obd_iso15765/BleCanBoxCode/NRF51802/components/toolchain/system_nrf51.h

/* Copyright (c) 2015, Nordic Semiconductor ASA
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#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 */