pref: 拍照更快

main.py

@@ -120,9 +120,9 @@ def cmd_str():
 
     # ==================== 第二阶段：软件初始化 ====================
 
-    # 1. 初始化日志系统
+    # 1. 初始化日志系统（WARNING级别，不打印/写入INFO和DEBUG日志，提高执行流畅度）
     import logging
-    logger_manager.init_logging(log_level=logging.DEBUG)
+    logger_manager.init_logging(log_level=logging.WARNING)
     logger = logger_manager.logger
 
     # 补充：因为初始化的时候，激光会亮，先关了它
@@ -278,6 +278,8 @@ def cmd_str():
         logger.info("系统准备完成...")
 
     last_adc_trigger = 0
+    _latest_frame = None  # 预读的最新帧缓存，供射箭触发时减少延迟
+    _frame_read_counter = 0  # 相机预读计数器，避免每帧都读拖慢CPU
     # 气压采样：减少日志频率（每 N 个点输出一条），避免 logger.debug 拖慢采样
     PRESSURE_BATCH_SIZE = 100
 
@@ -389,7 +391,8 @@ def cmd_str():
                 _flush_pressure_buf("before_trigger")
 
                 try:
-                    process_shot(adc_val)
+                    process_shot(adc_val, pre_frame=_latest_frame)
+                    _latest_frame = None
                 except Exception as e:
                     logger = logger_manager.logger
                     if logger:
@@ -399,13 +402,18 @@ def cmd_str():
                     time.sleep_ms(100)
                     continue
             else:
-                if config.SHOW_CAMERA_PHOTO_WHILE_SHOOTING:
+                # 每3次循环预读一次相机帧（~15ms间隔），平衡buffer新鲜度与CPU占用
+                _frame_read_counter += 1
+                if _frame_read_counter >= 3:
+                    _frame_read_counter = 0
                     try:
-                        camera_manager.show(camera_manager.read_frame())
+                        _latest_frame = camera_manager.read_frame()
+                        if config.SHOW_CAMERA_PHOTO_WHILE_SHOOTING and _latest_frame is not None:
+                            camera_manager.show(_latest_frame)
                     except Exception as e:
                         logger = logger_manager.logger
                         if logger:
-                            logger.error(f"[MAIN] 显示异常: {e}")
+                            logger.error(f"[MAIN] 预读/显示异常: {e}")
                 time.sleep_ms(5)
 
         except Exception as e: