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-rw-r--r--common/wait.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/common/wait.h b/common/wait.h
new file mode 100644
index 0000000000..40d00b0c75
--- /dev/null
+++ b/common/wait.h
@@ -0,0 +1,20 @@
+#ifndef WAIT_H
+#define WAIT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__AVR__)
+# include <util/delay.h>
+# define wait_ms(ms) _delay_ms(ms)
+# define wait_us(us) _delay_us(us)
+#elif defined(__arm__)
+# include "wait_api.h"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif