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fabiankufferfabiankuffer
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gatt hid characteristics added
report map, information and control point
1 parent b41281f commit b06c324

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4 files changed

+228
-3
lines changed

4 files changed

+228
-3
lines changed

‎.vscode/settings.json‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,10 @@
33
"idf.port": "/dev/ttyUSB0",
44
"idf.flashType": "UART",
55
"files.associations": {
6-
"regex": "cpp"
6+
"regex": "cpp",
7+
"random": "c",
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"array": "c",
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"string": "c",
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"string_view": "c"
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}
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}

‎main/blehr_sens.h‎

Lines changed: 17 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -31,14 +31,31 @@ extern "C" {
3131
#define GATT_HRS_UUID 0x180D
3232
#define GATT_HRS_MEASUREMENT_UUID 0x2A37
3333
#define GATT_HRS_BODY_SENSOR_LOC_UUID 0x2A38
34+
35+
/* device info configuration */
3436
#define GATT_DEVICE_INFO_UUID 0x180A
3537
#define GATT_MANUFACTURER_NAME_UUID 0x2A29
3638
#define GATT_MODEL_NUMBER_UUID 0x2A24
3739
#define GATT_FIRMWARE_REVISION_UUID 0x2A26
3840
#define GATT_SOFTWARE_REVISION_UUID 0x2A28
41+
42+
/* battery configuration */
3943
#define GATT_BATTERYS_UUID 0x180f
4044
#define GATT_BATTERY_LEVEL_UUID 0x2a19
4145

46+
/* hid configuration */
47+
#define GATT_HIDS_UUID 0x1812
48+
#define GATT_HID_REPORT_MAP_UUID 0x2A4B
49+
#define GATT_HID_INFORMATION_UUID 0x2A4A
50+
#define GATT_HID_CONTROL_POINT_UUID 0x2A4C
51+
#define GATT_HID_REPORT_UUID 0x2A4D
52+
53+
/*hid information infos*/
54+
#define HID_FLAGS_REMOTE_WAKE 0x01 // RemoteWake
55+
#define HID_FLAGS_NORMALLY_CONNECTABLE 0x02 // NormallyConnectable
56+
#define HID_KBD_FLAGS HID_FLAGS_REMOTE_WAKE
57+
#define HID_INFORMATION_LEN 4 // HID Information
58+
4259
extern uint16_t hrs_hrm_handle;
4360

4461
struct ble_hs_cfg;

