firmware for my Touchscreen E-Paper Input Module for Framework Laptop 16
eepy-launcher: improve main page, implement app updates
author
arthomnix
date
(Feb 12, 2025, 5:21 PM UTC)
commit
a3ff1f4e
a3ff1f4e4e2aaec4a4c1ec5def91c21d36dc12f7
parent
58afaf4b
58afaf4bf5963f4238fac5fd947287c660d1c6cb
+69
-27
+13
-1
eepy-launcher/src/main.rs
+13
-1
eepy-launcher/src/main.rs
···
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extern crate panic_halt;
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use core::arch::asm;
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use core::mem::offset_of;
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use core::sync::atomic::Ordering;
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use usb_device::bus::UsbBusAllocator;
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use eepy_gui::draw_target::EpdDrawTarget;
···
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use eepy_sys::usb::{self, UsbBus};
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use usb_device::prelude::*;
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use usbd_serial::SerialPort;
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use eepy_sys::eepy_app;
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use eepy_sys::{eepy_app, flash};
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use eepy_sys::header::{slot_ptr, ProgramSlotHeader};
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use crate::serial::{HOST_APP, NEEDS_REFRESH, NEEDS_REFRESH_PROGRAMS};
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use crate::ui::MainGui;
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static mut USB: Option<UsbBusAllocator<UsbBus>> = None;
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static mut USB_DEVICE: Option<UsbDevice<UsbBus>> = None;
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static mut USB_SERIAL: Option<SerialPort<UsbBus>> = None;
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pub(crate) unsafe fn delete_program(slot: u8) {
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let ptr = unsafe { slot_ptr(slot) };
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let mut buf = [0u8; 256];
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unsafe { buf.copy_from_slice(core::slice::from_raw_parts(ptr, 256)) };
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let offset = offset_of!(ProgramSlotHeader, len);
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buf[offset..offset + 4].copy_from_slice(&0usize.to_ne_bytes());
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unsafe { flash::program(slot as u32 * 512 * 1024, &buf) };
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}
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#[eepy_app(name = "Launcher")]
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fn main() {
+19
-3
eepy-launcher/src/serial.rs
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-3
eepy-launcher/src/serial.rs
···
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use usbd_serial::SerialPort;
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use eepy_serial::{Response, SerialCommand};
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use eepy_sys::flash::erase_and_program;
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use eepy_sys::header::{slot, slot_ptr};
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use eepy_sys::header::{slot, slot_ptr, Programs};
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use eepy_sys::image::refresh;
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use eepy_sys::IMAGE_BYTES;
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use eepy_sys::{header, IMAGE_BYTES};
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use eepy_sys::input::{next_event, set_touch_enabled};
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use eepy_sys::misc::{debug, info, trace};
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use eepy_sys::usb::UsbBus;
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use crate::{USB_DEVICE, USB_SERIAL};
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use crate::{delete_program, USB_DEVICE, USB_SERIAL};
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use crate::ui::flashing::draw_flashing_ui;
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#[derive(Copy, Clone, Debug)]
···
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buf[0..4].copy_from_slice(&(erase_cycles + 1).to_ne_bytes());
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unsafe { write_flash(&buf[0..4096], slot, 0) };
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let this_header = unsafe { header::slot(slot) };
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let this_name = unsafe { core::slice::from_raw_parts((*this_header).name_ptr, (*this_header).name_len) };
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// If there is an old program with the same name, delete it
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Programs::new()
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.filter_map(|prog| unsafe {
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let name = core::slice::from_raw_parts((*prog).name_ptr, (*prog).name_len);
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if (*prog).slot() != slot && name == this_name {
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Some((*prog).slot())
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} else {
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None
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}
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})
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.for_each(|slot| unsafe { delete_program(slot) });
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PROG_SLOT.store(0, Ordering::Relaxed);
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NEEDS_REFRESH_PROGRAMS.store(true, Ordering::Relaxed);
+11
-10
eepy-launcher/src/ui/page/app_info.rs
+11
-10
eepy-launcher/src/ui/page/app_info.rs
···
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use core::mem::offset_of;
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use eepy_gui::element::button::Button;
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use embedded_graphics::prelude::*;
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use embedded_graphics::text::Text;
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use eepy_gui::draw_target::EpdDrawTarget;
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use eepy_gui::element::{Gui, DEFAULT_TEXT_STYLE};
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use eepy_sys::flash;
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use eepy_sys::header::{slot, slot_ptr, ProgramSlotHeader};
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use eepy_sys::header::slot;
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use eepy_sys::input_common::Event;
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use crate::delete_program;
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use crate::ui::MainGui;
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use crate::ui::page::main::MainPage;
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···
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}
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fn tick(&mut self, target: &mut EpdDrawTarget, ev: Event) -> Self::Output {
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let mut refresh = false;
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let b = self.back_button.tick(target, ev);
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if b.clicked {
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return Some(MainGui::MainPage(MainPage::new()));
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}
