recover bricked ESP
Posted: Thu Jul 25, 2019 4:02 pmI flashed a smartplug (gosund sp1) with presumably an esp8685.
The first time connecting IO 0 and GND and then plugging the ch340 converter in USB,
put the esp in flashmode and i could flash an image. but something went wrong.
Maybe because i flashed not in DOUT but in QIO, i dont know.
since then the esp is stuck in "bootmode".
the esp is alway offering a port even when i not short io2 and gnd while pluggin in.
this it what the terminal says in 74880 baud when i short GND and rst.
this is when i try to use espflasher:
and this when i try to enter flash mode
i think boot mode:(3,6) is wrong it should be 1,7 to flash, but how do get it in flashmode again?
The first time connecting IO 0 and GND and then plugging the ch340 converter in USB,
put the esp in flashmode and i could flash an image. but something went wrong.
Maybe because i flashed not in DOUT but in QIO, i dont know.
since then the esp is stuck in "bootmode".
the esp is alway offering a port even when i not short io2 and gnd while pluggin in.
this it what the terminal says in 74880 baud when i short GND and rst.
Code: Select all
ets Jan 8 2013,rst cause:2, boot mode:(3,6)
load 0x4010f000, len 1384, room 16
tail 8
chksum 0xef
csum 0xef
csum err
ets_main.cthis is when i try to use espflasher:
Code: Select all
[24.07.2019 20:04:14] warning: espcomm_sync failed
[24.07.2019 20:04:14] error: espcomm_open failed
[24.07.2019 20:04:14] error: espcomm_upload_mem failedand this when i try to enter flash mode
Code: Select all
epc1=0x40100005, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):i think boot mode:(3,6) is wrong it should be 1,7 to flash, but how do get it in flashmode again?