main.py 文件源码

def on_btn_start_clicked(self):
        if self.ui.actionStart.text() == u'Start':
            try:
                self.jlink = jlink.Jlink(jlinkdllpath)
                self.jlink.get_hardware_verion()
                self.jlink.set_mode(jlink.JLINK_MODE_SWD)
                self.jlink.set_speed(4000)
                self.RTT_addr = self.get_RTT_addr()
                self.setup_ring_buffer()
                self.ui.statusbar.showMessage(u"??????")
                self.ui.actionStart.setText(u'Stop')
            except jlink.JlinkError as e:
                QMessageBox.critical(self, u"??", u"'{}'.".format(e))
                #self.on_btn_dll_clicked()
                del self.jlink
                self.jlink = None
            except Exception as e:
                print(e)
                self.ui.statusbar.showMessage(u"??????")
        else:
            self.ui.actionStart.setText(u'Start')
            time.sleep(0.1)
            self.jlink.close()
            del self.jlink
            self.jlink = None
            self.ui.statusbar.showMessage(u"??????")