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Successful save prints:
>save() =undefined Erasing Flash..... Writing................... ERROR: Too big to save to flash (16984 vs 12284 bytes) Deleting command history and trying again... Erasing Flash..... Writing.............. Compressed 27200 bytes to 11492 Checking... Running onInit()...
Unsuccessful save prints:
>save() =undefined Erasing Flash..... Writing.................... ERROR: Too big to save to flash (18205 vs 12284 bytes) Deleting command history and trying again... Erasing Flash..... Writing............... ERROR: Too Running onInit()...
I came across a few times with the same error: "No code in Flash" when I toggle power of ESP-12. This time root of the problem is the code size. If I remove some part of application code, it loads and executes well, and it starts on power toggle. If I re-add that part of (unimportant) code, my application works OK, but it doesn't start when power is toggled. If
load()function is executed, it prints "No code in Flash":
_____ _ | __|___ ___ ___ _ _|_|___ ___ | __|_ -| . | _| | | | | . | |_____|___| _|_| |___|_|_|_|___| |_| http://espruino.com 1v86.171 Copyright 2016 G.Williams Espruino is Open Source. Our work is supported only by sales of official boards and donations: http://espruino.com/Donate Flash map 4MB:512/512, manuf 0xe0 chip 0x4016 >load() =undefined No code in flash!
Since ESP-12 has 4MB of flash memory, it shouldn't related with memory or application size, right?
require("ESP8266").logDebug(false)solved the issue. Thank you...
Serial2.TXfor a specific purpose and without
RXpin, it satisfies my needs. As of now, I can use
Serial2by sending my data
hello) as normal.
With a fixed interval,
Wifimodule sends some garbage to
Serial2, so what I could capture is as follows:
ernabernabernabernabernabernabernabernaber849614> Wifi event: probe request from station 74:f0:6d:09:91:54, rssi = -58 849644> Wifi event: probe request from station 74:f0:6d:09:91:54, rssi = -61 nabernabernabernaber850186> Wifi event: probe request from station 00:26:ab:e8:43:82, rssi = -61 850188> Wifi event: probe request from station 00:26:ab:e8:43:82, rssi = -62 850256> Wifi event: probe request from station 00:26:ab:e8:43:82, rssi = -62 850298> Wifi event: probe request from station 00:26:ab:e8:43:82, rssi = -62
How can I make these logs stopped?
c:\python27\python ..\esptool.py --port COM15 --baud 230400 write_flash --flash_freq 40m --flash_mode dio --flash_size 32m 0x0000 "boot_v1.5.bin" 0x1000 espruino_esp8266_user1.bin 0x37E000 blank.bin
This options didn't work for me with
espruino_1v86.tve_master_8d2f1b4_esp8266. There is no
boot_v1.5.binfile the build in your link.
As the latest build (1v86.171) uses
boot_v1.4...., the old flashing options work as expected.
Will it survive? :)