131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/*
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* 英雄履带控制
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*/
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/* Includes ----------------------------------------------------------------- */
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#include <math.h>
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#include <stdint.h>
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#include <string.h>
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#include "track.h"
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#include "bsp/mm.h"
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#include "bsp/time.h"
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#include "component/filter/filter.h"
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#include "component/user_math.h"
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#include "module/chassis.h"
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/* Private typedef ---------------------------------------------------------- */
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/* Private define ----------------------------------------------------------- */
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/* Private macro ------------------------------------------------------------ */
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#define WHEEL_RADIUS 0.03f //驱动轮半径，单位米
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#define TRACK_RADIUS 1.0f //履带驱动轮半径，单位米
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/* Private variables -------------------------------------------------------- */
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/* Private function -------------------------------------------------------- */
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/* Exported functions ------------------------------------------------------- */
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uint8_t Track_Init(Track_t *t, Track_Params_t *param, float target_freq)
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{
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if (t == NULL || param == NULL) {
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return TRACK_ERR_NULL; // 参数错误
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}
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t->param = param;
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// 注册履带电机到CAN总线
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for (int i = 0; i < TRACK_MOTOR_NUM; i++) {
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MOTOR_RM_Register(&(t->param->motor[i]));
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}
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for (int i=0; i<TRACK_MOTOR_NUM; i++) {
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PID_Init(&t->pid[i], KPID_MODE_CALC_D, target_freq, ¶m->pid[i]);
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}
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PID_Init(&t->pid_w, KPID_MODE_CALC_D, target_freq, ¶m->pid_w);
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return TRACK_OK;
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}
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uint8_t Track_Control(Track_t *t, Track_CMD_t *cmd)
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{
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if (t == NULL || cmd == NULL) {
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return TRACK_ERR_NULL; // 参数错误
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}
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t->timer.now = BSP_TIME_Get_us()/1000000.0f;
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t->timer.dt = t->timer.now - t->timer.lask_wakeup/1000000.0f;
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t->timer.lask_wakeup = BSP_TIME_Get_us();
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t->middle_val.w=PID_Calc(&t->pid_w, 0, t->middle_val.seata, 0.0f, t->timer.dt);
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float fb=0;
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t->middle_val.mix_motor[0]=cmd->vel + 0.5f * t->middle_val.w;
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t->middle_val.mix_motor[1]=cmd->vel + 0.5f * t->middle_val.w;
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for (int i=0; i<TRACK_MOTOR_NUM; i++) {
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fb=t->motor[i].feedback.rotor_speed/TRACK_CMD_RPM_MAX/19.0f;
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t->output.currentOut[i] = PID_Calc(&t->pid[i], t->middle_val.mix_motor[i], fb, 0.0f, t->timer.dt);
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}
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return TRACK_OK;
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}
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uint8_t Track_AutoControl(Track_t *t, const Chassis_t *chassis)
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{
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if (t == NULL) {
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return TRACK_ERR_NULL; // 参数错误
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}
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t->timer.now = BSP_TIME_Get_us()/1000000.0f;
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t->timer.dt = t->timer.now - t->timer.lask_wakeup/1000000.0f;
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t->timer.lask_wakeup = BSP_TIME_Get_us();
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if (chassis->mode==CHASSIS_MODE_FOLLOW_GIMBAL||chassis->mode==CHASSIS_MODE_FOLLOW_GIMBAL_35)
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{
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float target_rpm[2];
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for (int i=0; i<TRACK_MOTOR_NUM; i++) {
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float rpm = (chassis->feedback.motor[i].rotor_speed + chassis->feedback.motor[i+1].rotor_speed)/2;
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target_rpm[i] = rpm*(WHEEL_RADIUS/TRACK_RADIUS);
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t->output.currentOut[i] = PID_Calc(&t->pid[i], target_rpm[i], t->motor[i].feedback.rotor_speed, 0.0f, t->timer.dt);
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}
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} else {
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for (int i=0; i<TRACK_MOTOR_NUM; i++) {
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t->output.currentOut[i] = 0.0f;
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}
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PID_Reset(t->pid);
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}
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return TRACK_OK;
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}
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uint8_t Track_UpdateFeedback(Track_t *t)
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{
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if (t == NULL) {
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return TRACK_ERR_NULL; // 参数错误
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}
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for (int i=0; i<TRACK_MOTOR_NUM; i++) {
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MOTOR_RM_Update(&t->param->motor[i]);
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MOTOR_RM_t *rm_motor = MOTOR_RM_GetMotor(&t->param->motor[i]);
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if (rm_motor != NULL) {
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t->motor[i] = *rm_motor;
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} else {
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// 电机离线或未注册，保持上次数据
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return TRACK_ERR_NULL;
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}
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}
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return TRACK_OK;
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}
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uint8_t Track_Output(Track_t *t) {
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if (t == NULL) {
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return TRACK_ERR_NULL; // 参数错误
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}
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// 设置所有履带电机的输出
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for (int i = 0; i < TRACK_MOTOR_NUM; i++) {
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MOTOR_RM_SetOutput(&t->param->motor[i], t->output.currentOut[i]);
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}
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// 发送控制帧：0x1FF控制0x205-0x208
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if (TRACK_MOTOR_NUM > 0) {
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MOTOR_RM_Ctrl(&t->param->motor[0]);
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}
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return TRACK_OK;
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}
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