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-rw-r--r--bsps/arm/imxrt/mcux-sdk/drivers/acmp/fsl_acmp.c662
1 files changed, 662 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/mcux-sdk/drivers/acmp/fsl_acmp.c b/bsps/arm/imxrt/mcux-sdk/drivers/acmp/fsl_acmp.c
new file mode 100644
index 0000000000..80ae4320f3
--- /dev/null
+++ b/bsps/arm/imxrt/mcux-sdk/drivers/acmp/fsl_acmp.c
@@ -0,0 +1,662 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2019 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "fsl_acmp.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/* Component ID definition, used by tools. */
+#ifndef FSL_COMPONENT_ID
+#define FSL_COMPONENT_ID "platform.drivers.acmp"
+#endif
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+/*!
+ * @brief Get the ACMP instance from the peripheral base address.
+ *
+ * @param base ACMP peripheral base address.
+ * @return ACMP instance.
+ */
+static uint32_t ACMP_GetInstance(CMP_Type *base);
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+/* Array of ACMP peripheral base address. */
+static CMP_Type *const s_acmpBases[] = CMP_BASE_PTRS;
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/* Clock name of ACMP. */
+static const clock_ip_name_t s_acmpClock[] = CMP_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+/*******************************************************************************
+ * Codes
+ ******************************************************************************/
+static uint32_t ACMP_GetInstance(CMP_Type *base)
+{
+ uint32_t instance = 0U;
+
+ /* Find the instance index from base address mappings. */
+ for (instance = 0; instance < ARRAY_SIZE(s_acmpBases); instance++)
+ {
+ if (s_acmpBases[instance] == base)
+ {
+ break;
+ }
+ }
+
+ assert(instance < ARRAY_SIZE(s_acmpBases));
+
+ return instance;
+}
+
+/*!
+ * brief Initializes the ACMP.
+ *
+ * The default configuration can be got by calling ACMP_GetDefaultConfig().
+ *
+ * param base ACMP peripheral base address.
+ * param config Pointer to ACMP configuration structure.
+ */
+void ACMP_Init(CMP_Type *base, const acmp_config_t *config)
+{
+ assert(NULL != config);
+
+ uint32_t tmp32;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+ /* Open clock gate. */
+ CLOCK_EnableClock(s_acmpClock[ACMP_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+ /* Disable the module before configuring it. */
+ ACMP_Enable(base, false);
+
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ tmp32 = (base->C0 & (~(CMP_C0_PMODE_MASK | CMP_C0_INVT_MASK | CMP_C0_COS_MASK | CMP_C0_OPE_MASK |
+ CMP_C0_HYSTCTR_MASK | CMP_C0_CFx_MASK)));
+#if defined(FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT) && (FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT == 1U)
+ tmp32 &= ~CMP_C0_OFFSET_MASK;
+#endif /* FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT */
+ if (config->enableHighSpeed)
+ {
+ tmp32 |= CMP_C0_PMODE_MASK;
+ }
+ if (config->enableInvertOutput)
+ {
+ tmp32 |= CMP_C0_INVT_MASK;
+ }
+ if (config->useUnfilteredOutput)
+ {
+ tmp32 |= CMP_C0_COS_MASK;
+ }
+ if (config->enablePinOut)
+ {
+ tmp32 |= CMP_C0_OPE_MASK;
+ }
+ tmp32 |= CMP_C0_HYSTCTR(config->hysteresisMode);
+#if defined(FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT) && (FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT == 1U)
+ tmp32 |= CMP_C0_OFFSET(config->offsetMode);
+#endif /* FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT */
+ base->C0 = tmp32;
+}
+
+/*!
+ * brief Deinitializes the ACMP.
+ *
+ * param base ACMP peripheral base address.
+ */
+void ACMP_Deinit(CMP_Type *base)
+{
+ /* Disable the module. */
+ ACMP_Enable(base, false);
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+ /* Disable clock gate. */
+ CLOCK_DisableClock(s_acmpClock[ACMP_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
+
+/*!
+ * brief Gets the default configuration for ACMP.
+ *
+ * This function initializes the user configuration structure to default value. The default value are:
+ *
+ * Example:
+ code
+ config->enableHighSpeed = false;
+ config->enableInvertOutput = false;
+ config->useUnfilteredOutput = false;
+ config->enablePinOut = false;
+ config->enableHysteresisBothDirections = false;
+ config->hysteresisMode = kACMP_hysteresisMode0;
+ endcode
+ *
+ * param config Pointer to ACMP configuration structure.
