v1.8

CanMV K230 SDK Release Notes v1.8

We are pleased to announce the release of CanMV K230 v1.8. This release focuses on IDE debugging enhancements, new MicroPython modules (OTP, time/NTP), UART and USB improvements, VICAP stream handling refinements, and expanded library support including libwebsockets and mbedTLS.

🚀 Key Highlights

• IDE Debugging Experience: Added IDE capability protocol, virtual touch support, stdout capture, raw input handling, auto-exec control, and streamlined script-running checks for a smoother development workflow.
• New MicroPython Modules: Introduced machine.OTP module with read and lock functionality, and time module with clock class and NTP synchronization support.
• UART Transmission Robustness: Enhanced UART write path with full-write support for better synchronization, and improved handling of undelivered data across write calls.
• USB Stack Improvements: Reworked DWC2 device FIFO allocation to be dynamic and config-driven, implemented IN endpoint quiescing and TX FIFO flushing on stall, and enhanced USB error logging with Debug Descriptor support.
• New Libraries: Added libwebsockets integration with necessary stubs, and mbedTLS support in RT-Smart libraries.
• Faster Boot: Further optimized boot time in MPP.

---

📦 Component Updates

1. CanMV Core

• IDE Debugging & Protocol: Added IDE capability protocol and virtual touch support, enhanced IDE debugging output with stdout capture and raw input handling, added auto-exec control and ide_dbg_is_connected function, and streamlined script-running checks for better reliability.
• MicroPython APIs: Added machine.OTP module with read and lock functionality for one-time programmable memory access, and time module with clock class and NTP synchronization function.
• UART & I/O: Enhanced UART transmission with full-write path for better synchronization, and improved handling to retain undelivered data across write calls.
• Sensor & VICAP: Refactored VICAP management functions for improved stream handling, updated sensor2 pixel format to YUV420SP with adjusted display binding, added database parse mode handling to Sensor class, and fixed CSC binding channel ID.
• Build & Tooling: Added packaging scripts for CanMV VS Code examples and stubs with CDN layout, and removed obsolete configuration entries from build and release workflows.

🔗 Full Changelog

2. MPP (Media Process Platform)

• Performance: Optimized boot time for faster system startup.

🔗 Full Changelog

3. RT-Smart (Kernel)

• USB Stack: Reworked DWC2 device FIFO allocation to be dynamic and config-driven, implemented IN endpoint quiescing and TX FIFO flushing on USB stall events, and enhanced USB error logging with Debug Descriptor support.
• System & TTY: Refactored lwp_free and sys_poll functions to improve TTY handling and event processing.
• Power Management: Added PMU wakeup source support for pad65 through pad69.

🔗 Full Changelog

4. RT-Smart Libraries

• New Libraries: Added libwebsockets integration with necessary stubs for WebSocket-based applications, and mbedTLS support for cryptographic and TLS operations.

🔗 Full Changelog

5. U-Boot & Board Support

• No changes since v1.7.

🔗 Full Changelog

---

🛠 Bug Fixes & Improvements

• IDE & Development: Improved debugging protocol, output capture, and virtual touch support for a more responsive IDE experience.
• USB Reliability: Dynamic FIFO allocation, IN endpoint quiescing, TX FIFO flushing, and enhanced error logging improve USB device stability.
• UART Robustness: Full-write path and undelivered-data retention ensure more reliable serial communication.
• VICAP & Display: Refactored stream handling, fixed CSC binding channel ID, and corrected sensor pixel format and display binding.
• Power Management: Added additional PMU wakeup source pins for more flexible low-power designs.

