========================================
  NAVOD - nahrani firmware na ESP32-S3
  slozka: D:\copy-esp
========================================

DESKA
-----
- ESP32-S3
- Flash: 16 MB
- Mode: DIO 80 MHz
- Upload: 921600

SOUBORY VE SLOZCE
-----------------
  esptool.exe           ... nastroj na flash
  easun.bin             ... firmware
  copy-erase.bat        ... smaze flash a nahraje easun.bin
  erase.bat             ... jen smaze flash
  navod.txt             ... tento navod


POSTUP
------
1) Pripoj ESP32-S3 USB kabelem.

2) Spust copy-erase.bat
   - smaze flash a nahraje easun.bin
   - po uspechu se deska restartuje

3) Hotovo.


JEN SMAZAT FLASH
----------------
Spust erase.bat


KDYZ NAHRANI SELZE
------------------
1) Zkontroluj COM port ve Spravci zarizeni (Ports / USB Serial).
2) Spust rucne (uprav COMx):

   esptool.exe --chip esp32s3 --port COMx --baud 460800 --before usb_reset --after hard_reset write_flash -e -z --flash_mode dio --flash_freq 80m --flash_size 16MB 0x0 easun.bin

3) Zkus:
   - jiny USB kabel / port
   - drzet BOOT pri startu flash
   - nizsi baud (460800 nebo 115200)
   - --before usb_reset


PRIKAZ UVNITR copy-erase.bat
----------------------------
esptool.exe --chip esp32s3 --baud 921600 --before default_reset --after hard_reset write_flash -e -z --flash_mode dio --flash_freq 80m --flash_size 16MB 0x0 easun.bin
