| | |
| | | err = preferred_sign * abs_err; |
| | | state->last_turn_sign = preferred_sign; |
| | | |
| | | /* DEBUG: 输出滞后逻辑触发 */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] HYSTERESIS: pi_delta=%.4f old_err=%.4f new_err=%.4f sign=%.1f\r\n", |
| | | pi_delta, old_err, err, preferred_sign); |
| | | } |
| | | else if (abs_err > 1.0e-6f) |
| | | { |
| | |
| | | return mc_wrap_angle(math_deg * DEG2RAD); |
| | | } |
| | | |
| | | /* 搜索当前位置最近的路径点 */ |
| | | /* 判断车辆是否已经"到达"某个路径点 |
| | | * 标准:距离该点小于阈值(0.5米)即为到达 */ |
| | | static HIDO_BOOL mc_is_point_reached(const MC_State *state, HIDO_UINT32 point_idx) |
| | | { |
| | | if (point_idx >= state->path_count) |
| | | { |
| | | return HIDO_FALSE; |
| | | } |
| | | |
| | | float pos[2] = {state->pos[0], state->pos[1]}; |
| | | float point[2]; |
| | | mc_get_point(state, point_idx, point); |
| | | |
| | | float dist = mc_distance(pos, point); |
| | | |
| | | /* 定义"到达"阈值为0.5米 */ |
| | | const float REACH_THRESHOLD_M = 0.5f; |
| | | |
| | | return (dist < REACH_THRESHOLD_M) ? HIDO_TRUE : HIDO_FALSE; |
| | | } |
| | | |
| | | /* 搜索当前位置最近的路径点(只允许向前推进,必须到达才推进) |
| | | * 类似航点导航:必须先到达航点0,才能导航到航点1 */ |
| | | static HIDO_UINT32 mc_find_nearest(const MC_State *state) |
| | | { |
| | | float best_dist = 1.0e9f; |
| | | HIDO_UINT32 best_idx = state->nearest_index; |
| | | float pos[2] = {state->pos[0], state->pos[1]}; |
| | | HIDO_UINT32 current_idx = state->nearest_index; |
| | | |
| | | for (HIDO_UINT32 i = 0; i < state->path_count; i++) |
| | | /* 检查是否到达当前点 */ |
| | | if (mc_is_point_reached(state, current_idx) == HIDO_TRUE) |
| | | { |
| | | float point[2]; |
| | | mc_get_point(state, i, point); |
| | | float dist_sq = mc_distance_sq(point, pos); |
| | | if (dist_sq < best_dist) |
| | | /* 到达了,推进到下一个点(如果不是最后一个) */ |
| | | if (current_idx < state->path_count - 1U) |
| | | { |
| | | best_dist = dist_sq; |
| | | best_idx = i; |
| | | return current_idx + 1U; |
| | | } |
| | | } |
| | | return best_idx; |
| | | } |
| | | |
| | | /* 沿路径累积距离,直到达到前视目标 */ |
| | | /* 否则保持当前索引不变 */ |
| | | return current_idx; |
| | | } |
| | | |
| | | /* 沿路径累积距离,直到达到前视目标 |
| | | * 注意:lookahead点始终至少是start_idx的下一个点,确保顺序导航 */ |
| | | static HIDO_UINT32 mc_find_lookahead(const MC_State *state, HIDO_UINT32 start_idx, float lookahead_m) |
| | | { |
| | | float accum = 0.0f; |
| | | float current[2]; |
| | | mc_get_point(state, start_idx, current); |
| | | |
| | | for (HIDO_UINT32 i = start_idx; i < state->path_count - 1U; i++) |
| | | /* 如果已经是最后一个点,直接返回 */ |
| | | if (start_idx >= state->path_count - 1U) |
| | | { |
| | | float next[2]; |
| | | mc_get_point(state, i + 1U, next); |
| | | float seg = mc_distance(current, next); |
| | | accum += seg; |
| | | if (accum >= lookahead_m) |
| | | { |
| | | return i + 1U; |
| | | } |
| | | current[0] = next[0]; |
| | | current[1] = next[1]; |
| | | } |
| | | return state->path_count - 1U; |
| | | } |
| | | |
| | | /* lookahead点至少是start_idx的下一个点(顺序导航:必须先经过下一个点) */ |
| | | HIDO_UINT32 next_idx = start_idx + 1U; |