+ */
+void ACMP_GetDefaultConfig(acmp_config_t *config)
+{
+ assert(NULL != config);
+
+ /* Initializes the configure structure to zero. */
+ (void)memset(config, 0, sizeof(*config));
+
+ /* Fill default configuration */
+ config->enableHighSpeed = false;
+ config->enableInvertOutput = false;
+ config->useUnfilteredOutput = false;
+ config->enablePinOut = false;
+#if defined(FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT) && (FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT == 1U)
+ config->offsetMode = kACMP_OffsetLevel0;
+#endif /* FSL_FEATURE_ACMP_HAS_C0_OFFSET_BIT */
+ config->hysteresisMode = kACMP_HysteresisLevel0;
+}
+
+/*!
+ * brief Enables or disables the ACMP.
+ *
+ * param base ACMP peripheral base address.
+ * param enable True to enable the ACMP.
+ */
+void ACMP_Enable(CMP_Type *base, bool enable)
+{
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ if (enable)
+ {
+ base->C0 = ((base->C0 | CMP_C0_EN_MASK) & ~CMP_C0_CFx_MASK);
+ }
+ else
+ {
+ base->C0 &= ~(CMP_C0_EN_MASK | CMP_C0_CFx_MASK);
+ }
+}
+
+#if defined(FSL_FEATURE_ACMP_HAS_C0_LINKEN_BIT) && (FSL_FEATURE_ACMP_HAS_C0_LINKEN_BIT == 1U)
+/*!
+ * brief Enables the link from CMP to DAC enable.
+ *
+ * When this bit is set, the DAC enable/disable is controlled by the bit CMP_C0[EN] instead of CMP_C1[DACEN].
+ *
+ * param base ACMP peripheral base address.
+ * param enable Enable the feature or not.
+ */
+void ACMP_EnableLinkToDAC(CMP_Type *base, bool enable)
+{
+ /* CMPx_C0_LINKEN
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ if (enable)
+ {
+ base->C0 = ((base->C0 | CMP_C0_LINKEN_MASK) & ~CMP_C0_CFx_MASK);
+ }
+ else
+ {
+ base->C0 &= ~(CMP_C0_LINKEN_MASK | CMP_C0_CFx_MASK);
+ }
+}
+#endif /* FSL_FEATURE_ACMP_HAS_C0_LINKEN_BIT */
+
+/*!
+ * brief Sets the channel configuration.
+ *
+ * Note that the plus/minus mux's setting is only valid when the positive/negative port's input isn't from DAC but
+ * from channel mux.
+ *
+ * Example:
+ code
+ acmp_channel_config_t configStruct = {0};
+ configStruct.positivePortInput = kACMP_PortInputFromDAC;
+ configStruct.negativePortInput = kACMP_PortInputFromMux;
+ configStruct.minusMuxInput = 1U;
+ ACMP_SetChannelConfig(CMP0, &configStruct);
+ endcode
+ *
+ * param base ACMP peripheral base address.
+ * param config Pointer to channel configuration structure.
+ */
+void ACMP_SetChannelConfig(CMP_Type *base, const acmp_channel_config_t *config)
+{
+ assert(NULL != config);
+
+ uint32_t tmp32 = (base->C1 & (~(CMP_C1_PSEL_MASK | CMP_C1_MSEL_MASK)));
+
+/* CMPx_C1
+ * Set the input of CMP's positive port.
+ */
+#if (defined(FSL_FEATURE_ACMP_HAS_C1_INPSEL_BIT) && (FSL_FEATURE_ACMP_HAS_C1_INPSEL_BIT == 1U))
+ tmp32 &= ~CMP_C1_INPSEL_MASK;
+ tmp32 |= CMP_C1_INPSEL(config->positivePortInput);
+#endif /* FSL_FEATURE_ACMP_HAS_C1_INPSEL_BIT */
+
+#if (defined(FSL_FEATURE_ACMP_HAS_C1_INNSEL_BIT) && (FSL_FEATURE_ACMP_HAS_C1_INNSEL_BIT == 1U))
+ tmp32 &= ~CMP_C1_INNSEL_MASK;
+ tmp32 |= CMP_C1_INNSEL(config->negativePortInput);
+#endif /* FSL_FEATURE_ACMP_HAS_C1_INPSEL_BIT */
+
+ tmp32 |= CMP_C1_PSEL(config->plusMuxInput) | CMP_C1_MSEL(config->minusMuxInput);
+
+ base->C1 = tmp32;
+}
+
+/*!
