7 Commits

Author SHA1 Message Date
513042b561 works 2025-11-04 16:50:57 -07:00
375b5d1d47 init 2025-11-04 13:43:48 -07:00
dd26e3528b gif responsive 2025-11-03 16:07:14 -07:00
74ec86da8f fix lock 2025-11-03 15:26:22 -07:00
cc463a34be fix alloc panics 2025-11-03 14:09:53 -07:00
355be5cde3 do batching tiles again in fb 2025-11-03 13:45:03 -07:00
1bbb892fcc remove unsafe fb 2025-11-03 10:56:29 -07:00
25 changed files with 443 additions and 832 deletions

3
.gitmodules vendored
View File

@@ -1,3 +0,0 @@
[submodule "user-apps/doom/doomgeneric"]
path = user-apps/doom/doomgeneric
url = https://github.com/ozkl/doomgeneric

139
Cargo.lock generated
View File

@@ -18,7 +18,6 @@ version = "0.1.0"
dependencies = [
"abi_sys",
"embedded-graphics",
"embedded-sdmmc",
"once_cell",
"rand_core 0.9.3",
]
@@ -31,7 +30,6 @@ dependencies = [
"cbindgen",
"defmt 0.3.100",
"embedded-graphics",
"embedded-sdmmc",
"strum",
]
@@ -133,26 +131,6 @@ version = "0.13.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
[[package]]
name = "bindgen"
version = "0.71.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f58bf3d7db68cfbac37cfc485a8d711e87e064c3d0fe0435b92f7a407f9d6b3"
dependencies = [
"bitflags 2.9.4",
"cexpr",
"clang-sys",
"itertools 0.10.5",
"log",
"prettyplease",
"proc-macro2",
"quote",
"regex",
"rustc-hash",
"shlex",
"syn 2.0.104",
]
[[package]]
name = "bit-set"
version = "0.5.3"
@@ -295,42 +273,12 @@ dependencies = [
"toml",
]
[[package]]
name = "cc"
version = "1.2.43"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "739eb0f94557554b3ca9a86d2d37bebd49c5e6d0c1d2bda35ba5bdac830befc2"
dependencies = [
"find-msvc-tools",
"shlex",
]
[[package]]
name = "cexpr"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
dependencies = [
"nom",
]
[[package]]
name = "cfg-if"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
[[package]]
name = "clang-sys"
version = "1.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
dependencies = [
"glob",
"libc",
"libloading",
]
[[package]]
name = "clap"
version = "3.2.25"
@@ -614,16 +562,6 @@ dependencies = [
"litrs",
]
[[package]]
name = "doom"
version = "0.1.0"
dependencies = [
"abi",
"bindgen",
"cc",
"embedded-graphics",
]
[[package]]
name = "either"
version = "1.15.0"
@@ -1167,12 +1105,6 @@ version = "2.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
[[package]]
name = "find-msvc-tools"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "52051878f80a721bb68ebfbc930e07b65ba72f2da88968ea5c06fd6ca3d3a127"
[[package]]
name = "fixed"
version = "1.29.0"
@@ -1355,15 +1287,10 @@ version = "0.1.0"
dependencies = [
"abi",
"embedded-graphics",
"selection_ui",
"tinygif",
]
[[package]]
name = "glob"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0cc23270f6e1808e30a928bdc84dea0b9b4136a8bc82338574f23baf47bbd280"
[[package]]
name = "goblin"
version = "0.10.2"
@@ -1676,16 +1603,6 @@ version = "0.2.174"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
[[package]]
name = "libloading"
version = "0.8.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7c4b02199fee7c5d21a5ae7d8cfa79a6ef5bb2fc834d6e9058e89c825efdc55"
dependencies = [
"cfg-if",
"windows-link",
]
[[package]]
name = "libredox"
version = "0.1.4"
@@ -1742,12 +1659,6 @@ version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c3c8dda44ff03a2f238717214da50f65d5a53b45cd213a7370424ffdb6fae815"
[[package]]
name = "minimal-lexical"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
[[package]]
name = "nb"
version = "0.1.3"
@@ -1769,16 +1680,6 @@ version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "650eef8c711430f1a879fdd01d4745a7deea475becfb90269c06775983bbf086"
[[package]]
name = "nom"
version = "7.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
dependencies = [
"memchr",
"minimal-lexical",
]
[[package]]
name = "num-traits"
version = "0.2.19"
@@ -2042,16 +1943,6 @@ version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
[[package]]
name = "prettyplease"
version = "0.2.36"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ff24dfcda44452b9816fff4cd4227e1bb73ff5a2f1bc1105aa92fb8565ce44d2"
dependencies = [
"proc-macro2",
"syn 2.0.104",
]
[[package]]
name = "proc-macro-error"
version = "1.0.4"
@@ -2244,12 +2135,6 @@ dependencies = [
"crc-any",
]
[[package]]
name = "rustc-hash"
version = "2.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
[[package]]
name = "rustc_version"
version = "0.2.3"
@@ -2305,6 +2190,16 @@ version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c1257cd4248b4132760d6524d6dda4e053bc648c9070b960929bf50cfb1e7add"
[[package]]
name = "selection_ui"
version = "0.1.0"
dependencies = [
"abi",
"embedded-graphics",
"embedded-layout",
"embedded-text",
]
[[package]]
name = "semver"
version = "0.9.0"
@@ -2379,12 +2274,6 @@ dependencies = [
"keccak",
]
[[package]]
name = "shlex"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "siphasher"
version = "1.0.1"
@@ -2953,12 +2842,6 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-link"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
[[package]]
name = "windows-sys"
version = "0.59.0"

View File

@@ -4,11 +4,11 @@ members = [
"kernel",
"abi_sys",
"abi",
"selection_ui",
"user-apps/calculator",
"user-apps/snake",
"user-apps/gallery",
"user-apps/gif",
"user-apps/doom",
]
[profile.release]
@@ -27,4 +27,4 @@ panic = "abort"
[profile.dev]
lto = true
opt-level = "z"
opt-level = "s"

View File

@@ -4,8 +4,7 @@ version = "0.1.0"
edition = "2024"
[dependencies]
embedded-sdmmc = { version = "0.9.0", default-features = false }
embedded-graphics = "0.8.1"
abi_sys = { path = "../abi_sys" }
embedded-graphics = "0.8.1"
once_cell = { version = "1", default-features = false }
rand_core = "0.9.3"

