Diff: nordic/nrf-sdk/system_nrf51.h

Revision:

0:eff01767de02

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nordic/nrf-sdk/system_nrf51.h	Wed Mar 26 14:38:17 2014 +0000
@@ -0,0 +1,53 @@
+/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+
+#ifndef SYSTEM_NRF51_H
+#define SYSTEM_NRF51_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "nordic_global.h"
+
+
+extern uint32_t SystemCoreClock;    /*!< System Clock Frequency (Core Clock)  */
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock 
+ *         retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SYSTEM_NRF51_H */