+#
+# uncomment these two; to enable EMV
+#
+#APP_CFLAGS += -DWITH_EMV
+#COMMON_FLAGS += -DWITH_EMV
+#
+# uncomment these two; to fix 256 vs 512kb PM3 devices
+# flashing bootrom -b is needed
+#
+APP_CFLAGS += -DHAS_512_FLASH
+COMMON_FLAGS += -DHAS_512_FLASH