288 lines
10 KiB
C
288 lines
10 KiB
C
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/*
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* @brief LPC13xx IOCON registers and control functions
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2012
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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_13XX_H_
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#define __IOCON_13XX_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @defgroup IOCON_13XX CHIP: LPC13xx IO Control driver
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* @ingroup CHIP_13XX_Drivers
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* @{
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*/
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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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#if defined(CHIP_LPC1347)
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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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#else
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uint32_t pin:8; /* Pin number */
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uint32_t modefunc:24; /* Function and mode */
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#endif
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} PINMUX_GRP_T;
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/**
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* @brief IO Configuration Unit register block structure
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*/
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#if defined(CHIP_LPC1347)
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typedef struct { /*!< LPC1347 IOCON Structure */
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__IO uint32_t PIO0[24];
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__IO uint32_t PIO1[32];
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} LPC_IOCON_T;
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#else
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/**
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* @brief LPC13XX I/O Configuration register offset
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*/
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typedef enum CHIP_IOCON_PIO {
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IOCON_PIO0_0 = (0x00C >> 2),
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IOCON_PIO0_1 = (0x010 >> 2),
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IOCON_PIO0_2 = (0x01C >> 2),
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IOCON_PIO0_3 = (0x02C >> 2),
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IOCON_PIO0_4 = (0x030 >> 2),
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IOCON_PIO0_5 = (0x034 >> 2),
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IOCON_PIO0_6 = (0x04C >> 2),
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IOCON_PIO0_7 = (0x050 >> 2),
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IOCON_PIO0_8 = (0x060 >> 2),
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IOCON_PIO0_9 = (0x064 >> 2),
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IOCON_PIO0_11 = (0x074 >> 2),
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IOCON_PIO1_0 = (0x078 >> 2),
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IOCON_PIO1_1 = (0x07C >> 2),
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IOCON_PIO1_2 = (0x080 >> 2),
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IOCON_PIO1_3 = (0x090 >> 2),
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IOCON_PIO1_4 = (0x094 >> 2),
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IOCON_PIO1_5 = (0x0A0 >> 2),
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IOCON_PIO1_6 = (0x0A4 >> 2),
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IOCON_PIO1_7 = (0x0A8 >> 2),
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IOCON_PIO1_8 = (0x014 >> 2),
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IOCON_PIO1_9 = (0x038 >> 2),
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IOCON_PIO1_10 = (0x06C >> 2),
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IOCON_PIO1_11 = (0x098 >> 2),
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IOCON_PIO2_0 = (0x008 >> 2),
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IOCON_PIO2_1 = (0x028 >> 2),
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IOCON_PIO2_2 = (0x05C >> 2),
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IOCON_PIO2_3 = (0x08C >> 2),
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IOCON_PIO2_4 = (0x040 >> 2),
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IOCON_PIO2_5 = (0x044 >> 2),
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IOCON_PIO2_6 = (0x000 >> 2),
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IOCON_PIO2_7 = (0x020 >> 2),
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IOCON_PIO2_8 = (0x024 >> 2),
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IOCON_PIO2_9 = (0x054 >> 2),
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IOCON_PIO2_10 = (0x058 >> 2),
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IOCON_PIO2_11 = (0x070 >> 2),
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IOCON_PIO3_0 = (0x084 >> 2),
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IOCON_PIO3_1 = (0x088 >> 2),
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IOCON_PIO3_2 = (0x09C >> 2),
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IOCON_PIO3_3 = (0x0AC >> 2),
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IOCON_PIO3_4 = (0x03C >> 2),
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IOCON_PIO3_5 = (0x048 >> 2),
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} CHIP_IOCON_PIO_T;
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/**
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* @brief LPC13XX Pin location select
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*/
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typedef enum CHIP_IOCON_PIN_LOC {
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IOCON_SCKLOC_PIO0_10 = (0xB0), /*!< Selects SCK0 function in pin location PIO0_10 */
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IOCON_SCKLOC_PIO2_11 = (0xB0 | 1), /*!< Selects SCK0 function in pin location PIO2_11 */
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IOCON_SCKLOC_PIO0_6 = (0xB0 | 2), /*!< Selects SCK0 function in pin location PIO0_6 */
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IOCON_DSRLOC_PIO2_1 = (0xB4), /*!< Selects DSR function in pin location PIO2_1 */
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IOCON_DSRLOC_PIO3_1 = (0xB4 | 1), /*!< Selects DSR function in pin location PIO3_1 */
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IOCON_DCDLOC_PIO2_2 = (0xB8), /*!< Selects DCD function in pin location PIO2_2 */
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IOCON_DCDLOC_PIO3_2 = (0xB8 | 1), /*!< Selects DCD function in pin location PIO3_2 */
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IOCON_RILOC_PIO2_3 = (0xBC), /*!< Selects RI function in pin location PIO2_3 */
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IOCON_RILOC_PIO3_3 = (0xBC | 1), /*!< Selects Ri function in pin location PIO3_3 */
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} CHIP_IOCON_PIN_LOC_T;
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typedef struct { /*!< LPC1343 IOCON Structure */
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__IO uint32_t REG[48];
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} LPC_IOCON_T;
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#endif
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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 supoprted by the
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* various LPC13xx devices. Functionality can vary per device.