| | | |
| | | /* 简化逻辑:直接返回下一个点,确保按顺序访问每个航点 */ |
| | | return next_idx; |
| | | } |
| | | |
| | | /* 计算带符号横向误差(左正右负) */ |
| | | static float mc_cross_track_error(const MC_State *state, HIDO_UINT32 nearest_idx) |
| | | { |
| | |
| | | float vec_y = start_point[1] - state->pos[1]; |
| | | float dist = mc_distance(start_point, state->pos); |
| | | |
| | | /* DEBUG: 在调用atan2前输出参数 */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] ATAN2_IN: vec_y=%.6f vec_x=%.6f\r\n", vec_y, vec_x); |
| | | |
| | | /* 直接调用atan2f测试 */ |
| | | extern float atan2f(float y, float x); |
| | | float test_direct = atan2f(vec_y, vec_x); |
| | | HIDO_Debug2("[MC_DBG] Direct atan2f(vec_y, vec_x) = %.6f\r\n", test_direct); |
| | | |
| | | /* 使用新的DSP库API: arm_atan2_f32(y, x, result) */ |
| | | float desired_heading; |
| | | arm_status status = arm_atan2_f32(vec_y, vec_x, &desired_heading); |
| | | if (status != ARM_MATH_SUCCESS) { |
| | | HIDO_Debug2("[MC_DBG] WARNING: arm_atan2_f32 failed with status %d\r\n", status); |
| | | } |
| | | |
| | | /* DEBUG: 测试不同的输出方式 */ |
| | | float test_val = desired_heading; |
| | | int int_part = (int)test_val; |
| | | float frac_part = (test_val - (float)int_part) * 1000.0f; |
| | | HIDO_Debug2("[MC_DBG] ATAN2_OUT: arm_atan2_f32=%d.%03d rad\r\n", |
| | | int_part, (int)frac_part); |
| | | HIDO_Debug2("[MC_DBG] ATAN2_OUT: in degrees = %.2f\r\n", |
| | | desired_heading * RAD2DEG); |
| | | |
| | | /* 测试已知值 */ |
| | | float test_atan2; |
| | | arm_atan2_f32(1.0f, 1.0f, &test_atan2); |
| | | float test_direct2 = atan2f(1.0f, 1.0f); |
| | | HIDO_Debug2("[MC_DBG] TEST: arm_atan2(1,1)=%.6f atan2f(1,1)=%.6f (should be ~0.785)\r\n", |
| | | test_atan2, test_direct2); |
| | | out->target_heading_deg = mc_math_rad_to_compass_deg(desired_heading); |
| | | float heading_err = mc_heading_error_with_hysteresis(state, desired_heading); |
| | | float yaw_rate_cmd = state->config.heading_kp * heading_err; |
| | | yaw_rate_cmd = MC_CLAMP(yaw_rate_cmd, -state->config.max_turn_rate, state->config.max_turn_rate); |
| | | |
| | | /* DEBUG: 输出goto_start控制计算 */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] GOTO: pos=(%.2f,%.2f) tgt=(%.2f,%.2f) vec=(%.2f,%.2f) des_hdg_rad=%.4f\r\n", |
| | | state->pos[0], state->pos[1], start_point[0], start_point[1], |
| | | vec_x, vec_y, desired_heading); |
| | | HIDO_Debug2("[MC_DBG] GOTO: cur_hdg=%.2f tgt_hdg=%.2f err=%.4f turn_sign=%.1f yaw_cmd=%.4f\r\n", |
| | | mc_math_rad_to_compass_deg(state->heading_rad), |
| | | out->target_heading_deg, |
| | | heading_err, |
| | | state->last_turn_sign, |
| | | yaw_rate_cmd); |
| | | |
| | | float forward = 0.0f; |
| | | if (dist > state->config.start_pos_tolerance_m) |
| | | { |
| | |
| | | /* 阶段:纯追踪 + 航向/横向误差补偿 */ |
| | | static void mc_compute_follow_path(MC_State *state, float dt_s, MC_Output *out) |
| | | { |
| | | /* 安全检查:路径必须至少有1个点 */ |
| | | if (state->path_count == 0U) |
| | | { |
| | | out->forward_mps = 0.0f; |
| | | out->turn_rate = 0.0f; |
