279 lines
11 KiB
C
279 lines
11 KiB
C
/********************************************************************************************
|
|
* arch/arm/src/lpc43xx/lpc43_pinconfig.h
|
|
*
|
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* 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 OWNER 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 __ARCH_ARM_SRC_LPC43XX_PINCONFIG_H
|
|
#define __ARCH_ARM_SRC_LPC43XX_PINCONFIG_H
|
|
|
|
/********************************************************************************************
|
|
* Included Files
|
|
********************************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
/* Include the chip capabilities and SCU definitions file */
|
|
|
|
#include "chip.h"
|
|
#include "chip/lpc43_scu.h"
|
|
|
|
/********************************************************************************************
|
|
* Pre-processor Definitions
|
|
********************************************************************************************/
|
|
/* Each configurable pin can be individually configured by software in several modes. The
|
|
* following definitions provide the bit encoding that is used to define a pin configuration.
|
|
* Note that these pins do not corresponding GPIO ports and pins.
|
|
*
|
|
* 20-bit Encoding:
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .FFF UUDD IGWS SSSP PPPP
|
|
*/
|
|
|
|
/* Alternate function number:
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .FFF .... .... .... ....
|
|
*/
|
|
|
|
#define PINCONF_FUNC_SHIFT (16) /* Bits 16-18: Alternate function number */
|
|
#define PINCONF_FUNC_MASK (7 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC(n) ((n) << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC0 (0 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC1 (1 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC2 (2 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC3 (3 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC4 (4 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC5 (5 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC6 (6 << PINCONF_FUNC_SHIFT)
|
|
# define PINCONF_FUNC7 (7 << PINCONF_FUNC_SHIFT)
|
|
|
|
/* Pull-up/down resisters. These selections are available for all pins but may not
|
|
* make sense for all pins. NOTE: that both pull up and down is not precluded.
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... UU.. .... .... ....
|
|
*/
|
|
|
|
#define PINCONF_PULLUP (1 << 15) /* Bit 15: 1=Pull-up */
|
|
#define PINCONF_PULLDOWN (1 << 14) /* Bit 14: 1=Pull-down */
|
|
#define PINCONF_FLOAT (0) /* Bit 14-15=0 if neither */
|
|
|
|
#define PINCONF_IS_PULLUP(p) (((p) & PINCONF_PULLUP) != 0)
|
|
#define PINCONF_IS_PULLDOWN(p) (((p) & PINCONF_PULLDOWN) != 0)
|
|
#define PINCONF_IS_FLOAT(p) (((p) & (PINCONF_PULLUP|PINCONF_PULLDOWN) == 0)
|
|
|
|
/* Drive strength. These selections are available only for high-drive pins
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... ..DD .... .... ....
|
|
*/
|
|
|
|
#define PINCONF_DRIVE_SHIFT (12) /* Bits 12-13 = Pin drive strength */
|
|
#define PINCONF_DRIVE_MASK (3 << PINCONF_DRIVE_SHIFT)
|
|
# define PINCONF_DRIVE_NORMAL (0 << PINCONF_DRIVE_SHIFT)
|
|
# define PINCONF_DRIVE_MEDIUM (1 << PINCONF_DRIVE_SHIFT)
|
|
# define PINCONF_DRIVE_HIGH (2 << PINCONF_DRIVE_SHIFT)
|
|
# define PINCONF_DRIVE_ULTRA (3 << PINCONF_DRIVE_SHIFT)
|
|
|
|
/* Input buffer enable
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... .... I... .... ....
|
|
*/
|
|
|
|
#define PINCONF_INBUFFER (1 << 11) /* Bit 11: 1=Enabled input buffer */
|
|
#define PINCONF_INBUFFER_ENABLED(p) (((p) & PINCONF_INBUFFER) != 0)
|
|
|
|
/* Glitch filter enable
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... .... .G.. .... ....
