48 files changed, 139 insertions, 19 deletions

diff --git a/examples/boot/application/nrf/Cargo.toml b/examples/boot/application/nrf/Cargo.toml
index b9ff92578..a5d82b601 100644
--- a/examples/boot/application/nrf/Cargo.toml
+++ b/examples/boot/application/nrf/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-nrf-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync" }
diff --git a/examples/boot/application/stm32f3/Cargo.toml b/examples/boot/application/stm32f3/Cargo.toml
index ce1e6fe4a..3a1843562 100644
--- a/examples/boot/application/stm32f3/Cargo.toml
+++ b/examples/boot/application/stm32f3/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32f3-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync", features = ["defmt"] }
diff --git a/examples/boot/application/stm32f3/src/bin/a.rs b/examples/boot/application/stm32f3/src/bin/a.rs
index fdbd5ab99..d92d59b29 100644
--- a/examples/boot/application/stm32f3/src/bin/a.rs
+++ b/examples/boot/application/stm32f3/src/bin/a.rs
@@ -17,7 +17,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let flash = Flash::unlock(p.FLASH);
+    let flash = Flash::new(p.FLASH);
     let mut flash = BlockingAsync::new(flash);
 
     let button = Input::new(p.PC13, Pull::Up);
diff --git a/examples/boot/application/stm32f7/Cargo.toml b/examples/boot/application/stm32f7/Cargo.toml
index 2fc7ae834..8d9c4490e 100644
--- a/examples/boot/application/stm32f7/Cargo.toml
+++ b/examples/boot/application/stm32f7/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32f7-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync", features = ["defmt"] }
diff --git a/examples/boot/application/stm32f7/src/bin/a.rs b/examples/boot/application/stm32f7/src/bin/a.rs
index 77b897b0f..79ab80e09 100644
--- a/examples/boot/application/stm32f7/src/bin/a.rs
+++ b/examples/boot/application/stm32f7/src/bin/a.rs
@@ -16,7 +16,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let mut flash = Flash::unlock(p.FLASH);
+    let mut flash = Flash::new(p.FLASH);
 
     let button = Input::new(p.PC13, Pull::Down);
     let mut button = ExtiInput::new(button, p.EXTI13);
diff --git a/examples/boot/application/stm32h7/Cargo.toml b/examples/boot/application/stm32h7/Cargo.toml
index fd809714a..b4314aa72 100644
--- a/examples/boot/application/stm32h7/Cargo.toml
+++ b/examples/boot/application/stm32h7/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32h7-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync" }
diff --git a/examples/boot/application/stm32h7/src/bin/a.rs b/examples/boot/application/stm32h7/src/bin/a.rs
index 0fe598a5d..8b452be34 100644
--- a/examples/boot/application/stm32h7/src/bin/a.rs
+++ b/examples/boot/application/stm32h7/src/bin/a.rs
@@ -16,7 +16,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let mut flash = Flash::unlock(p.FLASH);
+    let mut flash = Flash::new(p.FLASH);
 
     let button = Input::new(p.PC13, Pull::Down);
     let mut button = ExtiInput::new(button, p.EXTI13);
diff --git a/examples/boot/application/stm32l0/Cargo.toml b/examples/boot/application/stm32l0/Cargo.toml
index 470eca52a..a17d336a6 100644
--- a/examples/boot/application/stm32l0/Cargo.toml
+++ b/examples/boot/application/stm32l0/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32l0-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync", features = ["defmt"] }
diff --git a/examples/boot/application/stm32l0/src/bin/a.rs b/examples/boot/application/stm32l0/src/bin/a.rs
index f0b0b80e3..59ca34386 100644
--- a/examples/boot/application/stm32l0/src/bin/a.rs
+++ b/examples/boot/application/stm32l0/src/bin/a.rs
@@ -18,7 +18,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let flash = Flash::unlock(p.FLASH);
+    let flash = Flash::new(p.FLASH);
     let mut flash = BlockingAsync::new(flash);
 
