diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 93c91ed..3dd8c0d 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -21,6 +21,12 @@ members = [
 
 [patch.crates-io]
 
+k210-hal = { git = "https://github.com/riscv-rust/k210-hal.git", rev = "fdf1ad61af8f756765a65133bb2d08cda686be6f" }
+riscv = { git = "https://github.com/rust-embedded/riscv.git", rev = "422a1625cfd666f927eae485629fa7f96be5ebd0" }
+
+# Remove this after https://github.com/ilya-epifanov/riscv-target/pull/1 or similar merged
+riscv-target = { git = "https://github.com/laanwj/riscv-target.git", rev = "189b5261ecdd40f18eb1b82614d6876aa88bd744" }
+
 # This patch was merged upstream, unfortunately, rust-secp256k1 puts a restriction on 
 # cc_rs <= 1.0.41 so we can't actually use the newer version yet.
 cc = { git = "https://github.com/laanwj/cc-rs.git", rev = "83e66a79a25b55d0aa84db42257a8edbb0095cf8" }
diff --git a/rust/accelerometer/Cargo.toml b/rust/accelerometer/Cargo.toml
index 5063b78..33ddfab 100644
--- a/rust/accelerometer/Cargo.toml
+++ b/rust/accelerometer/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 libm = "0.1"
diff --git a/rust/accelerometer/src/main.rs b/rust/accelerometer/src/main.rs
index 2b091d8..9aa1cd1 100644
--- a/rust/accelerometer/src/main.rs
+++ b/rust/accelerometer/src/main.rs
@@ -4,7 +4,7 @@
 #![no_std]
 #![no_main]
 
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::{io,DISP_WIDTH,DISP_HEIGHT,MSA300_SLV_ADDR,MSA300_ADDR_BITS,MSA300_CLK};
@@ -63,7 +63,7 @@ fn main() -> ! {
     usleep(200000);
 
     // Configure UART
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/buffered-uart/.cargo/config b/rust/buffered-uart/.cargo/config
deleted file mode 100644
index 27904bc..0000000
--- a/rust/buffered-uart/.cargo/config
+++ /dev/null
@@ -1,4 +0,0 @@
-[target.riscv64gc-unknown-none-elf]
-rustflags = [
-  "-C", "link-arg=-Ttrap.x",
-]
diff --git a/rust/buffered-uart/Cargo.toml b/rust/buffered-uart/Cargo.toml
index 31fc8c9..d8d972e 100644
--- a/rust/buffered-uart/Cargo.toml
+++ b/rust/buffered-uart/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 bare-metal = "0.2.0"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = { version = "0.5", features = ["inline-asm"] }
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/buffered-uart/build.rs b/rust/buffered-uart/build.rs
deleted file mode 100644
index 0d3e283..0000000
--- a/rust/buffered-uart/build.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-use std::{env, fs};
-use std::path::PathBuf;
-use std::io::Write;
-
-fn main() {
-    // Put the linker script somewhere the linker can find it
-    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
-    println!("cargo:rustc-link-search={}", out_dir.display());
-
-    fs::File::create(out_dir.join("trap.x")).unwrap()
-        .write_all(include_bytes!("trap.x")).unwrap();
-    println!("cargo:rerun-if-changed=trap.x");
-}
diff --git a/rust/buffered-uart/src/lib.rs b/rust/buffered-uart/src/lib.rs
index b7bc09b..7858016 100644
--- a/rust/buffered-uart/src/lib.rs
+++ b/rust/buffered-uart/src/lib.rs
@@ -11,7 +11,7 @@ use k210_hal::pac;
 use k210_shared::soc::sysctl;
 use pac::interrupt::Interrupt;
 use riscv::asm;
-use riscv::register::{mcause, mhartid, mie, mip, mstatus};
+use riscv::register::{mhartid, mie, mip, mstatus};
 
 const UART_BUFSIZE: usize = 8192;
 /** UART ring buffer */
@@ -80,42 +80,34 @@ fn interrupt_uart1() {
     }
 }
 
