66 lines
1.5 KiB
Python
66 lines
1.5 KiB
Python
import uos
|
|
import network
|
|
from flashbdev import bdev
|
|
|
|
|
|
def wifi():
|
|
import ubinascii
|
|
|
|
ap_if = network.WLAN(network.AP_IF)
|
|
essid = b"MicroPython-%s" % ubinascii.hexlify(ap_if.config("mac")[-3:])
|
|
ap_if.config(essid=essid, authmode=network.AUTH_WPA_WPA2_PSK, password=b"micropythoN")
|
|
|
|
|
|
def check_bootsec():
|
|
buf = bytearray(bdev.SEC_SIZE)
|
|
bdev.readblocks(0, buf)
|
|
empty = True
|
|
for b in buf:
|
|
if b != 0xFF:
|
|
empty = False
|
|
break
|
|
if empty:
|
|
return True
|
|
fs_corrupted()
|
|
|
|
|
|
def fs_corrupted():
|
|
import time
|
|
|
|
while 1:
|
|
print(
|
|
"""\
|
|
The filesystem starting at sector %d with size %d sectors appears to
|
|
be corrupted. If you had important data there, you may want to make a flash
|
|
snapshot to try to recover it. Otherwise, perform factory reprogramming
|
|
of MicroPython firmware (completely erase flash, followed by firmware
|
|
programming).
|
|
"""
|
|
% (bdev.START_SEC, bdev.blocks)
|
|
)
|
|
time.sleep(3)
|
|
|
|
|
|
def setup():
|
|
check_bootsec()
|
|
print("Performing initial setup")
|
|
wifi()
|
|
uos.VfsLfs2.mkfs(bdev)
|
|
vfs = uos.VfsLfs2(bdev)
|
|
uos.mount(vfs, "/")
|
|
with open("boot.py", "w") as f:
|
|
f.write(
|
|
"""\
|
|
# This file is executed on every boot (including wake-boot from deepsleep)
|
|
#import esp
|
|
#esp.osdebug(None)
|
|
import uos, machine
|
|
#uos.dupterm(None, 1) # disable REPL on UART(0)
|
|
import gc
|
|
#import webrepl
|
|
#webrepl.start()
|
|
gc.collect()
|
|
"""
|
|
)
|
|
return vfs
|