From 8a8c8aa86312840a84533318bff92fdb6c42b8de Mon Sep 17 00:00:00 2001
From: JF <jf@codingfield.com>
Date: Tue, 27 Oct 2020 19:46:51 +0100
Subject: Handle error code when calling TwiMaster::Read().

---
 src/drivers/Cst816s.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/drivers/Cst816s.cpp')

diff --git a/src/drivers/Cst816s.cpp b/src/drivers/Cst816s.cpp
index f6816545..94db3b34 100644
--- a/src/drivers/Cst816s.cpp
+++ b/src/drivers/Cst816s.cpp
@@ -37,7 +37,9 @@ void Cst816S::Init() {
 Cst816S::TouchInfos Cst816S::GetTouchInfo() {
   Cst816S::TouchInfos info;
 
-  twiMaster.Read(twiAddress, 0, touchData, 63);
+  auto ret = twiMaster.Read(twiAddress, 0, touchData, 63);
+  if(ret != TwiMaster::ErrorCodes::NoError) return {};
+
   auto nbTouchPoints = touchData[2] & 0x0f;
 
 //  uint8_t i = 0;
-- 
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