circuitpython/ports/atmel-samd/peripherals/external_interrupts.h
2018-06-01 15:08:48 -07:00

55 lines
2.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_ATMEL_SAMD_PERIPHERALS_EXTERNAL_INTERRUPTS_H
#define MICROPY_INCLUDED_ATMEL_SAMD_PERIPHERALS_EXTERNAL_INTERRUPTS_H
#include <stdbool.h>
#include <stdint.h>
#define EIC_HANDLER_NO_INTERRUPT 0x0
#define EIC_HANDLER_PULSEIN 0x1
#define EIC_HANDLER_INCREMENTAL_ENCODER 0x2
void turn_on_external_interrupt_controller(void);
void turn_off_external_interrupt_controller(void);
void turn_on_cpu_interrupt(uint8_t eic_channel);
void turn_on_eic_channel(uint8_t eic_channel, uint32_t sense_setting,
uint8_t channel_interrupt_handler);
void configure_eic_channel(uint8_t eic_channel, uint32_t sense_setting);
void turn_off_eic_channel(uint8_t eic_channel);
bool eic_channel_free(uint8_t eic_channel);
bool eic_get_enable(void);
void eic_set_enable(bool value);
void eic_reset(void);
void* get_eic_channel_data(uint8_t eic_channel);
void set_eic_channel_data(uint8_t eic_channel, void* data);
void external_interrupt_handler(uint8_t channel);
#endif // MICROPY_INCLUDED_ATMEL_SAMD_PERIPHERALS_EXTERNAL_INTERRUPTS_H