From 56e86c626df3dbf74c1021210636a7c5d92a49ce Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Tue, 30 Oct 2018 16:31:29 +0100 Subject: move to cmake Signed-off-by: Dominik Sliwa --- drivers/src/fsl_pdb.c | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 drivers/src/fsl_pdb.c (limited to 'drivers/src/fsl_pdb.c') diff --git a/drivers/src/fsl_pdb.c b/drivers/src/fsl_pdb.c new file mode 100644 index 0000000..1fc4a9a --- /dev/null +++ b/drivers/src/fsl_pdb.c @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * + * 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 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. + * + * 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" + +/******************************************************************************* + * 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, uint32_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 */ -- cgit v1.2.3