     let button = Input::new(p.PB2, Pull::Up);
diff --git a/examples/boot/application/stm32l1/Cargo.toml b/examples/boot/application/stm32l1/Cargo.toml
index 2b4b29357..683f2c860 100644
--- a/examples/boot/application/stm32l1/Cargo.toml
+++ b/examples/boot/application/stm32l1/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32l1-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync", features = ["defmt"] }
diff --git a/examples/boot/application/stm32l1/src/bin/a.rs b/examples/boot/application/stm32l1/src/bin/a.rs
index f0b0b80e3..59ca34386 100644
--- a/examples/boot/application/stm32l1/src/bin/a.rs
+++ b/examples/boot/application/stm32l1/src/bin/a.rs
@@ -18,7 +18,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let flash = Flash::unlock(p.FLASH);
+    let flash = Flash::new(p.FLASH);
     let mut flash = BlockingAsync::new(flash);
 
     let button = Input::new(p.PB2, Pull::Up);
diff --git a/examples/boot/application/stm32l4/Cargo.toml b/examples/boot/application/stm32l4/Cargo.toml
index 40bddd194..b879c0d76 100644
--- a/examples/boot/application/stm32l4/Cargo.toml
+++ b/examples/boot/application/stm32l4/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32l4-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync", features = ["defmt"] }
diff --git a/examples/boot/application/stm32l4/src/bin/a.rs b/examples/boot/application/stm32l4/src/bin/a.rs
index 5119bad2e..6cddc6cc8 100644
--- a/examples/boot/application/stm32l4/src/bin/a.rs
+++ b/examples/boot/application/stm32l4/src/bin/a.rs
@@ -17,7 +17,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let flash = Flash::unlock(p.FLASH);
+    let flash = Flash::new(p.FLASH);
     let mut flash = BlockingAsync::new(flash);
 
     let button = Input::new(p.PC13, Pull::Up);
diff --git a/examples/boot/application/stm32wl/Cargo.toml b/examples/boot/application/stm32wl/Cargo.toml
index 5b4a61e8f..e3bc0e49c 100644
--- a/examples/boot/application/stm32wl/Cargo.toml
+++ b/examples/boot/application/stm32wl/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-boot-stm32wl-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync", features = ["defmt"] }
diff --git a/examples/boot/application/stm32wl/src/bin/a.rs b/examples/boot/application/stm32wl/src/bin/a.rs
index faa650778..1ff47eddd 100644
--- a/examples/boot/application/stm32wl/src/bin/a.rs
+++ b/examples/boot/application/stm32wl/src/bin/a.rs
@@ -17,7 +17,7 @@ static APP_B: &[u8] = include_bytes!("../../b.bin");
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    let flash = Flash::unlock(p.FLASH);
+    let flash = Flash::new(p.FLASH);
     let mut flash = BlockingAsync::new(flash);
 
     let button = Input::new(p.PA0, Pull::Up);
diff --git a/examples/boot/bootloader/nrf/Cargo.toml b/examples/boot/bootloader/nrf/Cargo.toml
index aa2a13ecb..b417a40d1 100644
--- a/examples/boot/bootloader/nrf/Cargo.toml
+++ b/examples/boot/bootloader/nrf/Cargo.toml
@@ -3,6 +3,7 @@ edition = "2021"
 name = "nrf-bootloader-example"
 version = "0.1.0"
 description = "Bootloader for nRF chips"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 defmt = { version = "0.3", optional = true }
diff --git a/examples/boot/bootloader/stm32/Cargo.toml b/examples/boot/bootloader/stm32/Cargo.toml
index 491777103..4ddd1c99c 100644
--- a/examples/boot/bootloader/stm32/Cargo.toml
+++ b/examples/boot/bootloader/stm32/Cargo.toml
@@ -3,6 +3,7 @@ edition = "2021"
 name = "stm32-bootloader-example"
 version = "0.1.0"
 description = "Example bootloader for STM32 chips"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 defmt = { version = "0.3", optional = true }
diff --git a/examples/boot/bootloader/stm32/src/main.rs b/examples/boot/bootloader/stm32/src/main.rs
index 294464d1c..4b17cd799 100644
--- a/examples/boot/bootloader/stm32/src/main.rs
+++ b/examples/boot/bootloader/stm32/src/main.rs
@@ -20,7 +20,7 @@ fn main() -> ! {
     */
 
