Diff: mbed/TARGET_NRF51822/system_nrf51822.h

Revision:

0:637031152314

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/TARGET_NRF51822/system_nrf51822.h	Sat Mar 07 16:23:41 2015 +0000
@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library
+
+ * Copyright (c) 2013 Nordic Semiconductor.
+ *
+ * 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 License 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.
+ */
+
+
+#ifndef SYSTEM_NRF51_H
+#define SYSTEM_NRF51_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.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 */