+ * brief Enables or disables DMA.
+ *
+ * param base ACMP peripheral base address.
+ * param enable True to enable DMA.
+ */
+void ACMP_EnableDMA(CMP_Type *base, bool enable)
+{
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ if (enable)
+ {
+ base->C0 = ((base->C0 | CMP_C0_DMAEN_MASK) & ~CMP_C0_CFx_MASK);
+ }
+ else
+ {
+ base->C0 &= ~(CMP_C0_DMAEN_MASK | CMP_C0_CFx_MASK);
+ }
+}
+
+/*!
+ * brief Enables or disables window mode.
+ *
+ * param base ACMP peripheral base address.
+ * param enable True to enable window mode.
+ */
+void ACMP_EnableWindowMode(CMP_Type *base, bool enable)
+{
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ if (enable)
+ {
+ base->C0 = ((base->C0 | CMP_C0_WE_MASK) & ~CMP_C0_CFx_MASK);
+ }
+ else
+ {
+ base->C0 &= ~(CMP_C0_WE_MASK | CMP_C0_CFx_MASK);
+ }
+}
+
+/*!
+ * brief Configures the filter.
+ *
+ * The filter can be enabled when the filter count is bigger than 1, the filter period is greater than 0 and the sample
+ * clock is from divided bus clock or the filter is bigger than 1 and the sample clock is from external clock. Detailed
+ * usage can be got from the reference manual.
+ *
+ * Example:
+ code
+ acmp_filter_config_t configStruct = {0};
+ configStruct.filterCount = 5U;
+ configStruct.filterPeriod = 200U;
+ configStruct.enableSample = false;
+ ACMP_SetFilterConfig(CMP0, &configStruct);
+ endcode
+ *
+ * param base ACMP peripheral base address.
+ * param config Pointer to filter configuration structure.
+ */
+void ACMP_SetFilterConfig(CMP_Type *base, const acmp_filter_config_t *config)
+{
+ assert(NULL != config);
+
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ uint32_t tmp32 = (base->C0 & (~(CMP_C0_FILTER_CNT_MASK | CMP_C0_FPR_MASK | CMP_C0_SE_MASK | CMP_C0_CFx_MASK)));
+
+ if (config->enableSample)
+ {
+ tmp32 |= CMP_C0_SE_MASK;
+ }
+ tmp32 |= (CMP_C0_FILTER_CNT(config->filterCount) | CMP_C0_FPR(config->filterPeriod));
+ base->C0 = tmp32;
+}
+
+/*!
+ * brief Configures the internal DAC.
+ *
+ * Example:
+ code
+ acmp_dac_config_t configStruct = {0};
+ configStruct.referenceVoltageSource = kACMP_VrefSourceVin1;
+ configStruct.DACValue = 20U;
+ configStruct.enableOutput = false;
+ configStruct.workMode = kACMP_DACWorkLowSpeedMode;
+ ACMP_SetDACConfig(CMP0, &configStruct);
+ endcode
+ *
+ * param base ACMP peripheral base address.
+ * param config Pointer to DAC configuration structure. "NULL" is for disabling the feature.
+ */
+void ACMP_SetDACConfig(CMP_Type *base, const acmp_dac_config_t *config)
+{
+ uint32_t tmp32;
+
+ /* CMPx_C1
+ * NULL configuration means to disable the feature.
