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Update CHANGELOG.md for K230 RTOS SDK v0.7 release notes and enhancements
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‎CHANGELOG.md‎

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# RTOS Only K230 Changelog
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## K230 RTOS SDK Release Notes v0.7
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We are pleased to announce the release of **K230 RTOS SDK v0.7**. This version introduces new board support for the `k230d_canmv_mini` and `wondermk` platforms, adds USB host class NCM and CH397 network adapter support, enhances the LVGL graphics framework integration, and improves overall system stability across all components.
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### 🚀 Key Highlights
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* **New Board Support:** Added support for the `k230d_canmv_mini` board and the `wondermk` platform across all components.
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* **USB Networking:** Introduced USB host class NCM and CH397 network adapter support in the RT-Smart kernel.
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* **LVGL Enhancements:** Improved LVGL display buffer handling, added alpha channel support for display creation, and new `lvgl_sensor` demo.
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* **Tuya IoT Integration:** Added Tuya SDK library and sample application for IoT connectivity.
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* **Kernel Stability:** Fixed RT-Smart syscall dispatch for Linux RISC-V 64 compatibility and improved touch/network driver reliability.
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---
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### 📦 Component Updates
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#### 1. RT-Smart (Kernel)
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* **New Board:** Added support for `k230d_canmv_mini`.
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* **USB Networking:**
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* Added USB host class NCM and CH397 network adapter support.
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* Improved CH397 mode selection with configurable default mode.
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* **Touch Subsystem:**
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* Refactored touch read logic and increased message buffer size.
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* Implemented interrupt enable/disable for `drv_touch`.
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* Fixed touch IRQ handling issues.
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* **Network:**
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* Added `ifdef` guards for WLAN and improved error handling in `netmgmt`.
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* Removed noisy log output when setting socket non-blocking mode.
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* **Drivers:** Added bus name and DTS hint to I2C timeout log for easier debugging.
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* **System:** Added `canmv_misc` API to retrieve kernel build info.
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* **Wi-Fi:** Added Realtek adaptivity configuration option.
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* **Syscalls:** Fixed RT-Smart syscall dispatch to correctly translate Linux RISC-V 64 `munmap`/`exit` system call numbers.
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[🔗 Full Changelog](https://github.com/canmv-k230/rtsmart/compare/canmv-v1.5...rtos-v0.7)
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#### 2. RT-Smart Libraries
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* **LVGL:**
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* Fixed `lv_display_set_buffers` to use the correct buffer size.
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* Added support for user-configurable alpha channel when creating LVGL displays.
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* Updated LVGL port layer.
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* **IoT:** Integrated the Tuya SDK for smart device connectivity.
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* **MQTT:** Fixed MQTT library build issues.
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* **USB:** Added HID keyboard event API header file.
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* **Build System:** Enhanced Makefile build process with improved structure and organization.
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[🔗 Full Changelog](https://github.com/canmv-k230/k230_rtsmart_lib/compare/canmv-v1.5...rtos-v0.7)
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#### 3. RT-Smart Examples
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* **LVGL Demos:**
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* Added `lvgl_sensor` demo with MMZ buffer management and FPS calculation.
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* Updated existing LVGL examples.
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* **AI Demos:**
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* Added `triple_camera_ai` demo for multi-camera AI inference.
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* Updated AI examples to align with documentation.
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* **IoT:** Added Tuya sample application.
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* **Media:** Improved `smart_ipc` Makefile and modified OGG demo.
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* **USB:** Added USB HID keyboard test application.
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* **Fixes:** Fixed `TEST_GPIO_PIN_MAX` definition for board compatibility.
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* **Build System:**
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* Reorganized RTOS SDK example layout and build system.
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* Ensured ELF install directory exists before building.
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[🔗 Full Changelog](https://github.com/canmv-k230/k230_rtsmart_examples/compare/canmv-v1.5...rtos-v0.7)
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#### 4. U-Boot & Board Support
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* **New Board:** Added `k230d_canmv_mini` board configuration.
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* **Board Updates:** Updated `wondermk` device tree source (DTS).
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* **CI:** Optimized workflow build times with parallel make and updated board mappings.
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[🔗 Full Changelog](https://github.com/canmv-k230/u-boot/compare/canmv-v1.5...rtos-v0.7)
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---
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### 🛠 Bug Fixes & Improvements
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* **Syscalls:** Fixed critical RT-Smart syscall dispatch issue for Linux RISC-V 64 ABI compatibility (`munmap`/`exit`).
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* **Touch Drivers:** Refactored read logic, fixed IRQ handling, and implemented proper interrupt enable/disable.
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* **LVGL:** Corrected display buffer size calculation and improved port layer.
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* **Networking:** Added WLAN `ifdef` guards and improved CH397 driver robustness.
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* **Build System:** Improved CI workflows, enhanced Makefiles, and added branch management scripts.
