diff --git a/on-target-tests/Cargo.toml b/on-target-tests/Cargo.toml
index e41f09bba..50a734bd9 100644
--- a/on-target-tests/Cargo.toml
+++ b/on-target-tests/Cargo.toml
@@ -48,7 +48,7 @@ name = "gpio"
 [dependencies]
 cortex-m = "0.7"
 cortex-m-rt = "0.7"
-critical-section = "1.0.0"
+critical-section = "1.2.0"
 defmt = "0.3"
 defmt-rtt = "0.4"
 defmt-test = "0.3.1"
diff --git a/rp-binary-info/src/lib.rs b/rp-binary-info/src/lib.rs
index a36f027a5..6d20a2483 100644
--- a/rp-binary-info/src/lib.rs
+++ b/rp-binary-info/src/lib.rs
@@ -106,6 +106,7 @@ extern "C" {
 #[link_section = ".boot_info"]
 #[cfg(feature = "binary-info")]
 #[used]
+#[allow(unused_unsafe)] // addr_of! is safe since rust 1.82.0
 pub static PICOTOOL_HEADER: Header = unsafe {
     Header::new(
         core::ptr::addr_of!(__bi_entries_start),
diff --git a/rp2040-hal-examples/Cargo.toml b/rp2040-hal-examples/Cargo.toml
index 6e524fab9..f4f6024a1 100644
--- a/rp2040-hal-examples/Cargo.toml
+++ b/rp2040-hal-examples/Cargo.toml
@@ -15,7 +15,7 @@ version = "0.1.0"
 cortex-m = "0.7.2"
 cortex-m-rt = "0.7"
 cortex-m-rtic = "1.1.4"
-critical-section = {version = "1.0.0"}
+critical-section = {version = "1.2.0"}
 defmt = "0.3"
 defmt-rtt = "0.4.0"
 dht-sensor = "0.2.1"
diff --git a/rp2040-hal/Cargo.toml b/rp2040-hal/Cargo.toml
index 858ca79f9..51204d962 100644
--- a/rp2040-hal/Cargo.toml
+++ b/rp2040-hal/Cargo.toml
@@ -21,7 +21,7 @@ targets = ["thumbv6m-none-eabi"]
 # Non-optional dependencies. Keep these sorted by name.
 bitfield = {version = "0.14.0"}
 cortex-m = "0.7.2"
-critical-section = {version = "1.0.0"}
+critical-section = {version = "1.2.0"}
 embedded-dma = "0.2.0"
 embedded-hal = "1.0.0"
 embedded-hal-async = "1.0.0"
diff --git a/rp2040-hal/src/gpio/func.rs b/rp2040-hal/src/gpio/func.rs
index f988bbb85..1c9f0d91b 100644
--- a/rp2040-hal/src/gpio/func.rs
+++ b/rp2040-hal/src/gpio/func.rs
@@ -80,6 +80,7 @@ macro_rules! pin_func {
     ($($fn:ident $(as $alias:ident)?),*) => {
         $(paste! {
             /// Type-level `variant` for pin [`Function`].
+            #[derive(Debug)]
             pub struct [<Function $fn>](pub(super) ());
             impl Function for [<Function $fn>] {}
             impl func_sealed::Function for [<Function $fn>] {
@@ -106,6 +107,7 @@ pin_func!(Xip, Spi, Uart, I2c as I2C, Pwm, Pio0, Pio1, Clock, Usb, Null);
 //==============================================================================
 
 /// Type-level `variant` for pin [`Function`].
+#[derive(Debug)]
 pub struct FunctionSio<C>(PhantomData<C>);
 impl<C: SioConfig> Function for FunctionSio<C> {}
 impl<C: SioConfig> func_sealed::Function for FunctionSio<C> {
@@ -128,12 +130,14 @@ pub trait SioConfig {
 }
 
 /// Type-level `variant` for SIO configuration.
+#[derive(Debug)]
 pub enum SioInput {}
 impl SioConfig for SioInput {
     #[allow(missing_docs)]
     const DYN: DynSioConfig = DynSioConfig::Input;
 }
 /// Type-level `variant` for SIO configuration.
+#[derive(Debug)]
 pub enum SioOutput {}
 impl SioConfig for SioOutput {
     #[allow(missing_docs)]
diff --git a/rp2040-hal/src/gpio/mod.rs b/rp2040-hal/src/gpio/mod.rs
index 71a346682..d37469c44 100644
--- a/rp2040-hal/src/gpio/mod.rs
+++ b/rp2040-hal/src/gpio/mod.rs
@@ -158,6 +158,7 @@ pub enum OutputOverride {
 
