/* * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o 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. * * o Neither the name of Freescale Semiconductor, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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. */ #if !defined(__FSL_PMC_HAL_H__) #define __FSL_PMC_HAL_H__ #include #include #include #include "fsl_device_registers.h" #include "fsl_pmc_features.h" /*! @addtogroup pmc_hal*/ /*! @{*/ /*! @file fsl_pmc_hal.h */ /******************************************************************************* * Definitions ******************************************************************************/ /*! @brief Low-Voltage Warning Voltage Select*/ typedef enum _pmc_low_volt_warn_volt_select { kPmcLowVoltWarnVoltLowTrip, /*!< Low trip point selected (VLVW = VLVW1)*/ kPmcLowVoltWarnVoltMid1Trip, /*!< Mid 1 trip point selected (VLVW = VLVW2)*/ kPmcLowVoltWarnVoltMid2Trip, /*!< Mid 2 trip point selected (VLVW = VLVW3)*/ kPmcLowVoltWarnVoltHighTrip /*!< High trip point selected (VLVW = VLVW4)*/ } pmc_low_volt_warn_volt_select_t; /*! @brief Low-Voltage Detect Voltage Select*/ typedef enum _pmc_low_volt_detect_volt_select { kPmcLowVoltDetectVoltLowTrip, /*!< Low trip point selected (V LVD = V LVDL )*/ kPmcLowVoltDetectVoltHighTrip, /*!< High trip point selected (V LVD = V LVDH )*/ } pmc_low_volt_detect_volt_select_t; /*! @brief interrupt control*/ typedef enum _pmc_int_select { kPmcIntLowVoltDetect, /*!< Low Voltage Detect Interrupt */ kPmcIntLowVoltWarn, /*!< Low Voltage Warning Interrupt */ } pmc_int_select_t; /******************************************************************************* * API ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /* __cplusplus*/ /*! @name Power Management Controller Control APIs*/ /*@{*/ /*! * @brief Enables/Disables low voltage-related interrupts. * * This function enables the interrupt for the low voltage detection, warning, * etc. When enabled, if the LVDF (Low Voltage Detect Flag) is set, a hardware * interrupt occurs. * * @param baseAddr Base address for current PMC instance. * @param intSelect interrut select * @param enable enable/disable the interrupt */ void PMC_HAL_SetLowVoltIntCmd(uint32_t baseAddr, pmc_int_select_t intSelect, bool enable); /*! * @brief Low-Voltage Detect Hardware Reset Enable/Disable (write once) * * This function enables/disables the hardware reset for the low voltage * detection. When enabled, if the LVDF (Low Voltage Detect Flag) is set, a * hardware reset occurs. This setting is a write-once-only. Any additional writes * are ignored. * * @param baseAddr Base address for current PMC instance. * @param enable enable/disable the LVD hardware reset */ static inline void PMC_HAL_SetLowVoltDetectResetCmd(uint32_t baseAddr, bool enable) { BW_PMC_LVDSC1_LVDRE(baseAddr, (uint8_t)enable); } /*! * @brief Low-Voltage Detect Acknowledge * * This function acknowledges the low voltage detection errors (write 1 to * clear LVDF). * * @param baseAddr Base address for current PMC instance. */ static inline void PMC_HAL_SetLowVoltDetectAck(uint32_t baseAddr) { BW_PMC_LVDSC1_LVDACK(baseAddr, 1); } /*! * @brief Low-Voltage Detect Flag Read * * This function reads the current LVDF status. If it returns 1, a low * voltage event is detected. * * @param baseAddr Base address for current PMC instance. * @return status Current low voltage detect flag * - true: Low-Voltage detected * - false: Low-Voltage not detected */ static inline bool PMC_HAL_GetLowVoltDetectFlag(uint32_t baseAddr) { return BR_PMC_LVDSC1_LVDF(baseAddr); } /*! * @brief Sets the Low-Voltage Detect Voltage Mode * * This function sets the low voltage detect voltage select. It sets * the low voltage detect trip point voltage (Vlvd). An application can select * either a low-trip or a high-trip point. See a chip reference manual for details. * * @param baseAddr Base address for current PMC instance. * @param select Voltage select setting defined in pmc_lvdv_select_t */ static inline void PMC_HAL_SetLowVoltDetectVoltMode(uint32_t baseAddr, pmc_low_volt_detect_volt_select_t select) { BW_PMC_LVDSC1_LVDV(baseAddr, select); } /*! * @brief Gets the Low-Voltage Detect Voltage Mode * * This function gets the low voltage detect voltage select. It gets * the low voltage detect trip point voltage (Vlvd). An application can select * either a low-trip or a high-trip point. See a chip reference manual for details. * * @param baseAddr Base address for current PMC instance. * @return select Current voltage select setting */ static inline pmc_low_volt_detect_volt_select_t PMC_HAL_GetLowVoltDetectVoltMode(uint32_t baseAddr) { return (pmc_low_volt_detect_volt_select_t)BR_PMC_LVDSC1_LVDV(baseAddr); } /*! * @brief Low-Voltage Warning Acknowledge * * This function acknowledges the low voltage warning errors (write 1 to * clear LVWF). * * @param baseAddr Base address for current PMC instance. */ static inline void PMC_HAL_SetLowVoltWarnAck(uint32_t baseAddr) { BW_PMC_LVDSC2_LVWACK(baseAddr, 1); } /*! * @brief Low-Voltage Warning Flag Read * * This function polls the current LVWF status. When 1 is returned, it * indicates a low-voltage warning event. LVWF is set when V Supply transitions * below the trip point or after reset and V Supply is already below the V LVW. * * @param baseAddr Base address for current PMC instance. * @return status Current LVWF status * - true: Low-Voltage Warning Flag is set. * - false: the Low-Voltage Warning does not happen. */ static inline bool PMC_HAL_GetLowVoltWarnFlag(uint32_t baseAddr) { return BR_PMC_LVDSC2_LVWF(baseAddr); } /*! * @brief Sets the Low-Voltage Warning Voltage Mode. * * This function sets the low voltage warning voltage select. It sets * the low voltage warning trip point voltage (Vlvw). An application can select * either a low, mid1, mid2 and a high-trip point. See a chip reference manual for * details and the pmc_lvwv_select_t for supported settings. * * @param baseAddr Base address for current PMC instance. * @param select Low voltage warning select setting */ static inline void PMC_HAL_SetLowVoltWarnVoltMode(uint32_t baseAddr, pmc_low_volt_warn_volt_select_t select) { BW_PMC_LVDSC2_LVWV(baseAddr, select); } /*! * @brief Gets the Low-Voltage Warning Voltage Mode. * * This function gets the low voltage warning voltage select. It gets * the low voltage warning trip point voltage (Vlvw). See the pmc_lvwv_select_t * for supported settings. * * @param baseAddr Base address for current PMC instance. * @return select Current low voltage warning select setting */ static inline pmc_low_volt_warn_volt_select_t PMC_HAL_GetLowVoltWarnVoltMode(uint32_t baseAddr) { return (pmc_low_volt_warn_volt_select_t)BR_PMC_LVDSC2_LVWV(baseAddr); } #if FSL_FEATURE_PMC_HAS_BGEN /*! * @brief Enables the Bandgap in the VLPx Operation. * * This function enables/disables the bandgap in lower power modes * (VLPx, * LLS, and VLLSx). When on-chip peripherals require the bandgap voltage * reference in low power modes, set the BGEN to continue to enable * the bandgap operation. * * @param baseAddr Base address for current PMC instance. * @param enable enable/disable the Bangap. */ static inline void PMC_HAL_SetBandgapInLowPowerModeCmd(uint32_t baseAddr, bool enable) { BW_PMC_REGSC_BGEN(baseAddr, enable); } #endif /*! * @brief Enables/Disables the Bandgap Buffer. * * This function enables/disables the Bandgap buffer. * * @param baseAddr Base address for current PMC instance. * @param enable enable/disable the Bangap Buffer. */ static inline void PMC_HAL_SetBandgapBufferCmd(uint32_t baseAddr, bool enable) { BW_PMC_REGSC_BGBE(baseAddr, enable); } /*! * @brief Gets the acknowledge isolation value. * * This function reads the Acknowledge Isolation setting that indicates * whether certain peripherals and the I/O pads are in a latched state as * a result of having been in the VLLS mode. * * @param baseAddr Base address for current PMC instance. * @return value ACK isolation * 0 - Peripherals and I/O pads are in a normal run state. * 1 - Certain peripherals and I/O pads are in an isolated and * latched state. */ static inline uint8_t PMC_HAL_GetAckIsolation(uint32_t baseAddr) { return BR_PMC_REGSC_ACKISO(baseAddr); } /*! * @brief Clears an acknowledge isolation. * * This function clears the ACK Isolation flag. Writing one to this setting * when it is set releases the I/O pads and certain peripherals to their normal * run mode state. * * @param baseAddr Base address for current PMC instance. */ static inline void PMC_HAL_SetClearAckIsolation(uint32_t baseAddr) { BW_PMC_REGSC_ACKISO(baseAddr, 1); } /*! * @brief Gets the Regulator regulation status. * * This function returns the regulator to a run regulation status. It provides * the current status of the internal voltage regulator. * * @param baseAddr Base address for current PMC instance. * @return value Regulation status * 0 - Regulator is in a stop regulation or in transition to/from it. * 1 - Regulator is in a run regulation. * */ static inline uint8_t PMC_HAL_GetRegulatorStatus(uint32_t baseAddr) { return BR_PMC_REGSC_REGONS(baseAddr); } /*@}*/ #if defined(__cplusplus) } #endif /* __cplusplus*/ /*! @}*/ #endif /* __FSL_PMC_HAL_H__*/ /******************************************************************************* * EOF ******************************************************************************/