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* **VFAT:** Improved error handling in VFAT image generation.
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---
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### 🔗 Repository Links
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* [[k230_rtos_sdk](https://github.com/kendryte/k230_rtos_sdk/releases/tag/v0.7)](https://github.com/kendryte/k230_rtos_sdk/releases/tag/v0.7)
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* [[rtsmart](https://github.com/canmv-k230/rtsmart/releases/tag/rtos-v0.7)](https://github.com/canmv-k230/rtsmart/releases/tag/rtos-v0.7)
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* [[k230_rtsmart_lib](https://github.com/canmv-k230/k230_rtsmart_lib/releases/tag/rtos-v0.7)](https://github.com/canmv-k230/k230_rtsmart_lib/releases/tag/rtos-v0.7)
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* [[k230_rtsmart_examples](https://github.com/canmv-k230/k230_rtsmart_examples/releases/tag/rtos-v0.7)](https://github.com/canmv-k230/k230_rtsmart_examples/releases/tag/rtos-v0.7)
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* [[u-boot](https://github.com/canmv-k230/u-boot/releases/tag/rtos-v0.7)](https://github.com/canmv-k230/u-boot/releases/tag/rtos-v0.7)
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**Full Changelog**: https://github.com/kendryte/k230_rtos_sdk/compare/v0.6...v0.7
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## K230 RTOS SDK Release Notes v0.6
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We are pleased to announce the release of **K230 RTOS SDK v0.6**. This version introduces significant enhancements to the Media Process Platform (MPP), expands driver support for the RT-Smart kernel, and improves overall system stability and performance.
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* Added `statfs` syscall.
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* Optimized memory management and task scheduling.
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* **Network:** Updated `netmgmt` drivers and adapted CDC/EC200M (4G) modules to the serial framework.
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* **Debugging:** Added VO (Video Output) debug tools and OSD enable/disable controls.
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* Added support for rotation and mirroring in the encoding pipeline.
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* Introduced `VENC_2D` for picture framing and OSD overlay.
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* **Video Input (VICAP):** Updated usage instructions and enabled multi-channel output with hardware scaling and cropping.
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* **Audio (AENC/ADEC):** * Added G.711A/U codec support.
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* Enabled binding for Audio Input (AI) to Audio Encoder (AENC) and Audio Decoder (ADEC) to Audio Output (AO).
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* **Audio 3A:** Integration of Acoustic Echo Cancellation (AEC), Automatic Noise Suppression (ANS), and Automatic Gain Control (AGC).
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#### 3. RT-Smart Libraries & Examples
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* **Libraries:**
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* Integrated the `mqttclient` 3rd-party library.
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* Added HAL support for `netmgmt`, `statfs`, and `reset_to_bootloader`.
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* Enhanced driver wrappers for UART, PWM, ADC, and I2C.
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* **Examples:**
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* **AI+RTSP Demos:** Added new demos for AI-powered RTSP streaming.
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* **Media Demos:** Added `vi -> venc -> MAPI -> small core` file saving example.
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* **CV Lite:** Introduced the `cv_lite` module with vision functions (corner detection, undistort, rects).
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#### 4. U-Boot & Board Support
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* **Boot Optimization:** Improved boot speed and updated prebuilt binaries.
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### 📦 k230\_rtsmart\_lib
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### 📦 k230_rtsmart_lib
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* **New HAL Drivers**:
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* Fixed crash caused by invalid GPIO instance.
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* Fixed FPIOA bugs and driver warnings.
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* Added face\_liveness.kmodel as part of the testing set.
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* Added face_liveness.kmodel as part of the testing set.
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[🔗 Full Changelog](https://github.com/canmv-k230/k230_rtsmart_lib/compare/canmv-v1.3...rtos-v0.5)
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| Repository | Compare Link |
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| ---------------- | ------------------------------------------------------------------------------------------------------- |
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| **rtsmart** | [canmv-v1.3...rtos-v0.5](https://github.com/canmv-k230/rtsmart/compare/canmv-v1.3...rtos-v0.5) |
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| **rtsmart\_lib** | [canmv-v1.3...rtos-v0.5](https://github.com/canmv-k230/k230_rtsmart_lib/compare/canmv-v1.3...rtos-v0.5) |
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| **rtsmart_lib** | [canmv-v1.3...rtos-v0.5](https://github.com/canmv-k230/k230_rtsmart_lib/compare/canmv-v1.3...rtos-v0.5) |
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| **mpp** | [canmv-v1.3...rtos-v0.5](https://github.com/canmv-k230/mpp/compare/canmv-v1.3...rtos-v0.5) |
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| **u-boot** | [canmv-v1.3...rtos-v0.5](https://github.com/canmv-k230/u-boot/compare/canmv-v1.3...rtos-v0.5) |
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