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CHANGELOG.md

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Change Log

3.5.1 (2019-12-06)

  • Update ulab submodule.
  • Update Tensorflow library.
  • Fix sepconv3 bug.
  • Fix debug build errors.

3.5.0 (2019-11-04)

  • Update CMSIS to v5.4.0
  • Update H7 HAL to v1.5
  • Update MicroPython to 1.11.
  • Update WINC1500 firmware to v19.6.1.
  • Update WINC1500 host driver to v19.3.0.
  • Add STM32Cube.AI support.
  • Add TensorFlow Lite for microcontrollers.
  • Add built-in person detector with TF Lite.
  • Add ulab and openrv libraries.
  • Add support for 32-bit SDRAM @100MHz.
  • Add Arduino UART example.
  • Add new ADC example for internal channels.
  • Add new HTTPs client examples.
  • Fix fb_alloc bug introduced in v3.5.0-beta.2.
  • Fix ADC driver to work with new H7 HAL.
  • Fix BMP bug when reading 24-bit images.
  • Fix Lepton Hardfault when setting VGA/RGB565.
  • Fix SPI WFI bug on F7.
  • Fix cpufreq H7 frequencies.
  • Fix Makefile order dependency issues.
  • Fix VSCALE0 low-power mode.
  • Enable mod USSL with MBEDTLS.
  • Enable QSPI internal storage for OpenMV-4R2.
  • Enable VSCALE0 for rev V devices.
  • All the modules in scripts/libraries are now frozen.

3.5.0-beta.3 (2019-10-25)

  • Update WINC1500 to firmware v19.6.1 and host driver v19.3.0.
  • Add STM32Cube.AI support.
  • Fix fb_alloc bug introduced in v3.5.0-beta.2.
  • Enable QSPI internal storage for OpenMV-4R2.
  • Switch to VSCALE1 before entering low-power mode.
  • Add support for TensorFlow Lite for Microcontrollers.
  • Enable mod USSL with MBEDTLS.
  • Update HTTP/S client examples.
  • Fix Makefile order dependency issue causing non-parallel builds to fail.

3.5.0-beta.2 (2019-10-12)

  • Update to CMSIS v5.4.0
  • Update to H7 HAL v1.5
  • Update ADC driver to work with new H7 HAL.
  • Enable VSCALE0 for rev V devices.
  • Enable PLL3 for ADC and SPI123v and use PLL2 for FMC (outputs 200MHz).
  • Add support for 32-bit SDRAM @100MHz.
  • Fix BMP bug when reading 24-bit images.
  • Update ADC examples
  • Add new ADC example for internal channels.
  • Add Arduino UART example.
  • Update Arduino SPI example to use callbacks.
  • Add PWM channel 3 and servo 3 to pwm and servo examples.
  • Fix Lepton Hardfault when setting VGA/RGB565.

3.5.0-beta.1 (2019-09-30)

  • Update to MicroPython 1.11.
  • Update examples.
  • Fix SPI WFI bug on F7.

3.4.3 (2019-09-27)

  • Fix delay when JPEG encoding overflows (affects H7).

3.4.2 (2019-09-16)

  • Fix H7 RTC bugs.
  • Fix binary ops bug.
  • Fix H7 deepsleep mode.
  • Fix JPEG mode bugs.
  • Fix H7 DMA bug.
  • Fix LBP ROI bug.
  • Update OV2640 driver.
  • Add support for OV5640.
  • Add new SDRAM board support.
  • Add new libraries and examples.
  • Add FB alloc statistics, enable with (FB_ALLOC_STATS=1).
  • Add support for H7 FDCAN.
  • Enable btree module.
  • AprilTag: support flipped/mirrored images.
  • AprilTag: support high resolution images.
  • WINC1500: Add netinfo function.
  • WINC1500: Support static IPs.
  • WINC1500: Fix timeout issues with WINC wrapper.
  • WINC1500: Fix accept() hardfault on unbound sockets.

3.4.1 (2019-05-02)

  • This patch release fixes an issue with Lepton clock.

