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The Adafruit Clue and Itsybitsy nRF52 also use the Adafruit nRF52 Bootloader which has a common module that can be used. Especially the Itsybitsy nRF52 (mis)uses the nrfutil programmer target and has a lot of redundant code. Furthermore, the Double Tap Magic Value used by both boards is incorrect for using the USB Bootloader.
79 lines
2.4 KiB
Makefile
79 lines
2.4 KiB
Makefile
PROGRAMMER ?= uf2conv
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ifneq (,$(filter uf2conv adafruit-nrfutil,$(PROGRAMMER)))
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# The Adafruit nRF52 Bootloader currently only really supports
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# two MCUs. Set the according Family Flag and SoftDevice version if
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# not set already.
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ifneq (,$(filter nrf52833xxaa,$(CPU_MODEL)))
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UF2CONV_FLAGS = -f 0x621E937A
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ADANRFUTIL_FLAGS = --dev-type 0x0052
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# The Adafruit nRF52 Bootloader has a static MBR at the first 4k
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# and a 38k UF2 Bootloader at the end, leaving 972k (nRF52840) or 460k
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# (nRF52833) for the application when not using the SoftDevice.
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# SoftDevice v6 uses an additional 114k and SoftDevice v7 uses 118k.
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# The option "DROP" overrides any SoftDevice, making a reflash of the
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# bootloader necessary if i.a. Arduino or CircuitPython
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# are to be used again.
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ifneq (,$(filter DROP,$(UF2_SOFTDEV)))
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ROM_OFFSET = 0x1000
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ROM_LEN = 0x7f000
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else ifneq (,$(filter SD611,$(UF2_SOFTDEV)))
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ROM_OFFSET = 0x26000
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ROM_LEN = 0x5a000
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ADANRFUTIL_FLAGS += --sd-req 0x00B6
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else ifneq (,$(filter SD730,$(UF2_SOFTDEV)))
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ROM_OFFSET = 0x27000
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ROM_LEN = 0x59000
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ADANRFUTIL_FLAGS += --sd-req 0x0123
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else
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$(error Unsupported SoftDevice Version $(UF2_SOFTDEV).)
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endif
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else ifneq (,$(filter nrf52840xxaa,$(CPU_MODEL)))
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UF2CONV_FLAGS = -f 0xADA52840
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ADANRFUTIL_FLAGS = --dev-type 0x0052
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ifneq (,$(filter DROP,$(UF2_SOFTDEV)))
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ROM_OFFSET = 0x1000
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ROM_LEN = 0xf3000
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else ifneq (,$(filter SD611,$(UF2_SOFTDEV)))
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ROM_OFFSET = 0x26000
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ROM_LEN = 0xda000
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ADANRFUTIL_FLAGS += --sd-req 0x00B6
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else ifneq (,$(filter SD730,$(UF2_SOFTDEV)))
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ROM_OFFSET = 0x27000
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ROM_LEN = 0xd9000
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ADANRFUTIL_FLAGS += --sd-req 0x0123
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else
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$(error Unsupported SoftDevice Version $(UF2_SOFTDEV).)
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endif
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else
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$(error Unsupported CPU $(CPU_MODEL) for Adafruit nRF52 Bootloader.)
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endif
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# Driver can take some time to get mounted
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PREFLASH_DELAY ?= 3
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include $(RIOTMAKE)/tools/usb_board_reset.mk
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endif
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PROGRAMMERS_SUPPORTED += uf2conv
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PROGRAMMERS_SUPPORTED += adafruit-nrfutil
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# HACK: replicate dependency resolution in Makefile.dep, only works
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# if `USEMODULE` or `DEFAULT_MODULE` is set by the command line or in the
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# application Makefile.
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ifeq (,$(filter stdio_%,$(DISABLE_MODULE) $(USEMODULE)))
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RIOT_TERMINAL ?= jlink
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endif
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include $(RIOTBOARD)/common/nrf52/Makefile.include
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