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Fork of nRF51822 by
nordic/nrf-sdk/system_nrf51.h@0:eff01767de02, 2014-03-26 (annotated)
- Committer:
- bogdanm
- Date:
- Wed Mar 26 14:38:17 2014 +0000
- Revision:
- 0:eff01767de02
- Child:
- 37:c29c330d942c
Initial import of the nRF51822 code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:eff01767de02 | 1 | /* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved. |
bogdanm | 0:eff01767de02 | 2 | * |
bogdanm | 0:eff01767de02 | 3 | * The information contained herein is property of Nordic Semiconductor ASA. |
bogdanm | 0:eff01767de02 | 4 | * Terms and conditions of usage are described in detail in NORDIC |
bogdanm | 0:eff01767de02 | 5 | * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. |
bogdanm | 0:eff01767de02 | 6 | * |
bogdanm | 0:eff01767de02 | 7 | * Licensees are granted free, non-transferable use of the information. NO |
bogdanm | 0:eff01767de02 | 8 | * WARRANTY of ANY KIND is provided. This heading must NOT be removed from |
bogdanm | 0:eff01767de02 | 9 | * the file. |
bogdanm | 0:eff01767de02 | 10 | * |
bogdanm | 0:eff01767de02 | 11 | */ |
bogdanm | 0:eff01767de02 | 12 | |
bogdanm | 0:eff01767de02 | 13 | |
bogdanm | 0:eff01767de02 | 14 | #ifndef SYSTEM_NRF51_H |
bogdanm | 0:eff01767de02 | 15 | #define SYSTEM_NRF51_H |
bogdanm | 0:eff01767de02 | 16 | |
bogdanm | 0:eff01767de02 | 17 | #ifdef __cplusplus |
bogdanm | 0:eff01767de02 | 18 | extern "C" { |
bogdanm | 0:eff01767de02 | 19 | #endif |
bogdanm | 0:eff01767de02 | 20 | |
bogdanm | 0:eff01767de02 | 21 | #include <stdint.h> |
bogdanm | 0:eff01767de02 | 22 | #include "nordic_global.h" |
bogdanm | 0:eff01767de02 | 23 | |
bogdanm | 0:eff01767de02 | 24 | |
bogdanm | 0:eff01767de02 | 25 | extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
bogdanm | 0:eff01767de02 | 26 | |
bogdanm | 0:eff01767de02 | 27 | /** |
bogdanm | 0:eff01767de02 | 28 | * Initialize the system |
bogdanm | 0:eff01767de02 | 29 | * |
bogdanm | 0:eff01767de02 | 30 | * @param none |
bogdanm | 0:eff01767de02 | 31 | * @return none |
bogdanm | 0:eff01767de02 | 32 | * |
bogdanm | 0:eff01767de02 | 33 | * @brief Setup the microcontroller system. |
bogdanm | 0:eff01767de02 | 34 | * Initialize the System and update the SystemCoreClock variable. |
bogdanm | 0:eff01767de02 | 35 | */ |
bogdanm | 0:eff01767de02 | 36 | extern void SystemInit (void); |
bogdanm | 0:eff01767de02 | 37 | |
bogdanm | 0:eff01767de02 | 38 | /** |
bogdanm | 0:eff01767de02 | 39 | * Update SystemCoreClock variable |
bogdanm | 0:eff01767de02 | 40 | * |
bogdanm | 0:eff01767de02 | 41 | * @param none |
bogdanm | 0:eff01767de02 | 42 | * @return none |
bogdanm | 0:eff01767de02 | 43 | * |
bogdanm | 0:eff01767de02 | 44 | * @brief Updates the SystemCoreClock with current core Clock |
bogdanm | 0:eff01767de02 | 45 | * retrieved from cpu registers. |
bogdanm | 0:eff01767de02 | 46 | */ |
bogdanm | 0:eff01767de02 | 47 | extern void SystemCoreClockUpdate (void); |
bogdanm | 0:eff01767de02 | 48 | |
bogdanm | 0:eff01767de02 | 49 | #ifdef __cplusplus |
bogdanm | 0:eff01767de02 | 50 | } |
bogdanm | 0:eff01767de02 | 51 | #endif |
bogdanm | 0:eff01767de02 | 52 | |
bogdanm | 0:eff01767de02 | 53 | #endif /* SYSTEM_NRF51_H */ |