿部高度,即车重心
|
||
Position[1] = 2048 - 12 - 8.4 * (60 - 32);
|
||
sms_sts.SyncWritePosEx(ID, 2, Position, Speed, ACC);
|
||
|
||
jump_flag = 1;
|
||
}
|
||
if (jump_flag > 0) // 跳跃中,等待30帧,对应上面设置 jump_flag = 1;
|
||
{
|
||
jump_flag++;
|
||
if ((jump_flag > 30) && (jump_flag < 35))
|
||
{
|
||
ACC[0] = 0;
|
||
ACC[1] = 0;
|
||
Speed[0] = 0;
|
||
Speed[1] = 0;
|
||
Position[0] = 2048 + 12 + 8.4 * (35 - 32); // 降低腿部高度,即车重心
|
||
Position[1] = 2048 - 12 - 8.4 * (35 - 32);
|
||
sms_sts.SyncWritePosEx(ID, 2, Position, Speed, ACC);
|
||
|
||
jump_flag = 40;
|
||
}
|
||
if (jump_flag > 200)
|
||
{
|
||
jump_flag = 0; // 跳跃过程结束
|
||
}
|
||
}
|
||
}
|
||
|
||
// yaw轴转向控制 (转向控制)
|
||
void yaw_loop()
|
||
{
|
||
// YAW_output = 0.03*(YAW_Kp*YAW_angle_total + YAW_Kd*YAW_gyro);
|
||
yaw_angle_addup();
|
||
|
||
YAW_angle_total += wrobot.joyx * 0.008; // 0.002
|
||
float yaw_angle_control = pid_yaw_angle(YAW_angle_total);
|
||
float yaw_gyro_control = pid_yaw_gyro(YAW_gyro);
|
||
// yaw 轴的角度和角速度数据进行了 PID 控制,得到 yaw_angle_control 和 yaw_gyro_control。
|
||
// 然后,将这两个控制量相加,得到最终的 YAW_output。
|
||
YAW_output = yaw_angle_control + yaw_gyro_control;
|
||
}
|
||
|
||
// Web数据更新
|
||
void web_loop()
|
||
{
|
||
webserver.handleClient();
|
||
websocket.loop();
|
||
rp.spinOnce(); // 更新web端回传的控制信息
|
||
}
|
||
|
||
// yaw轴角度累加函数
|
||
void yaw_angle_addup()
|
||
{
|
||
YAW_angle = (float)mpu6050.getAngleZ();
|
||
YAW_gyro = (float)mpu6050.getGyroZ();
|
||
|
||
if (YAW_angle_zero_point == (-10))
|
||
{
|
||
YAW_angle_zero_point = YAW_angle;
|
||
}
|
||
|
||
float yaw_angle_1, yaw_angle_2, yaw_addup_angle;
|
||
if (YAW_angle > YAW_angle_last)
|
||
{
|
||
yaw_angle_1 = YAW_angle - YAW_angle_last;
|
||
yaw_angle_2 = YAW_angle - YAW_angle_last - 2 * PI;
|
||
}
|
||
else
|
||
{
|
||
yaw_angle_1 = YAW_angle - YAW_angle_last;
|
||
yaw_angle_2 = YAW_angle - YAW_angle_last + 2 * PI;
|
||
}
|
||
|
||
if (abs(yaw_angle_1) > abs(yaw_angle_2))
|
||
{
|
||
yaw_addup_angle = yaw_angle_2;
|
||
}
|
||
else
|
||
{
|
||
yaw_addup_angle = yaw_angle_1;
|
||
}
|
||
|
||
YAW_angle_total = YAW_angle_total + yaw_addup_angle;
|
||
YAW_angle_last = YAW_angle;
|
||
}
|
||
|
||
void basicWebCallback(void)
|
||
{
|
||
webserver.send(300, "text/html", basic_web);
|
||
}
|
||
|
||
void webSocketEventCallback(uint8_t num, WStype_t type, uint8_t *payload, size_t length)
|
||
{
|
||
if (type == WStype_TEXT)
|
||
{
|
||
String payload_str = String((char *)payload);
|
||
StaticJsonDocument<300> doc;
|
||
DeserializationError error = deserializeJson(doc, payload_str);
|
||
|
||
String mode_str = doc["mode"];
|
||
if (mode_str == "basic")
|
||
{
|
||
rp.parseBasic(doc);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 电压检测初始化
|
||
void adc_calibration_init()
|
||
{
|
||
if (esp_adc_cal_check_efuse(ESP_ADC_CAL_VAL_EFUSE_TP) == ESP_OK)
|
||
{
|
||
printf("eFuse Two Point: Supported\n");
|
||
}
|
||
else
|
||
{
|
||
printf("eFuse Two Point: NOT supported\n");
|
||
}
|
||
// Check Vref is burned into eFuse
|
||
if (esp_adc_cal_check_efuse(ESP_ADC_CAL_VAL_EFUSE_VREF) == ESP_OK)
|
||
{
|
||
printf("eFuse Vref: Supported\n");
|
||
}
|
||
else
|
||
{
|
||
printf("eFuse Vref: NOT supported\n");
|
||
}
|
||
}
|
||
|
||
// 电压检测
|
||
void bat_check()
|
||
{
|
||
if (bat_check_num > 1000)
|
||
{
|
||
// 电压读取
|
||
uint32_t sum = 0;
|
||
sum = analogRead(BAT_PIN);
|
||
uint32_t voltage = esp_adc_cal_raw_to_voltage(sum, &adc_chars);
|
||
double battery = (voltage * 3.97) / 1000.0;
|
||
|
||
// Serial.println(battery);
|
||
// 电量显示
|
||
if (battery > 7.8)
|
||
digitalWrite(LED_BAT, HIGH);
|
||
else
|
||
digitalWrite(LED_BAT, LOW);
|
||
|
||
bat_check_num = 0;
|
||
}
|
||
else
|
||
bat_check_num++;
|
||
}
|
||
|
||
// 封装LED闪烁函数
|
||
void blinkLED() {
|
||
const int flashInterval = 200; // 闪烁间隔时间,单位毫秒
|
||
const int flashTimes = 2; // 闪烁次数
|
||
for (int i = 0; i < flashTimes; ++i) {
|
||
digitalWrite(LED_BAT, LOW); // 熄灭LED
|
||
delay(flashInterval);
|
||
digitalWrite(LED_BAT, HIGH); // 点亮LED
|
||
delay(flashInterval);
|
||
}
|
||
} |