+ */
+ if (NULL == config)
+ {
+ base->C1 &= ~CMP_C1_DACEN_MASK;
+ return;
+ }
+
+ tmp32 = (base->C1 & (~(CMP_C1_VRSEL_MASK | CMP_C1_VOSEL_MASK)));
+ /* Set configuration and enable the feature. */
+ tmp32 |= (CMP_C1_VRSEL(config->referenceVoltageSource) | CMP_C1_VOSEL(config->DACValue) | CMP_C1_DACEN_MASK);
+
+#if defined(FSL_FEATURE_ACMP_HAS_C1_DACOE_BIT) && (FSL_FEATURE_ACMP_HAS_C1_DACOE_BIT == 1U)
+ tmp32 &= ~CMP_C1_DACOE_MASK;
+ if (config->enableOutput)
+ {
+ tmp32 |= CMP_C1_DACOE_MASK;
+ }
+#endif /* FSL_FEATURE_ACMP_HAS_C1_DACOE_BIT */
+
+#if defined(FSL_FEATURE_ACMP_HAS_C1_DMODE_BIT) && (FSL_FEATURE_ACMP_HAS_C1_DMODE_BIT == 1U)
+ switch (config->workMode)
+ {
+ case kACMP_DACWorkLowSpeedMode:
+ tmp32 &= ~CMP_C1_DMODE_MASK;
+ break;
+ case kACMP_DACWorkHighSpeedMode:
+ tmp32 |= CMP_C1_DMODE_MASK;
+ break;
+ default:
+ assert(false);
+ break;
+ }
+#endif /* FSL_FEATURE_ACMP_HAS_C1_DMODE_BIT */
+
+ base->C1 = tmp32;
+}
+
+/*!
+ * brief Configures the round robin mode.
+ *
+ * Example:
+ code
+ acmp_round_robin_config_t configStruct = {0};
+ configStruct.fixedPort = kACMP_FixedPlusPort;
+ configStruct.fixedChannelNumber = 3U;
+ configStruct.checkerChannelMask = 0xF7U;
+ configStruct.sampleClockCount = 0U;
+ configStruct.delayModulus = 0U;
+ ACMP_SetRoundRobinConfig(CMP0, &configStruct);
+ endcode
+ * param base ACMP peripheral base address.
+ * param config Pointer to round robin mode configuration structure. "NULL" is for disabling the feature.
+ */
+void ACMP_SetRoundRobinConfig(CMP_Type *base, const acmp_round_robin_config_t *config)
+{
+ uint32_t tmp32;
+
+ /* CMPx_C2
+ * Set control bit. Avoid clearing status flags at the same time.
+ * NULL configuration means to disable the feature.
+ */
+ if (NULL == config)
+ {
+ tmp32 = CMP_C2_CHnF_MASK;
+#if defined(FSL_FEATURE_ACMP_HAS_C2_RRE_BIT) && (FSL_FEATURE_ACMP_HAS_C2_RRE_BIT == 1U)
+ tmp32 |= CMP_C2_RRE_MASK;
+#endif /* FSL_FEATURE_ACMP_HAS_C2_RRE_BIT */
+ base->C2 &= ~(tmp32);
+ return;
+ }
+
+ /* CMPx_C1
+ * Set all channel's round robin checker enable mask.
+ */
+ tmp32 = (base->C1 & ~(CMP_C1_CHNn_MASK));
+ tmp32 |= ((config->checkerChannelMask) << CMP_C1_CHN0_SHIFT);
+ base->C1 = tmp32;
+
+ /* CMPx_C2
+ * Set configuration and enable the feature.
+ */
+ tmp32 = (base->C2 &
+ (~(CMP_C2_FXMP_MASK | CMP_C2_FXMXCH_MASK | CMP_C2_NSAM_MASK | CMP_C2_INITMOD_MASK | CMP_C2_CHnF_MASK)));
+ tmp32 |= (CMP_C2_FXMP(config->fixedPort) | CMP_C2_FXMXCH(config->fixedChannelNumber) |
+ CMP_C2_NSAM(config->sampleClockCount) | CMP_C2_INITMOD(config->delayModulus));
+#if defined(FSL_FEATURE_ACMP_HAS_C2_RRE_BIT) && (FSL_FEATURE_ACMP_HAS_C2_RRE_BIT == 1U)
+ tmp32 |= CMP_C2_RRE_MASK;
+#endif /* FSL_FEATURE_ACMP_HAS_C2_RRE_BIT */
+ base->C2 = tmp32;
+}
+
+/*!
+ * brief Defines the pre-set state of channels in round robin mode.
+ *
+ * Note: The pre-state has different circuit with get-round-robin-result in the SOC even though they are same bits.
+ * So get-round-robin-result can't return the same value as the value are set by pre-state.
+ *
+ * param base ACMP peripheral base address.
+ * param mask Mask of round robin channel index. Available range is channel0:0x01 to channel7:0x80.
+ */
+void ACMP_SetRoundRobinPreState(CMP_Type *base, uint32_t mask)
+{
+ /* CMPx_C2
+ * Set control bit. Avoid clearing status flags at the same time.