-/** Global trap handler */
+/** PLIC interrupts */
+#[allow(non_snake_case)]
 #[no_mangle]
-fn my_trap_handler() {
-    let hartid = mhartid::read();
-    let cause = mcause::read().cause();
-    match cause {
-        // PLIC interrupts
-        mcause::Trap::Interrupt(mcause::Interrupt::MachineExternal) => {
-            if mip::read().mext() {
-                unsafe {
-                    let plic = pac::PLIC::ptr();
-                    let target = &(*plic).targets[hartid * 2];
-                    let int_num = target.claim.read().bits();
-                    let int = Interrupt::try_from(int_num as u8).unwrap();
+fn MachineExternal() {
+    if mip::read().mext() {
+        unsafe {
+            let hartid = mhartid::read();
+            let plic = pac::PLIC::ptr();
+            let target = &(*plic).targets[hartid * 2];
+            let int_num = target.claim.read().bits();
+            let int = Interrupt::try_from(int_num as u8).unwrap();
 
-                    // Does this really need the 'disable other interrupts, change threshold' dance
-                    // as done in handle_irq_m_ext in plic.c?
-                    match int {
-                        Interrupt::UART1 => interrupt_uart1(),
-                        // We'll get a spurious UARTHS interrupt, ignore it
-                        Interrupt::UARTHS => {}
-                        _ => {
-                            panic!(
-                                "unknown machineexternal {:?} on {}, int {:?}",
-                                cause, hartid, int
-                            );
-                        }
-                    }
-
-                    // Perform IRQ complete
-                    target.claim.write(|w| w.bits(int_num));
+            // Does this really need the 'disable other interrupts, change threshold' dance
+            // as done in handle_irq_m_ext in plic.c?
+            match int {
+                Interrupt::UART1 => interrupt_uart1(),
+                // We'll get a spurious UARTHS interrupt, ignore it
+                Interrupt::UARTHS => {}
+                _ => {
+                    panic!(
+                        "unknown machineexternal hart {}, int {:?}",
+                        hartid, int
+                    );
                 }
             }
-        }
-        _ => {
-            panic!("unknown trap {:?}", cause);
+
+            // Perform IRQ complete
+            target.claim.write(|w| w.bits(int_num));
         }
     }
 }
diff --git a/rust/buffered-uart/trap.x b/rust/buffered-uart/trap.x
deleted file mode 100644
index d58bc44..0000000
--- a/rust/buffered-uart/trap.x
+++ /dev/null
@@ -1,2 +0,0 @@
-/* set our own trap handler */
-trap_handler = my_trap_handler;
diff --git a/rust/cryptest/Cargo.toml b/rust/cryptest/Cargo.toml
index bf328e8..1dcebf5 100644
--- a/rust/cryptest/Cargo.toml
+++ b/rust/cryptest/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 k210-hal = "0.2.0"
 k210-shared = { path = "../k210-shared" }
 riscv = "0.5"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 hex-literal = "0.2"
 sha2 = { version = "0.8", default-features = false }
 aes-soft = { version = "0.3" }
diff --git a/rust/cryptest/src/main.rs b/rust/cryptest/src/main.rs
index a2adccd..d8d05ca 100644
--- a/rust/cryptest/src/main.rs
+++ b/rust/cryptest/src/main.rs
@@ -8,7 +8,7 @@ use core::iter;
 use hex_literal::hex;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_shared::soc::sleep::usleep;
 use k210_shared::soc::sysctl;
 use k210_shared::soc::aes::{self, cipher_mode, encrypt_sel};
@@ -50,7 +50,7 @@ fn main() -> ! {
     // Configure UART
     let serial = p
         .UARTHS
-        .configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+        .configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
     let mut stdout = Stdout(&mut tx);
 
diff --git a/rust/dvp-ov/Cargo.toml b/rust/dvp-ov/Cargo.toml
index 2bb3fc3..9a33250 100644
--- a/rust/dvp-ov/Cargo.toml
+++ b/rust/dvp-ov/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/dvp-ov/src/main.rs b/rust/dvp-ov/src/main.rs
index 299131a..7a15b04 100644
--- a/rust/dvp-ov/src/main.rs
+++ b/rust/dvp-ov/src/main.rs
@@ -4,7 +4,7 @@
 #![no_std]
 #![no_main]
 
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::{io,DISP_WIDTH,DISP_HEIGHT,DISP_PIXELS};
@@ -68,7 +68,7 @@ fn main() -> ! {
     usleep(200000);
 
