27 files changed, 102 insertions, 279 deletions

diff --git a/embassy-hal-common/Cargo.toml b/embassy-hal-common/Cargo.toml
index 575007070..2028b0e0c 100644
--- a/embassy-hal-common/Cargo.toml
+++ b/embassy-hal-common/Cargo.toml
@@ -5,16 +5,11 @@ authors = ["Dario Nieuwenhuis <[email protected]>"]
 edition = "2018"
 
 [features]
-defmt-trace = [ ]
-defmt-debug = [ ]
-defmt-info = [ ]
-defmt-warn = [ ]
-defmt-error = [ ]
 
 [dependencies]
 embassy = { version = "0.1.0", path = "../embassy" }
 
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 cortex-m = "0.7.3"
 usb-device = "0.2.8"
diff --git a/embassy-lora/Cargo.toml b/embassy-lora/Cargo.toml
index 00bd3b847..fa46d43f5 100644
--- a/embassy-lora/Cargo.toml
+++ b/embassy-lora/Cargo.toml
@@ -11,15 +11,9 @@ sx127x = []
 stm32wl = ["embassy-stm32", "embassy-stm32/subghz"]
 time = []
 
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
 
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 
 embassy = { version = "0.1.0", path = "../embassy", default-features = false }
diff --git a/embassy-net/Cargo.toml b/embassy-net/Cargo.toml
index 161a3946e..4b932ceb3 100644
--- a/embassy-net/Cargo.toml
+++ b/embassy-net/Cargo.toml
@@ -7,11 +7,6 @@ edition = "2018"
 [features]
 default = ["pool-4"]
 std = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
 
 tcp = ["smoltcp/socket-tcp"]
 dhcpv4 = ["medium-ethernet", "smoltcp/socket-dhcpv4"]
@@ -25,7 +20,7 @@ pool-32 = []
 
 [dependencies]
 
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 
 embassy             = { version = "0.1.0", path = "../embassy" }
@@ -39,8 +34,8 @@ futures             = { version = "0.3.17", default-features = false, features =
 atomic-pool = "0.2.1"
 
 [dependencies.smoltcp]
-git = "https://github.com/smoltcp-rs/smoltcp"
-rev = "e4241510337e095b9d21136c5f58b2eaa1b78479"
+git = "https://github.com/bobmcwhirter/smoltcp"
+rev = "faf81d21daae16b650b16e59a8422a8283e8a302"
 default-features = false
 features = [
   "proto-ipv4",
diff --git a/embassy-nrf/Cargo.toml b/embassy-nrf/Cargo.toml
index 3ce174372..dae9f26ae 100644
--- a/embassy-nrf/Cargo.toml
+++ b/embassy-nrf/Cargo.toml
@@ -12,12 +12,6 @@ edition = "2018"
 # There are no plans to make this stable.
 unstable-pac = []
 
-defmt-trace = [ ]
-defmt-debug = [ ]
-defmt-info = [ ]
-defmt-warn = [ ]
-defmt-error = [ ]
-
 nrf52805 = ["nrf52805-pac", "_ppi"]
 nrf52810 = ["nrf52810-pac", "_ppi"]
 nrf52811 = ["nrf52811-pac", "_ppi"]
@@ -53,7 +47,7 @@ embassy = { version = "0.1.0", path = "../embassy" }
 embassy-macros = { version = "0.1.0", path = "../embassy-macros", features = ["nrf"]}
 embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common" }
 
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 cortex-m-rt = ">=0.6.15,<0.8"
 cortex-m = "0.7.3"
diff --git a/embassy-rp/Cargo.toml b/embassy-rp/Cargo.toml
index 21a19a632..be41f95eb 100644
--- a/embassy-rp/Cargo.toml
+++ b/embassy-rp/Cargo.toml
@@ -12,18 +12,12 @@ edition = "2018"
 # There are no plans to make this stable.
 unstable-pac = []
 
-defmt-trace = [ ]
-defmt-debug = [ ]
-defmt-info = [ ]
-defmt-warn = [ ]
-defmt-error = [ ]
-
 [dependencies]
 embassy = { version = "0.1.0", path = "../embassy", features = [ "time-tick-1mhz" ] }
 embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common" }
 embassy-macros = { version = "0.1.0", path = "../embassy-macros", features = ["rp"]}
 atomic-polyfill = "0.1.5"
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 cortex-m-rt = ">=0.6.15,<0.8"
 cortex-m = "0.7.3"
diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index d6b0586c9..f074a6b05 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -12,7 +12,7 @@ embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common" }
 embassy-traits = {version = "0.1.0", path = "../embassy-traits" }
 embassy-net = { version = "0.1.0", path = "../embassy-net", default-features = false, optional = true }
 
