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run_app.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Browser based Web App
Purpose: Battery Monitoring on a RPI with a PICAN2 Board
Version: 4/2018 Roboball (MattK.)
"""
import dash
from dash.dependencies import Input,Output, State, Event
import dash_core_components as dcc
import dash_html_components as html
import base64
from plotly import tools
import plotly.plotly as py
import plotly.graph_objs as go
from collections import deque
import queue
import numpy as np
import random
import logging
import can
import os
import time
import threading
from threading import Thread
# surpress logging
log = logging.getLogger('werkzeug')
log.setLevel(logging.ERROR)
##################################
# init can bus globals
##################################
freq = 0.5 # set receiver frequency: 0.2
num_sens = 2 # number of sensor data
cells = 6 # number of cells per battery pack (accus)
buff_len = 20 # length buffer
thres = 0.95 # threshold warning
# init buffer
q = queue.Queue()
a1_V_list = [] # accu 1 voltage
a1_T_list = [] # accu 1 temperature
a2_V_list = [] # accu 2 voltage
a2_T_list = [] # accu 2 temperature
for cell in range(cells):
a1_V_list.append(deque([0] * buff_len,maxlen= buff_len))
a1_T_list.append(deque([0] * buff_len,maxlen= buff_len))
a2_V_list.append(deque([0] * buff_len,maxlen= buff_len))
a2_T_list.append(deque([0] * buff_len,maxlen= buff_len))
##################################
# init dash globals
##################################
colors = {
'background': '#424242',
'text': '#7FDBFF',
'head': '#7996c4',
'c1': '#e5eefd',
}
# init layouts
text_style_1 = dict(color='#444', textAlign = 'left',
fontFamily='sans-serif', fontWeight=300)
text_style_2 = dict(color='#444', textAlign = 'center',
fontFamily='sans-serif', fontWeight=600)
text_style_01 = dict(color='#444', textAlign = 'center',
fontFamily='sans-serif', fontWeight=1000)
div_style_01 = {'backgroundColor': colors['background'],
'color': colors['text'], 'marginTop': 0,
'marginLeft': 0, 'marginRight': 0}
app = dash.Dash(__name__)
# in case of running the pi without internet connection
# you need download css, js scripts and need to activate
# both serve_locally = True
#app.css.config.serve_locally = True # for local css
#app.scripts.config.serve_locally = True # for local js
app.layout = html.Div([
########## navbar header ##########
html.Div([
html.Div([
html.Div([html.H3(" Battery Monitoring System", style={
'padding-left' : '-1',
'margin-left' : '-1',
'margin-top': '15',
'color': '#FFFFFF',
'textAlign' : 'center',
'height' : '45'
}, )]),
], className="col-lg-12"),
], className="row", style={
'backgroundColor': colors['background'],
},),
html.Div([
html.Div([
########## battery control panel ##########
html.Div([
html.Div([
html.Div([
html.H3(" Control Panel",className="card-title text-center", style={},),
html.Hr(),
html.H4(" Battery Pack 1",className="card-title text-center"),
html.Div([
html.Div([
html.Button('Load Pack 1', id='button-1', className="btn btn-secondary btn-lg btn-block", style={
'margin-top' : '12',
'margin-bottom' : '0',
'padding-top' : '20',
'padding-bottom' : '20',
}), ], className="col-lg-12 col-md-12 col-xs-4",)
], className="row"),
html.Div([
html.Div([
html.Button('Stop Loading', id='button-2', className="btn btn-secondary btn-lg btn-block", style={
'margin-top' : '14',
'margin-bottom' : '0',
'padding-top' : '20',
'padding-bottom' : '20',
}), ], className="col-lg-12 col-md-12 col-xs-4",)
], className="row"),
html.Hr(),
html.H4(" Battery Pack 2",className="card-title text-center"),
html.Div([
html.Div([
html.Button('Load Pack 2', id='button-3', className="btn btn-secondary btn-lg btn-block", style={
'margin-top' : '12',
'margin-bottom' : '0',
'padding-top' : '20',
'padding-bottom' : '20',
}), ], className="col-lg-12 col-md-12 col-xs-4",)
], className="row"),
html.Div([
html.Div([
html.Button('Stop Loading', id='button-4', className="btn btn-secondary btn-lg btn-block", style={
'margin-top' : '14',
'margin-bottom' : '0',
'padding-top' : '20',
'padding-bottom' : '20',
}), ], className="col-lg-12 col-md-12 col-xs-4",)
], className="row"),
html.Hr(),
