demo: sdio demo for ch32v307

examples/ch32v307/README.md

@@ -15,7 +15,7 @@ FT24C32(I2C2 with pull up)
 - SCL: PB10
 - SDA: PB11
 
-W32Q16(SPI1)
+W25Q16(SPI1)
 
 - CS: PA2
 - DO(IO1): PA6
@@ -24,11 +24,20 @@ W32Q16(SPI1)
 
 Micro SD Card / TFCard (SDIO)
 
-- DAT0: PC8
-- DAT1: PC9
+- DAT0: PC8 (requires soldering the jumper on the back of the board)
+- DAT1: PC9 (requires soldering the jumper on the back of the board)
 - DAT2: PC10
 - DAT3: PC11
 - CLK: PC12
 - CMD: PD2
 
-- TFSW: PD7
+- TFSW: PD7 (requires soldering the jumper on the back of the board)
+
+Ethernet  (requires soldering the jumper on the back of the board)
+
+- PC0, LINK LED
+- PC1, ACT LED
+- PC7, RXN
+- PC6, RXP
+- PC9, TXN
+- PC8, TXP

examples/ch32v307/src/bin/sdmmc.rs

@@ -0,0 +1,63 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use ch32_hal as hal;
+use ch32_hal::sdio::Sdmmc;
+use ch32_hal::time::mhz;
+use ch32_hal::{bind_interrupts, peripherals, sdio};
+use embassy_executor::Spawner;
+use hal::println;
+
+bind_interrupts!(struct Irqs {
+    SDIO => sdio::InterruptHandler<peripherals::SDIO>;
+});
+
+#[embassy_executor::main(entry = "qingke_rt::entry")]
+async fn main(_spawner: Spawner) {
+    hal::debug::SDIPrint::enable();
+    let mut config = hal::Config::default();
+    config.rcc = hal::rcc::Config::SYSCLK_FREQ_96MHZ_HSE;
+    let p = hal::init(config);
+    hal::embassy::init();
+
+    println!("clk => {}", hal::rcc::clocks().hclk.0);
+
+    println!("Hello World!");
+
+    let mut sdmmc = Sdmmc::new_4bit(
+        p.SDIO,
+        Irqs,
+        p.DMA2_CH4,
+        p.PC12,
+        p.PD2,
+        p.PC8,
+        p.PC9,
+        p.PC10,
+        p.PC11,
+        Default::default(),
+    );
+
+    //  let mut tfsw = Output::new(p.PD7, Level::Low, Default::default());
+    // tfsw.set_low();
+
+    // Should print 400kHz for initialization
+    println!("Configured clock: {}", sdmmc.clock().0);
+
+    sdmmc.init_card(mhz(10)).await.unwrap();
+
+    println!("init ok");
+
+    let card = sdmmc.card().unwrap();
+
+    println!("Card: {:#?}", card);
+
+    loop {}
+}
+
+#[panic_handler]
+fn panic(info: &core::panic::PanicInfo) -> ! {
+    let _ = println!("\n\n\n{}", info);
+
+    loop {}
+}