---

🔗 Repository Links

• [canmv_k230](https://github.com/kendryte/canmv_k230/releases/tag/v1.8)
• [rtsmart](https://github.com/canmv-k230/rtsmart/releases/tag/canmv-v1.8)
• [mpp](https://github.com/canmv-k230/mpp/releases/tag/canmv-v1.8)
• [k230_rtsmart_lib](https://github.com/canmv-k230/k230_rtsmart_lib/releases/tag/canmv-v1.8)
• [u-boot](https://github.com/canmv-k230/u-boot/releases/tag/canmv-v1.8)

Full Changelog: v1.7...v1.8

v1.7

CanMV K230 SDK Release Notes v1.7

We are pleased to announce the release of CanMV K230 v1.7. This release improves boot speed, expands board and display support, adds OpenCV and MicroPython API improvements, updates AI and audio examples, and brings continued RT-Smart, MPP, HAL, USB, storage, and security improvements across the platform.

🚀 Key Highlights

• Faster Boot: Optimized boot time in both U-Boot and RT-Smart.
• New Board & Memory Support: Added support for k230d_canmv_lushanpi_lite, k230_canmv_mrt, k230d_canmv_labplus_ai_camera_v2, DongshanPI LPDDR4, and DongshanPI 2GB DDR configurations.
• OpenCV & MicroPython API Expansion: Added OpenCV support, more OpenCV functions and examples, OpenCV/OpenMV comparison scripts, LSM6DSM MicroPython API support, and improved generated CanMV API stubs.
• AI & Vision Examples: Update nncase runtime to 2.11.0, Added optimized AI code and post-processing examples for YOLOv8, YOLO11, and YOLO26 classification, detection, segmentation, OBB, and pose tasks.
• Audio & Media Improvements: Optimized AEC, PDM audio, PDM noise reduction, AI/RTSP handling, ISP functions, DSI/HDMI timing, I8080 display, SPI/QSPI LCD panels, and OV13850 support.
• RT-Smart, HAL & Security: Added OTG, dual CDC, HID, exFAT, SDIO HS200, PMU, FFT, GZIP, PUFs security, posix_fallocate, pthread_get_tid, and improved GPIO/FPIOA/thread/system handling.

---

📦 Component Updates

1. CanMV Core

• OpenCV & Vision: Added OpenCV support, more OpenCV functions and examples, OpenCV/OpenMV comparison scripts, and safer OpenCV function handling by removing unsafe exec() usage.
• MicroPython APIs: Added LSM6DSM MicroPython API support, tid function support for retrieving thread IDs, recv_available for USB serial, and improved UART/USB-GS write and ioctl handling.
• Sensor & Display: Added snapshot failure handling and optional auto-reboot behavior in Sensor, object-tree snapshot functionality, ST7789 panel support, LT9611 HDMI timing updates, OSD layer buffer pool fixes, and improved display mode/resolution handling in examples.
• AI & Examples: Added optimized CanMV AI code, YOLO post-processing encapsulation and examples for classification/detection/segmentation/OBB/pose tasks, updated drawing examples to draw_string_advanced, and added filesystem block-size benchmark tests.
• Developer Tooling: Added scripts to generate/update CanMV port stub documentation from C API analysis, improved gen_canmv_stubs.py formatting, typing imports, macro handling, module stub generation, and network-interface stub overrides.
• Build & Runtime: Added K230 CanMV MRT and K230D CanMV LushanPi Lite configurations, improved build dependency ordering, Makefile resource syncing, IDE debug output, script-running checks, SHA256 implementation, and RVV HAL memory operation usage.

🔗 Full Changelog

2. MPP (Media Process Platform)

• Audio: Optimized AEC, optimized PDM audio, added PDM noise reduction, and improved PDM driver cache queue overflow handling.
• Display & Connector: Added DSI lane-rate support, pixel-clock correction improvements, I8080 interface support, SPI panel framework improvements, NV3030B QSPI LCD support, MRT MIPI ST7701 initialization, LT9611 custom/VESA HDMI timings, and refined HDMI timing calculation.
• Sensors & ISP: Added OV13850 support, fixed IMX335 initialization/reinitialization issues, added mirror/flip support for IMX335/BF3238/SC123SG, added ISP scene switching, and added list-mode/again-range APIs.
• AI & Video Pipeline: Optimized AI code to fix memory leak and RTSP issues, enhanced VPU exit cleanup, added SDMA channel reservation APIs, improved virtual display timing, and added validation for virtual display ioctl parameters.
• Bug Fixes: Fixed Yahboom ST7701 backlight polarity, updated LCKFB initialization for LushanPi Lite compatibility, fixed I2C transfer return casting, handled DSI command failures as non-fatal, and removed unused connector/WBC includes.

