text: /**
   * \file
   *
   * \brief SAM DA1 Clock configuration
   *
   * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
   *
   * \asf_license_start
   *
   * \page License
   *
   * Subject to your compliance with these terms, you may use Microchip
   * software and any derivatives exclusively with Microchip products.
   * It is your responsibility to comply with third party license terms applicable
   * to your use of third party software (including open source software) that
   * may accompany Microchip software.
   *
   * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
   * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
   * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
   * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
   * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
   * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
   * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
   * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE.  TO THE FULLEST EXTENT
   * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
   * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
   * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
   *
   * \asf_license_stop
   *
   */
  /*
   * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
   */
  #include <clock.h>
  
  #ifndef CONF_CLOCKS_H_INCLUDED
  #  define CONF_CLOCKS_H_INCLUDED
  
  /* System clock bus configuration */
  #  define CONF_CLOCK_FLASH_WAIT_STATES            0
  #  define CONF_CLOCK_CPU_DIVIDER                  SYSTEM_MAIN_CLOCK_DIV_1
  #  define CONF_CLOCK_APBA_DIVIDER                 SYSTEM_MAIN_CLOCK_DIV_1
  #  define CONF_CLOCK_APBB_DIVIDER                 SYSTEM_MAIN_CLOCK_DIV_1
  #  define CONF_CLOCK_APBC_DIVIDER                 SYSTEM_MAIN_CLOCK_DIV_1
  
  /* SYSTEM_CLOCK_SOURCE_OSC8M configuration - Internal 8MHz oscillator */
  #  define CONF_CLOCK_OSC8M_PRESCALER              SYSTEM_OSC8M_DIV_1
  #  define CONF_CLOCK_OSC8M_ON_DEMAND              true
  #  define CONF_CLOCK_OSC8M_RUN_IN_STANDBY         false
  
  /* SYSTEM_CLOCK_SOURCE_XOSC configuration - External clock/oscillator */
  #  define CONF_CLOCK_XOSC_ENABLE                  false
  #  define CONF_CLOCK_XOSC_EXTERNAL_CRYSTAL        SYSTEM_CLOCK_EXTERNAL_CRYSTAL
  #  define CONF_CLOCK_XOSC_EXTERNAL_FREQUENCY      12000000UL
  #  define CONF_CLOCK_XOSC_STARTUP_TIME            SYSTEM_XOSC_STARTUP_32768
  #  define CONF_CLOCK_XOSC_AUTO_GAIN_CONTROL       true
  #  define CONF_CLOCK_XOSC_ON_DEMAND               true
  #  define CONF_CLOCK_XOSC_RUN_IN_STANDBY          false
  
  /* SYSTEM_CLOCK_SOURCE_XOSC32K configuration - External 32KHz crystal/clock oscillator */
  #  define CONF_CLOCK_XOSC32K_ENABLE               true
  #  define CONF_CLOCK_XOSC32K_EXTERNAL_CRYSTAL     SYSTEM_CLOCK_EXTERNAL_CRYSTAL
  #  define CONF_CLOCK_XOSC32K_STARTUP_TIME         SYSTEM_XOSC32K_STARTUP_65536
  #  define CONF_CLOCK_XOSC32K_AUTO_AMPLITUDE_CONTROL  false
  #  define CONF_CLOCK_XOSC32K_ENABLE_1KHZ_OUPUT    false
  #  define CONF_CLOCK_XOSC32K_ENABLE_32KHZ_OUTPUT  true
  #  define CONF_CLOCK_XOSC32K_ON_DEMAND            true
  #  define CONF_CLOCK_XOSC32K_RUN_IN_STANDBY       false
  
  /* SYSTEM_CLOCK_SOURCE_OSC32K configuration - Internal 32KHz oscillator */
  #  define CONF_CLOCK_OSC32K_ENABLE                false
  #  define CONF_CLOCK_OSC32K_STARTUP_TIME          SYSTEM_OSC32K_STARTUP_130
  #  define CONF_CLOCK_OSC32K_ENABLE_1KHZ_OUTPUT    true
  #  define CONF_CLOCK_OSC32K_ENABLE_32KHZ_OUTPUT   true
  #  define CONF_CLOCK_OSC32K_ON_DEMAND             true
  #  define CONF_CLOCK_OSC32K_RUN_IN_STANDBY        false
  
  /* SYSTEM_CLOCK_SOURCE_DFLL configuration - Digital Frequency Locked Loop */
  #  define CONF_CLOCK_DFLL_ENABLE                  false
  #  define CONF_CLOCK_DFLL_LOOP_MODE               SYSTEM_CLOCK_DFLL_LOOP_MODE_OPEN
  #  define CONF_CLOCK_DFLL_ON_DEMAND               false
  
  /* DFLL open loop mode configuration */
  #  define CONF_CLOCK_DFLL_FINE_VALUE              (512)
  
