diff --git a/.cargo/config b/.cargo/config.toml
similarity index 100%
rename from .cargo/config
rename to .cargo/config.toml
diff --git a/Cargo.toml b/Cargo.toml
index ef5ad22..f9ffa6a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,23 +13,23 @@ version = "0.3.0"
 edition = "2018"
 
 [package.metadata.docs.rs]
-targets = [ "thumbv7m-none-eabi" ]
+targets = ["thumbv7m-none-eabi"]
 all-features = true
 
 [badges]
 circle-ci = { repository = "jamwaffles/ssd1331", branch = "master" }
 
 [dependencies]
-embedded-hal = "0.2.3"
-embedded-graphics-core = { version = "0.3.2", optional = true }
+embedded-hal = "1.0.0"
+embedded-graphics-core = { version = "0.4.0", optional = true }
 
 [dev-dependencies]
-cortex-m = "0.7.3"
-cortex-m-rt = "0.6.11"
-panic-semihosting = "0.5.3"
-embedded-graphics = "0.7.1"
-tinybmp = "0.3.1"
-stm32f1xx-hal = { version = "0.7.0", features = [ "rt", "stm32f103" ] }
+cortex-m = "0.7.7"
+cortex-m-rt = "0.7.5"
+panic-semihosting = "0.6.0"
+embedded-graphics = "0.8.1"
+tinybmp = "0.6.0"
+stm32f1xx-hal = { version = "0.10.0", features = ["rt", "stm32f103"] }
 
 [features]
 default = ["graphics"]
diff --git a/examples/bmp.rs b/examples/bmp.rs
index 0d211c6..639d4c8 100644
--- a/examples/bmp.rs
+++ b/examples/bmp.rs
@@ -22,12 +22,12 @@
 #![no_std]
 #![no_main]
 
-use cortex_m_rt::{entry, exception, ExceptionFrame};
+use cortex_m::delay::Delay;
+use cortex_m_rt::{entry, exception};
 use embedded_graphics::{geometry::Point, image::Image, pixelcolor::Rgb565, prelude::*};
 use panic_semihosting as _;
 use ssd1331::{DisplayRotation, Ssd1331};
 use stm32f1xx_hal::{
-    delay::Delay,
     prelude::*,
     spi::{Mode, Phase, Polarity, Spi},
     stm32,
@@ -44,22 +44,22 @@ fn main() -> ! {
 
     let clocks = rcc.cfgr.freeze(&mut flash.acr);
 
-    let mut afio = dp.AFIO.constrain(&mut rcc.apb2);
+    let mut afio = dp.AFIO.constrain();
 
-    let mut gpioa = dp.GPIOA.split(&mut rcc.apb2);
-    let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
+    let mut gpioa = dp.GPIOA.split();
+    let mut gpiob = dp.GPIOB.split();
 
     // SPI1
     let sck = gpioa.pa5.into_alternate_push_pull(&mut gpioa.crl);
     let miso = gpioa.pa6;
     let mosi = gpioa.pa7.into_alternate_push_pull(&mut gpioa.crl);
 
-    let mut delay = Delay::new(cp.SYST, clocks);
+    let mut delay = Delay::new(cp.SYST, clocks.hclk().to_Hz());
 
     let mut rst = gpiob.pb0.into_push_pull_output(&mut gpiob.crl);
     let dc = gpiob.pb1.into_push_pull_output(&mut gpiob.crl);
 
-    let spi = Spi::spi1(
+    let mut spi = Spi::spi1(
         dp.SPI1,
         (sck, miso, mosi),
         &mut afio.mapr,
@@ -67,9 +67,8 @@ fn main() -> ! {
             polarity: Polarity::IdleLow,
             phase: Phase::CaptureOnFirstTransition,
         },
-        8.mhz(),
+        8.MHz(),
         clocks,
-        &mut rcc.apb2,
     );
 
     let mut display = Ssd1331::new(spi, dc, DisplayRotation::Rotate0);
diff --git a/examples/graphics.rs b/examples/graphics.rs
index 6c01e40..728fc6a 100644
--- a/examples/graphics.rs
+++ b/examples/graphics.rs
@@ -46,10 +46,10 @@ fn main() -> ! {
 
     let clocks = rcc.cfgr.freeze(&mut flash.acr);
 
-    let mut afio = dp.AFIO.constrain(&mut rcc.apb2);
+    let mut afio = dp.AFIO.constrain();
 
-    let mut gpioa = dp.GPIOA.split(&mut rcc.apb2);
-    let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
+    let mut gpioa = dp.GPIOA.split();
+    let mut gpiob = dp.GPIOB.split();
 
