change file logging format, display currently logged file

src/controller.cpp

@@ -18,12 +18,28 @@
 #include <iomanip>
 
 Controller::Controller(int handle) : test_stand(TestStand(handle)), tui(TUI(&test_stand)), handle(handle) {
-    INIT_SCAN_RATE = 100;
+    INIT_SCAN_RATE = 70;
     SCANS_PER_READ = 1;
+
     aDataSize = NUM_CHANNELS * SCANS_PER_READ;
     aData = new double[sizeof(double) * aDataSize];
     valid_input = false;
     input = "";
+
+    // Create filename based on the number of previous data files in data/
+    if (!std::filesystem::exists("../data/")) {
+        std::filesystem::create_directories("../data/");
+    }
+
+    int file_count = 0;
+    for (const auto& entry : std::filesystem::directory_iterator("../data/")) {
+        if (std::filesystem::is_regular_file(entry.status())) {
+            file_count++;
+        }
+    }
+    filename = "../data/data_" + std::to_string(file_count) + ".csv";
+
+    tui.file_count = file_count;
 }
 
 // Instruct the view to update and process any input commands
@@ -84,7 +100,7 @@ void Controller::read(bool &running) {
 
         std::ofstream file;
         auto startTime = std::chrono::steady_clock::now();
-        file.open("test_data.csv", std::ios::out | std::ios::app);
+        file.open(filename, std::ios::out | std::ios::app);
 
         err = LJM_GetHandleInfo(handle, NULL, &connectionType, NULL, NULL, NULL, NULL);
         ErrorCheck(err, "LJM_GetHandleInfo");

src/controller.hpp

@@ -42,6 +42,8 @@ class Controller {
 
     bool data_mark = false;
 
+    std::string filename;
+
     /**
      * Processes a command that is entered through the TUI interface.
      */

src/view.cpp

@@ -62,6 +62,8 @@ TUI::TUI(TestStand *test_stand) {
     wattron(input_container_window, COLOR_PAIR(TEXT_COLOR));
     mvwprintw(input_container_window, 1, 2, "Enter a command below");
     mvwprintw(input_container_window, 3, 2, "> ");
+
+    mvwprintw(input_container_window, 1, x_max - 30, "Data file: data_%d.csv", file_count);
     wattroff(input_container_window, COLOR_PAIR(TEXT_COLOR));
 
     refresh();
@@ -225,6 +227,7 @@ void TUI::update(double *data) {
     }
 
     mvwprintw(input_container_window, 3, 2, "> ");
+    mvwprintw(input_container_window, 1, x_max - 30, "Data file: data_%d.csv", file_count);
     wattroff(valves_window, COLOR_PAIR(TEXT_COLOR));
     wattroff(sensors_window, COLOR_PAIR(TEXT_COLOR));
     wattroff(modes_window, COLOR_PAIR(TEXT_COLOR));

src/view.hpp

@@ -58,6 +58,9 @@ class TUI {
      */
     std::string input;
 
+    // TODO: Temporary fix, this is not elegant
+    int file_count;
+
 private:
     // TODO: Implement
     void convert_data();