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-rw-r--r--Demos/Device/LowLevel/USBtoSerial/makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/Demos/Device/LowLevel/USBtoSerial/makefile b/Demos/Device/LowLevel/USBtoSerial/makefile
index c23211cb7..8e989d52c 100644
--- a/Demos/Device/LowLevel/USBtoSerial/makefile
+++ b/Demos/Device/LowLevel/USBtoSerial/makefile
@@ -127,7 +127,8 @@ LUFA_OPTS = -D USE_NONSTANDARD_DESCRIPTOR_NAMES
LUFA_OPTS += -D NO_STREAM_CALLBACKS
LUFA_OPTS += -D USB_DEVICE_ONLY
LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
-LUFA_OPTS += -D USE_SINGLE_DEVICE_CONFIGURATION
+LUFA_OPTS += -D TOTAL_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"