1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Dan Halbert for Adafruit Industries
* 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/runtime.h"
#include "shared-bindings/_bleio/__init__.h"
#include "shared-bindings/_bleio/Characteristic.h"
#include "shared-bindings/_bleio/Descriptor.h"
#include "shared-bindings/_bleio/Service.h"
#include "shared-bindings/_bleio/Adapter.h"
uint32_t _common_hal_bleio_service_construct(bleio_service_obj_t *self, bleio_uuid_obj_t *uuid, bool is_secondary, mp_obj_list_t *characteristic_list) {
self->uuid = uuid;
self->characteristic_list = characteristic_list;
self->is_remote = false;
self->connection = NULL;
self->is_secondary = is_secondary;
vm_used_ble = true;
self->handle = bleio_adapter_add_attribute(&common_hal_bleio_adapter_obj, MP_OBJ_TO_PTR(self));
self->start_handle = self->handle;
self->end_handle = self->handle;
if (self->handle == BLE_GATT_HANDLE_INVALID) {
return 1;
}
return 0;
}
void common_hal_bleio_service_construct(bleio_service_obj_t *self, bleio_uuid_obj_t *uuid, bool is_secondary) {
if (_common_hal_bleio_service_construct(self, uuid, is_secondary,
mp_obj_new_list(0, NULL)) != 0) {
mp_raise_RuntimeError(translate("Failed to add service"));
}
}
void bleio_service_from_connection(bleio_service_obj_t *self, mp_obj_t connection) {
self->handle = 0xFFFF;
self->uuid = NULL;
self->characteristic_list = mp_obj_new_list(0, NULL);
self->is_remote = true;
self->is_secondary = false;
self->connection = connection;
}
bleio_uuid_obj_t *common_hal_bleio_service_get_uuid(bleio_service_obj_t *self) {
return self->uuid;
}
mp_obj_tuple_t *common_hal_bleio_service_get_characteristics(bleio_service_obj_t *self) {
return mp_obj_new_tuple(self->characteristic_list->len, self->characteristic_list->items);
}
bool common_hal_bleio_service_get_is_remote(bleio_service_obj_t *self) {
return self->is_remote;
}
bool common_hal_bleio_service_get_is_secondary(bleio_service_obj_t *self) {
return self->is_secondary;
}
void common_hal_bleio_service_add_characteristic(bleio_service_obj_t *self,
bleio_characteristic_obj_t *characteristic,
mp_buffer_info_t *initial_value_bufinfo,
const char *user_description) {
if (self->handle != common_hal_bleio_adapter_obj.last_added_service_handle) {
mp_raise_bleio_BluetoothError(
translate("Characteristic can only be added to most recently added service"));
}
characteristic->decl_handle = bleio_adapter_add_attribute(
&common_hal_bleio_adapter_obj, MP_OBJ_TO_PTR(characteristic));
// This is the value handle.
characteristic->handle = bleio_adapter_add_attribute(
&common_hal_bleio_adapter_obj, MP_OBJ_TO_PTR(characteristic));
self->end_handle = characteristic->handle;
if (characteristic->props & (CHAR_PROP_NOTIFY | CHAR_PROP_INDICATE)) {
// We need a CCCD if this characteristic is doing notify or indicate.
bleio_descriptor_obj_t *cccd = m_new_obj(bleio_descriptor_obj_t);
cccd->base.type = &bleio_descriptor_type;
uint16_t zero = 0;
mp_buffer_info_t zero_cccd_value = {
.buf = &zero,
.len = sizeof(zero),
};
common_hal_bleio_descriptor_construct(
cccd,
characteristic,
&cccd_uuid, // 0x2902
SECURITY_MODE_OPEN, // CCCD read perm
characteristic->read_perm, // Make CCCD write perm match characteristic read perm.
2, // 2 bytes
true, // fixed length
&zero_cccd_value // Initial value is 0.
);
// Adds CCCD to attribute table, and also extends self->end_handle to include the CCCD.
common_hal_bleio_characteristic_add_descriptor(characteristic, cccd);
characteristic->cccd = cccd;
}
mp_obj_list_append(self->characteristic_list, MP_OBJ_FROM_PTR(characteristic));
}
|
