From 9a123376ff0e8e819a58227f75a868599c08c270 Mon Sep 17 00:00:00 2001
From: Neucrack <CZD666666@gmail.com>
Date: Fri, 12 Apr 2024 20:04:23 +0800
Subject: [PATCH] optimize image constructor

---
 components/maix/include/convert_image.hpp  | 2 +-
 docs/doc/zh/vision/display.md              | 9 +++++++++
 examples/communication/serial/comm_uart.py | 2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/components/maix/include/convert_image.hpp b/components/maix/include/convert_image.hpp
index 99b69013..a3d0b1c3 100644
--- a/components/maix/include/convert_image.hpp
+++ b/components/maix/include/convert_image.hpp
@@ -61,7 +61,7 @@ namespace maix::image
         }
         else
         {
-            img = new image::Image(mat.cols, mat.rows, fmt, mat.data);
+            img = new image::Image(mat.cols, mat.rows, fmt, mat.data, -1, false);
         }
         return img;
     }
diff --git a/docs/doc/zh/vision/display.md b/docs/doc/zh/vision/display.md
index fb3ce5af..cf13a339 100644
--- a/docs/doc/zh/vision/display.md
+++ b/docs/doc/zh/vision/display.md
@@ -72,6 +72,15 @@ while not app.need_exit():
 
 > 这里用了一个`while not app.need_exit():` 是方便程序在其它地方调用`app.set_exit_flag()`方法后退出循环。
 
+## 调整背光亮度
+
+在系统的`设置`应用中可以手动调整背光亮度，如果你想在程序中调整背光亮度，可以使用`set_backlight`方法，参数就是亮度百分比，取值范围是 0-100：
+```python
+disp.set_backlight(50)
+```
+
+注意，程序退出回到应用选择界面后会自动恢复到系统设置的背光亮度。
+
 
 ## 显示到 MaixVision
 
diff --git a/examples/communication/serial/comm_uart.py b/examples/communication/serial/comm_uart.py
index db428901..7c6c4cd5 100644
--- a/examples/communication/serial/comm_uart.py
+++ b/examples/communication/serial/comm_uart.py
@@ -2,7 +2,7 @@
 from maix import app, uart
 import sys
 
-ports = uart.list_ports()
+ports = uart.list_devices()
 
 if len(ports) == 0:
     print("no port found")