131 lines
4.5 KiB
C
131 lines
4.5 KiB
C
/*
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* Copyright 2017-2021 NXP
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* All rights reserved.
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*
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _FSL_IOCON_H_
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#define _FSL_IOCON_H_
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#include "fsl_common.h"
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/*!
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* @addtogroup lpc_iocon
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* @{
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*/
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/*! @file */
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/* Component ID definition, used by tools. */
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#ifndef FSL_COMPONENT_ID
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#define FSL_COMPONENT_ID "platform.drivers.lpc_iocon_lite"
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#endif
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/*! @name Driver version */
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/*@{*/
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/*! @brief IOCON driver version 2.0.1. */
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#define LPC_IOCON_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
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/*@}*/
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/**
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* @brief Array of IOCON pin definitions passed to IOCON_SetPinMuxing() must be in this format
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*/
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typedef struct _iocon_group
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{
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uint32_t ionumber : 8; /* IO number */
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uint32_t modefunc : 24; /* Function and mode */
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} iocon_group_t;
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/**
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* @brief IOCON function and mode selection definitions
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* @note See the User Manual for specific modes and functions supported by the various pins.
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*/
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#if defined(IOCON_PIO_MODE_SHIFT)
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#define IOCON_MODE_INACT (0x0 << IOCON_PIO_MODE_SHIFT) /*!< No addition pin function */
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#define IOCON_MODE_PULLDOWN (0x1 << IOCON_PIO_MODE_SHIFT) /*!< Selects pull-down function */
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#define IOCON_MODE_PULLUP (0x2 << IOCON_PIO_MODE_SHIFT) /*!< Selects pull-up function */
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#define IOCON_MODE_REPEATER (0x3 << IOCON_PIO_MODE_SHIFT) /*!< Selects pin repeater function */
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#endif
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#if defined(IOCON_PIO_HYS_SHIFT)
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#define IOCON_HYS_EN (0x1 << IOCON_PIO_HYS_SHIFT) /*!< Enables hysteresis */
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#endif
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#if defined(IOCON_PIO_INV_SHIFT)
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#define IOCON_INV_EN (0x1 << IOCON_PIO_INV_SHIFT) /*!< Enables invert function on input */
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#endif
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#if defined(IOCON_PIO_I2CMODE_SHIFT)
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#define IOCON_STDI2C_EN (0x0 << IOCON_PIO_I2CMODE_SHIFT) /*!< I2C standard mode/fast-mode */
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#define IOCON_STDGPIO_EN \
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(0x1 << IOCON_PIO_I2CMODE_SHIFT) /*!< Standard GPIO functionality. Requires external pull-up for GPIO output \ \
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function */
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#define IOCON_FASTI2C_EN (0x2 << IOCON_PIO_I2CMODE_SHIFT) /*!< I2C Fast-mode Plus */
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#endif
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#if defined(IOCON_PIO_OD_SHIFT)
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#define IOCON_OPENDRAIN_EN (0x1 << IOCON_PIO_OD_SHIFT) /*!< Enables open-drain function */
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#endif
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#if defined(IOCON_PIO_S_MODE_SHIFT)
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#define IOCON_S_MODE_0CLK (0x0 << IOCON_PIO_S_MODE_SHIFT) /*!< Bypass input filter */
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#define IOCON_S_MODE_1CLK \
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(0x1 << IOCON_PIO_S_MODE_SHIFT) /*!< Input pulses shorter than 1 filter clock are rejected \ \
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*/
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#define IOCON_S_MODE_2CLK \
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(0x2 << IOCON_PIO_S_MODE_SHIFT) /*!< Input pulses shorter than 2 filter clock2 are rejected \ \
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*/
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#define IOCON_S_MODE_3CLK \
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(0x3 << IOCON_PIO_S_MODE_SHIFT) /*!< Input pulses shorter than 3 filter clock2 are rejected \ \
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*/
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#endif
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#if defined(IOCON_PIO_CLK_DIV_SHIFT)
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#define IOCON_CLKDIV(div) \
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((div) \
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<< IOCON_PIO_CLK_DIV_SHIFT) /*!< Select peripheral clock divider for input filter sampling clock, 2^n, n=0-6 */
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#endif
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#if defined(IOCON_PIO_DACMODE_SHIFT)
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#define IOCON_DAC_MODE_EN (0x1 << IOCON_PIO_DACMODE_SHIFT) /*!< DAC mode enable */
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* @brief Sets I/O Control pin mux
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* @param base : The base of IOCON peripheral on the chip
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* @param ionumber : GPIO number to mux
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* @param modefunc : OR'ed values of type IOCON_*
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* @return Nothing
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*/
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__STATIC_INLINE void IOCON_PinMuxSet(IOCON_Type *base, uint8_t ionumber, uint32_t modefunc)
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{
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base->PIO[ionumber] = modefunc;
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}
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/**
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* @brief Set all I/O Control pin muxing
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* @param base : The base of IOCON peripheral on the chip
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* @param pinArray : Pointer to array of pin mux selections
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* @param arrayLength : Number of entries in pinArray
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* @return Nothing
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*/
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__STATIC_INLINE void IOCON_SetPinMuxing(IOCON_Type *base, const iocon_group_t *pinArray, uint32_t arrayLength)
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{
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uint32_t i;
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for (i = 0; i < arrayLength; i++)
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{
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IOCON_PinMuxSet(base, pinArray[i].ionumber, pinArray[i].modefunc);
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}
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}
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/* @} */
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#if defined(__cplusplus)
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}
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#endif
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#endif /* _FSL_IOCON_H_ */
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