🔗 Full Changelog

3. RT-Smart (Kernel)

• Boot & Board Support: Improved boot time, added K230D OTG support, added K230D CanMV LushanPi Lite configuration, K230 CanMV MRT support, K230D LabPlus AI Camera v2 support, and low-power configuration for k230d_labplus_ai_camera*.
• USB, HID & Drivers: Added dual CDC ports, HID support for Cherry USB devices, built-in GPIO MSH test commands, PMU driver, ACodec headphone detection, FFT driver, GZIP decompression driver, Synopsys DesignWare SSI private register definitions, and improved DWC2 DMA buffer handling.
• Storage & Filesystem: Enabled exFAT in FatFs, added dfs_elm preallocation through f_expand, added second MMC card mounting, added SDIO0 HS200 support, and improved SDIO PHY delay, bus width, erase group size, and SD status handling.
• Network & System: Increased LWIP configuration parameters, increased WLAN password length to 64 bytes, disabled automatic Wi-Fi connection by default, improved AI module initialization/logging, enhanced user fault logs with thread IDs, and improved watchdog behavior.
• Security: Added secure boot trusted preload handling and validation, preserved OTP byte-order contracts for PUFS RT/CDE drivers, and refactored PUF firmware CDE operations to use RVV memory routines.
• Bug Fixes: Fixed timer handling in clock_nanosleep and nanosleep, improved partition management and MBR/GPT alignment, added GPIO spinlock support, improved USB host validation, and moved the RISC-V user IRQ frame to the thread kernel stack before signal handling.

🔗 Full Changelog

4. RT-Smart Libraries

• New Libraries & HAL: Added libpeer, cJSON support, PMU HAL, GZIP decompression driver, HID input driver, FFT driver, and PUFs asymmetric cryptography/cipher/hash/HMAC/CMAC/security configuration support.
• Syscall & Runtime: Added posix_fallocate, pthread_get_tid, mutex retry sleep support, improved linker script section alignment and TLS support, and updated nncase runtime to 2.11.0 with kmodels moved to a separate repository.
• Driver Improvements: Added GPIO mutex locking for thread safety, streamlined GPIO/FPIOA pin validation, improved input auto-reconnect, optimized small-size memcpy/memset handling, and refactored watchdog control APIs with wdt_stop deprecation notice.
• Bug Fixes: Fixed return type issues and corrected FFT ioctl type definitions.

🔗 Full Changelog

5. U-Boot & Board Support

• Boot: Improved boot speed.
• Storage: Fixed k230_parse_toc handling for erased SPI-NAND TOC slots.
• Board & Memory Support: Added DongshanPI LPDDR4 configuration, DongshanPI 2GB DDR support, K230D LushanPi Lite board configuration and device tree, K230 CanMV MRT defconfig, K230D LabPlus AI Camera v2 support, and low-power configuration for k230d_labplus_ai_camera*.
• Security: Added SM4 IV length definition, updated decryption logic, and added PUFsecurity ECP micro-program implementation.