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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_RESERVED_BIT_6 (0x1 << 6) /*!< Reserved, must be set. */
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#define IOCON_RESERVED_BIT_7 (0x1 << 7) /*!< Reserved, must be set. */
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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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/**
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* IOCON function and mode selection definitions (old)
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* For backwards compatibility.
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*/
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#define MD_PLN (0x0 << 3) /*!< Disable pull-down and pull-up resistor at resistor at pad */
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#define MD_PDN (0x1 << 3) /*!< Enable pull-down resistor at pad */
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#define MD_PUP (0x2 << 3) /*!< Enable pull-up resistor at pad */
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#define MD_BUK (0x3 << 3) /*!< Enable pull-down and pull-up resistor at resistor at pad (repeater mode) */
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#define MD_HYS (0x1 << 5) /*!< Enable hysteresis */
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#define MD_INV (0x1 << 6) /*!< Invert enable */
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#define MD_ADMODE (0x0 << 7) /*!< Select analog mode */
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#define MD_DIGMODE (0x1 << 7) /*!< Select digitial mode */
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#define MD_DISFIL (0x0 << 8) /*!< Disable 10nS input glitch filter */
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#define MD_ENFIL (0x1 << 8) /*!< Enable 10nS input glitch filter */
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#define MD_SFI2C (0x0 << 8) /*!< I2C standard mode/fast-mode */
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#define MD_STDI2C (0x1 << 8) /*!< I2C standard I/O functionality */
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#define MD_FASTI2C (0x2 << 8) /*!< I2C Fast-mode Plus */
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#define MD_OPENDRAIN (0x1 << 10) /*!< Open drain mode bit */
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#define FUNC0 0x0
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#define FUNC1 0x1
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#define FUNC2 0x2
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#define FUNC3 0x3
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#define FUNC4 0x4
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#define FUNC5 0x5
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#define FUNC6 0x6
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#define FUNC7 0x7
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#if defined(CHIP_LPC1347)
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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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#else
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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 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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STATIC INLINE void Chip_IOCON_PinMuxSet(LPC_IOCON_T *pIOCON, CHIP_IOCON_PIO_T pin, uint32_t modefunc)
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{
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pIOCON->REG[pin] = modefunc;
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}
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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 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, CHIP_IOCON_PIO_T pin, uint16_t mode, uint8_t func)
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{
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Chip_IOCON_PinMuxSet(pIOCON, pin, (uint32_t) (mode | func));
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}
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/**
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* @brief Select pin location
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* @param pIOCON : The base of IOCON peripheral on the chip
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* @param sel : location selection
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* @return Nothing
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*/
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STATIC INLINE void Chip_IOCON_PinLocSel(LPC_IOCON_T *pIOCON, CHIP_IOCON_PIN_LOC_T sel)
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{
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pIOCON->REG[sel >> 2] = sel & 0x03;
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}
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#endif /* defined(CHIP_LPC1347) */
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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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STATIC INLINE void Chip_IOCON_SetPinMuxing(LPC_IOCON_T *pIOCON, const PINMUX_GRP_T* pinArray, uint32_t arrayLength)
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{
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uint32_t ix;
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for (ix = 0; ix < arrayLength; ix++ ) {
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#if defined(CHIP_LPC1347)
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Chip_IOCON_PinMuxSet(pIOCON, pinArray[ix].port, pinArray[ix].pin, pinArray[ix].modefunc);
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#else
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Chip_IOCON_PinMuxSet(pIOCON, (CHIP_IOCON_PIO_T) pinArray[ix].pin, pinArray[ix].modefunc);
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#endif
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}
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}
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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_13XX_H_ */
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