Cargo.lock

@@ -1702,8 +1702,7 @@ checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 [[package]]
 name = "i2c-character-display"
 version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86a620ec16541e28c0e52ce21cd23d734a5d7efaae3d609b2a58694b0ef67739"
+source = "git+https://github.com/ede1998/i2c-character-display.git?rev=57aef1f49da183c120b8e995ef77549e3515d3c6#57aef1f49da183c120b8e995ef77549e3515d3c6"
 dependencies = [
  "bitfield 0.17.0",
  "embedded-hal 1.0.0",

Cargo.toml

@@ -52,6 +52,7 @@ ch1115 = { version = "0.1.2", features = ["graphics"] }
 
 [patch.crates-io]
 ch1115 = { git = "https://github.com/ede1998/ch1115.git", rev = "2d3a3ba38050efe012e6a210afe3e125ec280c37" }
+i2c-character-display = { git = "https://github.com/ede1998/i2c-character-display.git", rev = "57aef1f49da183c120b8e995ef77549e3515d3c6" }
 
 # For fine tuning these settings, please refer to https://doc.rust-lang.org/cargo/reference/profiles.html
 [profile.dev]

src/bin/main.rs

@@ -7,14 +7,16 @@
 )]
 #![deny(clippy::large_stack_frames)]
 
-use alloc::boxed::Box;
 use creaturedex::card::decoder::split_nfc_hex;
 use creaturedex::card::model::Card;
-use creaturedex::display::shared_bus::{DualSecondaryDisplay, init_dual_displays};
-use creaturedex::display::tertiary_lcd::{init_tertiary_lcd, write_wrapped};
+use creaturedex::drivers::i2c_bus::I2cBusPinConfiguration;
 use creaturedex::drivers::nfc_pn532::NfcPn532Driver;
+use creaturedex::drivers::secondary_oled::SecondaryDisplay;
+use creaturedex::drivers::spi_bus;
+use creaturedex::drivers::tertiary_lcd::{TertiaryDisplay, init_tertiary_lcd, write_wrapped};
 use creaturedex::navigation::inputs::Inputs;
 use creaturedex::navigation::navigation::{self, CARD_DATA};
+use creaturedex::navigation::outputs::Outputs;
 use creaturedex::network::wifi::setup_wifi;
 use embassy_executor::Spawner;
 use embassy_time::Instant;
@@ -25,11 +27,10 @@ use embedded_graphics::{
     text::Text,
 };
 use embedded_hal_bus::i2c::AtomicDevice;
-use embedded_hal_bus::util::AtomicCell;
 use esp_hal::Blocking;
 use esp_hal::clock::CpuClock;
-use esp_hal::gpio::{Input, InputConfig, Level, Output, OutputConfig, Pull};
-use esp_hal::i2c::master::{Config as I2cConfig, I2c};
+use esp_hal::gpio::{Input, InputConfig, Pull};
+use esp_hal::i2c::master::I2c;
 use esp_hal::timer::timg::TimerGroup;
 use log::error;
 
@@ -65,46 +66,35 @@ async fn main(spawner: Spawner) {
     let timg0 = TimerGroup::new(peripherals.TIMG0);
     esp_rtos::start(timg0.timer0, sw_interrupt.software_interrupt0);
 
-    let (display, oled) = Box::leak(Box::new(init_dual_displays(
-        peripherals.SPI2,
-        peripherals.GPIO36, // sck
-        peripherals.GPIO35, // mosi
-        peripherals.GPIO37, // miso
-        peripherals.GPIO11, // primary cs
-        peripherals.GPIO13, // oled cs
-        peripherals.GPIO10, // primary reset
-        peripherals.GPIO47, // secondary reset
-        peripherals.GPIO12, // shared dc
-    )));
+    let (primary, mut secondaries) = spi_bus::DisplayPinConfiguration {
+        spi_peripheral: peripherals.SPI2,
+        sck: peripherals.GPIO36,
+        mosi: peripherals.GPIO35,
+        miso: peripherals.GPIO37,
+        cs_primary: peripherals.GPIO11,
+        cs_secondary_1: peripherals.GPIO13,
+        cs_secondary_2: peripherals.GPIO14,
+        cs_secondary_3: peripherals.GPIO21,
+        reset_primary: peripherals.GPIO10,
+        reset_secondary: peripherals.GPIO47,
+        dc_pin: peripherals.GPIO12,
+    }
+    .build();
 
-    let _secondary_oled_cs_2 = Output::new(
-        peripherals.GPIO14,
-        Level::High,
-        OutputConfig::default(),
-    );
-    let _secondary_oled_cs_3 = Output::new(
-        peripherals.GPIO21,
-        Level::High,
-        OutputConfig::default(),
-    );
-
-    let config = I2cConfig::default().with_frequency(esp_hal::time::Rate::from_khz(400));
-    let i2c = match I2c::new(peripherals.I2C0, config) {
-        Ok(bus) => bus
-            .with_sda(peripherals.GPIO17)
-            .with_scl(peripherals.GPIO18),
-        Err(e) => {
-            log::error!("Shared I2C bus initialization failed for GPIO17/GPIO18: {e:?}");
-            panic!("Shared I2C bus initialization failed");
-        }
+    // Initialize the shared I2C bus using the refactored i2c_bus module.
+    let shared_i2c = {
+        let config = I2cBusPinConfiguration {
+            i2c_peripheral: peripherals.I2C0,
+            scl: peripherals.GPIO18,
+            sda: peripherals.GPIO17,
+        };
+        config.build()
     };
-    let shared_i2c = Box::leak(Box::new(AtomicCell::new(i2c)));
-    log::info!("Shared I2C bus ready on GPIO17 (SDA) and GPIO18 (SCL)");
 
-    let mut lcd = init_tertiary_lcd(AtomicDevice::new(shared_i2c));
-    if let Err(_) = write_wrapped(&mut lcd, "Testing more than 16 chars what happens now?") {
+    let mut lcd: TertiaryDisplay = init_tertiary_lcd(AtomicDevice::new(shared_i2c));
+    if let Err(e) = write_wrapped(&mut lcd, "Testing more than 16 chars what happens now?") {
         log::error!(
-            "Tertiary LCD startup text write failed over shared I2C bus; check the shared bus, wiring, and device responses"
+            "Tertiary LCD startup text write failed over shared I2C bus; check the shared bus, wiring, and device responses: {e}"
         );
     }
 
