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added watch new_with()

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This commit is contained in:
Bronson 2024-11-10 12:54:37 +10:30
parent f9a1511de4
commit 8d0882991e
1 changed files with 27 additions and 15 deletions
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42
embassy-sync/src/watch.rs
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@ -31,7 +31,7 @@ use crate::waitqueue::MultiWakerRegistration;
///
/// let f = async {
///
/// static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
/// static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
///
/// // Obtain receivers and sender
/// let mut rcv0 = WATCH.receiver().unwrap();
@ -299,7 +299,19 @@ impl<M: RawMutex, T: Clone, const N: usize> WatchBehavior<T> for Watch<M, T, N>
impl<M: RawMutex, T: Clone, const N: usize> Watch<M, T, N> {
/// Create a new `Watch` channel.
pub const fn new(data: Option<T>) -> Self {
pub const fn new() -> Self {
Self {
mutex: Mutex::new(RefCell::new(WatchState {
data: None,
current_id: 0,
wakers: MultiWakerRegistration::new(),
receiver_count: 0,
})),
}
}
/// Create a new `Watch` channel.
pub const fn new_with(data: Option<T>) -> Self {
Self {
mutex: Mutex::new(RefCell::new(WatchState {
data,
@ -775,7 +787,7 @@ mod tests {
#[test]
fn multiple_sends() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new();
// Obtain receiver and sender
let mut rcv = WATCH.receiver().unwrap();
@ -801,7 +813,7 @@ mod tests {
#[test]
fn all_try_get() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new();
// Obtain receiver and sender
let mut rcv = WATCH.receiver().unwrap();
@ -835,7 +847,7 @@ mod tests {
static CONFIG0: u8 = 10;
static CONFIG1: u8 = 20;
static WATCH: Watch<CriticalSectionRawMutex, &'static u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, &'static u8, 1> = Watch::new();
// Obtain receiver and sender
let mut rcv = WATCH.receiver().unwrap();
@ -867,7 +879,7 @@ mod tests {
#[test]
fn sender_modify() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new();
// Obtain receiver and sender
let mut rcv = WATCH.receiver().unwrap();
@ -894,7 +906,7 @@ mod tests {
#[test]
fn predicate_fn() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new();
// Obtain receiver and sender
let mut rcv = WATCH.receiver().unwrap();
@ -923,7 +935,7 @@ mod tests {
#[test]
fn receive_after_create() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new();
// Obtain sender and send value
let snd = WATCH.sender();
@ -939,7 +951,7 @@ mod tests {
#[test]
fn max_receivers_drop() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
// Try to create 3 receivers (only 2 can exist at once)
let rcv0 = WATCH.receiver();
@ -964,7 +976,7 @@ mod tests {
#[test]
fn multiple_receivers() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
// Obtain receivers and sender
let mut rcv0 = WATCH.receiver().unwrap();
@ -989,7 +1001,7 @@ mod tests {
fn clone_senders() {
let f = async {
// Obtain different ways to send
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 1> = Watch::new();
let snd0 = WATCH.sender();
let snd1 = snd0.clone();
@ -1010,7 +1022,7 @@ mod tests {
#[test]
fn use_dynamics() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
// Obtain receiver and sender
let mut anon_rcv = WATCH.dyn_anon_receiver();
@ -1031,7 +1043,7 @@ mod tests {
#[test]
fn convert_to_dyn() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
// Obtain receiver and sender
let anon_rcv = WATCH.anon_receiver();
@ -1057,7 +1069,7 @@ mod tests {
#[test]
fn dynamic_receiver_count() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
// Obtain receiver and sender
let rcv0 = WATCH.receiver();
@ -1087,7 +1099,7 @@ mod tests {
#[test]
fn contains_value() {
let f = async {
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new(None);
static WATCH: Watch<CriticalSectionRawMutex, u8, 2> = Watch::new();
// Obtain receiver and sender
let rcv = WATCH.receiver().unwrap();