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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K66F/drivers/fsl_pdb.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /*
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
group-onsemi 0:098463de4c5d 3 * All rights reserved.
group-onsemi 0:098463de4c5d 4 *
group-onsemi 0:098463de4c5d 5 * Redistribution and use in source and binary forms, with or without modification,
group-onsemi 0:098463de4c5d 6 * are permitted provided that the following conditions are met:
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * o Redistributions of source code must retain the above copyright notice, this list
group-onsemi 0:098463de4c5d 9 * of conditions and the following disclaimer.
group-onsemi 0:098463de4c5d 10 *
group-onsemi 0:098463de4c5d 11 * o Redistributions in binary form must reproduce the above copyright notice, this
group-onsemi 0:098463de4c5d 12 * list of conditions and the following disclaimer in the documentation and/or
group-onsemi 0:098463de4c5d 13 * other materials provided with the distribution.
group-onsemi 0:098463de4c5d 14 *
group-onsemi 0:098463de4c5d 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
group-onsemi 0:098463de4c5d 16 * contributors may be used to endorse or promote products derived from this
group-onsemi 0:098463de4c5d 17 * software without specific prior written permission.
group-onsemi 0:098463de4c5d 18 *
group-onsemi 0:098463de4c5d 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
group-onsemi 0:098463de4c5d 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
group-onsemi 0:098463de4c5d 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
group-onsemi 0:098463de4c5d 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
group-onsemi 0:098463de4c5d 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
group-onsemi 0:098463de4c5d 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
group-onsemi 0:098463de4c5d 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
group-onsemi 0:098463de4c5d 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
group-onsemi 0:098463de4c5d 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
group-onsemi 0:098463de4c5d 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
group-onsemi 0:098463de4c5d 29 */
group-onsemi 0:098463de4c5d 30
group-onsemi 0:098463de4c5d 31 #include "fsl_pdb.h"
group-onsemi 0:098463de4c5d 32
group-onsemi 0:098463de4c5d 33 /*******************************************************************************
group-onsemi 0:098463de4c5d 34 * Prototypes
group-onsemi 0:098463de4c5d 35 ******************************************************************************/
group-onsemi 0:098463de4c5d 36 /*!
group-onsemi 0:098463de4c5d 37 * @brief Get instance number for PDB module.
group-onsemi 0:098463de4c5d 38 *
group-onsemi 0:098463de4c5d 39 * @param base PDB peripheral base address
group-onsemi 0:098463de4c5d 40 */
group-onsemi 0:098463de4c5d 41 static uint32_t PDB_GetInstance(PDB_Type *base);
group-onsemi 0:098463de4c5d 42
group-onsemi 0:098463de4c5d 43 /*******************************************************************************
group-onsemi 0:098463de4c5d 44 * Variables
group-onsemi 0:098463de4c5d 45 ******************************************************************************/
group-onsemi 0:098463de4c5d 46 /*! @brief Pointers to PDB bases for each instance. */
group-onsemi 0:098463de4c5d 47 static PDB_Type *const s_pdbBases[] = PDB_BASE_PTRS;
group-onsemi 0:098463de4c5d 48 /*! @brief Pointers to PDB clocks for each instance. */
group-onsemi 0:098463de4c5d 49 const clock_ip_name_t s_pdbClocks[] = PDB_CLOCKS;
group-onsemi 0:098463de4c5d 50
group-onsemi 0:098463de4c5d 51 /*******************************************************************************
group-onsemi 0:098463de4c5d 52 * Codes
group-onsemi 0:098463de4c5d 53 ******************************************************************************/
group-onsemi 0:098463de4c5d 54 static uint32_t PDB_GetInstance(PDB_Type *base)
group-onsemi 0:098463de4c5d 55 {
group-onsemi 0:098463de4c5d 56 uint32_t instance;
group-onsemi 0:098463de4c5d 57
group-onsemi 0:098463de4c5d 58 /* Find the instance index from base address mappings. */
