From a95ff9797f5958b9b9c3cdcc7aa1d3604a624efc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Fri, 23 Nov 2018 10:33:23 +0100
Subject: [PATCH] [Makefile] Add padding to binary files for the device

---
 build/targets.device.mak | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/build/targets.device.mak b/build/targets.device.mak
index 5a277dd20..a5231c3ed 100644
--- a/build/targets.device.mak
+++ b/build/targets.device.mak
@@ -9,6 +9,11 @@ products += $(patsubst %.$(EXE),%.map,$(filter %.$(EXE),$(products)))
 %.bin: %.$(EXE)
 	@echo "OBJCOPY $@"
 	$(Q) $(OBJCOPY) -O binary $< $@
+# We pad the device binary files because there was a bug in an older version of
+# the dfu code, and it did not upload properly a binary of length non-multiple
+# of 32 bits.
+	@echo "Padding $@"
+	@echo "\x1\x1\x1\x1" >> $@
 
 .PHONY: %_size
 %_size: %.$(EXE)