增加读数校准功能

config.json

@@ -0,0 +1,22 @@
+{
+    "node2": {
+        "humi": 0.8,
+        "temp": 0,
+        "light": 0
+    },
+    "node3": {
+        "humi": 0,
+        "temp": -0.2,
+        "light": 0
+    },
+    "node4": {
+        "humi": -2,
+        "temp": 0.4,
+        "light": 0
+    },
+    "node5": {
+        "humi": 0.6,
+        "temp": 0,
+        "light": 0
+    }
+}

data.json

@@ -1 +1 @@
-{"time": "2021-10-31 14:13:45", "node2": {"humi": 46.4, "temp": 25.6, "light": 80.8}, "node3": {"humi": 47.6, "temp": 26.3, "light": 73.3}, "node4": {"humi": 47.3, "temp": 26.4, "light": 124.2}, "node5": {"humi": 47.4, "temp": 25.7, "light": 130.8}}
+{"time": "2021-11-02 14:47:42", "node2": {"humi": 52.6, "temp": 27.7, "light": 180.8}, "node3": {"humi": 51.7, "temp": 27.6, "light": 165.8}, "node4": {"humi": 50.4, "temp": 27.9, "light": 170.8}, "node5": {"humi": 52.3, "temp": 27.8, "light": 173.3}}

mainwindow.py

@@ -32,13 +32,6 @@ class MainWindow(QMainWindow):
         menubar_file = menubar.addMenu('文件')
         menubar_file.addAction(exit_action)
 
-        # 菜单栏-校准
-        adjust_action = QAction('&校准菜单', self)
-        adjust_action.triggered.connect(lambda: sys.exit())
-
-        menubar_adjust = menubar.addMenu('校准')
-        menubar_adjust.addAction(adjust_action)
-
         # 菜单栏-曲线
         draw_node2_action = QAction('&节点2', self)
         draw_node3_action = QAction('&节点3', self)

serialhandler.py

@@ -53,6 +53,17 @@ class SerialHandler(QThread):
                     print('数据不合理！')
                     continue
 
+                # 修正读数
+                config = json.loads(
+                    open('./config.json', 'r', encoding='utf-8').read())
+                humi += config['node' + str(seq)]['humi']
+                temp += config['node' + str(seq)]['temp']
+                light += config['node' + str(seq)]['light']
+
+                humi = round(humi, 2)
+                temp = round(temp, 2)
+                light = round(light, 2)
+
                 print(f"节点：{seq}    湿度：{humi}%    温度：{temp}°C    光照度：{light}lx")
 
                 # 写入 json 文件

start.bat

@@ -0,0 +1 @@
+python main.py