Use embassy/defmt-timestamp-uptime in all examples.

162 files changed, 490 insertions, 765 deletions

diff --git a/examples/nrf/Cargo.toml b/examples/nrf/Cargo.toml
index 7fdc27ff..a704eb3b 100644
--- a/examples/nrf/Cargo.toml
+++ b/examples/nrf/Cargo.toml
@@ -9,7 +9,7 @@ default = ["nightly"]
 nightly = ["embassy-nrf/nightly", "embassy-nrf/unstable-traits"]
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["defmt", "nrf52840", "time-driver-rtc1", "gpiote"] }
 
 defmt = "0.3"
diff --git a/examples/nrf/src/bin/awaitable_timer.rs b/examples/nrf/src/bin/awaitable_timer.rs
index 98b65600..810b4bd6 100644
--- a/examples/nrf/src/bin/awaitable_timer.rs
+++ b/examples/nrf/src/bin/awaitable_timer.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::info;
+use embassy::executor::Spawner;
 use embassy_nrf::interrupt;
 use embassy_nrf::timer::Timer;
 use embassy_nrf::Peripherals;
-use example_common::info;
 
-use embassy::executor::Spawner;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/nrf/src/bin/blinky.rs b/examples/nrf/src/bin/blinky.rs
index 0fc004ed..4828b08f 100644
--- a/examples/nrf/src/bin/blinky.rs
+++ b/examples/nrf/src/bin/blinky.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut led = Output::new(p.P0_13, Level::Low, OutputDrive::Standard);
diff --git a/examples/nrf/src/bin/buffered_uart.rs b/examples/nrf/src/bin/buffered_uart.rs
index a2602ea6..2cd163a9 100644
--- a/examples/nrf/src/bin/buffered_uart.rs
+++ b/examples/nrf/src/bin/buffered_uart.rs
@@ -2,16 +2,16 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::io::{AsyncBufReadExt, AsyncWriteExt};
 use embassy_nrf::buffered_uarte::State;
 use embassy_nrf::{buffered_uarte::BufferedUarte, interrupt, uarte, Peripherals};
-use example_common::*;
 use futures::pin_mut;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut config = uarte::Config::default();
diff --git a/examples/nrf/src/bin/executor_fairness_test.rs b/examples/nrf/src/bin/executor_fairness_test.rs
index 397bb16f..7a356d14 100644
--- a/examples/nrf/src/bin/executor_fairness_test.rs
+++ b/examples/nrf/src/bin/executor_fairness_test.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
 use core::task::Poll;
+use defmt::{info, unwrap};
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Instant, Timer};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::task]
 async fn run1() {
     loop {
diff --git a/examples/nrf/src/bin/gpiote_channel.rs b/examples/nrf/src/bin/gpiote_channel.rs
index f29dae02..339f779f 100644
--- a/examples/nrf/src/bin/gpiote_channel.rs
+++ b/examples/nrf/src/bin/gpiote_channel.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
+use defmt::info;
 use embassy::executor::Spawner;
 use embassy_nrf::gpio::{Input, Pull};
 use embassy_nrf::gpiote::{InputChannel, InputChannelPolarity};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     info!("Starting!");
diff --git a/examples/nrf/src/bin/gpiote_port.rs b/examples/nrf/src/bin/gpiote_port.rs
index 3ea9a6e6..dc6bd301 100644
--- a/examples/nrf/src/bin/gpiote_port.rs
+++ b/examples/nrf/src/bin/gpiote_port.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
+use defmt::{info, unwrap};
 use embassy::executor::Spawner;
 use embassy_nrf::gpio::{AnyPin, Input, Pin as _, Pull};
 use embassy_nrf::Peripherals;
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::task(pool_size = 4)]
 async fn button_task(n: usize, mut pin: Input<'static, AnyPin>) {
diff --git a/examples/nrf/src/bin/mpsc.rs b/examples/nrf/src/bin/mpsc.rs
index d50736d8..0cb18275 100644
--- a/examples/nrf/src/bin/mpsc.rs
+++ b/examples/nrf/src/bin/mpsc.rs
@@ -2,9 +2,6 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::unwrap;
 use embassy::blocking_mutex::raw::NoopRawMutex;
 use embassy::channel::mpsc::{self, Channel, Sender, TryRecvError};
@@ -14,6 +11,9 @@ use embassy::util::Forever;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 enum LedState {
     On,
     Off,
diff --git a/examples/nrf/src/bin/multiprio.rs b/examples/nrf/src/bin/multiprio.rs
index 85e12690..e69f87d8 100644
--- a/examples/nrf/src/bin/multiprio.rs
+++ b/examples/nrf/src/bin/multiprio.rs
@@ -57,17 +57,17 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
 use cortex_m_rt::entry;
+use defmt::{info, unwrap};
 use embassy::executor::{Executor, InterruptExecutor};
 use embassy::interrupt::InterruptExt;
 use embassy::time::{Duration, Instant, Timer};
 use embassy::util::Forever;
 use embassy_nrf::interrupt;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::task]
 async fn run_high() {
     loop {
diff --git a/examples/nrf/src/bin/nvmc.rs b/examples/nrf/src/bin/nvmc.rs
index f3689563..7a57399f 100644
--- a/examples/nrf/src/bin/nvmc.rs
+++ b/examples/nrf/src/bin/nvmc.rs
@@ -2,14 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::{info, unwrap};
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::nvmc::Nvmc;
 use embassy_nrf::Peripherals;
 use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/nrf/src/bin/ppi.rs b/examples/nrf/src/bin/ppi.rs
index 99246eed..3c9a8148 100644
--- a/examples/nrf/src/bin/ppi.rs
+++ b/examples/nrf/src/bin/ppi.rs
@@ -2,11 +2,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
 use core::future::pending;
+use defmt::info;
 use embassy::executor::Spawner;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pull};
 use embassy_nrf::gpiote::{self, InputChannel, InputChannelPolarity};
@@ -14,6 +11,9 @@ use embassy_nrf::ppi::Ppi;
 use embassy_nrf::Peripherals;
 use gpiote::{OutputChannel, OutputChannelPolarity};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     info!("Starting!");
diff --git a/examples/nrf/src/bin/pwm.rs b/examples/nrf/src/bin/pwm.rs
index 68402ce2..7939e79e 100644
--- a/examples/nrf/src/bin/pwm.rs
+++ b/examples/nrf/src/bin/pwm.rs
@@ -2,14 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::pwm::{Prescaler, SimplePwm};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 // for i in range(1024): print(int((math.sin(i/512*math.pi)*0.4+0.5)**2*32767), ', ', end='')
 static DUTY: [u16; 1024] = [
     8191, 8272, 8353, 8434, 8516, 8598, 8681, 8764, 8847, 8931, 9015, 9099, 9184, 9269, 9354, 9440,
diff --git a/examples/nrf/src/bin/pwm_double_sequence.rs b/examples/nrf/src/bin/pwm_double_sequence.rs
index 85938f32..6fc42921 100644
--- a/examples/nrf/src/bin/pwm_double_sequence.rs
+++ b/examples/nrf/src/bin/pwm_double_sequence.rs
@@ -2,8 +2,6 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
@@ -13,6 +11,9 @@ use embassy_nrf::pwm::{
 };
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let seq_words_0: [u16; 5] = [1000, 250, 100, 50, 0];
diff --git a/examples/nrf/src/bin/pwm_sequence.rs b/examples/nrf/src/bin/pwm_sequence.rs
index f4295814..3b2919ba 100644
--- a/examples/nrf/src/bin/pwm_sequence.rs
+++ b/examples/nrf/src/bin/pwm_sequence.rs
@@ -2,8 +2,6 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
@@ -12,6 +10,9 @@ use embassy_nrf::pwm::{
 };
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let seq_words: [u16; 5] = [1000, 250, 100, 50, 0];
diff --git a/examples/nrf/src/bin/pwm_sequence_ppi.rs b/examples/nrf/src/bin/pwm_sequence_ppi.rs
index 66717c59..1f3662c6 100644
--- a/examples/nrf/src/bin/pwm_sequence_ppi.rs
+++ b/examples/nrf/src/bin/pwm_sequence_ppi.rs
@@ -3,8 +3,6 @@
 #![feature(type_alias_impl_trait)]
 #![feature(array_from_fn)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::future::pending;
 use defmt::*;
 use embassy::executor::Spawner;
@@ -16,6 +14,9 @@ use embassy_nrf::pwm::{
 };
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let seq_words: [u16; 5] = [1000, 250, 100, 50, 0];
diff --git a/examples/nrf/src/bin/pwm_sequence_ws2812b.rs b/examples/nrf/src/bin/pwm_sequence_ws2812b.rs
index e5af7b46..8bfe1d50 100644
--- a/examples/nrf/src/bin/pwm_sequence_ws2812b.rs
+++ b/examples/nrf/src/bin/pwm_sequence_ws2812b.rs
@@ -2,8 +2,6 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
@@ -13,6 +11,9 @@ use embassy_nrf::pwm::{
 };
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 // WS2812B LED light demonstration. Drives just one light.
 // The following reference on WS2812B may be of use:
 // https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf.
diff --git a/examples/nrf/src/bin/pwm_servo.rs b/examples/nrf/src/bin/pwm_servo.rs
index c2ab0e7d..40863bf3 100644
--- a/examples/nrf/src/bin/pwm_servo.rs
+++ b/examples/nrf/src/bin/pwm_servo.rs
@@ -2,14 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::pwm::{Prescaler, SimplePwm};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut pwm = SimplePwm::new_1ch(p.PWM0, p.P0_05);
diff --git a/examples/nrf/src/bin/qspi.rs b/examples/nrf/src/bin/qspi.rs
index b2e6bfc1..ba60716c 100644
--- a/examples/nrf/src/bin/qspi.rs
+++ b/examples/nrf/src/bin/qspi.rs
@@ -2,14 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
-use defmt::assert_eq;
+use defmt::{assert_eq, info, unwrap};
 use embassy::executor::Spawner;
 use embassy_nrf::Peripherals;
 use embassy_nrf::{interrupt, qspi};
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 const PAGE_SIZE: usize = 4096;
 