+ */
+ uint32_t tmp32 = (base->C2 & ~(CMP_C2_ACOn_MASK | CMP_C2_CHnF_MASK));
+
+ tmp32 |= (mask << CMP_C2_ACOn_SHIFT);
+ base->C2 = tmp32;
+}
+
+/*!
+ * brief Clears the channel input changed flags in round robin mode.
+ *
+ * param base ACMP peripheral base address.
+ * param mask Mask of channel index. Available range is channel0:0x01 to channel7:0x80.
+ */
+void ACMP_ClearRoundRobinStatusFlags(CMP_Type *base, uint32_t mask)
+{
+ /* CMPx_C2 */
+ uint32_t tmp32 = (base->C2 & (~CMP_C2_CHnF_MASK));
+
+ tmp32 |= (mask << CMP_C2_CH0F_SHIFT);
+ base->C2 = tmp32;
+}
+
+/*!
+ * brief Enables interrupts.
+ *
+ * param base ACMP peripheral base address.
+ * param mask Interrupts mask. See "_acmp_interrupt_enable".
+ */
+void ACMP_EnableInterrupts(CMP_Type *base, uint32_t mask)
+{
+ uint32_t tmp32;
+
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ * Set CMP interrupt enable flag.
+ */
+ tmp32 = base->C0 & ~CMP_C0_CFx_MASK; /* To protect the W1C flags. */
+ if ((uint32_t)kACMP_OutputRisingInterruptEnable == (mask & (uint32_t)kACMP_OutputRisingInterruptEnable))
+ {
+ tmp32 = ((tmp32 | CMP_C0_IER_MASK) & ~CMP_C0_CFx_MASK);
+ }
+ if ((uint32_t)kACMP_OutputFallingInterruptEnable == (mask & (uint32_t)kACMP_OutputFallingInterruptEnable))
+ {
+ tmp32 = ((tmp32 | CMP_C0_IEF_MASK) & ~CMP_C0_CFx_MASK);
+ }
+ base->C0 = tmp32;
+
+ /* CMPx_C2
+ * Set round robin interrupt enable flag.
+ */
+ if ((uint32_t)kACMP_RoundRobinInterruptEnable == (mask & (uint32_t)kACMP_RoundRobinInterruptEnable))
+ {
+ tmp32 = base->C2;
+ /* Set control bit. Avoid clearing status flags at the same time. */
+ tmp32 = ((tmp32 | CMP_C2_RRIE_MASK) & ~CMP_C2_CHnF_MASK);
+ base->C2 = tmp32;
+ }
+}
+
+/*!
+ * brief Disables interrupts.
+ *
+ * param base ACMP peripheral base address.
+ * param mask Interrupts mask. See "_acmp_interrupt_enable".
+ */
+void ACMP_DisableInterrupts(CMP_Type *base, uint32_t mask)
+{
+ uint32_t tmp32;
+
+ /* CMPx_C0
+ * Set control bit. Avoid clearing status flags at the same time.
+ * Clear CMP interrupt enable flag.
+ */
+ tmp32 = base->C0;
+ if ((uint32_t)kACMP_OutputRisingInterruptEnable == (mask & (uint32_t)kACMP_OutputRisingInterruptEnable))
+ {
+ tmp32 &= ~(CMP_C0_IER_MASK | CMP_C0_CFx_MASK);
+ }
+ if ((uint32_t)kACMP_OutputFallingInterruptEnable == (mask & (uint32_t)kACMP_OutputFallingInterruptEnable))
+ {
+ tmp32 &= ~(CMP_C0_IEF_MASK | CMP_C0_CFx_MASK);
+ }
+ base->C0 = tmp32;
+
+ /* CMPx_C2
+ * Clear round robin interrupt enable flag.
+ */
+ if ((uint32_t)kACMP_RoundRobinInterruptEnable == (mask & (uint32_t)kACMP_RoundRobinInterruptEnable))
+ {
+ tmp32 = base->C2;
+ /* Set control bit. Avoid clearing status flags at the same time. */
+ tmp32 &= ~(CMP_C2_RRIE_MASK | CMP_C2_CHnF_MASK);
+ base->C2 = tmp32;
+ }
+}
+
+/*!
+ * brief Gets status flags.
+ *
+ * param base ACMP peripheral base address.
+ * return Status flags asserted mask. See "_acmp_status_flags".
