From a00ede298ee6b1310986f99b0bd8f57585446602 Mon Sep 17 00:00:00 2001
From: Hemanth Bollamreddi <blmhemu@gmail.com>
Date: Mon, 18 Apr 2022 20:04:51 +0530
Subject: [PATCH] Added extern C for arduino ad esp idf component (#547)

Co-authored-by: Hemanth Bollamreddi <hbollamreddi@vmware.com>
---
 examples/espidf-arduino-blink/src/Blink.cpp   | 4 ++--
 examples/espidf-arduino-wifiscan/src/main.cpp | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/espidf-arduino-blink/src/Blink.cpp b/examples/espidf-arduino-blink/src/Blink.cpp
index 771ad74..c69fd30 100644
--- a/examples/espidf-arduino-blink/src/Blink.cpp
+++ b/examples/espidf-arduino-blink/src/Blink.cpp
@@ -51,7 +51,7 @@ void arduinoTask(void *pvParameter) {
     }
 }
 
-void app_main()
+extern "C" void app_main()
 {
     // initialize arduino library before we start the tasks
     initArduino();
@@ -70,4 +70,4 @@ void loop() {
     Serial.println("Hello!");
     delay(1000);
 }
-#endif 
\ No newline at end of file
+#endif
diff --git a/examples/espidf-arduino-wifiscan/src/main.cpp b/examples/espidf-arduino-wifiscan/src/main.cpp
index 3caa3b9..32d8768 100644
--- a/examples/espidf-arduino-wifiscan/src/main.cpp
+++ b/examples/espidf-arduino-wifiscan/src/main.cpp
@@ -51,7 +51,7 @@ void arduinoTask(void *pvParameter) {
     }
 }
 
-void app_main()
+extern "C" void app_main()
 {
     // initialize arduino library before we start the tasks
     initArduino();