149 lines
6.1 KiB
C
149 lines
6.1 KiB
C
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/*
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* @brief LPC11u6x IOCON driver
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2013
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licensor disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#ifndef __IOCON_11U6X_H_
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#define __IOCON_11U6X_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @defgroup IOCON_11U6X CHIP: LPC11u6x IO Control driver
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* @ingroup CHIP_11U6X_Drivers
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* @{
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*/
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/**
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* @brief LPC11u6x IO Configuration Unit register block structure
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*/
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typedef struct { /*!< LPC11U6X IOCON Structure */
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__IO uint32_t PIO0[24];
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__IO uint32_t PIO1[32];
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__I uint32_t reserved[4];
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__IO uint32_t PIO2A[2];/* PIO2_0/1 only */
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__I uint32_t reserved1[1];
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__IO uint32_t PIO2B[22]; /* PIO2_2 to PIO_2_23 */
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} LPC_IOCON_T;
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/**
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* @brief Array of IOCON pin definitions passed to Chip_IOCON_SetPinMuxing() must be in this format
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*/
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typedef struct {
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uint32_t port : 8; /* Pin port */
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uint32_t pin : 8; /* Pin number */
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uint32_t modefunc : 16; /* Function and mode */
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} PINMUX_GRP_T;
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/**
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* IOCON function and mode selection definitions
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* See the User Manual for specific modes and functions supported by the
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* various LPC11u6x pins.
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*/
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#define IOCON_FUNC0 0x0 /*!< Selects pin function 0 */
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#define IOCON_FUNC1 0x1 /*!< Selects pin function 1 */
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#define IOCON_FUNC2 0x2 /*!< Selects pin function 2 */
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#define IOCON_FUNC3 0x3 /*!< Selects pin function 3 */
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#define IOCON_FUNC4 0x4 /*!< Selects pin function 4 */
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#define IOCON_FUNC5 0x5 /*!< Selects pin function 5 */
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#define IOCON_FUNC6 0x6 /*!< Selects pin function 6 */
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#define IOCON_FUNC7 0x7 /*!< Selects pin function 7 */
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#define IOCON_MODE_INACT (0x0 << 3) /*!< No addition pin function */
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#define IOCON_MODE_PULLDOWN (0x1 << 3) /*!< Selects pull-down function */
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#define IOCON_MODE_PULLUP (0x2 << 3) /*!< Selects pull-up function */
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#define IOCON_MODE_REPEATER (0x3 << 3) /*!< Selects pin repeater function */
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#define IOCON_HYS_EN (0x1 << 5) /*!< Enables hysteresis */
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#define IOCON_INV_EN (0x1 << 6) /*!< Enables invert function on input */
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#define IOCON_ADMODE_EN (0x0 << 7) /*!< Enables analog input function (analog pins only) */
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#define IOCON_DIGMODE_EN (0x1 << 7) /*!< Enables digital function (analog pins only) */
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#define IOCON_SFI2C_EN (0x0 << 8) /*!< I2C standard mode/fast-mode */
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#define IOCON_STDI2C_EN (0x1 << 8) /*!< I2C standard I/O functionality */
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#define IOCON_FASTI2C_EN (0x2 << 8) /*!< I2C Fast-mode Plus */
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#define IOCON_FILT_DIS (0x1 << 8) /*!< Disables noise pulses filtering (10nS glitch filter) */
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#define IOCON_OPENDRAIN_EN (0x1 << 10) /*!< Enables open-drain function */
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#define IOCON_S_MODE_0CLK (0x0 << 11) /*!< Bypass input filter */
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#define IOCON_S_MODE_1CLK (0x1 << 11) /*!< Input pulses shorter than 1 filter clock are rejected */
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#define IOCON_S_MODE_2CLK (0x2 << 11) /*!< Input pulses shorter than 2 filter clock2 are rejected */
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#define IOCON_S_MODE_3CLK (0x3 << 11) /*!< Input pulses shorter than 3 filter clock2 are rejected */
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#define IOCON_S_MODE(clks) ((clks) << 11) /*!< Select clocks for digital input filter mode */
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#define IOCON_CLKDIV(div) ((div) << 13) /*!< Select peripheral clock divider for input filter sampling clock, 0 -6 */
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/**
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* @brief Sets I/O Control pin mux
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* @param pIOCON : The base of IOCON peripheral on the chip
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* @param port : GPIO port to mux
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* @param pin : GPIO pin to mux
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* @param modefunc : OR'ed values or type IOCON_*
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* @return Nothing
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*/
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void Chip_IOCON_PinMuxSet(LPC_IOCON_T *pIOCON, uint8_t port, uint8_t pin, uint32_t modefunc);
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/**
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* @brief I/O Control pin mux
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* @param pIOCON : The base of IOCON peripheral on the chip
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* @param port : GPIO port to mux
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* @param pin : GPIO pin to mux
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* @param mode : OR'ed values or type IOCON_*
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* @param func : Pin function, value of type IOCON_FUNC?
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* @return Nothing
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*/
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STATIC INLINE void Chip_IOCON_PinMux(LPC_IOCON_T *pIOCON, uint8_t port, uint8_t pin, uint16_t mode, uint8_t func)
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{
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Chip_IOCON_PinMuxSet(pIOCON, port, pin, (uint32_t) (mode | func));
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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 pIOCON : 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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void Chip_IOCON_SetPinMuxing(LPC_IOCON_T *pIOCON, const PINMUX_GRP_T* pinArray, uint32_t arrayLength);
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/**
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* @brief Returns the value of I/O Control pin mux
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* @param pIOCON : The base of IOCON peripheral on the chip
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* @param port : GPIO port to mux
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* @param pin : GPIO pin to mux
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* @return Value of IOCON register
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*/
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uint32_t Chip_IOCON_GetPinMux(LPC_IOCON_T *pIOCON, uint8_t port, uint8_t pin);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __IOCON_11U6X_H_ */
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