🔗 Full Changelog

---

🛠 Bug Fixes & Improvements

• Stability: Improved boot time, watchdog behavior, thread exit handling, poll-error handling, VPU exit cleanup, DWC2 DMA buffer handling, USB host validation, and AI/RTSP memory handling.
• Display & Camera: Added and fixed ST7789, LT9611, ST7701, NV3030B QSPI LCD, I8080, DSI lane-rate, HDMI timing, OV13850, IMX335, and board-specific panel support.
• MicroPython & Tooling: Added OpenCV APIs and examples, improved generated stub documentation, improved UART/USB serial handling, and added additional API/test scripts.
• Storage & Filesystem: Added exFAT, file preallocation, SDIO HS200, second MMC mounting, SPI-NAND TOC handling, and filesystem benchmark coverage.
• Security: Added PUFs/PUFsecurity support, OTP contract fixes, Secure Boot trusted preload validation, and related HAL/driver improvements.
• Performance: Added RVV memory operation usage in image processing, PUF firmware, and HAL routines; optimized PDM/AEC audio paths and boot flow.

---

🔗 Repository Links

• [canmv_k230](https://github.com/kendryte/canmv_k230/releases/tag/v1.7)
• [rtsmart](https://github.com/canmv-k230/rtsmart/releases/tag/canmv-v1.7)
• [mpp](https://github.com/canmv-k230/mpp/releases/tag/canmv-v1.7)
• [k230_rtsmart_lib](https://github.com/canmv-k230/k230_rtsmart_lib/releases/tag/canmv-v1.7)
• [u-boot](https://github.com/canmv-k230/u-boot/releases/tag/canmv-v1.7)

Full Changelog: v1.6...v1.7

v1.6

🚀 CanMV K230 v1.6 Release Notes

We are excited to announce the release of CanMV K230 v1.6!

A major highlight of this release is the introduction of MPP private pool support, which significantly streamlines the architecture and makes interacting with the media module much more convenient for developers. Additionally, this version brings heavy performance optimizations using RISC-V Vector (RVV) extensions across the system, expanded AI task capabilities, and deeper LVGL UI integration.

---

🧠 CanMV Core

• New Features

  • Introduced a new dual-camera AI example.
  • Added manual focus API to the sensor module.
  • Integrated unit testing and fuzz testing for the CanMV source.
  • Added support for new boards and panels: k230d_canmv_mini.

• Improvements

  • Media Module / MPP: Migrated to the new MPP architecture featuring private pool support, drastically simplifying user-level media module interactions.
  • UVC Enhancements: Accelerated UVC host format conversion using RVV instructions, and added support for additional UVC GUID formats.
  • LVGL Integration: Enhanced FPS tracking and display in the UI. Added support for rendering sensor images directly into LVGL widgets, and introduced a pixel_format argument for media.Display.show_image.
  • Enabled 3DNR by default for improved image quality.

• Bug Fixes

  • Fixed issues with WBC + RTSP pipelines.
  • Refactored virtual display handling and corrected pixel format mapping for 32-bit color formats.
  • Fixed LVGL initialization and de-initialization memory leaks.

---

🎥 Media Processing Platform (MPP)

• New Features

  • Added sensor manual exposure API.
  • Implemented a hardware timer for Video Output (VO) to fine-tune update timing.

• Improvements

  • Synchronized with SDK to accelerate UVC host format conversion using RVV.
  • Added fuzz and unit test directories.

• Bug Fixes

  • Fixed 3DNR mmz allocation failure.
  • Corrected gc2093 CSI1 mode AE mapping indices and adjusted 960p mode FPS to 90.
  • Fixed VO boundary checks and rotation bits-per-pixel (BPP) logic.

---

⚙️ RT-Smart OS

• New Features

  • Added microsecond precision time handling by utilizing the hardware timer (cpu_ticks_ms).
  • Added support for Sitronix CF1124 touch driver.
  • Added USB host class NCM and CH397 support.

• Improvements

  • Accelerated SPI driver memory allocation and data transfer utilizing RVV optimized functions.
  • Accelerated UVC host memcpy with RVV and integrated profiling tools.
  • Increased maximum WLAN password length from 32 to 64 bytes.
  • Updated FPIOA and GPIO pin configuration limits to use dynamic constants based on RTC support.

