mirror of https://github.com/Desuuuu/klipper.git
35 lines
1.9 KiB
Plaintext
35 lines
1.9 KiB
Plaintext
The source for the hid-flash program in this folder is a deriviative of the
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"cli" modified by Vassilis Serasidis to work with the STM32 Arduino core,
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available here:
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https://github.com/Serasidis/STM32_HID_Bootloader/tree/master/cli
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The original source for hid-flash was written by Bruno Freitas, available
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here:
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https://github.com/bootsector/stm32-hid-bootloader/tree/master/cli
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This derivative contains the following changes:
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1) The "port" argument is now optional. If not supplied hid-flash will not
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attempt to open a serial port and enter the bootloader, it will assume
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that the device has already entered the bootloader and look for a USB
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device with the appropriate Vendor and Product IDs. This change allows
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Klipper's "flash_usb.py" script to enter the bootloader and wait for the
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mcu to reconnect.
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2) When the serial port is specified, hid-flash will use Klipper's procedure
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for entering the bootloader (Open the port at 1200 baud and toggle DTR).
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3) The hid-flash program now accepts a command from the bootloader that allows
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a STM32F103 device to identify itself as a "high-density" device during
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the flashing process. This fixes a bug where the final page would not
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be written if the last portion of the binary was less than or equal to
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1024 bytes. A forked version of the bootloader is required to send the
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"high-density" command, however the tool will still work correctly with
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the original bootloader (sans the bug that affects high density devices).
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4) A typo was fixed where an "if" statement was using an assignment operator
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to test for equality.
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5) The Makefile was changed to check for the libusb-1.0 dependency. If it
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does not exist the user will be warned and the build aborted, however
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no error will be generated. This allows Klipper's "make FLASH"
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functionality to work when flashing via DFU without installing the
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libusb-1.0 dependency for hid-flash.
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- Eric Callahan <arksine.code@gmail.com>
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