kopia lustrzana https://github.com/micropython/micropython
37 wiersze
815 B
Python
37 wiersze
815 B
Python
# _boot.py
|
|
# Try to mount the filesystem, and format the flash if it doesn't exist.
|
|
# Note: the flash requires the programming size to be aligned to 256 bytes.
|
|
|
|
import os
|
|
import vfs
|
|
import sys
|
|
import mimxrt
|
|
from machine import Pin
|
|
|
|
bdev = mimxrt.Flash()
|
|
try:
|
|
fs = vfs.VfsLfs2(bdev, progsize=256)
|
|
except:
|
|
vfs.VfsLfs2.mkfs(bdev, progsize=256)
|
|
fs = vfs.VfsLfs2(bdev, progsize=256)
|
|
vfs.mount(fs, "/flash")
|
|
os.chdir("/flash")
|
|
sys.path.append("/flash")
|
|
sys.path.append("/flash/lib")
|
|
|
|
# do not mount the SD card if SKIPSD exists.
|
|
try:
|
|
os.stat("SKIPSD")
|
|
except:
|
|
try:
|
|
from machine import SDCard
|
|
|
|
sdcard = SDCard(1)
|
|
|
|
fat = vfs.VfsFat(sdcard)
|
|
vfs.mount(fat, "/sdcard")
|
|
os.chdir("/sdcard")
|
|
sys.path.append("/sdcard")
|
|
except:
|
|
pass # Fail silently
|