improve SPI HAL

examples/simple/Cargo.toml

@@ -30,4 +30,4 @@ features = ["cortex-m-systick"]
 [dependencies.va108xx-hal]
 version = "0.6"
 path = "../../va108xx-hal"
-features = ["rt", "defmt"]
+features = ["rt", "defmt"]

examples/simple/examples/rtt-log.rs

@@ -3,12 +3,14 @@
 #![no_std]
 
 use cortex_m_rt::entry;
-use panic_halt as _;
+use panic_rtt_target as _;
 use rtt_target::{rprintln, rtt_init_print};
+use va108xx_hal as _;
 
 #[entry]
 fn main() -> ! {
     rtt_init_print!();
+    rprintln!("-- VA108XX RTT example --");
     let mut counter = 0;
     loop {
         rprintln!("{}: Hello, world!", counter);

examples/simple/examples/spi.rs

@@ -73,12 +73,12 @@ fn main() -> ! {
                 pinsa.pa30.into_funsel_1(),
                 pinsa.pa29.into_funsel_1(),
             );
-            let mut spia = Spi::spia(
+            let mut spia = Spi::new(
+                &mut dp.sysconfig,
+                50.MHz(),
                 dp.spia,
                 (sck, miso, mosi),
-                50.MHz(),
                 spi_cfg,
-                Some(&mut dp.sysconfig),
                 None,
             );
             spia.set_fill_word(FILL_WORD);
@@ -90,12 +90,12 @@ fn main() -> ! {
                 pinsb.pb8.into_funsel_2(),
                 pinsb.pb7.into_funsel_2(),
             );
-            let mut spia = Spi::spia(
+            let mut spia = Spi::new(
+                &mut dp.sysconfig,
+                50.MHz(),
                 dp.spia,
                 (sck, miso, mosi),
-                50.MHz(),
                 spi_cfg,
-                Some(&mut dp.sysconfig),
                 None,
             );
             spia.set_fill_word(FILL_WORD);
@@ -107,12 +107,12 @@ fn main() -> ! {
                 pinsb.pb4.into_funsel_1(),
                 pinsb.pb3.into_funsel_1(),
             );
-            let mut spib = Spi::spib(
+            let mut spib = Spi::new(
+                &mut dp.sysconfig,
+                50.MHz(),
                 dp.spib,
                 (sck, miso, mosi),
-                50.MHz(),
                 spi_cfg,
-                Some(&mut dp.sysconfig),
                 None,
             );
             spib.set_fill_word(FILL_WORD);
@@ -195,6 +195,10 @@ fn main() -> ! {
                     if EXAMPLE_SEL == ExampleSelect::Loopback {
                         // Can't really verify correct reply here.
                         spi.write(&[0x42]).expect("write failed");
+                        // Need small delay.. otherwise we will read back the sent byte (which we don't want here).
+                        // The write function will return as soon as all bytes were shifted out, ignoring the
+                        // reply bytes.
+                        delay.delay_us(50);
                         // Because of the loopback mode, we should get back the fill word here.
                         spi.read(&mut reply_buf[0..1]).unwrap();
                         assert_eq!(reply_buf[0], FILL_WORD);

examples/simple/examples/uart-irq-rtic.rs

@@ -65,7 +65,7 @@ mod app {
 
         let irq_cfg = IrqCfg::new(pac::interrupt::OC3, true, true);
         let (mut irq_uart, _) =
-            uart::Uart::uartb(dp.uartb, (tx, rx), 115200.Hz(), &mut dp.sysconfig, 50.MHz())
+            uart::Uart::new(&mut dp.sysconfig, 50.MHz(), dp.uartb, (tx, rx), 115200.Hz())
                 .into_uart_with_irq(irq_cfg, Some(&mut dp.sysconfig), Some(&mut dp.irqsel))
                 .downgrade();
         irq_uart

examples/simple/examples/uart.rs

@@ -28,7 +28,7 @@ fn main() -> ! {
     let tx = gpioa.pa9.into_funsel_2();
     let rx = gpioa.pa8.into_funsel_2();
 
-    let uarta = uart::Uart::uarta(dp.uarta, (tx, rx), 115200.Hz(), &mut dp.sysconfig, 50.MHz());
+    let uarta = uart::Uart::new(&mut dp.sysconfig, 50.MHz(), dp.uarta, (tx, rx), 115200.Hz());
     let (mut tx, mut rx) = uarta.split();
     writeln!(tx, "Hello World\r").unwrap();
     loop {