diff --git a/src/shared/i2c/stm32f2_f4_i2c.cpp b/src/shared/i2c/stm32f2_f4_i2c.cpp index 1382a370879daf4ddbf4134183ab4d84a35a2bb8..617305301ed30199a06c9ef12b5d58cadc724f4a 100644 --- a/src/shared/i2c/stm32f2_f4_i2c.cpp +++ b/src/shared/i2c/stm32f2_f4_i2c.cpp @@ -33,8 +33,8 @@ using namespace miosix; -static bool error; ///< Set to true by IRQ on error -static Thread *waiting=0; ///< Thread waiting for an operation to complete +static volatile bool error; ///< Set to true by IRQ on error +static Thread *waiting=0; ///< Thread waiting for an operation to complete /* In non-DMA mode the variables below are used to * handle the reception of 2 or more bytes through