assert.h

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#ifndef ASSERT_H
#define ASSERT_H

#if defined(NDEBUG)
#define TRACE(expr) expr
#else
#define TRACE(expr)                                                     \
  do {                                                                  \
    Serial.print(F(#expr "="));                                         \
    Serial.println(expr);                                               \
    Serial.flush();                                                     \
  } while (0)
#endif

#if defined(NDEBUG)
#define ASSERT(expr) expr
#else
#define ASSERT(expr)                                                    \
  do {                                                                  \
    if (!(expr)) {                                                      \
      Serial.print(__LINE__);                                           \
      Serial.println(F(":assert:" #expr));                              \
      Serial.flush();                                                   \
      exit(0);                                                          \
    }                                                                   \
  } while (0)
#endif

#endif