rt-thread/bsp/frdm-k64f/device/MK64F12/MK64F12_vref.h

/*
 * Copyright (c) 2014, Freescale Semiconductor, Inc.
 * All rights reserved.
 *
 * THIS SOFTWARE IS PROVIDED BY FREESCALE "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 FREESCALE 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.
 */
/*
 * WARNING! DO NOT EDIT THIS FILE DIRECTLY!
 *
 * This file was generated automatically and any changes may be lost.
 */
#ifndef __HW_VREF_REGISTERS_H__
#define __HW_VREF_REGISTERS_H__

#include "regs.h"

/*
 * MK64F12 VREF
 *
 * Voltage Reference
 *
 * Registers defined in this header file:
 * - HW_VREF_TRM - VREF Trim Register
 * - HW_VREF_SC - VREF Status and Control Register
 *
 * - hw_vref_t - Struct containing all module registers.
 */

//! @name Module base addresses
//@{
#ifndef REGS_VREF_BASE
#define HW_VREF_INSTANCE_COUNT (1U) //!< Number of instances of the VREF module.
#define REGS_VREF_BASE (0x40074000U) //!< Base address for VREF.
#endif
//@}

//-------------------------------------------------------------------------------------------
// HW_VREF_TRM - VREF Trim Register
//-------------------------------------------------------------------------------------------

#ifndef __LANGUAGE_ASM__
/*!
 * @brief HW_VREF_TRM - VREF Trim Register (RW)
 *
 * Reset value: 0x00U
 *
 * This register contains bits that contain the trim data for the Voltage
 * Reference.
 */
typedef union _hw_vref_trm
{
    uint8_t U;
    struct _hw_vref_trm_bitfields
    {
        uint8_t TRIM : 6;              //!< [5:0] Trim bits
        uint8_t CHOPEN : 1;            //!< [6] Chop oscillator enable. When set,
                                       //! internal chopping operation is enabled and the internal analog offset will
                                       //! be minimized.
        uint8_t RESERVED0 : 1;         //!< [7]
    } B;
} hw_vref_trm_t;
#endif

/*!
 * @name Constants and macros for entire VREF_TRM register
 */
//@{
#define HW_VREF_TRM_ADDR         (REGS_VREF_BASE + 0x0U)

#ifndef __LANGUAGE_ASM__
#define HW_VREF_TRM              (*(__IO hw_vref_trm_t *) HW_VREF_TRM_ADDR)
#define HW_VREF_TRM_RD()         (HW_VREF_TRM.U)
#define HW_VREF_TRM_WR(v)        (HW_VREF_TRM.U = (v))
#define HW_VREF_TRM_SET(v)       (HW_VREF_TRM_WR(HW_VREF_TRM_RD() |  (v)))
#define HW_VREF_TRM_CLR(v)       (HW_VREF_TRM_WR(HW_VREF_TRM_RD() & ~(v)))
#define HW_VREF_TRM_TOG(v)       (HW_VREF_TRM_WR(HW_VREF_TRM_RD() ^  (v)))
#endif
//@}

/*
 * Constants & macros for individual VREF_TRM bitfields
 */

/*!
 * @name Register VREF_TRM, field TRIM[5:0] (RW)
 *
 * These bits change the resulting VREF by approximately +/- 0.5 mV for each
 * step. Min = minimum and max = maximum voltage reference output. For minimum and
 * maximum voltage reference output values, refer to the Data Sheet for this chip.
 *
 * Values:
 * - 000000 - Min
 * - 111111 - Max
 */
//@{
#define BP_VREF_TRM_TRIM     (0U)          //!< Bit position for VREF_TRM_TRIM.
#define BM_VREF_TRM_TRIM     (0x3FU)       //!< Bit mask for VREF_TRM_TRIM.
#define BS_VREF_TRM_TRIM     (6U)          //!< Bit field size in bits for VREF_TRM_TRIM.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_TRM_TRIM field.
#define BR_VREF_TRM_TRIM     (HW_VREF_TRM.B.TRIM)
#endif

