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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
/**
******************************************************************************
* @file p2p_stm.c
* @author MCD Application Team
* @brief Peer to Peer Service (Custom STM)
******************************************************************************
* @attention
*
* Copyright (c) 2018-2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "common_blesvc.h"
/* Private typedef -----------------------------------------------------------*/
typedef struct{
uint16_t PeerToPeerSvcHdle; /**< Service handle */
uint16_t P2PWriteClientToServerCharHdle; /**< Characteristic handle */
uint16_t P2PNotifyServerToClientCharHdle; /**< Characteristic handle */
#if(BLE_CFG_OTA_REBOOT_CHAR != 0)
uint16_t RebootReqCharHdle; /**< Characteristic handle */
#endif
}PeerToPeerContext_t;
/* Private defines -----------------------------------------------------------*/
#define UUID_128_SUPPORTED 1
#if (UUID_128_SUPPORTED == 1)
#define BM_UUID_LENGTH UUID_TYPE_128
#else
#define BM_UUID_LENGTH UUID_TYPE_16
#endif
#define BM_REQ_CHAR_SIZE (3)
/* Private macros ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/**
* Reboot Characteristic UUID
* 0000fe11-8e22-4541-9d4c-21edae82ed19
*/
#if(BLE_CFG_OTA_REBOOT_CHAR != 0)
#if (UUID_128_SUPPORTED == 1)
static const uint8_t BM_REQ_CHAR_UUID[16] = {0x19, 0xed, 0x82, 0xae,
0xed, 0x21, 0x4c, 0x9d,
0x41, 0x45, 0x22, 0x8e,
0x11, 0xFE, 0x00, 0x00};
#else
static const uint8_t BM_REQ_CHAR_UUID[2] = {0x11, 0xFE};
#endif
#endif
/**
* START of Section BLE_DRIVER_CONTEXT
*/
PLACE_IN_SECTION("BLE_DRIVER_CONTEXT") static PeerToPeerContext_t aPeerToPeerContext;
/**
* END of Section BLE_DRIVER_CONTEXT
*/
/* Private function prototypes -----------------------------------------------*/
static SVCCTL_EvtAckStatus_t PeerToPeer_Event_Handler(void *Event);
/* Functions Definition ------------------------------------------------------*/
/* Private functions ----------------------------------------------------------*/
#define COPY_UUID_128(uuid_struct, uuid_15, uuid_14, uuid_13, uuid_12, uuid_11, uuid_10, uuid_9, uuid_8, uuid_7, uuid_6, uuid_5, uuid_4, uuid_3, uuid_2, uuid_1, uuid_0) \
do {\
uuid_struct[0] = uuid_0; uuid_struct[1] = uuid_1; uuid_struct[2] = uuid_2; uuid_struct[3] = uuid_3; \
uuid_struct[4] = uuid_4; uuid_struct[5] = uuid_5; uuid_struct[6] = uuid_6; uuid_struct[7] = uuid_7; \
uuid_struct[8] = uuid_8; uuid_struct[9] = uuid_9; uuid_struct[10] = uuid_10; uuid_struct[11] = uuid_11; \
uuid_struct[12] = uuid_12; uuid_struct[13] = uuid_13; uuid_struct[14] = uuid_14; uuid_struct[15] = uuid_15; \
}while(0)
/* Hardware Characteristics Service */
/*
The following 128bits UUIDs have been generated from the random UUID
generator:
D973F2E0-B19E-11E2-9E96-0800200C9A66: Service 128bits UUID
D973F2E1-B19E-11E2-9E96-0800200C9A66: Characteristic_1 128bits UUID
D973F2E2-B19E-11E2-9E96-0800200C9A66: Characteristic_2 128bits UUID
*/
#define COPY_P2P_SERVICE_UUID(uuid_struct) COPY_UUID_128(uuid_struct,0x00,0x00,0xfe,0x40,0xcc,0x7a,0x48,0x2a,0x98,0x4a,0x7f,0x2e,0xd5,0xb3,0xe5,0x8f)
#define COPY_P2P_WRITE_CHAR_UUID(uuid_struct) COPY_UUID_128(uuid_struct,0x00,0x00,0xfe,0x41,0x8e,0x22,0x45,0x41,0x9d,0x4c,0x21,0xed,0xae,0x82,0xed,0x19)
#define COPY_P2P_NOTIFY_UUID(uuid_struct) COPY_UUID_128(uuid_struct,0x00,0x00,0xfe,0x42,0x8e,0x22,0x45,0x41,0x9d,0x4c,0x21,0xed,0xae,0x82,0xed,0x19)
/**
* @brief Event handler
* @param Event: Address of the buffer holding the Event
* @retval Ack: Return whether the Event has been managed or not
*/
static SVCCTL_EvtAckStatus_t PeerToPeer_Event_Handler(void *Event)
{
SVCCTL_EvtAckStatus_t return_value;
hci_event_pckt *event_pckt;
evt_blecore_aci *blecore_evt;
aci_gatt_attribute_modified_event_rp0 * attribute_modified;
P2PS_STM_App_Notification_evt_t Notification;
return_value = SVCCTL_EvtNotAck;
event_pckt = (hci_event_pckt *)(((hci_uart_pckt*)Event)->data);
switch(event_pckt->evt)
{
case HCI_VENDOR_SPECIFIC_DEBUG_EVT_CODE:
{
blecore_evt = (evt_blecore_aci*)event_pckt->data;