diff --git a/examples/nrf/src/bin/qspi_lowpower.rs b/examples/nrf/src/bin/qspi_lowpower.rs
index 4e264ef2..a8184cd6 100644
--- a/examples/nrf/src/bin/qspi_lowpower.rs
+++ b/examples/nrf/src/bin/qspi_lowpower.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use core::mem;
+use defmt::{info, unwrap};
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::Peripherals;
 use embassy_nrf::{interrupt, qspi};
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 // Workaround for alignment requirements.
 // Nicer API will probably come in the future.
diff --git a/examples/nrf/src/bin/raw_spawn.rs b/examples/nrf/src/bin/raw_spawn.rs
index d0bd6867..1d9d3ed5 100644
--- a/examples/nrf/src/bin/raw_spawn.rs
+++ b/examples/nrf/src/bin/raw_spawn.rs
@@ -1,18 +1,17 @@
 #![no_std]
 #![no_main]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
 use core::mem;
 use cortex_m_rt::entry;
-
+use defmt::{info, unwrap};
 use embassy::executor::raw::TaskStorage;
 use embassy::executor::Executor;
 use embassy::time::{Duration, Timer};
 use embassy::util::Forever;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
diff --git a/examples/nrf/src/bin/rng.rs b/examples/nrf/src/bin/rng.rs
index a35a9fa8..4b4b3a19 100644
--- a/examples/nrf/src/bin/rng.rs
+++ b/examples/nrf/src/bin/rng.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use embassy::executor::Spawner;
 use embassy_nrf::interrupt;
 use embassy_nrf::rng::Rng;
 use embassy_nrf::Peripherals;
 use rand::Rng as _;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut rng = Rng::new(p.RNG, interrupt::take!(RNG));
diff --git a/examples/nrf/src/bin/saadc.rs b/examples/nrf/src/bin/saadc.rs
index bc6b2b52..5835be31 100644
--- a/examples/nrf/src/bin/saadc.rs
+++ b/examples/nrf/src/bin/saadc.rs
@@ -2,13 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::info;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::saadc::{ChannelConfig, Config, Saadc};
 use embassy_nrf::{interrupt, Peripherals};
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, mut p: Peripherals) {
diff --git a/examples/nrf/src/bin/saadc_continuous.rs b/examples/nrf/src/bin/saadc_continuous.rs
index bdf552fb..5e357f79 100644
--- a/examples/nrf/src/bin/saadc_continuous.rs
+++ b/examples/nrf/src/bin/saadc_continuous.rs
@@ -2,14 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::info;
 use embassy::executor::Spawner;
 use embassy::time::Duration;
 use embassy_nrf::saadc::{ChannelConfig, Config, Saadc, SamplerState};
 use embassy_nrf::timer::Frequency;
 use embassy_nrf::{interrupt, Peripherals};
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 // Demonstrates both continuous sampling and scanning multiple channels driven by a PPI linked timer
 
diff --git a/examples/nrf/src/bin/spim.rs b/examples/nrf/src/bin/spim.rs
index cda3baa2..f2a4ab38 100644
--- a/examples/nrf/src/bin/spim.rs
+++ b/examples/nrf/src/bin/spim.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
+use defmt::{info, unwrap};
 use embassy::executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::Peripherals;
 use embassy_nrf::{interrupt, spim};
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/nrf/src/bin/temp.rs b/examples/nrf/src/bin/temp.rs
index 4b30b6ea..aa807910 100644
--- a/examples/nrf/src/bin/temp.rs
+++ b/examples/nrf/src/bin/temp.rs
@@ -2,16 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
-use embassy::{
-    executor::Spawner,
-    time::{Duration, Timer},
-};
+use defmt::info;
+use embassy::executor::Spawner;
+use embassy::time::{Duration, Timer};
 use embassy_nrf::{interrupt, temp::Temp, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let irq = interrupt::take!(TEMP);
diff --git a/examples/nrf/src/bin/timer.rs b/examples/nrf/src/bin/timer.rs
index f27081b7..ff8ee9a8 100644
--- a/examples/nrf/src/bin/timer.rs
+++ b/examples/nrf/src/bin/timer.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use embassy_nrf::Peripherals;
-use example_common::*;
-
+use defmt::{info, unwrap};
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
+use embassy_nrf::Peripherals;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::task]
 async fn run1() {
diff --git a/examples/nrf/src/bin/twim.rs b/examples/nrf/src/bin/twim.rs
index 1ac3a394..08c61415 100644
--- a/examples/nrf/src/bin/twim.rs
+++ b/examples/nrf/src/bin/twim.rs
@@ -6,14 +6,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy_nrf::twim::{self, Twim};
 use embassy_nrf::{interrupt, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 const ADDRESS: u8 = 0x50;
 
 #[embassy::main]
diff --git a/examples/nrf/src/bin/twim_lowpower.rs b/examples/nrf/src/bin/twim_lowpower.rs
index 4a059643..45b347ea 100644
--- a/examples/nrf/src/bin/twim_lowpower.rs
+++ b/examples/nrf/src/bin/twim_lowpower.rs
@@ -8,17 +8,16 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use core::mem;
-
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::twim::{self, Twim};
 use embassy_nrf::{interrupt, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 const ADDRESS: u8 = 0x50;
 
 #[embassy::main]
diff --git a/examples/nrf/src/bin/uart.rs b/examples/nrf/src/bin/uart.rs
index 5dc89df6..91f7f4fd 100644
--- a/examples/nrf/src/bin/uart.rs
+++ b/examples/nrf/src/bin/uart.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_nrf::{interrupt, uarte, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut config = uarte::Config::default();
diff --git a/examples/nrf/src/bin/uart_idle.rs b/examples/nrf/src/bin/uart_idle.rs
index 88dc185a..89336faa 100644
--- a/examples/nrf/src/bin/uart_idle.rs
+++ b/examples/nrf/src/bin/uart_idle.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_nrf::{interrupt, uarte, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut config = uarte::Config::default();
diff --git a/examples/nrf/src/bin/uart_split.rs b/examples/nrf/src/bin/uart_split.rs
index 19d438c4..909429b1 100644
--- a/examples/nrf/src/bin/uart_split.rs
+++ b/examples/nrf/src/bin/uart_split.rs
@@ -2,10 +2,7 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
-
+use defmt::*;
 use embassy::blocking_mutex::raw::NoopRawMutex;
 use embassy::channel::mpsc::{self, Channel, Sender};
 use embassy::executor::Spawner;
@@ -14,6 +11,9 @@ use embassy_nrf::peripherals::UARTE0;
 use embassy_nrf::uarte::UarteRx;
 use embassy_nrf::{interrupt, uarte, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 static CHANNEL: Forever<Channel<NoopRawMutex, [u8; 8], 1>> = Forever::new();
 
