84 lines
3.3 KiB
C
84 lines
3.3 KiB
C
/*
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* This 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 (c) 2016-2021 Damien P. George
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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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* Uses pins.h & pins.c to create board (MCU package) specific 'machine_led_obj' array.
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*/
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "extmod/virtpin.h"
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#include "modmachine.h"
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#include "pins.h"
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extern mp_obj_t machine_pin_low_obj;
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extern mp_obj_t machine_pin_high_obj;
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extern mp_obj_t machine_pin_toggle_obj;
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extern mp_obj_t machine_pin_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args);
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STATIC void machine_led_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
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machine_led_obj_t *self = self_in;
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mp_printf(print, "LED(\"%s\")", self->name);
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}
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// constructor(id, ...)
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mp_obj_t mp_led_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
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// get the wanted LED object
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int wanted_led = pin_find(args[0], (const machine_pin_obj_t *)machine_led_obj, MP_ARRAY_SIZE(machine_led_obj));
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const machine_led_obj_t *self = NULL;
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if (0 <= wanted_led && wanted_led < MP_ARRAY_SIZE(machine_led_obj)) {
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self = (machine_led_obj_t *)&machine_led_obj[wanted_led];
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}
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// the array could be padded with 'nulls' (see other Ports).
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// Will also error if the asked for LED (index) is greater than the array row size.
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if (self == NULL || self->base.type == NULL) {
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mp_raise_ValueError(MP_ERROR_TEXT("invalid LED"));
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}
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mp_hal_pin_output(self->id);
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mp_hal_pin_low(self->id);
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return MP_OBJ_FROM_PTR(self);
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}
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STATIC const mp_rom_map_elem_t machine_led_locals_dict_table[] = {
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// instance methods
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{ MP_ROM_QSTR(MP_QSTR_off), MP_ROM_PTR(&machine_pin_low_obj) },
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{ MP_ROM_QSTR(MP_QSTR_on), MP_ROM_PTR(&machine_pin_high_obj) },
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{ MP_ROM_QSTR(MP_QSTR_toggle), MP_ROM_PTR(&machine_pin_toggle_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(machine_led_locals_dict, machine_led_locals_dict_table);
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MP_DEFINE_CONST_OBJ_TYPE(
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machine_led_type,
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MP_QSTR_LED,
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MP_TYPE_FLAG_NONE,
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make_new, mp_led_make_new,
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print, machine_led_print,
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call, machine_pin_call,
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locals_dict, &machine_led_locals_dict
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);
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