From d596a1091d25e89533d08a1f96678f1c1182dc40 Mon Sep 17 00:00:00 2001
From: djstrickland <96876452+dstric-aqueduct@users.noreply.github.com>
Date: Wed, 13 Dec 2023 10:17:07 -0500
Subject: [PATCH] add `susependable` field to `embassy_usb::builder::Config`
- allow for optional override of `Suspend` event for a UsbDevice
---
embassy-usb/src/builder.rs | 10 ++++++++++
embassy-usb/src/lib.rs | 8 +++++---
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/embassy-usb/src/builder.rs b/embassy-usb/src/builder.rs
index c4705d041..ebc1283e6 100644
--- a/embassy-usb/src/builder.rs
+++ b/embassy-usb/src/builder.rs
@@ -94,6 +94,15 @@ pub struct Config<'a> {
/// Default: 100mA
/// Max: 500mA
pub max_power: u16,
+
+ /// Allow the bus to be suspended.
+ ///
+ /// If set to `true`, the bus will put itself in the suspended state
+ /// when it receives a `driver::Event::Suspend` bus event. If you wish
+ /// to override this behavior, set this field to `false`.
+ ///
+ /// Default: `true`
+ pub suspendable: bool,
}
impl<'a> Config<'a> {
@@ -114,6 +123,7 @@ impl<'a> Config<'a> {
supports_remote_wakeup: false,
composite_with_iads: false,
max_power: 100,
+ suspendable: true,
}
}
}
diff --git a/embassy-usb/src/lib.rs b/embassy-usb/src/lib.rs
index 241e33a78..ff3295871 100644
--- a/embassy-usb/src/lib.rs
+++ b/embassy-usb/src/lib.rs
@@ -471,9 +471,11 @@ impl<'d, D: Driver<'d>> Inner<'d, D> {
}
Event::Suspend => {
trace!("usb: suspend");
- self.suspended = true;
- for h in &mut self.handlers {
- h.suspended(true);
+ if self.config.suspendable {
+ self.suspended = true;
+ for h in &mut self.handlers {
+ h.suspended(true);
+ }
}
}
Event::PowerDetected => {