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starting with notify

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Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
Peter Siegmund
2025-05-30 22:43:12 +02:00
parent a7067fb391
commit de103142a4
3 changed files with 115 additions and 0 deletions
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30
components/remote_control/remote_control.c
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@@ -28,6 +28,9 @@ static const ble_uuid16_t led_service_uuid = BLE_UUID16_INIT(0x1007);
uint8_t ble_addr_type;
// Handle for the capability characteristic value
static uint16_t g_capa_char_val_handle;
static void ble_app_advertise(void);
static struct ble_gatt_dsc_def char_0xA000_descs[] = {{
@@ -69,6 +72,7 @@ static const struct ble_gatt_svc_def gatt_svcs[] = {
.uuid = BLE_UUID16_DECLARE(0x1979),
.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
.access_cb = capa_read,
.val_handle = &g_capa_char_val_handle,
.descriptors = char_0x1979_desc,
},
{0}},
@@ -118,6 +122,32 @@ static int ble_gap_event(struct ble_gap_event *event, void *arg)
ble_app_advertise();
break;
case BLE_GAP_EVENT_SUBSCRIBE:
ESP_LOGI(TAG,
"BLE GAP EVENT SUBSCRIBE conn_handle=%d attr_handle=%d reason=%d "
"prev_notify=%d cur_notify=%d prev_indicate=%d cur_indicate=%d",
event->subscribe.conn_handle, event->subscribe.attr_handle, event->subscribe.reason,
event->subscribe.prev_notify, event->subscribe.cur_notify, event->subscribe.prev_indicate,
event->subscribe.cur_indicate);
// Check if subscription is for the capability characteristic's CCCD.
// The CCCD handle is typically the characteristic value handle + 1.
// g_capa_char_val_handle stores the handle of the characteristic value itself.
if (event->subscribe.attr_handle == g_capa_char_val_handle + 1)
{
if (event->subscribe.cur_notify)
{
ESP_LOGI(TAG, "Client subscribed to capability notifications. Sending data...");
// Call the function to send capability data via notifications
capa_notify_data(event->subscribe.conn_handle, g_capa_char_val_handle);
}
else
{
ESP_LOGI(TAG, "Client unsubscribed from capability notifications.");
}
}
break;
default:
break;
}