From 90ee156f5b5c7848c8bbb279a276e9e6cf13f640 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Mon, 25 Mar 2019 11:27:59 +0100
Subject: [PATCH] [ion/n0101] Add assertion on BUSY state of the external flash

---
 ion/src/device/shared/drivers/external_flash.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ion/src/device/shared/drivers/external_flash.cpp b/ion/src/device/shared/drivers/external_flash.cpp
index 5c4412c0d..ecd133bb4 100644
--- a/ion/src/device/shared/drivers/external_flash.cpp
+++ b/ion/src/device/shared/drivers/external_flash.cpp
@@ -203,6 +203,8 @@ static void send_command_full(QUADSPI::CCR::FunctionalMode functionalMode, QUADS
     }
   }
 
+  assert(QUADSPI.CCR()->getFMODE() != QUADSPI::CCR::FunctionalMode::MemoryMapped || QUADSPI.SR()->getBUSY() == 0);
+
   class QUADSPI::CCR ccr(0);
   ccr.setFMODE(functionalMode);
   if (data != nullptr || functionalMode == QUADSPI::CCR::FunctionalMode::MemoryMapped) {