static void ccc_read_cb(guint8 status, const guint8 *pdu, guint16 len,
gpointer user_data)
{
struct report *report = user_data;
if (status != 0) {
error("Error reading CCC value: %s", att_ecode2str(status));
return;
}
write_ccc(report->hog->attrib, report->ccc_handle, report);
}
static void discover_descriptor_cb(guint8 status, const guint8 *pdu,
guint16 len, gpointer user_data)
{
struct report *report;
struct hog_device *hogdev;
struct att_data_list *list;
uint8_t format;
int i;
if (status != 0) {
error("Discover all characteristic descriptors failed: %s",
att_ecode2str(status));
return;
}
list = dec_find_info_resp(pdu, len, &format);
if (list == NULL)
return;
if (format != ATT_FIND_INFO_RESP_FMT_16BIT)
goto done;
for (i = 0; i < list->num; i++) {
uint16_t uuid16, handle;
uint8_t *value;
value = list->data[i];
handle = att_get_u16(value);
uuid16 = att_get_u16(&value[2]);
switch (uuid16) {
case GATT_CLIENT_CHARAC_CFG_UUID:
report = user_data;
write_ccc(handle, report->hogdev);
break;
case GATT_REPORT_REFERENCE:
report = user_data;
gatt_read_char(report->hogdev->attrib, handle,
report_reference_cb, report);
break;
case GATT_EXTERNAL_REPORT_REFERENCE:
hogdev = user_data;
gatt_read_char(hogdev->attrib, handle,
external_report_reference_cb, hogdev);
break;
}
}
done:
att_data_list_free(list);
}
static void ccc_read_cb(guint8 status, const guint8 *pdu, guint16 len,
gpointer user_data)
{
struct gatt_request *req = user_data;
struct bt_bas *bas = req->user_data;
destroy_gatt_req(req);
if (status != 0) {
error("Error reading CCC value: %s", att_ecode2str(status));
return;
}
write_ccc(bas, bas->attrib, bas->ccc_handle, bas);
}
static void discover_descriptor_cb(uint8_t status, GSList *descs,
void *user_data)
{
struct bt_scpp *scan = user_data;
struct gatt_desc *desc;
if (status != 0) {
error("Discover descriptors failed: %s", att_ecode2str(status));
return;
}
/* There will be only one descriptor on list and it will be CCC */
desc = descs->data;
write_ccc(scan, scan->attrib, desc->handle, scan);
}
static void discover_descriptor_cb(uint8_t status, GSList *descs,
void *user_data)
{
struct report *report;
struct hog_device *hogdev;
GAttrib *attrib = NULL;
if (status != 0) {
error("Discover all descriptors failed: %s",
att_ecode2str(status));
return;
}
for ( ; descs; descs = descs->next) {
struct gatt_desc *desc = descs->data;
switch (desc->uuid16) {
case GATT_CLIENT_CHARAC_CFG_UUID:
report = user_data;
write_ccc(desc->handle, report);
break;
case GATT_REPORT_REFERENCE:
report = user_data;
attrib = report->hogdev->attrib;
gatt_read_char(attrib, desc->handle,
report_reference_cb, report);
break;
case GATT_EXTERNAL_REPORT_REFERENCE:
hogdev = user_data;
attrib = hogdev->attrib;
gatt_read_char(attrib, desc->handle,
external_report_reference_cb, hogdev);
break;
}
}
}