diff options
Diffstat (limited to 'drivers/fsl_cmp.h')
| -rw-r--r-- | drivers/fsl_cmp.h | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/drivers/fsl_cmp.h b/drivers/fsl_cmp.h index 4c85bba..5d16bf0 100644 --- a/drivers/fsl_cmp.h +++ b/drivers/fsl_cmp.h @@ -1,6 +1,6 @@ /* * Copyright (c) 2015, Freescale Semiconductor, Inc. - * All rights reserved. + * 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: @@ -12,7 +12,7 @@ * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * - * o Neither the name of Freescale Semiconductor, Inc. nor the names of its + * 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. * @@ -63,8 +63,8 @@ enum _cmp_interrupt_enable */ enum _cmp_status_flags { - kCMP_OutputRisingEventFlag = CMP_SCR_CFR_MASK, /*!< Rising-edge on compare output has occurred. */ - kCMP_OutputFallingEventFlag = CMP_SCR_CFF_MASK, /*!< Falling-edge on compare output has occurred. */ + kCMP_OutputRisingEventFlag = CMP_SCR_CFR_MASK, /*!< Rising-edge on the comparison output has occurred. */ + kCMP_OutputFallingEventFlag = CMP_SCR_CFF_MASK, /*!< Falling-edge on the comparison output has occurred. */ kCMP_OutputAssertEventFlag = CMP_SCR_COUT_MASK, /*!< Return the current value of the analog comparator output. */ }; @@ -84,20 +84,20 @@ typedef enum _cmp_hysteresis_mode */ typedef enum _cmp_reference_voltage_source { - kCMP_VrefSourceVin1 = 0U, /*!< Vin1 is selected as resistor ladder network supply reference Vin. */ - kCMP_VrefSourceVin2 = 1U, /*!< Vin2 is selected as resistor ladder network supply reference Vin. */ + kCMP_VrefSourceVin1 = 0U, /*!< Vin1 is selected as a resistor ladder network supply reference Vin. */ + kCMP_VrefSourceVin2 = 1U, /*!< Vin2 is selected as a resistor ladder network supply reference Vin. */ } cmp_reference_voltage_source_t; /*! - * @brief Configuration for the comparator. + * @brief Configures the comparator. */ typedef struct _cmp_config { bool enableCmp; /*!< Enable the CMP module. */ cmp_hysteresis_mode_t hysteresisMode; /*!< CMP Hysteresis mode. */ - bool enableHighSpeed; /*!< Enable High-speed comparison mode. */ - bool enableInvertOutput; /*!< Enable inverted comparator output. */ - bool useUnfilteredOutput; /*!< Set compare output(COUT) to equal COUTA(true) or COUT(false). */ + bool enableHighSpeed; /*!< Enable High-speed (HS) comparison mode. */ + bool enableInvertOutput; /*!< Enable the inverted comparator output. */ + bool useUnfilteredOutput; /*!< Set the compare output(COUT) to equal COUTA(true) or COUT(false). */ bool enablePinOut; /*!< The comparator output is available on the associated pin. */ #if defined(FSL_FEATURE_CMP_HAS_TRIGGER_MODE) && FSL_FEATURE_CMP_HAS_TRIGGER_MODE bool enableTriggerMode; /*!< Enable the trigger mode. */ @@ -105,24 +105,24 @@ typedef struct _cmp_config } cmp_config_t; /*! - * @brief Configuration for the filter. + * @brief Configures the filter. */ typedef struct _cmp_filter_config { #if defined(FSL_FEATURE_CMP_HAS_EXTERNAL_SAMPLE_SUPPORT) && FSL_FEATURE_CMP_HAS_EXTERNAL_SAMPLE_SUPPORT - bool enableSample; /*!< Using external SAMPLE as sampling clock input, or using divided bus clock. */ + bool enableSample; /*!< Using the external SAMPLE as a sampling clock input or using a divided bus clock. */ #endif /* FSL_FEATURE_CMP_HAS_EXTERNAL_SAMPLE_SUPPORT */ - uint8_t filterCount; /*!< Filter Sample Count. Available range is 1-7, 0 would cause the filter disabled.*/ - uint8_t filterPeriod; /*!< Filter Sample Period. The divider to bus clock. Available range is 0-255. */ + uint8_t filterCount; /*!< Filter Sample Count. Available range is 1-7; 0 disables the filter.*/ + uint8_t filterPeriod; /*!< Filter Sample Period. The divider to the bus clock. Available range is 0-255. */ } cmp_filter_config_t; /*! - * @brief Configuration for the internal DAC. + * @brief Configures the internal DAC. */ typedef struct _cmp_dac_config { cmp_reference_voltage_source_t referenceVoltageSource; /*!< Supply voltage reference source. */ - uint8_t DACValue; /*!< Value for DAC Output Voltage. Available range is 0-63.*/ + uint8_t DACValue; /*!< Value for the DAC Output Voltage. Available range is 0-63.