add init_spi_rs

Author: L-jasmine

src/main.rs

@@ -78,7 +78,14 @@ fn main() {
 
     log::info!("Hello, world!");
 
-    ui::init_ui().unwrap();
+    // ui::init_ui().unwrap();
+    let _spi_driver = ui::init_ui_rs(
+        peripherals.spi3,
+        peripherals.pins.gpio21.into(),
+        peripherals.pins.gpio47.into(),
+        None,
+    )
+    .unwrap();
     log::info!("UI initialized");
     ui::hello_lcd().unwrap();
 
@@ -111,4 +118,6 @@ fn main() {
         None,
         Some(&samples),
     );
+
+    unsafe { esp_idf_svc::sys::esp_restart() }
 }

src/ui.rs

@@ -8,6 +8,7 @@ use embedded_graphics::{
     Drawable,
 };
 use embedded_text::TextBox;
+use esp_idf_svc::hal::gpio::AnyIOPin;
 use esp_idf_svc::sys::EspError;
 use u8g2_fonts::U8g2TextStyle;
 
@@ -17,6 +18,20 @@ pub type ColorFormat = Rgb565;
 
 static mut ESP_LCD_PANEL_HANDLE: esp_idf_svc::sys::esp_lcd_panel_handle_t = std::ptr::null_mut();
 
+fn init_spi_rs(
+    spi: esp_idf_svc::hal::spi::SPI3,
+    sclk: AnyIOPin,
+    sdo: AnyIOPin,
+    sdi: Option<AnyIOPin>,
+) -> esp_idf_svc::hal::spi::SpiDriver<'static> {
+    let config = esp_idf_svc::hal::spi::SpiDriverConfig::new().dma(
+        esp_idf_svc::hal::spi::Dma::Auto(DISPLAY_WIDTH * DISPLAY_HEIGHT),
+    );
+
+    let driver = esp_idf_svc::hal::spi::SpiDriver::new(spi, sclk, sdo, sdi, &config).unwrap();
+    driver
+}
+
 fn init_spi() -> Result<(), EspError> {
     use esp_idf_svc::sys::*;
     const GPIO_NUM_NC: i32 = -1;
@@ -119,6 +134,17 @@ pub fn init_ui() -> Result<(), EspError> {
     Ok(())
 }
 
+pub fn init_ui_rs(
+    spi: esp_idf_svc::hal::spi::SPI3,
+    sclk: AnyIOPin,
+    sdo: AnyIOPin,
+    sdi: Option<AnyIOPin>,
+) -> Result<esp_idf_svc::hal::spi::SpiDriver<'static>, EspError> {
+    let driver = init_spi_rs(spi, sclk, sdo, sdi);
+    init_lcd()?;
+    Ok(driver)
+}
+
 pub fn hello_lcd() -> Result<(), EspError> {
     let mut display = Box::new(Framebuffer::<
         ColorFormat,