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-rw-r--r--src/drivers/Cst816s.cpp4
1 files changed, 3 insertions, 1 deletions
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;