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-rw-r--r--stmhal/accel.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/stmhal/accel.h b/stmhal/accel.h
index 10b095f799..42b1563292 100644
--- a/stmhal/accel.h
+++ b/stmhal/accel.h
@@ -23,7 +23,11 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#ifndef MICROPY_INCLUDED_STMHAL_ACCEL_H
+#define MICROPY_INCLUDED_STMHAL_ACCEL_H
extern const mp_obj_type_t pyb_accel_type;
void accel_init(void);
+
+#endif // MICROPY_INCLUDED_STMHAL_ACCEL_H