 /// Represents a pin, with a given ID (e.g. Gpio3), a given function (e.g. FunctionUart) and a given pull type
 /// (e.g. pull-down).
+#[derive(Debug)]
 pub struct Pin<I: PinId, F: func::Function, P: PullType> {
     id: I,
     function: F,
@@ -1081,6 +1082,7 @@ macro_rules! gpio {
     (struct: $bank:ident $prefix:ident $($PXi:ident, $id:expr, $func:ident, $pull_type:ident),*) => {
         paste::paste!{
                 /// Collection of all the individual [`Pin`]s
+                #[derive(Debug)]
                 pub struct Pins {
                     _io: [<IO_ $bank:upper>],
                     _pads: [<PADS_ $bank:upper>],
diff --git a/rp2040-hal/src/gpio/pin.rs b/rp2040-hal/src/gpio/pin.rs
index 1f3689555..bcdb89872 100644
--- a/rp2040-hal/src/gpio/pin.rs
+++ b/rp2040-hal/src/gpio/pin.rs
@@ -88,6 +88,7 @@ macro_rules! pin_ids {
         paste::paste!{
             $(
                 #[doc = "Type level variant for the pin `" $name "` in bank `" $prefix "`."]
+                #[derive(Debug)]
                 pub struct [<$prefix $name>] (pub(crate) ());
                 impl crate::typelevel::Sealed for [<$prefix $name>] {}
                 impl PinId for [<$prefix $name>] {
diff --git a/rp2040-hal/src/gpio/pull.rs b/rp2040-hal/src/gpio/pull.rs
index e120bd8bd..d98e0f81a 100644
--- a/rp2040-hal/src/gpio/pull.rs
+++ b/rp2040-hal/src/gpio/pull.rs
@@ -47,6 +47,7 @@ macro_rules! pin_pull_type {
     ($($pull_type:ident),*) => {
         $(paste! {
             /// Type-level `variant` of [`PullType`].
+            #[derive(Debug)]
             pub struct [<Pull $pull_type>](pub(super) ());
             impl PullType for [<Pull $pull_type>] {}
             impl pull_sealed::PullType for [<Pull $pull_type>] {
diff --git a/rp2040-hal/src/sio.rs b/rp2040-hal/src/sio.rs
index 13fbfcc0e..b817ffb0c 100644
--- a/rp2040-hal/src/sio.rs
+++ b/rp2040-hal/src/sio.rs
@@ -35,26 +35,31 @@ pub enum CoreId {
 }
 
 /// Marker struct for ownership of SIO gpio bank0
+#[derive(Debug)]
 pub struct SioGpioBank0 {
     _private: (),
 }
 
 /// Marker struct for ownership of SIO FIFO
+#[derive(Debug)]
 pub struct SioFifo {
     _private: (),
 }
 
 /// Marker struct for ownership of SIO gpio qspi
+#[derive(Debug)]
 pub struct SioGpioQspi {
     _private: (),
 }
 
 /// Marker struct for ownership of divide/modulo module
+#[derive(Debug)]
 pub struct HwDivider {
     _private: (),
 }
 
 /// Result of divide/modulo operation
+#[derive(Debug)]
 pub struct DivResult<T> {
     /// The quotient of divide/modulo operation
     pub quotient: T,
diff --git a/rp2040-hal/src/spi.rs b/rp2040-hal/src/spi.rs
index 0969b1e6b..58425ab20 100644
--- a/rp2040-hal/src/spi.rs
+++ b/rp2040-hal/src/spi.rs
@@ -248,10 +248,10 @@ impl<S: State, D: SpiDevice, P: ValidSpiPinout<D>, const DS: u8> Spi<S, D, P, DS
         (freq_in / (prescale as u32 * (1 + postdiv as u32))).Hz()
     }
 
