2fbab8067a
We now track the last time the background task ran and bail on the PulseIn if it starves the background work. In practice, this happens after the numbers from pulsein are no longer accurate. This also adjusts interrupt priorities so most are the lowest level except for the tick and USB interrupts. Fixes #516 and #876
49 lines
2.5 KiB
C
49 lines
2.5 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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#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_PULSEIO_PULSEIN_H
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#define MICROPY_INCLUDED_SHARED_BINDINGS_PULSEIO_PULSEIN_H
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#include "common-hal/microcontroller/Pin.h"
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#include "common-hal/pulseio/PulseIn.h"
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extern const mp_obj_type_t pulseio_pulsein_type;
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extern void common_hal_pulseio_pulsein_construct(pulseio_pulsein_obj_t* self,
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const mcu_pin_obj_t* pin, uint16_t maxlen, bool idle_state);
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extern void common_hal_pulseio_pulsein_deinit(pulseio_pulsein_obj_t* self);
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extern bool common_hal_pulseio_pulsein_deinited(pulseio_pulsein_obj_t* self);
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extern void common_hal_pulseio_pulsein_pause(pulseio_pulsein_obj_t* self);
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extern void common_hal_pulseio_pulsein_resume(pulseio_pulsein_obj_t* self, uint16_t trigger_duration);
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extern void common_hal_pulseio_pulsein_clear(pulseio_pulsein_obj_t* self);
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extern uint16_t common_hal_pulseio_pulsein_popleft(pulseio_pulsein_obj_t* self);
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extern uint16_t common_hal_pulseio_pulsein_get_maxlen(pulseio_pulsein_obj_t* self);
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extern bool common_hal_pulseio_pulsein_get_paused(pulseio_pulsein_obj_t* self);
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extern uint16_t common_hal_pulseio_pulsein_get_len(pulseio_pulsein_obj_t* self);
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extern uint16_t common_hal_pulseio_pulsein_get_item(pulseio_pulsein_obj_t* self, int16_t index);
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#endif // MICROPY_INCLUDED_SHARED_BINDINGS_PULSEIO_PULSEIN_H
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