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-rw-r--r--components/drivers/include/drivers/serial.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/serial.h b/components/drivers/include/drivers/serial.h
index b84717ecc8..af467c494e 100644
--- a/components/drivers/include/drivers/serial.h
+++ b/components/drivers/include/drivers/serial.h
@@ -18,6 +18,7 @@
#include <rtthread.h>
+#define BAUD_RATE_4800 4800
#define BAUD_RATE_9600 9600
#define BAUD_RATE_115200 115200