html.Div(id='button1-out', style={'display':'none'}),
#html.H5(id='button1-out', style=text_style_2),
#html.Div(id='button1-out',children='Value')
], className="card-body ", style={
'backgroundColor': colors['c1'],},),
],className="card", style={
}),
], className="col-lg-2 col-xs-12 ", style={
}),
########## battery pack 1 ##########
html.Div([
html.Div([
html.H4(" Battery Pack 1")
], className="card-header text-center text-white mb2",style={
'backgroundColor': colors['head'],'padding-top' : '15','padding-bottom' : '8',},),
html.Div([
html.Div([
html.Div([
html.Div([
dcc.Graph(id='g01',),
dcc.Interval(id='graph-update', interval= 2000 * 1),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Div([
html.Div([
dcc.Input(id='input-01',readonly=True, type='text',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '0','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-02',readonly=True, type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-03', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-04', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
],className="row ", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Hr(),
html.Div([
html.Div([
dcc.Graph(id='g02',),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center", style={}),
html.Div([
html.Div([
dcc.Input(id='input-05', type='text',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '0','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-06', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-07', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-08', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Hr(),
html.Div([
html.Div([
dcc.Graph(id='g03',),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center", style={}),
html.Div([
html.Div([
dcc.Input(id='input-09', type='text',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '0','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-10', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-11', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-12', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Div([
html.P(' Voltage in Volt (range: 10-14V), Temperature in C° (range: 0-60C)',
style={'font-size': '14','padding-top' : '20'}),
html.P(' Measurements: Mean Ø | Current Value',
style={'font-size': '12','padding-top' : '0','margin-top' : '0'}),
],className="d-flex align-items-center flex-column justify-content-center text-secondary", style={}),
], className="card-body ", style={}),
],className="card ", style={
}),
], className="col-lg-5 col-xs-12 ", style={
}),
########## battery pack 2 ##########
html.Div([
html.Div([
html.H4(" Battery Pack 2")
], className="card-header text-center text-white mb2",style={
'backgroundColor': colors['head'],'padding-top' : '15','padding-bottom' : '8', },),
html.Div([
html.Div([
html.Div([
html.Div([
dcc.Graph(id='g11',),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Div([
html.Div([
dcc.Input(id='input-13', type='text',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '0','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-14', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-15', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-16', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Hr(),
html.Div([
html.Div([
dcc.Graph(id='g12',),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Div([
html.Div([
dcc.Input(id='input-17', type='text',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '0','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-18', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-19', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-20', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Hr(),
html.Div([
html.Div([
dcc.Graph(id='g13',),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Div([
html.Div([
dcc.Input(id='input-21', type='text',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '0','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-22', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-23', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
dcc.Input(id='input-24', type='text', value='',className="form-control form-control-lg ", style={