@@ -127,14 +117,32 @@ async fn main(spawner: Spawner) {
         ok: Input::new(peripherals.GPIO0, button_config),
     };
 
-    display_shit(oled);
+    display_shit(&mut secondaries[0], "foo 1");
+    display_shit(&mut secondaries[1], "bar 1");
+    display_shit(&mut secondaries[2], "baz 1");
+
+    let outputs = {
+        let [sec_1, sec_2, sec_3] = secondaries;
+        Outputs {
+            primary_display: primary,
+            secondary_display_1: sec_1,
+            secondary_display_2: sec_2,
+            secondary_display_3: sec_3,
+            tertiary_display: lcd,
+            _led_a: (),
+        }
+    };
 
     log::info!("Setup complete, entering main loop");
-    spawner.spawn(navigation::run(inputs, display).expect("run task failed"));
+    spawner.spawn(navigation::run(inputs, outputs).expect("run task failed"));
     spawner.spawn(nfc_driver_task(nfc_driver).expect("nfc driver task failed"));
 }
 
 #[embassy_executor::task]
+#[allow(
+    clippy::large_stack_frames,
+    reason = "ignoring this for now because it still works"
+)]
 async fn nfc_driver_task(
     mut nfc_driver: NfcPn532Driver<AtomicDevice<'static, I2c<'static, Blocking>>>,
 ) {
@@ -167,11 +175,11 @@ async fn nfc_driver_task(
     }
 }
 
-fn display_shit(oled: &mut DualSecondaryDisplay<'static>) {
+fn display_shit(oled: &mut SecondaryDisplay<'static>, text: &str) {
     oled.clear().unwrap();
 
     let text_style = MonoTextStyle::new(&FONT_6X10, BinaryColor::On);
-    Text::new("Hello OLED", Point::new(10, 20), text_style)
+    Text::new(text, Point::new(10, 20), text_style)
         .draw(oled)
         .unwrap();
     oled.flush().unwrap();

src/card/model.rs

@@ -48,9 +48,9 @@ impl Display for CardType {
 }
 
 pub type PrimaryColor = Rgb565;
-impl Into<PrimaryColor> for CardType {
-    fn into(self) -> PrimaryColor {
-        match self {
+impl From<CardType> for PrimaryColor {
+    fn from(val: CardType) -> Self {
+        match val {
             CardType::Default => Rgb888::new(0xD8, 0x68, 0x30).into(),
             CardType::Blueprint => Rgb888::new(0x6D, 0x81, 0xFF).into(),
             CardType::CYBER => Rgb888::new(0xFF, 0xFF, 0x04).into(),
@@ -64,9 +64,9 @@ impl Into<PrimaryColor> for CardType {
 }
 
 pub type Palette = [Rgb565; 16];
-impl Into<Palette> for CardType {
-    fn into(self) -> Palette {
-        match self {
+impl From<CardType> for Palette {
+    fn from(val: CardType) -> Self {
+        match val {
             CardType::Default => [
                 Rgb888::new(31, 23, 35).into(),
                 Rgb888::new(60, 47, 82).into(),

src/display.rs

@@ -1,5 +1 @@
-pub mod primary_lcd;
-pub mod secondary_oled;
-pub mod shared_bus;
 pub mod sprite;
-pub mod tertiary_lcd;

src/display/primary_lcd.rs

@@ -1,43 +0,0 @@
-use display_interface_spi::SPIInterface;
-use embedded_graphics::draw_target::DrawTarget;
-use embedded_graphics::pixelcolor::Rgb565;
-use embedded_graphics::prelude::RgbColor;
-use embedded_hal::digital::OutputPin as EhOutputPin;
-use embedded_hal_bus::spi::AtomicDevice;
-use embedded_hal_bus::util::AtomicCell;
-use esp_hal::delay::Delay;
-use esp_hal::gpio::{Level, Output, OutputConfig, OutputPin};
-use ili9341::{DisplaySize240x320, Ili9341, Orientation};
-
-pub type PrimaryLcdDisplay<'a, BUS, DC, RES> =
-    Ili9341<SPIInterface<AtomicDevice<'a, BUS, Output<'a>, Delay>, DC>, RES>;
-
-pub fn init_primary_lcd_on_bus<'a, BUS, CS, RES, DC>(
-    spi_bus: &'a AtomicCell<BUS>,
-    cs: CS,
-    reset: RES,
-    dc: DC,
-    delay: &mut Delay,
-) -> PrimaryLcdDisplay<'a, BUS, DC, RES>
-where
-    BUS: embedded_hal::spi::SpiBus,
-    CS: OutputPin + 'static,
-    RES: EhOutputPin,
-    DC: EhOutputPin,
-{
-    let cs_pin = Output::new(cs, Level::High, OutputConfig::default());
-    let spi_dev = AtomicDevice::new(spi_bus, cs_pin, *delay).unwrap();
-    let iface = SPIInterface::new(spi_dev, dc);
-
-    let mut display = Ili9341::new(
-        iface,
-        reset,
-        delay,
-        Orientation::Portrait,
-        DisplaySize240x320,
-    )
-    .unwrap();
-
-    display.clear(Rgb565::BLACK).unwrap();
-    display
-}

src/display/secondary_oled.rs

@@ -1,34 +0,0 @@
-use ch1115::{Ch1115, Size128x64};
-use display_interface_spi::SPIInterface;
-use embedded_hal::digital::OutputPin as EhOutputPin;
-use embedded_hal_bus::spi::AtomicDevice;
-use embedded_hal_bus::util::AtomicCell;
-use esp_hal::delay::Delay;
-use esp_hal::gpio::{Level, Output, OutputConfig, OutputPin};
-
-pub type SecondaryOledDisplay<'a, BUS, RST, DC> =
-    Ch1115<SPIInterface<AtomicDevice<'a, BUS, Output<'a>, Delay>, DC>, RST, Size128x64>;
-
-pub fn init_secondary_oled_on_bus<'a, BUS, CS, RES, DC>(
-    spi_bus: &'a AtomicCell<BUS>,
-    cs: CS,
-    res: RES,
-    dc: DC,
-    delay: &mut Delay,
-) -> SecondaryOledDisplay<'a, BUS, RES, DC>
-where
-    BUS: embedded_hal::spi::SpiBus,
-    CS: OutputPin + 'static,
-    RES: EhOutputPin,
-    DC: EhOutputPin,
-{
-    let cs_pin = Output::new(cs, Level::High, OutputConfig::default());
-    let spi_dev = AtomicDevice::new(spi_bus, cs_pin, *delay).unwrap();
-    let interface = SPIInterface::new(spi_dev, dc);
-
-    let mut display = Ch1115::new(interface, res, Size128x64);
-
-    display.init(&mut Delay::new()).unwrap();
-
-    display
-}

