Jasper Lee / mbed_helloworld

change some io settings for TWR-K22F-120M

Dependents:   twr_helloworld

TARGET_NRF51822/system_nrf51822.h@0:b16d94660a33, 2014-12-23 (annotated)

Committer:
Jasper_lee
Date:
Tue Dec 23 03:35:08 2014 +0000
Revision:
0:b16d94660a33
change some io setting used in TWR-K22F120M

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jasper_lee 0:b16d94660a33 1 /* mbed Microcontroller Library
Jasper_lee 0:b16d94660a33 2
Jasper_lee 0:b16d94660a33 3 * Copyright (c) 2013 Nordic Semiconductor.
Jasper_lee 0:b16d94660a33 4 *
Jasper_lee 0:b16d94660a33 5 * Licensed under the Apache License, Version 2.0 (the "License");
Jasper_lee 0:b16d94660a33 6 * you may not use this file except in compliance with the License.
Jasper_lee 0:b16d94660a33 7 * You may obtain a copy of the License at
Jasper_lee 0:b16d94660a33 8 *
Jasper_lee 0:b16d94660a33 9 * http://www.apache.org/licenses/LICENSE-2.0
Jasper_lee 0:b16d94660a33 10 *
Jasper_lee 0:b16d94660a33 11 * Unless required by applicable law or agreed to in writing, software
Jasper_lee 0:b16d94660a33 12 * distributed under the License is distributed on an "AS IS" BASIS,
Jasper_lee 0:b16d94660a33 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Jasper_lee 0:b16d94660a33 14 * See the License for the specific language governing permissions and
Jasper_lee 0:b16d94660a33 15 * limitations under the License.
Jasper_lee 0:b16d94660a33 16 */
Jasper_lee 0:b16d94660a33 17
Jasper_lee 0:b16d94660a33 18
Jasper_lee 0:b16d94660a33 19 #ifndef SYSTEM_NRF51_H
Jasper_lee 0:b16d94660a33 20 #define SYSTEM_NRF51_H
Jasper_lee 0:b16d94660a33 21
Jasper_lee 0:b16d94660a33 22 #ifdef __cplusplus
Jasper_lee 0:b16d94660a33 23 extern "C" {
Jasper_lee 0:b16d94660a33 24 #endif
Jasper_lee 0:b16d94660a33 25
Jasper_lee 0:b16d94660a33 26 #include <stdint.h>
Jasper_lee 0:b16d94660a33 27
Jasper_lee 0:b16d94660a33 28
Jasper_lee 0:b16d94660a33 29 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
Jasper_lee 0:b16d94660a33 30
Jasper_lee 0:b16d94660a33 31 /**
Jasper_lee 0:b16d94660a33 32 * Initialize the system
Jasper_lee 0:b16d94660a33 33 *
Jasper_lee 0:b16d94660a33 34 * @param none
Jasper_lee 0:b16d94660a33 35 * @return none
Jasper_lee 0:b16d94660a33 36 *
Jasper_lee 0:b16d94660a33 37 * @brief Setup the microcontroller system.
Jasper_lee 0:b16d94660a33 38 * Initialize the System and update the SystemCoreClock variable.
Jasper_lee 0:b16d94660a33 39 */
Jasper_lee 0:b16d94660a33 40 extern void SystemInit (void);
Jasper_lee 0:b16d94660a33 41
Jasper_lee 0:b16d94660a33 42
Jasper_lee 0:b16d94660a33 43 /**
Jasper_lee 0:b16d94660a33 44 * Update SystemCoreClock variable
Jasper_lee 0:b16d94660a33 45 *
Jasper_lee 0:b16d94660a33 46 * @param none
Jasper_lee 0:b16d94660a33 47 * @return none
Jasper_lee 0:b16d94660a33 48 *
Jasper_lee 0:b16d94660a33 49 * @brief Updates the SystemCoreClock with current core Clock
Jasper_lee 0:b16d94660a33 50 * retrieved from cpu registers.
Jasper_lee 0:b16d94660a33 51 */
Jasper_lee 0:b16d94660a33 52 extern void SystemCoreClockUpdate (void);
Jasper_lee 0:b16d94660a33 53
Jasper_lee 0:b16d94660a33 54 #ifdef __cplusplus
Jasper_lee 0:b16d94660a33 55 }
Jasper_lee 0:b16d94660a33 56 #endif
Jasper_lee 0:b16d94660a33 57
Jasper_lee 0:b16d94660a33 58 #endif /* SYSTEM_NRF51_H */