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BALibrary/examples/Tests/Multiverse_BasicDemo/DebugPrintf.h

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#ifndef DEBUG_PRINTF_H_
#define DEBUG_PRINTF_H_
// Make a safe call to Serial where it checks if the object is valid first. This allows your
// program to work even when no USB serial is connected. Printing to the Serial object when
// no valid connection is present will crash the CPU.
#define DEBUG_PRINT(x) {if (Serial) {x;}}
#endif