 #[embassy::main]
diff --git a/examples/nrf/src/bin/usb_uart.rs b/examples/nrf/src/bin/usb_uart.rs
index c345df9e..d283dccd 100644
--- a/examples/nrf/src/bin/usb_uart.rs
+++ b/examples/nrf/src/bin/usb_uart.rs
@@ -2,21 +2,18 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::{info, unwrap};
-use defmt_rtt as _; // global logger
-use embassy::interrupt::InterruptExt;
-use futures::pin_mut;
-use panic_probe as _; // print out panic messages
-
 use embassy::executor::Spawner;
+use embassy::interrupt::InterruptExt;
 use embassy::io::{AsyncBufReadExt, AsyncWriteExt};
 use embassy_nrf::usb::{State, Usb, UsbBus, UsbSerial};
 use embassy_nrf::{interrupt, Peripherals};
+use futures::pin_mut;
 use usb_device::device::{UsbDeviceBuilder, UsbVidPid};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _; // print out panic messages
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut rx_buffer = [0u8; 64];
diff --git a/examples/nrf/src/bin/usb_uart_io.rs b/examples/nrf/src/bin/usb_uart_io.rs
index 8fc61526..ef262984 100644
--- a/examples/nrf/src/bin/usb_uart_io.rs
+++ b/examples/nrf/src/bin/usb_uart_io.rs
@@ -2,13 +2,7 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::{info, unwrap};
-use defmt_rtt as _; // global logger
-use panic_probe as _; // print out panic messages
-
 use embassy::executor::Spawner;
 use embassy::interrupt::InterruptExt;
 use embassy::io::{read_line, AsyncWriteExt};
@@ -17,6 +11,9 @@ use embassy_nrf::{interrupt, Peripherals};
 use futures::pin_mut;
 use usb_device::device::{UsbDeviceBuilder, UsbVidPid};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _; // print out panic messages
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut rx_buffer = [0u8; 64];
diff --git a/examples/nrf/src/bin/wdt.rs b/examples/nrf/src/bin/wdt.rs
index cc199be9..431ccca8 100644
--- a/examples/nrf/src/bin/wdt.rs
+++ b/examples/nrf/src/bin/wdt.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy_nrf::gpio::{Input, Pull};
 use embassy_nrf::wdt::{Config, Watchdog};
 use embassy_nrf::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     info!("Hello World!");
diff --git a/examples/nrf/src/example_common.rs b/examples/nrf/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/nrf/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index 830e5417..2cce0af3 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt", "unstable-traits", "nightly", "unstable-pac"] }
 atomic-polyfill = "0.1.5"
 
diff --git a/examples/rp/src/bin/blinky.rs b/examples/rp/src/bin/blinky.rs
index 96e45f69..6f199d07 100644
--- a/examples/rp/src/bin/blinky.rs
+++ b/examples/rp/src/bin/blinky.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_rp::{gpio, Peripherals};
 use gpio::{Level, Output};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut led = Output::new(p.PIN_25, Level::Low);
diff --git a/examples/rp/src/bin/button.rs b/examples/rp/src/bin/button.rs
index 6492367e..2418ad01 100644
--- a/examples/rp/src/bin/button.rs
+++ b/examples/rp/src/bin/button.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use embassy::executor::Spawner;
 use embassy_rp::gpio::{Input, Level, Output, Pull};
 use embassy_rp::Peripherals;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let button = Input::new(p.PIN_28, Pull::Up);
diff --git a/examples/rp/src/bin/spi.rs b/examples/rp/src/bin/spi.rs
index 3348dc99..b3842436 100644
--- a/examples/rp/src/bin/spi.rs
+++ b/examples/rp/src/bin/spi.rs
@@ -2,9 +2,6 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy_rp::spi;
@@ -12,6 +9,9 @@ use embassy_rp::spi::Spi;
 use embassy_rp::{gpio, Peripherals};
 use gpio::{Level, Output};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     info!("Hello World!");
diff --git a/examples/rp/src/bin/spi_display.rs b/examples/rp/src/bin/spi_display.rs
index b2854afc..bc93e061 100644
--- a/examples/rp/src/bin/spi_display.rs
+++ b/examples/rp/src/bin/spi_display.rs
@@ -2,11 +2,7 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use core::cell::RefCell;
-
 use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::Delay;
@@ -27,6 +23,9 @@ use crate::my_display_interface::SPIDeviceInterface;
 use crate::shared_spi::SpiDeviceWithCs;
 use crate::touch::Touch;
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 //const DISPLAY_FREQ: u32 = 64_000_000;
 const TOUCH_FREQ: u32 = 200_000;
 
diff --git a/examples/rp/src/bin/uart.rs b/examples/rp/src/bin/uart.rs
index 8354f9f8..bc941dd8 100644
--- a/examples/rp/src/bin/uart.rs
+++ b/examples/rp/src/bin/uart.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
 use embassy::executor::Spawner;
 use embassy_rp::{uart, Peripherals};
 
+use defmt_rtt as _; // global logger
+use panic_probe as _;
+
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let config = uart::Config::default();
diff --git a/examples/rp/src/example_common.rs b/examples/rp/src/example_common.rs
deleted file mode 100644
index f7c4ef57..00000000
--- a/examples/rp/src/example_common.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-use core::sync::atomic::{AtomicUsize, Ordering};
-use defmt_rtt as _;
-use panic_probe as _;
-
-defmt::timestamp! {"{=u64}", {
-    static COUNT: AtomicUsize = AtomicUsize::new(0);
-    // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-    let n = COUNT.load(Ordering::Relaxed);
-    COUNT.store(n + 1, Ordering::Relaxed);
-    n as u64
-}
-}
diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index 0f76dabf..c973c1f7 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -13,6 +13,6 @@ cortex-m-rt = "0.7.0"
 defmt = "0.3"
 defmt-rtt = "0.3"
 panic-probe = "0.3"
-embassy = { path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { path = "../../embassy-stm32", features = ["nightly", "defmt", "memory-x", "stm32f030f4", "time-driver-any"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "memory-x", "stm32f030f4", "time-driver-any"] }
 
