openmv/openmv v4.6.0

on GitHub

⚠️ Breaking Changes

• scripts: Remove obsolete u-prefix from imports.

🪄 Image

• • imlib: xalloc image to be cache aligned.
• • draw: Simplify GPU source rect calculation.
• • draw: Enable GPU in-place cut-through.
• • draw: Fixed transpose on SDRAM-less boards.
• imlib: Update draw_image alpha to 0-255 from 0-256.
• • bayer: Fix debayer bound predication.
• • draw: Optimize set_pixel_aa.

🧬 HAL

• • stm32: Clean up system file.

📚 Libraries

• • models: Add YOLOv2 model.
• • tflm: Rename YoLoV5 Nano model.
• • tflm: Add YoloV5 model for testing.
• • tflm: Add extra padding to arena size.
• • apps: Allow passing gain to audio init.
• • tflm: Update submodule.

🤖 Sensors

• • GenX320: Add IOCTL for biases settings.
• • genx320: Round frequency calc.
• • pag7936: Add missing control functions.
• • genx320: Enable histogram mode.
• • pag7936: Add support for MIPI mode.
• • pag7936: Enable lens shading correction.
• • mt9v0xx: Fix bayer output.
• • ov5640: Fix PCLK calculation for setting correct exposure time.
• sensors: Add PAG7936 sensor driver.
• sensors: Add genx320 driver.

💾 Drivers

• • nema: Update license file.
• • vl53l5cx: Add support for power pin.
• • lsm6dsm: Add LSM6DSM driver.
• drivers: ToF updates and fixes.

🧱 Modules

• modules: Fix bool args.
• • py_ml: Clean up fb_alloc path.
• • py_ml: Align model data allocated on GC.
• • omv: Fix USB debug mode function.
• • omv: Move debug mode flag to omv module.
• • ulab: Update ULAB to version 6.6.1.
• modules: Remove ST header.
• modules: Move IMU to generic modules.
• modules: Add RGB stats ioctl.

🐍 Micropython

• micropython: Update submodule.
• micropython: Update submodule.
• micropython: Switch to openmv-1.24.0 branch.
• micropython: Update submodule.
• micropython: Update to MicroPython 1.24.
• micropython: Update documentation for v4.5.9.

🧪 Ports

• • all: Fix MISO/MOSI pins being used in TX/RX only mode.
• • stm32: Update GPU driver.
• • stm32: Fix MDMA initialization.
• • omv_gpu: Fix cache line clean size.
• • nema: Include missing irq header.
• • stm32: Add support for Nema GPUs.
• • stm32: Disable btree by default.
• • nrf: Update board config options.
• • stm32: Fix float conversion warning.
• • stm32: Make usage of MDMA for jpeg compression conditional.
• • stm32: Fix DMA base calculation for F4/F7/H7.
• • stm32: Update SPI driver.
• • stm32: Misc updates.
• • rp2: Fix firmware.
• • stm32: Misc updates.
• • stm32: Check if FFS region is defined.
• • stm32: Rename old STM32 files.

⚙️ Boards

• • ARDUINO_PORTENTA_H7: Move ETH DMA buffers into SRAM3.
• boards: Fix DRAM address for boards with swapped banks.
• • RPI_PICO: Fix build.
• boards: Remove pro board.

📜 Scripts

• • libraries: Simplify YOLO post-processing using keepdims.
• • libraries: Add yolo v5 post processing support.
• • examples: Update image classification example.
• • examples: Fix new refactored IOCTL names.
• • libraries: Revert fully vectorize and cleanup yolo_v2.
• • libraries: Fully vectorize and cleanup yolo_v2 post-processing.
• scripts: Add yolov2 post-processor.
• • libraries: Update boot script.
• • ibraries: Update ml.
• • examples: Move microspeech example.
• scripts: Update examples.
• scripts: Remove obsolete u-prefix from imports.

🛠 Tools

• • alif: Update device rev.
• • alif: Update tools to release 1.101.0.
• • alif: Update device config.
• • alif: Update tools.
• • alif: Update default part.
• • tflite2c: Fix Vela model summary.

🥾 Bootloader

• bootloader: Add special flash recovery partition.
• bootloader: Support forced mode.
• • stm32: Misc fixes.
• • stm32: Add support XSPI MMAP in DTR mode.
• • stm32: Update XSPI driver.
• • stm32: Enable XSPI clocks in low-power.
• • stm32: Remove hard-coded prescaler.
• bootloader: Fix stm32 cache disable.
• bootloader: Add separate XIP partitions.
• bootloader: Fix XN bit for first partition.
• bootloader: Set first partition's region as executable.
• bootloader: Misc fixes and updates.
• bootloader: Fix string descriptor index.
• bootloader: Misc fixes.
• bootloader: Clean up files.
• bootloader: Add boot partition.
• bootloader: Add common flash interface.
• bootloader: Misc fixes.
• bootloader: Add new TinyUSB-based DFU bootloader.

🪛 Misc Fixes:

• misc: Update get_state() to work with a variable packet size.
• misc: Include CMSIS header in pendsv.
• misc: Move networking variables to board/port Makefiles.
• • py_ml: Round-up dynamic alloc size.
• build(deps): bump actions/cache from 4.1.2 to 4.2.0
• misc: Remove CLA workflow.
• misc: Add CLA workflow.
• • boson: Add initial support for the FLIR Boson.
• boot: Fix m4 and m7 dfu bootloader.
• • vospi: Set vospi bus CPOL=1 and CPHA=1.
• misc: Add CSI2 hardware flag.
• misc: Move CSI state to csi struct.
• misc: Fix typo.
• misc: Ml build cleanup.
• py_image: Fix corruption using to_ndarray() on grayscale images.
• build(deps): bump actions/cache from 4.0.2 to 4.1.2
• misc: Add common filesystem boot script.
• misc: Limit IDE FPS to 20Hz.
• misc: Fix dropped character in debug text.
• misc: Clean up old stm32 files.
• misc: Clean up board Make flags.
• misc: Refactor Makefile variables, and misc bootloader fixes.
• misc: Schedule TinyUSB task in VM node.
• py_image: Add new depth palette.
• misc: refactor sensor drivers.
• misc: Update licenses.
• misc: Add a flag to ioctls to abort streaming.
• • common: Support overriding the resolution table.