circuitpython/lib/utils/mpirq.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Daniel Campora
*
* 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_LIB_UTILS_MPIRQ_H
#define MICROPY_INCLUDED_LIB_UTILS_MPIRQ_H
#include "py/runtime.h"
/******************************************************************************
DEFINE CONSTANTS
******************************************************************************/
enum {
MP_IRQ_ARG_INIT_handler = 0,
MP_IRQ_ARG_INIT_trigger,
MP_IRQ_ARG_INIT_hard,
MP_IRQ_ARG_INIT_NUM_ARGS,
};
/******************************************************************************
DEFINE TYPES
******************************************************************************/
typedef mp_uint_t (*mp_irq_trigger_fun_t)(mp_obj_t self, mp_uint_t trigger);
typedef mp_uint_t (*mp_irq_info_fun_t)(mp_obj_t self, mp_uint_t info_type);
enum {
MP_IRQ_INFO_FLAGS,
MP_IRQ_INFO_TRIGGERS,
};
typedef struct _mp_irq_methods_t {
mp_irq_trigger_fun_t trigger;
mp_irq_info_fun_t info;
} mp_irq_methods_t;
typedef struct _mp_irq_obj_t {
mp_obj_base_t base;
mp_irq_methods_t *methods;
mp_obj_t parent;
mp_obj_t handler;
bool ishard;
} mp_irq_obj_t;
/******************************************************************************
DECLARE EXPORTED DATA
******************************************************************************/
extern const mp_arg_t mp_irq_init_args[];
extern const mp_obj_type_t mp_irq_type;
/******************************************************************************
DECLARE PUBLIC FUNCTIONS
******************************************************************************/
mp_irq_obj_t *mp_irq_new(const mp_irq_methods_t *methods, mp_obj_t parent);
void mp_irq_init(mp_irq_obj_t *self, const mp_irq_methods_t *methods, mp_obj_t parent);
void mp_irq_handler(mp_irq_obj_t *self);
#endif // MICROPY_INCLUDED_LIB_UTILS_MPIRQ_H