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refresh |= b.needs_refresh;
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let d = self.delete_button.tick(target, ev);
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if d.clicked {
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let ptr = unsafe { slot_ptr(self.slot) };
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let mut buf = [0u8; 256];
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unsafe { buf.copy_from_slice(core::slice::from_raw_parts(ptr, 256)) };
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let offset = offset_of!(ProgramSlotHeader, len);
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buf[offset..offset + 4].copy_from_slice(&[0; 4]);
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unsafe { flash::program(self.slot as u32 * 512 * 1024, &buf) };
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unsafe { delete_program(self.slot) };
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return Some(MainGui::MainPage(MainPage::new()));
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}
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refresh |= d.needs_refresh;
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if refresh {
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target.refresh(true);
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}
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None
+22
-9
eepy-launcher/src/ui/page/main.rs
+22
-9
eepy-launcher/src/ui/page/main.rs
···
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}
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impl MainPage {
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fn app_button(x: usize, y: usize, label: &'static str) -> Button<'static> {
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let x_coord = 10 + 115 * x as i32;
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let y_coord = 8 + 25 * y as i32;
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Button::with_default_style(
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Rectangle::new(Point::new(x_coord, y_coord), Size::new(105, 20)),
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label,
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false,
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)
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}
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pub(crate) fn refresh_buttons(&mut self) {
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let mut programs = Programs::new();
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for y in 0..16 {
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for x in 0..2 {
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// Reserve the first space for the scratchpad
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if x == 0 && y == 0 {
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continue;
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}
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if let Some(prog) = programs.next() {
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let bi = y * 2 + x;
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let x_coord = if x == 0 { 10 } else { 125 };
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let y_coord = 35 + 23 * y as i32;
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let button = Button::with_default_style(
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Rectangle::new(Point::new(x_coord, y_coord), Size::new(105, 20)),
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unsafe { (*prog).name().unwrap() },
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false,
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);
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let button = Self::app_button(x, y, unsafe { (*prog).name().unwrap_or("<invalid>") });
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let slot_num = unsafe { (&*prog).slot() };
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self.app_buttons[bi] = Some((button, slot_num))
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}
···
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pub(crate) fn new() -> Self {
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let mut res = Self {
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scratchpad_button: Button::with_default_style_auto_sized(Point::new(10, 10), "Scratchpad", true),
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scratchpad_button: Button::with_default_style(
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Rectangle::new(Point::new(10, 8), Size::new(105, 20)),
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"Scratchpad",
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true
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),
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app_buttons: [const { None }; 32],
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};
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res.refresh_buttons();
···
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draw_target.refresh(true);
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}
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for b in &mut self.app_buttons {
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for b in &mut self.app_buttons[1..] {
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if let Some((button, s)) = b {
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let response = button.tick(draw_target, ev);
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+4
-4
eepy-sys/src/header.rs
+4
-4
eepy-sys/src/header.rs
···
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return false;
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}
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if self.name().is_err() {
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if unsafe { self.name() }.is_err() {
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#[cfg(feature = "defmt")]
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warn!("Program name is not valid UTF-8");
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return false;
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}
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if self.version().is_err() {
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if unsafe { self.version() }.is_err() {
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#[cfg(feature = "defmt")]
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warn!("Program version string is not valid UTF-8");
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return false;
···
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crc == self.crc
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}
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pub fn name(&self) -> Result<&str, Utf8Error> {
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pub unsafe fn name(&self) -> Result<&str, Utf8Error> {
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unsafe {
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core::str::from_utf8(core::slice::from_raw_parts(self.name_ptr, self.name_len))
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}
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}
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pub fn version(&self) -> Result<&str, Utf8Error> {
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pub unsafe fn version(&self) -> Result<&str, Utf8Error> {
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unsafe {
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core::str::from_utf8(core::slice::from_raw_parts(self.version_ptr, self.version_len))
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}