chore: 添加 led on 时间字段

apps/mosquito/migrations/0036_deviceinfo_led_on_time.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.4 on 2024-04-23 15:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mosquito', '0035_auto_20240423_1536'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='deviceinfo',
+            name='led_on_time',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='LED ON 时间'),
+        ),
+    ]

apps/mosquito/models.py

@@ -94,6 +94,7 @@ class DeviceInfo(models.Model):
     signal = models.PositiveIntegerField(blank=True, null=True, verbose_name="信号")
     energy = models.FloatField(blank=True, null=True, verbose_name='电量')
     led_status = models.CharField(max_length=10, choices=LED_CHOICE, default='OFF', verbose_name='LED 状态')
+    led_on_time = models.DateTimeField(null=True, blank=True, verbose_name='LED ON 时间')
     load = models.CharField(max_length=100, blank=True, null=True, verbose_name='负载电压电流功率')
     storage_battery = models.CharField(max_length=100, blank=True, null=True, verbose_name='电池电压电流功率')
     solar_panels = models.CharField(max_length=100, blank=True, null=True, verbose_name='太阳能电压电流功率')