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main.py
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main.py
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#!/usr/bin/env python3.3
# coding= utf-8
from gi.repository import Gtk, GObject
from bq78412 import Device
from arguments import *
from exceptions import *
import logging
class MainWindow(Gtk.Window):
def __init__(self, device):
Gtk.Window.__init__(self)
self.device = device
self.set_title("bq78412")
self.set_position(Gtk.WindowPosition.CENTER)
vbox = Gtk.VBox(False)
self.add(vbox)
# voltage hbox
hbox_voltage = Gtk.HBox(False)
vbox.pack_start(hbox_voltage, False, False, 0)
voltage_label = Gtk.Label("Voltage")
voltage_label.set_size_request(100, 50)
hbox_voltage.pack_start(voltage_label, False, False, 6)
self.voltage_value = Gtk.Label(0)
self.voltage_value.set_size_request(100, 50)
hbox_voltage.pack_start(self.voltage_value, False, False, 6)
voltage_unit = Gtk.Label("mV")
voltage_unit.set_size_request(100, 50)
hbox_voltage.pack_start(voltage_unit, False, False, 6)
# current hbox
hbox_current = Gtk.HBox(False)
vbox.pack_start(hbox_current, False, False, 0)
current_label = Gtk.Label("Current")
current_label.set_size_request(100, 50)
hbox_current.pack_start(current_label, False, False, 6)
self.current_value = Gtk.Label(0)
self.current_value.set_size_request(100, 50)
hbox_current.pack_start(self.current_value, False, False, 6)
current_unit = Gtk.Label("mA")
current_unit.set_size_request(100, 50)
hbox_current.pack_start(current_unit, False, False, 6)
# avg_current hbox
hbox_avg_current = Gtk.HBox(False)
vbox.pack_start(hbox_avg_current, False, False, 0)
avg_current_label = Gtk.Label("Avg. current")
avg_current_label.set_size_request(100, 50)
hbox_avg_current.pack_start(avg_current_label, False, False, 6)
self.avg_current_value = Gtk.Label(0)
self.avg_current_value.set_size_request(100, 50)
hbox_avg_current.pack_start(self.avg_current_value, False, False, 6)
avg_current_unit = Gtk.Label("mA")
avg_current_unit.set_size_request(100, 50)
hbox_avg_current.pack_start(avg_current_unit, False, False, 6)
# temperature hbox
hbox_temperature = Gtk.HBox(False)
vbox.pack_start(hbox_temperature, False, False, 0)
temperature_label = Gtk.Label("Temperature")
temperature_label.set_size_request(100, 50)
hbox_temperature.pack_start(temperature_label, False, False, 6)
self.temperature_value = Gtk.Label(0)
self.temperature_value.set_size_request(100, 50)
hbox_temperature.pack_start(self.temperature_value, False, False, 6)
temperature_unit = Gtk.Label("ºC")
temperature_unit.set_size_request(100, 50)
hbox_temperature.pack_start(temperature_unit, False, False, 6)
# rsoc hbox
hbox_rsoc = Gtk.HBox(False)
vbox.pack_start(hbox_rsoc, False, False, 0)
rsoc_label = Gtk.Label("RSOC")
rsoc_label.set_size_request(100, 50)
hbox_rsoc.pack_start(rsoc_label, False, False, 6)
self.rsoc_value = Gtk.Label(0)
self.rsoc_value.set_size_request(100, 50)
hbox_rsoc.pack_start(self.rsoc_value, False, False, 6)
rsoc_unit = Gtk.Label("%")
rsoc_unit.set_size_request(100, 50)
hbox_rsoc.pack_start(rsoc_unit, False, False, 6)
# refresh hbox
hbox_refresh = Gtk.HBox(False)
vbox.pack_start(hbox_refresh, False, False, 6)
adj = Gtk.Adjustment(0.5, 0.5, 60, 0.5, 1, 0)
self.spinner = Gtk.SpinButton()
self.spinner.configure(adj, 0, 0)
self.spinner.set_digits(1)
hbox_refresh.pack_start(self.spinner, False, False, 6)
spinner_label = Gtk.Label("in minutes")
spinner_label.set_size_request(100, 50)