     // Configure UART
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/embgfx/Cargo.toml b/rust/embgfx/Cargo.toml
index 0b1ced1..b768fb3 100644
--- a/rust/embgfx/Cargo.toml
+++ b/rust/embgfx/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 libm = "0.1"
diff --git a/rust/embgfx/src/main.rs b/rust/embgfx/src/main.rs
index db7d5cb..b7f9d88 100644
--- a/rust/embgfx/src/main.rs
+++ b/rust/embgfx/src/main.rs
@@ -13,7 +13,7 @@ use embedded_graphics::primitives::{Circle, Rectangle};
 use embedded_graphics::{text_6x8, Drawing};
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_shared::board::def::{io, DISP_HEIGHT, DISP_PIXELS, DISP_WIDTH};
 use k210_shared::board::lcd::{self, LCD, LCDHL};
 use k210_shared::board::lcd_render::ScreenImage;
@@ -96,7 +96,7 @@ fn main() -> ! {
     // Configure UART
     let serial = p
         .UARTHS
-        .configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+        .configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/game-of-life/Cargo.toml b/rust/game-of-life/Cargo.toml
index 199d830..6bebceb 100644
--- a/rust/game-of-life/Cargo.toml
+++ b/rust/game-of-life/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/game-of-life/src/main.rs b/rust/game-of-life/src/main.rs
index 97bfebe..5e7ad8d 100644
--- a/rust/game-of-life/src/main.rs
+++ b/rust/game-of-life/src/main.rs
@@ -4,7 +4,7 @@
 #![no_std]
 #![no_main]
 
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::{io,DISP_WIDTH,DISP_HEIGHT,DISP_PIXELS,NS2009_SLV_ADDR,NS2009_CAL,NS2009_ADDR_BITS,NS2009_CLK};
@@ -150,7 +150,7 @@ fn main() -> ! {
     usleep(200000);
 
     // Configure UART
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/glyph-mapping/Cargo.toml b/rust/glyph-mapping/Cargo.toml
index 6b8d3e1..99af6da 100644
--- a/rust/glyph-mapping/Cargo.toml
+++ b/rust/glyph-mapping/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/glyph-mapping/src/main.rs b/rust/glyph-mapping/src/main.rs
index 3a3ea9c..4390779 100644
--- a/rust/glyph-mapping/src/main.rs
+++ b/rust/glyph-mapping/src/main.rs
@@ -7,7 +7,7 @@
 use k210_console::console::{Console, ScreenImage};
 use k210_console::cp437;
 use k210_console::cp437_8x8::{FONT, GLYPH_BY_FILL};
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::{io,DISP_WIDTH,DISP_HEIGHT,DISP_PIXELS};
@@ -79,7 +79,7 @@ fn main() -> ! {
     usleep(200000);
 
     // Configure UART
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/interrupt/.cargo/config b/rust/interrupt/.cargo/config
deleted file mode 100644
index 27904bc..0000000
--- a/rust/interrupt/.cargo/config
+++ /dev/null
@@ -1,4 +0,0 @@
-[target.riscv64gc-unknown-none-elf]
-rustflags = [
-  "-C", "link-arg=-Ttrap.x",
-]
diff --git a/rust/interrupt/Cargo.toml b/rust/interrupt/Cargo.toml
index 4897b39..df4f759 100644
--- a/rust/interrupt/Cargo.toml
+++ b/rust/interrupt/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = { version = "0.5", features = ["inline-asm"] }
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/interrupt/build.rs b/rust/interrupt/build.rs
deleted file mode 100644
index 0d3e283..0000000
--- a/rust/interrupt/build.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-use std::{env, fs};
-use std::path::PathBuf;
-use std::io::Write;
-
-fn main() {
-    // Put the linker script somewhere the linker can find it
-    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
-    println!("cargo:rustc-link-search={}", out_dir.display());
-
-    fs::File::create(out_dir.join("trap.x")).unwrap()
-        .write_all(include_bytes!("trap.x")).unwrap();
-    println!("cargo:rerun-if-changed=trap.x");
-}
diff --git a/rust/interrupt/src/main.rs b/rust/interrupt/src/main.rs
index d94d98f..093e8af 100644
--- a/rust/interrupt/src/main.rs
+++ b/rust/interrupt/src/main.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
 
-use k210_hal::Peripherals;
 use k210_hal::pac;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
@@ -29,8 +28,9 @@ struct IntrInfo {
 
 static mut INTR_INFO: Option<IntrInfo> = None;
 
