From cc760c54018ba142d283350e653881b11485c4ff Mon Sep 17 00:00:00 2001
From: Hake Huang <hake.huang@oss.nxp.com>
Date: Tue, 24 Aug 2021 12:34:49 +0800
Subject: [PATCH] sample: usb: hid-cdc: add a sleep for cpu to response

add a sleep while the uart init is fail.
so cpu will have chance to output error message

Signed-off-by: Hake Huang <hake.huang@oss.nxp.com>
---
 samples/subsys/usb/hid-cdc/src/main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/samples/subsys/usb/hid-cdc/src/main.c b/samples/subsys/usb/hid-cdc/src/main.c
index 5fe978916c1..243c3061dbf 100644
--- a/samples/subsys/usb/hid-cdc/src/main.c
+++ b/samples/subsys/usb/hid-cdc/src/main.c
@@ -637,6 +637,9 @@ void main(void)
 					   &dtr);
 			if (dtr) {
 				break;
+			} else {
+				/* Give CPU resources to low priority threads. */
+				k_sleep(K_MSEC(100));
 			}
 		}