'text-align':'center','font-size': '20', 'width': '150', 'display': 'inline-block',
'margin-left' : '34','margin-right' : '0','padding-left' : '0','padding-right' : '0',}),
],className="row", style={}),
],className="d-flex align-items-center flex-column justify-content-center ", style={}),
html.Div([
html.P(' Voltage in Volt (range: 10-14V), Temperature in C° (range: 0-60C)',
style={'font-size': '14','padding-top' : '20'}),
html.P(' Measurements: Mean Ø | Current Value',
style={'font-size': '12','padding-top' : '0','margin-top' : '0'}),
],className="d-flex align-items-center flex-column justify-content-center text-secondary", style={}),
], className="card-body"),
], className="card"),
], className="col-lg-5 col-xs-12"),
], className="row", style={
}),
], className="container-fluid", style={
'margin-top': '10',
'padding' : '10',
}),
], className="container-fluid", style={
'margin': '0',
'padding' : '0',
})
@app.callback(
Output(component_id='input-01', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_V_list[3])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_V_list[3][0])
@app.callback(
Output(component_id='input-02', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_T_list[3])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_T_list[3][0])
@app.callback(
Output(component_id='input-03', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_V_list[0])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_V_list[0][0])
@app.callback(
Output(component_id='input-04', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_T_list[0])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_T_list[0][0])
@app.callback(
Output(component_id='input-05', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_V_list[4])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_V_list[4][0])
@app.callback(
Output(component_id='input-06', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_T_list[4])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_T_list[4][0])
@app.callback(
Output(component_id='input-07', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_V_list[1])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_V_list[1][0])
@app.callback(
Output(component_id='input-08', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_T_list[1])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_T_list[1][0])
@app.callback(
Output(component_id='input-09', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_V_list[5])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_V_list[5][0])
@app.callback(
Output(component_id='input-10', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_T_list[5])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_T_list[5][0])
@app.callback(
Output(component_id='input-11', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_V_list[2])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_V_list[2][0])
@app.callback(
Output(component_id='input-12', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a1_T_list[2])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a1_T_list[2][0])
@app.callback(
Output(component_id='input-13', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_V_list[3])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_V_list[3][0])
@app.callback(
Output(component_id='input-14', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_T_list[3])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_T_list[3][0])
@app.callback(
Output(component_id='input-15', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_V_list[0])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_V_list[0][0])
@app.callback(
Output(component_id='input-16', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_T_list[0])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_T_list[0][0])
@app.callback(
Output(component_id='input-17', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_V_list[4])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_V_list[4][0])
@app.callback(
Output(component_id='input-18', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_T_list[4])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_T_list[4][0])
@app.callback(