View File

@@ -140,7 +140,9 @@ impl RngCore for Rng {
}
pub mod fs {
use embedded_sdmmc::DirEntry;
use core::fmt::Display;
use alloc::{format, vec::Vec};
pub fn read_file(file: &str, read_from: usize, buf: &mut [u8]) -> usize {
abi_sys::read_file(
@@ -152,8 +154,85 @@ pub mod fs {
)
}
pub fn list_dir(path: &str, files: &mut [Option<DirEntry>]) -> usize {
abi_sys::list_dir(path.as_ptr(), path.len(), files.as_mut_ptr(), files.len())
pub struct FileName<'a> {
full: &'a str,
base: &'a str,
ext: Option<&'a str>,
}
impl<'a> FileName<'a> {
pub fn full_name(&self) -> &str {
self.full
}
pub fn base(&self) -> &str {
self.base
}
pub fn extension(&self) -> Option<&str> {
self.ext
}
}
impl<'a> Display for FileName<'a> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "{}", self.full_name())
}
}
impl<'a> From<&'a str> for FileName<'a> {
fn from(s: &'a str) -> FileName<'a> {
let full = s;
// Split on last dot for extension
let (base, ext) = match s.rfind('.') {
Some(idx) => (&s[..idx], Some(&s[idx + 1..])),
None => (s, None),
};
FileName { full, base, ext }
}
}
const MAX_ENTRY_NAME_LEN: usize = 25;
const MAX_ENTRIES: usize = 25;
#[derive(Clone, Copy)]
pub struct Entries([[u8; MAX_ENTRY_NAME_LEN]; MAX_ENTRIES]);
impl Entries {
pub fn new() -> Self {
Self([[0; MAX_ENTRY_NAME_LEN]; MAX_ENTRIES])
}
/// Get list of file names after listing
pub fn entries<'a>(&'a self) -> Vec<FileName<'a>> {
self.0
.iter()
.filter_map(|buf| {
let nul_pos = buf.iter().position(|&b| b == 0).unwrap_or(buf.len());
Some(core::str::from_utf8(&buf[..nul_pos]).ok()?.into())
})
.collect()
}
fn as_ptrs(&mut self) -> [*mut u8; MAX_ENTRIES] {
let mut ptrs: [*mut u8; MAX_ENTRIES] = [core::ptr::null_mut(); MAX_ENTRIES];
for (i, buf) in self.0.iter_mut().enumerate() {
ptrs[i] = buf.as_mut_ptr();
}
ptrs
}
}
pub fn list_dir(path: &str, entries: &mut Entries) -> usize {
abi_sys::list_dir(
path.as_ptr(),
path.len(),
entries.as_ptrs().as_mut_ptr(),
MAX_ENTRIES,
MAX_ENTRY_NAME_LEN,
)
}
pub fn file_len(str: &str) -> usize {

View File

@@ -12,7 +12,6 @@ defmt = ["dep:defmt"]
strum = { version = "0.27.2", default-features = false, features = ["derive"] }
bitflags = "2.9.4"
embedded-graphics = "0.8.1"
embedded-sdmmc = { version = "0.9.0", default-features = false }
defmt = { version = "0.3", optional = true }
[build-dependencies]

View File

@@ -1,14 +1,13 @@
#![no_std]
#[cfg(feature = "alloc")]
use core::alloc::Layout;
use core::ffi::c_char;
use embedded_graphics::{
Pixel,
pixelcolor::{Rgb565, raw::RawU16},
prelude::{IntoStorage, Point},
};
use embedded_sdmmc::DirEntry;
use strum::{EnumCount, EnumIter};
pub type EntryFn = fn();
@@ -396,21 +395,23 @@ pub extern "C" fn gen_rand(req: &mut RngRequest) {
pub type ListDir = extern "C" fn(
str: *const u8,
len: usize,
files: *mut Option<DirEntry>,
entries: *mut *mut c_char,
file_len: usize,
max_entry_str_len: usize,
) -> usize;
#[unsafe(no_mangle)]
pub extern "C" fn list_dir(
str: *const u8,
len: usize,
files: *mut Option<DirEntry>,
file_len: usize,
entries: *mut *mut c_char,
entry_count: usize,
max_entry_str_len: usize,
) -> usize {
unsafe {
let ptr = CALL_ABI_TABLE[CallTable::ListDir as usize];
let f: ListDir = core::mem::transmute(ptr);
f(str, len, files, file_len)
f(str, len, entries, entry_count, max_entry_str_len)
}
}

View File

@@ -17,4 +17,3 @@ userapps: cbindgen
just userapp snake
just userapp gallery
just userapp gif
just userapp doom

View File

@@ -3,11 +3,11 @@ use abi_sys::{
PrintAbi, ReadFile, RngRequest, SleepMsAbi, keyboard::*,
};
use alloc::{string::ToString, vec::Vec};
use core::{alloc::GlobalAlloc, sync::atomic::Ordering};
use core::{alloc::GlobalAlloc, ffi::c_char, ptr, sync::atomic::Ordering};
use embassy_rp::clocks::{RoscRng, clk_sys_freq};
use embassy_time::Instant;
use embedded_graphics::draw_target::DrawTarget;
use embedded_sdmmc::{DirEntry, LfnBuffer};
use embedded_sdmmc::LfnBuffer;
use heapless::spsc::Queue;
use crate::{
@@ -116,11 +116,27 @@ pub extern "C" fn gen_rand(req: &mut RngRequest) {
}
}
fn get_dir_entries(dir: &Dir, files: &mut [Option<DirEntry>]) -> usize {
unsafe fn copy_entry_to_user_buf(name: &[u8], dest: *mut c_char, max_str_len: usize) {
if !dest.is_null() {
let len = name.len().min(max_str_len - 1);
unsafe {
ptr::copy_nonoverlapping(name.as_ptr(), dest as *mut u8, len);
*dest.add(len) = 0; // nul terminator
}
}
}
unsafe fn get_dir_entries(dir: &Dir, entries: &mut [*mut c_char], max_str_len: usize) -> usize {
let mut b = [0; 25];
let mut buf = LfnBuffer::new(&mut b);
let mut i = 0;
dir.iterate_dir(|entry| {
if i < files.len() {
files[i] = Some(entry.clone());
dir.iterate_dir_lfn(&mut buf, |entry, lfn_name| {
if i < entries.len() {
if let Some(name) = lfn_name {
unsafe { copy_entry_to_user_buf(name.as_bytes(), entries[i], max_str_len) };
} else {
unsafe { copy_entry_to_user_buf(entry.name.base_name(), entries[i], max_str_len) };
}
i += 1;
}
})
@@ -128,24 +144,30 @@ fn get_dir_entries(dir: &Dir, files: &mut [Option<DirEntry>]) -> usize {
i
}
fn recurse_dir(dir: &Dir, dirs: &[&str], files: &mut [Option<DirEntry>]) -> usize {
unsafe fn recurse_dir(
dir: &Dir,
dirs: &[&str],
entries: &mut [*mut c_char],
max_str_len: usize,
) -> usize {
if dirs.is_empty() {
return get_dir_entries(dir, files);
return unsafe { get_dir_entries(dir, entries, max_str_len) };
}
let dir = dir.open_dir(dirs[0]).unwrap();
recurse_dir(&dir, &dirs[1..], files)
unsafe { recurse_dir(&dir, &dirs[1..], entries, max_str_len) }
}
const _: ListDir = list_dir;
pub extern "C" fn list_dir(
dir: *const u8,
len: usize,
files: *mut Option<DirEntry>,
entries: *mut *mut c_char,
files_len: usize,
max_entry_str_len: usize,
) -> usize {
// SAFETY: caller guarantees `ptr` is valid for `len` bytes
let files = unsafe { core::slice::from_raw_parts_mut(files, files_len) };
let files = unsafe { core::slice::from_raw_parts_mut(entries, files_len) };
// SAFETY: caller guarantees `ptr` is valid for `len` bytes
let dir = unsafe { core::str::from_raw_parts(dir, len) };
let dirs: Vec<&str> = dir.split('/').collect();
@@ -156,10 +178,12 @@ pub extern "C" fn list_dir(
let mut wrote = 0;
sd.access_root_dir(|root| {
if dirs[0] == "" && dirs.len() >= 2 {
if dir == "/" {
wrote = get_dir_entries(&root, files);
} else {
wrote = recurse_dir(&root, &dirs[1..], files);
unsafe {
if dir == "/" {
wrote = get_dir_entries(&root, files, max_entry_str_len);
} else {
wrote = recurse_dir(&root, &dirs[1..], files, max_entry_str_len);
}
}
}
});