+#[allow(non_snake_case)]
 #[no_mangle]
-fn my_trap_handler() {
+fn MachineSoft() {
     let hartid = mhartid::read();
     let cause = mcause::read().cause();
 
@@ -44,7 +44,7 @@ fn my_trap_handler() {
 
 #[entry]
 fn main() -> ! {
-    let p = Peripherals::take().unwrap();
+    let p = pac::Peripherals::take().unwrap();
     sysctl::pll_set_freq(sysctl::pll::PLL0, 800_000_000).unwrap();
     sysctl::pll_set_freq(sysctl::pll::PLL1, 300_000_000).unwrap();
     sysctl::pll_set_freq(sysctl::pll::PLL2, 45_158_400).unwrap();
@@ -53,7 +53,7 @@ fn main() -> ! {
     usleep(200000);
 
     // Configure UART
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/interrupt/trap.x b/rust/interrupt/trap.x
deleted file mode 100644
index d58bc44..0000000
--- a/rust/interrupt/trap.x
+++ /dev/null
@@ -1,2 +0,0 @@
-/* set our own trap handler */
-trap_handler = my_trap_handler;
diff --git a/rust/k210-console/Cargo.toml b/rust/k210-console/Cargo.toml
index 551fc1d..fc31947 100644
--- a/rust/k210-console/Cargo.toml
+++ b/rust/k210-console/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/k210-console/src/main.rs b/rust/k210-console/src/main.rs
index e8bcae7..44a7ebf 100644
--- a/rust/k210-console/src/main.rs
+++ b/rust/k210-console/src/main.rs
@@ -9,7 +9,7 @@ mod lfsr;
 
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_shared::board::def::io;
 use k210_shared::board::lcd::{self, LCD, LCDHL};
 use k210_shared::board::lcd_colors;
@@ -62,7 +62,7 @@ fn main() -> ! {
     // Configure UART
     let serial = p
         .UARTHS
-        .configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+        .configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/k210-shared/Cargo.toml b/rust/k210-shared/Cargo.toml
index 16cab16..ca69300 100644
--- a/rust/k210-shared/Cargo.toml
+++ b/rust/k210-shared/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 k210-hal = "0.2.0"
 libm = "0.1"
 riscv = "0.5"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
diff --git a/rust/k210-shared/src/panic.rs b/rust/k210-shared/src/panic.rs
index b38915d..23c175b 100644
--- a/rust/k210-shared/src/panic.rs
+++ b/rust/k210-shared/src/panic.rs
@@ -1,5 +1,5 @@
 /** Panic handler: based on ARM panic-itm */
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use core::panic::PanicInfo;
@@ -12,7 +12,7 @@ fn panic(info: &PanicInfo) -> ! {
     // also, can we really know the state?
     let p = unsafe { Peripherals::steal() };
     let clocks = k210_hal::clock::Clocks::new();
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
     let mut stdout = Stdout(&mut tx);
     writeln!(stdout, "{}", info).unwrap();
diff --git a/rust/k210-shared/src/soc/i2c.rs b/rust/k210-shared/src/soc/i2c.rs
index 8edd8b8..618318d 100644
--- a/rust/k210-shared/src/soc/i2c.rs
+++ b/rust/k210-shared/src/soc/i2c.rs
@@ -59,7 +59,7 @@ impl<IF: I2CExt> I2C for I2CImpl<IF> {
         sysctl::clock_set_threshold(IF::DIV, 3);
         sysctl::reset(IF::RESET);
 
-        let v_i2c_freq = sysctl::clock_get_freq(sysctl::clock::I2C0);
+        let v_i2c_freq = sysctl::clock_get_freq(IF::CLK);
         let v_period_clk_cnt = v_i2c_freq / i2c_clk / 2;
         let v_period_clk_cnt: u16 = v_period_clk_cnt.try_into().unwrap();
         let v_period_clk_cnt = cmp::max(v_period_clk_cnt, 1);
diff --git a/rust/mandelbrot/Cargo.toml b/rust/mandelbrot/Cargo.toml
index 6666e4b..8311102 100644
--- a/rust/mandelbrot/Cargo.toml
+++ b/rust/mandelbrot/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/mandelbrot/src/main.rs b/rust/mandelbrot/src/main.rs
index 3beee29..e5f23db 100644
--- a/rust/mandelbrot/src/main.rs
+++ b/rust/mandelbrot/src/main.rs
@@ -6,7 +6,7 @@
 
 mod palette;
 
