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Diffstat (limited to 'drivers/fsl_port.h')
| -rw-r--r-- | drivers/fsl_port.h | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/drivers/fsl_port.h b/drivers/fsl_port.h new file mode 100644 index 0000000..655e524 --- /dev/null +++ b/drivers/fsl_port.h @@ -0,0 +1,497 @@ +/* + * The Clear BSD License + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted (subject to the limitations in the disclaimer below) 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. + * + * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. + * 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. + */ +#ifndef _FSL_PORT_H_ +#define _FSL_PORT_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup port + * @{ + */ + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/* Component ID definition, used by tools. */ +#ifndef FSL_COMPONENT_ID +#define FSL_COMPONENT_ID "platform.drivers.port" +#endif + + +/*! @name Driver version */ +/*@{*/ +/*! Version 2.0.2. */ +#define FSL_PORT_DRIVER_VERSION (MAKE_VERSION(2, 0, 2)) +/*@}*/ + +#if defined(FSL_FEATURE_PORT_HAS_PULL_ENABLE) && FSL_FEATURE_PORT_HAS_PULL_ENABLE +/*! @brief Internal resistor pull feature selection */ +enum _port_pull +{ + kPORT_PullDisable = 0U, /*!< Internal pull-up/down resistor is disabled. */ + kPORT_PullDown = 2U, /*!< Internal pull-down resistor is enabled. */ + kPORT_PullUp = 3U, /*!< Internal pull-up resistor is enabled. */ +}; +#endif /* FSL_FEATURE_PORT_HAS_PULL_ENABLE */ + +#if defined(FSL_FEATURE_PORT_HAS_SLEW_RATE) && FSL_FEATURE_PORT_HAS_SLEW_RATE +/*! @brief Slew rate selection */ +enum _port_slew_rate +{ + kPORT_FastSlewRate = 0U, /*!< Fast slew rate is configured. */ + kPORT_SlowSlewRate = 1U, /*!< Slow slew rate is configured. */ +}; +#endif /* FSL_FEATURE_PORT_HAS_SLEW_RATE */ + +#if defined(FSL_FEATURE_PORT_HAS_OPEN_DRAIN) && FSL_FEATURE_PORT_HAS_OPEN_DRAIN +/*! @brief Open Drain feature enable/disable */ +enum _port_open_drain_enable +{ + kPORT_OpenDrainDisable = 0U, /*!< Open drain output is disabled. */ + kPORT_OpenDrainEnable = 1U, /*!< Open drain output is enabled. */ +}; +#endif /* FSL_FEATURE_PORT_HAS_OPEN_DRAIN */ + +#if defined(FSL_FEATURE_PORT_HAS_PASSIVE_FILTER) && FSL_FEATURE_PORT_HAS_PASSIVE_FILTER +/*! @brief Passive filter feature enable/disable */ +enum _port_passive_filter_enable +{ + kPORT_PassiveFilterDisable = 0U, /*!< Passive input filter is disabled. */ + kPORT_PassiveFilterEnable = 1U, /*!< Passive input filter is enabled. */ +}; +#endif + +#if defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH +/*! @brief Configures the drive strength. */ +enum _port_drive_strength +{ + kPORT_LowDriveStrength = 0U, /*!< Low-drive strength is configured. */ + kPORT_HighDriveStrength = 1U, /*!< High-drive strength is configured. */ +}; +#endif /* FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH */ + +#if defined(FSL_FEATURE_PORT_HAS_PIN_CONTROL_LOCK) && FSL_FEATURE_PORT_HAS_PIN_CONTROL_LOCK +/*! @brief Unlock/lock the pin control register field[15:0] */ +enum _port_lock_register +{ + kPORT_UnlockRegister = 0U, /*!< Pin Control Register fields [15:0] are not locked. */ + kPORT_LockRegister = 1U, /*!< Pin Control Register fields [15:0] are locked. */ +}; +#endif /* FSL_FEATURE_PORT_HAS_PIN_CONTROL_LOCK */ + +#if defined(FSL_FEATURE_PORT_PCR_MUX_WIDTH) && FSL_FEATURE_PORT_PCR_MUX_WIDTH +/*! @brief Pin mux selection */ +typedef enum _port_mux +{ + kPORT_PinDisabledOrAnalog = 0U, /*!