diff --git a/examples/stm32f0/src/bin/hello.rs b/examples/stm32f0/src/bin/hello.rs
index 9f745f9a..975e94f3 100644
--- a/examples/stm32f0/src/bin/hello.rs
+++ b/examples/stm32f0/src/bin/hello.rs
@@ -3,13 +3,12 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::info;
-
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::Peripherals;
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, _p: Peripherals) -> ! {
diff --git a/examples/stm32f0/src/example_common.rs b/examples/stm32f0/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32f0/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index 79be4b51..5e5faf1f 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32f1/src/bin/adc.rs b/examples/stm32f1/src/bin/adc.rs
index d24f3f5c..af403423 100644
--- a/examples/stm32f1/src/bin/adc.rs
+++ b/examples/stm32f1/src/bin/adc.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Delay, Duration, Timer};
 use embassy_stm32::adc::Adc;
 use embassy_stm32::Peripherals;
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f1/src/bin/blinky.rs b/examples/stm32f1/src/bin/blinky.rs
index 0d953745..657bcdd1 100644
--- a/examples/stm32f1/src/bin/blinky.rs
+++ b/examples/stm32f1/src/bin/blinky.rs
@@ -2,13 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f1/src/bin/hello.rs b/examples/stm32f1/src/bin/hello.rs
index efcb9a24..8054a899 100644
--- a/examples/stm32f1/src/bin/hello.rs
+++ b/examples/stm32f1/src/bin/hello.rs
@@ -9,8 +9,8 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
 use embassy_stm32::Peripherals;
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32f1/src/example_common.rs b/examples/stm32f1/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32f1/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32f2/Cargo.toml b/examples/stm32f2/Cargo.toml
index ee1d7ce2..4eef3a6f 100644
--- a/examples/stm32f2/Cargo.toml
+++ b/examples/stm32f2/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f207zg", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32f2/src/bin/blinky.rs b/examples/stm32f2/src/bin/blinky.rs
index 637c2f4f..395f4df5 100644
--- a/examples/stm32f2/src/bin/blinky.rs
+++ b/examples/stm32f2/src/bin/blinky.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f2/src/example_common.rs b/examples/stm32f2/src/example_common.rs
deleted file mode 100644
index e1451703..00000000
--- a/examples/stm32f2/src/example_common.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {
-    "{=u64}",
-    {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index 3ce2bc8a..37f99fea 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f303vc", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32f3/src/bin/blinky.rs b/examples/stm32f3/src/bin/blinky.rs
index e8b8dc23..b3643a26 100644
--- a/examples/stm32f3/src/bin/blinky.rs
+++ b/examples/stm32f3/src/bin/blinky.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f3/src/bin/button.rs b/examples/stm32f3/src/bin/button.rs
index 131d4af4..207381bd 100644
--- a/examples/stm32f3/src/bin/button.rs
+++ b/examples/stm32f3/src/bin/button.rs
@@ -2,11 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use cortex_m_rt::entry;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
-use example_common::*;
+use panic_probe as _;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32f3/src/bin/button_events.rs b/examples/stm32f3/src/bin/button_events.rs
index 0bd7b342..99aab302 100644
--- a/examples/stm32f3/src/bin/button_events.rs
+++ b/examples/stm32f3/src/bin/button_events.rs
@@ -10,8 +10,7 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
 use embassy::blocking_mutex::raw::NoopRawMutex;
 use embassy::channel::mpsc::{self, Channel, Receiver, Sender};
 use embassy::executor::Spawner;
@@ -21,7 +20,9 @@ use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{AnyPin, Input, Level, Output, Pin, Pull, Speed};
 use embassy_stm32::peripherals::PA0;
 use embassy_stm32::Peripherals;
-use example_common::*;
+
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 struct Leds<'a> {
     leds: [Output<'a, AnyPin>; 8],
diff --git a/examples/stm32f3/src/bin/button_exti.rs b/examples/stm32f3/src/bin/button_exti.rs
index b11f38ea..68d16636 100644
--- a/examples/stm32f3/src/bin/button_exti.rs
+++ b/examples/stm32f3/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f3/src/bin/hello.rs b/examples/stm32f3/src/bin/hello.rs
index 9a67419f..a79d6838 100644
--- a/examples/stm32f3/src/bin/hello.rs
+++ b/examples/stm32f3/src/bin/hello.rs
@@ -9,8 +9,8 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
 use embassy_stm32::Peripherals;
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32f3/src/bin/multiprio.rs b/examples/stm32f3/src/bin/multiprio.rs
index 9d975483..1c940154 100644
--- a/examples/stm32f3/src/bin/multiprio.rs
+++ b/examples/stm32f3/src/bin/multiprio.rs
@@ -57,9 +57,9 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
+use defmt::*;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use cortex_m_rt::entry;
 use embassy::executor::{Executor, InterruptExecutor};
diff --git a/examples/stm32f3/src/bin/spi_dma.rs b/examples/stm32f3/src/bin/spi_dma.rs
index bd66b120..6d80c408 100644
--- a/examples/stm32f3/src/bin/spi_dma.rs
+++ b/examples/stm32f3/src/bin/spi_dma.rs
@@ -2,16 +2,16 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
 use core::str::from_utf8;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
-use example_common::*;
 use heapless::String;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f3/src/bin/usart_dma.rs b/examples/stm32f3/src/bin/usart_dma.rs
index 0e67bb1f..859749eb 100644
--- a/examples/stm32f3/src/bin/usart_dma.rs
+++ b/examples/stm32f3/src/bin/usart_dma.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
 use embassy_stm32::Peripherals;
-use example_common::*;
 use heapless::String;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f3/src/example_common.rs b/examples/stm32f3/src/example_common.rs
deleted file mode 100644
index e1451703..00000000
--- a/examples/stm32f3/src/example_common.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {
-    "{=u64}",
-    {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index c53f04e1..1bc40649 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "unstable-traits"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "unstable-traits", "defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti", "usb-otg"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32f4/src/bin/adc.rs b/examples/stm32f4/src/bin/adc.rs
index 0a6ddbbc..f0b1ad23 100644
--- a/examples/stm32f4/src/bin/adc.rs
+++ b/examples/stm32f4/src/bin/adc.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Delay, Duration, Timer};
 use embassy_stm32::adc::Adc;
 use embassy_stm32::Peripherals;
-use example_common::*;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f4/src/bin/blinky.rs b/examples/stm32f4/src/bin/blinky.rs
index 00d67dac..8b85ca96 100644
--- a/examples/stm32f4/src/bin/blinky.rs
+++ b/examples/stm32f4/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f4/src/bin/button.rs b/examples/stm32f4/src/bin/button.rs
index 24eef75b..4f9af7fb 100644
--- a/examples/stm32f4/src/bin/button.rs
+++ b/examples/stm32f4/src/bin/button.rs
@@ -2,11 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use cortex_m_rt::entry;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
-use example_common::*;
+use panic_probe as _;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32f4/src/bin/button_exti.rs b/examples/stm32f4/src/bin/button_exti.rs
index 852fbe3c..78f2e6ee 100644
--- a/examples/stm32f4/src/bin/button_exti.rs
+++ b/examples/stm32f4/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f4/src/bin/can.rs b/examples/stm32f4/src/bin/can.rs
index b36e4180..0f41d686 100644
--- a/examples/stm32f4/src/bin/can.rs
+++ b/examples/stm32f4/src/bin/can.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use cortex_m_rt::entry;
+use defmt::*;
 use embassy_stm32::can::bxcan::filter::Mask32;
 use embassy_stm32::can::bxcan::{Frame, StandardId};
 use embassy_stm32::can::Can;
 use embassy_stm32::gpio::{Input, Pull};
-use example_common::*;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32f4/src/bin/hello.rs b/examples/stm32f4/src/bin/hello.rs
index 56eb67bf..92d87ced 100644
--- a/examples/stm32f4/src/bin/hello.rs
+++ b/examples/stm32f4/src/bin/hello.rs
@@ -9,8 +9,8 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
 use embassy_stm32::Peripherals;
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32f4/src/bin/multiprio.rs b/examples/stm32f4/src/bin/multiprio.rs
index 9d975483..1c940154 100644
--- a/examples/stm32f4/src/bin/multiprio.rs
+++ b/examples/stm32f4/src/bin/multiprio.rs
@@ -57,9 +57,9 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
+use defmt::*;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use cortex_m_rt::entry;
 use embassy::executor::{Executor, InterruptExecutor};
diff --git a/examples/stm32f4/src/bin/sdmmc.rs b/examples/stm32f4/src/bin/sdmmc.rs
index 2ef36739..eab0fad4 100644
--- a/examples/stm32f4/src/bin/sdmmc.rs
+++ b/examples/stm32f4/src/bin/sdmmc.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::sdmmc::Sdmmc;
 use embassy_stm32::time::U32Ext;
 use embassy_stm32::{interrupt, Config, Peripherals};
-use example_common::*;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32f4/src/bin/spi.rs b/examples/stm32f4/src/bin/spi.rs
index 6b04f1fe..69be8143 100644
--- a/examples/stm32f4/src/bin/spi.rs
+++ b/examples/stm32f4/src/bin/spi.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use cortex_m_rt::entry;
+use defmt::*;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
-use example_common::*;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32f4/src/bin/spi_dma.rs b/examples/stm32f4/src/bin/spi_dma.rs
index 9171f751..1bf9b856 100644
--- a/examples/stm32f4/src/bin/spi_dma.rs
+++ b/examples/stm32f4/src/bin/spi_dma.rs
@@ -2,16 +2,16 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
 use core::str::from_utf8;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
-use example_common::*;
 use heapless::String;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f4/src/bin/usart.rs b/examples/stm32f4/src/bin/usart.rs
index b5ea98cc..a302667e 100644
--- a/examples/stm32f4/src/bin/usart.rs
+++ b/examples/stm32f4/src/bin/usart.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use cortex_m_rt::entry;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
-use example_common::*;
+use panic_probe as _;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32f4/src/bin/usart_dma.rs b/examples/stm32f4/src/bin/usart_dma.rs
index 862a91ea..cf45b71c 100644
--- a/examples/stm32f4/src/bin/usart_dma.rs
+++ b/examples/stm32f4/src/bin/usart_dma.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
 use embassy_stm32::Peripherals;
-use example_common::*;
 use heapless::String;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f4/src/bin/usb_uart.rs b/examples/stm32f4/src/bin/usb_uart.rs
index 63059d51..251ed1eb 100644
--- a/examples/stm32f4/src/bin/usb_uart.rs
+++ b/examples/stm32f4/src/bin/usb_uart.rs
@@ -2,8 +2,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use defmt::{info, unwrap};
 use defmt_rtt as _; // global logger
diff --git a/examples/stm32f4/src/bin/usb_uart_ulpi.rs b/examples/stm32f4/src/bin/usb_uart_ulpi.rs
index a5550272..f6c37360 100644
--- a/examples/stm32f4/src/bin/usb_uart_ulpi.rs
+++ b/examples/stm32f4/src/bin/usb_uart_ulpi.rs
@@ -2,8 +2,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use defmt::{info, unwrap};
 use defmt_rtt as _; // global logger
diff --git a/examples/stm32f4/src/example_common.rs b/examples/stm32f4/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32f4/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 3f685834..3703f551 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-any", "exti"]  }
 embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
 