src/display/shared_bus.rs

@@ -1,113 +0,0 @@
-use alloc::boxed::Box;
-use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
-use embedded_hal::digital::ErrorType;
-use embedded_hal::digital::OutputPin as EhOutputPin;
-use embedded_hal_bus::util::AtomicCell;
-use esp_hal::delay::Delay;
-use esp_hal::gpio::interconnect::{PeripheralInput, PeripheralOutput};
-use esp_hal::gpio::{Level, Output, OutputConfig, OutputPin};
-use esp_hal::spi::Mode;
-use esp_hal::spi::master::{Config as SpiConfig, Spi};
-use esp_hal::time::Rate;
-
-use crate::display::secondary_oled::{SecondaryOledDisplay, init_secondary_oled_on_bus};
-use crate::display::primary_lcd::{PrimaryLcdDisplay, init_primary_lcd_on_bus};
-
-use core::cell::RefCell;
-use embassy_sync::blocking_mutex::Mutex as BlockingMutex;
-
-#[derive(Clone)]
-pub struct SharedPin<'a, P> {
-    mutex: &'a BlockingMutex<CriticalSectionRawMutex, RefCell<P>>,
-}
-
-impl<'a, P> SharedPin<'a, P> {
-    pub fn new(mutex: &'a BlockingMutex<CriticalSectionRawMutex, RefCell<P>>) -> Self {
-        Self { mutex }
-    }
-
-    pub fn pre_wrap(pin: P) -> &'static BlockingMutex<CriticalSectionRawMutex, RefCell<P>> {
-        let mutexed = BlockingMutex::new(RefCell::new(pin));
-        Box::leak(Box::new(mutexed))
-    }
-}
-
-impl<'a, P: EhOutputPin> ErrorType for SharedPin<'a, P> {
-    type Error = P::Error;
-}
-
-impl<'a, P: EhOutputPin> EhOutputPin for SharedPin<'a, P> {
-    fn set_low(&mut self) -> Result<(), Self::Error> {
-        self.mutex.lock(|p| p.borrow_mut().set_low())
-    }
-
-    fn set_high(&mut self) -> Result<(), Self::Error> {
-        self.mutex.lock(|p| p.borrow_mut().set_high())
-    }
-}
-
-pub type DisplaySpiBus = Spi<'static, esp_hal::Blocking>;
-pub type DualPrimaryDisplay<'a> =
-    PrimaryLcdDisplay<'a, DisplaySpiBus, SharedPin<'a, Output<'a>>, SharedPin<'a, Output<'a>>>;
-pub type DualSecondaryDisplay<'a> =
-    SecondaryOledDisplay<'a, DisplaySpiBus, SharedPin<'a, Output<'a>>, SharedPin<'a, Output<'a>>>;
-
-pub fn init_dual_displays<SPI, SCK, MOSI, MISO, CS1, CS2, RES1, RES2, DC>(
-    spi_peripheral: SPI,
-    sck: SCK,
-    mosi: MOSI,
-    miso: MISO,
-    cs_primary: CS1,
-    cs_secondary: CS2,
-    reset_primary: RES1,
-    reset_secondary: RES2,
-    dc_pin: DC,
-) -> (DualPrimaryDisplay<'static>, DualSecondaryDisplay<'static>)
-where
-    SPI: esp_hal::spi::master::Instance + 'static,
-    SCK: PeripheralOutput<'static>,
-    MOSI: PeripheralOutput<'static>,
-    MISO: PeripheralInput<'static>,
-    CS1: OutputPin + 'static,
-    CS2: OutputPin + 'static,
-    RES1: OutputPin + 'static,
-    RES2: OutputPin + 'static,
-    DC: OutputPin + 'static,
-{
-    let spi = Spi::new(
-        spi_peripheral,
-        SpiConfig::default()
-            .with_frequency(Rate::from_khz(20_000))
-            .with_mode(Mode::_0),
-    )
-    .unwrap()
-    .with_sck(sck)
-    .with_mosi(mosi)
-    .with_miso(miso);
-
-    let bus_static: &'static AtomicCell<_> = Box::leak(Box::new(AtomicCell::new(spi)));
-    let reset_primary_static =
-        SharedPin::pre_wrap(Output::new(reset_primary, Level::High, OutputConfig::default()));
-    let reset_secondary_static =
-        SharedPin::pre_wrap(Output::new(reset_secondary, Level::High, OutputConfig::default()));
-    let dc_static = SharedPin::pre_wrap(Output::new(dc_pin, Level::High, OutputConfig::default()));
-    let mut delay = Delay::new();
-
-    let primary = init_primary_lcd_on_bus(
-        bus_static,
-        cs_primary,
-        SharedPin::new(reset_primary_static),
-        SharedPin::new(dc_static),
-        &mut delay,
-    );
-
-    let secondary = init_secondary_oled_on_bus(
-        bus_static,
-        cs_secondary,
-        SharedPin::new(reset_secondary_static),
-        SharedPin::new(dc_static),
-        &mut delay,
-    );
-
-    (primary, secondary)
-}

src/display/sprite.rs

@@ -47,10 +47,7 @@ where
             let width = u32::try_from(end_x - start_x).unwrap();
             let height = u32::try_from(end_y - start_y).unwrap();
 