*/ } cmp_dac_config_t; #if defined(__cplusplus) @@ -141,28 +141,28 @@ extern "C" { /*! * @brief Initializes the CMP. * - * This function initializes the CMP module. The operations included are: + * This function initializes the CMP module. The operations included are as follows. * - Enabling the clock for CMP module. * - Configuring the comparator. * - Enabling the CMP module. - * Note: For some devices, multiple CMP instance share the same clock gate. In this case, to enable the clock for - * any instance enables all the CMPs. Check the chip reference manual for the clock assignment of the CMP. + * Note that for some devices, multiple CMP instances share the same clock gate. In this case, to enable the clock for + * any instance enables all CMPs. See the appropriate MCU reference manual for the clock assignment of the CMP. * * @param base CMP peripheral base address. - * @param config Pointer to configuration structure. + * @param config Pointer to the configuration structure. */ void CMP_Init(CMP_Type *base, const cmp_config_t *config); /*! * @brief De-initializes the CMP module. * - * This function de-initializes the CMP module. The operations included are: + * This function de-initializes the CMP module. The operations included are as follows. * - Disabling the CMP module. * - Disabling the clock for CMP module. * * This function disables the clock for the CMP. - * Note: For some devices, multiple CMP instance shares the same clock gate. In this case, before disabling the - * clock for the CMP, ensure that all the CMP instances are not used. + * Note that for some devices, multiple CMP instances share the same clock gate. In this case, before disabling the + * clock for the CMP, ensure that all the CMP instances are not used. * * @param base CMP peripheral base address. */ @@ -172,7 +172,7 @@ void CMP_Deinit(CMP_Type *base); * @brief Enables/disables the CMP module. * * @param base CMP peripheral base address. - * @param enable Enable the module or not. + * @param enable Enables or disables the module. */ static inline void CMP_Enable(CMP_Type *base, bool enable) { @@ -189,7 +189,7 @@ static inline void CMP_Enable(CMP_Type *base, bool enable) /*! * @brief Initializes the CMP user configuration structure. * -* This function initializes the user configuration structure to these default values: +* This function initializes the user configuration structure to these default values. * @code * config->enableCmp = true; * config->hysteresisMode = kCMP_HysteresisLevel0; @@ -207,7 +207,7 @@ void CMP_GetDefaultConfig(cmp_config_t *config); * @brief Sets the input channels for the comparator. * * This function sets the input channels for the comparator. - * Note that two input channels cannot be set as same in the application. When the user selects the same input + * Note that two input channels cannot be set the same way in the application. When the user selects the same input * from the analog mux to the positive and negative port, the comparator is disabled automatically. * * @param base CMP peripheral base address. @@ -228,13 +228,11 @@ void CMP_SetInputChannels(CMP_Type *base, uint8_t positiveChannel, uint8_t negat * @brief Enables/disables the DMA request for rising/falling events. * * This function enables/disables the DMA request for rising/falling events. Either event triggers the generation of - * the DMA - * request from CMP if the DMA feature is enabled. Both events are ignored for generating the DMA request from the CMP - * if the - * DMA is disabled. + * the DMA request from CMP if the DMA feature is enabled. Both events are ignored for generating the DMA request from the CMP + * if the DMA is disabled. * * @param base CMP peripheral base address. - * @param enable Enable the feature or not. + * @param enable Enables or disables the feature. */ void CMP_EnableDMA(CMP_Type *base, bool enable); #endif /* FSL_FEATURE_CMP_HAS_DMA */ @@ -244,7 +242,7 @@ void CMP_EnableDMA(CMP_Type *base, bool enable); * @brief Enables/disables the window mode. * * @param base CMP peripheral base address. - * @param enable Enable the feature or not. + * @param enable Enables or disables the feature. */ static inline void CMP_EnableWindowMode(CMP_Type *base, bool enable) { @@ -264,7 +262,7 @@ static inline void CMP_EnableWindowMode(CMP_Type *base, bool enable) * @brief Enables/disables the pass through mode. * * @param base CMP peripheral base address. - * @param enable Enable the feature or not. + * @param enable Enables or disables the feature. */ static inline void CMP_EnablePassThroughMode(CMP_Type *base, bool enable) { @@ -283,7 +281,7 @@ static inline void CMP_EnablePassThroughMode(CMP_Type *base, bool enable) * @brief Configures the filter. * * @param base CMP peripheral base address. - * @param config Pointer to configuration structure. + * @param config Pointer to the configuration structure. */ void CMP_SetFilterConfig(CMP_Type *base, const cmp_filter_config_t *config); @@ -291,7 +289,7 @@ void CMP_SetFilterConfig(CMP_Type *base, const cmp_filter_config_t *config); * @brief Configures the internal DAC. * * @param base CMP peripheral base address. - * @param config Pointer to configuration structure. "NULL" is for disabling the feature. + * @param config Pointer to the configuration structure. "NULL" disables the feature. */ void CMP_SetDACConfig(CMP_Type *base, const cmp_dac_config_t *config); |