From 21b971c7e4cb64b2b1e814d3dfed346cd49f028d Mon Sep 17 00:00:00 2001
From: Krzysztof Bogucki <kristofbo@gmail.com>
Date: Wed, 21 Mar 2018 17:09:06 +0100
Subject: [PATCH] [nrf52840] custom EUI-64 get (#2631)

---
 examples/platforms/nrf52840/radio.c       |  2 ++
 src/core/openthread-core-default-config.h | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/examples/platforms/nrf52840/radio.c b/examples/platforms/nrf52840/radio.c
index 4685e0163..9e5050b34 100644
--- a/examples/platforms/nrf52840/radio.c
+++ b/examples/platforms/nrf52840/radio.c
@@ -170,6 +170,7 @@ static inline void clearPendingEvents(void)
     } while (__STREXW(pendingEvents, (unsigned long volatile *)&sPendingEvents));
 }
 
+#if !OPENTHREAD_CONFIG_ENABLE_PLATFORM_EUI64_CUSTOM_SOURCE
 void otPlatRadioGetIeeeEui64(otInstance *aInstance, uint8_t *aIeeeEui64)
 {
     (void)aInstance;
@@ -179,6 +180,7 @@ void otPlatRadioGetIeeeEui64(otInstance *aInstance, uint8_t *aIeeeEui64)
 
     memcpy(aIeeeEui64, &factoryAddress, sizeof(factoryAddress));
 }
+#endif // OPENTHREAD_CONFIG_ENABLE_PLATFORM_EUI64_CUSTOM_SOURCE
 
 void otPlatRadioSetPanId(otInstance *aInstance, uint16_t aPanId)
 {
diff --git a/src/core/openthread-core-default-config.h b/src/core/openthread-core-default-config.h
index ad08dee8d..b87c2e8c2 100644
--- a/src/core/openthread-core-default-config.h
+++ b/src/core/openthread-core-default-config.h
@@ -921,6 +921,16 @@
 #define OPENTHREAD_CONFIG_ENABLE_PLATFORM_USEC_TIMER 0
 #endif
 
+/**
+ * @def OPENTHREAD_CONFIG_ENABLE_PLATFORM_EUI64_CUSTOM_SOURCE
+ *
+ * Allows to define custom otPlatRadioGetIeeeEui64 function to retrieve EUI-64.
+ *
+ */
+#ifndef OPENTHREAD_CONFIG_ENABLE_PLATFORM_EUI64_CUSTOM_SOURCE
+#define OPENTHREAD_CONFIG_ENABLE_PLATFORM_EUI64_CUSTOM_SOURCE 0
+#endif
+
 /**
  * @def OPENTHREAD_CONFIG_ENABLE_AUTO_START_SUPPORT
  *