====== Lilygo ======

On va commencer à jouer avec les petites boards Lilygo.\\
Ne connaissant rien, je met tout en vrac ici.

Ca semble être cette petite board : 

Ca ressemble à ça, et quand je la branche, je vois ça qui apparait :
{{:hamradio:img_20241018_161028_700.jpg?400|}}{{:hamradio:img_20241018_161036_786.jpg?400|}}

===== Programme esptool sous Linux =====

Ca marche en Python3, c'est pratique, et on va faire un venv pour pas péter notre Os.

==== Installer ESPTool ====

<code>
mkdir esptool
cd esptool
python3 -m venv
source bin/activate
pip install esptool
</code>

Et Zou !

<code bash>
$ esptool.py chip_id
</code>
<code>
esptool.py v4.8.1
Found 2 serial ports
Serial port /dev/ttyACM1
Connecting....
Detecting chip type... ESP32
Chip is ESP32-PICO-D4 (revision v1.0)
Features: WiFi, BT, Dual Core, 240MHz, Embedded Flash, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 98:cd:ac:xx:ha:ha
Uploading stub...
Running stub...
Stub running...
Warning: ESP32 has no Chip ID. Reading MAC instead.
MAC: 98:cd:ac:f3:d1:e0
Hard resetting via RTS pin...
(esptool) 
</code>

==== Dump du firmware ====

<code bash>
$ esptool.py flash_id
</code>
<code>
esptool.py v4.8.1
Found 2 serial ports
Serial port /dev/ttyACM1
Connecting....
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting.........
Detecting chip type... ESP32
Chip is ESP32-PICO-D4 (revision v1.0)
Features: WiFi, BT, Dual Core, 240MHz, Embedded Flash, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 98:cd:ac:f3:d1:e0
Uploading stub...
Running stub...
Stub running...
Manufacturer: c8
Device: 4016
Detected flash size: 4MB
Flash voltage set by a strapping pin to 3.3V
Hard resetting via RTS pin...
</code>

<code>

</code>


<code>

</code>



====== Liens utiles ======

[[https://meshtastic.org/docs/getting-started/flashing-firmware/esp32/cli-script/]]\\
[[https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/tree/master]] \\
[[https://github.com/richonguzman]]