3.4 (2019-04-30)

  • Update NN models.
  • Add SSD1306 OLED driver.
  • Add more Python examples.
  • Upgrade H7 clock to 480MHz.
  • Fix ctrl-c on REPL UART.
  • Fix WINC crashing on select/poll calls.
  • Fix SCCB/I2C timing for F7&H7 (set to ~100KHz).
  • Fix H7 SD clock.
  • Fix broken OpenMV-2 firmware.
  • Fix binary function in RGB565 mode.
  • Fix frozen modules build.

3.3.1 (2019-03-23)

  • Fix NN enum size bug.
  • Fix H7 JPEG encoder bug.

3.3 (2019-03-18)

  • Update FatFS to FF13C.
  • Update FLIR and MT9V034 drivers.
  • Add new libraries and examples.
  • Add masking functions.
  • Add configurable color palettes.
  • Add FLIR measurement mode (AGC disabled).
  • Add py TV module support.
  • Fix H7 ADC bug.
  • Fix JPEG MCU boundaries.
  • Fix exFAT bug.
  • Fix fb_alloc_mark bug.

3.2 (2018-11-04)

  • Fix column buffer bug in CMSIS-NN library.
  • Fix H7 SPI clock source.
  • Fix bug in LBP.
  • Fix WINC1500 initialization timeout bug.
  • Fix REPL on UART bug.
  • Use DMA in FLIR/Lepton driver.
  • Update NN documentation.
  • Update to CMSIS NN 5.4.0
  • Faster UVC streaming.
  • Enable exFAT for OpenMV F7 and H7.

3.1 (2018-10-02)

  • Fix/Re-enable CAN.
  • Fix WINC recv buffer bug.
  • Fix SPI timeout in slave mode.
  • Improved FLIR drivers.
  • Add sensor shutdown function.
  • Add selective search
  • Add support for WiFi programming.
  • Add new UVC firmware.
  • Add support for the new MLX sensors.

3.0 (2018-06-29)

  • Fix SPI driver bug.
  • Fix pendsv hardfault bug.
  • Fix WINC driver bug.
  • Fix collections list_pop_front bug.
  • Re-enable OMV2 build.
  • Update to MicroPython 1.9.4.
  • Add support for loading NN models.
  • Add NN quantization and converter scripts and example models.
  • Add support for running Haar on RGB images.
  • Add support for running keypoints on RGB images.

2.9 (2018-05-06)

  • Fix BAYER boundary issue.
  • Re-enable SD DMA transfers.
  • Fix bug in non-DMA SD transfers.
  • Add FLIR Lepton1/2/3 support.

2.8 (2018-04-23)

  • Improved H7 support.
  • Enable text scaling.
  • Fix Image.save bug.
  • Make imlib more configurable.
  • Update MicroPython.
  • Add CMSIS NN example.
  • Add new example scripts.
  • Improved JPEG quality (for M7 and H7).
  • Add color thresholding support to get_histogram/stats.

2.7 (2018-01-24)

  • Add LeNet NN.
  • Add shadow removal.
  • Implement low-power modes.
  • Update WINC firmware.
  • Update gain, exposure and white balance controls.
  • Add MQTT library and example.
  • Support BAYER get_pixel().
  • Fix getaddrinfo bug.
  • Fix find template bug.

2.6 (2017-11-04)

  • Update to MicroPython 1.9.2
  • Support saving bayer (raw) images.
  • Add perspective rotation correction code.
  • Fix blob density.
  • Fix color VGA image save.
  • Remove invalid resolutions.

2.5 (2017-08-10)

  • Fix UART timeout when using slow baudrate.
  • Enable RTC.
  • Remove openmv.inf and update Readme.
  • Support recording and viewing raw videos.
  • Add linear regression.
  • Add find_rectangles and find_circles.
  • Improve find_lines merging.
  • Fix bug in ORB matching descriptor loaded from file.
  • Support new OpenCV Haar format.
  • Fix bug in Haar cascades loading.
  • Add initial LeNet port.
  • Add unit-tests.
  • Fix uninitialized FB enabled bug.
  • Fix Servo(3).
  • Fix MJPEG/GIF BAYER support.

2.4.1 (2017-06-04)

  • Upstream Kanji fix.
  • Upstream MP SCSI fix.
  • Fix binary ops names.

