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Questions tagged [esptool]

23 questions
6
votes
5 answers

esptool.py not recognized as internal or external command, operable program or batch file

I recently tried to load MicroPython on ESP8266 board, but failed. To do that I had to install esptool. I successfully installed it but when I wanted to use it, it would not work. For instance, esptool.py --help 'not recognized as internal or…
OskarCvj
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4
votes
8 answers

A fatal esptool.py error occurred: Cannot configure port. PermissionError(13, 'A device attached to the system is not functioning.', None, 31)

I am using a windows OS and I tried running a .ino code in arduino IDE for ESP8266 and came across the following error while trying to upload the code to ESP8266. A fatal esptool.py error occurred: Cannot configure port, something went wrong.…
Krshnapriy
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2
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1 answer

What does "stub" mean in the context of ESP32 and esptool option --no-stub?

I want to program a board with an esp32 on it using esp-prog and esptool. When I do that I get the following error: ... Crystal is 40MHz MAC: c8:2b:96:b8:e7:e0 Uploading stub... Running stub... Traceback (most recent call last): File…
Martin Günther
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2
votes
0 answers

esptool.FatalError: Timed out waiting for packet header Arduino

I have a ESP8266. The last working state was loading just fine and wasn't getting any errors on esptool. However, after coming back to the code and running the Arduino. To give some background, I am creating a nixie clock with…
Acire
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1
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0 answers

Bootloop Problem of My Own Brand New Board w/ ESP32-S3 Chip

We made our own board with ESP32-S3 (FN8 Model with 8 MB Flash internal). We see bootloop when we first turn it on. After looading bootloader.bin (and many different *.bin files) we still see bootloop problem and we get the following messages from…
Canik01
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1
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0 answers

Is it possible to use a Memory Mapped File (C#) instead of a file in command Write_Flash of esptool.py?

I have encrypted files which are later decrypted and written to Memory Mapped Files. I want to write to ESP32's flash a binary file that is decoded into Memory Mapped File. I saw this command in the documentation: esptool --port /dev/ttyUSB0…
slpncrg
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1
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0 answers

SerialTimeoutException while flashing firmware to a esp8266 nodeMCU board using esptool

I have been working on a project that involves controlling a 4 channel relay using micropython on a esp8266 nodeMCU board. I have been using esptool to flash the latest micropython firmware bin file to the board. Everything went well at first, and I…
Willyd
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1
vote
1 answer

ampy no longer connecting

I had ampy working for a while. It was intermittent after that, and now it doesn't work most of the time. I'm able to run esptool.py --port COM3 flash_id and esptool.py --port COM3 chip_id, but when I try to run ampy --port COM3 ls or ampy --port…
tazboy
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1
vote
0 answers

Having trouble with programming ESP8266-01 chips. Connection Issue?

I'm trying to program these ESP chips but in order to upload to them, I need something called 'esptool.py' and flash the firmware on each chip in order to do so. I have got to a point where I have the chip connected and I am giving the prompt this…
Joseph Higgins
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1
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0 answers

How to properly download SPIFFS bin by using mkspiffs and esptool

I am working on an application generator tool for esp8266 devices and cannot use properly the mkspiffs and esptool tools. I have read the available documentation for mkspiffs and esptool, also enabled the verbose output in the Arduino IDE to see how…
litechniks
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0
votes
0 answers

ESP32-S2 serial port

I have Adafriut ESP32-S2 FeatherS2 Development Board. By default it is configured for circuitPython (UF2 bootloader mode). To program it with arduino/espidf I followed the manufacturer instructions and pressed BOOT button on the board, then clicked…
Arek
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0
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1 answer

Upload data folder file to spiff of esp8266

I'm trying to upload an Arduino file and its associated data folder to an esp8266 using Arduino-cli, but I'm having trouble uploading the contents of the data folder to the esp8266   SPIFF memory. I am not able to find a way to solve this…
user19930844
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0
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0 answers

Way to upload files to ESP32's spiffs file system using Python

I'm working on a self-project that I need to upload some values to esp32 from Python program. I want to upload those values esp32 in .txt format and read those with SPIFFS library. I know a way to upload files to esp32 and esp8266 with Arduino ide…
SMD_Human
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0
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1 answer

Re-flash en encrypted ESP32

I have configure my esp32 s3 project by using "idf.py menuconfig" and I have set they parameters as below : Security features -> Enable flash encryption on boot -> ``` …
Stimm4
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0
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0 answers

Why do I keep receiving a syntax error when trying to run pip install esptool onto my ESP8266?

I am trying to code my Feather Huzzah ESP8266 with Python. I have followed multiple different tutorials but have ran into the same error each time while trying to flash the device using esptool. The error I get I am pasting below. I have made sure…
jsimmons
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