65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "common-hal/pulseio/PulseOut.h"
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#include <stdint.h>
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#include <pwm.h>
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#include "ets_alt_task.h"
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "mpconfigport.h"
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#include "shared-bindings/pulseio/PulseOut.h"
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void pulseout_set(pulseio_pulseout_obj_t *self, bool state) {
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PIN_FUNC_SELECT(self->pin->peripheral, state ? self->pin->gpio_function : 0);
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}
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void common_hal_pulseio_pulseout_construct(pulseio_pulseout_obj_t* self,
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const pulseio_pwmout_obj_t* carrier) {
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self->pin = carrier->pin;
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}
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bool common_hal_pulseio_pulseout_deinited(pulseio_pulseout_obj_t* self) {
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return self->pin == NULL;
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}
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void common_hal_pulseio_pulseout_deinit(pulseio_pulseout_obj_t* self) {
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self->pin = NULL;
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pulseout_set(self, true);
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}
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void common_hal_pulseio_pulseout_send(pulseio_pulseout_obj_t* self,
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uint16_t* pulses, uint16_t length) {
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for (uint16_t i = 0; i<length; i++) {
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pulseout_set(self, i % 2 == 0);
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ets_delay_us(pulses[i]);
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}
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pulseout_set(self, false);
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}
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