184 lines
5.6 KiB
C
184 lines
5.6 KiB
C
/****************************************************************************
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* arch/arm/src/lpc17xx_40xx/lpc17_40_gpio.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_LPC17XX_40XX_LPC17_40_GPIO_H
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#define __ARCH_ARM_SRC_LPC17XX_40XX_LPC17_40_GPIO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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# include <stdbool.h>
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#endif
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#include <arch/lpc17xx_40xx/chip.h>
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#include "hardware/lpc17_40_gpio.h"
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#include "hardware/lpc17_40_pinconn.h"
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#include "hardware/lpc17_40_pinconfig.h"
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/* Include the GPIO definitions for the selected LPC17xx/LPC40xx family. */
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#if defined(LPC176x)
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# include "lpc176x_gpio.h"
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#elif defined(LPC178x_40xx)
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# include "lpc178x_40xx_gpio.h"
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#else
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# error "Unrecognized LPC17xx/LPC40xx family"
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/* These tables have global scope only because they are shared between
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* lpc17_40_gpio.c, lpc17_40_gpioint.c, and lpc17_40_gpiodbg.c
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*/
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#ifdef CONFIG_LPC17_40_GPIOIRQ
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EXTERN uint64_t g_intedge0;
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EXTERN uint64_t g_intedge2;
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#endif
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EXTERN const uint32_t g_fiobase[GPIO_NPORTS];
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EXTERN const uint32_t g_intbase[GPIO_NPORTS];
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: lpc17_40_gpioirqinitialize
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*
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* Description:
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* Initialize logic to support a second level of interrupt decoding for
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* GPIO pins.
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*
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****************************************************************************/
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#ifdef CONFIG_LPC17_40_GPIOIRQ
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void lpc17_40_gpioirqinitialize(void);
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#else
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# define lpc17_40_gpioirqinitialize()
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#endif
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/****************************************************************************
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* Name: lpc17_40_configgpio
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*
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* Description:
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* Configure a GPIO pin based on bit-encoded description of the pin.
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*
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****************************************************************************/
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int lpc17_40_configgpio(lpc17_40_pinset_t cfgset);
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/****************************************************************************
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* Name: lpc17_40_gpiowrite
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*
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* Description:
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* Write one or zero to the selected GPIO pin
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*
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****************************************************************************/
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void lpc17_40_gpiowrite(lpc17_40_pinset_t pinset, bool value);
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/****************************************************************************
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* Name: lpc17_40_gpioread
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*
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* Description:
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* Read one or zero from the selected GPIO pin
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*
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****************************************************************************/
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bool lpc17_40_gpioread(lpc17_40_pinset_t pinset);
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/****************************************************************************
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* Name: lpc17_40_gpioirqenable
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*
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* Description:
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* Enable the interrupt for specified GPIO IRQ
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*
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****************************************************************************/
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#ifdef CONFIG_LPC17_40_GPIOIRQ
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void lpc17_40_gpioirqenable(int irq);
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#else
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# define lpc17_40_gpioirqenable(irq)
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#endif
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/****************************************************************************
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* Name: lpc17_40_gpioirqdisable
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*
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* Description:
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* Disable the interrupt for specified GPIO IRQ
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*
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****************************************************************************/
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#ifdef CONFIG_LPC17_40_GPIOIRQ
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void lpc17_40_gpioirqdisable(int irq);
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#else
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# define lpc17_40_gpioirqdisable(irq)
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#endif
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/****************************************************************************
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* Function: lpc17_40_dumpgpio
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*
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* Description:
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* Dump all GPIO registers associated with the base address of the provided
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* pinset.
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*
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****************************************************************************/
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#ifdef CONFIG_DEBUG_GPIO_INFO
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int lpc17_40_dumpgpio(lpc17_40_pinset_t pinset, const char *msg);
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#else
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# define lpc17_40_dumpgpio(p,m)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_LPC17XX_40XX_LPC17_40_GPIO_H */
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