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|
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Jeff Epler 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 "py/obj.h"
#include "py/objproperty.h"
#include "py/runtime.h"
#include "shared/runtime/context_manager_helpers.h"
#include "shared-bindings/imagecapture/ParallelImageCapture.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "common-hal/imagecapture/ParallelImageCapture.h"
//| class ParallelImageCapture:
//| """Capture image frames from a camera with parallel data interface"""
//|
//| def __init__(
//| self,
//| *,
//| data_pins: List[microcontroller.Pin],
//| clock: microcontroller.Pin,
//| vsync: Optional[microcontroller.Pin],
//| href: Optional[microcontroller.Pin],
//| ) -> None:
//| """Create a parallel image capture object
//|
//| :param List[microcontroller.Pin] data_pins: The data pins.
//| :param microcontroller.Pin clock: The pixel clock input.
//| :param microcontroller.Pin vsync: The vertical sync input, which has a negative-going pulse at the beginning of each frame.
//| :param microcontroller.Pin href: The horizontal reference input, which is high whenever the camera is transmitting valid pixel information.
//| """
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
enum { ARG_data_pins, ARG_clock, ARG_vsync, ARG_href,
NUM_ARGS };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_data_pins, MP_ARG_OBJ | MP_ARG_KW_ONLY, { .u_obj = MP_ROM_NONE } },
{ MP_QSTR_clock, MP_ARG_OBJ | MP_ARG_REQUIRED | MP_ARG_KW_ONLY },
{ MP_QSTR_vsync, MP_ARG_OBJ | MP_ARG_REQUIRED | MP_ARG_KW_ONLY },
{ MP_QSTR_href, MP_ARG_OBJ | MP_ARG_REQUIRED | MP_ARG_KW_ONLY },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
MP_STATIC_ASSERT(MP_ARRAY_SIZE(allowed_args) == NUM_ARGS);
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
uint8_t pins[32];
uint8_t pin_count;
validate_pins(MP_QSTR_data, pins, MP_ARRAY_SIZE(pins), args[ARG_data_pins].u_obj, &pin_count);
const mcu_pin_obj_t *clock = validate_obj_is_free_pin(args[ARG_clock].u_obj);
const mcu_pin_obj_t *vsync = validate_obj_is_free_pin_or_none(args[ARG_vsync].u_obj);
const mcu_pin_obj_t *href = validate_obj_is_free_pin_or_none(args[ARG_href].u_obj);
imagecapture_parallelimagecapture_obj_t *self = m_new_obj(imagecapture_parallelimagecapture_obj_t);
self->base.type = &imagecapture_parallelimagecapture_type;
common_hal_imagecapture_parallelimagecapture_construct(self, pins, pin_count, clock, vsync, href);
return self;
}
//| def capture(self, buffer: WriteableBuffer) -> WriteableBuffer:
//| """Capture a single frame into the given buffer.
//|
//| This will stop a continuous-mode capture, if one is in progress."""
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture_capture(mp_obj_t self_in, mp_obj_t buffer) {
imagecapture_parallelimagecapture_obj_t *self = (imagecapture_parallelimagecapture_obj_t *)self_in;
common_hal_imagecapture_parallelimagecapture_singleshot_capture(self, buffer);
return buffer;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(imagecapture_parallelimagecapture_capture_obj, imagecapture_parallelimagecapture_capture);
//| def continuous_capture_start(self, buffer1: WriteableBuffer, buffer2: WriteableBuffer, /) -> None:
//| """Begin capturing into the given buffers in the background.
//|
//| Call `continuous_capture_get_frame` to get the next available
//| frame, and `continuous_capture_stop` to stop capturing.
//|
//| Until `continuous_capture_stop` (or `deinit`) is called, the
//| `ParallelImageCapture` object keeps references to ``buffer1`` and
//| ``buffer2``, so the objects will not be garbage collected."""
