diff --git a/Readme.md b/Readme.md
index ccbedb0..2be427e 100644
--- a/Readme.md
+++ b/Readme.md
@@ -146,7 +146,10 @@ Images are loaded as TGA assets, but shall not have an alpha channel.
You can convert them using [ImageMagick](https://imagemagick.org) like this:
```shell
# resize to 25px height, adding a black background to the white symbol and vice versa
-magick Sinnbild_Radfahrer_StVO_1992-200px-white.png -resize x25 -background black -alpha background -flatten -alpha off -verbose Sinnbild_Radfahrer_StVO_1992-25px-white.tga
-magick Sinnbild_Radfahrer_StVO_1992-200px-black.png -resize x25 -background white -alpha background -flatten -alpha off -verbose Sinnbild_Radfahrer_StVO_1992-25px-black.tga
-```
+magick Sinnbild_Radfahrer_StVO_1992-200px-white.png -resize x25 -background black -alpha background -flatten -alpha off -colorspace Gray -verbose Sinnbild_Radfahrer_StVO_1992-25px-white.tga
+magick Sinnbild_Radfahrer_StVO_1992-200px-black.png -resize x25 -background white -alpha background -flatten -alpha off -colorspace Gray -verbose Sinnbild_Radfahrer_StVO_1992-25px-black.tga
+magick Stationary_Emergency_Vehicle-140x105.svg -resize 70 -background black -alpha background -flatten -alpha off -colorspace Gray -verbose Stationary_Emergency_Vehicle-70px.tga
+magick Stationary_Vehicle-140x70.svg -resize 80 -background black -alpha background -flatten -alpha off -colorspace Gray -verbose Stationary_Vehicle-80px.tga
+magick Work_Zone-140x95.svg -resize 80 -background black -alpha background -flatten -alpha off -colorspace Gray -verbose Work_Zone-80px.tga
+```
diff --git a/graphics/Stationary_Emergency_Vehicle-140x105.svg b/graphics/Stationary_Emergency_Vehicle-140x105.svg
new file mode 100644
index 0000000..f5b5aa0
--- /dev/null
+++ b/graphics/Stationary_Emergency_Vehicle-140x105.svg
@@ -0,0 +1,38 @@
+
+
+
diff --git a/graphics/Stationary_Emergency_Vehicle-70px.tga b/graphics/Stationary_Emergency_Vehicle-70px.tga
new file mode 100644
index 0000000..3076adb
Binary files /dev/null and b/graphics/Stationary_Emergency_Vehicle-70px.tga differ
diff --git a/graphics/Stationary_Vehicle-140x70.svg b/graphics/Stationary_Vehicle-140x70.svg
new file mode 100644
index 0000000..3ff1cd7
--- /dev/null
+++ b/graphics/Stationary_Vehicle-140x70.svg
@@ -0,0 +1,15 @@
+
+
+
diff --git a/graphics/Stationary_Vehicle-80px.tga b/graphics/Stationary_Vehicle-80px.tga
new file mode 100644
index 0000000..475ef75
Binary files /dev/null and b/graphics/Stationary_Vehicle-80px.tga differ
diff --git a/graphics/Work_Zone-140x95.svg b/graphics/Work_Zone-140x95.svg
new file mode 100644
index 0000000..bbbe6fb
--- /dev/null
+++ b/graphics/Work_Zone-140x95.svg
@@ -0,0 +1,17 @@
+
+
+
diff --git a/graphics/Work_Zone-80px.tga b/graphics/Work_Zone-80px.tga
new file mode 100644
index 0000000..a397e21
Binary files /dev/null and b/graphics/Work_Zone-80px.tga differ
diff --git a/src/applogic/denm.rs b/src/applogic/denm.rs
index 9d46dbb..d4a5516 100644
--- a/src/applogic/denm.rs
+++ b/src/applogic/denm.rs
@@ -1,13 +1,14 @@