//! @brief Format value for bitfield VREF_TRM_TRIM.
#define BF_VREF_TRM_TRIM(v)  (__REG_VALUE_TYPE((__REG_VALUE_TYPE((v), uint8_t) << BP_VREF_TRM_TRIM), uint8_t) & BM_VREF_TRM_TRIM)

#ifndef __LANGUAGE_ASM__
//! @brief Set the TRIM field to a new value.
#define BW_VREF_TRM_TRIM(v)  (HW_VREF_TRM_WR((HW_VREF_TRM_RD() & ~BM_VREF_TRM_TRIM) | BF_VREF_TRM_TRIM(v)))
#endif
//@}

/*!
 * @name Register VREF_TRM, field CHOPEN[6] (RW)
 *
 * This bit is set during factory trimming of the VREF voltage. This bit should
 * be written to 1 to achieve the performance stated in the data sheet.
 *
 * Values:
 * - 0 - Chop oscillator is disabled.
 * - 1 - Chop oscillator is enabled.
 */
//@{
#define BP_VREF_TRM_CHOPEN   (6U)          //!< Bit position for VREF_TRM_CHOPEN.
#define BM_VREF_TRM_CHOPEN   (0x40U)       //!< Bit mask for VREF_TRM_CHOPEN.
#define BS_VREF_TRM_CHOPEN   (1U)          //!< Bit field size in bits for VREF_TRM_CHOPEN.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_TRM_CHOPEN field.
#define BR_VREF_TRM_CHOPEN   (BITBAND_ACCESS8(HW_VREF_TRM_ADDR, BP_VREF_TRM_CHOPEN))
#endif

//! @brief Format value for bitfield VREF_TRM_CHOPEN.
#define BF_VREF_TRM_CHOPEN(v) (__REG_VALUE_TYPE((__REG_VALUE_TYPE((v), uint8_t) << BP_VREF_TRM_CHOPEN), uint8_t) & BM_VREF_TRM_CHOPEN)

#ifndef __LANGUAGE_ASM__
//! @brief Set the CHOPEN field to a new value.
#define BW_VREF_TRM_CHOPEN(v) (BITBAND_ACCESS8(HW_VREF_TRM_ADDR, BP_VREF_TRM_CHOPEN) = (v))
#endif
//@}

//-------------------------------------------------------------------------------------------
// HW_VREF_SC - VREF Status and Control Register
//-------------------------------------------------------------------------------------------

#ifndef __LANGUAGE_ASM__
/*!
 * @brief HW_VREF_SC - VREF Status and Control Register (RW)
 *
 * Reset value: 0x00U
 *
 * This register contains the control bits used to enable the internal voltage
 * reference and to select the buffer mode to be used.
 */
typedef union _hw_vref_sc
{
    uint8_t U;
    struct _hw_vref_sc_bitfields
    {
        uint8_t MODE_LV : 2;           //!< [1:0] Buffer Mode selection
        uint8_t VREFST : 1;            //!< [2] Internal Voltage Reference stable
        uint8_t RESERVED0 : 2;         //!< [4:3]
        uint8_t ICOMPEN : 1;           //!< [5] Second order curvature compensation
                                       //! enable
        uint8_t REGEN : 1;             //!< [6] Regulator enable
        uint8_t VREFEN : 1;            //!< [7] Internal Voltage Reference enable
    } B;
} hw_vref_sc_t;
#endif

/*!
 * @name Constants and macros for entire VREF_SC register
 */
//@{
#define HW_VREF_SC_ADDR          (REGS_VREF_BASE + 0x1U)

#ifndef __LANGUAGE_ASM__
#define HW_VREF_SC               (*(__IO hw_vref_sc_t *) HW_VREF_SC_ADDR)
#define HW_VREF_SC_RD()          (HW_VREF_SC.U)
#define HW_VREF_SC_WR(v)         (HW_VREF_SC.U = (v))
#define HW_VREF_SC_SET(v)        (HW_VREF_SC_WR(HW_VREF_SC_RD() |  (v)))
#define HW_VREF_SC_CLR(v)        (HW_VREF_SC_WR(HW_VREF_SC_RD() & ~(v)))
#define HW_VREF_SC_TOG(v)        (HW_VREF_SC_WR(HW_VREF_SC_RD() ^  (v)))
#endif
//@}