| | | out->active = HIDO_FALSE; |
| | | return; |
| | | } |
| | | |
| | | HIDO_UINT32 nearest_idx = mc_find_nearest(state); |
| | | |
| | | /* 安全检查:nearest_idx 必须在有效范围内 */ |
| | | if (nearest_idx >= state->path_count) |
| | | { |
| | | nearest_idx = state->path_count - 1U; |
| | | } |
| | | state->nearest_index = nearest_idx; |
| | | |
| | | float lookahead = state->config.lookahead_min_m; |
| | | float speed_ratio = MC_CLAMP(state->speed_mps / state->config.max_forward_mps, 0.0f, 1.0f); |
| | | lookahead += (state->config.lookahead_max_m - state->config.lookahead_min_m) * speed_ratio; |
| | | HIDO_UINT32 lookahead_idx = mc_find_lookahead(state, nearest_idx, lookahead); |
| | | |
| | | /* 安全检查:lookahead_idx 必须在有效范围内 */ |
| | | if (lookahead_idx >= state->path_count) |
| | | { |
| | | lookahead_idx = state->path_count - 1U; |
| | | } |
| | | state->lookahead_index = lookahead_idx; |
| | | |
| | | /* 调试:每20帧输出一次路径跟踪状态 */ |
| | | static HIDO_UINT32 s_path_log_idx = 0U; |
| | | static HIDO_UINT32 s_last_nearest = 0U; |
| | | static HIDO_UINT32 s_last_lookahead = 0U; |
| | | |
| | | /* 如果索引发生变化,立即输出LOG */ |
| | | HIDO_BOOL index_changed = (nearest_idx != s_last_nearest) || (lookahead_idx != s_last_lookahead); |
| | | |
| | | if ((s_path_log_idx++ % 20U) == 0U || index_changed == HIDO_TRUE) |
| | | { |
| | | float nearest_pt[2]; |
| | | mc_get_point(state, nearest_idx, nearest_pt); |
| | | float dist_to_nearest = mc_distance(nearest_pt, state->pos); |
| | | HIDO_BOOL reached = mc_is_point_reached(state, nearest_idx); |
| | | |
| | | /* 使用整数表示法打印浮点数 */ |
| | | int pos_x_int = (int)state->pos[0]; |
| | | int pos_x_frac = (int)(fabsf(state->pos[0] - pos_x_int) * 100); |
| | | int pos_y_int = (int)state->pos[1]; |
| | | int pos_y_frac = (int)(fabsf(state->pos[1] - pos_y_int) * 100); |
| | | int near_x_int = (int)nearest_pt[0]; |
| | | int near_x_frac = (int)(fabsf(nearest_pt[0] - near_x_int) * 100); |
| | | int near_y_int = (int)nearest_pt[1]; |
| | | int near_y_frac = (int)(fabsf(nearest_pt[1] - near_y_int) * 100); |
| | | int dn_int = (int)dist_to_nearest; |
| | | int dn_frac = (int)((dist_to_nearest - dn_int) * 100); |
| | | |
| | | if (index_changed == HIDO_TRUE) |
| | | { |
| | | HIDO_Debug2("[MC_PATH]CHG pos=(%d.%02d,%d.%02d) near=%u->%u look=%u->%u dn=%d.%02d reach=%d\r\n", |
| | | pos_x_int, pos_x_frac, pos_y_int, pos_y_frac, |
| | | s_last_nearest, nearest_idx, |
| | | s_last_lookahead, lookahead_idx, |
| | | dn_int, dn_frac, reached); |
| | | } |
| | | else |
| | | { |
| | | HIDO_Debug2("[MC_PATH] near=%u(%d.%02d,%d.%02d) look=%u dn=%d.%02d reach=%d\r\n", |
| | | nearest_idx, near_x_int, near_x_frac, near_y_int, near_y_frac, |
| | | lookahead_idx, |
| | | dn_int, dn_frac, reached); |
| | | } |
| | | |
| | | s_last_nearest = nearest_idx; |
| | | s_last_lookahead = lookahead_idx; |
| | | } |
| | | |
| | | float target[2]; |
| | | mc_get_point(state, lookahead_idx, target); |
| | | state->current_target_xy[0] = target[0]; |
| | |