< Corresponding pin is disabled, but is used as an analog pin. */ + kPORT_MuxAsGpio = 1U, /*!< Corresponding pin is configured as GPIO. */ + kPORT_MuxAlt2 = 2U, /*!< Chip-specific */ + kPORT_MuxAlt3 = 3U, /*!< Chip-specific */ + kPORT_MuxAlt4 = 4U, /*!< Chip-specific */ + kPORT_MuxAlt5 = 5U, /*!< Chip-specific */ + kPORT_MuxAlt6 = 6U, /*!< Chip-specific */ + kPORT_MuxAlt7 = 7U, /*!< Chip-specific */ + kPORT_MuxAlt8 = 8U, /*!< Chip-specific */ + kPORT_MuxAlt9 = 9U, /*!< Chip-specific */ + kPORT_MuxAlt10 = 10U, /*!< Chip-specific */ + kPORT_MuxAlt11 = 11U, /*!< Chip-specific */ + kPORT_MuxAlt12 = 12U, /*!< Chip-specific */ + kPORT_MuxAlt13 = 13U, /*!< Chip-specific */ + kPORT_MuxAlt14 = 14U, /*!< Chip-specific */ + kPORT_MuxAlt15 = 15U, /*!< Chip-specific */ +} port_mux_t; +#endif /* FSL_FEATURE_PORT_PCR_MUX_WIDTH */ + +/*! @brief Configures the interrupt generation condition. */ +typedef enum _port_interrupt +{ + kPORT_InterruptOrDMADisabled = 0x0U, /*!< Interrupt/DMA request is disabled. */ +#if defined(FSL_FEATURE_PORT_HAS_DMA_REQUEST) && FSL_FEATURE_PORT_HAS_DMA_REQUEST + kPORT_DMARisingEdge = 0x1U, /*!< DMA request on rising edge. */ + kPORT_DMAFallingEdge = 0x2U, /*!< DMA request on falling edge. */ + kPORT_DMAEitherEdge = 0x3U, /*!< DMA request on either edge. */ +#endif +#if defined(FSL_FEATURE_PORT_HAS_IRQC_FLAG) && FSL_FEATURE_PORT_HAS_IRQC_FLAG + kPORT_FlagRisingEdge = 0x05U, /*!< Flag sets on rising edge. */ + kPORT_FlagFallingEdge = 0x06U, /*!< Flag sets on falling edge. */ + kPORT_FlagEitherEdge = 0x07U, /*!< Flag sets on either edge. */ +#endif + kPORT_InterruptLogicZero = 0x8U, /*!< Interrupt when logic zero. */ + kPORT_InterruptRisingEdge = 0x9U, /*!< Interrupt on rising edge. */ + kPORT_InterruptFallingEdge = 0xAU, /*!< Interrupt on falling edge. */ + kPORT_InterruptEitherEdge = 0xBU, /*!< Interrupt on either edge. */ + kPORT_InterruptLogicOne = 0xCU, /*!< Interrupt when logic one. */ +#if defined(FSL_FEATURE_PORT_HAS_IRQC_TRIGGER) && FSL_FEATURE_PORT_HAS_IRQC_TRIGGER + kPORT_ActiveHighTriggerOutputEnable = 0xDU, /*!< Enable active high-trigger output. */ + kPORT_ActiveLowTriggerOutputEnable = 0xEU, /*!< Enable active low-trigger output. */ +#endif +} port_interrupt_t; + +#if defined(FSL_FEATURE_PORT_HAS_DIGITAL_FILTER) && FSL_FEATURE_PORT_HAS_DIGITAL_FILTER +/*! @brief Digital filter clock source selection */ +typedef enum _port_digital_filter_clock_source +{ + kPORT_BusClock = 0U, /*!< Digital filters are clocked by the bus clock. */ + kPORT_LpoClock = 1U, /*!< Digital filters are clocked by the 1 kHz LPO clock. */ +} port_digital_filter_clock_source_t; + +/*! @brief PORT digital filter feature configuration definition */ +typedef struct _port_digital_filter_config +{ + uint32_t digitalFilterWidth; /*!< Set digital filter width */ + port_digital_filter_clock_source_t clockSource; /*!< Set digital filter clockSource */ +} port_digital_filter_config_t; +#endif /* FSL_FEATURE_PORT_HAS_DIGITAL_FILTER */ + +#if defined(FSL_FEATURE_PORT_PCR_MUX_WIDTH) && FSL_FEATURE_PORT_PCR_MUX_WIDTH +/*! @brief PORT pin configuration structure */ +typedef struct _port_pin_config +{ +#if defined(FSL_FEATURE_PORT_HAS_PULL_ENABLE) && FSL_FEATURE_PORT_HAS_PULL_ENABLE + uint16_t pullSelect : 2; /*!< No-pull/pull-down/pull-up select */ +#else + uint16_t : 2; +#endif /* FSL_FEATURE_PORT_HAS_PULL_ENABLE */ + +#if defined(FSL_FEATURE_PORT_HAS_SLEW_RATE) && FSL_FEATURE_PORT_HAS_SLEW_RATE + uint16_t slewRate : 1; /*!