Output(component_id='input-19', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_V_list[1])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_V_list[1][0])
@app.callback(
Output(component_id='input-20', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_T_list[1])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_T_list[1][0])
@app.callback(
Output(component_id='input-21', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_V_list[5])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_V_list[5][0])
@app.callback(
Output(component_id='input-22', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_T_list[5])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_T_list[5][0])
@app.callback(
Output(component_id='input-23', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_V_list[2])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_V_list[2][0])
@app.callback(
Output(component_id='input-24', component_property='value'),
events=[Event('graph-update', 'interval')])
def update_output_div():
mean_val = mean(a2_T_list[2])
return 'Ø ' + "{:.1f}".format(mean_val) + ' | '\
"{:.1f}".format(a2_T_list[2][0])
@app.callback(Output('g01', 'figure'),
events=[Event('graph-update', 'interval')])
def update_graph_bar():
X = np.arange(0,-20,-1)
# set colors
c_1 = compare_volt(a1_V_list[3][0])
c_2 = compare_temp(a1_T_list[3][0])
c_3 = compare_volt(a1_V_list[0][0])
c_4 = compare_temp(a1_T_list[0][0])
trace1 = go.Bar(x=list(X), y= list(a1_V_list[3]),marker=dict(color= c_1), width=1.0,showlegend=False,) #3888ba
trace2 = go.Bar(x=list(X), y= list(a1_T_list[3]),marker=dict(color= c_2), width=1.0,showlegend=False,) #38ba72
trace3 = go.Bar(x=list(X), y= list(a1_V_list[0]),marker=dict(color= c_3), width=1.0,showlegend=False,)
trace4 = go.Bar(x=list(X), y= list(a1_T_list[0]),marker=dict(color= c_4), width=1.0,showlegend=False,)
fig = tools.make_subplots(rows=1, cols=4, subplot_titles=('Voltage 4', 'Temperature 4',
'Voltage 1', 'Temperature 1'),
print_grid=False)
fig.append_trace(trace1, 1, 1)
fig.append_trace(trace2, 1, 2)
fig.append_trace(trace3, 1, 3)
fig.append_trace(trace4, 1, 4)
fig['layout']['yaxis1'].update(range=[10, 14])
fig['layout']['yaxis2'].update(range=[0, 60])
fig['layout']['yaxis3'].update(range=[10, 14])
fig['layout']['yaxis4'].update(range=[0, 60])
fig['layout'].update(xaxis1=dict(showticklabels=False),
yaxis1=dict(showticklabels=False),
xaxis2=dict(showticklabels=False),
yaxis2=dict(showticklabels=False),
xaxis3=dict(showticklabels=False),
yaxis3=dict(showticklabels=False),
xaxis4=dict(showticklabels=False),
yaxis4=dict(showticklabels=False),)
fig['layout'].update(margin=dict(l=0,r=0,b=0,t=40))
fig['layout'].update(height=150, width=700)
return fig
@app.callback(Output('g02', 'figure'),
events=[Event('graph-update', 'interval')])
def update_graph_bar():
X = np.arange(0,-20,-1)
# set colors
c_1 = compare_volt(a1_V_list[4][0])
c_2 = compare_temp(a1_T_list[4][0])
c_3 = compare_volt(a1_V_list[1][0])
c_4 = compare_temp(a1_T_list[1][0])
trace1 = go.Bar(x=list(X), y=list(a1_V_list[4]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace2 = go.Bar(x=list(X), y=list(a1_T_list[4]),marker=dict(color= c_2), width=1.0,showlegend=False)
trace3 = go.Bar(x=list(X), y=list(a1_V_list[1]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace4 = go.Bar(x=list(X), y=list(a1_T_list[1]),marker=dict(color= c_2), width=1.0,showlegend=False)
fig = tools.make_subplots(rows=1, cols=4, subplot_titles=('Voltage 5', 'Temperature 5',
'Voltage 2', 'Temperature 2'),
print_grid=False)
fig.append_trace(trace1, 1, 1)
fig.append_trace(trace2, 1, 2)
fig.append_trace(trace3, 1, 3)
fig.append_trace(trace4, 1, 4)
fig['layout']['yaxis1'].update(range=[10, 14])
fig['layout']['yaxis2'].update(range=[0, 60])
fig['layout']['yaxis3'].update(range=[10, 14])
fig['layout']['yaxis4'].update(range=[0, 60])
fig['layout'].update(xaxis1=dict(showticklabels=False),
yaxis1=dict(showticklabels=False),
xaxis2=dict(showticklabels=False),
yaxis2=dict(showticklabels=False),
xaxis3=dict(showticklabels=False),
yaxis3=dict(showticklabels=False),
xaxis4=dict(showticklabels=False),
yaxis4=dict(showticklabels=False),)
fig['layout'].update(margin=dict(l=0,r=0,b=0,t=40))
