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Diff: targets/hal/TARGET_Atmel/config/conf_clocks.h
- Revision:
- 579:53297373a894
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_Atmel/config/conf_clocks.h Wed Jul 01 09:45:11 2015 +0100 @@ -0,0 +1,186 @@ +/** + * \file + * + * \brief SAM R21 Clock configuration + * + * Copyright (C) 2014 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ +/** +* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> +*/ +#include <clock.h> + +#ifndef CONF_CLOCKS_H_INCLUDED +# define CONF_CLOCKS_H_INCLUDED + +/* System clock bus configuration */ +# define CONF_CLOCK_CPU_CLOCK_FAILURE_DETECT false +# 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 + +/* 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 false +# 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_COARSE_VALUE (0x1f / 4) +# define CONF_CLOCK_DFLL_FINE_VALUE (0xff / 4) + +/* DFLL closed loop mode configuration */ +# define CONF_CLOCK_DFLL_SOURCE_GCLK_GENERATOR GCLK_GENERATOR_1 +# define CONF_CLOCK_DFLL_MULTIPLY_FACTOR 6 +# 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_NO_TIMEOUT +# define CONF_CLOCK_DPLL_REFERENCE_CLOCK SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_REF0 +# define CONF_CLOCK_DPLL_FILTER SYSTEM_CLOCK_SOURCE_DPLL_FILTER_DEFAULT + +# define CONF_CLOCK_DPLL_REFERENCE_FREQUENCY 32768 +# define CONF_CLOCK_DPLL_REFEREMCE_DIVIDER 1 +# define CONF_CLOCK_DPLL_OUTPUT_FREQUENCY 48000000 + +/* 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 false +# define CONF_CLOCK_GCLK_1_RUN_IN_STANDBY false +# define CONF_CLOCK_GCLK_1_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M +# 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 + +#endif /* CONF_CLOCKS_H_INCLUDED */ +