diff --git a/src/utility/spi_drv.h b/src/utility/spi_drv.h
index c4b5a3c3..48991c63 100644
--- a/src/utility/spi_drv.h
+++ b/src/utility/spi_drv.h
@@ -88,6 +88,8 @@ class SpiDrv
     static void sendParamLen8(uint8_t param_len);
 
     static void sendParamLen16(uint16_t param_len);
+	
+    static void sendParamNoLen(uint8_t*, size_t, int);
 
     static uint8_t readParamLen8(uint8_t* param_len = NULL);