From 2254f32dbaea3d57ecc8df04ae4ae85c15eccb2b Mon Sep 17 00:00:00 2001
From: Sandeep Mistry <s.mistry@arduino.cc>
Date: Tue, 3 Sep 2019 16:50:03 -0400
Subject: [PATCH] Use SpiDrv::available() to speed up
 ServerDrv::getDataBuf(...) in no socket data scenario

---
 src/utility/server_drv.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/utility/server_drv.cpp b/src/utility/server_drv.cpp
index d97fbbbe..b8565f2e 100644
--- a/src/utility/server_drv.cpp
+++ b/src/utility/server_drv.cpp
@@ -323,6 +323,12 @@ bool ServerDrv::getData(uint8_t sock, uint8_t *data, uint8_t peek)
 
 bool ServerDrv::getDataBuf(uint8_t sock, uint8_t *_data, uint16_t *_dataLen)
 {
+    if (!SpiDrv::available())
+    {
+        *_dataLen = 0;
+        return false;
+    }
+    
 	WAIT_FOR_SLAVE_SELECT();
     // Send Command
     SpiDrv::sendCmd(GET_DATABUF_TCP_CMD, PARAM_NUMS_2);