• Bug Fixes

  • Fixed PMU IOMUX IO_SEL to use the correct bits per the K230 TRM.
  • Fixed drv_touch interrupt enable/disable logic and increased the message buffer.
  • Fixed RT-Smart syscall dispatch to correctly translate Linux riscv64 munmap/exit numbers.
  • Added bus names and DTS hints to I2C timeout logs for better debugging.

---

📚 RT-Smart Libraries

• New Features

  • Added HID keyboard event API header.
  • Integrated Tuya SDK (base 0208bade).
  • Added new RVV operations support.

• Improvements

  • Allowed users to set the alpha channel when creating an LVGL display.
  • Streamlined pin validation in GPIO and FPIOA drivers.

• Bug Fixes

  • Fixed lv_display_set_buffers to use the correct buffer size.
  • Fixed MQTT library build issues.
  • Corrected drv_gpio_toggle to cast the current value to gpio_pin_value_t.

---

🛠️ U-Boot & Board Support

• New Features & Hardware Support

  • Added board configurations for k230d_canmv_mini and Wondermk.

• Improvements

  • Increased the timeout for MMC SD operations and enabled weak pull-up resistors for better SD card stability.
  • Optimized CI workflow build times with parallel make executions.

---

📈 Full Changelog Links

• canmv
• mpp
• rtsmart
• u-boot
• k230_rtsmart_lib

v1.5-legacy

CanMV K230 SDK Release Notes v1.5-legacy

This is a Legacy/Baseline release. It captures the stable state of the CanMV K230 RTOS environment (based on RTOS SDK v0.6 submodules) before a major transition in the codebase.

If your project requires the current workflow and submodule structure, please use this version. Future releases will introduce significant changes that may not be backward compatible.

📌 Release Overview

This version synchronizes all core submodules (rtsmart, mpp, u-boot, etc.) to the rtos-v0.6 milestone, providing a feature-complete environment for AI, media processing, and RTOS development on the K230.

Submodule Version Mapping

• RT-Smart Kernel: rtos-v0.6
• MPP (Media Process Platform): rtos-v0.6
• RT-Smart Libs: rtos-v0.6
• RT-Smart Examples: rtos-v0.6
• U-Boot: rtos-v0.6

---

🚀 Key Features in this Legacy Baseline

1. Media Process Platform (MPP) Enhancements

• Audio 3A Integration: Added support for Acoustic Echo Cancellation (AEC), Automatic Noise Suppression (ANS), and Automatic Gain Control (AGC).
• New Codecs: Support for G.711A/U audio encoding and decoding.
• Video Encoding (VENC): Added multi-channel encoding demos and support for rotation, mirroring, and OSD (VENC_2D).
• Video Input (VICAP): Enabled hardware-level scaling and cropping for multi-channel output.

2. RT-Smart Kernel & Drivers

• New Hardware Support: Support for the K230D (SIP version) and k230d_evb board.
• Display: Added support for nt35516 and nt35532 panels.
• New Drivers: Added onewire (DS18x20), ws2812 (RGB LEDs), and improved CDC/EC200M (4G) support.
• System: Added romfs support and statfs syscall for better filesystem management.

3. Software Libraries & AI Examples

• Vision Functions: Introduced cv_lite with support for corner detection, undistortion, and rectangle drawing.
• Networking: Integrated the mqttclient library for IoT applications.
• New Demos: Added AI + RTSP streaming examples and a media pipeline demo for saving encoded video to the small core.

---

🛠 Stability & Bug Fixes

• Fixed USB CDC 100ms stall and potential kernel crashes during lsusb.
• Optimized I2C transfer reliability and fixed touch screen interrupt handling.
• Improved memory management and task scheduling stability in the RT-Smart kernel.

---

⚠️ Important Notice for Developers

This version is tagged as legacy because it represents the "end of an era" for the current SDK structure.

• Current Projects: If you are in the middle of a product cycle, stay on this version.
• New Projects: Be aware that the next major version will likely feature a different repository structure or breaking API changes.

