cpu.h

来自「非常全的nrf2401设计资料」· C头文件 代码 · 共 40 行

/* Copyright (c) 2007 Nordic Semiconductor. All Rights Reserved.
 *
 * The information contained herein is property of Nordic Semiconductor ASA.
 * Terms and conditions of usage are described in detail in NORDIC
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRENTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 *
 * $LastChangedRevision: 2290 $
 */ 

/** @file
 * Interface functions for the CPU module.
 * @defgroup nordic_cpu CPU
 * @{
 * @ingroup nordic_nrf24lu1
 * CPU management functions.
 */
#ifndef CPU_H__
#define CPU_H__

#include <stdint.h>

/** Function to set the CPU in power down mode
 *  @return This function does not retun until the CPU wakens
 */
void cpu_pwr_down(void);

/** Function to set the clock frequency of the chip
 *  cf is the value of the CLKCTL register but only bits 4-6 are used in this
 *  function.
 *  @param cf The clock frequency 
 */
void cpu_set_clock_frequency(uint8_t cf);

#endif // CPU_H__
/** @} */