-    /// Set format and datasize
-    pub fn set_format(&mut self, data_bits: u8, frame_format: FrameFormat) {
+    /// Set format
+    pub fn set_format(&mut self, frame_format: FrameFormat) {
         self.device.sspcr0().modify(|_, w| unsafe {
-            w.dss().bits(data_bits - 1).frf().bits(match &frame_format {
+            w.dss().bits(DS - 1).frf().bits(match &frame_format {
                 FrameFormat::MotorolaSpi(_) => 0x00,
                 FrameFormat::TexasInstrumentsSynchronousSerial => 0x01,
                 FrameFormat::NationalSemiconductorMicrowire => 0x10,
@@ -309,7 +309,7 @@ impl<D: SpiDevice, P: ValidSpiPinout<D>, const DS: u8> Spi<Disabled, D, P, DS> {
         self.device.reset_bring_up(resets);
 
         self.set_baudrate(peri_frequency, baudrate);
-        self.set_format(DS, frame_format);
+        self.set_format(frame_format);
         self.set_slave(slave);
         // Always enable DREQ signals -- harmless if DMA is not listening
         self.device
diff --git a/rp235x-hal-examples/Cargo.toml b/rp235x-hal-examples/Cargo.toml
index f9a1295cb..cb13a278b 100644
--- a/rp235x-hal-examples/Cargo.toml
+++ b/rp235x-hal-examples/Cargo.toml
@@ -15,7 +15,7 @@ version = "0.1.0"
 cortex-m = "0.7.2"
 cortex-m-rt = "0.7"
 cortex-m-rtic = "1.1.4"
-critical-section = {version = "1.0.0"}
+critical-section = {version = "1.2.0"}
 defmt = "0.3"
 defmt-rtt = "0.4.0"
 dht-sensor = "0.2.1"
diff --git a/rp235x-hal-examples/src/bin/block_loop.rs b/rp235x-hal-examples/src/bin/block_loop.rs
index c2bc96274..cfd48a2aa 100644
--- a/rp235x-hal-examples/src/bin/block_loop.rs
+++ b/rp235x-hal-examples/src/bin/block_loop.rs
@@ -37,12 +37,14 @@ extern "C" {
 /// Tell the Boot ROM about our application
 #[link_section = ".start_block"]
 #[used]
+#[allow(unused_unsafe)] // addr_of! is safe since rust 1.82.0
 pub static START_IMAGE_DEF: hal::block::ImageDef =
     hal::block::ImageDef::secure_exe().with_offset(unsafe { core::ptr::addr_of!(start_to_end) });
 
 /// A second Block, and the end of the program in flash
 #[link_section = ".end_block"]
 #[used]
+#[allow(unused_unsafe)] // addr_of! is safe since rust 1.82.0
 pub static END_IMAGE_DEF: hal::block::Block<1> =
     // Put a placeholder item in the block.
     hal::block::Block::new([hal::block::item_ignored()])
diff --git a/rp235x-hal/Cargo.toml b/rp235x-hal/Cargo.toml
index a4ba69722..b589ff67f 100644
--- a/rp235x-hal/Cargo.toml
+++ b/rp235x-hal/Cargo.toml
@@ -20,7 +20,7 @@ targets = ["thumbv8m.main-none-eabihf"]
 [dependencies]
 # Non-optional dependencies. Keep these sorted by name.
 bitfield = "0.14.0"
-critical-section = "1.0.0"
+critical-section = "1.2.0"
 embedded-dma = "0.2.0"
 embedded-hal = "1.0.0"
 embedded-hal-async = "1.0.0"
diff --git a/rp235x-hal/src/spi.rs b/rp235x-hal/src/spi.rs
index 61cf85f85..6533e7245 100644
--- a/rp235x-hal/src/spi.rs
+++ b/rp235x-hal/src/spi.rs
@@ -274,10 +274,10 @@ impl<S: State, D: SpiDevice, P: ValidSpiPinout<D>, const DS: u8> Spi<S, D, P, DS
         (freq_in / (prescale as u32 * (1 + postdiv as u32))).Hz()
     }
 
-    /// Set format and datasize
-    pub fn set_format(&mut self, data_bits: u8, frame_format: FrameFormat) {
+    /// Set format
+    pub fn set_format(&mut self, frame_format: FrameFormat) {
         self.device.sspcr0().modify(|_, w| unsafe {
-            w.dss().bits(data_bits - 1).frf().bits(match &frame_format {
+            w.dss().bits(DS - 1).frf().bits(match &frame_format {
                 FrameFormat::MotorolaSpi(_) => 0x00,
                 FrameFormat::TexasInstrumentsSynchronousSerial => 0x01,
                 FrameFormat::NationalSemiconductorMicrowire => 0x10,
@@ -335,7 +335,7 @@ impl<D: SpiDevice, P: ValidSpiPinout<D>, const DS: u8> Spi<Disabled, D, P, DS> {
         self.device.reset_bring_up(resets);
 
         self.set_baudrate(peri_frequency, baudrate);
-        self.set_format(DS, frame_format);
+        self.set_format(frame_format);
         self.set_slave(slave);
         // Always enable DREQ signals -- harmless if DMA is not listening
         self.device