diff options
| author | Jacques Comeaux <jacquesrcomeaux@protonmail.com> | 2024-06-29 10:22:54 -0500 |
|---|---|---|
| committer | Jacques Comeaux <jacquesrcomeaux@protonmail.com> | 2024-06-29 10:22:54 -0500 |
| commit | 4e018fc5bdd4ff9ee6065a5167fa291404e20576 (patch) | |
| tree | 60cbff7e80b9f51af8dc16fa04fd32d426611690 /octedit/Makefile | |
| parent | 0d7ab1ec70914e2945d0f2530f0999ecea8828fd (diff) | |
Create UF2 header in Makefile
Diffstat (limited to 'octedit/Makefile')
| -rw-r--r-- | octedit/Makefile | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/octedit/Makefile b/octedit/Makefile index 4603ef4..74ce9d4 100644 --- a/octedit/Makefile +++ b/octedit/Makefile @@ -2,8 +2,21 @@ all: build build: octedit.uf2 -octedit.uf2: octedit.elf - ../elf/elf2uf2 octedit.elf octedit.uf2 +octedit.uf2: octedit.bin + echo -ne "\x55\x46\x32\x0A" > octedit.uf2 # Magic 0 + echo -ne "\x57\x51\x5D\x9E" >> octedit.uf2 # Magic 1 + echo -ne "\x00\x20\x00\x00" >> octedit.uf2 # Flags + echo -ne "\x00\x00\x00\x10" >> octedit.uf2 # Load address + echo -ne "\x00\x01\x00\x00" >> octedit.uf2 # Data size + echo -ne "\x00\x00\x00\x00" >> octedit.uf2 # Block number + echo -ne "\x01\x00\x00\x00" >> octedit.uf2 # Number of blocks + echo -ne "\x56\xFF\x8B\xE4" >> octedit.uf2 # RP2040 family ID + cat octedit.bin >> octedit.uf2 # Data + printf %220s | tr " " "\0" >> octedit.uf2 # 0 padding + echo -ne "\x30\x6F\xB1\x0A" >> octedit.uf2 # Magic end + +octedit.bin: octedit.elf + arm-none-eabi-objcopy -O binary octedit.elf octedit.bin objects = setup.o octedit.o uart.o crc.o @@ -15,7 +28,7 @@ $(objects): %.o: %.s arm-none-eabi-as -o $@ $< clean: - rm octedit.elf octedit.uf2 *.o + rm octedit.elf octedit.bin octedit.uf2 *.o flash: octedit.uf2 [ -h /dev/disk/by-label/RPI-RP2 ] || sleep 3s |