* arch/arm/src/samd2l2/sam_eic.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_SAMD2L2_SAM_EIC_H
#define __ARCH_ARM_SRC_SAMD2L2_SAM_EIC_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include "sam_config.h"
#include "sam_port.h"
#if defined(CONFIG_ARCH_FAMILY_SAMD20) || defined(CONFIG_ARCH_FAMILY_SAMD21)
# include "hardware/samd_eic.h"
#elif defined(CONFIG_ARCH_FAMILY_SAML21)
# include "hardware/saml_eic.h"
#else
# error Unrecognized SAMD/L architecture
#endif
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
* Name: sam_eic_initialize
*
* Description:
* Initialize the EIC
*
* Input Parameters:
* gclkgen - GCLK Generator
*
* Returned Value:
* None
*
****************************************************************************/
int sam_eic_initialize(uint8_t gclkgen);
* Name: sam_eic_initialize
*
* Description:
* Enable a external interrupt.
*
* Input Parameters:
* irq - SAM_IRQ_EXTINTn IRQ to be enabled
*
* Returned Value:
* None
*
****************************************************************************/
int sam_eic_irq_enable(int irq);
* Name: sam_eic_config
*
* Description:
* Configure the interrupt edge sensitivity in CONFIGn register of the EIC
*
* Input Parameters:
* eirq - Pin to be configured
* pinset - Configuration of the pin
*
* Returned Value:
* None
*
****************************************************************************/
int sam_eic_config(uint8_t eirq, port_pinset_t pinset);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif