| 61 | } |
| 62 | |
| 63 | int BrainBit::prepare_session () |
| 64 | { |
| 65 | if (initialized) |
| 66 | { |
| 67 | safe_logger (spdlog::level::info, "Session is already prepared"); |
| 68 | return (int)BrainFlowExitCodes::STATUS_OK; |
| 69 | } |
| 70 | // init all function pointers |
| 71 | int res = NeuromdBoard::prepare_session (); |
| 72 | if (res != (int)BrainFlowExitCodes::STATUS_OK) |
| 73 | { |
| 74 | return res; |
| 75 | } |
| 76 | |
| 77 | // try to find device |
| 78 | res = find_device (); |
| 79 | if (res != (int)BrainFlowExitCodes::STATUS_OK) |
| 80 | { |
| 81 | free_device (); |
| 82 | return res; |
| 83 | } |
| 84 | // try to connect to device |
| 85 | res = connect_device (); |
| 86 | if (res != (int)BrainFlowExitCodes::STATUS_OK) |
| 87 | { |
| 88 | free_device (); |
| 89 | return res; |
| 90 | } |
| 91 | |
| 92 | // need to set callbacks for battery charge and resistance data |
| 93 | // get info about channels |
| 94 | ChannelInfoArray device_channels; |
| 95 | int brainbit_code = device_available_channels (device, &device_channels); |
| 96 | if (brainbit_code != SDK_NO_ERROR) |
| 97 | { |
| 98 | char error_msg[1024]; |
| 99 | sdk_last_error_msg (error_msg, 1024); |
| 100 | safe_logger (spdlog::level::err, "get channels error {}", error_msg); |
| 101 | free_device (); |
| 102 | return (int)BrainFlowExitCodes::GENERAL_ERROR; |
| 103 | } |
| 104 | |
| 105 | // set correct callbacks for channels |
| 106 | for (size_t i = 0; i < device_channels.info_count; ++i) |
| 107 | { |
| 108 | ////////////////////////// |
| 109 | //////// Battery ///////// |
| 110 | ////////////////////////// |
| 111 | if (device_channels.info_array[i].type == ChannelTypeBattery) |
| 112 | { |
| 113 | if (brainbit_code == SDK_NO_ERROR) |
| 114 | { |
| 115 | brainbit_code = device_subscribe_int_channel_data_received (device, |
| 116 | device_channels.info_array[i], &BrainBitCallbacks::on_battery_charge_received, |
| 117 | &battery_listener, (void *)this); |
| 118 | } |
| 119 | } |
| 120 | //////////////////// |
nothing calls this directly
no test coverage detected