rafaelcaricio/lvgl-rs
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Rust bindings API review #51

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rafaelcaricio wants to merge 19 commits from api-review into master
pull from: api-review
merge into: rafaelcaricio:master
Conversation 0 Commits 19 Files changed 18 +16 -9
1 changed files with 16 additions and 9 deletions
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examples/app.rs
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@ -2,8 +2,8 @@ use embedded_graphics::pixelcolor::Rgb565;
use embedded_graphics::prelude::*;
use embedded_graphics_simulator::{OutputSettingsBuilder, SimulatorDisplay, Window};
use lvgl;
use lvgl::display::Display;
use lvgl::widgets::Label;
use lvgl::{Display, DrawBuffer};
use parking_lot::Mutex;
use std::cell::RefCell;
use std::sync::Arc;
@ -12,8 +12,8 @@ type ColorSpace = Rgb565;
fn main() {
let embedded_graphics_display: SimulatorDisplay<ColorSpace> = SimulatorDisplay::new(Size::new(
lvgl_sys::LV_HOR_RES_MAX,
lvgl_sys::LV_VER_RES_MAX,
lvgl::DISP_HOR_RES as u32,
lvgl::DISP_VER_RES as u32,
));
let output_settings = OutputSettingsBuilder::new().scale(2).build();
@ -23,11 +23,18 @@ fn main() {
// LVGL usage
lvgl::init();
let display = Display::register_shared(&shared_native_display).unwrap();
let label = Label::new().unwrap();
{
let mut val = shared_native_display.lock();
val.draw_pixel(Pixel::default()).unwrap();
}
const REFRESH_BUFFER_SIZE: usize = lvgl::DISP_HOR_RES * lvgl::DISP_VER_RES / 10;
static DRAW_BUFFER: DrawBuffer<REFRESH_BUFFER_SIZE> = DrawBuffer::new();
rafaelcaricio commented 2021-06-08 20:53:27 +00:00 (Migrated from github.com)
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Making this statically allocated will avoid dropping this memory address by mistake in an app code.

Making this statically allocated will avoid dropping this memory address by mistake in an app code.
let display = Display::register(&DRAW_BUFFER, {
let shared_display = Arc::clone(&shared_native_display);
move |update| {
let mut embedded_graphics_display = shared_display.lock();
embedded_graphics_display.draw_iter(update.as_pixels());
}
})
.unwrap();
let label: Label = "Nice!".into();
}