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Add AVR DU-series support: USB CDC/HID stack, bootloader, and core peripherals
- #637
#637
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Add AVR DU-series support: USB CDC/HID stack, bootloader, and core peripherals
#637
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Commits on May 30, 2026
feat(avr-du): add interrupt-driven USB CDC stack for AVR DU series
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feat(avr-du): add USB CDC bootloader for AVR64DU32
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feat(avr-du): add AVR64DU32 Curiosity Nano board and boards.txt entries
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feat(avr-du): add PluggableUSB bridge and HID library
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docs(avr-du): add MIT license headers to USB stack sources
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feat(avr-du): add USB CDC bootloader sources and docs
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Fix for ArduinoJoystickLibrary
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fix(avr-du): default generic avrdu FLMAP to unlocked
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chore: ignore megaavr/platform.local.txt
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Commits on May 31, 2026
fix to my merging operation failed
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feat: include "usb_ep_types.h" in PluggableUSB.h and USBAPI.h
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fix: change endpoint type from unsigned int to uint8_t and add usb_auto_init declaration
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Commits on Jun 2, 2026
Fix Serial(USB-CDC) streaming problem
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Fix to mistake to update bootloader source codes
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Fix to access EEPROM by USB-CDC
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Fix document name AVR064 -> AVR061
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Commits on Jun 3, 2026
Marge AVR64DU32 & more to DxCore hex storage directory
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Commits on Jun 9, 2026
Add build all du hexes
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Commits on Jun 10, 2026
Fix sample program "PWMTest.ino" problems for DU-series
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Commits on Jun 12, 2026
Fix USB-HID functions with "HID-Project"
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Fix DU analogRead problem (the read range is 8bit)
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Change built-in led pin to PA7/PD6 from PF2(CuriosityNano onboard LED)
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Organize the insertion point of the avrduusb
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Add avrduusb VID/PID definitions
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Change PID definitions 0xDA33/0xDA32 -> 0x0001/0x0002
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Commits on Jun 17, 2026
Add AVR DU support to Logic.h
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Add AVR DU support to Comparator.h
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Add AVR DU support to Event
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Commits on Jun 18, 2026
Add IADDescriptor to USB stack for MIDIUSB
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ISR-shared connection-state vars need volatile; LTO hoisted the read out of while(!Serial)
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Commits on Jun 26, 2026
boards: add FLMAP menu for AVR DU boards (lockdefault default, 3 options)
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Commits on Jul 11, 2026
Event: complete EVSYS v3 support for DU-series (+ core helper fixes)
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Add menu for selecting VREG (internal USB controler power supply) mode.
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Commits on Jul 13, 2026
usbcdcboot: app-callable SPM entry + keep .rodata inside the boot section
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Flash: support writes through the AVR-DU CDC bootloader SPM entry
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usbcdcboot: gate the .rodata flag on the compiler, not unconditionally
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Flash: honour the CDC bootloader's 4 KB boot section in the write guards
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Flash: fix writeBytes() - dropped trailing byte, corrupted neighbour, lost data pointer
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Flash: rebuild DU bootloader fixed FLASH problems.
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USERSIG: fix for the DU-series 512-byte USERROW
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USERSIG: add UsersigTest example
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