From 9388d8358eefc1bdb7f500310c8365acb0899845 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Mon, 20 Mar 2017 11:26:32 +0200
Subject: [PATCH] Return true for boolean test on Serial

Fixes: https://github.com/espressif/arduino-esp32/issues/270
---
 cores/esp32/HardwareSerial.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/esp32/HardwareSerial.cpp b/cores/esp32/HardwareSerial.cpp
index 1b03d2a3..84124bd4 100644
--- a/cores/esp32/HardwareSerial.cpp
+++ b/cores/esp32/HardwareSerial.cpp
@@ -89,5 +89,5 @@ size_t HardwareSerial::write(const uint8_t *buffer, size_t size)
 
 HardwareSerial::operator bool() const
 {
-    return _uart != 0;
+    return true;
 }