-            let area = Rectangle::new(
-                Point::new(start_x.try_into().unwrap(), start_y.try_into().unwrap()),
-                Size::new(width, height),
-            );
+            let area = Rectangle::new(Point::new(start_x, start_y), Size::new(width, height));
 
             let _ = ili9341.fill_solid(&area, color);
         }

src/drivers.rs

@@ -1 +1,6 @@
+pub mod i2c_bus;
 pub mod nfc_pn532;
+pub mod primary_lcd;
+pub mod secondary_oled;
+pub mod spi_bus;
+pub mod tertiary_lcd;

src/drivers/i2c_bus.rs

@@ -0,0 +1,36 @@
+use alloc::boxed::Box;
+use embedded_hal_bus::util::AtomicCell;
+use esp_hal::gpio::interconnect::PeripheralInput;
+use esp_hal::i2c::master::Config;
+use esp_hal::{gpio::interconnect::PeripheralOutput, i2c::master::I2c};
+
+type InnerI2cBus = esp_hal::i2c::master::I2c<'static, esp_hal::Blocking>;
+pub type I2cBus = &'static AtomicCell<InnerI2cBus>;
+
+pub struct I2cBusPinConfiguration<I2C, SCL, SDA> {
+    pub i2c_peripheral: I2C,
+    pub scl: SCL,
+    pub sda: SDA,
+}
+
+impl<I2C, SCL, SDA> I2cBusPinConfiguration<I2C, SCL, SDA>
+where
+    I2C: esp_hal::i2c::master::Instance + 'static,
+    SCL: PeripheralOutput<'static> + PeripheralInput<'static>,
+    SDA: PeripheralOutput<'static> + PeripheralInput<'static>,
+{
+    pub fn build(self) -> I2cBus {
+        let config = Config::default().with_frequency(esp_hal::time::Rate::from_khz(400));
+        let i2c = match I2c::new(self.i2c_peripheral, config) {
+            Ok(bus) => bus.with_sda(self.sda).with_scl(self.scl),
+            Err(e) => {
+                log::error!("Shared I2C bus initialization failed for GPIO17/GPIO18: {e:?}");
+                panic!("Shared I2C bus initialization failed");
+            }
+        };
+        let shared_i2c = Box::leak(Box::new(AtomicCell::new(i2c)));
+        log::info!("Shared I2C bus ready on GPIO17 (SDA) and GPIO18 (SCL)");
+
+        shared_i2c
+    }
+}

src/drivers/nfc_pn532.rs

@@ -1,4 +1,5 @@
 use alloc::vec::Vec;
+use core::error::Error;
 use embedded_hal::i2c::I2c;
 use log::{error, info};
 use pn532::i2c::I2CInterface;
@@ -8,6 +9,7 @@ use pn532::{Pn532, Request};
 pub type Pn532Device<I2C> = Pn532<I2CInterface<I2C>, (), 34>;
 
 pub const PAGES_PER_READ: usize = 4;
+pub const BYTES_PER_READ: usize = PAGES_PER_READ * 4;
 
 /// PN532 NFC reader driver.
 pub struct NfcPn532Driver<I2C>
@@ -17,6 +19,35 @@ where
     pn532: Pn532Device<I2C>,
 }
 
+#[derive(Debug, Clone)]
+struct PageParseError<const N: usize> {
+    iteration: u8,
+    bytes: [u8; N],
+    status_code: Option<u8>,
+}
+
+impl<const N: usize> Error for PageParseError<N> {}
+
+impl<const N: usize> core::fmt::Display for PageParseError<N> {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        let PageParseError {
+            iteration,
+            bytes,
+            status_code,
+        } = self;
+        match status_code {
+            Some(code) => write!(
+                f,
+                "NFC pages parse error in iteration {iteration} with error code 0x{code:02x}: {bytes:02x?}"
+            ),
+            None => write!(
+                f,
+                "No data available for NFC page in iteration {iteration}: {bytes:02x?}"
+            ),
+        }
+    }
+}
+
 impl<I2C> NfcPn532Driver<I2C>
 where
     I2C: I2c,
@@ -57,16 +88,21 @@ where
         }
     }
 
-    pub fn parse_nfc_page(iteration: u8, bytes: &[u8]) -> Result<[u8; PAGES_PER_READ * 4], ()> {
-        let success = bytes.first().is_some_and(|x| *x == 0);
-        if success {
-            let slice_len = bytes.len().min(PAGES_PER_READ * 4 + 1);
-            let mut arr = [0; PAGES_PER_READ * 4];
-            arr[..slice_len - 1].copy_from_slice(&bytes[1..slice_len]);
-            Ok(arr)
-        } else {
-            info!("err  {iteration}: {:02x?}", bytes);
-            Err(())
+    fn parse_nfc_page(
+        iteration: u8,
+        bytes: &[u8],
+    ) -> Result<[u8; BYTES_PER_READ], PageParseError<BYTES_PER_READ>> {
+        let slice_len = bytes.len().min(BYTES_PER_READ + 1);
+        let mut arr = [0; BYTES_PER_READ];
+        arr[..slice_len - 1].copy_from_slice(&bytes[1..slice_len]);
+
+        match bytes.first() {
+            Some(0x00) => Ok(arr),
+            error => Err(PageParseError {
+                iteration,
+                bytes: arr,
+                status_code: error.copied(),
+            }),
         }
     }
 
@@ -79,18 +115,25 @@ where
         let mut data: Vec<u8> = Vec::with_capacity(858);
 
         for i in (0x0B..=230).step_by(PAGES_PER_READ) {
-            let mut parse_result = Err(());
-            while parse_result.is_err() {
-                let Ok(result) = self
+            let bytes = loop {
+                let read = self
                     .pn532
-                    .process_async(&Request::ntag_read(i), PAGES_PER_READ * 4 + 1)
-                    .await
-                else {
-                    continue;
+                    .process_async(&Request::ntag_read(i), BYTES_PER_READ + 1)
+                    .await;
+
+                let bytes = match read {
+                    Ok(bytes) => bytes,
+                    Err(e) => {
+                        error!("Reading page {i} failed: {e:?}");
+                        continue;
+                    }
                 };
-                parse_result = Self::parse_nfc_page(i, result);
-            }
-            let bytes = parse_result.unwrap();
+
+                match Self::parse_nfc_page(i, bytes) {
+                    Ok(data) => break data,
+                    Err(e) => error!("Parsing page failed: {e}"),
+                }
+            };
             let bytes = if i == 0x0B { &bytes[1..] } else { &bytes };
             data.extend(bytes);
         }

