text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2019 Radomir Dopieralski
   *
   * 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/runtime.h"
  #include "py/mphal.h"
  #include "py/gc.h"
  #include "py/mpstate.h"
  #include "shared-bindings/digitalio/DigitalInOut.h"
  #include "shared-bindings/util.h"
  #include "PewPew.h"
  #include "common-hal/_pew/PewPew.h"
  #include "supervisor/shared/translate.h"
  
  //| class PewPew:
  //|     """This is an internal module to be used by the ``pew.py`` library from
  //|     https://github.com/pewpew-game/pew-pewpew-standalone-10.x to handle the
  //|     LED matrix display and buttons on the ``pewpew10`` board.
  //|
  //|     Usage::
  //|
  //|         This singleton class is instantiated by the ``pew`` library, and
  //|         used internally by it. All user-visible interactions are done through
  //|         that library."""
  //|
  
  //|     def __init__(self, buffer: Any, rows: Any, cols: Any, buttons: Any):
  //|         """Initializes matrix scanning routines.
  //|
  //|         The ``buffer`` is a 64 byte long ``bytearray`` that stores what should
  //|         be displayed on the matrix. ``rows`` and ``cols`` are both lists of
  //|         eight ``DigitalInputOutput`` objects that are connected to the matrix
  //|         rows and columns. ``buttons`` is a ``DigitalInputOutput`` object that
  //|         is connected to the common side of all buttons (the other sides of the
  //|         buttons are connected to rows of the matrix)."""
  //|         ...
  //|
  STATIC mp_obj_t pewpew_make_new(const mp_obj_type_t *type, size_t n_args,
          const mp_obj_t *pos_args, mp_map_t *kw_args) {
      mp_arg_check_num(n_args, kw_args, 4, 4, true);
      enum { ARG_buffer, ARG_rows, ARG_cols, ARG_buttons };
      static const mp_arg_t allowed_args[] = {
          { MP_QSTR_buffer, MP_ARG_OBJ | MP_ARG_REQUIRED },
          { MP_QSTR_rows, MP_ARG_OBJ | MP_ARG_REQUIRED },
          { MP_QSTR_cols, MP_ARG_OBJ | MP_ARG_REQUIRED },
          { MP_QSTR_buttons, MP_ARG_OBJ | MP_ARG_REQUIRED },
      };
      mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
      mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args),
                       allowed_args, args);
  
      mp_buffer_info_t bufinfo;
      mp_get_buffer_raise(args[ARG_buffer].u_obj, &bufinfo, MP_BUFFER_READ);
  
      size_t rows_size = 0;
      mp_obj_t *rows;
      mp_obj_get_array(args[ARG_rows].u_obj, &rows_size, &rows);
  
      size_t cols_size = 0;
      mp_obj_t *cols;
      mp_obj_get_array(args[ARG_cols].u_obj, &cols_size, &cols);
  
      if (bufinfo.len != rows_size * cols_size) {
          mp_raise_ValueError(translate("Incorrect buffer size"));
      }
  
      for (size_t i = 0; i < rows_size; ++i) {
          if (!MP_OBJ_IS_TYPE(rows[i], &digitalio_digitalinout_type)) {
              mp_raise_TypeError(translate("Row entry must be digitalio.DigitalInOut"));
          }
          digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(rows[i]);
          if (common_hal_digitalio_digitalinout_deinited(pin)) {
              raise_deinited_error();
          }
      }
  
      for (size_t i = 0; i < cols_size; ++i) {
          if (!MP_OBJ_IS_TYPE(cols[i], &digitalio_digitalinout_type)) {
              mp_raise_TypeError(translate("Column entry must be digitalio.DigitalInOut"));
          }
          digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(cols[i]);
          if (common_hal_digitalio_digitalinout_deinited(pin)) {
              raise_deinited_error();
          }
      }
  
      if (!MP_OBJ_IS_TYPE(args[ARG_buttons].u_obj,
                          &digitalio_digitalinout_type)) {
          mp_raise_TypeError(translate("buttons must be digitalio.DigitalInOut"));
      }
      digitalio_digitalinout_obj_t *buttons = MP_OBJ_TO_PTR(
              args[ARG_buttons].u_obj);
      if (common_hal_digitalio_digitalinout_deinited(buttons)) {
          raise_deinited_error();
      }
  
      pew_obj_t *pew = MP_STATE_VM(pew_singleton);
      if (!pew) {
          pew = m_new_obj(pew_obj_t);
          pew->base.type = &pewpew_type;
          pew = gc_make_long_lived(pew);
          MP_STATE_VM(pew_singleton) = pew;
      }
  
      pew->buffer = bufinfo.buf;
      pew->rows = rows;
      pew->rows_size = rows_size;
      pew->cols = cols;
      pew->cols_size = cols_size;
      pew->buttons = buttons;
      pew->pressed = 0;
      pew_init();
  
      return MP_OBJ_FROM_PTR(pew);
  }
  
  
  STATIC const mp_rom_map_elem_t pewpew_locals_dict_table[] = {
  };
  STATIC MP_DEFINE_CONST_DICT(pewpew_locals_dict, pewpew_locals_dict_table);
  const mp_obj_type_t pewpew_type = {
      { &mp_type_type },
      .name = MP_QSTR_PewPew,
      .make_new = pewpew_make_new,
      .locals_dict = (mp_obj_dict_t*)&pewpew_locals_dict,
  };
  