diff --git a/examples/stm32f7/src/bin/blinky.rs b/examples/stm32f7/src/bin/blinky.rs
index 00d67dac..8b85ca96 100644
--- a/examples/stm32f7/src/bin/blinky.rs
+++ b/examples/stm32f7/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f7/src/bin/button.rs b/examples/stm32f7/src/bin/button.rs
index 24eef75b..4f9af7fb 100644
--- a/examples/stm32f7/src/bin/button.rs
+++ b/examples/stm32f7/src/bin/button.rs
@@ -2,11 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use cortex_m_rt::entry;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
-use example_common::*;
+use panic_probe as _;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32f7/src/bin/button_exti.rs b/examples/stm32f7/src/bin/button_exti.rs
index 852fbe3c..78f2e6ee 100644
--- a/examples/stm32f7/src/bin/button_exti.rs
+++ b/examples/stm32f7/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 15169d2d..446756c2 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -2,14 +2,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use embassy_stm32::peripherals::ETH;
-use example_common::config;
-
 use cortex_m_rt::entry;
-use defmt::{info, unwrap};
-use defmt_rtt as _; // global logger
+use defmt::*;
 use embassy::executor::{Executor, Spawner};
 use embassy::io::AsyncWriteExt;
 use embassy::time::{Duration, Timer};
@@ -19,12 +13,16 @@ use embassy_net::{
 };
 use embassy_stm32::eth::lan8742a::LAN8742A;
 use embassy_stm32::eth::{Ethernet, State};
+use embassy_stm32::interrupt;
+use embassy_stm32::peripherals::ETH;
+use embassy_stm32::peripherals::RNG;
 use embassy_stm32::rng::Rng;
-use embassy_stm32::{interrupt, peripherals};
+use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
 use heapless::Vec;
-use panic_probe as _;
 
-use peripherals::RNG;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 #[embassy::task]
 async fn main_task(
@@ -88,6 +86,12 @@ static ETH: Forever<Ethernet<'static, ETH, LAN8742A, 4, 4>> = Forever::new();
 static CONFIG: Forever<StaticConfigurator> = Forever::new();
 static NET_RESOURCES: Forever<StackResources<1, 2, 8>> = Forever::new();
 
+fn config() -> Config {
+    let mut config = Config::default();
+    config.rcc.sys_ck = Some(200.mhz().into());
+    config
+}
+
 #[entry]
 fn main() -> ! {
     info!("Hello World!");
diff --git a/examples/stm32f7/src/bin/hello.rs b/examples/stm32f7/src/bin/hello.rs
index 56eb67bf..92d87ced 100644
--- a/examples/stm32f7/src/bin/hello.rs
+++ b/examples/stm32f7/src/bin/hello.rs
@@ -9,8 +9,8 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
 use embassy_stm32::Peripherals;
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32f7/src/bin/sdmmc.rs b/examples/stm32f7/src/bin/sdmmc.rs
index 57b913db..dae07c30 100644
--- a/examples/stm32f7/src/bin/sdmmc.rs
+++ b/examples/stm32f7/src/bin/sdmmc.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::sdmmc::Sdmmc;
 use embassy_stm32::time::U32Ext;
 use embassy_stm32::{interrupt, Config, Peripherals};
-use example_common::*;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32f7/src/bin/usart_dma.rs b/examples/stm32f7/src/bin/usart_dma.rs
index 00deae8b..69fa21a0 100644
--- a/examples/stm32f7/src/bin/usart_dma.rs
+++ b/examples/stm32f7/src/bin/usart_dma.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 use heapless::String;
 
diff --git a/examples/stm32f7/src/example_common.rs b/examples/stm32f7/src/example_common.rs
deleted file mode 100644
index a786cb11..00000000
--- a/examples/stm32f7/src/example_common.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _;
-use embassy_stm32::time::U32Ext;
-use embassy_stm32::Config;
-// global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
-
-#[allow(unused)]
-pub fn config() -> Config {
-    let mut config = Config::default();
-    config.rcc.sys_ck = Some(200.mhz().into());
-    config
-}
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index a72ba534..9facbc5c 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32g071rb", "memory-x", "unstable-pac", "exti"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32g0/src/bin/blinky.rs b/examples/stm32g0/src/bin/blinky.rs
index 00d67dac..8b85ca96 100644
--- a/examples/stm32g0/src/bin/blinky.rs
+++ b/examples/stm32g0/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32g0/src/bin/button.rs b/examples/stm32g0/src/bin/button.rs
index e901c575..78d7ba1f 100644
--- a/examples/stm32g0/src/bin/button.rs
+++ b/examples/stm32g0/src/bin/button.rs
@@ -2,11 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use cortex_m_rt::entry;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Pull};
-use example_common::*;
+use panic_probe as _;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32g0/src/bin/button_exti.rs b/examples/stm32g0/src/bin/button_exti.rs
index 848818bf..4b1cadcb 100644
--- a/examples/stm32g0/src/bin/button_exti.rs
+++ b/examples/stm32g0/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32g0/src/example_common.rs b/examples/stm32g0/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32g0/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32g4/Cargo.toml b/examples/stm32g4/Cargo.toml
index 433a3673..7a1f5a9f 100644
--- a/examples/stm32g4/Cargo.toml
+++ b/examples/stm32g4/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32g491re", "memory-x", "unstable-pac", "exti"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
diff --git a/examples/stm32g4/src/bin/blinky.rs b/examples/stm32g4/src/bin/blinky.rs
index 1dc67f99..92ec2b57 100644
--- a/examples/stm32g4/src/bin/blinky.rs
+++ b/examples/stm32g4/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32g4/src/bin/button.rs b/examples/stm32g4/src/bin/button.rs
index 8c0d7d4f..f6c98130 100644
--- a/examples/stm32g4/src/bin/button.rs
+++ b/examples/stm32g4/src/bin/button.rs
@@ -2,11 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use cortex_m_rt::entry;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Pull};
-use example_common::*;
+use panic_probe as _;
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32g4/src/bin/button_exti.rs b/examples/stm32g4/src/bin/button_exti.rs
index 852fbe3c..78f2e6ee 100644
--- a/examples/stm32g4/src/bin/button_exti.rs
+++ b/examples/stm32g4/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32g4/src/bin/pwm.rs b/examples/stm32g4/src/bin/pwm.rs
index fb71c8b7..3770f6f3 100644
--- a/examples/stm32g4/src/bin/pwm.rs
+++ b/examples/stm32g4/src/bin/pwm.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::pwm::{simple_pwm::SimplePwm, Channel};
 use embassy_stm32::time::U32Ext;
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32g4/src/example_common.rs b/examples/stm32g4/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32g4/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index 2e761df8..5c8861af 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -8,7 +8,7 @@ resolver = "2"
 [features]
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32h743bi", "net", "time-driver-any", "exti", "unstable-pac", "unstable-traits"] }
 embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
 embassy-hal-common = { path = "../../embassy-hal-common", default-features = false, features = ["defmt"] }
diff --git a/examples/stm32h7/src/bin/blinky.rs b/examples/stm32h7/src/bin/blinky.rs
index 7e593423..2329125a 100644
--- a/examples/stm32h7/src/bin/blinky.rs
+++ b/examples/stm32h7/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32h7/src/bin/button_exti.rs b/examples/stm32h7/src/bin/button_exti.rs
index 852fbe3c..78f2e6ee 100644
--- a/examples/stm32h7/src/bin/button_exti.rs
+++ b/examples/stm32h7/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32h7/src/bin/camera.rs b/examples/stm32h7/src/bin/camera.rs
index f87b27f4..3311ba85 100644
--- a/examples/stm32h7/src/bin/camera.rs
+++ b/examples/stm32h7/src/bin/camera.rs
@@ -10,23 +10,12 @@ use embassy_stm32::i2c::I2c;
 use embassy_stm32::interrupt;
 use embassy_stm32::rcc::{Mco, Mco1Source, McoClock};
 use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
 use embassy_stm32::Peripherals;
 
 use defmt_rtt as _; // global logger
 use panic_probe as _;
 
-use core::sync::atomic::{AtomicUsize, Ordering};
-use embassy_stm32::Config;
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
-
 #[allow(unused)]
 pub fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32h7/src/bin/dac.rs b/examples/stm32h7/src/bin/dac.rs
index 8353405a..86c874a6 100644
--- a/examples/stm32h7/src/bin/dac.rs
+++ b/examples/stm32h7/src/bin/dac.rs
@@ -2,13 +2,22 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-
-use example_common::*;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use cortex_m_rt::entry;
+use defmt::*;
 use embassy_stm32::dac::{Channel, Dac, Value};
+use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
+
+pub fn config() -> Config {
+    let mut config = Config::default();
+    config.rcc.sys_ck = Some(400.mhz().into());
+    config.rcc.hclk = Some(200.mhz().into());
+    config.rcc.pll1.q_ck = Some(100.mhz().into());
+    config
+}
 
