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FZ35-bt.py
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FZ35-bt.py
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#!/usr/bin/python3
#
# copyright by Oliver Dippel [email protected] 2019
#
import threading
import serial
import os
import copy
import sys
import glob
import datetime
import time
import argparse
import json
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GdkPixbuf, Gdk, Pango, Gio, GObject
from gi.repository.GdkPixbuf import Pixbuf, InterpType
import cairo
from io import StringIO
import bluetooth
#
# OVP:25.2, OCP:5.10, OPP:35.50, LVP:01.5,OAH:0.000,OHP:00:00
#
# start
# stop
# on
# off
# x.xxA
# LVP:xx.x
# OVP:xx.x
# OCP:x.xx
# OPP:xx.xx
# OAH:x.xxx
# OHP:xx:xx
# read
#
class MyGui(Gtk.Application):
def __init__(self):
Gtk.Application.__init__(self)
if len(sys.argv) != 2:
print("")
print("USAGE:")
print(" " + sys.argv[0] + " SERIAL_PORT")
print("")
exit(1)
self.addr = sys.argv[1]
addr = "98:D3:31:F5:8F:12"
print("connecting")
try:
self.socket = bluetooth.BluetoothSocket(bluetooth.RFCOMM)
self.socket.connect((addr, 1))
print("connected")
except bluetooth.btcommon.BluetoothError as err:
print("Error", err)
exit(1)
thread = threading.Thread(target=self.read_from_port)
thread.start()
def read_from_port(self):
self.running = True
time.sleep(0.2)
self.socket.send("read".encode())
time.sleep(0.2)
self.socket.send("start".encode())
line = b""
data = self.socket.recv(1024)
while self.running == True:
while len(data) > 0:
line += data
if b"\n" in line:
parts = line.split(b"\n", 1)
line = parts[0]
reading = line.decode()
if reading.startswith("OVP:"):
for part in reading.split(","):
name = part.split(":")[0].strip()
value = part.split(":", 1)[1].strip()
if name == "LVP":
self.lvp.set_text(value)
if name == "OVP":
self.ovp.set_text(value)
if name == "OCP":
self.ocp.set_text(value)
if name == "OPP":
self.opp.set_text(value)
if name == "OAH":
self.oah.set_text(value)
if name == "OHP":
self.ohp.set_text(value)
elif "Ah," in reading:
timestamp = time.time()
voltage = reading.split(",")[0]
ampere = reading.split(",")[1]
capacity = reading.split(",")[2]
distime = reading.split(",")[3]
self.timedata.append([timestamp, float(voltage.strip("V")), float(ampere.strip("A")), float(capacity.strip("Ah")), distime])
self.samples.set_markup("<span size='xx-large'>Samples: " + str(len(self.timedata)) + "</span>")
self.voltage.set_markup("<span foreground='blue' size='xx-large'>Voltage: " + voltage + "</span>")
self.ampere.set_markup("<span foreground='red' size='xx-large'>Ampere: " + ampere + "</span>")
self.capacity.set_markup("<span foreground='#ab00ab' size='xx-large'>Capacity: " + capacity + "</span>")
self.time.set_markup("<span foreground='yellow' size='xx-large'>Time: " + distime + "</span>")
self.timeline.queue_draw()
else:
print(reading)
self.stat.set_text(reading)
line = parts[1]
data = self.socket.recv(1024)
def do_activate(self):
self.timedata = []
self.window = Gtk.ApplicationWindow(application=self)
self.window.connect("destroy", self.quit_callback)
titlebar = self.create_titlebar()
self.window.set_titlebar(titlebar)
mainbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.window.add(mainbox)
mainbox2 = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
mainbox.pack_start(mainbox2, True, True, 0)
timevaluebox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
mainbox2.pack_start(timevaluebox, True, True, 0)
timeline = self.create_timeline()
timevaluebox.pack_start(timeline, True, True, 0)
valuebox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
timevaluebox.add(valuebox)
self.samples = Gtk.Label(label="--")
valuebox.pack_start(self.samples, True, True, 0)
self.voltage = Gtk.Label(label="--")
valuebox.pack_start(self.voltage, True, True, 0)
self.ampere = Gtk.Label(label="--")
valuebox.pack_start(self.ampere, True, True, 0)
self.capacity = Gtk.Label(label="--")
valuebox.pack_start(self.capacity, True, True, 0)
self.time = Gtk.Label(label="--")
valuebox.pack_start(self.time, True, True, 0)
buttonbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
mainbox.add(buttonbox)
btn_start = Gtk.Button.new_with_label("Start")
btn_start.connect("clicked", self.btn_start)
buttonbox.pack_start(btn_start, True, True, 0)
btn_stop = Gtk.Button.new_with_label("Stop")
btn_stop.connect("clicked", self.btn_stop)
buttonbox.pack_start(btn_stop, True, True, 0)
btn_on = Gtk.Button.new_with_label("On")
btn_on.connect("clicked", self.btn_on)
buttonbox.pack_start(btn_on, True, True, 0)
btn_off = Gtk.Button.new_with_label("Off")
btn_off.connect("clicked", self.btn_off)
buttonbox.pack_start(btn_off, True, True, 0)
btn_read = Gtk.Button.new_with_label("Read")
btn_read.connect("clicked", self.btn_read)
buttonbox.pack_start(btn_read, True, True, 0)
settingbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
mainbox2.add(settingbox)
self.load = self.add_setting(settingbox, "Ampere", "0.50", self.load_set)
self.lvp = self.add_setting(settingbox, "LVP", "", self.lvp_set)
self.ovp = self.add_setting(settingbox, "OVP", "", self.ovp_set)
self.ocp = self.add_setting(settingbox, "OCP", "", self.ocp_set)
self.opp = self.add_setting(settingbox, "OPP", "", self.opp_set)
self.oah = self.add_setting(settingbox, "OAH", "", self.oah_set)
self.ohp = self.add_setting(settingbox, "OHP", "", self.ohp_set)
self.stat = Gtk.Label(label="--")
settingbox.pack_start(self.stat, True, True, 0)
self.window.show_all()
def add_setting(self, settingbox, label, value, callback):
box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
settingbox.add(box)
label = Gtk.Label(label=label)
box.pack_start(label, True, True, 0)
entry = Gtk.Entry()
entry.set_text(value)
box.pack_start(entry, True, True, 0)
btn_set = Gtk.Button.new_with_label("SET")
btn_set.connect("clicked", callback)
box.pack_start(btn_set, True, True, 0)
return entry
def load_set(self, button):
data = "%1.02fA" % (float(self.load.get_text()), )
self.stat.set_text(data)
self.socket.send(data.encode())
def lvp_set(self, button):
data = "LVP:%0.1f" % (float(self.lvp.get_text()), )
self.stat.set_text(data)
self.socket.send(data.encode())
time.sleep(0.2)
self.socket.send("read".encode())
def ovp_set(self, button):
data = "OVP:%0.1f" % (float(self.ovp.get_text()), )
self.stat.set_text(data)
self.socket.send(data.encode())
time.sleep(0.2)
self.socket.send("read".encode())
def ocp_set(self, button):
data = "OCP:%0.2f" % (float(self.ocp.get_text()), )
self.stat.set_text(data)
self.socket.send(data.encode())
time.sleep(0.2)
self.socket.send("read".encode())
