serial_panel: allow the serial panel to communicate on different ports not just default

Author: joshanne

dronecan_gui_tool/panels/serial_panel.py

@@ -336,7 +336,6 @@ def __init__(self, parent, node):
         self.num_tx_bytes = 0
         self.node = node
         self.tunnel = None
-        self.target_dev = -1
         self.ublox_msg_in = None
         self.ublox_msg_out = None
 
@@ -348,6 +347,12 @@ def __init__(self, parent, node):
             self.baud_select.addItem(str(b))
         self.baud_select.currentIndexChanged.connect(self.change_baud)
 
+        self.serial_device_select = QComboBox()
+        self.serial_device_select.addItem("Default", -1)
+        for index in range(0, 6):
+            self.serial_device_select.addItem(f"Serial {index}", index)
+        self.serial_device_select.currentIndexChanged.connect(self.update_target_serial_device)
+
         self.lock_select = QComboBox()
         self.lock_select.addItem("UnLocked")
         self.lock_select.addItem("Locked")
@@ -373,6 +378,7 @@ def __init__(self, parent, node):
         self.ublox_handling = QCheckBox(self)
 
         layout.addLayout(self.labelWidget('Node', self.node_select))
+        layout.addLayout(self.labelWidget('Target Serial', self.serial_device_select))
         layout.addLayout(self.labelWidget('UART Locking', self.lock_select))
         layout.addLayout(self.labelWidget('Baudrate', self.baud_select))
         layout.addLayout(self.labelWidget('Listen Port', self.port_select))
@@ -454,6 +460,12 @@ def change_baud(self):
             print("change baudrate to %u" % baud)
             self.tunnel.baudrate = baud
 
+    def update_target_serial_device(self):
+        '''callback when uart target serial device changes'''
+        if self.tunnel:
+            target_serial_dev = int(self.serial_device_select.currentData())
+            self.tunnel.target_serial_dev = target_serial_dev
+
     def update_locked(self):
         '''callback when locked state changes'''
         if self.tunnel:
@@ -627,7 +639,8 @@ def check_connection(self):
             target_node = int(self.node_select.currentText().split(':')[0])
 
             locked = self.lock_select.currentText() == "Locked"
-            self.tunnel = dronecan.DroneCANSerial(None, target_node, self.target_dev,
+            target_serial_dev = int(self.serial_device_select.currentData())
+            self.tunnel = dronecan.DroneCANSerial(None, target_node, target_serial_dev,
                                                   node=self.node,
                                                   lock_port=locked, baudrate=self.get_baudrate())
             print("ucenter connection from %s" % str(self.addr))