/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2017 Glenn Ruben Bakke * Copyright (c) 2018 Artur Pacholec * * 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/objproperty.h" #include "py/runtime.h" #include "shared-bindings/bleio/Characteristic.h" #include "shared-bindings/bleio/UUID.h" //| .. currentmodule:: bleio //| //| :class:`Characteristic` -- BLE service characteristic //| ========================================================= //| //| Stores information about a BLE service characteristic and allows to read //| and write the characteristic's value. //| //| .. class:: Characteristic(uuid) //| //| Create a new Characteristic object identified by the specified UUID. //| //| :param bleio.UUID uuid: The uuid of the characteristic //| //| .. attribute:: broadcast //| //| A `bool` specifying if the characteristic allows broadcasting its value. //| //| .. attribute:: indicate //| //| A `bool` specifying if the characteristic allows indicating its value. //| //| .. attribute:: notify //| //| A `bool` specifying if the characteristic allows notifying its value. //| //| .. attribute:: read //| //| A `bool` specifying if the characteristic allows reading its value. //| //| .. attribute:: uuid //| //| The UUID of this characteristic. (read-only) //| //| .. attribute:: value //| //| The value of this characteristic. The value can be written to if the `write` property allows it. //| If the `read` property allows it, the value can be read. If the `notify` property is set, writting //| to the value will generate a BLE notification. //| //| .. attribute:: write //| //| A `bool` specifying if the characteristic allows writing to its value. //| //| .. attribute:: write_no_resp //| //| A `bool` specifying if the characteristic allows writing to its value without response. //| STATIC void bleio_characteristic_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); mp_printf(print, "Characteristic("); bleio_uuid_print(print, self->uuid, kind); mp_printf(print, ")"); } STATIC mp_obj_t bleio_characteristic_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *pos_args) { mp_arg_check_num(n_args, n_kw, 1, 1, true); bleio_characteristic_obj_t *self = m_new_obj(bleio_characteristic_obj_t); self->base.type = &bleio_characteristic_type; self->service = NULL; self->value_data = NULL; mp_map_t kw_args; mp_map_init_fixed_table(&kw_args, n_kw, pos_args + n_args); enum { ARG_uuid }; static const mp_arg_t allowed_args[] = { { MP_QSTR_uuid, MP_ARG_REQUIRED| MP_ARG_OBJ, {.u_obj = mp_const_none} }, }; 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); const mp_obj_t uuid = args[ARG_uuid].u_obj; if (!MP_OBJ_IS_TYPE(uuid, &bleio_uuid_type)) { mp_raise_ValueError(translate("Expected a UUID")); } self->uuid = MP_OBJ_TO_PTR(uuid); common_hal_bleio_characteristic_construct(self); return MP_OBJ_FROM_PTR(self); } STATIC mp_obj_t bleio_characteristic_get_broadcast(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return mp_obj_new_bool(self->props.broadcast); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_broadcast_obj, bleio_characteristic_get_broadcast); STATIC mp_obj_t bleio_characteristic_set_broadcast(mp_obj_t self_in, mp_obj_t broadcast_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); self->props.broadcast = mp_obj_is_true(broadcast_in); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_broadcast_obj, bleio_characteristic_set_broadcast); const mp_obj_property_t bleio_characteristic_broadcast_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_broadcast_obj, (mp_obj_t)&bleio_characteristic_set_broadcast_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_indicate(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return mp_obj_new_bool(self->props.indicate); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_indicate_obj, bleio_characteristic_get_indicate); STATIC mp_obj_t bleio_characteristic_set_indicate(mp_obj_t self_in, mp_obj_t indicate_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); self->props.indicate = mp_obj_is_true(indicate_in); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_indicate_obj, bleio_characteristic_set_indicate); const mp_obj_property_t bleio_characteristic_indicate_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_indicate_obj, (mp_obj_t)&bleio_characteristic_set_indicate_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_notify(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return mp_obj_new_bool(self->props.notify); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_notify_obj, bleio_characteristic_get_notify); STATIC mp_obj_t bleio_characteristic_set_notify(mp_obj_t self_in, mp_obj_t notify_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); self->props.notify = mp_obj_is_true(notify_in); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_notify_obj, bleio_characteristic_set_notify); const