Display init works

Cargo.toml

@@ -19,14 +19,13 @@ systick-monotonic = "1.0.0"
 num-traits = { version = "0.2", default-features = false, features = ["libm"] }
 num = {version = "0.4", default-features = false}
 microfft = "0.5.1"
+st7735-lcd = "0.9.0"
+embedded-graphics = "0.8.0"
 
 
 [features]
 # set logging levels here
-default = [
-  "defmt-default",
-  # "dependency-a/defmt-trace",
-]
+default = ["defmt-default"]
 
 # do NOT modify these features
 defmt-default = []

src/main.rs

@@ -34,8 +34,9 @@ mod app {
         dma::{self, config::DmaConfig, PeripheralToMemory, Stream0, StreamsTuple, Transfer},
         gpio::{self, gpioa, gpioc, Analog, Output, PushPull},
         i2c::{self, I2c},
-        pac::{ADC1, DMA2, I2C1, TIM2, TIM4},
+        pac::{ADC1, DMA2, I2C1, SPI1, TIM2, TIM4},
         prelude::*,
+        spi::{self, Spi},
         timer::{self, Channel, Channel1, Channel3, ChannelBuilder, CounterHz, Event, PwmHz},
     };
 
@@ -47,6 +48,10 @@ mod app {
     use crate::filters;
     use crate::si5153;
 
+    use embedded_graphics::pixelcolor::Rgb565;
+    use embedded_graphics::prelude::*;
+    use st7735_lcd::{Orientation, ST7735};
+
     type AudioPwm = PwmHz<TIM4, ChannelBuilder<TIM4, 2>>;
 
     #[shared]
@@ -69,6 +74,10 @@ mod app {
         transfer:
             Transfer<Stream0<DMA2>, 0, Adc<ADC1>, PeripheralToMemory, &'static mut [u16; 256]>,
         iq_buffer: Option<&'static mut [u16; 256]>,
+
+        disp_led: gpioa::PA10<Output<PushPull>>,
+        disp_cs: gpioa::PA15<Output<PushPull>>,
+        disp: ST7735<Spi<SPI1>, gpio::Pin<'A', 12, Output>, gpio::Pin<'A', 11, Output>>,
     }
 
     #[init]
@@ -174,6 +183,35 @@ mod app {
         let bias_pin = Channel1::new(gpioa.pa6);
         let _bias_pwm = cx.device.TIM3.pwm_hz(bias_pin, 64.kHz(), &clocks);
 
+        let mut disp_led = gpioa.pa10.into_push_pull_output();
+        disp_led.set_high();
+        let mut disp_cs = gpioa.pa15.into_push_pull_output();
+        disp_cs.set_low();
+
+        let disp_rst = gpioa.pa11.into_push_pull_output();
+        let disp_dc = gpioa.pa12.into_push_pull_output();
+
+        let disp_sck = gpiob.pb3.into_alternate();
+        let disp_mosi = gpiob.pb5.into_alternate();
+        let spi1 = Spi::new(
+            cx.device.SPI1,
+            (disp_sck, spi::NoMiso::new(), disp_mosi),
+            spi::Mode {
+                polarity: spi::Polarity::IdleLow,
+                phase: spi::Phase::CaptureOnFirstTransition,
+            },
+            16.MHz(),
+            &clocks,
+        );
+
+        let mut disp = ST7735::new(spi1, disp_dc, disp_rst, true, false, 160, 128);
+
+        let mut delay = cx.core.SYST.delay(&clocks);
+
+        disp.init(&mut delay).unwrap();
+        disp.set_orientation(&Orientation::Landscape).unwrap();
+        disp.clear(Rgb565::GREEN).unwrap();
+
         (
             Shared {},
             Local {
@@ -191,6 +229,10 @@ mod app {
                 usb_filter: filters::usb_firfilter(),
                 transfer,
                 iq_buffer: Some(iq_buff2),
+
+                disp_led,
+                disp_cs,
+                disp,
             },
         )
     }