     let mut bl: BootLoader<ERASE_SIZE, WRITE_SIZE> = BootLoader::default();
-    let flash = Flash::unlock(p.FLASH);
+    let flash = Flash::new(p.FLASH);
     let mut flash = BootFlash::<_, ERASE_SIZE, ERASE_VALUE>::new(flash);
     let start = bl.prepare(&mut SingleFlashConfig::new(&mut flash));
     core::mem::drop(flash);
diff --git a/examples/nrf-rtos-trace/Cargo.toml b/examples/nrf-rtos-trace/Cargo.toml
index 87c9f33f5..d8c24dfad 100644
--- a/examples/nrf-rtos-trace/Cargo.toml
+++ b/examples/nrf-rtos-trace/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-nrf-rtos-trace-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [features]
 default = ["log", "nightly"]
diff --git a/examples/nrf/Cargo.toml b/examples/nrf/Cargo.toml
index a5d340c69..9ebd04845 100644
--- a/examples/nrf/Cargo.toml
+++ b/examples/nrf/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-nrf-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [features]
 default = ["nightly"]
diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index 3c8f923e7..a5af8b2f0 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-rp-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 
 [dependencies]
@@ -26,7 +27,7 @@ st7789 = "0.6.1"
 display-interface = "0.4.1"
 byte-slice-cast = { version = "1.2.0", default-features = false }
 
-embedded-hal-1 = { package = "embedded-hal", version = "1.0.0-alpha.8" }
+embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
 embedded-hal-async = { version = "0.1.0-alpha.1" }
 embedded-io = { version = "0.3.0", features = ["async", "defmt"] }
 static_cell = "1.0.0"
diff --git a/examples/rp/src/bin/i2c_blocking.rs b/examples/rp/src/bin/i2c_blocking.rs
new file mode 100644
index 000000000..7623e33c8
--- /dev/null
+++ b/examples/rp/src/bin/i2c_blocking.rs
@@ -0,0 +1,70 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_rp::i2c::{self, Config};
+use embassy_time::{Duration, Timer};
+use embedded_hal_1::i2c::I2c;
+use {defmt_rtt as _, panic_probe as _};
+
+#[allow(dead_code)]
+mod mcp23017 {
+    pub const ADDR: u8 = 0x20; // default addr
+
+    pub const IODIRA: u8 = 0x00;
+    pub const IPOLA: u8 = 0x02;
+    pub const GPINTENA: u8 = 0x04;
+    pub const DEFVALA: u8 = 0x06;
+    pub const INTCONA: u8 = 0x08;
+    pub const IOCONA: u8 = 0x0A;
+    pub const GPPUA: u8 = 0x0C;
+    pub const INTFA: u8 = 0x0E;
+    pub const INTCAPA: u8 = 0x10;
+    pub const GPIOA: u8 = 0x12;
+    pub const OLATA: u8 = 0x14;
+    pub const IODIRB: u8 = 0x01;
+    pub const IPOLB: u8 = 0x03;
+    pub const GPINTENB: u8 = 0x05;
+    pub const DEFVALB: u8 = 0x07;
+    pub const INTCONB: u8 = 0x09;
+    pub const IOCONB: u8 = 0x0B;
+    pub const GPPUB: u8 = 0x0D;
+    pub const INTFB: u8 = 0x0F;
+    pub const INTCAPB: u8 = 0x11;
+    pub const GPIOB: u8 = 0x13;
+    pub const OLATB: u8 = 0x15;
+}
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+
+    let sda = p.PIN_14;
+    let scl = p.PIN_15;
+
+    info!("set up i2c ");
+    let mut i2c = i2c::I2c::new_blocking(p.I2C1, scl, sda, Config::default());
+
+    use mcp23017::*;
+
+    info!("init mcp23017 config for IxpandO");
+    // init - a outputs, b inputs
+    i2c.write(ADDR, &[IODIRA, 0x00]).unwrap();
+    i2c.write(ADDR, &[IODIRB, 0xff]).unwrap();
+    i2c.write(ADDR, &[GPPUB, 0xff]).unwrap(); // pullups
+
+    let mut val = 0xaa;
+    loop {
+        let mut portb = [0];
+
+        i2c.write(mcp23017::ADDR, &[GPIOA, val]).unwrap();
+        i2c.write_read(mcp23017::ADDR, &[GPIOB], &mut portb).unwrap();
+
+        info!("portb = {:02x}", portb[0]);
+        val = !val;
+
+        Timer::after(Duration::from_secs(1)).await;
+    }
+}
diff --git a/examples/std/Cargo.toml b/examples/std/Cargo.toml
index dbfd9d625..b9bd1e718 100644
--- a/examples/std/Cargo.toml
+++ b/examples/std/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-std-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["log"] }
diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index c82b79c86..a56c546ee 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -2,6 +2,7 @@
 name = "embassy-stm32f0-examples"
 version = "0.1.0"
 edition = "2021"
+license = "MIT OR Apache-2.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index e6553789a..6be131f30 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32f1-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32f2/Cargo.toml b/examples/stm32f2/Cargo.toml
index 60cd54bd9..f6adda2a3 100644
--- a/examples/stm32f2/Cargo.toml
+++ b/examples/stm32f2/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32f2-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index f5b0b880c..27188dd19 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32f3-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32f3/src/bin/flash.rs b/examples/stm32f3/src/bin/flash.rs
index 2cf24dbd3..baa7484d0 100644
--- a/examples/stm32f3/src/bin/flash.rs
+++ b/examples/stm32f3/src/bin/flash.rs
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
 
