Add some status messages to statusbar

app/app.py

@@ -12,6 +12,8 @@
 from comports import SerialConnection, SerialParser
 from analysis import KeyPress
 
+import status
+
 FPS = 20
 
 
@@ -47,9 +49,15 @@ def __init__(self):
         self.parser.newDataSet.connect(lambda i, t, p: self.mainView.resultsView.new_results(KeyPress(i, t,p)))
         self.parser.newDataSet.connect(lambda i, t, p: self.mainView.textOutputView.new_results(KeyPress(i, t,p)))
 
+        status.set_status_logger(self.set_status_message)
+        status.set_status('Force Sensor Ready..')
+
     def quit(self):
         self.mainView.textOutputView.quit()
 
+    def set_status_message(self, msg: str):
+        self.window.statusBar().showMessage(msg)
+
 
 class MainWindow(QtWidgets.QMainWindow):
     """
@@ -79,7 +87,9 @@ def _setupView(self):
         self.setWindowIcon(QtGui.QIcon('assets/icon.jpeg'))
         self.setGeometry(50, 50, 1600, 900)
         # set_background_color(self, '#5a5d73')
-        set_background_color(self, 'gray')
+        # set_background_color(self, 'gray')
+
+        self.statusBar().showMessage('')
 
         self._center()
         self.raise_()

app/comports.py

@@ -8,6 +8,8 @@
 
 from serial.tools import hexlify_codec
 
+import status
+
 codecs.register(lambda c: hexlify_codec.getregentry() if c == 'hexlify' else None)
 
 BAUDRATE = 57600
@@ -54,7 +56,6 @@ def refresh(self):
         self.dropdown.clear()
         self.dropdown.addItem('--- Select COM Port ---')
         self.dropdown.addItems([p.device for p in self.availablePorts])
-        # self.newCOMPorts.emit([p.device for p in self.availablePorts])
 
     def change_port(self, port: serial.Serial):
 
@@ -63,6 +64,7 @@ def change_port(self, port: serial.Serial):
             self._stop_reader()
         self.serial = serial.Serial(port.device, BAUDRATE, timeout=10)
         print('open port: ', self.serial, self.serial.port)
+        status.set_status('open port: {}'.format(self.serial.port))
         self._start_reader()
 
 

app/logger.py

@@ -10,6 +10,8 @@
 import typing
 from pathlib import Path
 
+import status
+
 LogHandle = typing.NamedTuple('loghandle', [('file', typing.TextIO), ('writer', csv.writer)])
 
 def start_new_session(directory, file_prefix: str, csv: bool):
@@ -59,6 +61,7 @@ def start_new_session(directory, file_prefix: str, csv: bool):
         csvfile = open(str(fname), 'w', newline='')
         writer = csv.writer(csvfile, delimiter=',') if csv else None
         print('starting new logging session with file:', str(fname))
+        status.set_status('starting new logging session with file: {}'.format(str(fname)))
         return LogHandle(file=csvfile, writer=writer)
     except Exception as e:
         print('error opening file: \n', e)
@@ -107,4 +110,5 @@ def close_session(handle: LogHandle):
     """
     if handle and handle.file:
         print('closing logging session for file:', handle.file.name)
+        status.set_status('close logging session with file: {}'.format(handle.file.name))
         handle.file.close()

app/views.py

@@ -75,8 +75,8 @@ def __init__(self):
         # self.plot.update_plot(range(5))
 
         # self.setStyleSheet("font-weight: bold; font-size: {}px".format(24))
-        self.forceResult = QtWidgets.QLabel('3.5 N')
-        self.accelResult = QtWidgets.QLabel('20 mm/s^2')
+        self.forceResult = QtWidgets.QLabel('- N')
+        self.accelResult = QtWidgets.QLabel('- mm/s^2')
         self.encoder = QtWidgets.QLabel('-')
         self.risetimeResult = QtWidgets.QLabel('- s')
 
@@ -165,18 +165,30 @@ def clear(self):
         self.ax.clear()
 
     def show_speed(self, k: KeyPress):
+
+        if not k:
+            return
+
         self.clear()
         t, speed, speed_fitted = k.speed_data()
         self.plot(t, speed, speed_fitted, title='Speed vs time', xlabel='Time [ms]', ylabel='Speed [mm/s]')
 
 
     def show_accel(self, k: KeyPress):
+
+        if not k:
+            return
+
         self.clear()
         t, accel, accel_fitted = k.accel_data()
         self.plot(t, accel, accel_fitted, title='Acceleration vs time', xlabel='Time [ms]', ylabel='Speed [mm/s^2]', plot_z_average=True)
 
 
     def show_position(self, k: KeyPress):
+
+        if not k:
+            return
+
         self.clear()
 
         t = k.timestamps