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 cortex-m-rt = ">=0.6.15,<0.8"
 cortex-m = "0.7.3"
@@ -26,7 +26,8 @@ bare-metal = "1.0.0"
 atomic-polyfill = "0.1.5"
 stm32-metapac = { version = "0.1.0", path = "../stm32-metapac", features = ["rt"] }
 vcell = { version = "0.1.3", optional = true }
-bxcan = "0.5.1"
+bxcan = "0.6.2"
+
 seq-macro = "0.2.2"
 
 cfg-if = "1.0.0"
@@ -37,11 +38,6 @@ serde = { version = "1.0.130", features = [ "derive" ] }
 serde_yaml = "0.8.21"
 
 [features]
-defmt-trace = [ ]
-defmt-debug = [ ]
-defmt-info = [ ]
-defmt-warn = [ ]
-defmt-error = [ ]
 sdmmc-rs = ["embedded-sdmmc"]
 net = ["embassy-net", "vcell"]
 memory-x = ["stm32-metapac/memory-x"]
diff --git a/embassy-stm32/src/can/bxcan.rs b/embassy-stm32/src/can/bxcan.rs
index 191fc42a1..cc057b092 100644
--- a/embassy-stm32/src/can/bxcan.rs
+++ b/embassy-stm32/src/can/bxcan.rs
@@ -35,7 +35,7 @@ impl<'d, T: Instance + bxcan::Instance> Can<'d, T> {
 
         Self {
             phantom: PhantomData,
-            can: bxcan::Can::new(peri),
+            can: bxcan::Can::builder(peri).enable(),
         }
     }
 }
diff --git a/embassy-traits/Cargo.toml b/embassy-traits/Cargo.toml
index 9e23453a8..c98b583e5 100644
--- a/embassy-traits/Cargo.toml
+++ b/embassy-traits/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2018"
 std = []
 
 [dependencies]
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 embedded-hal = { version = "0.2.6", features = ["unproven"] }
diff --git a/embassy/Cargo.toml b/embassy/Cargo.toml
index d531ce3f9..bbe657f40 100644
--- a/embassy/Cargo.toml
+++ b/embassy/Cargo.toml
@@ -23,16 +23,10 @@ time-tick-32768hz = ["time"]
 time-tick-1000hz = ["time"]
 time-tick-1mhz = ["time"]
 
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 executor-agnostic = []
 
 [dependencies]
-defmt = { version = "0.2.3", optional = true }
+defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 
 cortex-m = "0.7.3"
diff --git a/examples/nrf/Cargo.toml b/examples/nrf/Cargo.toml
index b89aa513f..5b4662b4c 100644
--- a/examples/nrf/Cargo.toml
+++ b/examples/nrf/Cargo.toml
@@ -4,30 +4,19 @@ edition = "2018"
 name = "embassy-nrf-examples"
 version = "0.1.0"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["defmt", "defmt-trace", "nrf52840", "time-driver-rtc1", "gpiote"] }
+embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["defmt", "nrf52840", "time-driver-rtc1", "gpiote"] }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = { version = "0.7.3", features = ["inline-asm"] }
 cortex-m-rt = "0.7.0"
 embedded-hal    = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rand = { version = "0.8.4", default-features = false }
 embedded-storage = "0.2.0"
diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index 9caa37179..37f41b8e8 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -4,30 +4,19 @@ edition = "2018"
 name = "embassy-rp-examples"
 version = "0.1.0"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
-embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
+embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt"] }
 atomic-polyfill = "0.1.5"
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = { version = "0.7.3", features = ["inline-asm"] }
 cortex-m-rt = "0.7.0"
 embedded-hal    = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await", "cfg-target-has-atomic", "unstable"] }
 display-interface-spi = "0.4.1"
 embedded-graphics = "0.7.1"
diff --git a/examples/std/Cargo.toml b/examples/std/Cargo.toml
index 002d0487a..2e2f0bd1c 100644
--- a/examples/std/Cargo.toml
+++ b/examples/std/Cargo.toml
@@ -7,7 +7,6 @@ version = "0.1.0"
 [dependencies]
 embassy = { version = "0.1.0", path = "../../embassy", features = ["log", "std", "time"] }
 embassy-net = { version = "0.1.0", path = "../../embassy-net", features=["std", "log", "medium-ethernet", "tcp", "dhcpv4"] }
-smoltcp = { git = "https://github.com/smoltcp-rs/smoltcp", rev="e4241510337e095b9d21136c5f58b2eaa1b78479", default-features = false }
 
