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esp-idf README: add information about missing stack or RAM

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Olivier Goffart 2023-09-19 12:42:24 +02:00 • committed by Olivier Goffart
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12
api/cpp/esp-idf/slint/README.md
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@ -30,7 +30,10 @@ The following steps will guide from the a bare-bones esp-idf "hello_world" to a
idf.py create-project slint-hello-world
cd slint-hello-world
```
2. Select your chipset with `idf.py set-target`, for example if you're using an `ESP32S3` chipset, run `idf.py set-target esp32s3`
2. Select your chipset with `idf.py set-target`, for example if you're using an `ESP32S3` chipset, run
```bash
idf.py set-target esp32s3`
```
3. Add a [Board Support Package](https://github.com/espressif/esp-bsp#esp-bsp-espressifs-board-support-packages) that matches your device as a dependency. For example, if you're using an ESP-BOX, run
```bash
idf.py add-dependency esp-box
@ -113,6 +116,8 @@ slint_target_sources(${COMPONENT_LIB} appwindow.slint)
2. You may need additional device-specific settings. For example if your device has external SPI RAM,
you may need to enable that. For details for ESP32-S3 based devices see how to [Configure the PSRAM](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/api-guides/flash_psram_config.html#configure-the-psram).
3. Quit the editor with `Q` and save the configuration.
Alternatively, check in a default sdkconfig tweaked from your board that adds the right amount of ram, flash, and use `CONFIG_MAIN_TASK_STACK_SIZE=8192`
11. Build the project with `idf.py build`.
12. Connect your device, then flash and run it with `idf.py flash monitor`.
13. Observe Slint rendering "Hello World" on the screen 🎉.
@ -156,6 +161,11 @@ Error copying file (if different) from "C:/path/build/./cargo/build/x86_64-pc-wi
Solution: At the moment development development on Windows while targeting ESP-IDF is not supported. We're working on a fix and in the meantime we recommend
using [Windows Subsystem for Linux](https://learn.microsoft.com/en-us/windows/wsl/).
### The device crashes at boot or enter a boot loop
One reason could be that you don't have enough ram for the heap or the stack.
Make sure that the stack is big enough (~8KiB), and that all the RAM was made available for the heap allocator.
## License
You can use Slint under ***any*** of the following licenses, at your choice: