circuitpython/esp8266/common-hal/nativeio/PulseIn.c
Scott Shawcroft 7cb54864aa Add PulseIn support which can be used to measure a series of pulse widths.
This is useful for infrared input and DHT sensors.
2017-03-24 10:30:15 +00:00

70 lines
2.3 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft 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.
*/
#include <stdint.h>
#include "mpconfigport.h"
#include "py/gc.h"
#include "py/runtime.h"
#include "shared-bindings/microcontroller/__init__.h"
#include "shared-bindings/nativeio/PulseIn.h"
void common_hal_nativeio_pulsein_construct(nativeio_pulsein_obj_t* self,
const mcu_pin_obj_t* pin, uint16_t maxlen, bool idle_state) {
mp_raise_NotImplementedError("");
}
void common_hal_nativeio_pulsein_deinit(nativeio_pulsein_obj_t* self) {
}
void common_hal_nativeio_pulsein_pause(nativeio_pulsein_obj_t* self) {
}
void common_hal_nativeio_pulsein_resume(nativeio_pulsein_obj_t* self,
uint16_t trigger_duration) {
}
void common_hal_nativeio_pulsein_clear(nativeio_pulsein_obj_t* self) {
}
uint16_t common_hal_nativeio_pulsein_popleft(nativeio_pulsein_obj_t* self) {
return 0;
}
uint16_t common_hal_nativeio_pulsein_get_maxlen(nativeio_pulsein_obj_t* self) {
return 0;
}
uint16_t common_hal_nativeio_pulsein_get_len(nativeio_pulsein_obj_t* self) {
return 0;
}
uint16_t common_hal_nativeio_pulsein_get_item(nativeio_pulsein_obj_t* self,
int16_t index) {
return 0;
}