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-rw-r--r--bsp/apollo2/rtconfig.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/bsp/apollo2/rtconfig.h b/bsp/apollo2/rtconfig.h
index 5f94db4eff..dfa458bc4e 100644
--- a/bsp/apollo2/rtconfig.h
+++ b/bsp/apollo2/rtconfig.h
@@ -99,6 +99,7 @@
#define RT_USING_DEVICE_IPC
#define RT_USING_SERIAL
+#define RT_SERIAL_USING_DMA
/* RT_USING_CAN is not set */
/* RT_USING_HWTIMER is not set */
#define RT_USING_I2C