2.4 (2017-05-30)

  • Implement faster line detection algorithm.
  • Support line segments detection.
  • Support higher FPS on OpenMV 2 and 3.
  • Add data matrix support.
  • Add more small resolutions.
  • Enable UART1 on OpenMV3/M7
  • Enable VSYNC output on IO pin.
  • Fix QR Code bug.
  • Fix UDP recvfrom bug.
  • Minor fixes, typos and docs updates.

2.3 (2017-03-26)

  • Support WiFi Access Point mode.
  • New BAYER/RAW pixel format.
  • Support RGB VGA frames.
  • 1D barcode support using (zbar).

2.2 (2017-02-28)

  • Add Apriltags support
  • Fix OMV3 bootloader LED pins
  • Enable CAN
  • Enable extra MP modules (json, re, zlib, hashlib, binascii, random)
  • Add Pixy emulation.
  • QR Code bug fixes

2.1 (2017-01-21)

  • New keypoints descriptor (ORB).
  • QR decoding via quirc library (https://github.com/dlbeer/quirc)
  • Support load to FB directly in copy_to_fb.
  • Export lens shading function.
  • Add AGAST corner detector.
  • Implement set_gain/exposure/whitebalance functions.
  • Various optimizations and speedups
  • Fix uSD cache issues on M7.
  • Fix broken ADC on M4 and M7.
  • Fix image compress and compressed.
  • Fix ff_wrapper bug.
  • Fix OMV3 LEDs pinout

2.0 (2016-11-04)

Firmware:

  • WiFi driver fixes.

Image processing:

  • Add HoG (not used yet).
  • Add lens correction function.
  • Add clear image for quick testing.
  • Fix template ROI.
  • Switch to FAST-12.
  • Misc fixes to image library.

1.9 (2016-09-20)

Firmware:

  • Initialize RNG when calling randint.

Image processing:

  • Fix and update Kmeans code.
  • Add ellipse masking function.
  • Add face recognition code and example script.
  • Add Hough Transform code and example script.
  • Add Canny edge code and example script.
  • Add Gaussian function for quick testing.

1.8 (2016-08-31)

Firmware:

  • Mainly WiFi driver fixes, more stable streaming, timeouts and better error handling.
  • Fixed FPS slow down in dark images (max FPS reduction is 30FPS)

1.7 (2016-08-25)

Firmware:

  • Update CMSIS, DSP lib and HAL.
  • Adaptive JPEG quality based on JPEG frame size.
  • Improved self-tests on OV7725.
  • New CPU frequency scaling Python module.
  • Allow setting MLX refresh rate and ADC resolution.
  • Use a dedicated JPEG buffer (improves IDE FPS).

1.6 (2016-07-27)

IDE:

  • Add checkbox to disable the framebuffer update

Firmware:

  • Set FB JPEG quality/subsampling based on frame size.

Image processing:

  • Implement windowing.
  • Implement horizontal and vertical binning.
  • Implement optical flow with phase correlation.
  • Implement copy image to framebuffer for testing.
  • Allow ROIs and step in template matching function.
  • Implemented diamond search for fast template matching.
  • Fix bug in integral_image_sq and lookup.
  • Add new smaller resolutions
  • Improved/fixed JPEG code

1.5 (2016-06-01)

IDE:

  • Fix pinout reference image.
  • Fix reset on bootloader (reset cam just before the bootloader runs).
  • Add an option to erase flash filesystem sectors in bootloader dialog.
  • Show color statistics in a message dialog.

Firmware:

  • Update to MicroPython v1.8
  • Change MLX ADC resolution to 18 bits.
  • Fixed GC collect bug (.bss and .data were not scanned, fixed in MP update).
  • Generate a combined (bootloader + app) dfu and binary images
  • Rename firmware images:
  • bootloader.xxx (CDC bootloader images)
  • firmware.xx (main application firmware images)
  • openmv.xx (combined bootloader+firmware images)

Image processing:

  • Allow image line-by-line pre-processing from Python callbacks.

1.4 (2016-05-02)

IDE:

  • Fix text editor undo bug.
  • New bootloader dialog.
  • Fix and update example scripts.
  • Fix preferences dialog.
  • Remove refresh button.

Firmware:

  • Fixed file wrapper initialization bug.
  • New CDC-based bootloader (works on Linux, Windows and OSX)
  • Implement new sensor functions (disable AGC and AEC)
  • Fix WINC bug overriding sent data.