‎main/gatt_svr.c‎

Lines changed: 202 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -30,6 +30,148 @@ static const char *manuf_name = "Apache Mynewt ESP32 devkitC";
3030
static const char *model_num = "Mynewt HR Sensor demo";
3131
static const char *firmware_rev = "2.0";
3232
static const char *software_rev = "4.8";
33+
34+
static const uint8_t hidReportMap[] = {
35+
0x05, 0x01, // Usage Page (Generic Desktop)
36+
0x09, 0x02, // Usage (Mouse)
37+
0xA1, 0x01, // Collection (Application)
38+
0x85, 0x01, // Report Id (1)
39+
0x09, 0x01, // Usage (Pointer)
40+
0xA1, 0x00, // Collection (Physical)
41+
0x05, 0x09, // Usage Page (Buttons)
42+
0x19, 0x01, // Usage Minimum (01) - Button 1
43+
0x29, 0x03, // Usage Maximum (03) - Button 3
44+
0x15, 0x00, // Logical Minimum (0)
45+
0x25, 0x01, // Logical Maximum (1)
46+
0x75, 0x01, // Report Size (1)
47+
0x95, 0x03, // Report Count (3)
48+
0x81, 0x02, // Input (Data, Variable, Absolute) - Button states
49+
0x75, 0x05, // Report Size (5)
50+
0x95, 0x01, // Report Count (1)
51+
0x81, 0x01, // Input (Constant) - Padding or Reserved bits
52+
0x05, 0x01, // Usage Page (Generic Desktop)
53+
0x09, 0x30, // Usage (X)
54+
0x09, 0x31, // Usage (Y)
55+
0x09, 0x38, // Usage (Wheel)
56+
0x15, 0x81, // Logical Minimum (-127)
57+
0x25, 0x7F, // Logical Maximum (127)
58+
0x75, 0x08, // Report Size (8)
59+
0x95, 0x03, // Report Count (3)
60+
0x81, 0x06, // Input (Data, Variable, Relative) - X & Y coordinate
61+
0xC0, // End Collection
62+
0xC0, // End Collection
63+
64+
0x05, 0x01, // Usage Pg (Generic Desktop)
65+
0x09, 0x06, // Usage (Keyboard)
66+
0xA1, 0x01, // Collection: (Application)
67+
0x85, 0x02, // Report Id (2)
68+
//
69+
0x05, 0x07, // Usage Pg (Key Codes)
70+
0x19, 0xE0, // Usage Min (224)
71+
0x29, 0xE7, // Usage Max (231)
72+
0x15, 0x00, // Log Min (0)
73+
0x25, 0x01, // Log Max (1)
74+
//
75+
// Modifier byte
76+
0x75, 0x01, // Report Size (1)
77+
0x95, 0x08, // Report Count (8)
78+
0x81, 0x02, // Input: (Data, Variable, Absolute)
79+
//
80+
// Reserved byte
81+
0x95, 0x01, // Report Count (1)
82+
0x75, 0x08, // Report Size (8)
83+
0x81, 0x01, // Input: (Constant)
84+
//
85+
// LED report
86+
0x95, 0x05, // Report Count (5)
87+
0x75, 0x01, // Report Size (1)
88+
0x05, 0x08, // Usage Pg (LEDs)
89+
0x19, 0x01, // Usage Min (1)
90+
0x29, 0x05, // Usage Max (5)
91+
0x91, 0x02, // Output: (Data, Variable, Absolute)
92+
//
93+
// LED report padding
94+
0x95, 0x01, // Report Count (1)
95+
0x75, 0x03, // Report Size (3)
96+
0x91, 0x01, // Output: (Constant)
97+
//
98+
// Key arrays (6 bytes)
99+
0x95, 0x06, // Report Count (6)
100+
0x75, 0x08, // Report Size (8)
101+
0x15, 0x00, // Log Min (0)
102+
0x25, 0x65, // Log Max (101)
103+
0x05, 0x07, // Usage Pg (Key Codes)
104+
0x19, 0x00, // Usage Min (0)
105+
0x29, 0x65, // Usage Max (101)
106+
0x81, 0x00, // Input: (Data, Array)
107+
//
108+
0xC0, // End Collection
109+
//
110+
0x05, 0x0C, // Usage Pg (Consumer Devices)
111+
0x09, 0x01, // Usage (Consumer Control)
112+
0xA1, 0x01, // Collection (Application)
113+
0x85, 0x03, // Report Id (3)
114+
0x09, 0x02, // Usage (Numeric Key Pad)
115+
0xA1, 0x02, // Collection (Logical)
116+
0x05, 0x09, // Usage Pg (Button)
117+
0x19, 0x01, // Usage Min (Button 1)
118+
0x29, 0x0A, // Usage Max (Button 10)
119+
0x15, 0x01, // Logical Min (1)
120+
0x25, 0x0A, // Logical Max (10)
121+
0x75, 0x04, // Report Size (4)
122+
0x95, 0x01, // Report Count (1)
123+
0x81, 0x00, // Input (Data, Ary, Abs)
124+
0xC0, // End Collection
125+
0x05, 0x0C, // Usage Pg (Consumer Devices)
126+
0x09, 0x86, // Usage (Channel)
127+
0x15, 0xFF, // Logical Min (-1)
128+
0x25, 0x01, // Logical Max (1)
129+
0x75, 0x02, // Report Size (2)
130+
0x95, 0x01, // Report Count (1)
131+
0x81, 0x46, // Input (Data, Var, Rel, Null)
132+
0x09, 0xE9, // Usage (Volume Up)
133+
0x09, 0xEA, // Usage (Volume Down)
134+
0x15, 0x00, // Logical Min (0)
135+
0x75, 0x01, // Report Size (1)
136+
0x95, 0x02, // Report Count (2)
137+
0x81, 0x02, // Input (Data, Var, Abs)
138+
0x09, 0xE2, // Usage (Mute)
139+
0x09, 0x30, // Usage (Power)
140+
0x09, 0x83, // Usage (Recall Last)
141+
0x09, 0x81, // Usage (Assign Selection)
142+
0x09, 0xB0, // Usage (Play)
143+
0x09, 0xB1, // Usage (Pause)
144+
0x09, 0xB2, // Usage (Record)
145+
0x09, 0xB3, // Usage (Fast Forward)
146+
0x09, 0xB4, // Usage (Rewind)
147+
0x09, 0xB5, // Usage (Scan Next)
148+
0x09, 0xB6, // Usage (Scan Prev)
149+
0x09, 0xB7, // Usage (Stop)
150+
0x15, 0x01, // Logical Min (1)
151+
0x25, 0x0C, // Logical Max (12)
152+
0x75, 0x04, // Report Size (4)
153+
0x95, 0x01, // Report Count (1)
154+
0x81, 0x00, // Input (Data, Ary, Abs)
155+
0x09, 0x80, // Usage (Selection)
156+
0xA1, 0x02, // Collection (Logical)
157+
0x05, 0x09, // Usage Pg (Button)
158+
0x19, 0x01, // Usage Min (Button 1)
159+
0x29, 0x03, // Usage Max (Button 3)
160+
0x15, 0x01, // Logical Min (1)
161+
0x25, 0x03, // Logical Max (3)
162+
0x75, 0x02, // Report Size (2)
163+
0x81, 0x00, // Input (Data, Ary, Abs)
164+
0xC0, // End Collection
165+
0x81, 0x03, // Input (Const, Var, Abs)
166+
0xC0, // End Collectionq
167+
};
168+
169+
static const uint8_t hidInfo[HID_INFORMATION_LEN] = {
170+
0x11, 0x01, // bcdHID (USB HID version) --> Version 1.11
171+
0x00, // bCountryCode
172+
HID_KBD_FLAGS // Flags
173+
};
174+
33175
uint16_t hrs_hrm_handle;
34176