src/drivers/primary_lcd.rs

@@ -0,0 +1,42 @@
+use display_interface_spi::SPIInterface;
+use embedded_graphics::draw_target::DrawTarget;
+use embedded_graphics::pixelcolor::Rgb565;
+use embedded_graphics::prelude::RgbColor;
+use embedded_hal_bus::spi::AtomicDevice;
+use embedded_hal_bus::util::AtomicCell;
+use esp_hal::delay::Delay;
+use esp_hal::gpio::Output;
+use ili9341::{DisplaySize240x320, Ili9341, Orientation};
+
+use crate::drivers::spi_bus::{DisplaySpiBus, SharedOutput};
+
+type GenericPrimaryDisplay<'a, BUS, DC, RES> =
+    Ili9341<SPIInterface<AtomicDevice<'a, BUS, Output<'a>, Delay>, DC>, RES>;
+pub type PrimaryDisplay<'a> =
+    GenericPrimaryDisplay<'a, DisplaySpiBus, SharedOutput<'a>, Output<'a>>;
+
+pub struct PrimaryDisplayPinConfiguration<'a> {
+    pub spi_bus: &'a AtomicCell<DisplaySpiBus>,
+    pub cs: Output<'a>,
+    pub reset: Output<'a>,
+    pub dc: SharedOutput<'a>,
+}
+
+impl<'a> PrimaryDisplayPinConfiguration<'a> {
+    pub fn build(self) -> PrimaryDisplay<'a> {
+        let spi_dev = AtomicDevice::new(self.spi_bus, self.cs, Delay::new()).unwrap();
+        let iface = SPIInterface::new(spi_dev, self.dc);
+
+        let mut display = Ili9341::new(
+            iface,
+            self.reset,
+            &mut Delay::new(),
+            Orientation::Portrait,
+            DisplaySize240x320,
+        )
+        .unwrap();
+
+        display.clear(Rgb565::BLACK).unwrap();
+        display
+    }
+}

src/drivers/secondary_oled.rs

@@ -0,0 +1,59 @@
+use alloc::format;
+use ch1115::{Ch1115, Size128x64};
+use display_interface_spi::SPIInterface;
+use embedded_hal_bus::spi::AtomicDevice;
+use embedded_hal_bus::util::AtomicCell;
+use esp_hal::delay::Delay;
+use esp_hal::gpio::Output;
+
+use crate::drivers::spi_bus::{DisplaySpiBus, SharedOutput, SharedReset};
+
+pub type GenericSecondaryDisplay<'a, BUS, RST, DC> =
+    Ch1115<SPIInterface<AtomicDevice<'a, BUS, Output<'a>, Delay>, DC>, RST, Size128x64>;
+pub type SecondaryDisplay<'a> =
+    GenericSecondaryDisplay<'a, DisplaySpiBus, SharedReset<'a>, SharedOutput<'a>>;
+
+pub struct SecondaryDisplayPinConfiguration<'a> {
+    pub spi_bus: &'a AtomicCell<DisplaySpiBus>,
+    pub cs_pins: [Output<'a>; 3],
+    pub res: SharedReset<'a>,
+    pub dc: SharedOutput<'a>,
+}
+
+impl<'a> SecondaryDisplayPinConfiguration<'a> {
+    pub fn build(self) -> [SecondaryDisplay<'a>; 3] {
+        let mut displays = self.cs_pins.map(|cs| {
+            let spi_dev = AtomicDevice::new(self.spi_bus, cs, Delay::new()).unwrap();
+            let interface = SPIInterface::new(spi_dev, self.dc.clone());
+
+            Ch1115::new(interface, self.res.clone(), Size128x64)
+        });
+
+        init_single_reset(&mut displays, self.res);
+
+        displays
+    }
+}
+
+fn init_single_reset<'a: 'b, 'b>(
+    displays: impl IntoIterator<Item = &'b mut SecondaryDisplay<'a>>,
+    shared_reset: SharedReset<'a>,
+) {
+    let mut displays = displays.into_iter().peekable();
+
+    // Reset all secondaries via shared reset
+    let Some(any_display) = displays.peek_mut() else {
+        // no display to initialize
+        return;
+    };
+    any_display.hard_reset(&mut Delay::new()).unwrap();
+
+    shared_reset.disable(true);
+
+    for (i, display) in displays.enumerate() {
+        display
+            .init(&mut Delay::new())
+            .map_err(|e| format!("Failed to init secondary display {}: {e:?}", i + 1))
+            .unwrap();
+    }
+}