< Fast/slow slew rate Configure */ +#else + uint16_t : 1; +#endif /* FSL_FEATURE_PORT_HAS_SLEW_RATE */ + + uint16_t : 1; + +#if defined(FSL_FEATURE_PORT_HAS_PASSIVE_FILTER) && FSL_FEATURE_PORT_HAS_PASSIVE_FILTER + uint16_t passiveFilterEnable : 1; /*!< Passive filter enable/disable */ +#else + uint16_t : 1; +#endif /* FSL_FEATURE_PORT_HAS_PASSIVE_FILTER */ + +#if defined(FSL_FEATURE_PORT_HAS_OPEN_DRAIN) && FSL_FEATURE_PORT_HAS_OPEN_DRAIN + uint16_t openDrainEnable : 1; /*!< Open drain enable/disable */ +#else + uint16_t : 1; +#endif /* FSL_FEATURE_PORT_HAS_OPEN_DRAIN */ + +#if defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH + uint16_t driveStrength : 1; /*!< Fast/slow drive strength configure */ +#else + uint16_t : 1; +#endif + + uint16_t : 1; + +#if defined(FSL_FEATURE_PORT_PCR_MUX_WIDTH) && (FSL_FEATURE_PORT_PCR_MUX_WIDTH == 3) + uint16_t mux : 3; /*!< Pin mux Configure */ + uint16_t : 4; +#elif defined(FSL_FEATURE_PORT_PCR_MUX_WIDTH) && (FSL_FEATURE_PORT_PCR_MUX_WIDTH == 4) + uint16_t mux : 4; /*!< Pin mux Configure */ + uint16_t : 3; +#else + uint16_t : 7, +#endif + +#if defined(FSL_FEATURE_PORT_HAS_PIN_CONTROL_LOCK) && FSL_FEATURE_PORT_HAS_PIN_CONTROL_LOCK + uint16_t lockRegister : 1; /*!< Lock/unlock the PCR field[15:0] */ +#else + uint16_t : 1; +#endif /* FSL_FEATURE_PORT_HAS_PIN_CONTROL_LOCK */ +} port_pin_config_t; +#endif /* FSL_FEATURE_PORT_PCR_MUX_WIDTH */ + +/******************************************************************************* +* API +******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +#if defined(FSL_FEATURE_PORT_PCR_MUX_WIDTH) && FSL_FEATURE_PORT_PCR_MUX_WIDTH +/*! @name Configuration */ +/*@{*/ + +/*! + * @brief Sets the port PCR register. + * + * This is an example to define an input pin or output pin PCR configuration. + * @code + * // Define a digital input pin PCR configuration + * port_pin_config_t config = { + * kPORT_PullUp, + * kPORT_FastSlewRate, + * kPORT_PassiveFilterDisable, + * kPORT_OpenDrainDisable, + * kPORT_LowDriveStrength, + * kPORT_MuxAsGpio, + * kPORT_UnLockRegister, + * }; + * @endcode + * + * @param base PORT peripheral base pointer. + * @param pin PORT pin number. + * @param config PORT PCR register configuration structure. + */ +static inline void PORT_SetPinConfig(PORT_Type *base, uint32_t pin, const port_pin_config_t *config) +{ + assert(config); + uint32_t addr = (uint32_t)&base->PCR[pin]; + *(volatile uint16_t *)(addr) = *((const uint16_t *)config); +} + +/*! + * @brief Sets the port PCR register for multiple pins. + * + * This is an example to define input pins or output pins PCR configuration. + * @code + * // Define a digital input pin PCR configuration + * port_pin_config_t config = { + * kPORT_PullUp , + * kPORT_PullEnable, + * kPORT_FastSlewRate, + * kPORT_PassiveFilterDisable, + * kPORT_OpenDrainDisable, + * kPORT_LowDriveStrength, + * kPORT_MuxAsGpio, + * kPORT_UnlockRegister, + * }; + * @endcode + * + * @param base PORT peripheral base pointer. + * @param mask PORT pin number macro. + * @param config PORT PCR register configuration structure. + */ +static inline void PORT_SetMultiplePinsConfig(PORT_Type *base, uint32_t mask, const port_pin_config_t *config) +{ + assert(config); + + uint16_t pcrl = *((const uint16_t *)config); + + if (mask & 0xffffU) + { + base->GPCLR = ((mask & 0xffffU) << 16) | pcrl; + } + if (mask >> 16) + { + base->GPCHR = (mask & 0xffff0000U) | pcrl; + } +} + +#if