🔗 Repository Resources

• SDK Source (Main)
• RTOS SDK Submodules
• Pre-built Images (Link to your specific download portal if applicable)

What's Changed

• [machine_pin] Fix "debounce" in machine_pin_irq by @lijian528 in #25
• [network_rt_smart] set nonblocking in connect by @lijian528 in #27
• Test touch by @kendryte747 in #28
• (fix): fix csc and videoframe to_image. by @kendryte747 in #29
• Add support for Yahboom K230 by @yahboomrdc in #31
• add AML020T LCD Pipline by @Rongkangqi in #33
• k230_hiwonder_canmv by @qqqwfm in #34

New Contributors

• @yahboomrdc made their first contribution in #31
• @Rongkangqi made their first contribution in #33
• @qqqwfm made their first contribution in #34

Full Changelog: v1.4...v1.5-legacy

What's Changed

• [machine_pin] Fix "debounce" in machine_pin_irq by @lijian528 in #25
• [network_rt_smart] set nonblocking in connect by @lijian528 in #27
• Test touch by @kendryte747 in #28
• (fix): fix csc and videoframe to_image. by @kendryte747 in #29
• Add support for Yahboom K230 by @yahboomrdc in #31
• add AML020T LCD Pipline by @Rongkangqi in #33
• k230_hiwonder_canmv by @qqqwfm in #34

New Contributors

• @yahboomrdc made their first contribution in #31
• @Rongkangqi made their first contribution in #33
• @qqqwfm made their first contribution in #34

Full Changelog: v1.4...v1.5-legacy

v1.4

🚀 CanMV K230 v1.4 Release Notes

We are proud to announce the v1.4 release of the CanMV K230 platform!

---

🧠 CanMV Core

• New Features

  • Added onewire ds18x20 support.
  • Added cv_lite module with new vision functions (corners, undistort, rects, etc.).
  • Added multiple new demos: AI+RTSP, WBC RTSP, ws2812.
  • Added support for new panels nt35516 and nt35532.
  • Added DHT sensor support.

• Improvements

  • Optimized MJPEG encoding and encoder stream handling.
  • Enhanced machine.* modules (UART, PWM, I2C, Timer, Pin, reset/bootloader).
  • Improved LVGL, VFS, GC, IDE resource management, and examples.

• Bug Fixes

  • Multiple fixes in aidemo, lvgl, Timer, ADC, PWM, UART, and I2C.
  • Fixed IDE file save/delete issues.

🔗 View detailed changes

---

🎥 Media Processing Platform (MPP)

• New Features

  • Added new panel: nt35532.
  • Added autofocus support (dw9714p).
  • Added GitLab CI auto-release support.

• Improvements

  • Updated panel timings, connector drivers.

• Bug Fixes

  • Fixed MIPI DSI timing calculation.
  • Fixed sensor bf3238 mode list.

🔗 View detailed changes

---

⚙️ RT-Smart OS

• New Features

  • Added new driver: onewire ds18x20.
  • Added new board config: k230d_evb.
  • Enabled romfs support.
  • Added syscall: statfs.
  • Added OSD enable/disable and VO debug tool.

• Improvements

  • Updated UART, I2C, SPI, PWM, WS2812, FPIOA, and netmgmt drivers.
  • Adapted CDC and EC200M to the serial framework.
  • Changed ethernet hostname to canmv_xxxx.

• Bug Fixes

  • Fixed drv_touch, lwp_pmutex, USB CDC 100ms stall, PWM, fpioa, and malloc handling.
  • Fixed lsusb -t crashed.

🔗 View detailed changes

---

📚 RT-Smart Libraries

• New Features

  • Added syscall for mq.
  • Added drv_ws2812, statfs, reset/reset_to_bootloader, and netmgmt HAL.
  • Added mqttclient 3rd-party library.

• Improvements

  • Enhanced drivers (UART, PWM, ADC, I2C, GPIO, FPIOA).
  • Added WLAN STA support for open SSIDs.

