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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* Development of the code in this file was sponsored by Microbric Pty Ltd
*
* The MIT License (MIT)
*
* Copyright (c) 2013-2015 Damien P. George
* Copyright (c) 2016 Paul Sokolovsky
*
* 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_ESP32_MACHINE_TIMER_H
#define MICROPY_INCLUDED_ESP32_MACHINE_TIMER_H
#include "hal/timer_hal.h"
#include "hal/timer_ll.h"
#include "soc/timer_periph.h"
#define TIMER_DIVIDER 8
// TIMER_BASE_CLK is normally 80MHz. TIMER_DIVIDER ought to divide this exactly
#define TIMER_SCALE (APB_CLK_FREQ / TIMER_DIVIDER)
#define TIMER_FLAGS 0
typedef struct _machine_timer_obj_t {
mp_obj_base_t base;
timer_hal_context_t hal_context;
mp_uint_t group;
mp_uint_t index;
mp_uint_t repeat;
// ESP32 timers are 64-bit
uint64_t period;
mp_obj_t callback;
intr_handle_t handle;
void (*handler)(struct _machine_timer_obj_t *timer);
struct _machine_timer_obj_t *next;
} machine_timer_obj_t;
machine_timer_obj_t *machine_timer_create(mp_uint_t timer);
void machine_timer_enable(machine_timer_obj_t *self);
void machine_timer_disable(machine_timer_obj_t *self);
#endif // MICROPY_INCLUDED_ESP32_MACHINE_TIMER_H
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