mp_obj_property_t bleio_characteristic_notify_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_notify_obj, (mp_obj_t)&bleio_characteristic_set_notify_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_read(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return mp_obj_new_bool(self->props.read); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_read_obj, bleio_characteristic_get_read); STATIC mp_obj_t bleio_characteristic_set_read(mp_obj_t self_in, mp_obj_t read_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); self->props.read = mp_obj_is_true(read_in); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_read_obj, bleio_characteristic_set_read); const mp_obj_property_t bleio_characteristic_read_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_read_obj, (mp_obj_t)&bleio_characteristic_set_read_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_write(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return mp_obj_new_bool(self->props.write); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_write_obj, bleio_characteristic_get_write); STATIC mp_obj_t bleio_characteristic_set_write(mp_obj_t self_in, mp_obj_t write_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); self->props.write = mp_obj_is_true(write_in); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_write_obj, bleio_characteristic_set_write); const mp_obj_property_t bleio_characteristic_write_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_write_obj, (mp_obj_t)&bleio_characteristic_set_write_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_write_wo_resp(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return mp_obj_new_bool(self->props.write_wo_resp); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_write_wo_resp_obj, bleio_characteristic_get_write_wo_resp); STATIC mp_obj_t bleio_characteristic_set_write_wo_resp(mp_obj_t self_in, mp_obj_t write_wo_resp_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); self->props.write_wo_resp = mp_obj_is_true(write_wo_resp_in); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_write_wo_resp_obj, bleio_characteristic_set_write_wo_resp); const mp_obj_property_t bleio_characteristic_write_wo_resp_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_write_wo_resp_obj, (mp_obj_t)&bleio_characteristic_set_write_wo_resp_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_uuid(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); return MP_OBJ_FROM_PTR(self->uuid); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_uuid_obj, bleio_characteristic_get_uuid); const mp_obj_property_t bleio_characteristic_uuid_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_uuid_obj, (mp_obj_t)&mp_const_none_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC mp_obj_t bleio_characteristic_get_value(mp_obj_t self_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); common_hal_bleio_characteristic_read_value(self); return self->value_data; } STATIC MP_DEFINE_CONST_FUN_OBJ_1(bleio_characteristic_get_value_obj, bleio_characteristic_get_value); STATIC mp_obj_t bleio_characteristic_set_value(mp_obj_t self_in, mp_obj_t value_in) { bleio_characteristic_obj_t *self = MP_OBJ_TO_PTR(self_in); mp_buffer_info_t bufinfo; mp_get_buffer_raise(value_in, &bufinfo, MP_BUFFER_READ); common_hal_bleio_characteristic_write_value(self, &bufinfo); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_2(bleio_characteristic_set_value_obj, bleio_characteristic_set_value); const mp_obj_property_t bleio_characteristic_value_obj = { .base.type = &mp_type_property, .proxy = { (mp_obj_t)&bleio_characteristic_get_value_obj, (mp_obj_t)&bleio_characteristic_set_value_obj, (mp_obj_t)&mp_const_none_obj }, }; STATIC const mp_rom_map_elem_t bleio_characteristic_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_broadcast), MP_ROM_PTR(&bleio_characteristic_broadcast_obj) }, { MP_ROM_QSTR(MP_QSTR_indicate), MP_ROM_PTR(&bleio_characteristic_indicate_obj) }, { MP_ROM_QSTR(MP_QSTR_notify), MP_ROM_PTR(&bleio_characteristic_notify_obj) }, { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&bleio_characteristic_read_obj) }, { MP_ROM_QSTR(MP_QSTR_uuid), MP_ROM_PTR(&bleio_characteristic_uuid_obj) }, { MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&bleio_characteristic_value_obj) }, { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&bleio_characteristic_write_obj) }, { MP_ROM_QSTR(MP_QSTR_write_wo_resp), MP_ROM_PTR(&bleio_characteristic_write_wo_resp_obj) }, }; STATIC MP_DEFINE_CONST_DICT(bleio_characteristic_locals_dict, bleio_characteristic_locals_dict_table); const mp_obj_type_t bleio_characteristic_type = { { &mp_type_type }, .name = MP_QSTR_Characteristic, .print = bleio_characteristic_print, .make_new = bleio_characteristic_make_new, .locals_dict = (mp_obj_dict_t*)&bleio_characteristic_locals_dict };