• Bug Fixes

  • Fixed UART, PWM, and FPIOA bugs.
  • Fixed mqttclient build failure.
  • Added pthread_mutex_lock fix.

🔗 View detailed changes

---

🛠️ U-Boot Bootloader

• New Features

  • Improved boot speed.
  • Updated prebuilt builds.

• Improvements

  • Updated board configs for k230d_evb and junroc.
  • Updated labplus_1956 GPIO/I2C defaults.

• Bug Fixes

  • Fixed GitHub Action push issue.

🔗 View detailed changes

---

📈 Full Changelog

• canmv
• mpp
• rtsmart
• u-boot
• k230_rtsmart_lib

v1.3

🚀 CanMV K230 v1.3 Release Notes

We are proud to announce the v1.3 release of the CanMV K230 platform! This release brings together all the improvements from v1.3-rc and v1.3-rc2, featuring enhanced hardware support, critical bug fixes, and new tools to streamline development on the K230 SoC.

---

🧠 CanMV Core

• MicroPython Integration:

  • Improved hardware abstraction with expanded module support.
  • Fixed HAL transmit data error.

• Peripheral Fixes:

  • Fixed machine.I2C not raising errors on failed transfers.
  • Corrected machine.FPIOA pin function mapping bugs.

• Display Enhancements:

  • Improved compatibility and performance with various display interfaces.

• Stability:

  • Addressed sensor initialization and memory management issues.

🔗 View detailed changes

---

🎥 Media Processing Platform (MPP)

• Video Encoding:

  • Added kd_mapi_venc_request_idr to allow IDR frame generation.

• Image Handling:

  • Enhanced mirror and flip functionality for better image control.

🔗 View detailed changes

---

⚙️ RT-Smart OS

• Driver Improvements:

  • Fixed I2C transfer timeout.
  • Resolved issues with RTL8189 AP mode.

• System Improvements:

  • Enhanced memory management and task scheduling.

• Peripheral Support:

  • Extended support for I2C, SPI, and other interfaces.

• Filesystem:

  • Improved reliability and performance under edge workloads.

🔗 View detailed changes

---

🛠️ U-Boot Bootloader

• New Hardware Support:

  • Added support for the k230d_evb board.

• Boot Enhancements:

  • Faster boot process and better boot stability.

🔗 View detailed changes

---

📚 k230_rtsmart_lib (New Component)

A new library package for RT-Smart apps:

• Simplifies application development on RT-Smart OS.
• Promotes reusable logic and streamlined integration.

🔗 Explore the repository

---

🧪 Tooling

• Image Generator Update:

  • Added support for new kdimg format for firmware images.
    (PR #6 by @kendryte747)

---

📈 Full Changelog

• canmv_k230
• canmv
• mpp
• rtsmart
• u-boot

---

We recommend all users upgrade to v1.3 to benefit from improved performance, broader hardware compatibility, and a more robust development experience.

For issues, feedback, or contributions, visit our GitHub organization.

v1.1

Version 1.1 is a complete overhaul for the K230 platform, designed to be more user-friendly and development-oriented.

Project Updates

• Repo Management: Subprojects are now managed with repo.
• Dependencies: Linux dependencies have been removed.
• Build System: Introduction of a new compilation system.
• Board Support: Added support for new boards, including DonshanPI, LCKFB, and others.

New Features

• CanMV:

  • Added support for WS2812 LEDs via GPIO.
  • Network support: Ethernet and Wi-Fi.
  • New board support: DonshanPI, LCKFB, etc.
  • Added support for a new display panel: ILI9806.
  • Audio module update: Added volume control capabilities.

• RT-Smart:

  • Automatic partition creation and mounting to /data.
  • Project management via Kconfig.
  • Added support for WS2812 LEDs via GPIO.
  • Added support for I2C slave mode.
  • Ethernet-over-USB support with RTL8152.
  • WLAN support: RTL8189 and CYW43xx.
  • Added support for NTP (Network Time Protocol).