switch(blecore_evt->ecode)
{
case ACI_GATT_ATTRIBUTE_MODIFIED_VSEVT_CODE:
{
attribute_modified = (aci_gatt_attribute_modified_event_rp0*)blecore_evt->data;
if(attribute_modified->Attr_Handle == (aPeerToPeerContext.P2PNotifyServerToClientCharHdle + 2))
{
/**
* Descriptor handle
*/
return_value = SVCCTL_EvtAckFlowEnable;
/**
* Notify to application
*/
if(attribute_modified->Attr_Data[0] & COMSVC_Notification)
{
Notification.P2P_Evt_Opcode = P2PS_STM__NOTIFY_ENABLED_EVT;
P2PS_STM_App_Notification(&Notification);
}
else
{
Notification.P2P_Evt_Opcode = P2PS_STM_NOTIFY_DISABLED_EVT;
P2PS_STM_App_Notification(&Notification);
}
}
else if(attribute_modified->Attr_Handle == (aPeerToPeerContext.P2PWriteClientToServerCharHdle + 1))
{
BLE_DBG_P2P_STM_MSG("-- GATT : LED CONFIGURATION RECEIVED\n");
Notification.P2P_Evt_Opcode = P2PS_STM_WRITE_EVT;
Notification.DataTransfered.Length=attribute_modified->Attr_Data_Length;
Notification.DataTransfered.pPayload=attribute_modified->Attr_Data;
P2PS_STM_App_Notification(&Notification);
}
#if(BLE_CFG_OTA_REBOOT_CHAR != 0)
else if(attribute_modified->Attr_Handle == (aPeerToPeerContext.RebootReqCharHdle + 1))
{
BLE_DBG_P2P_STM_MSG("-- GATT : REBOOT REQUEST RECEIVED\n");
Notification.P2P_Evt_Opcode = P2PS_STM_BOOT_REQUEST_EVT;
Notification.DataTransfered.Length=attribute_modified->Attr_Data_Length;
Notification.DataTransfered.pPayload=attribute_modified->Attr_Data;
P2PS_STM_App_Notification(&Notification);
}
#endif
}
break;
default:
break;
}
}
break; /* HCI_HCI_VENDOR_SPECIFIC_DEBUG_EVT_CODE_SPECIFIC */
default:
break;
}
return(return_value);
}/* end SVCCTL_EvtAckStatus_t */
/* Public functions ----------------------------------------------------------*/
/**
* @brief Service initialization
* @param None
* @retval None
*/
void P2PS_STM_Init(void)
{
Char_UUID_t uuid16;
/**
* Register the event handler to the BLE controller
*/
SVCCTL_RegisterSvcHandler(PeerToPeer_Event_Handler);
/**
* Peer To Peer Service
*
* Max_Attribute_Records = 2*no_of_char + 1
* service_max_attribute_record = 1 for Peer To Peer service +
* 2 for P2P Write characteristic +
* 2 for P2P Notify characteristic +
* 1 for client char configuration descriptor +
*
*/
COPY_P2P_SERVICE_UUID(uuid16.Char_UUID_128);
aci_gatt_add_service(UUID_TYPE_128,
(Service_UUID_t *) &uuid16,
PRIMARY_SERVICE,
8,
&(aPeerToPeerContext.PeerToPeerSvcHdle));
/**
* Add LED Characteristic
*/
COPY_P2P_WRITE_CHAR_UUID(uuid16.Char_UUID_128);
aci_gatt_add_char(aPeerToPeerContext.PeerToPeerSvcHdle,
UUID_TYPE_128, &uuid16,
2,
CHAR_PROP_WRITE_WITHOUT_RESP|CHAR_PROP_READ,
ATTR_PERMISSION_NONE,
GATT_NOTIFY_ATTRIBUTE_WRITE, /* gattEvtMask */
10, /* encryKeySize */
1, /* isVariable */
&(aPeerToPeerContext.P2PWriteClientToServerCharHdle));
/**
* Add Button Characteristic
*/
COPY_P2P_NOTIFY_UUID(uuid16.Char_UUID_128);
aci_gatt_add_char(aPeerToPeerContext.PeerToPeerSvcHdle,
UUID_TYPE_128, &uuid16,
2,
CHAR_PROP_NOTIFY,
ATTR_PERMISSION_NONE,
GATT_NOTIFY_ATTRIBUTE_WRITE, /* gattEvtMask */
10, /* encryKeySize */
1, /* isVariable: 1 */
&(aPeerToPeerContext.P2PNotifyServerToClientCharHdle));
#if(BLE_CFG_OTA_REBOOT_CHAR != 0)
/**
* Add Boot Request Characteristic
*/
aci_gatt_add_char(aPeerToPeerContext.PeerToPeerSvcHdle,
BM_UUID_LENGTH,
(Char_UUID_t *)BM_REQ_CHAR_UUID,
BM_REQ_CHAR_SIZE,
CHAR_PROP_WRITE_WITHOUT_RESP,
ATTR_PERMISSION_NONE,
GATT_NOTIFY_ATTRIBUTE_WRITE,
10,
0,
&(aPeerToPeerContext.RebootReqCharHdle));
#endif
return;
}
/**
* @brief Characteristic update
* @param UUID: UUID of the characteristic
* @param Service_Instance: Instance of the service to which the characteristic belongs
*
*/
tBleStatus P2PS_STM_App_Update_Char(uint16_t UUID, uint8_t *pPayload)
{
tBleStatus result = BLE_STATUS_INVALID_PARAMS;
switch(UUID)
{
case P2P_NOTIFY_CHAR_UUID:
result = aci_gatt_update_char_value(aPeerToPeerContext.PeerToPeerSvcHdle,
aPeerToPeerContext.P2PNotifyServerToClientCharHdle,
0, /* charValOffset */
2, /* charValueLen */
(uint8_t *) pPayload);
break;
default:
break;
}
return result;
}/* end P2PS_STM_Init() */
|
