98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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* Copyright (c) 2016 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DRIVERS_CLOCK_CONTROL_NRF_CLOCK_CONTROL_H_
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#define ZEPHYR_INCLUDE_DRIVERS_CLOCK_CONTROL_NRF_CLOCK_CONTROL_H_
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#include <device.h>
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#include <hal/nrf_clock.h>
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/** @brief Clocks handled by the CLOCK peripheral.
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*
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* Enum shall be used as a sys argument in clock_control API.
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*/
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enum clock_control_nrf_type {
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CLOCK_CONTROL_NRF_TYPE_HFCLK,
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CLOCK_CONTROL_NRF_TYPE_LFCLK,
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CLOCK_CONTROL_NRF_TYPE_COUNT
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};
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/* Define can be used with clock control API instead of enum directly to
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* increase code readability.
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*/
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#define CLOCK_CONTROL_NRF_SUBSYS_HF \
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((clock_control_subsys_t)CLOCK_CONTROL_NRF_TYPE_HFCLK)
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#define CLOCK_CONTROL_NRF_SUBSYS_LF \
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((clock_control_subsys_t)CLOCK_CONTROL_NRF_TYPE_LFCLK)
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/* Define 32KHz clock source */
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC
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#define CLOCK_CONTROL_NRF_K32SRC NRF_CLOCK_LFCLK_RC
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL
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#define CLOCK_CONTROL_NRF_K32SRC NRF_CLOCK_LFCLK_Xtal
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_SYNTH
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#define CLOCK_CONTROL_NRF_K32SRC NRF_CLOCK_LFCLK_Synth
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_EXT_LOW_SWING
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#define CLOCK_CONTROL_NRF_K32SRC NRF_CLOCK_LFCLK_Xtal_Low_Swing
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_EXT_FULL_SWING
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#define CLOCK_CONTROL_NRF_K32SRC NRF_CLOCK_LFCLK_Xtal_Full_Swing
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#endif
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/* Define 32KHz clock accuracy */
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_500PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 0
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_250PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 1
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_150PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 2
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_100PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 3
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_75PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 4
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_50PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 5
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_30PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 6
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#endif
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#ifdef CONFIG_CLOCK_CONTROL_NRF_K32SRC_20PPM
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#define CLOCK_CONTROL_NRF_K32SRC_ACCURACY 7
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#endif
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#if defined(CONFIG_USB_NRFX)
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void nrf5_power_usb_power_int_enable(bool enable);
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#endif
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/** @brief Force LF clock calibration. */
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void z_nrf_clock_calibration_force_start(void);
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/** @brief Return number of calibrations performed.
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*
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* Valid when @ref CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_DEBUG is set.
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*
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* @return Number of calibrations or -1 if feature is disabled.
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*/
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int z_nrf_clock_calibration_count(void);
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/** @brief Return number of attempts when calibration was skipped.
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*
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* Valid when @ref CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_DEBUG is set.
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*
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* @return Number of calibrations or -1 if feature is disabled.
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*/
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int z_nrf_clock_calibration_skips_count(void);
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#endif /* ZEPHYR_INCLUDE_DRIVERS_CLOCK_CONTROL_NRF_CLOCK_CONTROL_H_ */
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