154 lines
6.4 KiB
C
154 lines
6.4 KiB
C
#include "gimbal.h"
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#include "robot_def.h"
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#include "dji_motor.h"
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#include "ins_task.h"
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#include "message_center.h"
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#include "general_def.h"
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#include "bmi088.h"
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static attitude_t *gimba_IMU_data; // 云台IMU数据
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static DJIMotorInstance *yaw_motor, *pitch_motor;
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static Publisher_t *gimbal_pub; // 云台应用消息发布者(云台反馈给cmd)
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static Subscriber_t *gimbal_sub; // cmd控制消息订阅者
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static Gimbal_Upload_Data_s gimbal_feedback_data; // 回传给cmd的云台状态信息
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static Gimbal_Ctrl_Cmd_s gimbal_cmd_recv; // 来自cmd的控制信息
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void GimbalInit()
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{
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gimba_IMU_data = INS_Init(); // IMU先初始化,获取姿态数据指针赋给yaw电机的其他数据来源
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// YAW
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Motor_Init_Config_s yaw_config = {
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.can_init_config = {
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.can_handle = &hcan1,
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.tx_id = 1,
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},
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.controller_param_init_config = {
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.angle_PID = {
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.Kp = 8, // 8
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.Ki = 0,
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.Kd = 0,
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.DeadBand = 0.1,
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.Improve = PID_Trapezoid_Intergral | PID_Integral_Limit | PID_Derivative_On_Measurement,
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.IntegralLimit = 100,
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.MaxOut = 500,
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},
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.speed_PID = {
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.Kp = 50, // 50
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.Ki = 200, // 200
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.Kd = 0,
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.Improve = PID_Trapezoid_Intergral | PID_Integral_Limit | PID_Derivative_On_Measurement,
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.IntegralLimit = 3000,
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.MaxOut = 20000,
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},
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.other_angle_feedback_ptr = &gimba_IMU_data->YawTotalAngle,
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// 还需要增加角速度额外反馈指针,注意方向,ins_task.md中有c板的bodyframe坐标系说明
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.other_speed_feedback_ptr = &gimba_IMU_data->Gyro[2],
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},
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.controller_setting_init_config = {
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.angle_feedback_source = OTHER_FEED,
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.speed_feedback_source = OTHER_FEED,
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.outer_loop_type = ANGLE_LOOP,
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.close_loop_type = ANGLE_LOOP | SPEED_LOOP,
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.motor_reverse_flag = MOTOR_DIRECTION_NORMAL,
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},
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.motor_type = GM6020};
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// PITCH
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Motor_Init_Config_s pitch_config = {
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.can_init_config = {
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.can_handle = &hcan2,
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.tx_id = 2,
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},
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.controller_param_init_config = {
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.angle_PID = {
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.Kp = 10, // 10
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.Ki = 0,
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.Kd = 0,
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.Improve = PID_Trapezoid_Intergral | PID_Integral_Limit | PID_Derivative_On_Measurement,
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.IntegralLimit = 100,
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.MaxOut = 500,
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},
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.speed_PID = {
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.Kp = 50, // 50
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.Ki = 350, // 350
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.Kd = 0, // 0
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.Improve = PID_Trapezoid_Intergral | PID_Integral_Limit | PID_Derivative_On_Measurement,
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.IntegralLimit = 2500,
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.MaxOut = 20000,
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},
