0529-2

Former-commit-id: 09404bbedb1ff5b9ff9ad0753867012826cf84dc

utils.py

@@ -1,6 +1,94 @@
 import logging
 import os
 from datetime import datetime
+from enum import Enum
+
+class State:
+    """滴定状态管理类"""
+    class Mode(Enum):
+        FAST = 0     # 快速模式
+        SLOW = 1     # 慢速模式 (middle)
+        ABOUT = 2    # 接近终点模式
+        # END = 3      # 终点模式
+    
+    def __init__(self, bounce_time=1, end_bounce_time=5):
+        self.mode = self.Mode.FAST
+        self.bounce_time = bounce_time
+        self.end_bounce_time = end_bounce_time
+        
+        # 状态检查标志
+        self.in_middle_check = False
+        self.in_end_check = False
+        
+        # 时间记录
+        self.middle_detected_time = None
+        self.end_detected_time = None
+        
+    def is_fast_mode(self):
+        return self.mode == self.Mode.FAST
+    
+    def is_slow_mode(self):
+        return self.mode == self.Mode.SLOW
+    
+    def is_about_mode(self):
+        return self.mode == self.Mode.ABOUT
+        
+    # def is_end_mode(self):
+    #     return self.mode == self.Mode.END
+    
+    def enter_middle_state(self, current_time):
+        """进入middle状态 - 立即切换到slow模式并开始检查"""
+        self.mode = self.Mode.SLOW
+        self.in_middle_check = True
+        self.middle_detected_time = current_time
+        
+    def enter_about_state(self, current_time):
+        """从middle状态进入about状态"""
+        if self.mode == self.Mode.SLOW:
+            self.mode = self.Mode.ABOUT
+    
+    def enter_end_check(self, current_time):
+        """进入end检查状态"""
+        self.in_end_check = True
+        self.end_detected_time = current_time
+        self.mode = self.Mode.ABOUT
+    
+    def exit_middle_check(self):
+        """退出middle检查状态，返回fast模式"""
+        self.in_middle_check = False
+        self.middle_detected_time = None
+        self.mode = self.Mode.FAST
+    
+    def exit_about_with_middle(self):
+        """about状态随middle一起退出"""
+        if self.mode == self.Mode.ABOUT:
+            self.mode = self.Mode.FAST
+    
+    def should_check_middle_exit(self, current_time):
+        """检查是否应该进行middle退出检查"""
+        return (self.in_middle_check and 
+                self.middle_detected_time is not None and
+                current_time - self.middle_detected_time > self.bounce_time)
+    
+    def should_check_end_result(self, current_time):
+        """检查是否应该进行end结果检查"""
+        return (self.in_end_check and 
+                self.end_detected_time is not None and
+                current_time - self.end_detected_time > self.end_bounce_time)
+    
+    def reset_end_check(self):
+        """重置end检查状态"""
+        self.in_end_check = False
+        self.end_detected_time = None
+    
+    def get_status_text(self):
+        """获取状态显示文本"""
+        status = []
+        if self.in_middle_check:
+            status.append("MIDCHK")
+        if self.in_end_check:
+            status.append("ENDCHK")
+        return ", " + ", ".join(status) if status else ""
 
 
 def setup_logging(log_level=logging.INFO, log_dir="logs"):