View File

@@ -84,7 +84,7 @@ pub async fn display_handler(mut display: DISPLAY) {
FRAMEBUFFER
.as_mut()
.unwrap()
.safe_draw(&mut display)
.partial_draw(&mut display)
.await
.unwrap()
};

View File

@@ -1,6 +1,5 @@
use crate::display::{SCREEN_HEIGHT, SCREEN_WIDTH};
use core::sync::atomic::{AtomicBool, Ordering};
use embassy_sync::lazy_lock::LazyLock;
use embedded_graphics::{
draw_target::DrawTarget,
pixelcolor::{
@@ -14,32 +13,33 @@ use embedded_hal_2::digital::OutputPin;
use embedded_hal_async::{delay::DelayNs, spi::SpiDevice};
use st7365p_lcd::ST7365P;
pub const TILE_SIZE: usize = 16; // 16x16 tile
pub const TILE_COUNT: usize = (SCREEN_WIDTH / TILE_SIZE) * (SCREEN_HEIGHT / TILE_SIZE); // 400 tiles
const TILE_SIZE: usize = 16; // 16x16 tile
const TILE_COUNT: usize = (SCREEN_WIDTH / TILE_SIZE) * (SCREEN_HEIGHT / TILE_SIZE); // 400 tiles
const NUM_TILE_ROWS: usize = SCREEN_WIDTH / TILE_SIZE;
const NUM_TILE_COLS: usize = SCREEN_WIDTH / TILE_SIZE;
// Group of tiles for batching
pub const MAX_META_TILES: usize = (SCREEN_WIDTH / TILE_SIZE) * 2; // max number of meta tiles in buffer
type MetaTileVec = heapless::Vec<Rectangle, { TILE_COUNT / MAX_META_TILES }>;
const MAX_BATCH_TILES: usize = (SCREEN_WIDTH / TILE_SIZE) * 2;
type BatchTileBuf = [u16; MAX_BATCH_TILES * TILE_SIZE * TILE_SIZE];
pub const SIZE: usize = SCREEN_HEIGHT * SCREEN_WIDTH;
pub static FB_PAUSED: AtomicBool = AtomicBool::new(false);
static mut DIRTY_TILES: LazyLock<heapless::Vec<AtomicBool, TILE_COUNT>> = LazyLock::new(|| {
let mut tiles = heapless::Vec::new();
for _ in 0..TILE_COUNT {
tiles.push(AtomicBool::new(true)).unwrap();
}
tiles
});
#[allow(dead_code)]
pub struct AtomicFrameBuffer<'a>(&'a mut [u16]);
pub struct AtomicFrameBuffer<'a> {
fb: &'a mut [u16],
dirty_tiles: [AtomicBool; TILE_COUNT],
batch_tile_buf: BatchTileBuf,
}
impl<'a> AtomicFrameBuffer<'a> {
pub fn new(buffer: &'a mut [u16]) -> Self {
assert!(buffer.len() == SIZE);
Self(buffer)
Self {
fb: buffer,
dirty_tiles: core::array::from_fn(|_| AtomicBool::new(true)),
batch_tile_buf: [0; MAX_BATCH_TILES * TILE_SIZE * TILE_SIZE],
}
}
fn mark_tiles_dirty(&mut self, rect: Rectangle) {
@@ -52,7 +52,7 @@ impl<'a> AtomicFrameBuffer<'a> {
for ty in start_ty..=end_ty {
for tx in start_tx..=end_tx {
let tile_idx = ty * tiles_x + tx;
unsafe { DIRTY_TILES.get_mut()[tile_idx].store(true, Ordering::Release) };
self.dirty_tiles[tile_idx].store(true, Ordering::Release);
}
}
}
@@ -78,7 +78,7 @@ impl<'a> AtomicFrameBuffer<'a> {
for y in sy..=ey {
for x in sx..=ex {
if let Some(color) = color_iter.next() {
self.0[(y as usize * SCREEN_WIDTH) + x as usize] = color;
self.fb[(y as usize * SCREEN_WIDTH) + x as usize] = color;
} else {
return Err(()); // Not enough data
}
@@ -93,60 +93,17 @@ impl<'a> AtomicFrameBuffer<'a> {
Ok(())
}
// walk the dirty tiles and mark groups of tiles(meta-tiles) for batched updates
fn find_meta_tiles(&mut self, tiles_x: usize, tiles_y: usize) -> MetaTileVec {
let mut meta_tiles: MetaTileVec = heapless::Vec::new();
// Checks if a full draw would be faster than individual tile batches
fn should_full_draw(&self) -> bool {
let threshold_pixels = SIZE * 80 / 100;
let mut dirty_pixels = 0;
for ty in 0..tiles_y {
let mut tx = 0;
while tx < tiles_x {
let idx = ty * tiles_x + tx;
if !unsafe { DIRTY_TILES.get()[idx].load(Ordering::Acquire) } {
tx += 1;
continue;
}
// Start meta-tile at this tile
let mut width_tiles = 1;
let height_tiles = 1;
// Grow horizontally, but keep under MAX_TILES_PER_METATILE
while tx + width_tiles < tiles_x
&& unsafe {
DIRTY_TILES.get()[ty * tiles_x + tx + width_tiles].load(Ordering::Acquire)
}
&& (width_tiles + height_tiles) <= MAX_META_TILES
{
width_tiles += 1;
}
// TODO: for simplicity, skipped vertical growth
for x_off in 0..width_tiles {
unsafe {
DIRTY_TILES.get()[ty * tiles_x + tx + x_off]
.store(false, Ordering::Release);
};
}
// new meta-tile pos
let rect = Rectangle::new(
Point::new((tx * TILE_SIZE) as i32, (ty * TILE_SIZE) as i32),
Size::new(
(width_tiles * TILE_SIZE) as u32,
(height_tiles * TILE_SIZE) as u32,
),
);
if meta_tiles.push(rect).is_err() {
return meta_tiles;
};
tx += width_tiles;
self.dirty_tiles.iter().any(|tile| {
if tile.load(Ordering::Acquire) {
dirty_pixels += TILE_SIZE * TILE_SIZE;
}
}
meta_tiles
dirty_pixels >= threshold_pixels
})
}
/// Sends the entire framebuffer to the display
@@ -165,71 +122,40 @@ impl<'a> AtomicFrameBuffer<'a> {
0,
self.size().width as u16 - 1,
self.size().height as u16 - 1,
&self.0[..],
&self.fb[..],
)
.await?;
unsafe {
for tile in DIRTY_TILES.get_mut().iter() {
tile.store(false, Ordering::Release);
}
};
Ok(())
}
pub async fn safe_draw<SPI, DC, RST, DELAY>(
&mut self,
display: &mut ST7365P<SPI, DC, RST, DELAY>,
) -> Result<(), ()>
where
SPI: SpiDevice,
DC: OutputPin,
RST: OutputPin,
DELAY: DelayNs,
{
let tiles_x = SCREEN_WIDTH / TILE_SIZE;
let _tiles_y = SCREEN_HEIGHT / TILE_SIZE;
let tiles = unsafe { DIRTY_TILES.get_mut() };
let mut pixel_buffer: heapless::Vec<u16, { TILE_SIZE * TILE_SIZE }> = heapless::Vec::new();
for tile_idx in 0..TILE_COUNT {
if tiles[tile_idx].swap(false, Ordering::AcqRel) {
let tx = tile_idx % tiles_x;
let ty = tile_idx / tiles_x;
let x_start = tx * TILE_SIZE;
let y_start = ty * TILE_SIZE;