     // SPI1
     let sck = gpioa.pa5.into_alternate_push_pull(&mut gpioa.crl);
@@ -71,7 +71,6 @@ fn main() -> ! {
         },
         8.mhz(),
         clocks,
-        &mut rcc.apb2,
     );
 
     let mut display = Ssd1331::new(spi, dc, Rotate0);
@@ -105,6 +104,6 @@ fn main() -> ! {
 }
 
 #[exception]
-fn HardFault(ef: &ExceptionFrame) -> ! {
+unsafe fn HardFault(ef: &ExceptionFrame) -> ! {
     panic!("{:#?}", ef);
 }
diff --git a/examples/rotation.rs b/examples/rotation.rs
index 54009ba..81aa440 100644
--- a/examples/rotation.rs
+++ b/examples/rotation.rs
@@ -46,10 +46,10 @@ fn main() -> ! {
 
     let clocks = rcc.cfgr.freeze(&mut flash.acr);
 
-    let mut afio = dp.AFIO.constrain(&mut rcc.apb2);
+    let mut afio = dp.AFIO.constrain();
 
-    let mut gpioa = dp.GPIOA.split(&mut rcc.apb2);
-    let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
+    let mut gpioa = dp.GPIOA.split();
+    let mut gpiob = dp.GPIOB.split();
 
     // SPI1
     let sck = gpioa.pa5.into_alternate_push_pull(&mut gpioa.crl);
@@ -71,7 +71,6 @@ fn main() -> ! {
         },
         8.mhz(),
         clocks,
-        &mut rcc.apb2,
     );
 
     // Initialise the display with a default rotation of 90 degrees
@@ -98,6 +97,6 @@ fn main() -> ! {
 }
 
 #[exception]
-fn HardFault(ef: &ExceptionFrame) -> ! {
+unsafe fn HardFault(ef: &ExceptionFrame) -> ! {
     panic!("{:#?}", ef);
 }
diff --git a/examples/text.rs b/examples/text.rs
index 06aa44a..66f14d7 100644
--- a/examples/text.rs
+++ b/examples/text.rs
@@ -50,10 +50,10 @@ fn main() -> ! {
 
     let clocks = rcc.cfgr.freeze(&mut flash.acr);
 
-    let mut afio = dp.AFIO.constrain(&mut rcc.apb2);
+    let mut afio = dp.AFIO.constrain();
 
-    let mut gpioa = dp.GPIOA.split(&mut rcc.apb2);
-    let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
+    let mut gpioa = dp.GPIOA.split();
+    let mut gpiob = dp.GPIOB.split();
 
     // SPI1
     let sck = gpioa.pa5.into_alternate_push_pull(&mut gpioa.crl);
@@ -65,7 +65,7 @@ fn main() -> ! {
     let mut rst = gpiob.pb0.into_push_pull_output(&mut gpiob.crl);
     let dc = gpiob.pb1.into_push_pull_output(&mut gpiob.crl);
 
-    let spi = Spi::spi1(
+    let spi = Spi::new(
         dp.SPI1,
         (sck, miso, mosi),
         &mut afio.mapr,
@@ -73,12 +73,11 @@ fn main() -> ! {
             polarity: Polarity::IdleLow,
             phase: Phase::CaptureOnFirstTransition,
         },
-        8.mhz(),
+        8.MHz(),
         clocks,
-        &mut rcc.apb2,
     );
 
-    let mut display = Ssd1331::new(spi, dc, Rotate0);
+    let mut display = Ssd1331::new(spi.into(), dc, Rotate0);
 
     display.reset(&mut rst, &mut delay).unwrap();
     display.init().unwrap();
@@ -115,6 +114,6 @@ fn main() -> ! {
 }
 
 #[exception]
-fn HardFault(ef: &ExceptionFrame) -> ! {
+unsafe fn HardFault(ef: &ExceptionFrame) -> ! {
     panic!("{:#?}", ef);
 }
diff --git a/src/command.rs b/src/command.rs
index 7832d33..3988ac3 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -1,7 +1,8 @@
 // Shamefully taken from https://github.com/EdgewaterDevelopment/rust-ssd1331
 
 use crate::error::Error;
-use embedded_hal::digital::v2::OutputPin;
+use embedded_hal::digital::OutputPin;
+use hal::spi::SpiBus;
 
