Implement led control in another module

barista/test/compat.c

@@ -0,0 +1,13 @@
+/* Copyright (c) 2025 Rodrigo Arias Mallo <rodarima@gmail.com>
+ * SPDX-License-Identifier: GPL-3.0-or-later */
+
+#include "compat.h"
+#include <time.h>
+
+unsigned long millis(void)
+{
+	struct timespec ts;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+
+	return ts.tv_sec * 1000UL + ts.tv_nsec / 1000000UL;
+}