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| """
传统IMS: 独立ECU，CAN总线通信
→ DMS ECU → CAN → 仪表盘ECU → 显示警告
SOA IMS: 中央计算上的微服务
→ DMS Service → SOME/IP → HMI Service → 显示
→ DMS Service → SOME/IP → ADAS Service → 增强车道保持
→ DMS Service → SOME/IP → Cabin AI Agent → 自动干预
"""
class IMSServiceInterface:
"""
IMS SOA 服务接口定义
面向服务架构中，IMS以标准接口提供服务
其他服务可以订阅IMS数据或调用IMS功能
"""
SERVICE_INTERFACE = {
'driver_state': {
'description': '驾驶员状态服务',
'publish_frequency': '10Hz',
'data': {
'fatigue_level': 'float [0-1]',
'distraction_level': 'float [0-1]',
'gaze_zone': 'enum [road/left/right/down/center]',
'head_pose': 'struct {yaw, pitch, roll}',
'blink_rate': 'float [per minute]',
'perclos': 'float [%]',
},
'subscribers': ['HMI', 'ADAS', 'Cabin AI Agent'],
},
'occupant_state': {
'description': '乘员状态服务',
'publish_frequency': '5Hz',
'data': {
'occupant_count': 'int',
'occupants': [{
'seat_id': 'enum',
'type': 'enum [adult/child/empty]',
'posture': 'enum [normal/recline/side/forward_lean]',
'belt_status': 'enum [fastened/loose/incorrect/unfastened]',
}],
},
'subscribers': ['HMI', 'Restraint Controller', 'Cabin AI Agent'],
},
'health_vitals': {
'description': '生命体征服务（Phase 2）',
'publish_frequency': '1Hz',
'data': {
'heart_rate': 'float [bpm]',
'breathing_rate': 'float [per minute]',
'spo2': 'float [%]',
'stress_level': 'enum [low/moderate/high]',
},
'subscribers': ['HMI', 'Emergency Service', 'Cabin AI Agent'],
},
'cpd_alert': {
'description': '儿童存在检测服务',
'publish_frequency': '事件触发',
'data': {
'detected': 'bool',
'confidence': 'float',
'location': 'enum [front_left/rear_left/rear_right/...]',
'vital_signs': 'struct {breathing, movement}',
},
'subscribers': ['HMI', 'Telematics', 'Cabin AI Agent'],
},
}
|