-
Notifications
You must be signed in to change notification settings - Fork 0
/
ble_lbe.c
274 lines (213 loc) · 8.49 KB
/
ble_lbe.c
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
/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
/* Attention!
* To maintain compliance with Nordic Semiconductor ASA’s Bluetooth profile
* qualification listings, this section of source code must not be modified.
*/
#include "ble_lbe.h"
#include <string.h>
#include "nordic_common.h"
#include "ble_srv_common.h"
#include "app_util.h"
#include "ble_l2cap.h"
#include "max_44009.h"
static lbe_char_notifications_t m_lbe_char_notifications ;//= {BLE_LBE_EVT_NOTIFICATION_DISABLED,BLE_LBE_EVT_NOTIFICATION_DISABLED,BLE_LBE_EVT_NOTIFICATION_DISABLED,BLE_LBE_EVT_NOTIFICATION_DISABLED};
/**@brief Function for handling the Connect event.
*
* @param[in] p_lbe Battery Service structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_connect(ble_lbe_t * p_lbe, ble_evt_t * p_ble_evt)
{
p_lbe->conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
}
/**@brief Function for handling the Disconnect event.
*
* @param[in] p_lbe Battery Service structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_disconnect(ble_lbe_t * p_lbe, ble_evt_t * p_ble_evt)
{
UNUSED_PARAMETER(p_ble_evt);
p_lbe->conn_handle = BLE_CONN_HANDLE_INVALID;
}
/**@brief Function for handling the Write event.
*
* @param[in] p_lbe Battery Service structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_write(ble_lbe_t * p_lbe, ble_evt_t * p_ble_evt)
{
ble_gatts_evt_write_t * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
if (p_lbe->is_notification_supported)
{
//ble_gatts_evt_write_t * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
if (
(p_evt_write->handle == p_lbe->LUX_1_handles.cccd_handle)
&&
(p_evt_write->len == 2))
{
// CCCD written, set flags
if (ble_srv_is_notification_enabled(p_evt_write->data))
{
m_lbe_char_notifications.lux_1_notification_st = BLE_LBE_EVT_NOTIFICATION_ENABLED;
}
else
{
m_lbe_char_notifications.lux_1_notification_st = BLE_LBE_EVT_NOTIFICATION_DISABLED;
}
}
}
}
void ble_lbe_on_ble_evt(ble_lbe_t * p_lbe, ble_evt_t * p_ble_evt)
{
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
on_connect(p_lbe, p_ble_evt);
break;
case BLE_GAP_EVT_DISCONNECTED:
on_disconnect(p_lbe, p_ble_evt);
break;
case BLE_GATTS_EVT_WRITE:
on_write(p_lbe, p_ble_evt);
break;
default:
// No implementation needed.
break;
}
}
/**@brief Function for adding the Battery Level characteristic.
*
* @param[in] p_lbe Battery Service structure.
* @param[in] p_lbe_init Information needed to initialize the service.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t lux_1_level_char_add(ble_lbe_t * p_lbe, const ble_lbe_init_t * p_lbe_init)
{
ble_gatts_char_md_t char_md;
ble_gatts_attr_md_t cccd_md;
ble_gatts_attr_t attr_char_value;
ble_uuid_t ble_uuid;
ble_gatts_attr_md_t attr_md;
// Add lux Level characteristic
if (p_lbe->is_notification_supported)
{
memset(&cccd_md, 0, sizeof(cccd_md));
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm);
cccd_md.vloc = BLE_GATTS_VLOC_STACK;
}
memset(&char_md, 0, sizeof(char_md));
char_md.char_props.read = 1;
char_md.char_props.notify = (p_lbe->is_notification_supported) ? 1 : 0;;
char_md.p_char_user_desc = NULL;
char_md.p_char_pf = NULL;
char_md.p_user_desc_md = NULL;
char_md.p_cccd_md = (p_lbe->is_notification_supported) ? &cccd_md : NULL;
char_md.p_sccd_md = NULL;
ble_uuid.type = p_lbe->uuid_type;
ble_uuid.uuid = LBE_UUID_LUX_SENS_1_CHAR;
memset(&attr_md, 0, sizeof(attr_md));
//attr_md.read_perm = p_lbe_init->light_level_char_attr_md.read_perm;
//attr_md.write_perm = p_lbe_init->light_level_char_attr_md.write_perm;
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.write_perm);
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = sizeof(uint8_t);
attr_char_value.init_offs = 0;
attr_char_value.max_len = 4*(sizeof(uint8_t));
attr_char_value.p_value = NULL;
return sd_ble_gatts_characteristic_add(p_lbe->service_handle, &char_md,
&attr_char_value,
&p_lbe->LUX_1_handles);
}
uint32_t ble_lbe_init(ble_lbe_t * p_lbe, const ble_lbe_init_t * p_lbe_init)
{
uint32_t err_code;
ble_uuid_t ble_uuid;
// Initialize service structure
p_lbe->evt_handler = p_lbe_init->evt_handler;
p_lbe->conn_handle = BLE_CONN_HANDLE_INVALID;
p_lbe->is_notification_supported = p_lbe_init->support_notification;
// Add service
ble_uuid128_t base_uuid = LBE_UUID_BASE;
err_code = sd_ble_uuid_vs_add(&base_uuid, &p_lbe->uuid_type);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
ble_uuid.type = p_lbe->uuid_type;
ble_uuid.uuid = LBE_UUID_SERVICE;
err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_lbe->service_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Add Light level characteristic
err_code = lux_1_level_char_add(p_lbe, p_lbe_init);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
return NRF_SUCCESS;
}
/**@brief Function for Updating Light Measurement.
*
* @param[in] p_ple Light Band Exger Service structure.
* @param[in] p_lbe_meas Pointer to new illuminance measurement..
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
uint32_t ble_lbe_LUX_1_update(ble_lbe_t * p_lbe, encoded_light_reading_t * p_light_level)
{
uint32_t err_code = NRF_SUCCESS;
uint16_t len;
uint16_t hvx_len;
uint8_t encoded_buffer[4];
encoded_buffer[0]=p_light_level->u4_top;
encoded_buffer[1]=p_light_level->u5_up; // Change to other sensor values later.
encoded_buffer[2]=p_light_level->u6_down_1;
encoded_buffer[3]=p_light_level->u7_down_2;
if(encoded_buffer[0] != p_lbe->LUX_1_Level_last)
{
hvx_len = 4*sizeof(uint8_t);
len=hvx_len;
p_lbe->LUX_1_Level_last = encoded_buffer[0];
err_code = sd_ble_gatts_value_set(p_lbe->LUX_1_handles.value_handle,
0,
&len,
encoded_buffer);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
if(m_lbe_char_notifications.lux_1_notification_st==BLE_LBE_EVT_NOTIFICATION_ENABLED)
{
ble_gatts_hvx_params_t hvx_params_temp;
hvx_params_temp.handle = p_lbe->LUX_1_handles.value_handle;
hvx_params_temp.type = BLE_GATT_HVX_NOTIFICATION;
hvx_params_temp.offset = 0;
err_code = sd_ble_gatts_hvx(p_lbe->conn_handle, &hvx_params_temp);
//err_code = NRF_SUCCESS;
}
// Send value if connected and notifying
}
return err_code;
}