|
|
*/
|
|
|
|
#define PINCONF_GLITCH (1 << 10) /* Bit 10: 1=Glitch filter enable */
|
|
#define PINCONF_GLITCH_ENABLE(p) (((p) & PINCONF_GLITCH) == 0)
|
|
|
|
/* Slew rate
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... .... ..W. .... ....
|
|
*/
|
|
|
|
#define PINCONF_SLEW_FAST (1 << 9) /* Bit 9: 1=Alternate function */
|
|
#define PINCONF_SLEW_SLOW (0) /* Bit 9: 0=Normal function */
|
|
|
|
#define PINCONF_IS_SLEW_FAST(p) (((p) & PINCONF_SLEW_FAST) != 0)
|
|
#define PINCONF_IS_SLOW_SLOW(p) (((p) & PINCONF_SLEW_FAST) == 0)
|
|
|
|
/* Pin configuration sets:
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... .... ...S SSS. ....
|
|
*/
|
|
|
|
#define PINCONF_PINS_SHIFT (5) /* Bits 5-8: Pin set */
|
|
#define PINCONF_PINS_MASK (15 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS0 (0 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS1 (1 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS2 (2 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS3 (3 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS4 (4 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS5 (5 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS6 (6 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS7 (7 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS8 (8 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINS9 (9 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINSA (10 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINSB (11 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINSC (12 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINSD (13 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINSE (14 << PINCONF_PINS_SHIFT)
|
|
# define PINCONF_PINSF (15 << PINCONF_PINS_SHIFT)
|
|
|
|
/* Pin numbers:
|
|
*
|
|
* 1111 1111 1100 0000 0000
|
|
* 9876 5432 1098 7654 3210
|
|
* ---- ---- ---- ---- ----
|
|
* .... .... .... ...P PPPP
|
|
*/
|
|
|
|
#define PINCONF_PIN_SHIFT (0) /* Bits 0-4: Pin number */
|
|
#define PINCONF_PIN_MASK (31 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_0 (0 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_1 (1 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_2 (2 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_3 (3 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_4 (4 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_5 (5 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_6 (6 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_7 (7 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_8 (8 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_9 (9 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_10 (10 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_11 (11 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_12 (12 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_13 (13 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_14 (14 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_15 (15 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_16 (16 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_17 (17 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_18 (18 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_19 (19 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_20 (20 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_21 (21 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_22 (22 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_23 (23 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_24 (24 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_25 (25 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_26 (26 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_27 (27 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_28 (28 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_29 (29 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_30 (30 << PINCONF_PIN_SHIFT)
|
|
# define PINCONF_PIN_31 (31 << PINCONF_PIN_SHIFT)
|
|
|
|
/********************************************************************************************
|
|
* Public Types
|
|
********************************************************************************************/
|
|
|
|
/********************************************************************************************
|
|
* Public Data
|
|
********************************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C" {
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/********************************************************************************************
|
|
* Public Functions
|
|
********************************************************************************************/
|
|
|
|
/********************************************************************************************
|
|
* Name: lpc43_pin_config
|
|
*
|
|
* Description:
|
|
* Configure a pin based on bit-encoded description of the pin.
|
|
*
|
|
* Input Value:
|
|
* 20-bit encoded value describing the pin.
|
|
*
|
|
* Returned Value:
|
|
* OK on success; A negated errno value on failure.
|
|
*
|
|
********************************************************************************************/
|
|
|
|
EXTERN int lpc43_pin_config(uint32_t pinconf);
|
|
|
|
/********************************************************************************************
|
|
* Function: lpc43_pin_dump
|
|
*
|
|
* Description:
|
|
* Dump all pin configuration registers associated with the provided pin configuration
|
|
*
|
|
********************************************************************************************/
|
|
|
|
#ifdef CONFIG_DEBUG
|
|
EXTERN int lpc43_pin_dump(uint32_t pinconf, const char *msg);
|
|
#else
|
|
# define lpc43_pin_dump(p,m)
|
|
#endif
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __ARCH_ARM_SRC_LPC43XX_PINCONFIG_H */
|