Maixpy

Bug Fix

* APP photos play video error.
* Correct MaixCAM-Pro pin image in photos APP.
* Fix set auto start APP failed in second time.
* Fix time sync script stuck when no network.
* Fix zbar can't decode Chinese issue.
* Fix open big file error in APP http file browser.

Optimization
* Change Modbus default port to 502 from 5020.
* Camera application support add timestamp

Attention
**Burning the system image, the following files in the assets folder:**
* `maixcam_*.img.xz`: For the MaixCAM device.
* `maixcam-pro_*.img.xz`: For the MaixCAM-Pro device.
Be careful **not to burn the wrong image**, as burning the wrong one may cause screen burn-in (it usually recovers slowly after being left for a period of time).

> 烧录系统镜像，下面 assets 中的文件：
> * `maixcam_*.img.xz`: 设备 MaixCAM 用
> * `maixcam-pro_*.img.xz`: 设备 MaixCAM-Pro 用
> 注意**不要烧录错镜像文件**，烧录错会导致屏幕烧屏（一般放置一段时间会缓慢恢复）

Downloads

| github release assets (recommend!) | Sourceforge | Pypi.org |
| --- | --- | --- |
|  Assets below ↓↓↓↓↓↓↓↓↓ 点击下方 Assets | [](https://sourceforge.net/projects/maixpy/files/v4.8.2/) ||
> 国内下载速度太慢也可以到 QQ 群 862340358 群文件下载

New features
* Add **Modbus** support (based on UART and TCP), both slave and master mode are supported.
* Key support **powerkey** of MaixCAM-Pro, and long press in launcher will pop out power option.
* Add `maix.image.flip` API.
* Camera APP support change **video bitrate**, and **Photos APP support play video** now.
* Video record(Camera APP), RTSP, RTMP, video play(Photos APP) all **video related APPs support audio record and play**.
* **`display.Display` now support select device fb(framebuffer)**, so you can port any screen in system as fb driver and use in display like if you want to use two screen or a SPI OLED screen.
* **Support 7 inch touchscreen**.
* LVGL based APPs **support mouse input**.
* Support a **MIPI to HDMI module**, so now we can use HDMI as screen.
* Support audio player volume setting.
* Add device config file in `/boot/board`, so you can customize camera and display vflip and hmirror, and max LCD backlight power etc, refer to `/boot/boards/README.txt` on device.
* Launcher support I18N.
* **Add log file for APP**, you can find it in `/maixapp/last_run.log`, so you can find bugs from log if your APP dead, use `examples/tools/show_last_run_log.py` to see log.
> so be carefully, print too much log may conduct large log file.
* New QRCode API `maix.image.QRCodeDetector`, use **YOLOv8 to find QRCode, faster than classic one**.


BUG Fix
* Fix nn.F.softmax execute error
* Fix RTMP RTSP resource realease bug.


Optimization

* Speech recognition APP switch mode faster now.
* Remove upgrade MaixPy item from Settings APP to avoid user wrong upgrade.
* Optimize API documentation click TOC jump(same id issue).

New features
* Add **YOLO11** support(detect, segmentation, keypoint detection)
* Support New board [MaixCAM-Pro](https://wiki.sipeed.com/maixcam-pro) , include its PMU, IMU, RTC.
* SC035GS(Global shutter camera) support 180fps mode.
* OS04A10 now support 40s exposure, GC4653 max 1/3 s.
* Camera support read RAW data.
* Camera APP add LED light switch, RAW, digital zoomin.
* New launcher UI

BUG Fix

* Fix speech recognition APP core dump bug

Optimization

* optimize NN preprocess, now faster(e.g. 320x320 input, 12ms to 2ms)

Attention

**Burn system image(`maixcam_*.img.xz`(for device MaixCAM) or `maixcam-pro_*.img.xz`(for device MaixCAM-Pro) file below) to use this version because it have camera driver update in system, and don't forget to install runtime in first bootup**
**烧录系统镜像(下面的`maixcam_*.img.xz`(设备 MaixCAM 用)或`maixcam-pro_*.img.xz`(设备 MaixCAM-Pro 用)文件），以及第一次开机后记得联网安装运行库，才能正常使用此版本**