 async-io = "1.6.0"
 env_logger = "0.9.0"
@@ -18,3 +17,8 @@ libc = "0.2.101"
 clap = { version = "3.0.0-beta.5", features = ["derive"] }
 rand_core   = { version = "0.6.3", features = ["std"] }
 heapless            = { version = "0.7.5", default-features = false }
+
+[dependencies.smoltcp]
+git = "https://github.com/bobmcwhirter/smoltcp"
+rev = "faf81d21daae16b650b16e59a8422a8283e8a302"
+default-features = false
diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index e586748ab..dcc2e206c 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -10,20 +10,10 @@ resolver = "2"
 [dependencies]
 cortex-m = { version = "0.7.3", features = ["inline-asm"] }
 cortex-m-rt = "0.7.0"
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
-panic-probe = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
+panic-probe = "0.3"
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 embassy = { path = "../../embassy", features = ["defmt"] }
 embassy-stm32 = { path = "../../embassy-stm32", features = ["defmt", "memory-x", "stm32f030f4", "time-driver-tim3"] }
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index 9b4e831ef..0edfacd91 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -5,30 +5,19 @@ name = "embassy-stm32f1-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-tim2"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-tim2"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index ce3a26bbf..ef57acf01 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -5,30 +5,20 @@ name = "embassy-stm32f4-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-tim2"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-tim2"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32f4/src/bin/can.rs b/examples/stm32f4/src/bin/can.rs
index 21b9a6004..4c575aa87 100644
--- a/examples/stm32f4/src/bin/can.rs
+++ b/examples/stm32f4/src/bin/can.rs
@@ -26,12 +26,13 @@ fn main() -> ! {
 
     let mut can = Can::new(p.CAN1, p.PA11, p.PA12);
 
+    can.modify_filters().enable_bank(0, Mask32::accept_all());
+
     can.modify_config()
         .set_bit_timing(0x001c0003) // http://www.bittiming.can-wiki.info/
         .set_loopback(true) // Receive own frames
-        .set_silent(true);
-    can.modify_filters().enable_bank(0, Mask32::accept_all());
-    unwrap!(nb::block!(can.enable()));
+        .set_silent(true)
+        .enable();
 
     let mut i: u8 = 0;
     loop {
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index f49a23e31..8d7710c44 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -5,32 +5,21 @@ name = "embassy-stm32f7-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "net", "stm32f767zi", "unstable-pac", "time-driver-tim2"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-tim2"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
-embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt-debug", "defmt", "tcp", "medium-ethernet", "pool-16"] }
+embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
 embassy-macros = { path = "../../embassy-macros" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
@@ -40,8 +29,8 @@ critical-section = "0.2.3"
 
 
 [dependencies.smoltcp]
-git = "https://github.com/smoltcp-rs/smoltcp"
-rev = "e4241510337e095b9d21136c5f58b2eaa1b78479"
+git = "https://github.com/bobmcwhirter/smoltcp"
+rev = "faf81d21daae16b650b16e59a8422a8283e8a302"
 default-features = false
 features = [
     "proto-ipv4",
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index 58a62f7be..c7f5d41bb 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -5,30 +5,19 @@ name = "embassy-stm32g0-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "time-driver-tim2", "stm32g071rb", "unstable-pac"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-tim2", "stm32g071rb", "unstable-pac"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index e83ee3585..6b51f2ab8 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -6,31 +6,22 @@ version = "0.1.0"
 resolver = "2"
 
 [features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32h743zi", "net", "time-driver-tim2"] }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32h743zi", "net", "time-driver-tim2"] }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
-embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt-debug", "defmt", "tcp", "medium-ethernet", "pool-16"] }
+embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
 embassy-macros = { path = "../../embassy-macros" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
@@ -40,8 +31,8 @@ critical-section = "0.2.5"
 micromath = "2.0.0"
 
 [dependencies.smoltcp]
-git = "https://github.com/smoltcp-rs/smoltcp"
-rev = "e4241510337e095b9d21136c5f58b2eaa1b78479"
+git = "https://github.com/bobmcwhirter/smoltcp"
+rev = "faf81d21daae16b650b16e59a8422a8283e8a302"
 default-features = false
 features = [
   "proto-ipv4",
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index c9d94496d..70493b469 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -5,21 +5,10 @@ name = "embassy-stm32l0-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32l072cz", "time-driver-tim3"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-tim3"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 embassy-macros = { path = "../../embassy-macros" }
 
