circuitpython/ports/raspberrypi/common-hal/pulseio/PulseOut.h

54 lines
2.0 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Dave Putz 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_COMMON_HAL_PULSEIO_PULSEOUT_H
#define MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_PULSEIO_PULSEOUT_H
#include "common-hal/microcontroller/Pin.h"
#include "common-hal/pwmio/PWMOut.h"
#include "src/common/pico_time/include/pico/time.h"
#include "py/obj.h"
#define NO_PIN 0xff
typedef struct {
mp_obj_base_t base;
uint8_t pin;
uint8_t slice;
pwmio_pwmout_obj_t *carrier;
uint16_t *pulse_buffer;
uint16_t pulse_length;
uint16_t current_duty_cycle;
uint32_t min_pulse;
volatile uint16_t pulse_index;
} pulseio_pulseout_obj_t;
void pulseout_reset(void);
int64_t pulseout_interrupt_handler(alarm_id_t id, void *user_data);
#endif // MICROPY_INCLUDED_ATMEL SAMD_COMMON_HAL_PULSEIO_PULSEOUT_H