  /* DFLL closed loop mode configuration */
  #  define CONF_CLOCK_DFLL_SOURCE_GCLK_GENERATOR   GCLK_GENERATOR_1
  #  define CONF_CLOCK_DFLL_MULTIPLY_FACTOR         (48000000 / 32768)
  #  define CONF_CLOCK_DFLL_QUICK_LOCK              true
  #  define CONF_CLOCK_DFLL_TRACK_AFTER_FINE_LOCK   true
  #  define CONF_CLOCK_DFLL_KEEP_LOCK_ON_WAKEUP     true
  #  define CONF_CLOCK_DFLL_ENABLE_CHILL_CYCLE      true
  #  define CONF_CLOCK_DFLL_MAX_COARSE_STEP_SIZE    (0x1f / 4)
  #  define CONF_CLOCK_DFLL_MAX_FINE_STEP_SIZE      (0xff / 4)
  
  /* SYSTEM_CLOCK_SOURCE_DPLL configuration - Digital Phase-Locked Loop */
  #  define CONF_CLOCK_DPLL_ENABLE                  false
  #  define CONF_CLOCK_DPLL_ON_DEMAND               true
  #  define CONF_CLOCK_DPLL_RUN_IN_STANDBY          false
  #  define CONF_CLOCK_DPLL_LOCK_BYPASS             false
  #  define CONF_CLOCK_DPLL_WAKE_UP_FAST            false
  #  define CONF_CLOCK_DPLL_LOW_POWER_ENABLE        false
  
  #  define CONF_CLOCK_DPLL_LOCK_TIME               SYSTEM_CLOCK_SOURCE_DPLL_LOCK_TIME_DEFAULT
  #  define CONF_CLOCK_DPLL_REFERENCE_CLOCK         SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_XOSC32K
  #  define CONF_CLOCK_DPLL_FILTER                  SYSTEM_CLOCK_SOURCE_DPLL_FILTER_DEFAULT
  
  #  define CONF_CLOCK_DPLL_REFERENCE_FREQUENCY     32768
  #  define CONF_CLOCK_DPLL_REFERENCE_DIVIDER       1
  #  define CONF_CLOCK_DPLL_OUTPUT_FREQUENCY        48000000
  
  /* DPLL GCLK reference configuration */
  #  define CONF_CLOCK_DPLL_REFERENCE_GCLK_GENERATOR  GCLK_GENERATOR_1
  /* DPLL GCLK lock timer configuration */
  #  define CONF_CLOCK_DPLL_LOCK_GCLK_GENERATOR     GCLK_GENERATOR_1
  
  /* Set this to true to configure the GCLK when running clocks_init. If set to
   * false, none of the GCLK generators will be configured in clocks_init(). */
  #  define CONF_CLOCK_CONFIGURE_GCLK               true
  
  /* Configure GCLK generator 0 (Main Clock) */
  #  define CONF_CLOCK_GCLK_0_ENABLE                true
  #  define CONF_CLOCK_GCLK_0_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_0_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_0_PRESCALER             1
  #  define CONF_CLOCK_GCLK_0_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 1 */
  #  define CONF_CLOCK_GCLK_1_ENABLE                true
  #  define CONF_CLOCK_GCLK_1_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_1_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_XOSC32K
  #  define CONF_CLOCK_GCLK_1_PRESCALER             1
  #  define CONF_CLOCK_GCLK_1_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 2 (RTC) */
  #  define CONF_CLOCK_GCLK_2_ENABLE                false
  #  define CONF_CLOCK_GCLK_2_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_2_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC32K
  #  define CONF_CLOCK_GCLK_2_PRESCALER             32
  #  define CONF_CLOCK_GCLK_2_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 3 */
  #  define CONF_CLOCK_GCLK_3_ENABLE                false
  #  define CONF_CLOCK_GCLK_3_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_3_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_3_PRESCALER             1
  #  define CONF_CLOCK_GCLK_3_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 4 */
  #  define CONF_CLOCK_GCLK_4_ENABLE                false
  #  define CONF_CLOCK_GCLK_4_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_4_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_4_PRESCALER             1
  #  define CONF_CLOCK_GCLK_4_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 5 */
  #  define CONF_CLOCK_GCLK_5_ENABLE                false
  #  define CONF_CLOCK_GCLK_5_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_5_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_5_PRESCALER             1
  #  define CONF_CLOCK_GCLK_5_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 6 */
  #  define CONF_CLOCK_GCLK_6_ENABLE                false
  #  define CONF_CLOCK_GCLK_6_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_6_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_6_PRESCALER             1
  #  define CONF_CLOCK_GCLK_6_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 7 */
  #  define CONF_CLOCK_GCLK_7_ENABLE                false
  #  define CONF_CLOCK_GCLK_7_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_7_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_7_PRESCALER             1
  #  define CONF_CLOCK_GCLK_7_OUTPUT_ENABLE         false
  
  /* Configure GCLK generator 8 */
  #  define CONF_CLOCK_GCLK_8_ENABLE                false
  #  define CONF_CLOCK_GCLK_8_RUN_IN_STANDBY        false
  #  define CONF_CLOCK_GCLK_8_CLOCK_SOURCE          SYSTEM_CLOCK_SOURCE_OSC8M
  #  define CONF_CLOCK_GCLK_8_PRESCALER             1
  #  define CONF_CLOCK_GCLK_8_OUTPUT_ENABLE         false
  
  #endif /* CONF_CLOCKS_H_INCLUDED */
  
  