text: /******************************************************************************
   * The MIT License
   *
   * Copyright (c) 2011 LeafLabs, LLC.
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use, copy,
   * modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *****************************************************************************/
  
  /*
   * RCC private header.
   */
  
  #ifndef _LIBMAPLE_PRIVATE_RCC_H_
  #define _LIBMAPLE_PRIVATE_RCC_H_
  
  #include <libmaple/bitband.h>
  
  struct rcc_dev_info {
      const rcc_clk_domain clk_domain;
      const uint8 line_num;
  };
  
  extern const struct rcc_dev_info rcc_dev_table[];
  
  static inline void rcc_do_clk_enable(__io uint32** enable_regs,
                                       rcc_clk_id id) {
      __io uint32 *enable_reg = enable_regs[rcc_dev_clk(id)];
      uint8 line_num = rcc_dev_table[id].line_num;
      bb_peri_set_bit(enable_reg, line_num, 1);
  }
  
  static inline void rcc_do_reset_dev(__io uint32** reset_regs,
                                      rcc_clk_id id) {
      __io uint32 *reset_reg = reset_regs[rcc_dev_clk(id)];
      uint8 line_num = rcc_dev_table[id].line_num;
      bb_peri_set_bit(reset_reg, line_num, 1);
      bb_peri_set_bit(reset_reg, line_num, 0);
  }
  
  static inline void rcc_do_set_prescaler(const uint32 *masks,
                                          rcc_prescaler prescaler,
                                          uint32 divider) {
      uint32 cfgr = RCC_BASE->CFGR;
      cfgr &= ~masks[prescaler];
      cfgr |= divider;
      RCC_BASE->CFGR = cfgr;
  }
  
  #endif
  