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::{io,DISP_WIDTH,DISP_HEIGHT};
@@ -65,7 +65,7 @@ fn main() -> ! {
     usleep(200000);
 
     // Configure UART
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/rgbcontrol/Cargo.toml b/rust/rgbcontrol/Cargo.toml
index 72e4aa8..4acd9d7 100644
--- a/rust/rgbcontrol/Cargo.toml
+++ b/rust/rgbcontrol/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 k210-hal = "0.2.0"
 k210-shared = { path = "../k210-shared" }
 riscv = "0.5"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
diff --git a/rust/rgbcontrol/src/main.rs b/rust/rgbcontrol/src/main.rs
index e95edcd..6e1936e 100644
--- a/rust/rgbcontrol/src/main.rs
+++ b/rust/rgbcontrol/src/main.rs
@@ -5,7 +5,7 @@
 #![no_main]
 
 use core::cmp::{min,max};
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::{
@@ -76,7 +76,7 @@ fn main() -> ! {
 
     usleep(200000);
 
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
     let mut stdout = Stdout(&mut tx);
 
diff --git a/rust/sdlcd/Cargo.toml b/rust/sdlcd/Cargo.toml
index 1d40fa5..e6f2be5 100644
--- a/rust/sdlcd/Cargo.toml
+++ b/rust/sdlcd/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 nb = "0.1.1"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/sdlcd/src/main.rs b/rust/sdlcd/src/main.rs
index bddd88b..0b960f9 100644
--- a/rust/sdlcd/src/main.rs
+++ b/rust/sdlcd/src/main.rs
@@ -10,7 +10,7 @@
 use core::convert::TryInto;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_shared::board::def::{io, DISP_HEIGHT, DISP_PIXELS, DISP_WIDTH};
 use k210_shared::board::lcd::{self, LCD, LCDHL};
 use k210_shared::board::lcd_colors;
@@ -67,7 +67,7 @@ fn main() -> ! {
     // Configure UART
     let serial = p
         .UARTHS
-        .configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+        .configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/sdtest/Cargo.toml b/rust/sdtest/Cargo.toml
index b605656..1f91cb9 100644
--- a/rust/sdtest/Cargo.toml
+++ b/rust/sdtest/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 nb = "0.1.1"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/sdtest/src/main.rs b/rust/sdtest/src/main.rs
index ff38762..18231d3 100644
--- a/rust/sdtest/src/main.rs
+++ b/rust/sdtest/src/main.rs
@@ -7,7 +7,7 @@
 use core::convert::TryInto;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_shared::board::def::io;
 use k210_shared::board::sdcard;
 use k210_shared::soc::dmac::{dma_channel, DMACExt};
@@ -69,7 +69,7 @@ fn main() -> ! {
     // Configure UART
     let serial = p
         .UARTHS
-        .configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+        .configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/secp256k1-test/Cargo.toml b/rust/secp256k1-test/Cargo.toml
index 8e2af2a..589deca 100644
--- a/rust/secp256k1-test/Cargo.toml
+++ b/rust/secp256k1-test/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/secp256k1-test/src/main.rs b/rust/secp256k1-test/src/main.rs
index 12361df..1a74237 100644
--- a/rust/secp256k1-test/src/main.rs
+++ b/rust/secp256k1-test/src/main.rs
@@ -6,7 +6,7 @@
 #![no_std]
 #![no_main]
 
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use riscv_rt::entry;
@@ -30,7 +30,7 @@ fn main() -> ! {
 
     usleep(200000);
 
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+    let serial = p.UARTHS.configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/term-server/.cargo/config b/rust/term-server/.cargo/config
deleted file mode 100644
index 27904bc..0000000
--- a/rust/term-server/.cargo/config
+++ /dev/null
@@ -1,4 +0,0 @@
-[target.riscv64gc-unknown-none-elf]
-rustflags = [
-  "-C", "link-arg=-Ttrap.x",
-]
diff --git a/rust/term-server/Cargo.toml b/rust/term-server/Cargo.toml
index 702c3f1..6f40bf8 100644
--- a/rust/term-server/Cargo.toml
+++ b/rust/term-server/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 embedded-hal = { version = "0.2.1", features = ["unproven"] }
 nb = "0.1.1"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/term-server/src/main.rs b/rust/term-server/src/main.rs
index 9f1b22d..a960a80 100644
--- a/rust/term-server/src/main.rs
+++ b/rust/term-server/src/main.rs
@@ -8,7 +8,7 @@ use core::str;
 use esp8266at::handler::{NetworkEvent, SerialNetworkHandler};
 use esp8266at::response::{parse, ParseResult};
 use esp8266at::traits;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::io;
@@ -77,7 +77,7 @@ fn main() -> ! {
     io_init();
 
