1 files changed, 47 insertions, 0 deletions
diff --git a/atmel-samd/asf4/samd51/include/system_samd51.h b/atmel-samd/asf4/samd51/include/system_samd51.h
new file mode 100644
index 000000000..2f4d2ad58
--- /dev/null
+++ b/atmel-samd/asf4/samd51/include/system_samd51.h
@@ -0,0 +1,47 @@
+/**
+ * \file
+ *
+ * \brief Low-level initialization functions called upon chip startup
+ *
+ * Copyright (c) 2017 Atmel Corporation,
+ *                    a wholly owned subsidiary of Microchip Technology Inc.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the Licence at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#ifndef _SYSTEM_SAMD51_H_INCLUDED_
+#define _SYSTEM_SAMD51_H_INCLUDED_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+extern uint32_t SystemCoreClock;   /*!< System Clock Frequency (Core Clock)  */
+
+void SystemInit(void);
+void SystemCoreClockUpdate(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SYSTEM_SAMD51_H_INCLUDED */