mbed library sources. Supersedes mbed-src.
Fork of mbed by
targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/system_nrf51.h@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
- Child:
- 144:ef7eb2e8f9f7
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /* Copyright (c) 2013, Nordic Semiconductor ASA |
bogdanm | 0:9b334a45a8ff | 2 | * All rights reserved. |
bogdanm | 0:9b334a45a8ff | 3 | * |
bogdanm | 0:9b334a45a8ff | 4 | * Redistribution and use in source and binary forms, with or without |
bogdanm | 0:9b334a45a8ff | 5 | * modification, are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 6 | * |
bogdanm | 0:9b334a45a8ff | 7 | * * Redistributions of source code must retain the above copyright notice, this |
bogdanm | 0:9b334a45a8ff | 8 | * list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 9 | * |
bogdanm | 0:9b334a45a8ff | 10 | * * Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 11 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 12 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 13 | * |
bogdanm | 0:9b334a45a8ff | 14 | * * Neither the name of Nordic Semiconductor ASA nor the names of its |
bogdanm | 0:9b334a45a8ff | 15 | * contributors may be used to endorse or promote products derived from |
bogdanm | 0:9b334a45a8ff | 16 | * this software without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 17 | * |
bogdanm | 0:9b334a45a8ff | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 28 | * |
bogdanm | 0:9b334a45a8ff | 29 | */ |
bogdanm | 0:9b334a45a8ff | 30 | #ifndef SYSTEM_NRF51_H |
bogdanm | 0:9b334a45a8ff | 31 | #define SYSTEM_NRF51_H |
bogdanm | 0:9b334a45a8ff | 32 | |
bogdanm | 0:9b334a45a8ff | 33 | #ifdef __cplusplus |
bogdanm | 0:9b334a45a8ff | 34 | extern "C" { |
bogdanm | 0:9b334a45a8ff | 35 | #endif |
bogdanm | 0:9b334a45a8ff | 36 | |
bogdanm | 0:9b334a45a8ff | 37 | #include <stdint.h> |
bogdanm | 0:9b334a45a8ff | 38 | |
bogdanm | 0:9b334a45a8ff | 39 | |
bogdanm | 0:9b334a45a8ff | 40 | extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
bogdanm | 0:9b334a45a8ff | 41 | |
bogdanm | 0:9b334a45a8ff | 42 | /** |
bogdanm | 0:9b334a45a8ff | 43 | * Initialize the system |
bogdanm | 0:9b334a45a8ff | 44 | * |
bogdanm | 0:9b334a45a8ff | 45 | * @param none |
bogdanm | 0:9b334a45a8ff | 46 | * @return none |
bogdanm | 0:9b334a45a8ff | 47 | * |
bogdanm | 0:9b334a45a8ff | 48 | * @brief Setup the microcontroller system. |
bogdanm | 0:9b334a45a8ff | 49 | * Initialize the System and update the SystemCoreClock variable. |
bogdanm | 0:9b334a45a8ff | 50 | */ |
bogdanm | 0:9b334a45a8ff | 51 | extern void SystemInit (void); |
bogdanm | 0:9b334a45a8ff | 52 | |
bogdanm | 0:9b334a45a8ff | 53 | /** |
bogdanm | 0:9b334a45a8ff | 54 | * Update SystemCoreClock variable |
bogdanm | 0:9b334a45a8ff | 55 | * |
bogdanm | 0:9b334a45a8ff | 56 | * @param none |
bogdanm | 0:9b334a45a8ff | 57 | * @return none |
bogdanm | 0:9b334a45a8ff | 58 | * |
bogdanm | 0:9b334a45a8ff | 59 | * @brief Updates the SystemCoreClock with current core Clock |
bogdanm | 0:9b334a45a8ff | 60 | * retrieved from cpu registers. |
bogdanm | 0:9b334a45a8ff | 61 | */ |
bogdanm | 0:9b334a45a8ff | 62 | extern void SystemCoreClockUpdate (void); |
bogdanm | 0:9b334a45a8ff | 63 | |
bogdanm | 0:9b334a45a8ff | 64 | #ifdef __cplusplus |
bogdanm | 0:9b334a45a8ff | 65 | } |
bogdanm | 0:9b334a45a8ff | 66 | #endif |
bogdanm | 0:9b334a45a8ff | 67 | |
bogdanm | 0:9b334a45a8ff | 68 | #endif /* SYSTEM_NRF51_H */ |