text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  #ifndef __MCU_DA1469X_CLOCK_H_
  #define __MCU_DA1469X_CLOCK_H_
  
  #include <stdint.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * Initialize XTAL32M
   */
  void da1469x_clock_sys_xtal32m_init(void);
  
  /**
   * Enable XTAL32M
   */
  void da1469x_clock_sys_xtal32m_enable(void);
  
  /**
   * Switch sys_clk to XTAL32M
   *
   * Caller shall ensure that XTAL32M is already settled.
   */
  void da1469x_clock_sys_xtal32m_switch(void);
  
  /**
   * Switch sys_clk to XTAL32M
   *
   * Waits for XTAL32M to settle before switching.
   */
  void da1469x_clock_sys_xtal32m_switch_safe(void);
  
  /**
   * Disable RC32M
   */
  void da1469x_clock_sys_rc32m_disable(void);
  
  /**
   * Enable XTAL32K
   */
  void da1469x_clock_lp_xtal32k_enable(void);
  
  /**
   * Switch lp_clk to XTAL32K
   *
   * Caller shall ensure XTAL32K is already settled.
   */
  void da1469x_clock_lp_xtal32k_switch(void);
  
  /**
   * Enable RCX
   */
  void da1469x_clock_lp_rcx_enable(void);
  
  /**
   * Switch lp_clk to RCX
   *
   * Caller shall ensure RCX is already settled.
   */
  void da1469x_clock_lp_rcx_switch(void);
  
  /**
   * Calibrate RCX
   */
  void da1469x_clock_lp_rcx_calibrate(void);
  
  /**
   * Get calibrated (measured) RCX frequency
   */
  uint32_t da1469x_clock_lp_rcx_freq_get(void);
  
  /**
   * Disable RCX
   */
  void da1469x_clock_lp_rcx_disable(void);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __MCU_DA1469X_CLOCK_H_ */
  