From 7921aae6e2f824e217a5cb3da1337876bfd9d3a9 Mon Sep 17 00:00:00 2001 From: Zixun LI Date: Mon, 19 Jan 2026 10:53:48 +0100 Subject: example: update comment on CDC EP size Signed-off-by: Zixun LI --- examples/device/cdc_uac2/src/tusb_config.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'examples/device/cdc_uac2/src') diff --git a/examples/device/cdc_uac2/src/tusb_config.h b/examples/device/cdc_uac2/src/tusb_config.h index b7ece8b7c..5eb2e8f74 100644 --- a/examples/device/cdc_uac2/src/tusb_config.h +++ b/examples/device/cdc_uac2/src/tusb_config.h @@ -160,6 +160,8 @@ extern "C" { #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // CDC Endpoint transfer buffer size, more is faster +// Leave it as default size (512 for HS, 64 for FS) unless your host application +// is able to send ZLP (Zero Length Packet) to terminate transfer ! #define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #ifdef __cplusplus -- cgit v1.3.1