+ */
+uint32_t ACMP_GetStatusFlags(CMP_Type *base)
+{
+ uint32_t status = 0U;
+ uint32_t tmp32 = base->C0;
+
+ /* CMPx_C0
+ * Check if each flag is set.
+ */
+ if (CMP_C0_CFR_MASK == (tmp32 & CMP_C0_CFR_MASK))
+ {
+ status |= (uint32_t)kACMP_OutputRisingEventFlag;
+ }
+ if (CMP_C0_CFF_MASK == (tmp32 & CMP_C0_CFF_MASK))
+ {
+ status |= (uint32_t)kACMP_OutputFallingEventFlag;
+ }
+ if (CMP_C0_COUT_MASK == (tmp32 & CMP_C0_COUT_MASK))
+ {
+ status |= (uint32_t)kACMP_OutputAssertEventFlag;
+ }
+
+ return status;
+}
+
+/*!
+ * brief Clears status flags.
+ *
+ * param base ACMP peripheral base address.
+ * param mask Status flags mask. See "_acmp_status_flags".
+ */
+void ACMP_ClearStatusFlags(CMP_Type *base, uint32_t mask)
+{
+ /* CMPx_C0 */
+ uint32_t tmp32 = (base->C0 & (~(CMP_C0_CFR_MASK | CMP_C0_CFF_MASK)));
+
+ /* Clear flag according to mask. */
+ if ((uint32_t)kACMP_OutputRisingEventFlag == (mask & (uint32_t)kACMP_OutputRisingEventFlag))
+ {
+ tmp32 |= CMP_C0_CFR_MASK;
+ }
+ if ((uint32_t)kACMP_OutputFallingEventFlag == (mask & (uint32_t)kACMP_OutputFallingEventFlag))
+ {
+ tmp32 |= CMP_C0_CFF_MASK;
+ }
+ base->C0 = tmp32;
+}
+
+#if defined(FSL_FEATURE_ACMP_HAS_C3_REG) && (FSL_FEATURE_ACMP_HAS_C3_REG == 1U)
+/*!
+ * brief Configure the discrete mode.
+ *
+ * Configure the discrete mode when supporting 3V domain with 1.8V core.
+ *
+ * param base ACMP peripheral base address.
+ * param config Pointer to configuration structure. See "acmp_discrete_mode_config_t".
+ */
+void ACMP_SetDiscreteModeConfig(CMP_Type *base, const acmp_discrete_mode_config_t *config)
+{
+ uint32_t tmp32 = 0U;
+
+ if (!config->enablePositiveChannelDiscreteMode)
+ {
+ tmp32 |= CMP_C3_PCHCTEN_MASK;
+ }
+ if (!config->enableNegativeChannelDiscreteMode)
+ {
+ tmp32 |= CMP_C3_NCHCTEN_MASK;
+ }
+ if (config->enableResistorDivider)
+ {
+ tmp32 |= CMP_C3_RDIVE_MASK;
+ }
+
+ tmp32 |= CMP_C3_DMCS(config->clockSource) /* Select the clock. */
+ | CMP_C3_ACSAT(config->sampleTime) /* Sample time period. */
+ | CMP_C3_ACPH1TC(config->phase1Time) /* Phase 1 sample time. */
+ | CMP_C3_ACPH2TC(config->phase2Time); /* Phase 2 sample time. */
+
+ base->C3 = tmp32;
+}
+
+/*!
+ * brief Get the default configuration for discrete mode setting.
+ *
+ * param config Pointer to configuration structure to be restored with the setting values.
+ */
+void ACMP_GetDefaultDiscreteModeConfig(acmp_discrete_mode_config_t *config)
+{
+ assert(NULL != config);
+
+ /* Initializes the configure structure to zero. */
+ (void)memset(config, 0, sizeof(*config));
+
+ config->enablePositiveChannelDiscreteMode = false;
+ config->enableNegativeChannelDiscreteMode = false;
+ config->enableResistorDivider = false;
+ config->clockSource = kACMP_DiscreteClockSlow;
+ config->sampleTime = kACMP_DiscreteSampleTimeAs1T;
+ config->phase1Time = kACMP_DiscretePhaseTimeAlt0;
+ config->phase2Time = kACMP_DiscretePhaseTimeAlt0;
+}
+
+#endif /* FSL_FEATURE_ACMP_HAS_C3_REG */