187 lines
6.6 KiB
C
187 lines
6.6 KiB
C
/*
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* This file is part of the Micro Python 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) 2017 Glenn Ruben Bakke
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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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#include "py/obj.h"
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#include "py/runtime.h"
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#include "py/objlist.h"
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#if MICROPY_PY_UBLUEPY_PERIPHERAL || MICROPY_PY_UBLUEPY_CENTRAL
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#include "modubluepy.h"
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#include "ble_drv.h"
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STATIC void ubluepy_service_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
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ubluepy_service_obj_t * self = (ubluepy_service_obj_t *)o;
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mp_printf(print, "Service(handle: 0x" HEX2_FMT ")", self->handle);
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}
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STATIC mp_obj_t ubluepy_service_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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enum { ARG_NEW_UUID, ARG_NEW_TYPE };
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static const mp_arg_t allowed_args[] = {
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{ ARG_NEW_UUID, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_TYPE, MP_ARG_INT, {.u_int = UBLUEPY_SERVICE_PRIMARY} },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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ubluepy_service_obj_t *s = m_new_obj(ubluepy_service_obj_t);
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s->base.type = type;
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mp_obj_t uuid_obj = args[ARG_NEW_UUID].u_obj;
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if (uuid_obj == MP_OBJ_NULL) {
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return MP_OBJ_FROM_PTR(s);
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}
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if (MP_OBJ_IS_TYPE(uuid_obj, &ubluepy_uuid_type)) {
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s->p_uuid = MP_OBJ_TO_PTR(uuid_obj);
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uint8_t type = args[ARG_NEW_TYPE].u_int;
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if (type > 0 && type <= UBLUEPY_SERVICE_PRIMARY) {
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s->type = type;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Invalid Service type"));
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}
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(void)ble_drv_service_add(s);
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Invalid UUID parameter"));
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}
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// clear reference to peripheral
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s->p_periph = NULL;
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s->char_list = mp_obj_new_list(0, NULL);
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return MP_OBJ_FROM_PTR(s);
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}
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/// \method addCharacteristic(Characteristic)
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/// Add Characteristic to the Service.
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///
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STATIC mp_obj_t service_add_characteristic(mp_obj_t self_in, mp_obj_t characteristic) {
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ubluepy_service_obj_t * self = MP_OBJ_TO_PTR(self_in);
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ubluepy_characteristic_obj_t * p_char = MP_OBJ_TO_PTR(characteristic);
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p_char->service_handle = self->handle;
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bool retval = ble_drv_characteristic_add(p_char);
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if (retval) {
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p_char->p_service = self;
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}
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mp_obj_list_append(self->char_list, characteristic);
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// return mp_obj_new_bool(retval);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(ubluepy_service_add_char_obj, service_add_characteristic);
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/// \method getCharacteristics()
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/// Return list with all characteristics registered in the Service.
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///
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STATIC mp_obj_t service_get_chars(mp_obj_t self_in) {
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ubluepy_service_obj_t * self = MP_OBJ_TO_PTR(self_in);
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return self->char_list;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(ubluepy_service_get_chars_obj, service_get_chars);
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/// \method getCharacteristic(UUID)
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/// Return Characteristic with the given UUID.
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///
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STATIC mp_obj_t service_get_characteristic(mp_obj_t self_in, mp_obj_t uuid) {
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ubluepy_service_obj_t * self = MP_OBJ_TO_PTR(self_in);
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ubluepy_uuid_obj_t * p_uuid = MP_OBJ_TO_PTR(uuid);
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// validate that there is an UUID object passed in as parameter
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if (!(MP_OBJ_IS_TYPE(uuid, &ubluepy_uuid_type))) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Invalid UUID parameter"));
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}
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mp_obj_t * chars = NULL;
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mp_uint_t num_chars = 0;
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mp_obj_get_array(self->char_list, &num_chars, &chars);
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for (uint8_t i = 0; i < num_chars; i++) {
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ubluepy_characteristic_obj_t * p_char = (ubluepy_characteristic_obj_t *)chars[i];
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bool type_match = p_char->p_uuid->type == p_uuid->type;
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bool uuid_match = ((uint16_t)(*(uint16_t *)&p_char->p_uuid->value[0]) ==
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(uint16_t)(*(uint16_t *)&p_uuid->value[0]));
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if (type_match && uuid_match) {
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return MP_OBJ_FROM_PTR(p_char);
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}
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(ubluepy_service_get_char_obj, service_get_characteristic);
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/// \method uuid()
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/// Get UUID instance of the Service.
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///
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STATIC mp_obj_t service_uuid(mp_obj_t self_in) {
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ubluepy_service_obj_t * self = MP_OBJ_TO_PTR(self_in);
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return MP_OBJ_FROM_PTR(self->p_uuid);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(ubluepy_service_get_uuid_obj, service_uuid);
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STATIC const mp_rom_map_elem_t ubluepy_service_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_getCharacteristic), MP_ROM_PTR(&ubluepy_service_get_char_obj) },
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{ MP_ROM_QSTR(MP_QSTR_addCharacteristic), MP_ROM_PTR(&ubluepy_service_add_char_obj) },
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{ MP_ROM_QSTR(MP_QSTR_getCharacteristics), MP_ROM_PTR(&ubluepy_service_get_chars_obj) },
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#if 0
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// Properties
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{ MP_ROM_QSTR(MP_QSTR_peripheral), MP_ROM_PTR(&ubluepy_service_get_peripheral_obj) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_uuid), MP_ROM_PTR(&ubluepy_service_get_uuid_obj) },
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{ MP_ROM_QSTR(MP_QSTR_PRIMARY), MP_ROM_INT(UBLUEPY_SERVICE_PRIMARY) },
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{ MP_ROM_QSTR(MP_QSTR_SECONDARY), MP_ROM_INT(UBLUEPY_SERVICE_SECONDARY) },
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};
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STATIC MP_DEFINE_CONST_DICT(ubluepy_service_locals_dict, ubluepy_service_locals_dict_table);
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const mp_obj_type_t ubluepy_service_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Service,
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.print = ubluepy_service_print,
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.make_new = ubluepy_service_make_new,
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.locals_dict = (mp_obj_dict_t*)&ubluepy_service_locals_dict
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};
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#endif // MICROPY_PY_UBLUEPY_PERIPHERAL || MICROPY_PY_UBLUEPY_CENTRAL
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