let x_end = (x_start + TILE_SIZE).min(SCREEN_WIDTH);
let y_end = (y_start + TILE_SIZE).min(SCREEN_HEIGHT);
pixel_buffer.clear();
for y in y_start..y_end {
let start = y * SCREEN_WIDTH + x_start;
let end = y * SCREEN_WIDTH + x_end;
pixel_buffer.extend_from_slice(&self.0[start..end]).unwrap();
}
display
.set_pixels_buffered(
x_start as u16,
y_start as u16,
(x_end - 1) as u16,
(y_end - 1) as u16,
&pixel_buffer,
)
.await
.unwrap();
}
for tile in self.dirty_tiles.iter() {
tile.store(false, Ordering::Release);
}
Ok(())
}
/// Sends only dirty tiles (16x16px) in batches to the display
// copy N tiles horizontally to the right into batch tile buf
fn append_tiles_to_batch(
&mut self,
tile_x: u16,
tile_y: u16,
total_tiles: u16, // number of tiles being written to buf
) {
debug_assert!(total_tiles as usize <= NUM_TILE_COLS);
for batch_row_num in 0..TILE_SIZE {
let batch_row_offset = batch_row_num * total_tiles as usize * TILE_SIZE;
let batch_row = &mut self.batch_tile_buf
[batch_row_offset..batch_row_offset + (total_tiles as usize * TILE_SIZE)];
let fb_row_offset = (tile_y as usize * TILE_SIZE + batch_row_num) * SCREEN_WIDTH
+ tile_x as usize * TILE_SIZE;
let fb_row =
&self.fb[fb_row_offset..fb_row_offset + (total_tiles as usize * TILE_SIZE)];
batch_row.copy_from_slice(fb_row);
}
}
// Pushes tiles to the display in batches to avoid full frame pushes (unless needed)
pub async fn partial_draw<SPI, DC, RST, DELAY>(
&mut self,
display: &mut ST7365P<SPI, DC, RST, DELAY>,
@@ -240,55 +166,53 @@ impl<'a> AtomicFrameBuffer<'a> {
RST: OutputPin,
DELAY: DelayNs,
{
if unsafe { DIRTY_TILES.get().iter().any(|p| p.load(Ordering::Acquire)) } {
let tiles_x = (SCREEN_WIDTH + TILE_SIZE - 1) / TILE_SIZE;
let tiles_y = (SCREEN_HEIGHT + TILE_SIZE - 1) / TILE_SIZE;
if self.should_full_draw() {
return self.draw(display).await;
}
let meta_tiles = self.find_meta_tiles(tiles_x, tiles_y);
for tile_row in 0..NUM_TILE_ROWS {
let row_start_idx = tile_row * NUM_TILE_COLS;
let mut col = 0;
// buffer for copying meta tiles before sending to display
let mut pixel_buffer: heapless::Vec<u16, { MAX_META_TILES * TILE_SIZE * TILE_SIZE }> =
heapless::Vec::new();
while col < NUM_TILE_COLS {
// Check for dirty tile
if self.dirty_tiles[row_start_idx + col].swap(false, Ordering::Acquire) {
let run_start = col;
let mut run_len = 1;
for rect in meta_tiles {
let rect_width = rect.size.width as usize;
let rect_height = rect.size.height as usize;
let rect_x = rect.top_left.x as usize;
let rect_y = rect.top_left.y as usize;
pixel_buffer.clear();
for row in 0..rect_height {
let y = rect_y + row;
let start = y * SCREEN_WIDTH + rect_x;
let end = start + rect_width;
// Safe: we guarantee buffer will not exceed MAX_META_TILE_PIXELS
pixel_buffer.extend_from_slice(&self.0[start..end]).unwrap();
}
display
.set_pixels_buffered(
rect_x as u16,
rect_y as u16,
(rect_x + rect_width - 1) as u16,
(rect_y + rect_height - 1) as u16,
&pixel_buffer,
)
.await?;
// walk the meta-tile and set as clean
let start_tx = rect_x / TILE_SIZE;
let start_ty = rect_y / TILE_SIZE;
let end_tx = (rect_x + rect_width - 1) / TILE_SIZE;
let end_ty = (rect_y + rect_height - 1) / TILE_SIZE;
for ty in start_ty..=end_ty {
for tx in start_tx..=end_tx {
let tile_idx = ty * tiles_x + tx;
unsafe { DIRTY_TILES.get_mut()[tile_idx].store(false, Ordering::Release) };
// Extend run while contiguous dirty tiles and within MAX_BATCH_TILES
while col + 1 < NUM_TILE_COLS
&& self.dirty_tiles[row_start_idx + col + 1].load(Ordering::Acquire)
&& run_len < MAX_BATCH_TILES
{
col += 1;
run_len += 1;
}
// Copy the whole horizontal run into the batch buffer in one call
let tile_x = run_start;
let tile_y = tile_row;
self.append_tiles_to_batch(tile_x as u16, tile_y as u16, run_len as u16);
// Compute coordinates for display write
let start_x = tile_x * TILE_SIZE;
let end_x = start_x + run_len * TILE_SIZE - 1;
let start_y = tile_y * TILE_SIZE;
let end_y = start_y + TILE_SIZE - 1;
// Send batch to display
display
.set_pixels_buffered(
start_x as u16,
start_y as u16,
end_x as u16,
end_y as u16,
&self.batch_tile_buf[..run_len * TILE_SIZE * TILE_SIZE],
)
.await?;
}
col += 1;
}
}
@@ -309,14 +233,14 @@ impl<'a> DrawTarget for AtomicFrameBuffer<'a> {
for Pixel(coord, color) in pixels {
if coord.x >= 0 && coord.y >= 0 {
let x = coord.x as i32;
let y = coord.y as i32;
let x = coord.x;
let y = coord.y;
if (x as usize) < SCREEN_WIDTH && (y as usize) < SCREEN_HEIGHT {
let idx = (y as usize) * SCREEN_WIDTH + (x as usize);
let raw_color = RawU16::from(color).into_inner();
if self.0[idx] != raw_color {
self.0[idx] = raw_color;
if self.fb[idx] != raw_color {
self.fb[idx] = raw_color;
changed = true;
}
@@ -365,8 +289,8 @@ impl<'a> DrawTarget for AtomicFrameBuffer<'a> {
if let Some(color) = colors.next() {
let idx = (p.y as usize * SCREEN_WIDTH) + (p.x as usize);
let raw_color = RawU16::from(color).into_inner();
if self.0[idx] != raw_color {
self.0[idx] = raw_color;
if self.fb[idx] != raw_color {
self.fb[idx] = raw_color;
changed = true;
}
} else {
@@ -404,7 +328,7 @@ impl<'a> DrawTarget for AtomicFrameBuffer<'a> {
.take((self.size().width * self.size().height) as usize),
)?;
for tile in unsafe { DIRTY_TILES.get_mut() }.iter() {
for tile in self.dirty_tiles.iter() {
tile.store(true, Ordering::Release);
}