 #[entry]
 fn main() -> ! {
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index 47d8c5c5..4eb5421a 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -2,14 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use embassy_stm32::peripherals::ETH;
-use example_common::config;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use cortex_m_rt::entry;
-use defmt::{info, unwrap};
-use defmt_rtt as _; // global logger
+use defmt::*;
 use embassy::executor::{Executor, Spawner};
 use embassy::io::AsyncWriteExt;
 use embassy::time::{Duration, Timer};
@@ -19,11 +16,13 @@ use embassy_net::{
 };
 use embassy_stm32::eth::lan8742a::LAN8742A;
 use embassy_stm32::eth::{Ethernet, State};
+use embassy_stm32::interrupt;
+use embassy_stm32::peripherals::ETH;
+use embassy_stm32::peripherals::RNG;
 use embassy_stm32::rng::Rng;
-use embassy_stm32::{interrupt, peripherals};
+use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
 use heapless::Vec;
-use panic_probe as _;
-use peripherals::RNG;
 
 #[embassy::task]
 async fn main_task(
@@ -87,6 +86,15 @@ static ETH: Forever<Ethernet<'static, ETH, LAN8742A, 4, 4>> = Forever::new();
 static CONFIG: Forever<StaticConfigurator> = Forever::new();
 static NET_RESOURCES: Forever<StackResources<1, 2, 8>> = Forever::new();
 
+#[allow(unused)]
+pub fn config() -> Config {
+    let mut config = Config::default();
+    config.rcc.sys_ck = Some(400.mhz().into());
+    config.rcc.hclk = Some(200.mhz().into());
+    config.rcc.pll1.q_ck = Some(100.mhz().into());
+    config
+}
+
 #[entry]
 fn main() -> ! {
     info!("Hello World!");
diff --git a/examples/stm32h7/src/bin/fmc.rs b/examples/stm32h7/src/bin/fmc.rs
index b9ac1318..ba8215d6 100644
--- a/examples/stm32h7/src/bin/fmc.rs
+++ b/examples/stm32h7/src/bin/fmc.rs
@@ -2,13 +2,23 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Delay, Duration, Timer};
 use embassy_stm32::fmc::Fmc;
+use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
+
+pub fn config() -> Config {
+    let mut config = Config::default();
+    config.rcc.sys_ck = Some(400.mhz().into());
+    config.rcc.hclk = Some(200.mhz().into());
+    config.rcc.pll1.q_ck = Some(100.mhz().into());
+    config
+}
 
 #[embassy::main(config = "config()")]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32h7/src/bin/low_level_timer_api.rs b/examples/stm32h7/src/bin/low_level_timer_api.rs
index 3a47dc22..9ddfd8b2 100644
--- a/examples/stm32h7/src/bin/low_level_timer_api.rs
+++ b/examples/stm32h7/src/bin/low_level_timer_api.rs
@@ -2,10 +2,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::marker::PhantomData;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy::util::Unborrow;
@@ -15,7 +16,6 @@ use embassy_stm32::gpio::Speed;
 use embassy_stm32::pwm::*;
 use embassy_stm32::time::{Hertz, U32Ext};
 use embassy_stm32::{Config, Peripherals};
-use example_common::*;
 
 pub fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32h7/src/bin/mco.rs b/examples/stm32h7/src/bin/mco.rs
index f27bd8ef..a6735036 100644
--- a/examples/stm32h7/src/bin/mco.rs
+++ b/examples/stm32h7/src/bin/mco.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::rcc::{Mco, Mco1Source, McoClock};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32h7/src/bin/pwm.rs b/examples/stm32h7/src/bin/pwm.rs
index b3edbde6..c33ba066 100644
--- a/examples/stm32h7/src/bin/pwm.rs
+++ b/examples/stm32h7/src/bin/pwm.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::pwm::{simple_pwm::SimplePwm, Channel};
 use embassy_stm32::time::U32Ext;
 use embassy_stm32::{Config, Peripherals};
-use example_common::*;
+use panic_probe as _;
 
 pub fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32h7/src/bin/rng.rs b/examples/stm32h7/src/bin/rng.rs
index 932cfcb8..b914fa70 100644
--- a/examples/stm32h7/src/bin/rng.rs
+++ b/examples/stm32h7/src/bin/rng.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::rng::Rng;
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32h7/src/bin/sdmmc.rs b/examples/stm32h7/src/bin/sdmmc.rs
index 19c4deed..c3b2ebcd 100644
--- a/examples/stm32h7/src/bin/sdmmc.rs
+++ b/examples/stm32h7/src/bin/sdmmc.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::sdmmc::Sdmmc;
 use embassy_stm32::time::U32Ext;
 use embassy_stm32::{interrupt, Config, Peripherals};
-use example_common::*;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32h7/src/bin/spi.rs b/examples/stm32h7/src/bin/spi.rs
index 17e64da7..a0acb03d 100644
--- a/examples/stm32h7/src/bin/spi.rs
+++ b/examples/stm32h7/src/bin/spi.rs
@@ -2,22 +2,30 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use core::fmt::Write;
+use core::str::from_utf8;
+use cortex_m_rt::entry;
+use defmt::*;
 use embassy::executor::Executor;
 use embassy::util::Forever;
 use embassy_stm32::dma::NoDma;
-use embassy_stm32::spi;
-use example_common::*;
-
-use core::str::from_utf8;
-use cortex_m_rt::entry;
 use embassy_stm32::peripherals::SPI3;
+use embassy_stm32::spi;
 use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
 use heapless::String;
 
+pub fn config() -> Config {
+    let mut config = Config::default();
+    config.rcc.sys_ck = Some(400.mhz().into());
+    config.rcc.hclk = Some(200.mhz().into());
+    config.rcc.pll1.q_ck = Some(100.mhz().into());
+    config
+}
+
 #[embassy::task]
 async fn main_task(mut spi: spi::Spi<'static, SPI3, NoDma, NoDma>) {
     for n in 0u32.. {
diff --git a/examples/stm32h7/src/bin/spi_dma.rs b/examples/stm32h7/src/bin/spi_dma.rs
index 15ae0997..8f77b1d0 100644
--- a/examples/stm32h7/src/bin/spi_dma.rs
+++ b/examples/stm32h7/src/bin/spi_dma.rs
@@ -2,21 +2,29 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use core::fmt::Write;
-use embassy::executor::Executor;
-use embassy::util::Forever;
-use embassy_stm32::time::U32Ext;
-use example_common::*;
-
 use core::str::from_utf8;
 use cortex_m_rt::entry;
+use defmt::*;
+use embassy::executor::Executor;
+use embassy::util::Forever;
 use embassy_stm32::peripherals::{DMA1_CH3, DMA1_CH4, SPI3};
 use embassy_stm32::spi;
+use embassy_stm32::time::U32Ext;
+use embassy_stm32::Config;
 use heapless::String;
 
+pub fn config() -> Config {
+    let mut config = Config::default();
+    config.rcc.sys_ck = Some(400.mhz().into());
+    config.rcc.hclk = Some(200.mhz().into());
+    config.rcc.pll1.q_ck = Some(100.mhz().into());
+    config
+}
+
 #[embassy::task]
 async fn main_task(mut spi: spi::Spi<'static, SPI3, DMA1_CH3, DMA1_CH4>) {
     for n in 0u32.. {
diff --git a/examples/stm32h7/src/bin/usart.rs b/examples/stm32h7/src/bin/usart.rs
index 211e57cd..0982a6ac 100644
--- a/examples/stm32h7/src/bin/usart.rs
+++ b/examples/stm32h7/src/bin/usart.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Executor;
 use embassy::util::Forever;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
-use example_common::*;
+use panic_probe as _;
 
 use cortex_m_rt::entry;
 
diff --git a/examples/stm32h7/src/bin/usart_dma.rs b/examples/stm32h7/src/bin/usart_dma.rs
index a9221e1b..74de8b2a 100644
--- a/examples/stm32h7/src/bin/usart_dma.rs
+++ b/examples/stm32h7/src/bin/usart_dma.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Executor;
 use embassy::util::Forever;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
-use example_common::*;
+use panic_probe as _;
 
