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gatt-service/device_information_service_client: prevent calling query twice

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This commit is contained in:
Milanka Ringwald 2021-06-15 17:11:32 +02:00
parent 498fd4ba42
commit 66881873e3
1 changed files with 7 additions and 4 deletions
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11
src/ble/gatt-service/device_information_service_client.c
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@ -456,15 +456,18 @@ static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint
uint8_t device_information_service_client_query(hci_con_handle_t con_handle, btstack_packet_handler_t packet_handler){
btstack_assert(packet_handler != NULL);
device_information_service_client_t * client = device_information_service_client_get_client();
device_information_service_client_t * client = device_information_service_get_client_for_con_handle(con_handle);
if (client->state != DEVICE_INFORMATION_SERVICE_CLIENT_STATE_IDLE){
return GATT_CLIENT_IN_WRONG_STATE;
}
if (client != NULL){
return ERROR_CODE_COMMAND_DISALLOWED;
}
client = device_information_service_client_get_client();
client->con_handle = con_handle;
client->client_handler = packet_handler;
client->state = DEVICE_INFORMATION_SERVICE_CLIENT_STATE_W2_QUERY_SERVICE;
device_information_service_run_for_client(client);
return ERROR_CODE_SUCCESS;
}