display poc working

src/main.rs

@@ -2,10 +2,24 @@
 #![no_main]
 
 use embassy_executor::Spawner;
-use embassy_rp::{bind_interrupts, gpio, peripherals::USB, usb::Driver};
+use embassy_rp::{
+    bind_interrupts, gpio,
+    peripherals::USB,
+    spi::{self, Spi},
+    usb::Driver,
+};
 use embassy_time::Timer;
+use embedded_graphics::{
+    mono_font::{MonoTextStyle, iso_8859_1::FONT_10X20},
+    pixelcolor::{BinaryColor, Rgb565, Rgb666},
+    prelude::{Point, *},
+    primitives::{Circle, PrimitiveStyle},
+    text::Text,
+};
+use embedded_hal_bus::spi::ExclusiveDevice;
 use gpio::{Level, Output};
 use log::{error, info};
+use mipidsi::{Builder, interface::SpiInterface, models::ST7789, options::ColorOrder};
 
 #[panic_handler]
 fn panic(info: &core::panic::PanicInfo) -> ! {
@@ -30,15 +44,44 @@ async fn main(spawner: Spawner) {
     let driver = Driver::new(p.USB, Irqs);
     spawner.must_spawn(logger_task(driver));
 
-    let mut led = Output::new(p.PIN_25, Level::Low);
+    let mut spi_cfg = spi::Config::default();
+    spi_cfg.frequency = 62_500_000;
+
+    let inner = p.SPI0;
+    let clk = p.PIN_18;
+    let mosi = p.PIN_19;
+    let cs = p.PIN_17;
+    let dc = p.PIN_16;
+    let rst = p.PIN_15;
+
+    let spi = Spi::new_blocking_txonly(inner, clk, mosi, spi_cfg);
+    // let spi = Spi::new_txonly(inner, clk, mosi, p.DMA_CH0, spi_cfg);
+    let cs_display = Output::new(cs, Level::Low);
+    let dc_display = Output::new(dc, Level::Low);
+    let mut rst_display = Output::new(rst, Level::Low);
+
+    rst_display.set_low();
+    Timer::after_millis(10).await;
+    rst_display.set_high();
+    Timer::after_millis(120).await;
+
+    let spi_dev = ExclusiveDevice::new_no_delay(spi, cs_display).unwrap();
+
+    let mut buffer = [0u8; 512];
+    let di = SpiInterface::new(spi_dev, dc_display, &mut buffer);
+
+    let mut display = Builder::new(ST7789, di)
+        .display_size(240, 320)
+        .init(&mut embassy_time::Delay)
+        .unwrap();
+
+    display.clear(Rgb565::BLACK).unwrap();
+    Circle::new(Point::new(70, 100), 80)
+        .into_styled(PrimitiveStyle::with_fill(Rgb565::RED))
+        .draw(&mut display)
+        .unwrap();
 
     loop {
-        info!("led on!");
-        led.set_high();
-        Timer::after_secs(1).await;
-
-        info!("led off!");
-        led.set_low();
         Timer::after_secs(1).await;
     }
 }