1 files changed, 141 insertions, 0 deletions
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 */