| /**************************************************************************** |
| * arch/arm/src/lpc43xx/lpc43_pinconfig.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __ARCH_ARM_SRC_LPC43XX_LPC43_PINCONFIG_H |
| #define __ARCH_ARM_SRC_LPC43XX_LPC43_PINCONFIG_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| /* Include the chip capabilities and SCU definitions file */ |
| |
| #include "chip.h" |
| #include "hardware/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. |
| * |
| * 21-bit Encoding: |
| * 1111 1111 1100 0000 0000 |
| * 9876 5432 1098 7654 3210 |
| * ---- ---- ---- ---- ---- |
| * FFFU UDDI GWSS SSSP PPPP |
| */ |
| |
| /* Alternate function number: |
| * |
| * 1111 1111 1100 0000 0000 |
| * 9876 5432 1098 7654 3210 |
| * ---- ---- ---- ---- ---- |
| * FFF. .... .... .... .... |
| */ |
| |
| #define PINCONF_FUNC_SHIFT (17) /* 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 |
| * ---- ---- ---- ---- ---- |
| * ...U U... .... .... .... |
| */ |
| |
| #define PINCONF_PULLUP (1 << 16) /* Bit 16: 1=Pull-up */ |
| #define PINCONF_PULLDOWN (1 << 15) /* Bit 15: 1=Pull-down */ |
| #define PINCONF_FLOAT (0) /* Bit 15-16=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 (13) /* 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 << 12) /* 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 << 11) /* 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 << 10) /* 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 |
| * ---- ---- ---- ---- ---- |
| * .... .... ..SS SSS. .... |
| */ |
| |
| #define PINCONF_PINS_SHIFT (5) /* Bits 5-9: Pin set */ |
| #define PINCONF_PINS_MASK (31 << 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) |
| # define PINCONF_PINSG (16 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSH (17 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSI (18 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSJ (19 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSK (20 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSL (21 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSM (22 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSN (23 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSO (24 << PINCONF_PINS_SHIFT) /* SFSCLK0 - SFSCLK3 */ |
| # define PINCONF_PINSP (25 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSQ (26 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSR (27 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSS (28 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINST (29 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSU (30 << PINCONF_PINS_SHIFT) /* Reserved */ |
| # define PINCONF_PINSV (31 << PINCONF_PINS_SHIFT) /* Reserved */ |
| |
| /* 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 Prototypes |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: lpc43_pin_config |
| * |
| * Description: |
| * Configure a pin based on bit-encoded description of the pin. |
| * |
| * Input Parameters: |
| * 20-bit encoded value describing the pin. |
| * |
| * Returned Value: |
| * OK on success; A negated errno value on failure. |
| * |
| ****************************************************************************/ |
| |
| 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_FEATURES |
| 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_LPC43_PINCONFIG_H */ |
