133 lines
4.9 KiB
C
133 lines
4.9 KiB
C
/*
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* This file is part of the MicroPython 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 2020 Sony Semiconductor Solutions Corporation
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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 "py/objproperty.h"
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#include "py/runtime.h"
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#include "shared-bindings/camera/Camera.h"
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#include "shared-bindings/util.h"
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//| class Camera:
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//| """The class to control camera.
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//|
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//| Usage::
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//|
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//| import board
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//| import sdioio
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//| import storage
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//| import camera
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//|
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//| sd = sdioio.SDCard(
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//| clock=board.SDIO_CLOCK,
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//| command=board.SDIO_COMMAND,
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//| data=board.SDIO_DATA,
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//| frequency=25000000)
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//| vfs = storage.VfsFat(sd)
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//| storage.mount(vfs, '/sd')
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//|
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//| cam = camera.Camera()
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//|
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//| buffer = bytearray(512 * 1024)
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//| file = open("/sd/image.jpg","wb")
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//| size = cam.take_picture(buffer, width=1920, height=1080, format=camera.ImageFormat.JPG)
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//| file.write(buffer, size)
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//| file.close()"""
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//|
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//| def __init__(self) -> None:
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//| """Initialize camera."""
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//| ...
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//|
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STATIC mp_obj_t camera_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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camera_obj_t *self = m_new_obj(camera_obj_t);
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self->base.type = &camera_type;
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// No arguments
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mp_arg_check_num(n_args, kw_args, 0, 0, false);
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common_hal_camera_construct(self);
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return MP_OBJ_FROM_PTR(self);
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}
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//| def deinit(self) -> None:
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//| """De-initialize camera."""
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//| ...
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//|
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STATIC mp_obj_t camera_obj_deinit(mp_obj_t self_in) {
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camera_obj_t *self = MP_OBJ_TO_PTR(self_in);
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common_hal_camera_deinit(self);
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(camera_deinit_obj, camera_obj_deinit);
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STATIC void check_for_deinit(camera_obj_t *self) {
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if (common_hal_camera_deinited(self)) {
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raise_deinited_error();
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}
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}
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//| def take_picture(self, buf: WriteableBuffer, format: ImageFormat) -> int:
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//| """Take picture and save to ``buf`` in the given ``format``. The size of the picture
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//| taken is ``width`` by ``height`` in pixels.
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//|
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//| :return: the number of bytes written into buf
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//| :rtype: int"""
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//| ...
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//|
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STATIC mp_obj_t camera_obj_take_picture(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_buffer, ARG_width, ARG_height, ARG_format };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_width, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_height, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_format, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ },
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};
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camera_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
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check_for_deinit(self);
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(args[ARG_buffer].u_obj, &bufinfo, MP_BUFFER_WRITE);
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camera_imageformat_t format = camera_imageformat_obj_to_type(args[ARG_format].u_obj);
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return MP_OBJ_NEW_SMALL_INT(common_hal_camera_take_picture(self, (uint8_t *)bufinfo.buf, bufinfo.len, args[ARG_width].u_int, args[ARG_height].u_int, format));
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(camera_take_picture_obj, 2, camera_obj_take_picture);
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STATIC const mp_rom_map_elem_t camera_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&camera_deinit_obj) },
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{ MP_ROM_QSTR(MP_QSTR_take_picture), MP_ROM_PTR(&camera_take_picture_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(camera_locals_dict, camera_locals_dict_table);
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const mp_obj_type_t camera_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Camera,
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.make_new = camera_make_new,
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.locals_dict = (mp_obj_dict_t*)&camera_locals_dict,
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};
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