Fix undefined behavior due to recursive mutex locking, and properly clear sensors when re-enumerating

AdaptiveBrightness/main_window.cpp

@@ -19,7 +19,7 @@
 #include "sensor_driver.hpp"
 #include "utils.hpp"
 
-MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent)
+MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), m_mtx(QMutex::RecursionMode::Recursive)
 {
     qDebug(ltr("Creating main window"));
 
@@ -54,6 +54,8 @@ void MainWindow::closeEvent(QCloseEvent* event)
 
 void MainWindow::enumSensors()
 {
+    m_sensors.clear();
+
     auto sensors = enumerateSensors();
 
     for(auto& sensor: sensors) {

firmware/README.md

@@ -56,7 +56,7 @@ Found DFU: [0483:df11] ver=2200, devnum=57, cfg=1, intf=0, path="2-13.2.2", alt=
 Found DFU: [0483:df11] ver=2200, devnum=57, cfg=1, intf=0, path="2-13.2.2", alt=0, name="@Internal Flash  /0x08000000/032*0001Kg", serial="FFFFFFFEFFFF"
 ```
 
-The firmware can then be flashing using:
+The firmware can then be flashed using:
 
 ```console
 $ dfu-util -a 0 -s 0x08000000 -D AdaptiveBrightnessFirmware.bin