From adc908cb53df1538ce10018b72da3f4534eddd96 Mon Sep 17 00:00:00 2001
From: Davide Grohmann <davide.grohmann@arm.com>
Date: Wed, 16 Feb 2022 13:13:27 +0100
Subject: Ensure message-handler can be compiled without EthosU support

Change-Id: I1ae0b1fa6d3c559afd10772778c16002ae93cc63
---
 applications/message_handler/message_handler.cpp | 4 ++++
 applications/message_handler/message_handler.hpp | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/applications/message_handler/message_handler.cpp b/applications/message_handler/message_handler.cpp
index 4b77389..6630c0a 100644
--- a/applications/message_handler/message_handler.cpp
+++ b/applications/message_handler/message_handler.cpp
@@ -513,6 +513,7 @@ void InferenceHandler::runInference(ethosu_core_inference_req &req, ethosu_core_
         job.clean();
     }
 
+#if defined(ETHOSU)
     /*
      * Print PMU counters
      */
@@ -528,6 +529,7 @@ void InferenceHandler::runInference(ethosu_core_inference_req &req, ethosu_core_
             printf("ethosu_pmu_cycle_cntr : %" PRIu64 " cycles\n", rsp.pmu_cycle_counter_count);
         }
     }
+#endif
 
     /*
      * Send inference response
@@ -699,6 +701,7 @@ void OutgoingMessageHandler::readCapabilties(ethosu_core_msg_capabilities_rsp &r
 
 } // namespace MessageHandler
 
+#if defined(ETHOSU)
 extern "C" void ethosu_inference_begin(struct ethosu_driver *drv, void *userArg) {
     MessageHandler::InferenceHandler *self = static_cast<MessageHandler::InferenceHandler *>(userArg);
 
@@ -754,3 +757,4 @@ extern "C" void ethosu_inference_end(struct ethosu_driver *drv, void *userArg) {
     // Disable PMU
     ETHOSU_PMU_Disable(drv);
 }
+#endif
diff --git a/applications/message_handler/message_handler.hpp b/applications/message_handler/message_handler.hpp
index 90b1cd2..13a3c60 100644
--- a/applications/message_handler/message_handler.hpp
+++ b/applications/message_handler/message_handler.hpp
@@ -24,7 +24,9 @@
 #include "semphr.h"
 
 #include "message_queue.hpp"
+#if defined(ETHOSU)
 #include <ethosu_driver.h>
+#endif
 #include <inference_process.hpp>
 #include <mailbox.hpp>
 
@@ -65,8 +67,10 @@ private:
 
     bool getInferenceJob(const EthosU::ethosu_core_inference_req &req, InferenceProcess::InferenceJob &job);
 
+#if defined(ETHOSU)
     friend void ::ethosu_inference_begin(struct ethosu_driver *drv, void *userArg);
     friend void ::ethosu_inference_end(struct ethosu_driver *drv, void *userArg);
+#endif
 
     QueueHandle_t inferenceQueue;
     QueueHandle_t outputQueue;
-- 
cgit v1.2.1