micropython/ports/samd/modules/_boot.py

import gc
import uos
import samd

samd.Flash.flash_init()
bdev = samd.Flash()

# Try to mount the filesystem, and format the flash if it doesn't exist.
try:
    vfs = uos.VfsLfs1(bdev)
except:
    uos.VfsLfs1.mkfs(bdev)
    vfs = uos.VfsLfs1(bdev)
uos.mount(vfs, "/")

gc.collect()
del uos, vfs, gc
samd: Integrate latest asf4, add help, more time funcs and uPy features. - Makefile: update to use new ASF4 files, support frozen manifest, and include source files in upcoming commits - boards/manifest.py: add files to freeze - boards/samd51p19a.ld: add linker script for this MCU - help.c: add custom help text - main.c: execute _boot.py, boot.py and main.py on start-up - modules/_boot.py: startup file to freeze - modutime.c: add gmtime, localtime, mktime, time functions - mpconfigport.h: enabled more features for sys and io and modules - mphalport.h: add mp_hal_pin_xxx macros - mphalport.c: add mp_hal_stdio_poll 2021-05-20 08:30:08 +00:00			`import gc`
			`import uos`
			`import samd`

			`samd.Flash.flash_init()`
			`bdev = samd.Flash()`

			`# Try to mount the filesystem, and format the flash if it doesn't exist.`
			`try:`
			`vfs = uos.VfsLfs1(bdev)`
			`except:`
			`uos.VfsLfs1.mkfs(bdev)`
			`vfs = uos.VfsLfs1(bdev)`
			`uos.mount(vfs, "/")`

			`gc.collect()`
			`del uos, vfs, gc`