     const ADDR: u32 = 0x26000;
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     info!("Reading...");
     let mut buf = [0u8; 8];
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index ea5c47a43..6d4f09fba 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32f4-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 
 [dependencies]
diff --git a/examples/stm32f4/src/bin/adc.rs b/examples/stm32f4/src/bin/adc.rs
index 871185074..1d030f7dc 100644
--- a/examples/stm32f4/src/bin/adc.rs
+++ b/examples/stm32f4/src/bin/adc.rs
@@ -2,9 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
+use cortex_m::prelude::_embedded_hal_blocking_delay_DelayUs;
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::adc::Adc;
+use embassy_stm32::adc::{Adc, Temperature, VrefInt};
 use embassy_time::{Delay, Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -13,12 +14,30 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
-    let mut adc = Adc::new(p.ADC1, &mut Delay);
+    let mut delay = Delay;
+    let mut adc = Adc::new(p.ADC1, &mut delay);
     let mut pin = p.PC1;
 
+    let mut vrefint = adc.enable_vrefint();
+    let mut temp = adc.enable_temperature();
+
+    // Startup delay can be combined to the maximum of either
+    delay.delay_us(Temperature::start_time_us().max(VrefInt::start_time_us()));
+
     loop {
+        // Read pin
         let v = adc.read(&mut pin);
-        info!("--> {} - {} mV", v, adc.to_millivolts(v));
+        info!("PC1: {} ({} mV)", v, adc.to_millivolts(v));
+
+        // Read internal temperature
+        let v = adc.read_internal(&mut temp);
+        let celcius = Temperature::to_celcius(adc.to_millivolts(v));
+        info!("Internal temp: {} ({} C)", v, celcius);
+
+        // Read internal voltage reference
+        let v = adc.read_internal(&mut vrefint);
+        info!("VrefInt: {} ({} mV)", v, adc.to_millivolts(v));
+
         Timer::after(Duration::from_millis(100)).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/flash.rs b/examples/stm32f4/src/bin/flash.rs
index 393d61e86..7ea068a42 100644
--- a/examples/stm32f4/src/bin/flash.rs
+++ b/examples/stm32f4/src/bin/flash.rs
@@ -13,7 +13,7 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Hello Flash!");
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     // Sector 5
     test_flash(&mut f, 128 * 1024, 128 * 1024);
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 6c2f846fe..dad92c0fc 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32f7-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32f7/src/bin/flash.rs b/examples/stm32f7/src/bin/flash.rs
index c10781d0c..4a7bca1fa 100644
--- a/examples/stm32f7/src/bin/flash.rs
+++ b/examples/stm32f7/src/bin/flash.rs
@@ -19,7 +19,7 @@ async fn main(_spawner: Spawner) {
     // wait a bit before accessing the flash
     Timer::after(Duration::from_millis(300)).await;
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     info!("Reading...");
     let mut buf = [0u8; 32];
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index 6baf17f36..f5673718d 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32g0-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32g4/Cargo.toml b/examples/stm32g4/Cargo.toml
index d8c05a979..ecda28805 100644
--- a/examples/stm32g4/Cargo.toml
+++ b/examples/stm32g4/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32g4-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index e725e03cb..1a05b9ecb 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32h7-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32h7/src/bin/flash.rs b/examples/stm32h7/src/bin/flash.rs
