You saw this post too, right? You’ll get some errors when flashing.
This is a copy of the output you should get:
Ψ Compiling keymap with gmake --jobs=1 m_star_classic:wendell:flash
QMK Firmware 0.20.8
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k4J in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k5I in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key K64 in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k76 in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key K6B in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k7C in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k7D in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k0I in macro LAYOUT_at122 has no matrix position!
⚠ m_star_classic: UNUSED_PINS in config.h is deprecated and will be removed at a later date
⚠ m_star_classic: PRODUCT_ID in config.h is deprecated in favor of `usb.pid` in info.json and will be removed at a later date
⚠ m_star_classic: VENDOR_ID in config.h is deprecated in favor of `usb.vid` in info.json and will be removed at a later date
⚠ m_star_classic: PRODUCT in config.h is deprecated in favor of `keyboard_name` in info.json and will be removed at a later date
⚠ m_star_classic: MANUFACTURER in config.h is deprecated in favor of `manufacturer` in info.json and will be removed at a later date
⚠ m_star_classic: DEVICE_VER in config.h is deprecated in favor of `usb.device_version` in info.json and will be removed at a later date
Making m_star_classic with keymap default and target flash
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k4J in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k5I in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key K64 in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k76 in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key K6B in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k7C in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k7D in macro LAYOUT_at122 has no matrix position!
☒ Invalid LAYOUT macro in keyboards/m_star_classic/m_star_classic.h: Key k0I in macro LAYOUT_at122 has no matrix position!
⚠ m_star_classic: UNUSED_PINS in config.h is deprecated and will be removed at a later date
⚠ m_star_classic: PRODUCT_ID in config.h is deprecated in favor of `usb.pid` in info.json and will be removed at a later date
⚠ m_star_classic: VENDOR_ID in config.h is deprecated in favor of `usb.vid` in info.json and will be removed at a later date
⚠ m_star_classic: PRODUCT in config.h is deprecated in favor of `keyboard_name` in info.json and will be removed at a later date
⚠ m_star_classic: MANUFACTURER in config.h is deprecated in favor of `manufacturer` in info.json and will be removed at a later date
⚠ m_star_classic: DEVICE_VER in config.h is deprecated in favor of `usb.device_version` in info.json and will be removed at a later date
arm-none-eabi-gcc (15:10.3-2021.07-4) 10.3.1 20210621 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Size before:
text data bss dec hex filename
0 31614 0 31614 7b7e m_star_classic_default.bin
Compiling: quantum/command.c [OK]
Linking: .build/m_star_classic_default.elf [OK]
Creating binary load file for flashing: .build/m_star_classic_default.bin [OK]
Creating load file for flashing: .build/m_star_classic_default.hex [OK]
Size after:
text data bss dec hex filename
0 31614 0 31614 7b7e m_star_classic_default.bin
Copying m_star_classic_default.bin to qmk_firmware folder [OK]
Flashing for bootloader: stm32duino
dfu-util 0.9
Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2016 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/
Opening DFU capable USB device...
ID 1eaf:0003
Run-time device DFU version 0110
Claiming USB DFU Interface...
Setting Alternate Setting #2 ...
Determining device status: state = dfuIDLE, status = 0
dfuIDLE, continuing
DFU mode device DFU version 0110
Device returned transfer size 1024
Copying data from PC to DFU device
Download [=========================] 100% 31616 bytes
Download done.
state(8) = dfuMANIFEST-WAIT-RESET, status(0) = No error condition is present
Done!
Resetting USB to switch back to runtime mode