     // Configure UARTHS (→host)
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), DEFAULT_BAUD.bps(), &clocks);
+    let serial = p.UARTHS.configure(DEFAULT_BAUD.bps(), &clocks);
     let (mut tx, mut _rx) = serial.split();
     let mut debug = Stdout(&mut tx);
 
diff --git a/rust/uart-passthrough/Cargo.toml b/rust/uart-passthrough/Cargo.toml
index e19e444..21540b1 100644
--- a/rust/uart-passthrough/Cargo.toml
+++ b/rust/uart-passthrough/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 nb = "0.1.1"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/uart-passthrough/src/main.rs b/rust/uart-passthrough/src/main.rs
index 19e962f..f8b8b4e 100644
--- a/rust/uart-passthrough/src/main.rs
+++ b/rust/uart-passthrough/src/main.rs
@@ -4,7 +4,7 @@
 #![no_std]
 #![no_main]
 
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_hal::prelude::*;
 use k210_hal::serial::Serial;
 use k210_shared::board::def::io;
@@ -27,17 +27,19 @@ fn main() -> ! {
     let clocks = k210_hal::clock::Clocks::new();
 
     // Configure UARTHS (→host)
-    let mut serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), DEFAULT_BAUD.bps(), &clocks);
+    let mut serial = p.UARTHS.configure( DEFAULT_BAUD.bps(), &clocks);
     let (mut tx, mut rx) = serial.split();
 
     // Configure UART1 (→WIFI)
     sysctl::clock_enable(sysctl::clock::UART1);
     sysctl::reset(sysctl::reset::UART1);
+    fpioa::set_function(io::WIFI_RX, fpioa::function::UART1_TX);
+    fpioa::set_function(io::WIFI_TX, fpioa::function::UART1_RX);
     fpioa::set_function(io::WIFI_EN, fpioa::function::GPIOHS8);
     fpioa::set_io_pull(io::WIFI_EN, fpioa::pull::DOWN);
     gpiohs::set_pin(8, true);
     gpiohs::set_direction(8, gpio::direction::OUTPUT);
-    let mut wifi_serial = p.UART1.configure((p.pins.pin7, p.pins.pin6), DEFAULT_BAUD.bps(), &clocks);
+    let mut wifi_serial = p.UART1.configure(DEFAULT_BAUD.bps(), &clocks);
     let (mut wtx, mut wrx) = wifi_serial.split();
 
     // Relay characters between UARTs
@@ -46,8 +48,8 @@ fn main() -> ! {
             // OOB restores safe baudrate for UARTHS, to be sure we're able to recover from
             // sync failures
             let mut rate = DEFAULT_BAUD;
-            let (userial, pins) = Serial::join(tx, rx).free();
-            serial = userial.configure(pins, rate.bps(), &clocks);
+            let userial = Serial::join(tx, rx).free();
+            serial = userial.configure(rate.bps(), &clocks);
             let s = serial.split();
             tx = s.0;
             rx = s.1;
@@ -59,8 +61,8 @@ fn main() -> ! {
                     rate = u32::from(d[0]) | (u32::from(d[1]) << 8) | (u32::from(d[2]) << 16) | (u32::from(d[3]) << 24);
 