/*
 * Constants & macros for individual VREF_SC bitfields
 */

/*!
 * @name Register VREF_SC, field MODE_LV[1:0] (RW)
 *
 * These bits select the buffer modes for the Voltage Reference module.
 *
 * Values:
 * - 00 - Bandgap on only, for stabilization and startup
 * - 01 - High power buffer mode enabled
 * - 10 - Low-power buffer mode enabled
 * - 11 - Reserved
 */
//@{
#define BP_VREF_SC_MODE_LV   (0U)          //!< Bit position for VREF_SC_MODE_LV.
#define BM_VREF_SC_MODE_LV   (0x03U)       //!< Bit mask for VREF_SC_MODE_LV.
#define BS_VREF_SC_MODE_LV   (2U)          //!< Bit field size in bits for VREF_SC_MODE_LV.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_SC_MODE_LV field.
#define BR_VREF_SC_MODE_LV   (HW_VREF_SC.B.MODE_LV)
#endif

//! @brief Format value for bitfield VREF_SC_MODE_LV.
#define BF_VREF_SC_MODE_LV(v) (__REG_VALUE_TYPE((__REG_VALUE_TYPE((v), uint8_t) << BP_VREF_SC_MODE_LV), uint8_t) & BM_VREF_SC_MODE_LV)

#ifndef __LANGUAGE_ASM__
//! @brief Set the MODE_LV field to a new value.
#define BW_VREF_SC_MODE_LV(v) (HW_VREF_SC_WR((HW_VREF_SC_RD() & ~BM_VREF_SC_MODE_LV) | BF_VREF_SC_MODE_LV(v)))
#endif
//@}

/*!
 * @name Register VREF_SC, field VREFST[2] (RO)
 *
 * This bit indicates that the bandgap reference within the Voltage Reference
 * module has completed its startup and stabilization.
 *
 * Values:
 * - 0 - The module is disabled or not stable.
 * - 1 - The module is stable.
 */
//@{
#define BP_VREF_SC_VREFST    (2U)          //!< Bit position for VREF_SC_VREFST.
#define BM_VREF_SC_VREFST    (0x04U)       //!< Bit mask for VREF_SC_VREFST.
#define BS_VREF_SC_VREFST    (1U)          //!< Bit field size in bits for VREF_SC_VREFST.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_SC_VREFST field.
#define BR_VREF_SC_VREFST    (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_VREFST))
#endif
//@}

/*!
 * @name Register VREF_SC, field ICOMPEN[5] (RW)
 *
 * This bit is set during factory trimming of the VREF voltage. This bit should
 * be written to 1 to achieve the performance stated in the data sheet.
 *
 * Values:
 * - 0 - Disabled
 * - 1 - Enabled
 */
//@{
#define BP_VREF_SC_ICOMPEN   (5U)          //!< Bit position for VREF_SC_ICOMPEN.
#define BM_VREF_SC_ICOMPEN   (0x20U)       //!< Bit mask for VREF_SC_ICOMPEN.
#define BS_VREF_SC_ICOMPEN   (1U)          //!< Bit field size in bits for VREF_SC_ICOMPEN.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_SC_ICOMPEN field.
#define BR_VREF_SC_ICOMPEN   (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_ICOMPEN))
#endif

//! @brief Format value for bitfield VREF_SC_ICOMPEN.
#define BF_VREF_SC_ICOMPEN(v) (__REG_VALUE_TYPE((__REG_VALUE_TYPE((v), uint8_t) << BP_VREF_SC_ICOMPEN), uint8_t) & BM_VREF_SC_ICOMPEN)

#ifndef __LANGUAGE_ASM__
//! @brief Set the ICOMPEN field to a new value.
#define BW_VREF_SC_ICOMPEN(v) (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_ICOMPEN) = (v))
#endif
//@}

