668 lines
19 KiB
Makefile
668 lines
19 KiB
Makefile
MCU_ORIG := $(MCU)
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ifneq ($(findstring MKL26Z64, $(MCU)),)
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# Cortex version
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MCU = cortex-m0plus
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 6
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = KINETIS
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MCU_SERIES = KL2x
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# Linker script to use
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# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= MKL26Z64
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# Startup code to use
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# - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= kl2x
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= PJRC_TEENSY_LC
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endif
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ifneq ($(findstring MK20DX128, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = KINETIS
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MCU_SERIES = K20x
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# Linker script to use
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# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= MK20DX128
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# Startup code to use
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# - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= k20x5
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= PJRC_TEENSY_3
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endif
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ifneq ($(findstring MK20DX256, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = KINETIS
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MCU_SERIES = K20x
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# Linker script to use
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# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= MK20DX256
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# Startup code to use
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# - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= k20x7
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= PJRC_TEENSY_3_1
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endif
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ifneq ($(findstring MK66FX1M0, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = KINETIS
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MCU_SERIES = MK66F18
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# Linker script to use
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# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= MK66FX1M0
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= MK66F18
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= PJRC_TEENSY_3_6
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endif
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ifneq ($(findstring STM32F042, $(MCU)),)
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# Cortex version
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MCU = cortex-m0
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 6
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F0xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F042x6
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f0xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F042X6
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USE_FPU ?= no
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# UF2 settings
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UF2_FAMILY ?= STM32F0
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# Stack sizes: Since this chip has limited RAM capacity, the stack area needs to be reduced.
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# This ensures that the EEPROM page buffer fits into RAM
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USE_PROCESS_STACKSIZE = 0x600
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USE_EXCEPTIONS_STACKSIZE = 0x300
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endif
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ifneq ($(findstring STM32F072, $(MCU)),)
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# Cortex version
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MCU = cortex-m0
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 6
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F0xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F072xB
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f0xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F072XB
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USE_FPU ?= no
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# UF2 settings
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UF2_FAMILY ?= STM32F0
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endif
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ifneq ($(findstring STM32F103, $(MCU)),)
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# Cortex version
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MCU = cortex-m3
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F1xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F103x8
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f1xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F103
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USE_FPU ?= no
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# UF2 settings
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UF2_FAMILY ?= STM32F1
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endif
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ifneq ($(findstring STM32F303, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F3xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F303xC
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f3xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F303XC
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32F3
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endif
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ifneq ($(findstring STM32F401, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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ifeq ($(strip $(BOOTLOADER)), tinyuf2)
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MCU_LDSCRIPT ?= STM32F401xC_tinyuf2
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FIRMWARE_FORMAT ?= uf2
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else
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MCU_LDSCRIPT ?= STM32F401xC
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endif
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= BLACKPILL_STM32_F401
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32F4
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endif
