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esp32-core/README: Use the default partition table offset

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And mention the relevant ESP-IDF config.
This commit is contained in:
YAMAMOTO Takashi
2020-03-18 15:50:24 +09:00
committed by Abdelatif Guettouche
parent a3ac217e56
commit c683bce4cd
1 changed files with 4 additions and 1 deletions
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boards/xtensa/esp32/esp32-core/README.txt
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@@ -470,11 +470,14 @@ OpenOCD for the ESP32
this:
esptool.py --chip esp32 elf2image --flash_mode dio --flash_size 4MB -o nuttx.bin nuttx
esptool.py --chip esp32 --port COMx write_flash 0x1000 bootloader.bin 0x4000 partition_table.bin 0x10000 nuttx.bin
esptool.py --chip esp32 --port COMx write_flash 0x1000 bootloader.bin 0x8000 partition_table.bin 0x10000 nuttx.bin
The first step converts an ELF image into an ESP32-compatible binary
image format, and the second step flashes it (along with bootloader image and
partition table binary.)
The offset for the partition table may vary, depending on ESP-IDF
configuration, CONFIG_PARTITION_TABLE_OFFSET, which is by default 0x8000
as of writing this.
To put the ESP32 into serial flashing mode, it needs to be reset with IO0 held
low. On the Core boards this can be accomplished by holding the button marked