| 28 | } |
| 29 | |
| 30 | int KnightBase::prepare_session () |
| 31 | { |
| 32 | if (initialized) |
| 33 | { |
| 34 | safe_logger (spdlog::level::info, "Session already prepared"); |
| 35 | return (int)BrainFlowExitCodes::STATUS_OK; |
| 36 | } |
| 37 | if (params.serial_port.empty ()) |
| 38 | { |
| 39 | safe_logger (spdlog::level::err, "serial port is empty"); |
| 40 | return (int)BrainFlowExitCodes::INVALID_ARGUMENTS_ERROR; |
| 41 | } |
| 42 | |
| 43 | serial = Serial::create (params.serial_port.c_str (), this); |
| 44 | int port_open = open_port (); |
| 45 | if (port_open != (int)BrainFlowExitCodes::STATUS_OK) |
| 46 | { |
| 47 | delete serial; |
| 48 | serial = NULL; |
| 49 | return port_open; |
| 50 | } |
| 51 | |
| 52 | int set_settings = set_port_settings (); |
| 53 | if (set_settings != (int)BrainFlowExitCodes::STATUS_OK) |
| 54 | { |
| 55 | delete serial; |
| 56 | serial = NULL; |
| 57 | return set_settings; |
| 58 | } |
| 59 | |
| 60 | initialized = true; |
| 61 | return (int)BrainFlowExitCodes::STATUS_OK; |
| 62 | } |
| 63 | |
| 64 | int KnightBase::start_stream (int buffer_size, const char *streamer_params) |
| 65 | { |