src/drivers/spi_bus.rs

@@ -0,0 +1,187 @@
+use alloc::boxed::Box;
+use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
+use embedded_hal::digital::ErrorType;
+use embedded_hal::digital::OutputPin as EhOutputPin;
+use embedded_hal_bus::util::AtomicCell;
+use esp_hal::gpio::interconnect::{PeripheralInput, PeripheralOutput};
+use esp_hal::gpio::{Level, Output, OutputConfig, OutputPin};
+use esp_hal::spi::Mode;
+use esp_hal::spi::master::{Config as SpiConfig, Spi};
+use esp_hal::time::Rate;
+
+use crate::drivers::primary_lcd::PrimaryDisplay;
+use crate::drivers::primary_lcd::PrimaryDisplayPinConfiguration;
+use crate::drivers::secondary_oled::SecondaryDisplay;
+use crate::drivers::secondary_oled::SecondaryDisplayPinConfiguration;
+
+use core::cell::RefCell;
+use embassy_sync::blocking_mutex::Mutex as BlockingMutex;
+
+pub struct SharedPin<'a, P> {
+    mutex: &'a BlockingMutex<CriticalSectionRawMutex, RefCell<P>>,
+}
+
+impl<'a, P> Clone for SharedPin<'a, P> {
+    fn clone(&self) -> Self {
+        Self { mutex: self.mutex }
+    }
+}
+
+impl<'a, P> SharedPin<'a, P> {
+    pub fn new(pin: P) -> Self {
+        let mutexed = BlockingMutex::new(RefCell::new(pin));
+        let mutex = Box::leak(Box::new(mutexed));
+        Self { mutex }
+    }
+}
+
+impl<'a, P: EhOutputPin> ErrorType for SharedPin<'a, P> {
+    type Error = P::Error;
+}
+
+impl<'a, P: EhOutputPin> EhOutputPin for SharedPin<'a, P> {
+    fn set_low(&mut self) -> Result<(), Self::Error> {
+        self.mutex.lock(|p| p.borrow_mut().set_low())
+    }
+
+    fn set_high(&mut self) -> Result<(), Self::Error> {
+        self.mutex.lock(|p| p.borrow_mut().set_high())
+    }
+}
+
+pub struct SharedResetPin<'a, P> {
+    mutex: &'a BlockingMutex<CriticalSectionRawMutex, RefCell<(P, bool)>>,
+}
+
+impl<'a, P> SharedResetPin<'a, P> {
+    pub fn new(pin: P, disabled: bool) -> Self {
+        let mutexed = BlockingMutex::new(RefCell::new((pin, disabled)));
+        let mutex = Box::leak(Box::new(mutexed));
+        Self { mutex }
+    }
+
+    pub fn disable(&self, disabled: bool) {
+        self.mutex.lock(|p| {
+            p.borrow_mut().1 = disabled;
+        });
+        if disabled {
+            log::debug!("Reset pin disabled (masked). No more resets now.");
+        } else {
+            log::debug!("Reset pin enabled (unmasked). Reset now possible.");
+        }
+    }
+}
+
+impl<'a, P> Clone for SharedResetPin<'a, P> {
+    fn clone(&self) -> Self {
+        Self { mutex: self.mutex }
+    }
+}
+
+impl<'a, P: EhOutputPin> ErrorType for SharedResetPin<'a, P> {
+    type Error = P::Error;
+}
+
+impl<'a, P: EhOutputPin> EhOutputPin for SharedResetPin<'a, P> {
+    fn set_low(&mut self) -> Result<(), Self::Error> {
+        self.mutex.lock(|p| {
+            let mut guard = p.borrow_mut();
+            let disabled = guard.1;
+            let pin = &mut guard.0;
+            if !disabled { pin.set_low() } else { Ok(()) }
+        })
+    }
+
+    fn set_high(&mut self) -> Result<(), Self::Error> {
+        self.mutex.lock(|p| {
+            let mut guard = p.borrow_mut();
+            let disabled = guard.1;
+            let pin = &mut guard.0;
+            if !disabled { pin.set_high() } else { Ok(()) }
+        })
+    }
+}
+
+pub type SharedOutput<'a> = SharedPin<'a, Output<'a>>;
+pub type SharedReset<'a> = SharedResetPin<'a, Output<'a>>;
+pub type DisplaySpiBus = Spi<'static, esp_hal::Blocking>;
+
+pub struct DisplayPinConfiguration<SPI, SCK, MOSI, MISO, CS0, CS1, CS2, CS3, RES1, RES2, DC> {
+    pub spi_peripheral: SPI,
+    pub sck: SCK,
+    pub mosi: MOSI,
+    pub miso: MISO,
+    pub cs_primary: CS0,
+    pub cs_secondary_1: CS1,
+    pub cs_secondary_2: CS2,
+    pub cs_secondary_3: CS3,
+    pub reset_primary: RES1,
+    pub reset_secondary: RES2,
+    pub dc_pin: DC,
+}
+
+impl<SPI, SCK, MOSI, MISO, CS0, CS1, CS2, CS3, RES1, RES2, DC>
+    DisplayPinConfiguration<SPI, SCK, MOSI, MISO, CS0, CS1, CS2, CS3, RES1, RES2, DC>
+where
+    SPI: esp_hal::spi::master::Instance + 'static,
+    SCK: PeripheralOutput<'static>,
+    MOSI: PeripheralOutput<'static>,
+    MISO: PeripheralInput<'static>,
+    CS0: OutputPin + 'static,
+    CS1: OutputPin + 'static,
+    CS2: OutputPin + 'static,
+    CS3: OutputPin + 'static,
+    RES1: OutputPin + 'static,
+    RES2: OutputPin + 'static,
+    DC: OutputPin + 'static,
+{
+    pub fn build(self) -> (PrimaryDisplay<'static>, [SecondaryDisplay<'static>; 3]) {
+        let spi = Spi::new(
+            self.spi_peripheral,
+            SpiConfig::default()
+                .with_frequency(Rate::from_khz(20_000))
+                .with_mode(Mode::_0),
+        )
+        .unwrap()
+        .with_sck(self.sck)
+        .with_mosi(self.mosi)
+        .with_miso(self.miso);
+
+        let bus_static: &'static AtomicCell<_> = Box::leak(Box::new(AtomicCell::new(spi)));
+        let reset_secondary = SharedResetPin::new(
+            Output::new(self.reset_secondary, Level::High, OutputConfig::default()),
+            false,
+        );
+        let dc = SharedPin::new(Output::new(
+            self.dc_pin,
+            Level::High,
+            OutputConfig::default(),
+        ));
+
+        let primary = PrimaryDisplayPinConfiguration {
+            spi_bus: bus_static,
+            cs: low_active(self.cs_primary),
+            reset: low_active(self.reset_primary),
+            dc: dc.clone(),
+        }
+        .build();
+
+        let secondaries = SecondaryDisplayPinConfiguration {
+            spi_bus: bus_static,
+            cs_pins: [
+                low_active(self.cs_secondary_1),
+                low_active(self.cs_secondary_2),
+                low_active(self.cs_secondary_3),
+            ],
+            res: reset_secondary,
+            dc,
+        }
+        .build();
+
+        (primary, secondaries)
+    }
+}
+
+fn low_active<'a, CS: OutputPin + 'a>(pin: CS) -> Output<'a> {
+    Output::new(pin, Level::High, OutputConfig::default())
+}

src/drivers/tertiary_lcd.rs

@@ -1,11 +1,14 @@
 use embedded_hal::i2c::I2c;
+use embedded_hal_bus::i2c::AtomicDevice;
 use esp_hal::delay::Delay;
 use i2c_character_display::{CharacterDisplayPCF8574T, LcdDisplayType};
 use log::error;
 
-pub type TertiaryLcd<I2C> = CharacterDisplayPCF8574T<I2C, Delay>;
+type GenericTertiaryDisplay<I2C> = CharacterDisplayPCF8574T<I2C, Delay>;
+pub type TertiaryDisplay<'a> =
+    GenericTertiaryDisplay<AtomicDevice<'a, esp_hal::i2c::master::I2c<'a, esp_hal::Blocking>>>;
 
