From 74e4a744ce0bae127cd2eeac04e62c2bf45a9c93 Mon Sep 17 00:00:00 2001
From: Rodrigo Garcia <rodrigo.garcia@espressif.com>
Date: Fri, 25 Oct 2024 14:48:35 -0300
Subject: [PATCH] feat(uart): uart break example improvement (#10525)

prints the HEXA and CHAR in order to allow the user to see why there is 1 extra char (0x00) when BREAK is received.
---
 .../OnReceiveError_BREAK_Demo/OnReceiveError_BREAK_Demo.ino | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libraries/ESP32/examples/Serial/OnReceiveError_BREAK_Demo/OnReceiveError_BREAK_Demo.ino b/libraries/ESP32/examples/Serial/OnReceiveError_BREAK_Demo/OnReceiveError_BREAK_Demo.ino
index fb7af04c5f5..209cf8922be 100644
--- a/libraries/ESP32/examples/Serial/OnReceiveError_BREAK_Demo/OnReceiveError_BREAK_Demo.ino
+++ b/libraries/ESP32/examples/Serial/OnReceiveError_BREAK_Demo/OnReceiveError_BREAK_Demo.ino
@@ -80,7 +80,11 @@ void onReceiveFunction() {
   received_bytes = received_bytes + available;
   Serial.printf("onReceive Callback:: There are %d bytes available: {", available);
   while (available--) {
-    Serial.print((char)Serial1.read());
+    char c = Serial1.read();
+    Serial.printf("0x%x='%c'", c, c);
+    if (available) {
+      Serial.print(" ");
+    }
   }
   Serial.println("}");
 }