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ifneq ($(findstring STM32F405, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F405xG
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F405XG
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32F4
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endif
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ifneq ($(findstring STM32F407, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F407xE
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F407XE
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32F4
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endif
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ifneq ($(findstring STM32F411, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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ifeq ($(strip $(BOOTLOADER)), tinyuf2)
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MCU_LDSCRIPT ?= STM32F411xE_tinyuf2
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FIRMWARE_FORMAT ?= uf2
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else
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MCU_LDSCRIPT ?= STM32F411xE
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endif
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= BLACKPILL_STM32_F411
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32F4
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endif
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ifneq ($(findstring STM32F446, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32F4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32F446xE
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32f4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_F446XE
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USE_FPU ?= yes
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endif
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ifneq ($(findstring STM32G431, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32G4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32G431xB
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32g4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_G431XB
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32G4
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endif
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ifneq ($(findstring STM32G474, $(MCU)),)
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# Cortex version
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MCU = cortex-m4
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# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
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ARMV = 7
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## chip/board settings
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# - the next two should match the directories in
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# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
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MCU_FAMILY = STM32
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MCU_SERIES = STM32G4xx
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# Linker script to use
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# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
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# or <keyboard_dir>/ld/
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MCU_LDSCRIPT ?= STM32G474xE
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# Startup code to use
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# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
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MCU_STARTUP ?= stm32g4xx
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# Board: it should exist either in <chibios>/os/hal/boards/,
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# <keyboard_dir>/boards/, or drivers/boards/
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BOARD ?= GENERIC_STM32_G474XE
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USE_FPU ?= yes
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# UF2 settings
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UF2_FAMILY ?= STM32G4
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endif
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ifneq (,$(filter $(MCU),STM32L433 STM32L443))
|
|
# Cortex version
|
|
MCU = cortex-m4
|
|
|
|
# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
|
|
ARMV = 7
|
|
|
|
## chip/board settings
|
|
# - the next two should match the directories in
|
|
# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
|
|
MCU_FAMILY = STM32
|
|
MCU_SERIES = STM32L4xx
|
|
|
|
# Linker script to use
|
|
# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
|
|
# or <keyboard_dir>/ld/
|
|
MCU_LDSCRIPT ?= STM32L432xC
|
|
|
|
# Startup code to use
|
|
# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
|
|
MCU_STARTUP ?= stm32l4xx
|
|
|
|
# Board: it should exist either in <chibios>/os/hal/boards/,
|
|
# <keyboard_dir>/boards/, or drivers/boards/
|
|
BOARD ?= GENERIC_STM32_L433XC
|
|
|
|
PLATFORM_NAME ?= platform_l432
|
|
|
|
USE_FPU ?= yes
|
|
|
|
# UF2 settings
|
|
UF2_FAMILY ?= STM32L4
|
|
endif
|
|
|
|
ifneq (,$(filter $(MCU),STM32L412 STM32L422))
|
|
# Cortex version
|
|
MCU = cortex-m4
|
|
|
|
# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
|
|
ARMV = 7
|
|
|
|
## chip/board settings
|
|
# - the next two should match the directories in
|
|
# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
|
|
MCU_FAMILY = STM32
|
|
MCU_SERIES = STM32L4xx
|
|
|
|
# Linker script to use
|
|
# - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
|
|
# or <keyboard_dir>/ld/
|
|
MCU_LDSCRIPT ?= STM32L412xB
|
|
|
|
# Startup code to use
|
|
# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
|
|
MCU_STARTUP ?= stm32l4xx
|
|
|
|
# Board: it should exist either in <chibios>/os/hal/boards/,
|
|
# <keyboard_dir>/boards/, or drivers/boards/
|
|
BOARD ?= GENERIC_STM32_L412XB
|
|
|
|
PLATFORM_NAME ?= platform_l432
|
|
|
|
USE_FPU ?= yes
|
|
|
|
# UF2 settings
|
|
UF2_FAMILY ?= STM32L4
|
|
endif
|
|
|
|
ifneq ($(findstring GD32VF103, $(MCU)),)
|
|
# RISC-V
|
|
MCU = risc-v
|
|
|
|
# RISC-V extensions and abi configuration
|
|
MCU_ARCH = rv32imac
|
|
MCU_ABI = ilp32
|
|
MCU_CMODEL = medlow
|
|
|
|
## chip/board settings
|
|
# - the next two should match the directories in
|
|
# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
|
|
MCU_FAMILY = GD32V
|
|
MCU_SERIES = GD32VF103
|
|
|
|
# Linker script to use
|
|
# - it should exist either in <chibios>/os/common/startup/RISCV-ECLIC/compilers/GCC/ld/
|
|
# or <keyboard_dir>/ld/
|
|
MCU_LDSCRIPT ?= GD32VF103xB
|
|
|
|
# Startup code to use
|
|
# - it should exist in <chibios>/os/common/startup/RISCV-ECLIC/compilers/GCC/mk/
|
|
MCU_STARTUP ?= gd32vf103
|
|
|
|
# Board: it should exist either in <chibios>/os/hal/boards/,
|
|
# <keyboard_dir>/boards/, or drivers/boards/
|
|
BOARD ?= SIPEED_LONGAN_NANO
|
|
|
|
USE_FPU ?= no
|
|
endif
|
|
|
|
ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647 at90usb1286 at90usb1287))
