| 38 | } |
| 39 | |
| 40 | int FreeEEG::prepare_session () |
| 41 | { |
| 42 | if (initialized) |
| 43 | { |
| 44 | safe_logger (spdlog::level::info, "Session already prepared"); |
| 45 | return (int)BrainFlowExitCodes::STATUS_OK; |
| 46 | } |
| 47 | if (params.serial_port.empty ()) |
| 48 | { |
| 49 | safe_logger (spdlog::level::err, "serial port is empty"); |
| 50 | return (int)BrainFlowExitCodes::INVALID_ARGUMENTS_ERROR; |
| 51 | } |
| 52 | serial = Serial::create (params.serial_port.c_str (), this); |
| 53 | int port_open = open_port (); |
| 54 | if (port_open != (int)BrainFlowExitCodes::STATUS_OK) |
| 55 | { |
| 56 | delete serial; |
| 57 | serial = NULL; |
| 58 | return port_open; |
| 59 | } |
| 60 | |
| 61 | int set_settings = set_port_settings (); |
| 62 | if (set_settings != (int)BrainFlowExitCodes::STATUS_OK) |
| 63 | { |
| 64 | delete serial; |
| 65 | serial = NULL; |
| 66 | return set_settings; |
| 67 | } |
| 68 | |
| 69 | initialized = true; |
| 70 | return (int)BrainFlowExitCodes::STATUS_OK; |
| 71 | } |
| 72 | |
| 73 | int FreeEEG::start_stream (int buffer_size, const char *streamer_params) |
| 74 | { |