#!/usr/bin/env python3 import sys import serial import serial.tools.list_ports import gi gi.require_version('Gtk', '3.0') from gi.repository import Gtk, Gio, GObject, GLib def update_header_func(row, before, data): """Add a separator header to all rows but the first one""" if before is None: row.set_header(None) return current = row.get_header() if current is None: current = Gtk.Separator.new(Gtk.Orientation.HORIZONTAL) row.set_header(current) def pdb_send_message(sp, message): """Send a message over the serial port and return the response""" # Open the serial port # FIXME handle exceptions sp = serial.Serial(sp.device, baudrate=115200, timeout=0.01) sp.write(bytes(message, 'utf-8') + b'\r\n') sp.flush() answer = sp.readlines() sp.close() # Remove the echoed command and prompt answer = answer[1:-1] return answer class ListRowModel(GObject.GObject): def __init__(self, serport): GObject.GObject.__init__(self) self.serport = serport class SelectListStore(Gio.ListStore): def __init__(self, stack, list_empty, list_frame): Gio.ListStore.__init__(self) self.stack = stack self.list_empty = list_empty self.list_frame = list_frame self.update_items() GLib.timeout_add(1000, self.update_items) def update_items(self): # Clear the old entries self.remove_all() # Search for the serial ports for serport in serial.tools.list_ports.grep("1209:0001"): self.append(ListRowModel(serport)) # Set the visible child # FIXME: This is rather poor organization if self.get_n_items(): self.stack.set_visible_child(self.list_frame) else: self.stack.set_visible_child(self.list_empty) return True class SelectListRow(Gtk.ListBoxRow): def __init__(self, lrm): Gtk.EventBox.__init__(self) self.serial_port = lrm.serport self._builder = Gtk.Builder() self._builder.add_from_file("data/select-list-row.ui") self._builder.connect_signals(self) name = self._builder.get_object("name") name.set_text(self.serial_port.description) device = self._builder.get_object("device") device.set_text(self.serial_port.device) self.add(self._builder.get_object("grid")) self.show_all() def on_identify_clicked(self, button): pdb_send_message(self.serial_port, 'identify') class Handler: def __init__(self, builder): self.builder = builder def on_pdb_window_realize(self, *args): # Get the list sl = self.builder.get_object("select-list") ss = self.builder.get_object("select-stack") se = self.builder.get_object("select-none") sf = self.builder.get_object("select-frame") liststore = SelectListStore(ss, se, sf) sl.bind_model(liststore, SelectListRow) # Add separators to the list sl.set_header_func(update_header_func, None) def on_pdb_window_delete_event(self, *args): Gtk.main_quit(*args) def on_select_list_row_activated(self, box, row): # Get voltage and current widgets voltage = self.builder.get_object("voltage-combobox") current = self.builder.get_object("current-spinbutton") self.serial_port = row.serial_port pdb_send_message(self.serial_port, 'load') tmpcfg = pdb_send_message(self.serial_port, 'get_tmpcfg') # Get information for line in tmpcfg: if line.startswith(b'v:'): v = line.split()[1] if v == b'5.00': voltage.set_active_id('voltage-five') elif v == b'9.00': voltage.set_active_id('voltage-nine') elif v == b'15.00': voltage.set_active_id('voltage-fifteen') if v == b'20.00': voltage.set_active_id('voltage-twenty') elif line.startswith(b'i:'): i = float(line.split()[1]) current.set_value(i) # Hide the Save button rev = self.builder.get_object("header-sink-save-revealer") rev.set_reveal_child(False) # Show the Sink page hst = self.builder.get_object("header-stack") hsink = self.builder.get_object("header-sink") hsink.set_subtitle(row.serial_port.device) hst.set_visible_child(hsink) st = self.builder.get_object("stack") sink = self.builder.get_object("sink") st.set_visible_child(sink) def on_header_sink_back_clicked(self, data): # Show the Select page hst = self.builder.get_object("header-stack") hselect = self.builder.get_object("header-select") hst.set_visible_child(hselect) st = self.builder.get_object("stack") select = self.builder.get_object("select") st.set_visible_child(select) def on_header_sink_save_clicked(self, button): rev = self.builder.get_object("header-sink-save-revealer") rev.set_reveal_child(False) pdb_send_message(self.serial_port, 'write') def on_voltage_combobox_changed(self, combo): rev = self.builder.get_object("header-sink-save-revealer") rev.set_reveal_child(True) pdb_send_message(self.serial_port, 'set_v {}'.format(int(combo.get_active_text())*1000)) def on_current_spinbutton_changed(self, spin): rev = self.builder.get_object("header-sink-save-revealer") rev.set_reveal_child(True) pdb_send_message(self.serial_port, 'set_i {}'.format(int(spin.get_value()*1000))) class Application(Gtk.Application): def __init__(self, *args, **kwargs): super().__init__(*args, application_id="com.clayhobbs.pd-buddy-gtk", **kwargs) self.window = None def do_startup(self): Gtk.Application.do_startup(self) self.builder = Gtk.Builder() self.builder.add_from_file("data/pd-buddy-gtk.ui") self.builder.connect_signals(Handler(self.builder)) def do_activate(self): # We only allow a single window and raise any existing ones if not self.window: # Windows are associated with the application # when the last one is closed the application shuts down self.window = self.builder.get_object("pdb-window") self.add_window(self.window) self.window.set_wmclass("PD Buddy Configuration", "PD Buddy Configuration") self.window.present() if __name__ == "__main__": app = Application() app.run(sys.argv)