搭建了chassis的框架
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@ -29,7 +29,8 @@
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"remote_control.h": "c",
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"gimbal_cmd.h": "c",
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"chassis_cmd.h": "c",
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"referee.h": "c"
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"referee.h": "c",
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"arm_math.h": "c"
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},
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"C_Cpp.default.configurationProvider": "ms-vscode.makefile-tools",
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}
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3
Makefile
3
Makefile
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@ -22,7 +22,8 @@ TARGET = basic_framework
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# debug build?
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DEBUG = 1
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# optimization
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OPT = -Og
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OPT = -O0 # O0避免没有使用到的变量被优化,如果没有特殊的调试需求请修改成-Og.
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# 为了更高的性能,正式上车不需要调试时修改成-O3
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#######################################
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@ -3,6 +3,13 @@
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#include "dji_motor.h"
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#include "super_cap.h"
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#include "message_center.h"
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#include "arm_math.h"
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#define OFFSET_X_CENTER //纵向轮距(前进后退方向)
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#define OFFSET_Y_CENTER //横向轮距(左右平移方向)
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#define RADIUS_WHEEL //轮子半径
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#define PERIMETER_WHEEL
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#define REDUCTION_RATIO 19
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/* 底盘应用包含的模块和信息存储 */
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#ifdef CHASSIS_BOARD // 使用板载IMU获取底盘转动角速度
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@ -16,15 +23,13 @@ static dji_motor_instance *lb;
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static dji_motor_instance *rb;
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static Publisher_t* chassis_pub;
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static Chassis_Upload_Data_s chassis_feedback_data;
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static Subscriber_t* chassis_sub;
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static Chassis_Ctrl_Cmd_s chassis_cmd_recv;
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static Subscriber_t* chassis_sub;
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static Chassis_Upload_Data_s chassis_feedback_data;
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// 将云台系的速度投影到底盘
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static float chassis_vx,chassis_vy;
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static void mecanum_calculate()
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{
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}
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void ChassisInit()
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{
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@ -144,7 +149,63 @@ void ChassisInit()
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chassis_pub=PubRegister("chassis_feed",sizeof(Chassis_Upload_Data_s));
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}
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void ChassisTask()
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/**
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* @brief 计算每个轮毂电机的输出,正运动学解算
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*
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*/
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static void MecanumCalculate()
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{
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}
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/**
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* @brief 根据每个轮子的速度反馈,计算底盘的实际运动速度,逆运动解算
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*
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*/
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static void EstimateSpeed()
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{
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}
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// chassis_cmd_recv chassis_feedback_data
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void ChassisTask()
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{
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// 后续增加没收到消息的处理
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// 获取新的控制信息
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SubGetMessage(chassis_sub,&chassis_cmd_recv);
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if(chassis_cmd_recv.chassis_cmd.chassis_mode==CHASSIS_ZERO_FORCE)
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{
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DJIMotorStop();
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}
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// 根据云台和底盘的角度offset将控制量映射到底盘坐标系上
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chassis_vx=chassis_cmd_recv.chassis_cmd.vx*arm_cos_f32(chassis_cmd_recv.chassis_cmd.offset_angle)-
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chassis_cmd_recv.chassis_cmd.vy*arm_sin_f32(chassis_cmd_recv.chassis_cmd.offset_angle);
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chassis_vy=chassis_cmd_recv.chassis_cmd.vx*arm_sin_f32(chassis_cmd_recv.chassis_cmd.offset_angle)-
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chassis_cmd_recv.chassis_cmd.vy*arm_cos_f32(chassis_cmd_recv.chassis_cmd.offset_angle);
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// 根据控制模式设定旋转速度
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switch (chassis_cmd_recv.chassis_cmd.chassis_mode)
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{
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case CHASSIS_NO_FOLLOW:
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chassis_cmd_recv.chassis_cmd.wz=0;
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break;
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case CHASSIS_FOLLOW_GIMBAL_YAW:
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chassis_cmd_recv.chassis_cmd.wz=0.05f*powf(chassis_cmd_recv.chassis_cmd.wz,2.0f); // 不开pid,以误差角平方为输出
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break;
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case CHASSIS_ROTATE:
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//chassis_cmd_recv.chassis_cmd.wz 当前维持定值,后续增加不规则的变速策略
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break;
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default:
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break;
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}
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//根据控制模式进行正运动学解算,计算底盘输出
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MecanumCalculate();
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//根据电机的反馈速度计算
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EstimateSpeed();
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PubPushMessage(chassis_pub,&chassis_feedback_data);
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}
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@ -34,5 +34,7 @@ void ChassisCMDInit()
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void ChassisCMDTask()
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{
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SubGetMessage(chassis_feed_sub,&chassis_fetch_data);
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SubGetMessage(gimbal2chassis_sub,&data_from_gimbal_cmd);
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}
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@ -5,6 +5,8 @@
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#include "message_center.h"
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#define YAW_ALIGN_ECD 0
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static attitude_t* Gimbal_IMU_data; // 云台IMU数据
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static dji_motor_instance* yaw_motor; // yaw电机
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static dji_motor_instance *pitch_motor; // pitch电机
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@ -178,7 +178,7 @@ uint8_t SubGetMessage(Subscriber_t *sub, void *data_ptr)
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return 1;
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}
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void PubPushMessage(Publisher_t *pub, void *data_ptr)
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uint8_t PubPushMessage(Publisher_t *pub, void *data_ptr)
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{
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Subscriber_t *iter = pub->first_subs; // iter作为订阅者指针,遍历订阅该事件的所有订阅者;如果为空说明遍历结束
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while (iter) // 遍历订阅了当前事件的所有订阅者,依次填入最新消息
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@ -195,4 +195,5 @@ void PubPushMessage(Publisher_t *pub, void *data_ptr)
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iter = iter->next_subs_queue; // 访问下一个订阅者
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}
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return 1;
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}
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@ -109,7 +109,8 @@ uint8_t SubGetMessage(Subscriber_t* sub,void* data_ptr);
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*
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* @param pub 发布者实例指针
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* @param data_ptr 指向要发布的数据的指针
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* @return uint8_t 新消息成功推送给几个订阅者
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*/
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void PubPushMessage(Publisher_t* pub,void* data_ptr);
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uint8_t PubPushMessage(Publisher_t* pub,void* data_ptr);
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@ -4,6 +4,7 @@
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#define ECD_ANGLE_COEF 0.043945f // 360/8192
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static uint8_t idx = 0; // register idx,是该文件的全局电机索引,在注册时使用
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static uint8_t stop_flag=0;
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/* DJI电机的实例,此处仅保存指针,内存的分配将通过电机实例初始化时通过malloc()进行 */
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static dji_motor_instance *dji_motor_info[DJI_MOTOR_CNT] = {NULL};
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@ -256,7 +257,16 @@ void DJIMotorControl()
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{
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if (sender_enable_flag[i])
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{
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if(stop_flag) // 如果紧急停止,将所有发送信息置零
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{
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memset(sender_assignment[i].tx_buff,0,8);
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}
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CANTransmit(&sender_assignment[i]);
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}
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}
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}
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void DJIMotorStop()
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{
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stop_flag=1;
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}
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@ -106,4 +106,10 @@ void DJIMotorChangeFeed(dji_motor_instance *motor, Closeloop_Type_e loop, Feedba
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void DJIMotorControl();
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/**
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* @brief 停止所有电机
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*
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*/
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void DJIMotorStop();
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#endif // !DJI_MOTOR_H
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