184 lines
6.1 KiB
C
184 lines
6.1 KiB
C
#include "Chassis.h"
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#include "gpio.h"
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#include "user_math.h"
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#include "bsp_buzzer.h"
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#include "bsp_delay.h"
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/*
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机器人坐标系，向前x，右y，上yaw
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不同于nuc (前x，左y，上yaw)
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x
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--y
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*/
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static int8_t Chassis_SetCtrl(Chassis_t *c, CMD_t *ctrl) {
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if (c == NULL) return CHASSIS_ERR_NULL;
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if (ctrl->CMD_CtrlType == c->chassis_ctrl.ctrl && ctrl->CMD_mode == c->chassis_ctrl.mode)
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return CHASSIS_OK;
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c->chassis_ctrl.ctrl = ctrl->CMD_CtrlType;
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c->chassis_ctrl.mode = ctrl->CMD_mode;
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return CHASSIS_OK;
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}
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int8_t Chassis_UpdateFeedback(Chassis_t *c, const CAN_t *can) {
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if (c == NULL) return CHASSIS_ERR_NULL;
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if (can == NULL) return CHASSIS_ERR_NULL;
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for (uint8_t i = 0; i < 4; i++) {
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c->motorfeedback.rotor_rpm3508[i] = can->motor.chassis_motor3508.as_array[i].rotor_speed;
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c->motorfeedback.rotor_current3508[i] = can->motor.chassis_motor3508.as_array[i].torque_current;
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}
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return CHASSIS_OK;
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}
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int8_t Chassis_init(Chassis_t *c, const Chassis_Param_t *param, float target_freq) {
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if (c == NULL) return CHASSIS_ERR_NULL;
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c->param = param;
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for (int i = 0; i < 4; i++) {
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PID_init(&(c->pid.chassis_3508VecPID[i]), PID_POSITION_D, &(c->param->M3508_param));
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}
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PID_init(&(c->pid.chassis_PICKWzPID_HIGN), PID_POSITION, &(c->param->chassis_PICKWzPID_HIGN_param));
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PID_init(&(c->pid.chassis_PICKWzPID_LOW), PID_POSITION, &(c->param->chassis_PICKWzPID_LOW_param));
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PID_init(&(c->pid.sick_CaliforYPID), PID_POSITION, &(c->param->Sick_CaliYparam));
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PID_init(&(c->pid.sick_CaliforXPID), PID_POSITION, &(c->param->Sick_CaliXparam));
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LowPassFilter2p_Init(&(c->filled[0]), target_freq, 80.0f); // 角加速度滤波
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LowPassFilter2p_Init(&(c->filled[1]), target_freq, 80.0f); // w滤波
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LowPassFilter2p_Init(&(c->filled[2]), target_freq, 80.0f); // y滤波
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LowPassFilter2p_Init(&(c->filled[3]), target_freq, 80.0f); // x滤波
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return CHASSIS_OK;
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}
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fp32 gyro_kp = 1.0f;
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fp32 PIAN = 0;
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void Chassis_speed_calculate(Chassis_t *c, fp32 Vx, fp32 Vy, fp32 Vw) {
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fp64 Nor_Vx, Nor_Vy;
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normalize_vector(Vx, Vy, &Nor_Vx, &Nor_Vy);
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c->hopemotorout.OmniSpeedOut[0] = -Nor_Vx + Nor_Vy + Vw; // 右前
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c->hopemotorout.OmniSpeedOut[1] = -Nor_Vx - Nor_Vy + Vw; // 右后
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c->hopemotorout.OmniSpeedOut[2] = Nor_Vx - Nor_Vy + Vw; // 左后
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c->hopemotorout.OmniSpeedOut[3] = Nor_Vx + Nor_Vy + Vw; // 左前
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}
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int8_t Chassis_Control(Chassis_t *c, CMD_t *ctrl, CAN_Output_t *out) {
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if (c == NULL) return CHASSIS_ERR_NULL;
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if (ctrl == NULL) return CHASSIS_ERR_NULL;
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Chassis_SetCtrl(c, ctrl);
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// IMU加滤波修正
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c->pos088.bmi088.filtered_gyro.z = LowPassFilter2p_Apply(&(c->filled[0]), c->pos088.bmi088.gyro.z);
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switch (c->chassis_ctrl.ctrl) {
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case RCcontrol: // 手动控制
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/*
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在cmd里对数据进行处理 包括方向和油门
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6000为全向轮的倍率,遥控器坐标系和机器人坐标系不同
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*/