View File

@@ -12,8 +12,10 @@ mod abi;
mod display;
mod elf;
mod framebuffer;
#[allow(unused)]
mod heap;
mod peripherals;
#[allow(unused)]
mod psram;
mod scsi;
mod storage;
@@ -27,6 +29,7 @@ use crate::{heap::init_qmi_psram_heap, psram::init_psram_qmi};
use crate::{
abi::{KEY_CACHE, MS_SINCE_LAUNCH},
display::{FRAMEBUFFER, display_handler, init_display},
heap::HEAP,
peripherals::{
conf_peripherals,
keyboard::{KeyState, read_keyboard_fifo},
@@ -225,6 +228,7 @@ struct Sd {
cs: Peri<'static, PIN_17>,
det: Peri<'static, PIN_22>,
}
#[allow(dead_code)]
struct Psram {
pio: Peri<'static, PIO0>,
sclk: Peri<'static, PIN_21>,
@@ -328,10 +332,14 @@ async fn kernel_task(
setup_mcu(mcu).await;
defmt::info!("setting up psram");
Timer::after_millis(100).await;
// setup_psram(psram).await;
#[cfg(feature = "pimoroni2w")]
setup_qmi_psram().await;
Timer::after_millis(100).await;
setup_display(display, spawner).await;
setup_sd(sd).await;

View File

@@ -549,13 +549,13 @@ pub fn init_psram_qmi(
let min_deselect: u32 = ((18 * 1_000_000 + (clock_period_fs - 1)) / clock_period_fs
- u64::from(divisor + 1) / 2) as u32;
#[cfg(feature = "defmt")]
defmt::info!(
"clock_period_fs={} max_select={} min_deselect={}",
clock_period_fs,
max_select,
min_deselect
);
// #[cfg(feature = "defmt")]
// defmt::info!(
// "clock_period_fs={} max_select={} min_deselect={}",
// clock_period_fs,
// max_select,
// min_deselect
// );
qmi.direct_csr().write(|w| {
w.set_clkdiv(10);

10
selection_ui/Cargo.toml Normal file
View File

@@ -0,0 +1,10 @@
[package]
name = "selection_ui"
version = "0.1.0"
edition = "2024"
[dependencies]
abi = { path = "../abi" }
embedded-graphics = "0.8.1"
embedded-layout = "0.4.2"
embedded-text = "0.7.3"

