Change Galea channels 7 and 8 to EMG (#702)

* Change emg and eeg channels

Author: isaacplotkin

src/board_controller/brainflow_boards.cpp

@@ -895,9 +895,9 @@ BrainFlowBoards::BrainFlowBoards()
         {"timestamp_channel", 27},
         {"marker_channel", 28},
         {"num_rows", 29},
-        {"eeg_channels", {7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}},
-        {"eeg_names", "Fp1,Fp2,F1,C3,F2,Cz,C4,Pz,P4,O2,P3,O1,X1,X2,X3,X4,X5,X6"},
-        {"emg_channels", {1, 2, 3, 4}},
+        {"eeg_channels", {9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}},
+        {"eeg_names", "F1,C3,F2,Cz,C4,Pz,P4,O2,P3,O1,X1,X2,X3,X4,X5,X6"},
+        {"emg_channels", {1, 2, 3, 4, 7, 8}},
         {"eog_channels", {5, 6}},
         {"other_channels", {25, 26}},
     };
@@ -926,9 +926,9 @@ BrainFlowBoards::BrainFlowBoards()
         {"timestamp_channel", 27},
         {"marker_channel", 28},
         {"num_rows", 29},
-        {"eeg_channels", {7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}},
-        {"eeg_names", "Fp1,Fp2,F1,C3,F2,Cz,C4,Pz,P4,O2,P3,O1,X1,X2,X3,X4,X5,X6"},
-        {"emg_channels", {1, 2, 3, 4}},
+        {"eeg_channels", {9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}},
+        {"eeg_names", "F1,C3,F2,Cz,C4,Pz,P4,O2,P3,O1,X1,X2,X3,X4,X5,X6"},
+        {"emg_channels", {1, 2, 3, 4, 7, 8}},
         {"eog_channels", {5, 6}},
         {"other_channels", {25, 26}},
     };

src/board_controller/openbci/inc/openbci_gain_tracker.h

@@ -221,8 +221,8 @@ class GaleaV4GainTracker : public OpenBCIGainTracker
 {
 public:
     GaleaV4GainTracker ()
-        : OpenBCIGainTracker ({4, 4, 4, 4, 4, 4, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-              2, 2}) // to be confirmed
+        : OpenBCIGainTracker ({4, 4, 4, 4, 4, 4, 4, 4, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+              12, 12, 12, 12, 12}) // to be confirmed
     {
         channel_letters = std::vector<char> {'1', '2', '3', '4', '5', '6', '7', '8', 'Q', 'W', 'E',
             'R', 'T', 'Y', 'U', 'I', 'A', 'S', 'D', 'G', 'H', 'J', 'K', 'L'};
@@ -242,17 +242,13 @@ class GaleaV4GainTracker : public OpenBCIGainTracker
                 std::copy (current_gains.begin (), current_gains.end (), old_gains.begin ());
                 for (size_t i = 0; i < current_gains.size (); i++)
                 {
-                    if (i < 6)
+                    if (i < 8)
                     {
                         current_gains[i] = 4;
                     }
-                    else if ((i == 6) || (i == 7))
-                    {
-                        current_gains[i] = 12;
-                    }
                     else
                     {
-                        current_gains[i] = 2;
+                        current_gains[i] = 12;
                     }
                 }
             }