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c->NUC_send .send [0]=0;
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c->NUC_send .send [1]=0;
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c->NUC_send .send [2]=10;
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c->NUC_send .send [3]=100;
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switch (c->chassis_ctrl.mode) {
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case Normal:
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c->move_vec.Vw = ctrl->Vw * 6000;
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c->move_vec.Vx = ctrl->Vy * 6000;
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c->move_vec.Vy = ctrl->Vx * 6000;
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break;
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case Pitch:
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c->move_vec.Vw = 0;
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c->move_vec.Vx = 0;
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c->move_vec.Vy = 0;
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break;
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case UP_Adjust:
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c->move_vec.Vw = ctrl->Vw * 6000;
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c->move_vec.Vx = 0;
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c->move_vec.Vy = 0;
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break;
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default:
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c->move_vec.Vw = 0;
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c->move_vec.Vx = 0;
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c->move_vec.Vy = 0;
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break;
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}
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break;
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case AUTO: // 自动模式
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switch (c->chassis_ctrl.mode) {
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case AUTO_NAVI: // 自动雷达
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// 全向轮方向, 注意xy方向
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c->move_vec.Vw = ctrl->cmd_MID360.posw * 1000;
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c->move_vec.Vy = -ctrl->cmd_MID360.posy * 1000;
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c->move_vec.Vx = -ctrl->cmd_MID360.posx * 1000;
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abs_limit_fp(&c->move_vec.Vx, 2000.0f);
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abs_limit_fp(&c->move_vec.Vy, 2000.0f);
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abs_limit_fp(&c->move_vec.Vw, 2000.0f);
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c->NUC_send .send [0]=0;
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break;
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case AUTO_NAVI_Pitch:
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c->move_vec.Vw = 0;
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c->move_vec.Vy = 0;
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c->move_vec.Vx = 0;
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c->NUC_send .send [0]=1;
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break;
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case AUTO_NAVI_Adjust:
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c->move_vec.Vw = ctrl->Vw * 6000;
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c->move_vec.Vx = ctrl->Vy * 6000;
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c->move_vec.Vy = ctrl->Vx * 6000;
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c->NUC_send .send [0]=1;
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break;
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default:
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c->move_vec.Vw = 0;
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c->move_vec.Vx = 0;
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c->move_vec.Vy = 0;
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c->NUC_send .send [0]=0;
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break;
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}
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break;
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default:
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c->move_vec.Vw = 0;
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c->move_vec.Vx = 0;
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c->move_vec.Vy = 0;
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break;
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}
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// 电机速度限幅
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abs_limit_fp(&c->move_vec.Vx, 6000.0f);
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abs_limit_fp(&c->move_vec.Vy, 6000.0f);
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abs_limit_fp(&c->move_vec.Vw, 6000.0f);
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Chassis_speed_calculate(c, c->move_vec.Vx, c->move_vec.Vy, c->move_vec.Vw);
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for (uint8_t i = 0; i < 4; i++) {
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c->final_out.final_3508out[i] = PID_calc(&(c->pid.chassis_3508VecPID[i]),
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c->motorfeedback.rotor_rpm3508[i],
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c->hopemotorout.OmniSpeedOut[i]);
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out->motor_CHASSIS3508.as_array[i] = c->final_out.final_3508out[i];
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}
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c->NUC_send .send [1]=1;
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return CHASSIS_OK;
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}
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