Fix race in SPI endTransaction

me-no-dev · me-no-dev · commit 2b6d47ac1782 · 2017-09-27T16:27:44.000+08:00
diff --git a/libraries/SPI/src/SPI.cpp b/libraries/SPI/src/SPI.cpp
@@ -127,8 +127,8 @@ void SPIClass::beginTransaction(SPISettings settings)
 void SPIClass::endTransaction()
 {
     if(_inTransaction){
-        spiEndTransaction(_spi);
         _inTransaction = false;
+        spiEndTransaction(_spi);
     }
 }
 
