pin_named_pins.c 2.8 KB

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  1. /*
  2. * This file is part of the MicroPython project, http://micropython.org/
  3. *
  4. * The MIT License (MIT)
  5. *
  6. * Copyright (c) 2013, 2014 Damien P. George
  7. *
  8. * Permission is hereby granted, free of charge, to any person obtaining a copy
  9. * of this software and associated documentation files (the "Software"), to deal
  10. * in the Software without restriction, including without limitation the rights
  11. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12. * copies of the Software, and to permit persons to whom the Software is
  13. * furnished to do so, subject to the following conditions:
  14. *
  15. * The above copyright notice and this permission notice shall be included in
  16. * all copies or substantial portions of the Software.
  17. *
  18. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24. * THE SOFTWARE.
  25. */
  26. #include <stdio.h>
  27. #include <string.h>
  28. #include "py/runtime.h"
  29. #include "py/mphal.h"
  30. #include "pin.h"
  31. const mp_obj_type_t pin_cpu_pins_obj_type = {
  32. { &mp_type_type },
  33. .name = MP_QSTR_cpu,
  34. .locals_dict = (mp_obj_dict_t*)&pin_cpu_pins_locals_dict,
  35. };
  36. const mp_obj_type_t pin_board_pins_obj_type = {
  37. { &mp_type_type },
  38. .name = MP_QSTR_board,
  39. .locals_dict = (mp_obj_dict_t*)&pin_board_pins_locals_dict,
  40. };
  41. const pin_obj_t *pin_find_named_pin(const mp_obj_dict_t *named_pins, mp_obj_t name) {
  42. const mp_map_t *named_map = &named_pins->map;
  43. mp_map_elem_t *named_elem = mp_map_lookup((mp_map_t*)named_map, name, MP_MAP_LOOKUP);
  44. if (named_elem != NULL && named_elem->value != MP_OBJ_NULL) {
  45. return MP_OBJ_TO_PTR(named_elem->value);
  46. }
  47. return NULL;
  48. }
  49. const pin_af_obj_t *pin_find_af(const pin_obj_t *pin, uint8_t fn, uint8_t unit) {
  50. const pin_af_obj_t *af = pin->af;
  51. for (mp_uint_t i = 0; i < pin->num_af; i++, af++) {
  52. if (af->fn == fn && af->unit == unit) {
  53. return af;
  54. }
  55. }
  56. return NULL;
  57. }
  58. const pin_af_obj_t *pin_find_af_by_index(const pin_obj_t *pin, mp_uint_t af_idx) {
  59. const pin_af_obj_t *af = pin->af;
  60. for (mp_uint_t i = 0; i < pin->num_af; i++, af++) {
  61. if (af->idx == af_idx) {
  62. return af;
  63. }
  64. }
  65. return NULL;
  66. }
  67. /* unused
  68. const pin_af_obj_t *pin_find_af_by_name(const pin_obj_t *pin, const char *name) {
  69. const pin_af_obj_t *af = pin->af;
  70. for (mp_uint_t i = 0; i < pin->num_af; i++, af++) {
  71. if (strcmp(name, qstr_str(af->name)) == 0) {
  72. return af;
  73. }
  74. }
  75. return NULL;
  76. }
  77. */