group-onsemi 0:098463de4c5d 59 for (instance = 0; instance < FSL_FEATURE_SOC_PDB_COUNT; instance++)
group-onsemi 0:098463de4c5d 60 {
group-onsemi 0:098463de4c5d 61 if (s_pdbBases[instance] == base)
group-onsemi 0:098463de4c5d 62 {
group-onsemi 0:098463de4c5d 63 break;
group-onsemi 0:098463de4c5d 64 }
group-onsemi 0:098463de4c5d 65 }
group-onsemi 0:098463de4c5d 66
group-onsemi 0:098463de4c5d 67 assert(instance < FSL_FEATURE_SOC_PDB_COUNT);
group-onsemi 0:098463de4c5d 68
group-onsemi 0:098463de4c5d 69 return instance;
group-onsemi 0:098463de4c5d 70 }
group-onsemi 0:098463de4c5d 71
group-onsemi 0:098463de4c5d 72 void PDB_Init(PDB_Type *base, const pdb_config_t *config)
group-onsemi 0:098463de4c5d 73 {
group-onsemi 0:098463de4c5d 74 assert(NULL != config);
group-onsemi 0:098463de4c5d 75
group-onsemi 0:098463de4c5d 76 uint32_t tmp32;
group-onsemi 0:098463de4c5d 77
group-onsemi 0:098463de4c5d 78 /* Enable the clock. */
group-onsemi 0:098463de4c5d 79 CLOCK_EnableClock(s_pdbClocks[PDB_GetInstance(base)]);
group-onsemi 0:098463de4c5d 80
group-onsemi 0:098463de4c5d 81 /* Configure. */
group-onsemi 0:098463de4c5d 82 /* PDBx_SC. */
group-onsemi 0:098463de4c5d 83 tmp32 = base->SC &
group-onsemi 0:098463de4c5d 84 ~(PDB_SC_LDMOD_MASK | PDB_SC_PRESCALER_MASK | PDB_SC_TRGSEL_MASK | PDB_SC_MULT_MASK | PDB_SC_CONT_MASK);
group-onsemi 0:098463de4c5d 85
group-onsemi 0:098463de4c5d 86 tmp32 |= PDB_SC_LDMOD(config->loadValueMode) | PDB_SC_PRESCALER(config->prescalerDivider) |
group-onsemi 0:098463de4c5d 87 PDB_SC_TRGSEL(config->triggerInputSource) | PDB_SC_MULT(config->dividerMultiplicationFactor);
group-onsemi 0:098463de4c5d 88 if (config->enableContinuousMode)
group-onsemi 0:098463de4c5d 89 {
group-onsemi 0:098463de4c5d 90 tmp32 |= PDB_SC_CONT_MASK;
group-onsemi 0:098463de4c5d 91 }
group-onsemi 0:098463de4c5d 92 base->SC = tmp32;
group-onsemi 0:098463de4c5d 93
group-onsemi 0:098463de4c5d 94 PDB_Enable(base, true); /* Enable the PDB module. */
group-onsemi 0:098463de4c5d 95 }
group-onsemi 0:098463de4c5d 96
group-onsemi 0:098463de4c5d 97 void PDB_Deinit(PDB_Type *base)
group-onsemi 0:098463de4c5d 98 {
group-onsemi 0:098463de4c5d 99 PDB_Enable(base, false); /* Disable the PDB module. */
group-onsemi 0:098463de4c5d 100
group-onsemi 0:098463de4c5d 101 /* Disable the clock. */
group-onsemi 0:098463de4c5d 102 CLOCK_DisableClock(s_pdbClocks[PDB_GetInstance(base)]);
group-onsemi 0:098463de4c5d 103 }
group-onsemi 0:098463de4c5d 104
group-onsemi 0:098463de4c5d 105 void PDB_GetDefaultConfig(pdb_config_t *config)
group-onsemi 0:098463de4c5d 106 {
group-onsemi 0:098463de4c5d 107 assert(NULL != config);
group-onsemi 0:098463de4c5d 108
group-onsemi 0:098463de4c5d 109 config->loadValueMode = kPDB_LoadValueImmediately;
group-onsemi 0:098463de4c5d 110 config->prescalerDivider = kPDB_PrescalerDivider1;
group-onsemi 0:098463de4c5d 111 config->dividerMultiplicationFactor = kPDB_DividerMultiplicationFactor1;
group-onsemi 0:098463de4c5d 112 config->triggerInputSource = kPDB_TriggerSoftware;
group-onsemi 0:098463de4c5d 113 config->enableContinuousMode = false;
group-onsemi 0:098463de4c5d 114 }
group-onsemi 0:098463de4c5d 115
group-onsemi 0:098463de4c5d 116 #if defined(FSL_FEATURE_PDB_HAS_DAC) && FSL_FEATURE_PDB_HAS_DAC
group-onsemi 0:098463de4c5d 117 void PDB_SetDACTriggerConfig(PDB_Type *base, uint32_t channel, pdb_dac_trigger_config_t *config)
group-onsemi 0:098463de4c5d 118 {
group-onsemi 0:098463de4c5d 119 assert(channel < PDB_INTC_COUNT);
group-onsemi 0:098463de4c5d 120 assert(NULL != config);
group-onsemi 0:098463de4c5d 121
group-onsemi 0:098463de4c5d 122 uint32_t tmp32 = 0U;
group-onsemi 0:098463de4c5d 123
group-onsemi 0:098463de4c5d 124 /* PDBx_DACINTC. */
group-onsemi 0:098463de4c5d 125 if (config->enableExternalTriggerInput)
group-onsemi 0:098463de4c5d 126 {
group-onsemi 0:098463de4c5d 127 tmp32 |= PDB_INTC_EXT_MASK;
group-onsemi 0:098463de4c5d 128 }
group-onsemi 0:098463de4c5d 129 if (config->enableIntervalTrigger)
group-onsemi 0:098463de4c5d 130 {
group-onsemi 0:098463de4c5d 131 tmp32 |= PDB_INTC_TOE_MASK;
group-onsemi 0:098463de4c5d 132 }
group-onsemi 0:098463de4c5d 133 base->DAC[channel].INTC = tmp32;
group-onsemi 0:098463de4c5d 134 }
group-onsemi 0:098463de4c5d 135 #endif /* FSL_FEATURE_PDB_HAS_DAC */