firmware for my Touchscreen E-Paper Input Module for Framework Laptop 16
program interface: add option to select refresh blocking mode
author
arthomnix
date
(Jan 11, 2025, 2:38 PM UTC)
commit
c978ae21
c978ae212ce385b389a8df50b7a137b480bb1ea6
parent
5f959c01
5f959c01a24a93853858be5280a4f5399d9dfd02
+13
-12
+3
-3
fw16-epd-main/src/gui.rs
+3
-3
fw16-epd-main/src/gui.rs
···
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use embedded_graphics::text::Text;
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use heapless::String;
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use fw16_epd_program_interface::eg::EpdDrawTarget;
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use fw16_epd_program_interface::{TouchEvent, TouchEventType};
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use fw16_epd_program_interface::TouchEvent;
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use crate::{next_touch_event, set_touch_enabled};
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pub(crate) fn gui_main(mut draw_target: EpdDrawTarget) -> ! {
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draw_target.refresh(false);
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draw_target.refresh(false, true);
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unsafe { set_touch_enabled(true) };
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···
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.draw(&mut draw_target)
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.unwrap();
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debug!("triggering refresh");
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draw_target.refresh(true);
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draw_target.refresh(true, false);
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}
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}
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}
+5
-3
fw16-epd-main/src/main.rs
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-3
fw16-epd-main/src/main.rs
···
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critical_section::with(|cs| IMAGE_BUFFER.borrow_ref_mut(cs).copy_from_slice(image));
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}
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extern "C" fn refresh(fast_refresh: bool) {
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extern "C" fn refresh(fast_refresh: bool, block_ack: bool) {
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DO_REFRESH.store(true, Ordering::Relaxed);
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FAST_REFRESH.store(fast_refresh, Ordering::Relaxed);
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cortex_m::asm::sev();
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// Wait until the refresh has been initiated
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while DO_REFRESH.load(Ordering::Relaxed) {}
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if block_ack {
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while DO_REFRESH.load(Ordering::Relaxed) {}
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}
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}
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extern "C" fn next_touch_event() -> SafeOption<TouchEvent> {
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-5
fw16-epd-program-interface/src/eg.rs
+4
-5
fw16-epd-program-interface/src/eg.rs
···
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use embedded_graphics::pixelcolor::BinaryColor;
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use embedded_graphics::primitives::Rectangle;
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use tp370pgh01::{DIM_X, DIM_Y, IMAGE_BYTES};
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use crate::ProgramFunctionTable;
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pub struct EpdDrawTarget {
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write_image: extern "C" fn(&[u8; IMAGE_BYTES]),
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refresh: extern "C" fn(bool),
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refresh: extern "C" fn(bool, bool),
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buf: [u8; IMAGE_BYTES],
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}
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···
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}
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impl EpdDrawTarget {
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pub const fn new(write_image: extern "C" fn(&[u8; IMAGE_BYTES]), refresh: extern "C" fn(bool)) -> Self {
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pub const fn new(write_image: extern "C" fn(&[u8; IMAGE_BYTES]), refresh: extern "C" fn(bool, bool)) -> Self {
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Self {
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write_image,
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refresh,
···
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}
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}
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-
pub fn refresh(&self, fast_refresh: bool) {
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pub fn refresh(&self, fast_refresh: bool, block_ack: bool) {
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(self.write_image)(&self.buf);
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(self.refresh)(fast_refresh);
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(self.refresh)(fast_refresh, block_ack);
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}
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}
+1
-1
fw16-epd-program-interface/src/lib.rs
+1
-1
fw16-epd-program-interface/src/lib.rs
···
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#[derive(Copy, Clone)]
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pub struct ProgramFunctionTable {
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pub write_image: extern "C" fn(&[u8; IMAGE_BYTES]),
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pub refresh: extern "C" fn(bool),
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pub refresh: extern "C" fn(bool, bool),
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pub next_touch_event: extern "C" fn() -> SafeOption<TouchEvent>,
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pub set_touch_enabled: unsafe extern "C" fn(bool),
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}