hbox_refresh.pack_start(spinner_label, False, False, 6)
self.refresh_check = Gtk.CheckButton("Auto refresh")
self.refresh_check.set_size_request(100, 50)
self.refresh_check.connect("toggled", self.on_refresh_toggled)
hbox_refresh.pack_start(self.refresh_check, False, False, 6)
# buttons hbox
hbox_buttons = Gtk.HBox(False)
vbox.pack_start(hbox_buttons, False, False, 6)
read_button = Gtk.Button(label="Read data")
read_button.set_size_request(156, 50)
read_button.connect("clicked", self.on_read_button_clicked)
hbox_buttons.pack_start(read_button, False, False, 6)
rsoc_button = Gtk.Button(label="RSOC 100%")
rsoc_button.set_size_request(156, 50)
rsoc_button.connect("clicked", self.on_rsoc_button_clicked)
hbox_buttons.pack_start(rsoc_button, False, False, 6)
# attributes
self.refresh = False
def on_read_button_clicked(self, button):
self.update_data()
def on_rsoc_button_clicked(self, button):
try:
self.device.reset_rsoc()
except ACKError:
self.error_message("Data error", "Received data has not ACK")
except CRCError:
self.error_message("Data error", "Received CRC is not correct")
except sizeError:
self.error_message("Data error", "Received data has not correct size")
except timeoutError:
self.error_message("Timeout", "The device doesn't respond.")
else:
logging.debug("aaa")
self.update_data()
logging.debug("rsoc reset")
def on_refresh_toggled(self, refresh_check):
self.refresh = refresh_check.get_active()
logging.debug("Data update time: " + str(self.spinner.get_value()))
if self.refresh:
GObject.timeout_add(self.spinner.get_value()*60*1000, self.refresh_data())
def refresh_data(self):
if self.refresh:
self.update_data()
return self.refresh
def error_message(self, firstMessage, secondMessage):
dialog = Gtk.MessageDialog(self, 0, Gtk.MessageType.ERROR, Gtk.ButtonsType.OK, str(firstMessage))
dialog.format_secondary_text(str(secondMessage))
dialog.run()
logging.debug("ERROR dialog closed")
dialog.destroy()
def update_data(self):
try:
logging.debug("Refresh value check " + str(self.refresh_check))
logging.debug("Refresh value " + str(self.refresh))
data = self.get_data()
except ACKError:
self.error_message("Data error", "Received data has not ACK")
self.refresh_check.set_active(False)
self.refresh = False
except CRCError:
self.error_message("Data error", "Received CRC is not correct")
self.refresh_check.set_active(False)
self.refresh = False
except sizeError:
self.error_message("Data error", "Received data has not correct size")
self.refresh_check.set_active(False)
self.refresh = False
except timeoutError:
self.error_message("Timeout", "The device doesn't respond.")
self.refresh_check.set_active(False)
self.refresh = False
logging.debug("Refresh value check" + str(self.refresh_check))
logging.debug("Refresh value " + str(self.refresh))
else:
self.voltage_value.set_text(str(data['voltage']))
self.current_value.set_text(str(data['current']))
self.avg_current_value.set_text(str(data['avg_current']))
self.temperature_value.set_text(str(data['temperature']))
self.rsoc_value.set_text(str(data['rsoc']))
logging.debug("data updated with: "+str(data))
def get_data(self):
return self.device.get_data()
args = read_arguments()
if args['verbose']:
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(levelname)-8s %(message)s', datefmt='%d/%m/%Y %H:%M:%S')
logging.debug("Received args: "+ str(args))
logging.debug("Trying to connect")
device = Device(args['port'], args['timeout'], 9600)
win = MainWindow(device)
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()