119
selection_ui/src/lib.rs Normal file
View File

@@ -0,0 +1,119 @@
#![no_std]
extern crate alloc;
use abi::{
display::Display,
get_key,
keyboard::{KeyCode, KeyState},
print, sleep,
};
use alloc::vec::Vec;
use embedded_graphics::{
Drawable,
mono_font::{MonoTextStyle, ascii::FONT_10X20},
pixelcolor::Rgb565,
prelude::{Dimensions, Point, Primitive, RgbColor, Size},
primitives::{PrimitiveStyle, Rectangle},
text::Text,
};
use embedded_layout::{
align::{horizontal, vertical},
layout::linear::{FixedMargin, LinearLayout},
prelude::*,
};
use embedded_text::TextBox;
pub struct SelectionUi<'a> {
selection: usize,
items: &'a [&'a str],
error: &'a str,
last_bounds: Option<Rectangle>,
}
impl<'a> SelectionUi<'a> {
pub fn new(items: &'a [&'a str], error: &'a str) -> Self {
Self {
selection: 0,
items,
error,
last_bounds: None,
}
}
pub fn run_selection_ui(&mut self, display: &mut Display) -> Result<Option<usize>, ()> {
self.draw(display)?;
let selection;
loop {
let key = get_key();
if key.state == KeyState::Pressed {
print!("Got Key press: {:?}", key.key);
if let Some(s) = self.update(display, key.key)? {
selection = Some(s);
break;
}
}
}
Ok(selection)
}
/// updates the display with a new keypress.
/// returns selection idx if selected
pub fn update(&mut self, display: &mut Display, key: KeyCode) -> Result<Option<usize>, ()> {
match key {
KeyCode::JoyUp => {
self.selection = self.selection.saturating_sub(1);
}
KeyCode::JoyDown => {
self.selection = self.selection.saturating_add(1);
}
KeyCode::Enter | KeyCode::JoyRight => return Ok(Some(self.selection)),
_ => return Ok(Some(self.selection)),
};
self.draw(display)?;
Ok(None)
}
fn draw(&mut self, display: &mut Display) -> Result<(), ()> {
let text_style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
let display_area = display.bounding_box();
if self.items.is_empty() {
TextBox::new(
&self.error,
Rectangle::new(
Point::new(25, 25),
Size::new(display_area.size.width - 50, display_area.size.width - 50),
),
text_style,
)
.draw(display)
.unwrap();
}
let mut views: Vec<Text<MonoTextStyle<Rgb565>>> = Vec::new();
for i in self.items {
views.push(Text::new(i, Point::zero(), text_style));
}
let views_group = Views::new(views.as_mut_slice());
let layout = LinearLayout::vertical(views_group)
.with_alignment(horizontal::Center)
.with_spacing(FixedMargin(5))
.arrange()
.align_to(&display_area, horizontal::Center, vertical::Center);
// draw selected box
let selected_bounds = layout.inner().get(self.selection).ok_or(())?.bounding_box();
Rectangle::new(selected_bounds.top_left, selected_bounds.size)
.into_styled(PrimitiveStyle::with_stroke(Rgb565::WHITE, 1))
.draw(display)?;
self.last_bounds = Some(layout.bounds());
layout.draw(display)?;
Ok(())
}
}

View File

@@ -1,12 +0,0 @@
[package]
name = "doom"
version = "0.1.0"
edition = "2024"
[dependencies]
abi = { path = "../../abi" }
embedded-graphics = "0.8.1"
[build-dependencies]
bindgen = "0.71.0"
cc = "1.0"

View File

@@ -1,126 +0,0 @@
//! This build script copies the `memory.x` file from the crate root into
//! a directory where the linker can always find it at build time.
//! For many projects this is optional, as the linker always searches the
//! project root directory -- wherever `Cargo.toml` is. However, if you
//! are using a workspace or have a more complicated build setup, this
//! build script becomes required. Additionally, by requesting that
//! Cargo re-run the build script whenever `memory.x` is changed,
//! updating `memory.x` ensures a rebuild of the application with the
//! new memory settings.
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::{Path, PathBuf};
use std::process::Command;
fn main() {
build_newlib();
build_doom();
// Put `memory.x` in our output directory and ensure it's
// on the linker search path.
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
File::create(out.join("memory.x"))
.unwrap()
.write_all(include_bytes!("memory.x"))
.unwrap();
println!("cargo:rustc-link-search={}", out.display());
println!("cargo:rerun-if-changed=memory.x");
println!("cargo:rustc-link-arg-bins=-Tmemory.x");
}
// TODO: use target to change newlib build - only workds for rp2350 right now
fn build_newlib() {
let out_dir = std::env::var("OUT_DIR").unwrap();
let picolibc_dir = format!("{}/picolibc", out_dir);
if !Path::new(&picolibc_dir).exists() {
let status = Command::new("git")
.args(&[
"clone",
"https://github.com/picolibc/picolibc",
&picolibc_dir,
])
.status()
.expect("Failed to clone picolibc");
assert!(status.success());
}
let build_dir = format!("{}/build", picolibc_dir);
std::fs::create_dir_all(&build_dir).unwrap();
let status = Command::new(&format!("{picolibc_dir}/scripts/do-configure"))
.current_dir(&build_dir)
.args(&[
"thumbv8m_main_fp-none-eabi",
"--buildtype=minsize",
"-Dtests=true",
"-Dtinystdio=false",
"-Dsingle-thread=true",
"-Db_pie=true",
"-Ddefault_library=static",
"-Dtinystdio=false",
"-Dmultilib=false",
".",
])
.status()
.expect("Failed to run Meson configure");
assert!(status.success());
let status = Command::new("ninja")
.current_dir(&build_dir)
.status()
.expect("Failed to run Ninja build");
assert!(status.success());
println!("cargo:rustc-link-search={}/newlib", build_dir);
println!("cargo:rustc-link-lib=c");
println!("cargo:rustc-link-lib=m");
}
fn build_doom() {
let ref dg_src_dir = std::path::PathBuf::from("doomgeneric/doomgeneric");
let mut dg_c_paths = vec![];
let mut dg_h_paths = vec![];
// Find most c and h files
for entry in std::fs::read_dir(dg_src_dir).unwrap() {
let entry = entry.unwrap();
if let Some(filename) = entry.file_name().to_str() {
if filename.starts_with("doomgeneric")
|| filename.contains("_allegro")
|| filename.contains("_sdl")
|| filename.contains("net_")
|| filename == "i_main.c"
{
continue;
}
if filename.ends_with(".h") {
dg_h_paths.push(dg_src_dir.join(filename));
} else if filename.ends_with(".c") {
dg_c_paths.push(dg_src_dir.join(filename));
}
}
}
dg_c_paths
.iter()
.chain(dg_h_paths.iter())
.for_each(|path| println!("cargo:rerun-if-changed={}", path.to_str().unwrap()));
cc::Build::new()
.compiler("arm-none-eabi-gcc")
.flag("-w") // silence warnings
.flag("-Os") // optimize for size
.flag("-ffunction-sections")
.flag("-fdata-sections")
.define("CMAP256", None)
.define("DOOMGENERIC_RESX", Some("320"))
.define("DOOMGENERIC_RESY", Some("200"))
.flag_if_supported("-std=gnu99")
.define("_POSIX_C_SOURCE", Some("200809L"))
.files(dg_c_paths)
.compile("doomgeneric");
}

View File

@@ -1,31 +0,0 @@
MEMORY
{
RAM : ORIGIN = 0x0, LENGTH = 400K
}
SECTIONS
{
.text : ALIGN(4)
{
*(.text .text.*);
*(.rodata .rodata.*);
} > RAM
.data : ALIGN(4)
{
*(.data .data.*);
} > RAM
.bss : ALIGN(4)
{
*(.bss .bss.*);
*(COMMON);
} > RAM
.syscall_table (NOLOAD) : ALIGN(4)
{
__user_reloc_start = .;
KEEP(*(.user_reloc*));
__user_reloc_end = .;
} > RAM
}