def opp_set(self, button):
data = "OPP:%0.2f" % (float(self.opp.get_text()), )
self.stat.set_text(data)
self.socket.send(data.encode())
time.sleep(0.2)
self.socket.send("read".encode())
def oah_set(self, button):
data = "OAH:%0.3f" % (float(self.oah.get_text()), )
self.stat.set_text(data)
self.socket.send(data.encode())
time.sleep(0.2)
self.socket.send("read".encode())
def ohp_set(self, button):
data = "OHP:" + self.ohp.get_text()
self.stat.set_text(data)
self.socket.send(data.encode())
time.sleep(0.2)
self.socket.send("read".encode())
def btn_start(self, button):
self.stat.set_text("start")
self.socket.send("start".encode())
def btn_stop(self, button):
self.stat.set_text("stop")
self.socket.send("stop".encode())
def btn_on(self, button):
self.stat.set_text("on")
self.socket.send("on".encode())
def btn_off(self, button):
self.stat.set_text("off")
self.socket.send("off".encode())
def btn_read(self, button):
self.stat.set_text("read")
self.socket.send("read".encode())
def quit_callback(self, action):
self.running = False
self.quit()
def create_titlebar(self):
hb = Gtk.HeaderBar()
hb.set_show_close_button(True)
hb.props.title = "FZ35 (5A 35W Electronic Load Tester)"
box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
Gtk.StyleContext.add_class(box.get_style_context(), "linked")
hb.pack_start(box)
## Menuheader
menubutton = Gtk.MenuButton.new()
menumodel = Gio.Menu()
menumodel.append("Export", "app.export")
export_as = Gio.SimpleAction.new("export", None)
export_as.connect("activate", self.export_as)
self.add_action(export_as)
menubutton.set_menu_model(menumodel)
box.add(menubutton)
return hb
def timeline_draw_event(self, da, cairo_ctx):
self.cw = self.timeline.get_allocation().width
self.ch = self.timeline.get_allocation().height
gx = 150
gw = self.cw - gx - 50
gh = self.ch - 10 - 10
dl = len(self.timedata)
if dl == 0:
return
cairo_ctx.set_source_rgb(0.0, 0.0, 0.0)
cairo_ctx.rectangle(gx - 1, 10 - 1, gw + 1, gh + 1)
cairo_ctx.fill()
# Grig
cairo_ctx.set_source_rgb(0.5, 0.5, 0.5)
cairo_ctx.set_line_width(0.5)
for n in range(0, 50, 5):
y = self.ch - 10 - int(n * gh / 50)
cairo_ctx.new_path()
cairo_ctx.move_to(gx, y)
cairo_ctx.line_to(gx + gw, y)
cairo_ctx.stroke()
# Voltage
cairo_ctx.set_line_width(1.0)
cairo_ctx.set_source_rgb(0.0, 0.0, 1.0)
for n in range(0, 30 + 5, 5):
y = self.ch - 10 - int(n * gh / 30)
cairo_ctx.move_to(gx + gw + 10, y + 3)
cairo_ctx.show_text(str(n) + "V")
cairo_ctx.new_path()
cairo_ctx.move_to(gx + gw, y)
cairo_ctx.line_to(gx + gw + 5, y)
cairo_ctx.stroke()
cairo_ctx.new_path()
tn = 1;
for data in self.timedata:
x = gx + tn * gw / dl
y = self.ch - 10 - int(data[1] * gh / 30.0)
if tn == 1:
cairo_ctx.move_to(gx, y)
cairo_ctx.line_to(x, y)
tn = tn + 1
cairo_ctx.stroke()
# Ampere
cairo_ctx.set_source_rgb(1.0, 0.0, 0.0)
for n in range(0, 50 + 10, 10):
y = self.ch - 10 - int(n * gh / 50)
cairo_ctx.move_to(10, y + 3)
cairo_ctx.show_text(str(n / 10.0) + "A")
cairo_ctx.new_path()
cairo_ctx.move_to(gx - 5, y)
cairo_ctx.line_to(gx, y)
cairo_ctx.stroke()
cairo_ctx.new_path()
tn = 1;
for data in self.timedata:
x = gx + tn * gw / dl
y = self.ch - 10 - int(data[2] * gh / 5.0)
if tn == 1:
cairo_ctx.move_to(gx, y)
cairo_ctx.line_to(x, y)
tn = tn + 1
cairo_ctx.stroke()
