Remove preset queue sizes from embassy-time

embassy-time/Cargo.toml

@@ -48,23 +48,6 @@ mock-driver = ["tick-hz-1_000_000"]
 ## To use this you must have a time driver provided.
 generic-queue = []
 
-#! The following features set how many timers are used for the generic queue. At most one
-#! `generic-queue-*` feature can be enabled. If none is enabled, a default of 64 timers is used.
-#!
-#! When using embassy-time from libraries, you should *not* enable any `generic-queue-*` feature, to allow the
-#! end user to pick.
-
-## Generic Queue with 8 timers
-generic-queue-8 = ["generic-queue"]
-## Generic Queue with 16 timers
-generic-queue-16 = ["generic-queue"]
-## Generic Queue with 32 timers
-generic-queue-32 = ["generic-queue"]
-## Generic Queue with 64 timers
-generic-queue-64 = ["generic-queue"]
-## Generic Queue with 128 timers
-generic-queue-128 = ["generic-queue"]
-
 #! ### Tick Rate
 #!
 #! At most 1 `tick-*` feature can be enabled. If none is enabled, a default of 1MHz is used.

embassy-time/src/queue_generic.rs

@@ -7,25 +7,6 @@ use heapless::Vec;
 
 use crate::Instant;
 
-#[cfg(feature = "generic-queue-8")]
-const QUEUE_SIZE: usize = 8;
-#[cfg(feature = "generic-queue-16")]
-const QUEUE_SIZE: usize = 16;
-#[cfg(feature = "generic-queue-32")]
-const QUEUE_SIZE: usize = 32;
-#[cfg(feature = "generic-queue-64")]
-const QUEUE_SIZE: usize = 64;
-#[cfg(feature = "generic-queue-128")]
-const QUEUE_SIZE: usize = 128;
-#[cfg(not(any(
-    feature = "generic-queue-8",
-    feature = "generic-queue-16",
-    feature = "generic-queue-32",
-    feature = "generic-queue-64",
-    feature = "generic-queue-128"
-)))]
-const QUEUE_SIZE: usize = 64;
-
 #[derive(Debug)]
 struct Timer {
     at: Instant,
@@ -53,11 +34,11 @@ impl Ord for Timer {
 }
 
 /// A timer queue with a pre-determined capacity.
-pub struct Queue {
+pub struct Queue<const QUEUE_SIZE: usize> {
     queue: Vec<Timer, QUEUE_SIZE>,
 }
 
-impl Queue {
+impl<const QUEUE_SIZE: usize> Queue<QUEUE_SIZE> {
     /// Creates a new timer queue.
     pub const fn new() -> Self {
         Self { queue: Vec::new() }