void handle_gatt_client_event(le_event_t * event){
switch(tc_state){
case TC_W4_SERVICE_RESULT:
switch(event->type){
case GATT_SERVICE_QUERY_RESULT:
service = ((le_service_event_t *) event)->service;
dump_service(&service);
break;
case GATT_QUERY_COMPLETE:
tc_state = TC_W4_CHARACTERISTIC_RESULT;
printf("\n test client - ENABLE CHARACTERISTIC for SERVICE QUERY 1: \n");
dump_service(&service);
gatt_client_discover_characteristics_for_service_by_uuid128(&test_gatt_client_context, &service, acc_chr_enable_uuid);
break;
default:
break;
}
break;
case TC_W4_CHARACTERISTIC_RESULT:
switch(event->type){
case GATT_CHARACTERISTIC_QUERY_RESULT:
enable_characteristic = ((le_characteristic_event_t *) event)->characteristic;
dump_characteristic(&enable_characteristic);
break;
case GATT_QUERY_COMPLETE:
tc_state = TC_W4_ACC_ENABLE;
printf("\n test client - ACC ENABLE\n");
gatt_client_write_value_of_characteristic(&test_gatt_client_context, enable_characteristic.value_handle, 1, acc_enable);
break;
default:
break;
}
break;
case TC_W4_ACC_ENABLE:
tc_state = TC_W4_ACC_CLIENT_CONFIG_CHARACTERISTIC_RESULT;
printf("\n test client - CLIENT CONFIG CHARACTERISTIC for SERVICE QUERY with UUID");
printUUID128(service.uuid128);
printf("\n");
gatt_client_discover_characteristics_for_service_by_uuid128(&test_gatt_client_context, &service, acc_chr_client_config_uuid);
break;
case TC_W4_ACC_CLIENT_CONFIG_CHARACTERISTIC_RESULT:
switch(event->type){
case GATT_CHARACTERISTIC_QUERY_RESULT:
config_characteristic = ((le_characteristic_event_t *) event)->characteristic;
dump_characteristic(&config_characteristic);
break;
case GATT_QUERY_COMPLETE:
tc_state = TC_W4_ACC_DATA;
printf("\n test client - ACC Client Configuration\n");
gatt_client_write_client_characteristic_configuration(&test_gatt_client_context, &config_characteristic, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION);
break;
default:
break;
}
break;
case TC_W4_ACC_DATA:
printf("ACC Client Data: ");
if ( event->type != GATT_NOTIFICATION && event->type != GATT_INDICATION ) break;
dump_characteristic_value((le_characteristic_value_event_t *) event);
break;
default:
printf("Client, unhandled state %d\n", tc_state);
break;
}
}
static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
int status;
uint8_t battery_level;
switch(state){
case TC_W4_SERVICE_RESULT:
switch(hci_event_packet_get_type(packet)){
case GATT_EVENT_SERVICE_QUERY_RESULT:
gatt_event_service_query_result_get_service(packet, &battery_service);
dump_service(&battery_service);
break;
case GATT_EVENT_QUERY_COMPLETE:
if (packet[4] != 0){
printf("SERVICE_QUERY_RESULT - Error status %x.\n", packet[4]);
add_to_blacklist(report.address);
gap_disconnect(connection_handle);
break;
}
state = TC_W4_CHARACTERISTIC_RESULT;
printf("\nSearch for battery level characteristic.\n");
gatt_client_discover_characteristics_for_service_by_uuid16(handle_gatt_client_event, connection_handle, &battery_service, battery_level_characteristic_uuid);
break;
default:
break;
}
break;
case TC_W4_CHARACTERISTIC_RESULT:
switch(hci_event_packet_get_type(packet)){
case GATT_EVENT_CHARACTERISTIC_QUERY_RESULT:
gatt_event_characteristic_query_result_get_characteristic(packet, &config_characteristic);
dump_characteristic(&config_characteristic);
break;
case GATT_EVENT_QUERY_COMPLETE:
if (packet[4] != 0){
printf("CHARACTERISTIC_QUERY_RESULT - Error status %x.\n", packet[4]);
add_to_blacklist(report.address);
gap_disconnect(connection_handle);
break;
}
state = TC_W4_BATTERY_DATA;
printf("\nConfigure battery level characteristic for notify.\n");
status = gatt_client_write_client_characteristic_configuration(handle_gatt_client_event, connection_handle, &config_characteristic, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION);
if (status != 0){
printf("\nNotification not supported. Query value of characteristic.\n");
gatt_client_read_value_of_characteristic(handle_gatt_client_event, connection_handle, &config_characteristic);
}
break;
default:
break;
}
break;
case TC_W4_BATTERY_DATA:
switch(hci_event_packet_get_type(packet)){
case GATT_EVENT_NOTIFICATION:
printf("\nBattery Data:\n");
dump_characteristic_value(&packet[8], little_endian_read_16(packet, 6));
break;
case GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT:
if (gatt_event_characteristic_value_query_result_get_value_length(packet) < 1) break;
battery_level = gatt_event_characteristic_value_query_result_get_value(packet)[0];
printf("Battry level %d \n", battery_level);
break;
case GATT_EVENT_QUERY_COMPLETE:
if (packet[4] != 0){
printf("CHARACTERISTIC_VALUE_QUERY_RESULT - Error status %x.\n", packet[4]);
break;
}
// Use timer if repeated request is needed and notification is not supperted
gap_disconnect(connection_handle);
break;
default:
printf("Unknown packet type %x\n", hci_event_packet_get_type(packet));
break;
}
break;
default:
printf("error\n");
break;
}
}