• MPP (Multi-Processor Platform):

  • Sensor driver framework updated, now support GC2093, OV5647, and IMX335.
  • Updated screen driver framework.

• U-Boot:

  • New kburn tool, no longer dependent on DRAM.
  • Added support for new boards: DonshanPI, LCKFB, and more.

Bug Fixes

• CanMV:

  • Fixed IOMUX pins (36, 37).
  • Released UART3 for user access.

• RT-Smart:

  • Fixed missing I2C, SPI, and UART device nodes.

Full Changelog: https://github.com/kendryte/canmv_k230/commits/v1.1

v1.2.2

v1.2.2

Version 1.2.2 introduces minor bug fixes and new features to enhance functionality and performance.

New Features

RT-Smart

• Enhanced the tsensor driver with mutex support for improved concurrency and stability.

CanMV

• Added support for a new MIPI panel with a resolution of 368x552.
• Introduced the machine.chipid and machine.temperature APIs for accessing unique device identifiers and temperature data.
• Implemented os.urandom for generating random bytes and os.statvfs for retrieving filesystem statistics.

Bug Fixes

RT-Smart

• Resolved an issue where the MTP could not monitor the data partition effectively.

CanMV

• Fixed a bug that caused sensor snapshot failures when the sensor channel was bind to display.

Full Changelog: v1.2.1...v1.2.2

v1.2.1

Version 1.2.1 is a minor bug fix for v1.2

Bug Fixes

• CanMV:
  • Fix sensor and display release vb, now can remove try and catch block
  • Fix machie.I2C

Full Changelog: v1.2...v1.2.1

v1.2

Version 1.2 brings several new features, improvements, and bug fixes to the project. This update focuses on RTOS support, new hardware support, and various enhancements across the CanMV, RT-Smart, MPP, and U-Boot components.

Project Updates

• RTOS Only SDK: Added support for RTOS-only SDK build sample code and AI demo compile support.
• New Board Support: Added support for board ATK-DNK230D.

New Features

• CanMV:

  • Added soft I2C support for software-driven I2C communication.
  • Added SPI LCD driver support for SPI-based LCD displays.
  • Integrated Audio 3A support for improved audio processing.
  • Expanded hardware support with new boards, including ATK-DNK230D.
  • Added MIPI DSI debugger support for debugging MIPI DSI displays.
  • Introduced new machine.TOUCH module for touchscreen functionality.
  • New board type format added to display board memory size.

• RT-Smart:

  • Added dynamic memory size detection support.
  • Integrated support for 4G module (EC200M).
  • Added probe support for touch devices, including a new driver for CHCS5XXX.
  • Introduced FPIOA driver for flexible I/O array support.
  • Added USB host split support.
  • Improved project structure to allow users to specify custom app folder.
  • Added support for resizing GPT partitions.

• MPP:

  • Added MIPI DSI debugger support for debugging MIPI DSI displays.
  • Added support for new sensor models (bf3238, sc132gs).
  • Added support for new 2.4-inch, 480x640 LCD display.
  • Added build sample support for MPP.

• U-Boot:

  • Added dynamic memory size detection.
  • Integrated support for new boards including ATK-DNK230D.
  • Enhanced Kburn OTP support.

Bug Fixes

• CanMV:

  • Fixed sensor MCM mode error.
  • Fixed LVGL pixel format handling issue.
  • Resolved SPI driver issues.
  • Fixed UART driver communication problems.
  • Corrected machine.PWM duty cycle error.
  • Fixed NN image inference error.

• RT-Smart:

  • Fixed issues with SPI driver.
  • Corrected I2C driver issues.
  • Resolved UART driver bugs.
  • Fixed CherryUSB functionality.

• MPP:

  • Fixed sensor register configuration for GC2093, OV5647, and IMX335.
  • Fixed LCD timing for 3.5-inch 480x800 ST7701 display.

Full Changelog: v1.1...v1.2