modify: DI 输入监听

aibox_sophon_adapter/diwatch/config.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""全局常量与默认值。"""
+
+import os
+
+# ---- input 事件协议（IN1/event 后端用）----
+EV_KEY = 0x01
+KEY_UP = 103
+VALUE_RELEASE = 0
+VALUE_PRESS = 1
+VALUE_REPEAT = 2
+
+DEFAULT_EVENT_DEVICE = "/dev/input/event1"
+GPIO_KEYS_NAME = "gpio-keys"
+
+# ---- IN 通道编号 ----
+IN1_INDEX = 1
+IN2_INDEX = 2
+
+# IN2 硬件信息（用于 --check 复算）
+IN2_GPIO_NUM = 483
+IN2_GPIOCHIP = 480
+
+# ---- sysfs 状态文件候选路径 ----
+# 按 in_index 分组，每个通道可以有多个候选路径，按顺序尝试
+STATUS_CANDIDATES = {
+    1: [
+        "/sys/bus/platform/devices/gpio-in-1/gpio_status",
+        "/dev/tv_gpioin_1",
+        # SE9 若有其它路径，加到这里
+    ],
+    2: [
+        "/sys/bus/platform/devices/gpio-in-2/gpio_status",
+        "/dev/tv_gpioin_2",
+    ],
+}
+
+STATUS_FILE_ENV = "DI_STATUS_FILE"   # 测试用覆盖
+LOG_DIR_ENV = "DI_LOG_DIR"
+
+DEVICETREE_BASE = "/sys/firmware/devicetree/base"
+
+DEBOUNCE = 2              # 连续多少次采样一致才确认跳变
+DEFAULT_INTERVAL = 0.02   # 轮询间隔秒
+
+
+def candidate_status_files(in_index: int):
+    """返回某通道的所有候选状态文件路径（含环境变量覆盖）。"""
+    paths = []
+    env = os.environ.get(STATUS_FILE_ENV)
+    if env:
+        paths.append(env)
+    paths.extend(STATUS_CANDIDATES.get(in_index, []))
+    return paths
+
+
+def find_status_file(in_index: int):
+    """找到第一个可读的状态文件；找不到返回 None。"""
+    for p in candidate_status_files(in_index):
+        if os.access(p, os.R_OK):
+            return p
+    return None