//! C-ITS DENM Evaluation
+use c_its_parser::standards::cdd_2_2_1::etsi_its_cdd;
use c_its_parser::standards::denm_2_2_1::denm_pdu_description;
use log::info;
-pub fn handle_denm(etsi: &denm_pdu_description::DENM) {
+pub fn handle_denm(etsi: &denm_pdu_description::DENM) -> Option {
let mgmt = &etsi.denm.management;
if mgmt.termination.is_some() {
- return;
+ return None;
}
if let (Some(sit), Some(loc)) = (&etsi.denm.situation, &etsi.denm.location) {
@@ -38,7 +39,11 @@ pub fn handle_denm(etsi: &denm_pdu_description::DENM) {
"DENN: {station_id}/{seq_num} CC {cc}/{scc} at {lat_deg:.3}°N, {lon_deg:.3}°E until {end_time:?}"
);
}
+
+ Some(sit.event_type.cc_and_scc.clone())
} else {
info!("DENM: One of situation or location container not available");
+
+ None
}
}
diff --git a/src/main.rs b/src/main.rs
index 5c23fe6..e00e282 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -389,7 +389,16 @@ async fn main(spawner: Spawner) -> ! {
}
// update GNSS HB on screen
- let _ = screen.update_gnss(pvt);
+ #[cfg(feature = "screen")]
+ {
+ let _ = screen.update_gnss(pvt);
+
+ // revert to waiting for DENMs, if SPAT is not enabled
+ #[cfg(all(not(feature = "spat"), feature = "denm"))]
+ let _ = screen
+ .update(screen::ScreenState::DenmWaiting())
+ .inspect_err(log_screen_error);
+ }
}
ublox::proto27::PacketRef::AckNak(nak) => {
error!("UBX: {nak:?}");
@@ -579,7 +588,15 @@ async fn main(spawner: Spawner) -> ! {
transport: _,
ref etsi,
} => {
- applogic::denm::handle_denm(etsi);
+ match applogic::denm::handle_denm(etsi) {
+ #[cfg(feature = "screen")]
+ Some(cc) => {
+ let _ = screen
+ .update(screen::ScreenState::DenmWarning(cc))
+ .inspect_err(log_screen_error);
+ }
+ _ => {}
+ }
// Send data to BLE thread
#[cfg(feature = "ble")]
diff --git a/src/screen.rs b/src/screen.rs
index 32bcfc7..22d0645 100644
--- a/src/screen.rs
+++ b/src/screen.rs
@@ -1,11 +1,16 @@
//! Screen Output
+#[cfg(feature = "denm")]
+use c_its_parser::standards::cdd_2_2_1;
use embedded_graphics::prelude::*;
use embedded_graphics::{geometry, mono_font, pixelcolor, primitives, text};
#[cfg(feature = "spat")]
use crate::applogic;
+#[cfg(feature = "denm")]
+const DENM_MIN_DISPLAY_TIME: esp_hal::time::Duration = esp_hal::time::Duration::from_secs(3);
+
pub struct DisplaySize {
width: u16,
height: u16,
@@ -24,10 +29,20 @@ where
prev_state: ScreenState,
hb_state: bool,
gnss_hb_state: bool,
+ #[cfg(feature = "denm")]
+ denm_display_start_time: esp_hal::time::Instant,
// assets
#[cfg(feature = "spat")]
- bike_image: tinytga::Tga<'static, pixelcolor::Rgb565>,
+ bike_image: tinytga::Tga<'static, pixelcolor::Rgb565>, // 45x25px
+ // #[cfg(feature = "denm")]
+ // warn_icon: tinytga::Tga<'static, pixelcolor::Rgb565>, // 200x153 px
+ #[cfg(feature = "denm")]
+ sv_insert: tinytga::Tga<'static, pixelcolor::Rgb565>, // 80px wide (original 140x70)
+ #[cfg(feature = "denm")]
+ ev_insert: tinytga::Tga<'static, pixelcolor::Rgb565>, // 60px wide (original 140x105)
+ #[cfg(feature = "denm")]
+ rww_insert: tinytga::Tga<'static, pixelcolor::Rgb565>, // 80px wide (original 140x95)
