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Update wiki to include use case for esptool executable

Andre Thomas 2018-12-09 22:24:57 +02:00
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Esptool.md

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How to setup and configure Esptool for Tasmota upload. How to setup and configure Esptool for Tasmota upload.
The information below is for the Python version of esptool - If you want to use the Windows/Linux/OSX(MAC) executable version of esptool (as would be included in Arduino ESP8266 cores) then please go to the [esptool executable (non-python)](https://github.com/arendst/Sonoff-Tasmota/wiki/Esptool/_edit#esptool-executable-windows--linux) section at the bottom.
## Download Esptool ## Download Esptool
If you do not have an installed copy of Python 2.x or 3.x download and install it from https://www.python.org/. If you do not have an installed copy of Python 2.x or 3.x download and install it from https://www.python.org/.
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NOTE2: For a proper device initialization after first firmware upload power down and power up the device. NOTE2: For a proper device initialization after first firmware upload power down and power up the device.
### ESPTOOL Executable (Windows & Linux)
The executable version of esptool is maintained by Ivan Grokhotkov and releases are kept at [https://github.com/igrr/esptool-ck/releases](https://github.com/igrr/esptool-ck/releases)
### Download and Install
For the purpose of simplicity only the Windows version will be explained here, but the command and parameters are the same for Windows, Linux and MAC/OSX.
Download the latest release from [https://github.com/igrr/esptool-ck/releases](https://github.com/igrr/esptool-ck/releases) and extract the compressed file to a known location.
### Download Sonoff-Tasmota
Download the latest Tasmota release firmware file sonoff.bin from [https://github.com/arendst/Sonoff-Tasmota/releases](https://github.com/arendst/Sonoff-Tasmota/releases) to a known folder (The same folder as where you have the esptool executable will work well for this process to be simpler)
If you want features from the current development codebase which has not been included in the last release please download sonoff.bin from [http://thehackbox.org/tasmota/](http://thehackbox.org/tasmota/) to a known folder (The same folder as where you have the esptool executable will work well for this process to be simpler)
The information posted further up in this Wiki for placing the device into bootload / firmware upgrade mode may be followed as this process does not change irrespective whether you use the Python or executable version of esptool.
Once the device is in firmware upload mode the following commands are recommended for completion of the firmware flashing.
Erase the flash completely with the following command (substituting the COM port for the one which was used on your computer)
`esptool -cp COM3 -cb 115200 -ce -v`
Once the erase is complete, reset your device back into programming mode and then upload the firmware using the following command
esptool -cp COM3 -cb 115200 -bm dout -cf sonoff.bin -v