                     // re-configure UARTHS at new rate
-                    let (userial, pins) = Serial::join(tx, rx).free();
-                    serial = userial.configure(pins, rate.bps(), &clocks);
+                    let userial = Serial::join(tx, rx).free();
+                    serial = userial.configure(rate.bps(), &clocks);
                     let s = serial.split();
                     tx = s.0;
                     rx = s.1;
@@ -73,8 +75,8 @@ fn main() -> ! {
                 _ => {}
             }
             // re-configure UART1
-            let (wifi_userial, wifi_pins) = Serial::join(wtx, wrx).free();
-            wifi_serial = wifi_userial.configure(wifi_pins, rate.bps(), &clocks);
+            let wifi_userial = Serial::join(wtx, wrx).free();
+            wifi_serial = wifi_userial.configure(rate.bps(), &clocks);
             let s = wifi_serial.split();
             wtx = s.0;
             wrx = s.1;
diff --git a/rust/voxel/Cargo.toml b/rust/voxel/Cargo.toml
index 33a3002..cf40ff0 100644
--- a/rust/voxel/Cargo.toml
+++ b/rust/voxel/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["W.J. van der Laan <laanwj@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/voxel/src/main.rs b/rust/voxel/src/main.rs
index 67e19dd..30819b9 100644
--- a/rust/voxel/src/main.rs
+++ b/rust/voxel/src/main.rs
@@ -7,7 +7,7 @@ use libm::F32Ext;
 
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
-use k210_hal::Peripherals;
+use k210_hal::pac::Peripherals;
 use k210_shared::board::def::{io, DISP_HEIGHT, DISP_PIXELS, DISP_WIDTH, MSA300_SLV_ADDR,MSA300_ADDR_BITS,MSA300_CLK};
 use k210_shared::board::lcd::{self, LCD, LCDHL};
 use k210_shared::board::lcd_colors;
@@ -178,7 +178,7 @@ fn main() -> ! {
     // Configure UART
     let serial = p
         .UARTHS
-        .configure((p.pins.pin5, p.pins.pin4), 115_200.bps(), &clocks);
+        .configure(115_200.bps(), &clocks);
     let (mut tx, _) = serial.split();
 
     let mut stdout = Stdout(&mut tx);
diff --git a/rust/weather/.cargo/config b/rust/weather/.cargo/config
deleted file mode 100644
index 27904bc..0000000
--- a/rust/weather/.cargo/config
+++ /dev/null
@@ -1,4 +0,0 @@
-[target.riscv64gc-unknown-none-elf]
-rustflags = [
-  "-C", "link-arg=-Ttrap.x",
-]
diff --git a/rust/weather/Cargo.toml b/rust/weather/Cargo.toml
index 82fe12d..e20095a 100644
--- a/rust/weather/Cargo.toml
+++ b/rust/weather/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 embedded-hal = { version = "0.2.1", features = ["unproven"] }
 nb = "0.1.1"
-riscv-rt = "0.6"
+riscv-rt = "0.7"
 k210-hal = "0.2.0"
 riscv = "0.5"
 k210-shared = { path = "../k210-shared" }
diff --git a/rust/weather/src/main.rs b/rust/weather/src/main.rs
index dd93b86..e0ae80a 100644
--- a/rust/weather/src/main.rs
+++ b/rust/weather/src/main.rs
@@ -8,7 +8,7 @@ use core::str;
 use esp8266at::handler::{NetworkEvent, SerialNetworkHandler};
 use esp8266at::response::{parse, ConnectionType, ParseResult};
 use esp8266at::traits::{self, Write};
-use k210_hal::{Peripherals, pac};
+use k210_hal::pac;
 use k210_hal::prelude::*;
 use k210_hal::stdout::Stdout;
 use k210_shared::board::def::io;
@@ -106,7 +106,7 @@ fn show_uart_info(debug: &mut dyn core::fmt::Write, uart: *const pac::uart1::Reg
 
 #[entry]
 fn main() -> ! {
-    let p = Peripherals::take().unwrap();
+    let p = pac::Peripherals::take().unwrap();
     sysctl::pll_set_freq(sysctl::pll::PLL0, 800_000_000).unwrap();
     sysctl::pll_set_freq(sysctl::pll::PLL1, 300_000_000).unwrap();
     sysctl::pll_set_freq(sysctl::pll::PLL2, 45_158_400).unwrap();
@@ -116,7 +116,7 @@ fn main() -> ! {
     io_init();
 
     // Configure UARTHS (→host)
-    let serial = p.UARTHS.configure((p.pins.pin5, p.pins.pin4), DEFAULT_BAUD.bps(), &clocks);
+    let serial = p.UARTHS.configure(DEFAULT_BAUD.bps(), &clocks);
     let (mut tx, mut _rx) = serial.split();
     let mut debug = Stdout(&mut tx);