summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorhathach <[email protected]>2021-05-30 23:44:29 +0700
committerhathach <[email protected]>2021-05-30 23:44:29 +0700
commitc2a0c1507b0db15a06773e321bd5c782bac54d39 (patch)
tree4e398eaeb1eea9db4980dcf1b5c55aa3390575c5 /src
parent54c915057484d4d63d0697114f156aef2837b728 (diff)
add more comment
Diffstat (limited to 'src')
-rw-r--r--src/portable/raspberrypi/rp2040/rp2040_usb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/portable/raspberrypi/rp2040/rp2040_usb.c b/src/portable/raspberrypi/rp2040/rp2040_usb.c
index 7718293e5..a0263612f 100644
--- a/src/portable/raspberrypi/rp2040/rp2040_usb.c
+++ b/src/portable/raspberrypi/rp2040/rp2040_usb.c
@@ -136,6 +136,7 @@ void _hw_endpoint_start_next_buffer(struct hw_endpoint *ep)
// Special case with control status stage where PID is always DATA1
if ( ep->transfer_size == 0 )
{
+ // ZLP also toggle data
ep->next_pid ^= 1u;
}else
{