 use cortex_m_rt::entry;
 use heapless::String;
diff --git a/examples/stm32h7/src/bin/usart_split.rs b/examples/stm32h7/src/bin/usart_split.rs
index b112290f..ee1763aa 100644
--- a/examples/stm32h7/src/bin/usart_split.rs
+++ b/examples/stm32h7/src/bin/usart_split.rs
@@ -2,8 +2,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::blocking_mutex::raw::NoopRawMutex;
 use embassy::channel::mpsc::{self, Channel, Sender};
 use embassy::executor::Spawner;
@@ -14,7 +14,7 @@ use embassy_stm32::{
     usart::{Config, Uart, UartRx},
     Peripherals,
 };
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::task]
 async fn writer(mut usart: Uart<'static, UART7, NoDma, NoDma>) {
diff --git a/examples/stm32h7/src/example_common.rs b/examples/stm32h7/src/example_common.rs
deleted file mode 100644
index b8acc279..00000000
--- a/examples/stm32h7/src/example_common.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-use embassy_stm32::time::U32Ext;
-use embassy_stm32::Config;
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
-
-#[allow(unused)]
-pub fn config() -> Config {
-    let mut config = Config::default();
-    config.rcc.sys_ck = Some(400.mhz().into());
-    config.rcc.hclk = Some(200.mhz().into());
-    config.rcc.pll1.q_ck = Some(100.mhz().into());
-    config
-}
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index ce4efa52..8063e6c7 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -10,7 +10,7 @@ default = ["nightly"]
 nightly = ["embassy-stm32/nightly", "embassy-lora", "lorawan-device", "lorawan-encoding"]
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "unstable-traits", "memory-x"]  }
 
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt"], optional = true}
diff --git a/examples/stm32l0/src/bin/blinky.rs b/examples/stm32l0/src/bin/blinky.rs
index 46e29a89..72f13f06 100644
--- a/examples/stm32l0/src/bin/blinky.rs
+++ b/examples/stm32l0/src/bin/blinky.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l0/src/bin/button.rs b/examples/stm32l0/src/bin/button.rs
index 046c43ca..dfa91259 100644
--- a/examples/stm32l0/src/bin/button.rs
+++ b/examples/stm32l0/src/bin/button.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l0/src/bin/button_exti.rs b/examples/stm32l0/src/bin/button_exti.rs
index 3edea397..b1892e2c 100644
--- a/examples/stm32l0/src/bin/button_exti.rs
+++ b/examples/stm32l0/src/bin/button_exti.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
 
 fn config() -> embassy_stm32::Config {
     let mut config = embassy_stm32::Config::default();
diff --git a/examples/stm32l0/src/bin/lorawan.rs b/examples/stm32l0/src/bin/lorawan.rs
index df08ba18..22304f8e 100644
--- a/examples/stm32l0/src/bin/lorawan.rs
+++ b/examples/stm32l0/src/bin/lorawan.rs
@@ -6,8 +6,8 @@
 #![feature(generic_associated_types)]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use embassy_lora::{sx127x::*, LoraTimer};
 use embassy_stm32::{
diff --git a/examples/stm32l0/src/bin/raw_spawn.rs b/examples/stm32l0/src/bin/raw_spawn.rs
index 9bb087c9..4601d85d 100644
--- a/examples/stm32l0/src/bin/raw_spawn.rs
+++ b/examples/stm32l0/src/bin/raw_spawn.rs
@@ -1,9 +1,9 @@
 #![no_std]
 #![no_main]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
+use defmt::*;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use core::mem;
 use cortex_m_rt::entry;
diff --git a/examples/stm32l0/src/bin/spi.rs b/examples/stm32l0/src/bin/spi.rs
index 8d6e89d9..5ed783b1 100644
--- a/examples/stm32l0/src/bin/spi.rs
+++ b/examples/stm32l0/src/bin/spi.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use example_common::*;
 
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::spi::{Config, Spi};
diff --git a/examples/stm32l0/src/bin/usart_dma.rs b/examples/stm32l0/src/bin/usart_dma.rs
index 543e66f6..b3fdcacb 100644
--- a/examples/stm32l0/src/bin/usart_dma.rs
+++ b/examples/stm32l0/src/bin/usart_dma.rs
@@ -2,10 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
-use example_common::*;
+use defmt::*;
 
 use embassy::executor::Spawner;
 use embassy_stm32::usart::{Config, Uart};
diff --git a/examples/stm32l0/src/bin/usart_irq.rs b/examples/stm32l0/src/bin/usart_irq.rs
index 58807390..abb27fa4 100644
--- a/examples/stm32l0/src/bin/usart_irq.rs
+++ b/examples/stm32l0/src/bin/usart_irq.rs
@@ -2,10 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
-use example_common::*;
+use defmt::*;
 
 use embassy::executor::Spawner;
 use embassy::io::{AsyncBufReadExt, AsyncWriteExt};
diff --git a/examples/stm32l0/src/example_common.rs b/examples/stm32l0/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32l0/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index 0cdf5916..a7a6c228 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32l151cb-a", "time-driver-any", "memory-x"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32l1/src/bin/blinky.rs b/examples/stm32l1/src/bin/blinky.rs
index 07c804e9..e8145552 100644
--- a/examples/stm32l1/src/bin/blinky.rs
+++ b/examples/stm32l1/src/bin/blinky.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l1/src/bin/spi.rs b/examples/stm32l1/src/bin/spi.rs
index e97e3ebb..bced0c54 100644
--- a/examples/stm32l1/src/bin/spi.rs
+++ b/examples/stm32l1/src/bin/spi.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use example_common::*;
 
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::spi::{Config, Spi};
diff --git a/examples/stm32l1/src/example_common.rs b/examples/stm32l1/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32l1/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32l4/Cargo.toml b/examples/stm32l4/Cargo.toml
index 4b1f9a91..0709a8f5 100644
--- a/examples/stm32l4/Cargo.toml
+++ b/examples/stm32l4/Cargo.toml
@@ -8,7 +8,7 @@ resolver = "2"
 [features]
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt" ] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits" }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32l4s5vi", "time-driver-any", "exti", "unstable-traits"]  }
 
diff --git a/examples/stm32l4/src/bin/adc.rs b/examples/stm32l4/src/bin/adc.rs
index 83c54222..58ef6eba 100644
--- a/examples/stm32l4/src/bin/adc.rs
+++ b/examples/stm32l4/src/bin/adc.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::time::Delay;
 use embassy_stm32::adc::{Adc, Resolution};
 use embassy_stm32::pac;
-use example_common::*;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/examples/stm32l4/src/bin/blinky.rs b/examples/stm32l4/src/bin/blinky.rs
index 03028375..e24a5bd3 100644
--- a/examples/stm32l4/src/bin/blinky.rs
+++ b/examples/stm32l4/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l4/src/bin/button.rs b/examples/stm32l4/src/bin/button.rs
index 6073c137..ff270b51 100644
--- a/examples/stm32l4/src/bin/button.rs
+++ b/examples/stm32l4/src/bin/button.rs
@@ -2,10 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Pull};
-use example_common::*;
+use panic_probe as _;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/examples/stm32l4/src/bin/button_exti.rs b/examples/stm32l4/src/bin/button_exti.rs
index 848818bf..4b1cadcb 100644
--- a/examples/stm32l4/src/bin/button_exti.rs
+++ b/examples/stm32l4/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l4/src/bin/dac.rs b/examples/stm32l4/src/bin/dac.rs
index 201ba473..c26e7e70 100644
--- a/examples/stm32l4/src/bin/dac.rs
+++ b/examples/stm32l4/src/bin/dac.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy_stm32::dac::{Channel, Dac, Value};
 use embassy_stm32::pac;
-use example_common::*;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/examples/stm32l4/src/bin/i2c.rs b/examples/stm32l4/src/bin/i2c.rs
index 615012a0..46776564 100644
--- a/examples/stm32l4/src/bin/i2c.rs
+++ b/examples/stm32l4/src/bin/i2c.rs
@@ -2,16 +2,16 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::i2c::I2c;
 use embassy_stm32::interrupt;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
-use example_common::{info, unwrap};
 
 const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
diff --git a/examples/stm32l4/src/bin/i2c_blocking_async.rs b/examples/stm32l4/src/bin/i2c_blocking_async.rs
index 07077f9f..136aea84 100644
--- a/examples/stm32l4/src/bin/i2c_blocking_async.rs
+++ b/examples/stm32l4/src/bin/i2c_blocking_async.rs
@@ -2,9 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::i2c::I2c;
@@ -13,7 +14,6 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
 use embassy_traits::adapter::BlockingAsync;
 use embedded_hal_async::i2c::I2c as I2cTrait;
-use example_common::{info, unwrap};
 
