ETM simplifications

esp-hal/CHANGELOG.md

@@ -73,6 +73,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Removed the pin type parameters from `lcd_cam::cam::{RxEightBits, RxSixteenBits}` (#2388)
 - Most of the async-specific constructors (`new_async`, `new_async_no_transceiver`) have been removed. (#2430)
 - The `configure_for_async` DMA functions have been removed (#2430)
+- The `GpioEtm` prefix has been removed from `gpio::etm` types (#2427)
+- The `TimerEtm` prefix has been removed from `timer::timg::etm` types (#2427)
+- The `SysTimerEtm` prefix has been removed from `timer::systimer::etm` types (#2427)
+- The `GpioEtmEventRising`, `GpioEtmEventFalling`, `GpioEtmEventAny` types have been replaced with `Event` (#2427)
+- The `TaskSet`, `TaskClear`, `TaskToggle` types have been replaced with `Event` (#2427)
 
 ## [0.21.1]
 

esp-hal/MIGRATING-0.21.md

@@ -230,3 +230,11 @@ The previous signal function have been replaced by `split`. This change affects
 
 `into_peripheral_output`, `split` (for output pins only) and `peripheral_input` have been added to
 the GPIO drivers (`Input`, `Output`, `OutputOpenDrain` and `Flex`) instead.
+
+# ETM simplifications
+
+- The types are no longer prefixed with `GpioEtm`, `TimerEtm` or `SysTimerEtm`. You can still use
+  import aliasses in case you need to differentiate due to name collisions
+  (e.g. `use esp_hal::gpio::etm::Event as GpioEtmEvent`).
+- The old task and event types have been replaced by `Task` and `Event`.
+- GPIO tasks and events are no longer generic.