Downloads

| github release assets (recommend!) | Sourceforge | Pypi.org |
| --- | --- | --- |
|  Assets below ↓↓↓↓↓↓↓↓↓ 点击下方 Assets | [](https://sourceforge.net/projects/maixpy/files/v4.7.8/) ||
> 国内下载速度太慢也可以到 QQ 群 862340358 群文件下载

New features
* Support [OCR(image text recognize)](https://wiki.sipeed.com/maixpy/doc/zh/vision/ocr.html).
* Support speech recognitioin.
* Support new hardware MaixCAM-Pro.

https://github.com/user-attachments/assets/e00cc47e-f7df-4c8c-9bb6-4655d45fa081

Attention

**Burn system image(`maixcam_*.img.xz`(for device MaixCAM) or `maixcam-pro_*.img.xz`(for device MaixCAM-Pro) file below) to use this version because it have camera driver update in system, and don't forget to install runtime in first bootup, old version system DO NOT upgrade runtime**
**烧录系统镜像(下面的`maixcam_*.img.xz`(设备 MaixCAM 用)或`maixcam-pro_*.img.xz`(设备 MaixCAM-Pro 用)文件），以及第一次开机后记得安装运行库，才能正常使用此版本**

Downloads

| github release assets (recommend!) | Sourceforge | Pypi.org |
| --- | --- | --- |
|  Assets below ↓↓↓↓↓↓↓↓↓ 点击下方 Assets | [](https://sourceforge.net/projects/maixpy/files/v4.6.0/) ||
> 国内下载速度太慢也可以到 QQ 群 862340358 群文件下载

New Features
* Self learning object detect and tracking, see [doc](https://wiki.sipeed.com/maixpy/doc/zh/vision/self_learn_detector.html)

https://github.com/user-attachments/assets/1a7b5056-982c-4458-8b19-b313ac9de7ff

* Object tracking and object count, see [doc](https://wiki.sipeed.com/maixpy/doc/zh/vision/object_track.html)

https://github.com/user-attachments/assets/7e2142c0-b29c-466d-90eb-a4f1228f1b4e

* Video(H.264) hardware decode support, now you can play mp4 video files.

https://github.com/user-attachments/assets/2fcbef54-792c-4549-88d9-f05dbe053dfc

* USB HID simulate support(MaixCAM act as mouse/keyboard/touchpad).
* Support OS04A10 camera sensor.
* Add `time.fps` API. refer to `MaixPy/examples/basic/demo_time.py`
* Add convertion API between `tensor.Tensor` and `numpy.ndarray`, refer to `MaixPy/examples/vision/ai_vision/nn_forward.py`
* Add bm8563 & qmi8658 & tmc2209 doc & example
* Add [http file browser APP](https://maixhub.com/app/59).
* Default listenning uart command, now you can send command though uart to switch APP like [protocol doc](https://github.com/sipeed/MaixCDK/blob/main/docs/doc/convention/protocol.md) said.

BUG Fix
* UART read block issue.
* YOLOv5/YOLOv8 score always 0.5 issue(iou bug).
* App_store APP exit when scan QR code and no network, and settings the same.

Attention

For this version, if you want to use HID function, you must burn system, or you can upgrade maixpy and then upgrade runtime, but we remain recommend you directly re-burn system.

**Burn system image(`*.img.xz` file below) to use this version because it have camera driver update in system, and don't forget to install runtime in first bootup, old version system DO NOT upgrade runtime**
**烧录系统镜像(下面的`*.img.xz`文件），以及第一次开机后记得安装运行库，才能正常使用此版本**

Downloads

| github release assets (recommend!) | Sourceforge | Pypi.org |
| --- | --- | --- |
|  Assets below ↓↓↓↓↓↓↓↓↓ 点击下方 Assets | [](https://sourceforge.net/projects/maixpy/files/v4.5.1/) ||
> 国内下载速度太慢也可以到 QQ 群 862340358 群文件下载