Use JTAG for jlink flashing
@@ -51,6 +51,7 @@ INC += \
#FREERTOS_PORT = ARM_CM3
# For flash-jlink target
+JLINK_IF = jtag
JLINK_DEVICE = gd32vf103cbt6 # Longan Nano 128k ROM 32k RAM
#JLINK_DEVICE = gd32vf103c8t6 # Longan Nano Lite 64k ROM 20k RAM