35177
static int
@@ -40,6 +182,10 @@ static int
40182
gatt_svr_chr_access_device_info(uint16_t conn_handle, uint16_t attr_handle,
41183
struct ble_gatt_access_ctxt *ctxt, void *arg);
42184

185+
static int
186+
gatt_svr_chr_hid(uint16_t conn_handle, uint16_t attr_handle,
187+
struct ble_gatt_access_ctxt *ctxt, void *arg);
188+
43189
static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
44190
{
45191
/* Service: Heart-rate */
@@ -110,11 +256,67 @@ static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
110256
}
111257
},
112258

259+
{
260+
/* Service: HID */
261+
.type = BLE_GATT_SVC_TYPE_PRIMARY,
262+
.uuid = BLE_UUID16_DECLARE(GATT_HIDS_UUID),
263+
.characteristics = (struct ble_gatt_chr_def[])
264+
{ {
265+
/* Characteristic: Report Map */
266+
.uuid = BLE_UUID16_DECLARE(GATT_HID_REPORT_MAP_UUID),
267+
.access_cb = gatt_svr_chr_hid,
268+
.flags = BLE_GATT_CHR_F_READ,
269+
}, {
270+
/* Characteristic: HID Information */
271+
.uuid = BLE_UUID16_DECLARE(GATT_HID_INFORMATION_UUID),
272+
.access_cb = gatt_svr_chr_hid,
273+
.flags = BLE_GATT_CHR_F_READ,
274+
}, {
275+
/* Characteristic: HID Control Point */
276+
.uuid = BLE_UUID16_DECLARE(GATT_HID_CONTROL_POINT_UUID),
277+
.access_cb = gatt_svr_chr_hid,
278+
.flags = BLE_GATT_CHR_F_WRITE_NO_RSP,
279+
}, {
280+
0, /* No more characteristics in this service */
281+
},
282+
}
283+
},
284+
113285
{
114286
0, /* No more services */
115287
},
116288
};
117289

290+
static int gatt_svr_chr_hid(uint16_t conn_handle, uint16_t attr_handle,
291+
struct ble_gatt_access_ctxt *ctxt, void *arg)
292+
{
293+
uint16_t uuid;
294+
int rc;
295+
296+
uuid = ble_uuid_u16(ctxt->chr->uuid);
297+
298+
if (uuid == GATT_HID_REPORT_MAP_UUID) {
299+
rc = os_mbuf_append(ctxt->om, hidReportMap, sizeof(hidReportMap)/sizeof(hidReportMap[0]));
300+
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
301+
}
302+
303+
if (uuid == GATT_HID_INFORMATION_UUID) {
304+
rc = os_mbuf_append(ctxt->om, hidInfo, sizeof(hidInfo)/sizeof(hidInfo[0]));
305+
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
306+
}
307+
308+
if (uuid == GATT_HID_CONTROL_POINT_UUID) {
309+
int *test = OS_MBUF_DATA(ctxt->om,int *);
310+
//00 == hid host is entering the suspend state
311+
//01 == hid host is exiting the suspend state
312+
ESP_LOGW("ASDF", "WRITE TO CONTROL POINT %d",*test);
313+
return 0;
314+
}
315+
316+
assert(0);
317+
return BLE_ATT_ERR_UNLIKELY;
318+
}
319+
118320
static int
119321
gatt_svr_chr_access_heart_rate(uint16_t conn_handle, uint16_t attr_handle,
120322
struct ble_gatt_access_ctxt *ctxt, void *arg)

‎main/main.c‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,10 @@
1717
* under the License.
1818
*/
1919

20+
21+
// USE LINUX TOOL FOR HID PROFILE --> SONST FUNKTIONIERT ES NICHT
22+
//https://macchina.io/blog/internet-of-things/communication-with-low-energy-bluetooth-devices-on-linux/
23+
2024
#include "esp_log.h"
2125
#include "nvs_flash.h"
2226
#include "freertos/FreeRTOSConfig.h"
@@ -33,8 +37,6 @@
3337

3438
static const char *tag = "NimBLE_BLE_HeartRate";
3539
static const ble_uuid16_t hid_service_uuid = BLE_UUID16_INIT(0x180D);
36-
//static const ble_uuid16_t battery_service_uuid = BLE_UUID16_INIT(0x180F);
37-
//static const ble_uuid16_t device_information_service_uuid = BLE_UUID16_INIT(0x180A);
3840
//static const ble_uuid16_t hid_service_uuid = BLE_UUID16_INIT(0x1812);
3941

4042
static xTimerHandle blehr_tx_timer;

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