defined(FSL_FEATURE_PORT_HAS_MULTIPLE_IRQ_CONFIG) && FSL_FEATURE_PORT_HAS_MULTIPLE_IRQ_CONFIG +/*! + * @brief Sets the port interrupt configuration in PCR register for multiple pins. + * + * @param base PORT peripheral base pointer. + * @param mask PORT pin number macro. + * @param config PORT pin interrupt configuration. + * - #kPORT_InterruptOrDMADisabled: Interrupt/DMA request disabled. + * - #kPORT_DMARisingEdge : DMA request on rising edge(if the DMA requests exit). + * - #kPORT_DMAFallingEdge: DMA request on falling edge(if the DMA requests exit). + * - #kPORT_DMAEitherEdge : DMA request on either edge(if the DMA requests exit). + * - #kPORT_FlagRisingEdge : Flag sets on rising edge(if the Flag states exit). + * - #kPORT_FlagFallingEdge : Flag sets on falling edge(if the Flag states exit). + * - #kPORT_FlagEitherEdge : Flag sets on either edge(if the Flag states exit). + * - #kPORT_InterruptLogicZero : Interrupt when logic zero. + * - #kPORT_InterruptRisingEdge : Interrupt on rising edge. + * - #kPORT_InterruptFallingEdge: Interrupt on falling edge. + * - #kPORT_InterruptEitherEdge : Interrupt on either edge. + * - #kPORT_InterruptLogicOne : Interrupt when logic one. + * - #kPORT_ActiveHighTriggerOutputEnable : Enable active high-trigger output (if the trigger states exit). + * - #kPORT_ActiveLowTriggerOutputEnable : Enable active low-trigger output (if the trigger states exit).. + */ +static inline void PORT_SetMultipleInterruptPinsConfig(PORT_Type *base, uint32_t mask, port_interrupt_t config) +{ + assert(config); + + if (mask & 0xffffU) + { + base->GICLR = (config << 16) | (mask & 0xffffU); + } + mask = mask >> 16; + if (mask) + { + base->GICHR = (config << 16) | (mask & 0xffffU); + } +} +#endif + +/*! + * @brief Configures the pin muxing. + * + * @param base PORT peripheral base pointer. + * @param pin PORT pin number. + * @param mux pin muxing slot selection. + * - #kPORT_PinDisabledOrAnalog: Pin disabled or work in analog function. + * - #kPORT_MuxAsGpio : Set as GPIO. + * - #kPORT_MuxAlt2 : chip-specific. + * - #kPORT_MuxAlt3 : chip-specific. + * - #kPORT_MuxAlt4 : chip-specific. + * - #kPORT_MuxAlt5 : chip-specific. + * - #kPORT_MuxAlt6 : chip-specific. + * - #kPORT_MuxAlt7 : chip-specific. + * @Note : This function is NOT recommended to use together with the PORT_SetPinsConfig, because + * the PORT_SetPinsConfig need to configure the pin mux anyway (Otherwise the pin mux is + * reset to zero : kPORT_PinDisabledOrAnalog). + * This function is recommended to use to reset the pin mux + * + */ +static inline void PORT_SetPinMux(PORT_Type *base, uint32_t pin, port_mux_t mux) +{ + base->PCR[pin] = (base->PCR[pin] & ~PORT_PCR_MUX_MASK) | PORT_PCR_MUX(mux); +} +#endif /* FSL_FEATURE_PORT_PCR_MUX_WIDTH */ + +#if defined(FSL_FEATURE_PORT_HAS_DIGITAL_FILTER) && FSL_FEATURE_PORT_HAS_DIGITAL_FILTER + +/*! + * @brief Enables the digital filter in one port, each bit of the 32-bit register represents one pin. + * + * @param base PORT peripheral base pointer. + * @param mask PORT pin number macro. + */ +static inline void PORT_EnablePinsDigitalFilter(PORT_Type *base, uint32_t mask, bool enable) +{ + if (enable == true) + { + base->DFER |= mask; + } + else + { + base->DFER &= ~mask; + } +} + +/*! + * @brief Sets the digital filter in one port, each bit of the 32-bit register represents one pin. + * + * @param base PORT peripheral base pointer. + * @param config PORT digital filter configuration