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/*
* Copyright (c) 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.
*/
#include "fsl_vref_hal.h"
#if FSL_FEATURE_SOC_VREF_COUNT
/*******************************************************************************
* Code
******************************************************************************/
/*FUNCTION**********************************************************************
*
* Function Name : VREF_HAL_Init
* Description : This function initializes the module to a default state.
*
*END**************************************************************************/
void VREF_HAL_Init(VREF_Type * base)
{
VREF_BWR_SC_VREFEN(base, true);
VREF_BWR_SC_REGEN(base, true);
VREF_BWR_TRM_TRIM(base, 0x00);
VREF_BWR_SC_MODE_LV(base, kVrefModeBandgapOnly);
#if FSL_FEATURE_VREF_HAS_COMPENSATION
VREF_BWR_SC_ICOMPEN(base, true);
#endif
#if FSL_FEATURE_VREF_HAS_CHOP_OSC
VREF_BWR_TRM_CHOPEN(base, true);
#endif
}
/*FUNCTION**********************************************************************
*
* Function Name : VREF_HAL_Configure
* Description : This function configures the module to a known state.
*
*END**************************************************************************/
void VREF_HAL_Configure(VREF_Type * base, const vref_user_config_t *userConfigPtr)
{
#if FSL_FEATURE_VREF_MODE_LV_TYPE
assert(userConfigPtr->bufferMode <= kVrefModeLowPowerBuffer);
#else
assert(userConfigPtr->bufferMode <= kVrefModeTightRegulationBuffer);
#endif
assert(userConfigPtr->trimValue <= 0x3F);
#if FSL_FEATURE_VREF_HAS_CHOP_OSC
VREF_BWR_TRM_CHOPEN(base, userConfigPtr->chopOscEnable);
#endif
VREF_BWR_SC_REGEN(base, userConfigPtr->regulatorEnable);
#if FSL_FEATURE_VREF_HAS_COMPENSATION
VREF_BWR_SC_ICOMPEN(base, userConfigPtr->soccEnable);
#endif
VREF_BWR_SC_MODE_LV(base, userConfigPtr->bufferMode);
VREF_BWR_TRM_TRIM(base, userConfigPtr->trimValue);
}
#endif
/*******************************************************************************
* EOF
******************************************************************************/
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