aa2d746ef4
By reducing the methods to on(), off(), toggle() and call, and using the method implementation of the machine.Pin class. The code size reduction is 756 byte.
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(%u)", self->id);
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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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