# Capacity
capacity_max = (int(self.timedata[-1][3]) + 1) * 10
if capacity_max < 5:
capacity_max = 5
steps = int(capacity_max / 4)
scale = 10
cairo_ctx.set_source_rgb(1.0, 0.0, 1.0)
for n in range(0, int(capacity_max * scale) + steps, steps):
y = self.ch - 10 - int(n * gh / capacity_max)
cairo_ctx.move_to(50, y + 3)
cairo_ctx.show_text(str(n / scale) + "Ah")
cairo_ctx.new_path()
cairo_ctx.move_to(gx - 5, y)
cairo_ctx.line_to(gx, y)
cairo_ctx.stroke()
cairo_ctx.new_path()
tn = 1;
for data in self.timedata:
x = gx + tn * gw / dl
y = self.ch - 10 - int(data[3] * gh / capacity_max * scale)
if tn == 1:
cairo_ctx.move_to(gx, y)
cairo_ctx.line_to(x, y)
tn = tn + 1
cairo_ctx.stroke()
# Time
time_max = int(self.timedata[-1][4].split(":")[0]) * 60 + int(self.timedata[-1][4].split(":")[1]) + 2
if time_max < 10:
time_max = 10
steps = int(time_max / 4)
scale = 1
cairo_ctx.set_source_rgb(1.0, 1.0, 0.0)
for n in range(0, time_max + steps, steps):
y = self.ch - 10 - int(n * gh / time_max)
cairo_ctx.move_to(100, y + 3)
cairo_ctx.show_text(str(int(n / scale)) + "min")
cairo_ctx.new_path()
cairo_ctx.move_to(gx - 5, y)
cairo_ctx.line_to(gx, y)
cairo_ctx.stroke()
cairo_ctx.new_path()
tn = 1;
for data in self.timedata:
x = gx + tn * gw / dl
time_m = int(data[4].split(":")[0]) * 60 + int(data[4].split(":")[1])
y = self.ch - 10 - int(time_m * gh / time_max * scale)
if tn == 1:
cairo_ctx.move_to(gx, y)
cairo_ctx.line_to(x, y)
tn = tn + 1
cairo_ctx.stroke()
cairo_ctx.set_source_rgb(0.0, 0.0, 0.0)
cairo_ctx.rectangle(gx - 1, 10 - 1, gw + 1, gh + 1)
cairo_ctx.stroke()
def timeline_configure_event(self, da, event):
allocation = da.get_allocation()
self.surface = da.get_window().create_similar_surface(cairo.CONTENT_COLOR, allocation.width, allocation.height)
cairo_ctx = cairo.Context(self.surface)
cairo_ctx.set_source_rgb(1, 1, 1)
cairo_ctx.paint()
return True
def create_timeline(self):
self.timeline = Gtk.DrawingArea()
self.timeline.set_size_request(800, 200)
self.timeline.add_events(Gdk.EventMask.EXPOSURE_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK | Gdk.EventMask.BUTTON_PRESS_MASK|Gdk.EventMask.POINTER_MOTION_MASK|Gdk.EventMask.SCROLL_MASK)
self.timeline.connect('draw', self.timeline_draw_event)
self.timeline.connect('configure-event', self.timeline_configure_event)
# self.timeline.connect('button-press-event', self.timeline_clicked)
return self.timeline
def export_as(self, action, parameter):
dialog = Gtk.FileChooserDialog("Please choose a file", self.window, Gtk.FileChooserAction.SAVE, (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_SAVE, Gtk.ResponseType.OK))
filter_xmeml = Gtk.FileFilter()
filter_xmeml.set_name("CSV-Data")
filter_xmeml.add_pattern("*.csv")
dialog.add_filter(filter_xmeml)
filter_any = Gtk.FileFilter()
filter_any.set_name("Any files")
filter_any.add_pattern("*")
dialog.add_filter(filter_any)
response = dialog.run()
if response == Gtk.ResponseType.OK:
print("CSV-Data save to " + dialog.get_filename())
filename = dialog.get_filename()
if not "." in filename:
filename += ".csv"
file = open(filename, "w")
for data in self.timedata:
line = ""
for part in data:
line += str(part) + ";"
line = line.strip(";")
file.send(line + "\r\n")
file.close()
dialog.destroy()
app = MyGui()
exit_status = app.run()
sys.exit(exit_status)