index 6682c64d5..ee86bdbf6 100644
--- a/examples/stm32h7/src/bin/flash.rs
+++ b/examples/stm32h7/src/bin/flash.rs
@@ -19,7 +19,7 @@ async fn main(_spawner: Spawner) {
     // wait a bit before accessing the flash
     Timer::after(Duration::from_millis(300)).await;
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     info!("Reading...");
     let mut buf = [0u8; 32];
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index 7e61f0c19..7e1120f48 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32l0-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [features]
 default = ["nightly"]
diff --git a/examples/stm32l0/src/bin/flash.rs b/examples/stm32l0/src/bin/flash.rs
index 867cb4d3e..ffe4fb10b 100644
--- a/examples/stm32l0/src/bin/flash.rs
+++ b/examples/stm32l0/src/bin/flash.rs
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
 
     const ADDR: u32 = 0x26000;
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     info!("Reading...");
     let mut buf = [0u8; 8];
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index a943c73d2..9460febf5 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32l1-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32l1/src/bin/flash.rs b/examples/stm32l1/src/bin/flash.rs
index a76b9879f..476ed51a4 100644
--- a/examples/stm32l1/src/bin/flash.rs
+++ b/examples/stm32l1/src/bin/flash.rs
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
 
     const ADDR: u32 = 0x26000;
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     info!("Reading...");
     let mut buf = [0u8; 8];
diff --git a/examples/stm32l4/Cargo.toml b/examples/stm32l4/Cargo.toml
index 2e2d07dc3..657605ebe 100644
--- a/examples/stm32l4/Cargo.toml
+++ b/examples/stm32l4/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32l4-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [features]
 
diff --git a/examples/stm32l5/Cargo.toml b/examples/stm32l5/Cargo.toml
index 9ebab6476..63eac3ed2 100644
--- a/examples/stm32l5/Cargo.toml
+++ b/examples/stm32l5/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32l5-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [features]
 
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index 164940586..3d704011b 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32u5-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32wb/Cargo.toml b/examples/stm32wb/Cargo.toml
index 923833e46..5b96fa191 100644
--- a/examples/stm32wb/Cargo.toml
+++ b/examples/stm32wb/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32wb-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32wl/Cargo.toml b/examples/stm32wl/Cargo.toml
index 94e0fb830..c827d2b71 100644
--- a/examples/stm32wl/Cargo.toml
+++ b/examples/stm32wl/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-stm32wl-examples"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/stm32wl/src/bin/flash.rs b/examples/stm32wl/src/bin/flash.rs
index eb7489760..2a8880624 100644
--- a/examples/stm32wl/src/bin/flash.rs
+++ b/examples/stm32wl/src/bin/flash.rs
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
 
     const ADDR: u32 = 0x36000;
 
-    let mut f = Flash::unlock(p.FLASH);
+    let mut f = Flash::new(p.FLASH);
 
     info!("Reading...");
     let mut buf = [0u8; 8];
diff --git a/examples/wasm/Cargo.toml b/examples/wasm/Cargo.toml
index ea61fb921..e0e799a34 100644
--- a/examples/wasm/Cargo.toml
+++ b/examples/wasm/Cargo.toml
@@ -2,6 +2,7 @@
 edition = "2021"
 name = "embassy-wasm-example"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 
 [lib]
 crate-type = ["cdylib"]