mbed library sources
Dependents: frdm_kl05z_gpio_test
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Diff: targets/cmsis/TARGET_NORDIC/TARGET_NRF51822/system_nrf51822.h
- Revision:
- 85:e1a8e879a6a9
- Child:
- 104:a6a92e2e5a92
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_NORDIC/TARGET_NRF51822/system_nrf51822.h Fri Feb 07 18:00:11 2014 +0000 @@ -0,0 +1,58 @@ +/* mbed Microcontroller Library + + * Copyright (c) 2006-2013 ARM Limited + * + * 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 */