|
|
PROTOCOL = LUFA
|
|
|
|
# Processor frequency.
|
|
# This will define a symbol, F_CPU, in all source code files equal to the
|
|
# processor frequency in Hz. You can then use this symbol in your source code to
|
|
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
|
# automatically to create a 32-bit value in your source code.
|
|
#
|
|
# This will be an integer division of F_USB below, as it is sourced by
|
|
# F_USB after it has run through any CPU prescalers. Note that this value
|
|
# does not *change* the processor frequency - it should merely be updated to
|
|
# reflect the processor speed set externally so that the code can use accurate
|
|
# software delays.
|
|
F_CPU ?= 16000000
|
|
|
|
# LUFA specific
|
|
#
|
|
# Target architecture (see library "Board Types" documentation).
|
|
ARCH = AVR8
|
|
|
|
# Input clock frequency.
|
|
# This will define a symbol, F_USB, in all source code files equal to the
|
|
# input clock frequency (before any prescaling is performed) in Hz. This value may
|
|
# differ from F_CPU if prescaling is used on the latter, and is required as the
|
|
# raw input clock is fed directly to the PLL sections of the AVR for high speed
|
|
# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
|
|
# at the end, this will be done automatically to create a 32-bit value in your
|
|
# source code.
|
|
#
|
|
# If no clock division is performed on the input clock inside the AVR (via the
|
|
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
|
|
F_USB ?= $(F_CPU)
|
|
|
|
# Interrupt driven control endpoint task
|
|
ifeq (,$(filter $(NO_INTERRUPT_CONTROL_ENDPOINT),yes))
|
|
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
|
|
endif
|
|
ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2))
|
|
NO_I2C = yes
|
|
endif
|
|
endif
|
|
|
|
ifneq (,$(filter $(MCU),atmega32a))
|
|
# MCU name for avrdude
|
|
AVRDUDE_MCU = m32
|
|
|
|
PROTOCOL = VUSB
|
|
|
|
# Processor frequency.
|
|
# This will define a symbol, F_CPU, in all source code files equal to the
|
|
# processor frequency in Hz. You can then use this symbol in your source code to
|
|
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
|
# automatically to create a 32-bit value in your source code.
|
|
F_CPU ?= 12000000
|
|
endif
|
|
|
|
ifneq (,$(filter $(MCU),atmega328p))
|
|
# MCU name for avrdude
|
|
AVRDUDE_MCU = m328p
|
|
|
|
PROTOCOL = VUSB
|
|
|
|
# Processor frequency.
|
|
# This will define a symbol, F_CPU, in all source code files equal to the
|
|
# processor frequency in Hz. You can then use this symbol in your source code to
|
|
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
|
# automatically to create a 32-bit value in your source code.
|
|
F_CPU ?= 16000000
|
|
endif
|
|
|
|
ifneq (,$(filter $(MCU),atmega328))
|
|
# MCU name for avrdude
|
|
AVRDUDE_MCU = m328
|
|
|
|
PROTOCOL = VUSB
|
|
|
|
# Processor frequency.
|
|
# This will define a symbol, F_CPU, in all source code files equal to the
|
|
# processor frequency in Hz. You can then use this symbol in your source code to
|
|
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
|
# automatically to create a 32-bit value in your source code.
|
|
F_CPU ?= 16000000
|
|
endif
|
|
|
|
ifneq (,$(filter $(MCU),attiny85))
|
|
PROTOCOL = VUSB
|
|
|
|
# Processor frequency.
|
|
# This will define a symbol, F_CPU, in all source code files equal to the
|
|
# processor frequency in Hz. You can then use this symbol in your source code to
|
|
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
|
# automatically to create a 32-bit value in your source code.
|
|
F_CPU ?= 16500000
|
|
endif
|