 const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
diff --git a/examples/stm32l4/src/bin/i2c_dma.rs b/examples/stm32l4/src/bin/i2c_dma.rs
index d77bee8c..886a0e09 100644
--- a/examples/stm32l4/src/bin/i2c_dma.rs
+++ b/examples/stm32l4/src/bin/i2c_dma.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::i2c::I2c;
 use embassy_stm32::interrupt;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
-use example_common::{info, unwrap};
 
 const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
diff --git a/examples/stm32l4/src/bin/rng.rs b/examples/stm32l4/src/bin/rng.rs
index 37db9e05..5f75c1ff 100644
--- a/examples/stm32l4/src/bin/rng.rs
+++ b/examples/stm32l4/src/bin/rng.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::rcc::{ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{Config, Peripherals};
-use example_common::*;
+use panic_probe as _;
 
 fn config() -> Config {
     let mut config = Config::default();
diff --git a/examples/stm32l4/src/bin/spi.rs b/examples/stm32l4/src/bin/spi.rs
index 8567d306..44fdf81a 100644
--- a/examples/stm32l4/src/bin/spi.rs
+++ b/examples/stm32l4/src/bin/spi.rs
@@ -2,14 +2,14 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
-use example_common::*;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/examples/stm32l4/src/bin/spi_blocking_async.rs b/examples/stm32l4/src/bin/spi_blocking_async.rs
index 89925d30..0398965d 100644
--- a/examples/stm32l4/src/bin/spi_blocking_async.rs
+++ b/examples/stm32l4/src/bin/spi_blocking_async.rs
@@ -2,9 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
@@ -13,7 +14,6 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
 use embassy_traits::adapter::BlockingAsync;
 use embedded_hal_async::spi::SpiBus;
-use example_common::*;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l4/src/bin/spi_dma.rs b/examples/stm32l4/src/bin/spi_dma.rs
index a9327f8f..88d02c7e 100644
--- a/examples/stm32l4/src/bin/spi_dma.rs
+++ b/examples/stm32l4/src/bin/spi_dma.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
-use example_common::*;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l4/src/bin/usart.rs b/examples/stm32l4/src/bin/usart.rs
index 00875c89..b38f5545 100644
--- a/examples/stm32l4/src/bin/usart.rs
+++ b/examples/stm32l4/src/bin/usart.rs
@@ -2,12 +2,12 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
-use example_common::*;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/examples/stm32l4/src/bin/usart_blocking_async.rs b/examples/stm32l4/src/bin/usart_blocking_async.rs
index dae673a5..7efccace 100644
--- a/examples/stm32l4/src/bin/usart_blocking_async.rs
+++ b/examples/stm32l4/src/bin/usart_blocking_async.rs
@@ -2,16 +2,16 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
 use embassy_stm32::Peripherals;
 use embassy_traits::adapter::BlockingAsync;
 use embedded_hal_async::serial::{Read, Write};
-use example_common::*;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l4/src/bin/usart_dma.rs b/examples/stm32l4/src/bin/usart_dma.rs
index b3a1e389..40e2c367 100644
--- a/examples/stm32l4/src/bin/usart_dma.rs
+++ b/examples/stm32l4/src/bin/usart_dma.rs
@@ -2,15 +2,15 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
 use core::fmt::Write;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
 use embassy_stm32::Peripherals;
-use example_common::*;
 use heapless::String;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32l4/src/example_common.rs b/examples/stm32l4/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32l4/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index 87e69c68..e518195b 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -6,8 +6,8 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32u585ai", "memory-x" ]  }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32u585ai", "time-driver-any", "memory-x" ]  }
 
 defmt = "0.3"
 defmt-rtt = "0.3"
diff --git a/examples/stm32u5/src/bin/boot.rs b/examples/stm32u5/src/bin/boot.rs
index 23cfc306..e0402134 100644
--- a/examples/stm32u5/src/bin/boot.rs
+++ b/examples/stm32u5/src/bin/boot.rs
@@ -2,9 +2,9 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
-use example_common::*;
+use defmt::*;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use embassy_stm32 as _;
 
diff --git a/examples/stm32u5/src/example_common.rs b/examples/stm32u5/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32u5/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32wb55/Cargo.toml b/examples/stm32wb55/Cargo.toml
index bd066ef0..8997d411 100644
--- a/examples/stm32wb55/Cargo.toml
+++ b/examples/stm32wb55/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wb55cc", "time-driver-any", "exti"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32wb55/src/bin/blinky.rs b/examples/stm32wb55/src/bin/blinky.rs
index e1dbb30d..59324161 100644
--- a/examples/stm32wb55/src/bin/blinky.rs
+++ b/examples/stm32wb55/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32wb55/src/bin/button_exti.rs b/examples/stm32wb55/src/bin/button_exti.rs
index 4592fa30..a30a4a21 100644
--- a/examples/stm32wb55/src/bin/button_exti.rs
+++ b/examples/stm32wb55/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32wb55/src/example_common.rs b/examples/stm32wb55/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32wb55/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}
diff --git a/examples/stm32wl55/Cargo.toml b/examples/stm32wl55/Cargo.toml
index 4901ea69..97b38aea 100644
--- a/examples/stm32wl55/Cargo.toml
+++ b/examples/stm32wl55/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 resolver = "2"
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "subghz", "unstable-pac", "exti"]  }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time"] }
 
diff --git a/examples/stm32wl55/src/bin/blinky.rs b/examples/stm32wl55/src/bin/blinky.rs
index 9ec208c3..78079bfd 100644
--- a/examples/stm32wl55/src/bin/blinky.rs
+++ b/examples/stm32wl55/src/bin/blinky.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32wl55/src/bin/button.rs b/examples/stm32wl55/src/bin/button.rs
index be8f60e2..f80b9ab4 100644
--- a/examples/stm32wl55/src/bin/button.rs
+++ b/examples/stm32wl55/src/bin/button.rs
@@ -2,10 +2,10 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
-use example_common::*;
+use panic_probe as _;
 
 use cortex_m_rt::entry;
 
diff --git a/examples/stm32wl55/src/bin/button_exti.rs b/examples/stm32wl55/src/bin/button_exti.rs
index 8d66c725..9a427c2d 100644
--- a/examples/stm32wl55/src/bin/button_exti.rs
+++ b/examples/stm32wl55/src/bin/button_exti.rs
@@ -2,13 +2,13 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt::*;
+use defmt_rtt as _; // global logger
 use embassy::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::Peripherals;
-use example_common::*;
+use panic_probe as _;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
diff --git a/examples/stm32wl55/src/bin/lorawan.rs b/examples/stm32wl55/src/bin/lorawan.rs
index 5d26dead..db472563 100644
--- a/examples/stm32wl55/src/bin/lorawan.rs
+++ b/examples/stm32wl55/src/bin/lorawan.rs
@@ -5,8 +5,8 @@
 #![feature(generic_associated_types)]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
 use embassy_lora::{stm32wl::*, LoraTimer};
 use embassy_stm32::{
diff --git a/examples/stm32wl55/src/bin/subghz.rs b/examples/stm32wl55/src/bin/subghz.rs
index 42d4eb64..562e25ac 100644
--- a/examples/stm32wl55/src/bin/subghz.rs
+++ b/examples/stm32wl55/src/bin/subghz.rs
@@ -5,9 +5,10 @@
 #![feature(generic_associated_types)]
 #![feature(type_alias_impl_trait)]
 
-#[path = "../example_common.rs"]
-mod example_common;
+use defmt_rtt as _; // global logger
+use panic_probe as _;
 
+use defmt::*;
 use embassy::channel::signal::Signal;
 use embassy::interrupt::{Interrupt, InterruptExt};
 use embassy_stm32::dma::NoDma;
@@ -16,7 +17,6 @@ use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_stm32::interrupt;
 use embassy_stm32::subghz::*;
 use embassy_stm32::Peripherals;
-use example_common::unwrap;
 
 const PING_DATA: &str = "PING";
 const DATA_LEN: u8 = PING_DATA.len() as u8;
diff --git a/examples/stm32wl55/src/example_common.rs b/examples/stm32wl55/src/example_common.rs
deleted file mode 100644
index 54d63383..00000000
--- a/examples/stm32wl55/src/example_common.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#![macro_use]
-
-use defmt_rtt as _; // global logger
-use panic_probe as _;
-
-pub use defmt::*;
-
-use core::sync::atomic::{AtomicUsize, Ordering};
-
-defmt::timestamp! {"{=u64}", {
-        static COUNT: AtomicUsize = AtomicUsize::new(0);
-        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
-        let n = COUNT.load(Ordering::Relaxed);
-        COUNT.store(n + 1, Ordering::Relaxed);
-        n as u64
-    }
-}