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/*
* @brief LPC5410X IOCON register block and driver
*
* @note
* Copyright(C) NXP Semiconductors, 2014
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
#ifndef __IOCON_5410X_H_
#define __IOCON_5410X_H_
#ifdef __cplusplus
extern "C" {
#endif
/** @defgroup IOCON_5410X CHIP: LPC5410X IOCON register block and driver
* @ingroup CHIP_5410X_DRIVERS
* @{
*/
/**
* @brief LPC5410X IO Configuration Unit register block structure
*/
typedef struct { /*!< LPC5410X IOCON Structure */
__IO uint32_t PIO[2][32];
} LPC_IOCON_T;
/**
* @brief Array of IOCON pin definitions passed to Chip_IOCON_SetPinMuxing() must be in this format
*/
typedef struct {
uint32_t port : 8; /* Pin port */
uint32_t pin : 8; /* Pin number */
uint32_t modefunc : 16; /* Function and mode */
} PINMUX_GRP_T;
/**
* IOCON function and mode selection definitions
* See the User Manual for specific modes and functions supported by the
* various LPC15XX pins.
*/
#define IOCON_FUNC0 0x0 /*!< Selects pin function 0 */
#define IOCON_FUNC1 0x1 /*!< Selects pin function 1 */
#define IOCON_FUNC2 0x2 /*!< Selects pin function 2 */
#define IOCON_FUNC3 0x3 /*!< Selects pin function 3 */
#define IOCON_FUNC4 0x4 /*!< Selects pin function 4 */
#define IOCON_FUNC5 0x5 /*!< Selects pin function 5 */
#define IOCON_FUNC6 0x6 /*!< Selects pin function 6 */
#define IOCON_FUNC7 0x7 /*!< Selects pin function 7 */
#define IOCON_MODE_INACT (0x0 << 3) /*!< No addition pin function */
#define IOCON_MODE_PULLDOWN (0x1 << 3) /*!< Selects pull-down function */
#define IOCON_MODE_PULLUP (0x2 << 3) /*!< Selects pull-up function */
#define IOCON_MODE_REPEATER (0x3 << 3) /*!< Selects pin repeater function */
#define IOCON_HYS_EN (0x1 << 5) /*!< Enables hysteresis */
#define IOCON_GPIO_MODE (0x1 << 5) /*!< GPIO Mode */
#define IOCON_I2C_SLEW (0x1 << 5) /*!< I2C Slew Rate Control */
#define IOCON_INV_EN (0x1 << 6) /*!< Enables invert function on input */
#define IOCON_ANALOG_EN (0x0 << 7) /*!< Enables analog function by setting 0 to bit 7 */
#define IOCON_DIGITAL_EN (0x1 << 7) /*!< Enables digital function by setting 1 to bit 7(default) */
#define IOCON_STDI2C_EN (0x1 << 8) /*!< I2C standard mode/fast-mode */
#define IOCON_FASTI2C_EN (0x3 << 8) /*!< I2C Fast-mode Plus and high-speed slave */
#define IOCON_INPFILT_OFF (0x1 << 8) /*!< Input filter Off for GPIO pins */
#define IOCON_INPFILT_ON (0x0 << 8) /*!< Input filter On for GPIO pins */
#define IOCON_OPENDRAIN_EN (0x1 << 10) /*!< Enables open-drain function */
#define IOCON_S_MODE_0CLK (0x0 << 11) /*!< Bypass input filter */
#define IOCON_S_MODE_1CLK (0x1 << 11) /*!< Input pulses shorter than 1 filter clock are rejected */
#define IOCON_S_MODE_2CLK (0x2 << 11) /*!< Input pulses shorter than 2 filter clock2 are rejected */
#define IOCON_S_MODE_3CLK (0x3 << 11) /*!< Input pulses shorter than 3 filter clock2 are rejected */
#define IOCON_S_MODE(clks) ((clks) << 11) /*!< Select clocks for digital input filter mode */
#define IOCON_CLKDIV(div) ((div) << 13) /*!< Select peripheral clock divider for input filter sampling clock, 2^n, n=0-6 */
/**
* @brief Sets I/O Control pin mux
* @param pIOCON : The base of IOCON peripheral on the chip
* @param port : GPIO port to mux
* @param pin : GPIO pin to mux
* @param modefunc : OR'ed values or type IOCON_*
* @return Nothing
*/
STATIC INLINE void Chip_IOCON_PinMuxSet(LPC_IOCON_T *pIOCON, uint8_t port, uint8_t pin, uint32_t modefunc)
{
pIOCON->PIO[port][pin] = modefunc;
}
/**
* @brief I/O Control pin mux
* @param pIOCON : The base of IOCON peripheral on the chip
* @param port : GPIO port to mux
* @param pin : GPIO pin to mux
* @param mode : OR'ed values or type IOCON_*
* @param func : Pin function, value of type IOCON_FUNC?
* @return Nothing
*/
STATIC INLINE void Chip_IOCON_PinMux(LPC_IOCON_T *pIOCON, uint8_t port, uint8_t pin, uint16_t mode, uint8_t func)
{
Chip_IOCON_PinMuxSet(pIOCON, port, pin, (uint32_t) (mode | func));
}
/**
* @brief Set all I/O Control pin muxing
* @param pIOCON : The base of IOCON peripheral on the chip
* @param pinArray : Pointer to array of pin mux selections
* @param arrayLength : Number of entries in pinArray
* @return Nothing
*/
void Chip_IOCON_SetPinMuxing(LPC_IOCON_T *pIOCON, const PINMUX_GRP_T *pinArray, uint32_t arrayLength);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __IOCON_5410X_H_ */
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