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| """ | |
| 每设备曝光控制 —— ☀ 对话框参数解析与下发/持久化口径（零 Qt 依赖）。 | |
| 供主窗口曝光对话框入口与离线测试共用同一套口径： | |
| - exposure_dialog_params 按设备类型解析对话框上下文（量程/自动/当前值/ | |
| 恢复默认基线 + 首见基线落盘锁定）；UVC 返回 None | |
| - apply_exposure 按设备类型下发并持久化（下次开启自动应用） | |
| """ | |
| from __future__ import annotations | |
| from config import settings | |
| from core.device_naming import normalize_original | |
| def exposure_dialog_params(kind: str, entry: dict, | |
| dev_key: str) -> dict | None: | |
| """☀ 曝光对话框参数解析（对话框只做 0..1000 刻度映射）。 | |
| 量程/单位语义： | |
| D435 → µs，流启动后读真实 rs.option.exposure 量程 | |
| S80M → SDK 曝光 1.0~885.0（与 yaml stereo_init_exposure 同单位） | |
| UVC 无曝光入口（固定自动曝光，保证正常亮度 + 30fps）→ 返回 None。 | |
| 「恢复默认」基线（original）：优先持久化的首见基线 | |
| （settings.device_original，首次开启设备时锁定），无则用 | |
| worker 本次开流读回的硬件状态，并在对话框弹出时落盘锁定 | |
| （之后 worker 读回值不再覆盖）。 | |
| """ | |
| if kind == "uvc": | |
| return None | |
| label = entry["label"] | |
| if kind == "d435": | |
| rng, auto, value = entry["worker"].exposure_info() | |
| if rng is None: | |
| rng = (1.0, 66000.0) # 流未启动兜底量程（µs） | |
| if auto is None: | |
| auto = True | |
| if value is None: | |
| value = rng[1] / 2.0 | |
| orig = settings.device_original(dev_key) | |
| if orig is None: | |
| orig = entry["worker"].original_exposure() | |
| decimals = 0 | |
| elif kind == "s80m": | |
| exp = settings.device_exposure(dev_key) | |
| auto = True if exp is None else exp["auto"] | |
| value = 400.0 if exp is None else exp["value"] | |
| orig = settings.device_original(dev_key) | |
| if orig is None: | |
| orig = entry.get("original_exp") | |
| rng = (1.0, 885.0) | |
| decimals = 1 | |
| else: | |
| return None | |
| orig = normalize_original(orig) | |
| if orig is not None: | |
| settings.ensure_device_original(dev_key, orig[0], orig[1]) | |
| return {"label": label, "rng": rng, "value": float(value), | |
| "auto": bool(auto), "decimals": decimals, "original": orig} | |
| def apply_exposure(dev_key: str, entry: dict, auto: bool, value: float, | |
| send_s80m=None) -> None: | |
| """按设备类型下发曝光并持久化（下次开启自动应用）。 | |
| UVC 无曝光入口（固定自动曝光），不会进入此函数。 | |
| S80M 的 stdin 行协议由 send_s80m(entry, auto, value) 回调提供 | |
| （见 core.s80m_manager.S80MDeviceManager.send_exposure）。 | |
| """ | |
| kind = entry["kind"] | |
| if kind == "d435": | |
| entry["worker"].set_exposure(auto, value) | |
| elif kind == "s80m": | |
| if send_s80m is not None: | |
| send_s80m(entry, auto, value) | |
| else: | |
| return | |
| settings.save_device_exposure(dev_key, auto, value) | |