// stramer
static void streamer(le_streamer_connection_t * context){
if (connection_handle == HCI_CON_HANDLE_INVALID) return;
// create test data
context->counter++;
if (context->counter > 'Z') context->counter = 'A';
memset(context->test_data, context->counter, context->test_data_len);
// send
uint8_t status = gatt_client_write_value_of_characteristic_without_response(connection_handle, le_streamer_characteristic_rx.value_handle, context->test_data_len, (uint8_t*) context->test_data);
if (status){
printf("error %02x for write without response!\n", status);
return;
} else {
test_track_data(&le_streamer_connection, context->test_data_len);
}
// request again
gatt_client_request_can_write_without_response_event(handle_gatt_client_event, connection_handle);
}
static void handle_hci_event(uint8_t packet_type, uint8_t *packet, uint16_t size){
le_command_status_t status;
if (packet_type != HCI_EVENT_PACKET) return;
switch (packet[0]) {
case HCI_EVENT_DISCONNECTION_COMPLETE:
printf("test client - DISCONNECTED\n");
break;
case GAP_LE_ADVERTISING_REPORT:
if (tc_state != TC_W4_SCAN_RESULT) return;
printf("test client - SCAN ACTIVE\n");
ad_event_t ad_event;
int pos = 2;
ad_event.event_type = packet[pos++];
ad_event.address_type = packet[pos++];
memcpy(ad_event.address, &packet[pos], 6);
pos += 6;
ad_event.rssi = packet[pos++];
ad_event.length = packet[pos++];
ad_event.data = &packet[pos];
pos += ad_event.length;
dump_ad_event(&ad_event);
test_device_addr_type = ad_event.address_type;
bd_addr_t found_device_addr;
memcpy(found_device_addr, ad_event.address, 6);
swapX(ad_event.address, found_device_addr, 6);
if (memcmp(&found_device_addr, &sensor_tag1_addr, 6) == 0
|| memcmp(&found_device_addr, &sensor_tag2_addr, 6) == 0) {
tc_state = TC_W4_CONNECT;
le_central_stop_scan();
le_central_connect(&found_device_addr, test_device_addr_type);
}
break;
case BTSTACK_EVENT_STATE:
// BTstack activated, get started
if (packet[2] == HCI_STATE_WORKING) {
printf("BTstack activated, get started!\n");
tc_state = TC_W4_SCAN_RESULT;
le_central_start_scan();
}
break;
case HCI_EVENT_LE_META:
switch (packet[2]) {
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE: {
if (tc_state != TC_W4_CONNECT) return;
tc_state = TC_W4_SERVICE_RESULT;
printf("\n test client - CONNECTED, query ACC service\n");
test_gatt_client_handle = READ_BT_16(packet, 4);
gatt_client_start(&test_gatt_client_context, test_gatt_client_handle);
// let's start
gatt_client_discover_primary_services_by_uuid128(&test_gatt_client_context, acc_service_uuid);
break;
}
default:
break;
}
break;
case DAEMON_EVENT_HCI_PACKET_SENT:
switch(tc_state){
case TC_W2_WRITE_WITHOUT_RESPONSE:
status = gatt_client_write_value_of_characteristic_without_response(&test_gatt_client_context, characteristic.value_handle, 1, chr_short_value);
if (status != BLE_PERIPHERAL_OK) break;
tc_state = TC_W4_READ_LONG_RESULT;
gatt_client_read_long_value_of_characteristic(&test_gatt_client_context, &characteristic);
default:
break;
}
default:
break;
}
}