 /// SSD1331 Commands
 #[derive(Debug)]
@@ -57,7 +58,7 @@ impl Command {
         dc: &mut DC,
     ) -> Result<(), Error<CommE, PinE>>
     where
-        SPI: hal::blocking::spi::Write<u8, Error = CommE>,
+        SPI: SpiBus<Error = CommE>,
         DC: OutputPin<Error = PinE>,
     {
         // Transform command into a fixed size array of 7 u8 and the real length for sending
diff --git a/src/display.rs b/src/display.rs
index 19753a9..1427683 100644
--- a/src/display.rs
+++ b/src/display.rs
@@ -1,4 +1,4 @@
-use hal::{blocking::delay::DelayMs, digital::v2::OutputPin};
+use hal::{delay::DelayNs, digital::OutputPin, spi::SpiBus};
 
 use crate::{
     command::{AddressIncrementMode, ColorMode, Command, VcomhLevel},
@@ -101,7 +101,7 @@ pub struct Ssd1331<SPI, DC> {
 
 impl<SPI, DC, CommE, PinE> Ssd1331<SPI, DC>
 where
-    SPI: hal::blocking::spi::Write<u8, Error = CommE>,
+    SPI: SpiBus<Error = CommE>,
     DC: OutputPin<Error = PinE>,
 {
     /// Create new display instance
@@ -161,7 +161,7 @@ where
     ) -> Result<(), Error<CommE, PinE>>
     where
         RST: OutputPin<Error = PinE>,
-        DELAY: DelayMs<u8>,
+        DELAY: DelayNs,
     {
         rst.set_high().map_err(Error::Pin)?;
         delay.delay_ms(1);
@@ -195,7 +195,7 @@ where
         end: (u8, u8),
     ) -> Result<(), Error<CommE, PinE>> {
         Command::ColumnAddress(start.0, end.0).send(&mut self.spi, &mut self.dc)?;
-        Command::RowAddress(start.1.into(), (end.1).into()).send(&mut self.spi, &mut self.dc)?;
+        Command::RowAddress(start.1, end.1).send(&mut self.spi, &mut self.dc)?;
         Ok(())
     }
 
@@ -373,7 +373,7 @@ use embedded_graphics_core::{
 #[cfg(feature = "graphics")]
 impl<SPI, DC> DrawTarget for Ssd1331<SPI, DC>
 where
-    SPI: hal::blocking::spi::Write<u8>,
+    SPI: SpiBus,
     DC: OutputPin,
 {
     type Color = Rgb565;
@@ -399,7 +399,7 @@ where
 #[cfg(feature = "graphics")]
 impl<SPI, DC> OriginDimensions for Ssd1331<SPI, DC>
 where
-    SPI: hal::blocking::spi::Write<u8>,
+    SPI: SpiBus,
     DC: OutputPin,
 {
     fn size(&self) -> Size {
diff --git a/src/test_helpers.rs b/src/test_helpers.rs
index 9ac805e..8ad1847 100644
--- a/src/test_helpers.rs
+++ b/src/test_helpers.rs
@@ -1,42 +1,42 @@
 //! Helpers for use in examples and tests
 
-use embedded_hal::{
-    blocking::spi::{self, Transfer},
-    digital::v2::OutputPin,
-};
+use hal::{digital::OutputPin, spi::SpiDevice};
 
 #[allow(dead_code)]
 #[derive(Debug, Clone, Copy)]
 pub struct Spi;
 
-impl spi::Write<u8> for Spi {
-    type Error = ();
-
-    fn write(&mut self, _buf: &[u8]) -> Result<(), ()> {
+impl SpiDevice for Spi {
+    fn transaction(
+        &mut self,
+        _operations: &mut [hal::spi::Operation<'_, u8>],
+    ) -> Result<(), Self::Error> {
         Ok(())
     }
-}
 
-impl Transfer<u8> for Spi {
-    type Error = ();
-
-    fn transfer<'a>(&mut self, buf: &'a mut [u8]) -> Result<&'a [u8], ()> {
-        Ok(buf)
+    fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> Result<(), Self::Error> {
+        self.transaction(&mut [hal::spi::Operation::Transfer(read, write)])
     }
 }
 
+impl hal::spi::ErrorType for Spi {
+    type Error = hal::spi::ErrorKind;
+}
+
 #[allow(dead_code)]
 #[derive(Debug, Clone, Copy)]
 pub struct Pin;
 
-impl OutputPin for Pin {
-    type Error = ();
+impl hal::digital::ErrorType for Pin {
+    type Error = hal::digital::ErrorKind;
+}
 
-    fn set_high(&mut self) -> Result<(), ()> {
+impl OutputPin for Pin {
+    fn set_low(&mut self) -> Result<(), Self::Error> {
         Ok(())
     }
 
-    fn set_low(&mut self) -> Result<(), ()> {
+    fn set_high(&mut self) -> Result<(), Self::Error> {
         Ok(())
     }
 }