structure. + */ +static inline void PORT_SetDigitalFilterConfig(PORT_Type *base, const port_digital_filter_config_t *config) +{ + assert(config); + + base->DFCR = PORT_DFCR_CS(config->clockSource); + base->DFWR = PORT_DFWR_FILT(config->digitalFilterWidth); +} + +#endif /* FSL_FEATURE_PORT_HAS_DIGITAL_FILTER */ + +/*@}*/ + +/*! @name Interrupt */ +/*@{*/ + +/*! + * @brief Configures the port pin interrupt/DMA request. + * + * @param base PORT peripheral base pointer. + * @param pin PORT pin number. + * @param config PORT pin interrupt configuration. + * - #kPORT_InterruptOrDMADisabled: Interrupt/DMA request disabled. + * - #kPORT_DMARisingEdge : DMA request on rising edge(if the DMA requests exit). + * - #kPORT_DMAFallingEdge: DMA request on falling edge(if the DMA requests exit). + * - #kPORT_DMAEitherEdge : DMA request on either edge(if the DMA requests exit). + * - #kPORT_FlagRisingEdge : Flag sets on rising edge(if the Flag states exit). + * - #kPORT_FlagFallingEdge : Flag sets on falling edge(if the Flag states exit). + * - #kPORT_FlagEitherEdge : Flag sets on either edge(if the Flag states exit). + * - #kPORT_InterruptLogicZero : Interrupt when logic zero. + * - #kPORT_InterruptRisingEdge : Interrupt on rising edge. + * - #kPORT_InterruptFallingEdge: Interrupt on falling edge. + * - #kPORT_InterruptEitherEdge : Interrupt on either edge. + * - #kPORT_InterruptLogicOne : Interrupt when logic one. + * - #kPORT_ActiveHighTriggerOutputEnable : Enable active high-trigger output (if the trigger states exit). + * - #kPORT_ActiveLowTriggerOutputEnable : Enable active low-trigger output (if the trigger states exit). + */ +static inline void PORT_SetPinInterruptConfig(PORT_Type *base, uint32_t pin, port_interrupt_t config) +{ + base->PCR[pin] = (base->PCR[pin] & ~PORT_PCR_IRQC_MASK) | PORT_PCR_IRQC(config); +} + +#if defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH +/*! + * @brief Configures the port pin drive strength. + * + * @param base PORT peripheral base pointer. + * @param pin PORT pin number. + * @param config PORT pin drive strength + * - #kPORT_LowDriveStrength = 0U - Low-drive strength is configured. + * - #kPORT_HighDriveStrength = 1U - High-drive strength is configured. + */ +static inline void PORT_SetPinDriveStrength(PORT_Type* base, uint32_t pin, uint8_t strength) +{ + base->PCR[pin] = (base->PCR[pin] & ~PORT_PCR_DSE_MASK) | PORT_PCR_DSE(strength); +} +#endif + +/*! + * @brief Reads the whole port status flag. + * + * If a pin is configured to generate the DMA request, the corresponding flag + * is cleared automatically at the completion of the requested DMA transfer. + * Otherwise, the flag remains set until a logic one is written to that flag. + * If configured for a level sensitive interrupt that remains asserted, the flag + * is set again immediately. + * + * @param base PORT peripheral base pointer. + * @return Current port interrupt status flags, for example, 0x00010001 means the + * pin 0 and 16 have the interrupt. + */ +static inline uint32_t PORT_GetPinsInterruptFlags(PORT_Type *base) +{ + return base->ISFR; +} + +/*! + * @brief Clears the multiple pin interrupt status flag. + * + * @param base PORT peripheral base pointer. + * @param mask PORT pin number macro. + */ +static inline void PORT_ClearPinsInterruptFlags(PORT_Type *base, uint32_t mask) +{ + base->ISFR = mask; +} + +/*@}*/ + +#if defined(__cplusplus) +} +#endif + +/*! @}*/ + +#endif /* _FSL_PORT_H_ */ |