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- /*
- * The Clear BSD License
- * Copyright (c) 2015, Freescale Semiconductor, Inc.
- * Copyright 2016-2017 NXP
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted (subject to the limitations in the disclaimer below) 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 the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
- * 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_pdb.h"
- /* Component ID definition, used by tools. */
- #ifndef FSL_COMPONENT_ID
- #define FSL_COMPONENT_ID "platform.drivers.pdb"
- #endif
- /*******************************************************************************
- * Prototypes
- ******************************************************************************/
- /*!
- * @brief Get instance number for PDB module.
- *
- * @param base PDB peripheral base address
- */
- static uint32_t PDB_GetInstance(PDB_Type *base);
- /*******************************************************************************
- * Variables
- ******************************************************************************/
- /*! @brief Pointers to PDB bases for each instance. */
- static PDB_Type *const s_pdbBases[] = PDB_BASE_PTRS;
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /*! @brief Pointers to PDB clocks for each instance. */
- static const clock_ip_name_t s_pdbClocks[] = PDB_CLOCKS;
- #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
- /*******************************************************************************
- * Codes
- ******************************************************************************/
- static uint32_t PDB_GetInstance(PDB_Type *base)
- {
- uint32_t instance;
- /* Find the instance index from base address mappings. */
- for (instance = 0; instance < ARRAY_SIZE(s_pdbBases); instance++)
- {
- if (s_pdbBases[instance] == base)
- {
- break;
- }
- }
- assert(instance < ARRAY_SIZE(s_pdbBases));
- return instance;
- }
- void PDB_Init(PDB_Type *base, const pdb_config_t *config)
- {
- assert(NULL != config);
- uint32_t tmp32;
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /* Enable the clock. */
- CLOCK_EnableClock(s_pdbClocks[PDB_GetInstance(base)]);
- #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
- /* Configure. */
- /* PDBx_SC. */
- tmp32 = base->SC &
- ~(PDB_SC_LDMOD_MASK | PDB_SC_PRESCALER_MASK | PDB_SC_TRGSEL_MASK | PDB_SC_MULT_MASK | PDB_SC_CONT_MASK);
- tmp32 |= PDB_SC_LDMOD(config->loadValueMode) | PDB_SC_PRESCALER(config->prescalerDivider) |
- PDB_SC_TRGSEL(config->triggerInputSource) | PDB_SC_MULT(config->dividerMultiplicationFactor);
- if (config->enableContinuousMode)
- {
- tmp32 |= PDB_SC_CONT_MASK;
- }
- base->SC = tmp32;
- PDB_Enable(base, true); /* Enable the PDB module. */
- }
- void PDB_Deinit(PDB_Type *base)
- {
- PDB_Enable(base, false); /* Disable the PDB module. */
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /* Disable the clock. */
- CLOCK_DisableClock(s_pdbClocks[PDB_GetInstance(base)]);
- #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
- }
- void PDB_GetDefaultConfig(pdb_config_t *config)
- {
- assert(NULL != config);
- config->loadValueMode = kPDB_LoadValueImmediately;
- config->prescalerDivider = kPDB_PrescalerDivider1;
- config->dividerMultiplicationFactor = kPDB_DividerMultiplicationFactor1;
- config->triggerInputSource = kPDB_TriggerSoftware;
- config->enableContinuousMode = false;
- }
- #if defined(FSL_FEATURE_PDB_HAS_DAC) && FSL_FEATURE_PDB_HAS_DAC
- void PDB_SetDACTriggerConfig(PDB_Type *base, pdb_dac_trigger_channel_t channel, pdb_dac_trigger_config_t *config)
- {
- assert(channel < PDB_INTC_COUNT);
- assert(NULL != config);
- uint32_t tmp32 = 0U;
- /* PDBx_DACINTC. */
- if (config->enableExternalTriggerInput)
- {
- tmp32 |= PDB_INTC_EXT_MASK;
- }
- if (config->enableIntervalTrigger)
- {
- tmp32 |= PDB_INTC_TOE_MASK;
- }
- base->DAC[channel].INTC = tmp32;
- }
- #endif /* FSL_FEATURE_PDB_HAS_DAC */
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