View File

@@ -1,112 +0,0 @@
use abi::{
abi_sys::{get_ms, sleep},
display::Display,
};
use core::ffi::{c_int, c_uchar};
use embedded_graphics::{
Drawable, Pixel,
draw_target::DrawTarget,
pixelcolor::Rgb565,
prelude::{Point, RgbColor},
};
#[unsafe(no_mangle)]
#[allow(non_snake_case)]
static mut DG_ScreenBuffer: *const u8 = core::ptr::null();
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct RGBA {
pub b: u8,
pub g: u8,
pub r: u8,
pub a: u8,
}
unsafe extern "C" {
fn D_DoomMain();
fn doomgeneric_Tick();
fn M_FindResponseFile();
pub static colors: [RGBA; 256];
}
pub fn tick() {
unsafe { doomgeneric_Tick() };
}
pub struct ScreenBuffer<const RESX: usize, const RESY: usize, const SIZE: usize>(pub [u8; SIZE]);
impl<const RESX: usize, const RESY: usize, const SIZE: usize> ScreenBuffer<RESX, RESY, SIZE> {
#[allow(dead_code)]
const NA: () = assert!(SIZE == RESX * RESY);
pub const fn new() -> Self {
Self([0_u8; SIZE])
}
}
#[unsafe(no_mangle)]
extern "C" fn DG_SetWindowTitle() {}
pub fn create<const RESX: usize, const RESY: usize, const SIZE: usize>(
screenbuffer: &ScreenBuffer<RESX, RESY, SIZE>,
) {
unsafe {
M_FindResponseFile();
DG_ScreenBuffer = screenbuffer.0.as_ptr();
D_DoomMain();
}
}
const X: usize = 320;
const Y: usize = 200;
const SIZE: usize = X * Y;
pub static mut DISPLAY: Option<Display> = None;
pub static mut SCREEN_BUFFER: ScreenBuffer<X, Y, SIZE> = ScreenBuffer::new();
#[unsafe(no_mangle)]
extern "C" fn DG_DrawFrame() {
let palette565: [Rgb565; 256] = unsafe {
colors.map(|c| {
Rgb565::new(
((c.r as u16 * 31) / 255) as u8, // red 5 bits
((c.g as u16 * 63) / 255) as u8, // green 6 bits
((c.b as u16 * 31) / 255) as u8, // blue 5 bits
)
})
};
let buf = unsafe { &SCREEN_BUFFER.0 };
let display = unsafe { DISPLAY.as_mut().unwrap() };
display.clear(Rgb565::BLACK).unwrap();
for y in 0..Y {
for x in 0..X {
let idx = y * X + x;
let color = palette565[buf[idx] as usize];
Pixel(Point::new(x as i32, y as i32), color)
.draw(display)
.unwrap();
}
}
}
#[unsafe(no_mangle)]
extern "C" fn DG_GetTicksMs() -> u32 {
get_ms() as u32
}
#[unsafe(no_mangle)]
extern "C" fn DG_GetKey(pressed: *mut c_int, key: *mut c_uchar) -> c_int {
0
}
#[unsafe(no_mangle)]
extern "C" fn DG_SleepMs(ms: u32) {
sleep(ms.into());
}

View File

@@ -1,118 +0,0 @@
use core::ffi::{c_char, c_int, c_uchar, c_void};
use core::ptr;
#[unsafe(no_mangle)]
pub static _ctype_: [c_uchar; 256] = [0u8; 256];
#[repr(C)]
pub struct Reent {
pub errno: c_int,
_reserved: [u8; 32],
}
#[unsafe(no_mangle)]
pub static mut _reent_data: Reent = Reent {
errno: 0,
_reserved: [0; 32],
};
#[unsafe(no_mangle)]
pub static mut _impure_ptr: *mut Reent = unsafe { &mut _reent_data as *mut Reent };
#[unsafe(no_mangle)]
pub extern "C" fn __errno() -> *mut c_int {
unsafe { &mut (*_impure_ptr).errno as *mut c_int }
}
#[unsafe(no_mangle)]
pub extern "C" fn exit(_status: i32) -> ! {
loop {}
}
#[unsafe(no_mangle)]
pub extern "C" fn close(_file: i32) -> i32 {
-1
}
#[repr(C)]
pub struct Stat {
st_mode: u32,
}
#[unsafe(no_mangle)]
pub extern "C" fn fstat(_file: i32, st: *mut Stat) -> i32 {
unsafe {
if !st.is_null() {
(*st).st_mode = 0x2000; // S_IFCHR
}
}
0
}
#[unsafe(no_mangle)]
pub extern "C" fn isatty(_file: i32) -> i32 {
1
}
#[unsafe(no_mangle)]
pub extern "C" fn lseek(_file: i32, _ptr: i32, _dir: i32) -> i32 {
0
}
#[unsafe(no_mangle)]
pub extern "C" fn lseek64(_fd: c_int, _offset: i64, _whence: c_int) -> i64 {
0
}
#[unsafe(no_mangle)]
pub extern "C" fn open(_name: *const u8, _flags: i32, _mode: i32) -> i32 {
-1
}
#[unsafe(no_mangle)]
pub extern "C" fn read(_file: i32, _ptr: *mut u8, len: usize) -> i32 {
len as i32
}
#[unsafe(no_mangle)]
pub extern "C" fn write(_file: i32, _ptr: *const u8, len: usize) -> i32 {
len as i32
}
#[unsafe(no_mangle)]
pub extern "C" fn rename(_old: *const c_char, _new: *const c_char) -> c_int {
-1
}
#[unsafe(no_mangle)]
pub extern "C" fn kill(_pid: i32, _sig: i32) -> i32 {
-1
}
#[unsafe(no_mangle)]
pub extern "C" fn getpid() -> i32 {
1
}
#[unsafe(no_mangle)]
pub extern "C" fn link(_old: *const u8, _new: *const u8) -> i32 {
-1
}
#[unsafe(no_mangle)]
pub extern "C" fn unlink(_name: *const u8) -> i32 {
-1
}
#[unsafe(no_mangle)]
pub extern "C" fn mkdir(_path: *const u8, _mode: u32) -> i32 {
0
}
#[unsafe(no_mangle)]
pub extern "C" fn sbrk(incr: isize) -> *mut c_void {
core::ptr::null_mut()
}
#[unsafe(no_mangle)]
pub extern "C" fn fini() {}

