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-rw-r--r--py/mpconfig.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 455f870ac7..e33a41f7a0 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -581,6 +581,11 @@ typedef double mp_float_t;
#define MICROPY_USE_INTERNAL_ERRNO (0)
#endif
+// Whether to use internally defined *printf() functions (otherwise external ones)
+#ifndef MICROPY_USE_INTERNAL_PRINTF
+#define MICROPY_USE_INTERNAL_PRINTF (1)
+#endif
+
// Support for user-space VFS mount (selected ports)
#ifndef MICROPY_FSUSERMOUNT
#define MICROPY_FSUSERMOUNT (0)