I am using system_upgrade_start() functions for FOTA (Firmware upgrade over-the-air) using the binary files on my own OTA server.
Initially the upgrade process was successful, but it began to fail (reset occurred) to have repeated several times.
Code: Select all
ets Jan 8 2013,rst cause:4, boot mode:(3,0)
wdt reset
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
SPI Speed : 26.7MHz
SPI Mode : QIO
SPI Flash Size & Map: 16Mbit(512KB+512KB)
jump to run user2 @ 81000
I use SDK 1.2.0.
The size of the binary file for upgrade is 306272 Bytes.
Please confirm it.