@@ -27,13 +16,13 @@ embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx
 lorawan-device = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "4bff2e0021103adfbccedcbf49dbcd0474adc4b2", default-features = false, features = ["async"] }
 lorawan-encoding = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "4bff2e0021103adfbccedcbf49dbcd0474adc4b2", default-features = false, features = ["default-crypto"] }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index e4dd7186a..f9d3b29ea 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -5,31 +5,20 @@ name = "embassy-stm32l1-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32l151cb-a", "time-driver-tim2", "memory-x"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l151cb-a", "time-driver-tim2", "memory-x"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 embassy-macros = { path = "../../embassy-macros" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32l4/Cargo.toml b/examples/stm32l4/Cargo.toml
index 26d4cae48..c6862b211 100644
--- a/examples/stm32l4/Cargo.toml
+++ b/examples/stm32l4/Cargo.toml
@@ -6,29 +6,20 @@ version = "0.1.0"
 resolver = "2"
 
 [features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
 
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt" ] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "unstable-pac", "stm32l4s5vi", "time-driver-tim2"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "unstable-pac", "stm32l4s5vi", "time-driver-tim2"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32u5/.cargo/config.toml b/examples/stm32u5/.cargo/config.toml
index 9f5e14801..826fd33f3 100644
--- a/examples/stm32u5/.cargo/config.toml
+++ b/examples/stm32u5/.cargo/config.toml
@@ -1,7 +1,9 @@
 [target.'cfg(all(target_arch = "arm", target_os = "none"))']
 # replace STM32F429ZITx with your chip as listed in `probe-run --list-chips`
 #runner = "probe-run --chip STM32U585AIIx"
-runner = "/Users/bob/outboard-repos/probe-run/target/debug/probe-run-rp --chip STM32U585AIIx"
+#runner = "/Users/bob/outboard-repos/probe-run/target/debug/probe-run-rp --chip STM32U585AIIx"
+#runner = "/Users/bob/repos/probe-run/target/debug/probe-run --chip STM32U585AIIx"
+runner = "probe-run --chip STM32U585AIIx"
 
 [build]
 target = "thumbv7em-none-eabi"
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index e84e1992f..1a5facdab 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -5,30 +5,19 @@ name = "embassy-stm32u5-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "unstable-pac", "stm32u585ai", "memory-x" ]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "unstable-pac", "stm32u585ai", "memory-x" ]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
-defmt = "0.2"
-defmt-rtt = "0.2"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32u5/src/bin/boot.rs b/examples/stm32u5/src/bin/boot.rs
index 91eff735d..23cfc3061 100644
--- a/examples/stm32u5/src/bin/boot.rs
+++ b/examples/stm32u5/src/bin/boot.rs
@@ -12,5 +12,7 @@ use embassy_stm32 as _;
 fn main() -> ! {
     info!("Hello World!");
 
-    loop {}
+    loop {
+        //defmt::info!("loop!");
+    }
 }
diff --git a/examples/stm32wb55/Cargo.toml b/examples/stm32wb55/Cargo.toml
index 3a6f63baf..1b03bd486 100644
--- a/examples/stm32wb55/Cargo.toml
+++ b/examples/stm32wb55/Cargo.toml
@@ -5,30 +5,19 @@ name = "embassy-stm32wb55-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32wb55cc", "time-driver-tim2"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wb55cc", "time-driver-tim2"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32wl55/Cargo.toml b/examples/stm32wl55/Cargo.toml
index d92f7aa00..00b46696a 100644
--- a/examples/stm32wl55/Cargo.toml
+++ b/examples/stm32wl55/Cargo.toml
@@ -5,34 +5,23 @@ name = "embassy-stm32wl55-examples"
 version = "0.1.0"
 resolver = "2"
 
-[features]
-default = [
-    "defmt-default",
-]
-defmt-default = []
-defmt-trace = []
-defmt-debug = []
-defmt-info = []
-defmt-warn = []
-defmt-error = []
-
 [dependencies]
-embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
+embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
 embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32wl55jc_cm4", "time-driver-tim2", "memory-x", "subghz", "unstable-pac"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wl55jc_cm4", "time-driver-tim2", "memory-x", "subghz", "unstable-pac"]  }
 embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time"] }
 
 lorawan-device = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "4bff2e0021103adfbccedcbf49dbcd0474adc4b2", default-features = false, features = ["async"] }
 lorawan-encoding = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "4bff2e0021103adfbccedcbf49dbcd0474adc4b2", default-features = false, features = ["default-crypto"] }
 
-defmt = "0.2.3"
-defmt-rtt = "0.2.0"
+defmt = "0.3"
+defmt-rtt = "0.3"
 
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-panic-probe = { version = "0.2.0", features = ["print-defmt"] }
+panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 heapless = { version = "0.7.5", default-features = false }