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.other_angle_feedback_ptr = &gimba_IMU_data->Pitch,
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// 还需要增加角速度额外反馈指针,注意方向,ins_task.md中有c板的bodyframe坐标系说明
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.other_speed_feedback_ptr = (&gimba_IMU_data->Gyro[0]),
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},
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.controller_setting_init_config = {
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.angle_feedback_source = OTHER_FEED,
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.speed_feedback_source = OTHER_FEED,
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.outer_loop_type = ANGLE_LOOP,
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.close_loop_type = SPEED_LOOP | ANGLE_LOOP,
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.motor_reverse_flag = MOTOR_DIRECTION_NORMAL,
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},
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.motor_type = GM6020,
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};
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// 电机对total_angle闭环,上电时为零,会保持静止,收到遥控器数据再动
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yaw_motor = DJIMotorInit(&yaw_config);
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pitch_motor = DJIMotorInit(&pitch_config);
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gimbal_pub = PubRegister("gimbal_feed", sizeof(Gimbal_Upload_Data_s));
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gimbal_sub = SubRegister("gimbal_cmd", sizeof(Gimbal_Ctrl_Cmd_s));
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}
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/* 机器人云台控制核心任务,后续考虑只保留IMU控制,不再需要电机的反馈 */
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void GimbalTask()
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{
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// 获取云台控制数据
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// 后续增加未收到数据的处理
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SubGetMessage(gimbal_sub, &gimbal_cmd_recv);
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// @todo:现在已不再需要电机反馈,实际上可以始终使用IMU的姿态数据来作为云台的反馈,yaw电机的offset只是用来跟随底盘
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// 根据控制模式进行电机反馈切换和过渡,视觉模式在robot_cmd模块就已经设置好,gimbal只看yaw_ref和pitch_ref
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switch (gimbal_cmd_recv.gimbal_mode)
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{
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// 停止
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case GIMBAL_ZERO_FORCE:
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DJIMotorStop(yaw_motor);
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DJIMotorStop(pitch_motor);
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break;
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// 使用陀螺仪的反馈,底盘根据yaw电机的offset跟随云台或视觉模式采用
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case GIMBAL_GYRO_MODE: // 后续只保留此模式
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DJIMotorEnable(yaw_motor);
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DJIMotorEnable(pitch_motor);
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DJIMotorChangeFeed(yaw_motor, ANGLE_LOOP, OTHER_FEED);
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DJIMotorChangeFeed(yaw_motor, SPEED_LOOP, OTHER_FEED);
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DJIMotorChangeFeed(pitch_motor, ANGLE_LOOP, OTHER_FEED);
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DJIMotorChangeFeed(pitch_motor, SPEED_LOOP, OTHER_FEED);
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DJIMotorSetRef(yaw_motor, gimbal_cmd_recv.yaw); // yaw和pitch会在robot_cmd中处理好多圈和单圈
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DJIMotorSetRef(pitch_motor, gimbal_cmd_recv.pitch);
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break;
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// 云台自由模式,使用编码器反馈,底盘和云台分离,仅云台旋转,一般用于调整云台姿态(英雄吊射等)/能量机关
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case GIMBAL_FREE_MODE: // 后续删除,或加入云台追地盘的跟随模式(响应速度更快)
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DJIMotorEnable(yaw_motor);
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DJIMotorEnable(pitch_motor);
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DJIMotorChangeFeed(yaw_motor, ANGLE_LOOP, OTHER_FEED);
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DJIMotorChangeFeed(yaw_motor, SPEED_LOOP, OTHER_FEED);
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DJIMotorChangeFeed(pitch_motor, ANGLE_LOOP, OTHER_FEED);
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DJIMotorChangeFeed(pitch_motor, SPEED_LOOP, OTHER_FEED);
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DJIMotorSetRef(yaw_motor, gimbal_cmd_recv.yaw); // yaw和pitch会在robot_cmd中处理好多圈和单圈
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DJIMotorSetRef(pitch_motor, gimbal_cmd_recv.pitch);
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break;
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default:
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break;
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}
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// 在合适的地方添加pitch重力补偿前馈力矩
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// 根据IMU姿态/pitch电机角度反馈计算出当前配重下的重力矩
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// ...
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// 设置反馈数据,主要是imu和yaw的ecd
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gimbal_feedback_data.gimbal_imu_data = *gimba_IMU_data;
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gimbal_feedback_data.yaw_motor_single_round_angle = yaw_motor->measure.angle_single_round;
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// 推送消息
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PubPushMessage(gimbal_pub, (void *)&gimbal_feedback_data);
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} |