}
#[derive(Debug, Default, PartialEq, Eq)]
@@ -43,6 +58,10 @@ pub enum ScreenState {
GlosaFound(applogic::GlosaFound),
#[cfg(feature = "spat")]
GlosaLocked(applogic::GlosaSignalInfo),
+ #[cfg(all(not(feature = "spat"), feature = "denm"))]
+ DenmWaiting(),
+ #[cfg(feature = "denm")]
+ DenmWarning(cdd_2_2_1::etsi_its_cdd::CauseCodeChoice),
}
#[cfg(feature = "spat")]
@@ -101,9 +120,23 @@ where
pub fn new(target: D, display_size: DisplaySize) -> Self {
#[cfg(feature = "spat")]
- let data = include_bytes!("../graphics/Sinnbild_Radfahrer_StVO_1992-25px-white.tga");
- #[cfg(feature = "spat")]
- let bike_image = tinytga::Tga::from_slice(data).expect("Failed to parse TGA image");
+ let bike_image = tinytga::Tga::from_slice(include_bytes!(
+ "../graphics/Sinnbild_Radfahrer_StVO_1992-25px-white.tga"
+ ))
+ .expect("Failed to parse TGA image");
+
+ #[cfg(feature = "denm")]
+ let sv_insert =
+ tinytga::Tga::from_slice(include_bytes!("../graphics/Stationary_Vehicle-80px.tga"))
+ .expect("Failed to parse TGA image");
+ #[cfg(feature = "denm")]
+ let ev_insert = tinytga::Tga::from_slice(include_bytes!(
+ "../graphics/Stationary_Emergency_Vehicle-70px.tga"
+ ))
+ .expect("Failed to parse TGA image");
+ #[cfg(feature = "denm")]
+ let rww_insert = tinytga::Tga::from_slice(include_bytes!("../graphics/Work_Zone-80px.tga"))
+ .expect("Failed to parse TGA image");
Self {
target,
@@ -111,15 +144,53 @@ where
prev_state: ScreenState::Uninitialized,
hb_state: false,
gnss_hb_state: false,
+ #[cfg(feature = "denm")]
+ denm_display_start_time: esp_hal::time::Instant::EPOCH,
#[cfg(feature = "spat")]
bike_image,
+ // #[cfg(feature = "denm")]
+ // warn_icon,
+ #[cfg(feature = "denm")]
+ sv_insert,
+ #[cfg(feature = "denm")]
+ ev_insert,
+ #[cfg(feature = "denm")]
+ rww_insert,
}
}
pub fn update(&mut self, state: ScreenState) -> Result<(), D::Error> {
+ #[cfg(feature = "denm")]
+ let now = esp_hal::time::Instant::now();
+
+ #[cfg(feature = "denm")]
+ // when a DENM was shown before, make sure it's shown for a minimum time
+ if let ScreenState::DenmWarning(_) = self.prev_state {
+ use core::ops::Sub;
+
+ // update DENM display, if there are updates
+ if let ScreenState::DenmWarning(cause_code_choice) = &state {
+ // TODO: find a way to immediately turn off the DENM display when the DENM is over, but keep it for a certain time initially
+ self.denm_display_start_time = now;
+
+ if self.prev_state != state {
+ self.draw_denm_warning(cause_code_choice)?;
+ self.prev_state = state;
+
+ return Ok(());
+ }
+ }
+
+ // otherwise early return when timer isn't expired yet
+ if now.sub(self.denm_display_start_time) < DENM_MIN_DISPLAY_TIME {
+ return Ok(());
+ }
+ }
+
if self.prev_state != state {
match &state {
ScreenState::Uninitialized | ScreenState::Initial => self.draw_slash_screen()?,
+
#[cfg(feature = "spat")]
ScreenState::GlosaSearching(_glosa_searching) => self.draw_glosa_searching()?,
#[cfg(feature = "spat")]
@@ -136,10 +207,18 @@ where
self.draw_glosa(glosa_data, prev_glosa_data)?;