-pub fn init_tertiary_lcd<I2C>(i2c: I2C) -> TertiaryLcd<I2C>
+pub fn init_tertiary_lcd<I2C>(i2c: I2C) -> GenericTertiaryDisplay<I2C>
 where
     I2C: I2c,
 {
@@ -25,7 +28,7 @@ where
 }
 
 pub fn write_line<I2C>(
-    lcd: &mut TertiaryLcd<I2C>,
+    lcd: &mut GenericTertiaryDisplay<I2C>,
     line: u8,
     text: &str,
 ) -> Result<(), i2c_character_display::CharacterDisplayError<I2C>>
@@ -47,7 +50,7 @@ where
 }
 
 pub fn write_wrapped<I2C>(
-    lcd: &mut TertiaryLcd<I2C>,
+    lcd: &mut GenericTertiaryDisplay<I2C>,
     text: &str,
 ) -> Result<(), i2c_character_display::CharacterDisplayError<I2C>>
 where

src/navigation.rs

@@ -1,3 +1,4 @@
 pub mod inputs;
 pub mod navigation;
+pub mod outputs;
 pub mod state;

src/navigation/navigation.rs

@@ -1,15 +1,13 @@
 use crate::card::model::Card;
-use crate::display::shared_bus::DualPrimaryDisplay;
 use crate::navigation::inputs::ButtonAction;
 use crate::navigation::inputs::Inputs;
+use crate::navigation::outputs::Outputs;
 use crate::navigation::state::NavigationState;
 use crate::views::view::View;
 
 use embassy_futures::select::{Either, select};
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_time::{Duration, Timer};
-use embedded_graphics::draw_target::DrawTarget;
-use embedded_graphics::pixelcolor::Rgb565;
 
 pub type Mutex<T> = embassy_sync::mutex::Mutex<CriticalSectionRawMutex, T>;
 pub type Signal<T> = embassy_sync::signal::Signal<CriticalSectionRawMutex, T>;
@@ -29,19 +27,16 @@ pub struct NewState {
 }
 
 pub trait Navigable {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565> + Send,
-        D::Error: core::fmt::Debug;
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send;
     fn handle_input(&self, input: Action) -> impl core::future::Future<Output = NewState> + Send;
 }
 
 #[embassy_executor::task]
-pub async fn run(mut inputs: Inputs, display: &'static mut DualPrimaryDisplay<'static>) {
+pub async fn run(mut inputs: Inputs, mut outputs: Outputs) {
     log::info!("starting navigation");
 
     let mut state = NavigationState::new();
-    state.screens.last().unwrap().display(display).await;
+    state.screens.last().unwrap().display(&mut outputs).await;
 
     loop {
         let selection = select(
@@ -87,7 +82,7 @@ pub async fn run(mut inputs: Inputs, display: &'static mut DualPrimaryDisplay<'s
         state.screens.push(new_state.view);
 
         if action != Action::Timer || new_state.redraw {
-            state.screens.last().unwrap().display(display).await;
+            state.screens.last().unwrap().display(&mut outputs).await;
         }
 
         Timer::after(Duration::from_millis(DEBOUNCE_DURATION_MILLIS)).await;

src/navigation/outputs.rs

@@ -0,0 +1,27 @@
+use embedded_graphics::{
+    draw_target::DrawTarget as _,
+    pixelcolor::{Rgb565, RgbColor as _},
+};
+
+use crate::drivers::{
+    primary_lcd::PrimaryDisplay, secondary_oled::SecondaryDisplay, tertiary_lcd::TertiaryDisplay,
+};
+
+pub struct Outputs {
+    pub primary_display: PrimaryDisplay<'static>,
+    pub secondary_display_1: SecondaryDisplay<'static>,
+    pub secondary_display_2: SecondaryDisplay<'static>,
+    pub secondary_display_3: SecondaryDisplay<'static>,
+    pub tertiary_display: TertiaryDisplay<'static>,
+    pub _led_a: (),
+}
+
+impl Outputs {
+    pub fn clear_screens(&mut self) {
+        self.primary_display.clear(Rgb565::BLACK).unwrap();
+        self.secondary_display_1.clear().unwrap();
+        // self.secondary_display_2.clear().unwrap();
+        // self.secondary_display_3.clear().unwrap();
+        self.tertiary_display.clear().unwrap();
+    }
+}

src/navigation/state.rs

@@ -24,16 +24,16 @@ impl NavigationState {
         match &self.screens.len() {
             0 => {
                 log::info!("No screens to go back to");
-                return self.screens.last().unwrap();
+                self.screens.last().unwrap()
             }
             1 => {
                 log::info!("Only one screen on stack, cannot go back");
-                return self.screens.last().unwrap();
+                self.screens.last().unwrap()
             }
             _ => {
                 log::info!("Going back to previous screen");
                 self.screens.pop();
-                return self.screens.last().unwrap();
+                self.screens.last().unwrap()
             }
         }
     }

src/views/card_view.rs

@@ -1,5 +1,6 @@
 use crate::display::sprite::render_sprite_onto_ili9341;
 use crate::navigation::navigation::NewState;
+use crate::navigation::outputs::Outputs;
 use alloc::format;
 use embedded_graphics::mono_font::MonoTextStyle;
 use embedded_graphics::mono_font::ascii::FONT_6X10;
@@ -24,80 +25,77 @@ pub struct CardView {
 }
 
 impl Navigable for CardView {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565>,
-        D::Error: core::fmt::Debug,
-    {
-        display.clear(Rgb565::BLACK).unwrap();
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send {
+        async move {
+            let display = &mut outputs.primary_display;
+            display.clear(Rgb565::BLACK).unwrap();
 
-        let background = Rectangle::new(Point::new(0, 0), Size::new(240, 320));
-        let bg_color = self.card.cardtype.clone().into();
+            let background = Rectangle::new(Point::new(0, 0), Size::new(240, 320));
+            let bg_color = self.card.cardtype.clone().into();
 
-        let _ = display.fill_solid(&background, bg_color);
+            let _ = display.fill_solid(&background, bg_color);
 
-        let style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
-        Text::new(
-            &format!("Name: {}", self.card.name),
-            Point::new(20, 240),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("Type: {}", self.card.cardtype),
-            Point::new(20, 250),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("Event: {}", self.card.event),
-            Point::new(20, 260),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("UUID: {}", self.card.uuid),
-            Point::new(20, 270),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("Trait1: {}", self.card.trait1),
-            Point::new(20, 280),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("Trait2: {}", self.card.trait2),
-            Point::new(20, 290),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("Trait3: {}", self.card.trait3),
-            Point::new(20, 300),
-            style,
-        )
-        .draw(display)
-        .unwrap();
-        Text::new(
-            &format!("Secret: {}", self.card.secret),
-            Point::new(20, 310),
-            style,
-        )
-        .draw(display)
-        .unwrap();
+            let style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
+            Text::new(
+                &format!("Name: {}", self.card.name),
+                Point::new(20, 240),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("Type: {}", self.card.cardtype),
+                Point::new(20, 250),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("Event: {}", self.card.event),
+                Point::new(20, 260),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("UUID: {}", self.card.uuid),
+                Point::new(20, 270),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("Trait1: {}", self.card.trait1),
+                Point::new(20, 280),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("Trait2: {}", self.card.trait2),
+                Point::new(20, 290),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("Trait3: {}", self.card.trait3),
+                Point::new(20, 300),
+                style,
+            )
+            .draw(display)
+            .unwrap();
+            Text::new(
+                &format!("Secret: {}", self.card.secret),
+                Point::new(20, 310),
+                style,
+            )
+            .draw(display)
+            .unwrap();
 
