diff options
| author | JF <jf@codingfield.com> | 2020-10-27 19:46:51 +0100 |
|---|---|---|
| committer | JF <jf@codingfield.com> | 2020-10-27 19:46:51 +0100 |
| commit | 8a8c8aa86312840a84533318bff92fdb6c42b8de (patch) | |
| tree | 9b9b65f3f6c7ec6b11e8dd0a411d3075cb20065a /src/drivers/Cst816s.cpp | |
| parent | 2f710d06f37b9ee964ad24dc1832d18ac321c664 (diff) | |
Handle error code when calling TwiMaster::Read().
Diffstat (limited to 'src/drivers/Cst816s.cpp')
| -rw-r--r-- | src/drivers/Cst816s.cpp | 4 |
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; |