From 3a5de79241f2562c25a34ab41d7e7bec4cddca2f Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Sat, 20 May 2023 11:00:25 +0800
Subject: [PATCH] Don't sent 64 byte USB packets
This should let us ignore ZLP problems.
Perhaps performance could be improved later.
---
embassy/demos/picow/src/usbserial.rs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/embassy/demos/picow/src/usbserial.rs b/embassy/demos/picow/src/usbserial.rs
index 91d111d..7a90a46 100644
--- a/embassy/demos/picow/src/usbserial.rs
+++ b/embassy/demos/picow/src/usbserial.rs
@@ -88,7 +88,8 @@ pub async fn usb_serial(usb: embassy_rp::peripherals::USB,
};
let io_rx = async {
- let mut b = [0u8; 64];
+ // limit to 63 so we can ignore dealing with ZLPs for now
+ let mut b = [0u8; 63];
loop {
let n = rx.read(&mut b).await.map_err(|_| IoDone)?;
if n == 0 {
--
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