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture_continuous_capture_start(mp_obj_t self_in, mp_obj_t buffer1, mp_obj_t buffer2) {
imagecapture_parallelimagecapture_obj_t *self = (imagecapture_parallelimagecapture_obj_t *)self_in;
common_hal_imagecapture_parallelimagecapture_continuous_capture_start(self, buffer1, buffer2);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(imagecapture_parallelimagecapture_continuous_capture_start_obj, imagecapture_parallelimagecapture_continuous_capture_start);
//| def continuous_capture_get_frame(self) -> WriteableBuffer:
//| """Return the next available frame, one of the two buffers passed to `continuous_capture_start`"""
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture_continuous_capture_get_frame(mp_obj_t self_in) {
imagecapture_parallelimagecapture_obj_t *self = (imagecapture_parallelimagecapture_obj_t *)self_in;
return common_hal_imagecapture_parallelimagecapture_continuous_capture_get_frame(self);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(imagecapture_parallelimagecapture_continuous_capture_get_frame_obj, imagecapture_parallelimagecapture_continuous_capture_get_frame);
//| def continuous_capture_stop(self) -> None:
//| """Stop continuous capture.
//|
//| Calling this method also causes the object to release its
//| references to the buffers passed to `continuous_capture_start`,
//| potentially allowing the objects to be garbage collected."""
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture_continuous_capture_stop(mp_obj_t self_in) {
imagecapture_parallelimagecapture_obj_t *self = (imagecapture_parallelimagecapture_obj_t *)self_in;
common_hal_imagecapture_parallelimagecapture_continuous_capture_stop(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(imagecapture_parallelimagecapture_continuous_capture_stop_obj, imagecapture_parallelimagecapture_continuous_capture_stop);
//| def deinit(self) -> None:
//| """Deinitialize this instance"""
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture_deinit(mp_obj_t self_in) {
imagecapture_parallelimagecapture_obj_t *self = (imagecapture_parallelimagecapture_obj_t *)self_in;
common_hal_imagecapture_parallelimagecapture_deinit(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(imagecapture_parallelimagecapture_deinit_obj, imagecapture_parallelimagecapture_deinit);
//| def __enter__(self) -> ParallelImageCapture:
//| """No-op used in Context Managers."""
//| ...
//|
// Provided by context manager helper.
//| def __exit__(self) -> None:
//| """Automatically deinitializes the hardware on context exit. See
//| :ref:`lifetime-and-contextmanagers` for more info."""
//| ...
//|
STATIC mp_obj_t imagecapture_parallelimagecapture___exit__(size_t n_args, const mp_obj_t *args) {
(void)n_args;
common_hal_imagecapture_parallelimagecapture_deinit(args[0]);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(imagecapture_parallelimagecapture___exit___obj, 4, 4, imagecapture_parallelimagecapture___exit__);
STATIC const mp_rom_map_elem_t imagecapture_parallelimagecapture_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&imagecapture_parallelimagecapture_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&imagecapture_parallelimagecapture___exit___obj) },
{ MP_ROM_QSTR(MP_QSTR_capture), MP_ROM_PTR(&imagecapture_parallelimagecapture_capture_obj) },
{ MP_ROM_QSTR(MP_QSTR_continuous_capture_start), MP_ROM_PTR(&imagecapture_parallelimagecapture_continuous_capture_start_obj) },
{ MP_ROM_QSTR(MP_QSTR_continuous_capture_stop), MP_ROM_PTR(&imagecapture_parallelimagecapture_continuous_capture_stop_obj) },
{ MP_ROM_QSTR(MP_QSTR_continuous_capture_get_frame), MP_ROM_PTR(&imagecapture_parallelimagecapture_continuous_capture_get_frame_obj) },
};
STATIC MP_DEFINE_CONST_DICT(imagecapture_parallelimagecapture_locals_dict, imagecapture_parallelimagecapture_locals_dict_table);
const mp_obj_type_t imagecapture_parallelimagecapture_type = {
{ &mp_type_type },
.name = MP_QSTR_ParallelImageCapture,
.make_new = imagecapture_parallelimagecapture_make_new,
.locals_dict = (mp_obj_dict_t *)&imagecapture_parallelimagecapture_locals_dict,
};
|