| | | + state->config.xtrack_kp * cross_track; |
| | | yaw_rate_cmd = MC_CLAMP(yaw_rate_cmd, -state->config.max_turn_rate, state->config.max_turn_rate); |
| | | |
| | | /* DEBUG: 输出follow_path控制计算 */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] FOLLOW: cur_hdg=%.2f tgt_hdg=%.2f err=%.4f turn_sign=%.1f yaw_cmd=%.4f xtrack=%.3f\r\n", |
| | | mc_math_rad_to_compass_deg(state->heading_rad), |
| | | out->target_heading_deg, |
| | | heading_err, |
| | | state->last_turn_sign, |
| | | yaw_rate_cmd, |
| | | cross_track); |
| | | |
| | | float forward = state->config.base_speed_mps |
| | | - state->config.heading_speed_scale * fabsf(heading_err) |
| | | - state->config.xtrack_speed_scale * fabsf(cross_track); |
| | |
| | | _state->heading_rad = gps_heading_rad; |
| | | _state->heading_deg = mc_math_rad_to_compass_deg(_state->heading_rad); |
| | | |
| | | /* DEBUG: 输出GPS更新信息(包含弧度值以便调试) */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | float old_heading_rad = mc_compass_deg_to_math_rad(old_heading_deg); |
| | | HIDO_Debug2("[MC_DBG] GPS: old_hdg=%.2f(old_rad=%.6f) gps_hdg=%.2f(gps_rad=%.6f) new_hdg=%.2f(new_rad=%.6f)\r\n", |
| | | old_heading_deg, old_heading_rad, |
| | | _gprmi->m_fHeadingAngle, gps_heading_rad, |
| | | _state->heading_deg, _state->heading_rad); |
| | | _state->pitch_deg = _gprmi->m_fPitchAngle; |
| | | _state->roll_deg = _gprmi->m_fRollAngle; |
| | | _state->vel[0] = _gprmi->m_fEastVelocity; |
| | |
| | | _state->yaw_rate_rad = -(_gpimu->m_fGyroZ * DEG2RAD); |
| | | _state->imu_valid = HIDO_TRUE; |
| | | |
| | | /* DEBUG: 输出IMU更新信息 */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] IMU: GyroZ=%.2f deg/s, yaw_rate_rad=%.4f\r\n", |
| | | _gpimu->m_fGyroZ, _state->yaw_rate_rad); |
| | | } |
| | | |
| | | /* 入口:根据阶段计算控制量 */ |
| | |
| | | return; |
| | | } |
| | | |
| | | /* DEBUG: 输出计算开始状态(每50次输出一次,避免刷屏) */ |
| | | static HIDO_UINT32 dbg_counter = 0; |
| | | dbg_counter++; |
| | | if (dbg_counter % 50 == 0) |
| | | { |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] COMPUTE: pose_valid=%d imu_valid=%d dt=%.4f hdg=%.2f yaw_rate=%.4f\r\n", |
| | | _state->pose_valid, _state->imu_valid, _dt_s, |
| | | _state->heading_deg, _state->yaw_rate_rad); |
| | | } |
| | | |
| | | if (_state->imu_valid == HIDO_TRUE && _dt_s > 0.0f) |
| | | { |
| | | float old_heading_rad = _state->heading_rad; |
| | |
| | | float new_heading_rad = _state->heading_rad; |
| | | _state->heading_deg = mc_math_rad_to_compass_deg(_state->heading_rad); |
| | | |
| | | /* DEBUG: 输出积分过程(包含弧度值以便调试) */ |
| | | extern void HIDO_Debug2(const char *format, ...); |
| | | HIDO_Debug2("[MC_DBG] INTEG: dt=%.4f yaw_rate=%.4f delta_rad=%.6f old_rad=%.6f new_rad=%.6f old_hdg=%.2f new_hdg=%.2f delta_deg=%.2f\r\n", |
| | | _dt_s, _state->yaw_rate_rad, delta_rad, old_heading_rad, new_heading_rad, |
| | | old_heading_deg, _state->heading_deg, |
| | | _state->heading_deg - old_heading_deg); |
| | | (void)new_heading_rad; |
| | | } |
| | | |
| | | if (_state->stage == MC_STAGE_IDLE) |