Image processing:

  • Color codes support.
  • New color blob detector.

1.3 (2016-04-07)

IDE:

  • Implement the IDE copy color function.
  • Update examples menu using categories.
  • Fix conflict with PyInstaller scripts.

Firmware:

  • Add initial WiFi (WINC1500) support.
  • Update WINC1500 driver and firmware to 19.4.4
  • Support WINC1500 firmware update from uSD fw image.
  • Improved MLX (FIR) temperature scaling and drawing.
  • Add WiFi examples (mjpeg streamer, NTP, scan, connect and firmware update)

Image processing:

  • Implement AWB/HMirror/VFlip.
  • Implement mean, median and mode filters.

1.2 (2016-03-19)

IDE:

  • About dialog, license and credits.
  • Pin-out image for quick reference.
  • Check for updates on startup.
  • Support older firmware versions.
  • Retry a few times when connecting.
  • Enable/Disable framebuffer JPEG compression.

Firmware:

  • Support the newer OV7725 sensor.
  • Add snapshot timeout to avoid locking the cam.
  • Fix PWM/Servos timer, channels and pin-mappings.
  • Add OpenMV boards configuration files in omv/boards.
  • Support the new MLX90621 sensor and add proper rainbow scaling.
  • Better script handling, and soft reset support.
  • JPEG-compress the framebuffer to lower the bandwidth and fake double-buffering.
  • YUV to Grayscale conversion on the fly.
  • Add sanity checks and more meaningful error messages.
  • Allocate FatFS LFN buffer on stack (frees 255 heap bytes).
  • Move the FatFS and MSC buffers to main RAM (saves heap and allows DMA access).
  • Use DMA for SDIO transfers.
  • Remove framebuffer mutex (IDE reads images before snapshots).
  • Define pin aliases (P0..P8)/
  • Move LCD to built-in module.

Image processing:

  • Improved iris detection.
  • Edge detection, generic convolution, motion detection and GIF support.
  • JPEG compressor optimizations (70ms @QVGA 320x240) faster BinDCT and 2x2 subsampling.
  • Proper JPEG headers for Grayscale images.
  • Bug fixes in old integral image code and a new integral image using a moving window.
  • Set the number of pixels counted in each blob in imlib_count_blobs.
  • Simplify the image descriptor APIs, use a generic image.load/save/match_descriptor functions.
  • Add HQVGA resolution, and special digital effects support.
  • Support higher Grayscale resolutions (up to QVGA) for most algorithms.
  • Image processing functions accept paths to images on uSD.

1.1 (2015-08-15)

  • Rollback to gtksourceview
  • Use MP peripherals
  • Add ABI version and check it in the IDE
  • Add common cascades to the flash
  • Fix changing pixformat bug
  • Fix sensor reset
  • gc/xalloc race bug
  • Fix sensor clock
  • Update to MP 1.4.4
  • Add udev rules help and check for udev file
  • Update USB PID:VID
  • Update inf file
  • Generate Linux/Windows packages
  • Catch and print syntax errors
  • Add colorbar mode function
  • Optimize the IDE (revert to numpy, use timeout_add etc..)
  • Remove obselete #define from mpconfigboard.h
  • Write colorbar test
  • Fix silkscreen
  • Rename Eagle files
  • Move misc image functions to image module
  • Delay sensor init after USB storage to log errors to file
  • Implement get/set pixel
  • Fix push/pop scope (re-init mp before running scripts)
  • Update examples
  • Fix main script FS template in main.c
  • Remove global misc functions
  • Remove lib folder
  • Fix draw_string
  • Disable built-in DFU on Windows

1.0.3-beta (2014-11-15)

  • Binary packaged using py2exe
  • Mixed 32/64 bit Windows installer
  • Fix USB issue on Windows 7 64-bit
  • Enable color-lookup (was disabled in binaries)

1.0.2-beta (2014-11-11)

  • Fixes USB issues on Windows.
  • New MSI package for Windows users
  • Moved all user data are stored in home directory.

1.0.1-beta (2014-11-2)

  • Minor fixes for compatibility with Windows.

1.0.0-beta (2014-10-31)

  • First release.