View File

@@ -1,43 +0,0 @@
#![no_std]
#![no_main]
#![allow(static_mut_refs)]
#![feature(c_variadic)]
extern crate alloc;
use abi::{
display::Display,
fs::{file_len, read_file},
get_key, get_ms,
keyboard::{KeyCode, KeyState},
print, sleep,
};
use alloc::vec;
use core::panic::PanicInfo;
use embedded_graphics::{pixelcolor::Rgb565, prelude::Point};
mod doom;
use crate::doom::{DISPLAY, SCREEN_BUFFER, create, tick};
mod libc;
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
print!("user panic: {} @ {:?}", info.message(), info.location(),);
loop {}
}
#[unsafe(no_mangle)]
pub extern "Rust" fn _start() {
main()
}
pub fn main() {
print!("Starting Doom app");
let display = Display;
unsafe { DISPLAY = Some(display) };
unsafe { create(&SCREEN_BUFFER) };
loop {
tick();
}
}

View File

@@ -5,12 +5,12 @@
extern crate alloc;
use abi::{
display::{Display, SCREEN_HEIGHT, SCREEN_WIDTH},
fs::{list_dir, read_file},
fs::{Entries, list_dir, read_file},
get_key,
keyboard::{KeyCode, KeyState},
print,
};
use alloc::{format, string::ToString, vec};
use alloc::{format, vec};
use core::panic::PanicInfo;
use embedded_graphics::{
Drawable, image::Image, mono_font::MonoTextStyle, mono_font::ascii::FONT_6X10,
@@ -34,7 +34,6 @@ pub fn main() {
let mut bmp_buf = vec![0_u8; 100_000];
let mut display = Display;
// Grid parameters
let grid_cols = 3;
let grid_rows = 3;
let cell_width = SCREEN_WIDTH as i32 / grid_cols;
@@ -42,50 +41,44 @@ pub fn main() {
let mut images_drawn = 0;
let mut files = [const { None }; 18];
let files_num = list_dir("/images", &mut files);
let mut entries = Entries::new();
let files_num = list_dir("/images", &mut entries);
for file in &files[2..files_num] {
for file in &entries.entries()[2..files_num] {
if images_drawn >= grid_cols * grid_rows {
break; // only draw 3x3
}
if let Some(f) = file {
print!("file: {}", f.name);
if f.name.extension() == b"bmp" || f.name.extension() == b"BMP" {
let file = format!("/images/{}", f.name);
print!("file: {}", file);
if file.extension().unwrap_or("") == "bmp" || file.extension().unwrap_or("") == "BMP" {
let file_path = format!("/images/{}", file);
let read = read_file(&file, 0, &mut &mut bmp_buf[..]);
if read > 0 {
let bmp = Bmp::from_slice(&bmp_buf).expect("failed to parse bmp");
let read = read_file(&file_path, 0, &mut &mut bmp_buf[..]);
if read > 0 {
let bmp = Bmp::from_slice(&bmp_buf).expect("failed to parse bmp");
let row = images_drawn / grid_cols;
let col = images_drawn % grid_cols;
let cell_x = col * cell_width;
let cell_y = row * cell_height;
let row = images_drawn / grid_cols;
let col = images_drawn % grid_cols;
let cell_x = col * cell_width;
let cell_y = row * cell_height;
// Center image inside cell
let bmp_w = bmp.size().width as i32;
let bmp_h = bmp.size().height as i32;
let x = cell_x + (cell_width - bmp_w) / 2;
let y = cell_y + 5; // 5px top margin
// Center image inside cell
let bmp_w = bmp.size().width as i32;
let bmp_h = bmp.size().height as i32;
let x = cell_x + (cell_width - bmp_w) / 2;
let y = cell_y + 5; // 5px top margin
Image::new(&bmp, Point::new(x, y))
.draw(&mut display)
.unwrap();
let text_style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
let text_y = y + bmp_h + 2; // 2px gap under image
Text::new(
f.name.to_string().as_str(),
Point::new(cell_x + 2, text_y),
text_style,
)
Image::new(&bmp, Point::new(x, y))
.draw(&mut display)
.unwrap();
images_drawn += 1;
}
let text_style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
let text_y = y + bmp_h + 2; // 2px gap under image
Text::new(&file.base(), Point::new(cell_x + 2, text_y), text_style)
.draw(&mut display)
.unwrap();
images_drawn += 1;
}
}
}

View File

@@ -6,4 +6,5 @@ edition = "2024"
[dependencies]
abi = { path = "../../abi" }
embedded-graphics = "0.8.1"
selection_ui = { path = "../../selection_ui" }
tinygif = { git = "https://github.com/LegitCamper/tinygif" }

View File

@@ -4,16 +4,17 @@
extern crate alloc;
use abi::{
display::Display,
fs::{file_len, read_file},
fs::{Entries, file_len, list_dir, read_file},
get_key, get_ms,
keyboard::{KeyCode, KeyState},
print, sleep,
};
use alloc::vec;
use alloc::{format, vec, vec::Vec};
use core::panic::PanicInfo;
use embedded_graphics::{
image::ImageDrawable, pixelcolor::Rgb565, prelude::Point, transform::Transform,
};
use selection_ui::SelectionUi;
use tinygif::Gif;
#[panic_handler]
@@ -31,13 +32,27 @@ pub fn main() {
print!("Starting Gif app");
let mut display = Display;
let size = file_len("/gifs/bad_apple.gif");
let mut entries = Entries::new();
list_dir("/gifs", &mut entries);
let mut files = entries.entries();
files.retain(|e| e.extension().unwrap_or("") == "gif");
let gifs = &files.iter().map(|e| e.full_name()).collect::<Vec<&str>>();
let mut selection_ui = SelectionUi::new(&gifs, "No Gif files found in /gifs");
let selection = selection_ui
.run_selection_ui(&mut display)
.expect("failed to draw")
.expect("Failed to get user selection");
let file_name = format!("/gifs/{}", gifs[selection]);
let size = file_len(&file_name);
let mut buf = vec![0_u8; size];
let read = read_file("/gifs/bad_apple.gif", 0, &mut buf);
let read = read_file(&file_name, 0, &mut buf);
print!("read: {}, file size: {}", read, size);
assert!(read == size);
let gif = Gif::<Rgb565>::from_slice(&buf).unwrap();
let gif = Gif::<Rgb565>::from_slice(&buf).expect("Failed to parse gif");
let height = gif.height();
let mut frame_num = 0;
@@ -51,11 +66,14 @@ pub fn main() {
.unwrap();
frame_num += 1;
if frame_num % 100 == 0 {
if frame_num % 5 == 0 {
let event = get_key();
if event.state != KeyState::Idle {
match event.key {
KeyCode::Esc => return,
KeyCode::Esc => {
drop(buf);
return;
}
_ => (),
};
};