-        let palette: Palette = self.card.cardtype.clone().into();
-        render_sprite_onto_ili9341(display, self.card.sprite.data.as_slice(), &palette);
-
-        core::future::ready(())
+            let palette: Palette = self.card.cardtype.clone().into();
+            render_sprite_onto_ili9341(display, self.card.sprite.data.as_slice(), &palette);
+        }
     }
 
     fn handle_input(&self, input: Action) -> impl core::future::Future<Output = NewState> + Send {

src/views/journal_view.rs

@@ -8,7 +8,10 @@ use embedded_graphics_core::draw_target::DrawTarget;
 
 use crate::{
     card::model::Card,
-    navigation::navigation::{Action, Navigable, NewState},
+    navigation::{
+        navigation::{Action, Navigable, NewState},
+        outputs::Outputs,
+    },
     views::view::View,
 };
 
@@ -19,14 +22,10 @@ pub struct JournalView {
 }
 
 impl Navigable for JournalView {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565>,
-        D::Error: core::fmt::Debug,
-    {
-        display.clear(Rgb565::BLACK).unwrap();
-
-        core::future::ready(())
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send {
+        async move {
+            outputs.primary_display.clear(Rgb565::BLACK).unwrap();
+        }
     }
 
     fn handle_input(&self, input: Action) -> impl core::future::Future<Output = NewState> + Send {

src/views/main_menu.rs

@@ -4,6 +4,7 @@ use crate::card::model::Card;
 use crate::card::{decoder::split_nfc_hex, mock::*};
 
 use crate::navigation::inputs::ButtonAction;
+use crate::navigation::outputs::Outputs;
 use crate::views::card_view::CardView;
 use crate::views::journal_view::JournalView;
 use crate::views::{menu_item, settings_menu::SettingsMenu, view::View};
@@ -21,11 +22,8 @@ pub struct MainMenu {
 }
 
 impl Navigable for MainMenu {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565>,
-        D::Error: core::fmt::Debug,
-    {
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send {
+        let display = &mut outputs.primary_display;
         display.clear(Rgb565::BLACK).unwrap();
 
         menu_item::show(display, "Scan card", 0, self.selected);

src/views/menu_item.rs

@@ -7,7 +7,7 @@ use embedded_graphics::prelude::Point;
 use embedded_graphics::prelude::RgbColor;
 use embedded_graphics::text::Text;
 
-pub fn show<'a, D>(display: &mut D, name: &str, position: i32, selected: i32)
+pub fn show<D>(display: &mut D, name: &str, position: i32, selected: i32)
 where
     D: DrawTarget<Color = Rgb565>,
     D::Error: core::fmt::Debug,

src/views/scan_menu.rs

@@ -1,10 +1,12 @@
 use crate::navigation::inputs::ButtonAction;
 use crate::navigation::navigation::CARD_DATA;
 use crate::navigation::navigation::NewState;
+use crate::navigation::outputs::Outputs;
 
 use alloc::format;
 use embedded_graphics::Drawable;
 use embedded_graphics::geometry::AngleUnit as _;
+use embedded_graphics::geometry::Dimensions as _;
 use embedded_graphics::geometry::Size;
 use embedded_graphics::mono_font::MonoTextStyle;
 use embedded_graphics::mono_font::ascii::FONT_10X20;
@@ -31,11 +33,8 @@ pub struct ScanMenu {
 }
 
 impl Navigable for ScanMenu {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565>,
-        D::Error: core::fmt::Debug,
-    {
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send {
+        let display = &mut outputs.primary_display;
         let style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
         display.clear(Rgb565::BLACK).unwrap();
 

src/views/settings_menu.rs

@@ -1,4 +1,5 @@
 use crate::navigation::navigation::{Action, Navigable, NewState};
+use crate::navigation::outputs::Outputs;
 use crate::views::{menu_item, view::View};
 
 use embedded_graphics::pixelcolor::Rgb565;
@@ -12,11 +13,8 @@ pub struct SettingsMenu {
 }
 
 impl Navigable for SettingsMenu {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565>,
-        D::Error: core::fmt::Debug,
-    {
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send {
+        let display = &mut outputs.primary_display;
         display.clear(Rgb565::BLACK).unwrap();
         menu_item::show(display, "System Inforation", 0, self.selected);
         menu_item::show(display, "Wifi Information", 1, self.selected);

src/views/view.rs

@@ -1,6 +1,4 @@
-use embedded_graphics::draw_target::DrawTarget;
-use embedded_graphics::pixelcolor::Rgb565;
-
+use crate::navigation::outputs::Outputs;
 use crate::views::card_view::CardView;
 use crate::views::{
     journal_view::JournalView, main_menu::MainMenu, scan_menu::ScanMenu,
@@ -19,18 +17,14 @@ pub enum View {
 }
 
 impl Navigable for View {
-    fn display<D>(&self, display: &mut D) -> impl core::future::Future<Output = ()> + Send
-    where
-        D: DrawTarget<Color = Rgb565> + Send,
-        D::Error: core::fmt::Debug,
-    {
+    fn display(&self, outputs: &mut Outputs) -> impl core::future::Future<Output = ()> + Send {
         async move {
             match self {
-                View::Main(main_menu) => main_menu.display(display).await,
-                View::Scan(scan_menu) => scan_menu.display(display).await,
-                View::Settings(settings_menu) => settings_menu.display(display).await,
-                View::Journal(journal_view) => journal_view.display(display).await,
-                View::Card(card_view) => card_view.display(display).await,
+                View::Main(main_menu) => main_menu.display(outputs).await,
+                View::Scan(scan_menu) => scan_menu.display(outputs).await,
+                View::Settings(settings_menu) => settings_menu.display(outputs).await,
+                View::Journal(journal_view) => journal_view.display(outputs).await,
+                View::Card(card_view) => card_view.display(outputs).await,
             }
         }
     }