}
ScreenState::Error(msg) => self.draw_message(msg)?,
+ #[cfg(all(not(feature = "spat"), feature = "denm"))]
+ ScreenState::DenmWaiting() => self.draw_denm_waiting()?,
+ #[cfg(feature = "denm")]
+ ScreenState::DenmWarning(cause_code_choice) => {
+ self.denm_display_start_time = now;
+ self.draw_denm_warning(cause_code_choice)?;
+ }
}
}
// Update indicator/ heartbeat
+ #[cfg(feature = "spat")]
{
let update_ind_dia = 10;
let circle_x_pos =
@@ -477,6 +556,92 @@ where
Ok(())
}
+ #[cfg(all(not(feature = "spat"), feature = "denm"))]
+ fn draw_denm_waiting(&mut self) -> Result<(), D::Error> {
+ // clear whole display and draw text
+ self.clear()?;
+
+ text::Text::with_alignment(
+ "Waiting\nfor DENM...",
+ geometry::Point::new(i32::from(self.size.width) / 2, 130 + self.size.offset_top),
+ Self::DEFAULT_TEXT_STYLE,
+ text::Alignment::Center,
+ )
+ .draw(&mut self.target)?;
+
+ Ok(())
+ }
+
+ #[cfg(feature = "denm")]
+ pub fn draw_denm_warning(
+ &mut self,
+ cc: &cdd_2_2_1::etsi_its_cdd::CauseCodeChoice,
+ ) -> Result<(), D::Error> {
+ // clear whole display and draw image
+ self.clear()?;
+
+ let centerline = i32::from(self.size.width) / 2;
+ let sign_top = self.size.offset_top + 40;
+
+ // build triangle shape
+ {
+ let point1 = geometry::Point::new(centerline, sign_top);
+ let point2 = geometry::Point::new(centerline - 100, sign_top + 150);
+ let point3 = geometry::Point::new(centerline + 100, sign_top + 150);
+ let mut line_style =
+ primitives::PrimitiveStyle::with_stroke(pixelcolor::Rgb565::CSS_RED, 10);
+ line_style.fill_color = Some(pixelcolor::Rgb565::WHITE);
+
+ primitives::Triangle::new(point1, point2, point3)
+ .into_styled(line_style)
+ .draw(&mut self.target)?;
+ }
+
+ // add icon inside the triangle
+ match cc {
+ cdd_2_2_1::etsi_its_cdd::CauseCodeChoice::slowVehicle26(_)
+ | cdd_2_2_1::etsi_its_cdd::CauseCodeChoice::stationaryVehicle94(_) => {
+ embedded_graphics::image::Image::new(
+ &self.sv_insert,
+ geometry::Point::new(centerline - (80 / 2), sign_top + 90),
+ )
+ .draw(&mut self.target)?;
+ }
+
+ cdd_2_2_1::etsi_its_cdd::CauseCodeChoice::rescueAndRecoveryWorkInProgress15(_)
+ | cdd_2_2_1::etsi_its_cdd::CauseCodeChoice::emergencyVehicleApproaching95(_) => {
+ embedded_graphics::image::Image::new(
+ &self.ev_insert,
+ geometry::Point::new(centerline - (70 / 2), sign_top + 85),
+ )
+ .draw(&mut self.target)?;
+ }
+
+ cdd_2_2_1::etsi_its_cdd::CauseCodeChoice::roadworks3(_) => {
+ embedded_graphics::image::Image::new(
+ &self.rww_insert,
+ geometry::Point::new(centerline - (80 / 2), sign_top + 85),
+ )
+ .draw(&mut self.target)?;
+ }
+ _ => {}
+ }
+
+ let (cc, scc) = cc.to_u8_tuple();
+ text::Text::with_alignment(
+ &alloc::format!("DENM CC {cc}/{scc}"),
+ geometry::Point::new(
+ i32::from(self.size.width) / 2,
+ sign_top + 150 + (10 / 2) + 30,
+ ),
+ Self::MID_TEXT_STYLE,
+ text::Alignment::Center,
+ )
+ .draw(&mut self.target)?;
+
+ Ok(())
+ }
+
#[allow(unused)]
fn draw_slash_screen(&mut self) -> Result<(), D::Error> {
self.clear_all()?;