/*!
 * @name Register VREF_SC, field REGEN[6] (RW)
 *
 * This bit is used to enable the internal 1.75 V regulator to produce a
 * constant internal voltage supply in order to reduce the sensitivity to external
 * supply noise and variation. If it is desired to keep the regulator enabled in very
 * low power modes, refer to the Chip Configuration details for a description on
 * how this can be achieved. This bit is set during factory trimming of the VREF
 * voltage. This bit should be written to 1 to achieve the performance stated in
 * the data sheet.
 *
 * Values:
 * - 0 - Internal 1.75 V regulator is disabled.
 * - 1 - Internal 1.75 V regulator is enabled.
 */
//@{
#define BP_VREF_SC_REGEN     (6U)          //!< Bit position for VREF_SC_REGEN.
#define BM_VREF_SC_REGEN     (0x40U)       //!< Bit mask for VREF_SC_REGEN.
#define BS_VREF_SC_REGEN     (1U)          //!< Bit field size in bits for VREF_SC_REGEN.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_SC_REGEN field.
#define BR_VREF_SC_REGEN     (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_REGEN))
#endif

//! @brief Format value for bitfield VREF_SC_REGEN.
#define BF_VREF_SC_REGEN(v)  (__REG_VALUE_TYPE((__REG_VALUE_TYPE((v), uint8_t) << BP_VREF_SC_REGEN), uint8_t) & BM_VREF_SC_REGEN)

#ifndef __LANGUAGE_ASM__
//! @brief Set the REGEN field to a new value.
#define BW_VREF_SC_REGEN(v)  (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_REGEN) = (v))
#endif
//@}

/*!
 * @name Register VREF_SC, field VREFEN[7] (RW)
 *
 * This bit is used to enable the bandgap reference within the Voltage Reference
 * module. After the VREF is enabled, turning off the clock to the VREF module
 * via the corresponding clock gate register will not disable the VREF. VREF must
 * be disabled via this VREFEN bit.
 *
 * Values:
 * - 0 - The module is disabled.
 * - 1 - The module is enabled.
 */
//@{
#define BP_VREF_SC_VREFEN    (7U)          //!< Bit position for VREF_SC_VREFEN.
#define BM_VREF_SC_VREFEN    (0x80U)       //!< Bit mask for VREF_SC_VREFEN.
#define BS_VREF_SC_VREFEN    (1U)          //!< Bit field size in bits for VREF_SC_VREFEN.

#ifndef __LANGUAGE_ASM__
//! @brief Read current value of the VREF_SC_VREFEN field.
#define BR_VREF_SC_VREFEN    (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_VREFEN))
#endif

//! @brief Format value for bitfield VREF_SC_VREFEN.
#define BF_VREF_SC_VREFEN(v) (__REG_VALUE_TYPE((__REG_VALUE_TYPE((v), uint8_t) << BP_VREF_SC_VREFEN), uint8_t) & BM_VREF_SC_VREFEN)

#ifndef __LANGUAGE_ASM__
//! @brief Set the VREFEN field to a new value.
#define BW_VREF_SC_VREFEN(v) (BITBAND_ACCESS8(HW_VREF_SC_ADDR, BP_VREF_SC_VREFEN) = (v))
#endif
//@}

//-------------------------------------------------------------------------------------------
// hw_vref_t - module struct
//-------------------------------------------------------------------------------------------
/*!
 * @brief All VREF module registers.
 */
#ifndef __LANGUAGE_ASM__
#pragma pack(1)
typedef struct _hw_vref
{
    __IO hw_vref_trm_t TRM;                //!< [0x0] VREF Trim Register
    __IO hw_vref_sc_t SC;                  //!< [0x1] VREF Status and Control Register
} hw_vref_t;
#pragma pack()

//! @brief Macro to access all VREF registers.
//! @return Reference (not a pointer) to the registers struct. To get a pointer to the struct,
//!     use the '&' operator, like <code>&HW_VREF</code>.
#define HW_VREF        (*(hw_vref_t *) REGS_VREF_BASE)
#endif

#endif // __HW_VREF_REGISTERS_H__
// v22/130726/0.9
// EOF