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chore(docs): update faq

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Gabor Kiss-Vamosi
2022-01-28 15:27:16 +01:00
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docs/intro/index.md
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@@ -148,11 +148,12 @@ Some examples of the supported display types:
See the [Porting](/porting/display) section to learn more. See the [Porting](/porting/display) section to learn more.
### LVGL doesn't start, nothing is drawn on the display. What can be the problem? ### LVGL doesn't start, randomly crashes or nothing is drawn on the display. What can be the problem?
- Try increasing `LV_MEM_SIZE`. - Try increasing `LV_MEM_SIZE`.
- Be sure `lv_disp_drv_t`, `lv_indev_drv_t` and `lv_fs_drv_t` are global or `static`. - Be sure `lv_disp_drv_t`, `lv_indev_drv_t` and `lv_fs_drv_t` are global or `static`.
- Be sure your display works without LVGL. E.g. paint it to red on start up. - Be sure your display works without LVGL. E.g. paint it to red on start up.
- Enable [logging](porting/log) - Enable [Logging](porting/log)
- Enable asserts in `lv_conf.h` (`LV_USE_ASSERT_...`)
- If you use an RTOS - If you use an RTOS
- increase the stack size of the task which calls `lv_timer_handler()` - increase the stack size of the task which calls `lv_timer_handler()`
- Be sure you used a mutex as [described here](/porting/os) - Be sure you used a mutex as [described here](/porting/os)