c7aaee2b2b
START_SEC was changed in e0905e85a7.
Also, update the error message to mention how to format the partition at
the REPL, and make the total message shorter to save a bit of flash.
Signed-off-by: Damien George <damien@micropython.org>
65 lines
1.4 KiB
Python
65 lines
1.4 KiB
Python
import uos
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import network
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from flashbdev import bdev
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def wifi():
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import ubinascii
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ap_if = network.WLAN(network.AP_IF)
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essid = b"MicroPython-%s" % ubinascii.hexlify(ap_if.config("mac")[-3:])
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ap_if.config(essid=essid, authmode=network.AUTH_WPA_WPA2_PSK, password=b"micropythoN")
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def check_bootsec():
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buf = bytearray(bdev.SEC_SIZE)
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bdev.readblocks(0, buf)
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empty = True
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for b in buf:
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if b != 0xFF:
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empty = False
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break
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if empty:
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return True
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fs_corrupted()
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def fs_corrupted():
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import time
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while 1:
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print(
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"""\
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The filesystem starting at sector %d with size %d sectors looks corrupt.
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You may want to make a flash snapshot and try to recover it. Otherwise,
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format it with uos.VfsLfs2.mkfs(bdev), or completely erase the flash and
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reprogram MicroPython.
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"""
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% (bdev.start_sec, bdev.blocks)
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)
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time.sleep(3)
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def setup():
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check_bootsec()
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print("Performing initial setup")
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wifi()
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uos.VfsLfs2.mkfs(bdev)
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vfs = uos.VfsLfs2(bdev)
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uos.mount(vfs, "/")
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with open("boot.py", "w") as f:
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f.write(
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"""\
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# This file is executed on every boot (including wake-boot from deepsleep)
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#import esp
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#esp.osdebug(None)
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import uos, machine
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#uos.dupterm(None, 1) # disable REPL on UART(0)
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import gc
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#import webrepl
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#webrepl.start()
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gc.collect()
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"""
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)
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return vfs
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