fig['layout'].update(height=150, width=700,)
return fig
@app.callback(Output('g03', 'figure'),
events=[Event('graph-update', 'interval')])
def update_graph_bar():
X = np.arange(0,-20,-1)
# set colors
c_1 = compare_volt(a1_V_list[5][0])
c_2 = compare_temp(a1_T_list[5][0])
c_3 = compare_volt(a1_V_list[2][0])
c_4 = compare_temp(a1_T_list[2][0])
trace1 = go.Bar(x=list(X), y=list(a1_V_list[5]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace2 = go.Bar(x=list(X), y=list(a1_T_list[5]),marker=dict(color= c_2), width=1.0,showlegend=False)
trace3 = go.Bar(x=list(X), y=list(a1_V_list[2]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace4 = go.Bar(x=list(X), y=list(a1_T_list[2]),marker=dict(color= c_2), width=1.0,showlegend=False)
fig = tools.make_subplots(rows=1, cols=4, subplot_titles=('Voltage 6', 'Temperature 6',
'Voltage 3', 'Temperature 3'),
print_grid=False)
fig.append_trace(trace1, 1, 1)
fig.append_trace(trace2, 1, 2)
fig.append_trace(trace3, 1, 3)
fig.append_trace(trace4, 1, 4)
fig['layout']['yaxis1'].update(range=[10, 14])
fig['layout']['yaxis2'].update(range=[0, 60])
fig['layout']['yaxis3'].update(range=[10, 14])
fig['layout']['yaxis4'].update(range=[0, 60])
fig['layout'].update(xaxis1=dict(showticklabels=False),
yaxis1=dict(showticklabels=False),
xaxis2=dict(showticklabels=False),
yaxis2=dict(showticklabels=False),
xaxis3=dict(showticklabels=False),
yaxis3=dict(showticklabels=False),
xaxis4=dict(showticklabels=False),
yaxis4=dict(showticklabels=False),)
fig['layout'].update(margin=dict(l=0,r=0,b=0,t=40))
fig['layout'].update(height=150, width=700,)
return fig
@app.callback(Output('g11', 'figure'),
events=[Event('graph-update', 'interval')])
def update_graph_bar():
X = np.arange(0,-20,-1)
# set colors
c_1 = compare_volt(a2_V_list[3][0])
c_2 = compare_temp(a2_T_list[3][0])
c_3 = compare_volt(a2_V_list[0][0])
c_4 = compare_temp(a2_T_list[0][0])
trace1 = go.Bar(x=list(X), y=list(a2_V_list[3]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace2 = go.Bar(x=list(X), y=list(a2_T_list[3]),marker=dict(color= c_2), width=1.0,showlegend=False)
trace3 = go.Bar(x=list(X), y=list(a2_V_list[0]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace4 = go.Bar(x=list(X), y=list(a2_T_list[0]),marker=dict(color= c_2), width=1.0,showlegend=False)
fig = tools.make_subplots(rows=1, cols=4, subplot_titles=('Voltage 4', 'Temperature 4',
'Voltage 1', 'Temperature 1'),
print_grid=False)
fig.append_trace(trace1, 1, 1)
fig.append_trace(trace2, 1, 2)
fig.append_trace(trace3, 1, 3)
fig.append_trace(trace4, 1, 4)
fig['layout']['yaxis1'].update(range=[10, 14])
fig['layout']['yaxis2'].update(range=[0, 60])
fig['layout']['yaxis3'].update(range=[10, 14])
fig['layout']['yaxis4'].update(range=[0, 60])
fig['layout'].update(xaxis1=dict(showticklabels=False),
yaxis1=dict(showticklabels=False),
xaxis2=dict(showticklabels=False),
yaxis2=dict(showticklabels=False),
xaxis3=dict(showticklabels=False),
yaxis3=dict(showticklabels=False),
xaxis4=dict(showticklabels=False),
yaxis4=dict(showticklabels=False),)
fig['layout'].update(margin=dict(l=0,r=0,b=0,t=40))
fig['layout'].update(height=150, width=700)
return fig
@app.callback(Output('g12', 'figure'),
events=[Event('graph-update', 'interval')])
def update_graph_bar():
X = np.arange(0,-20,-1)
# set colors
c_1 = compare_volt(a2_V_list[4][0])
c_2 = compare_temp(a2_T_list[4][0])
c_3 = compare_volt(a2_V_list[1][0])
c_4 = compare_temp(a2_T_list[1][0])
trace1 = go.Bar(x=list(X), y=list(a2_V_list[4]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace2 = go.Bar(x=list(X), y=list(a2_T_list[4]),marker=dict(color= c_2), width=1.0,showlegend=False)
trace3 = go.Bar(x=list(X), y=list(a2_V_list[1]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace4 = go.Bar(x=list(X), y=list(a2_T_list[1]),marker=dict(color= c_2), width=1.0,showlegend=False)
fig = tools.make_subplots(rows=1, cols=4, subplot_titles=('Voltage 5', 'Temperature 5',
'Voltage 2', 'Temperature 2'),
print_grid=False)
fig.append_trace(trace1, 1, 1)
fig.append_trace(trace2, 1, 2)
fig.append_trace(trace3, 1, 3)
fig.append_trace(trace4, 1, 4)
fig['layout']['yaxis1'].update(range=[10, 14])
fig['layout']['yaxis2'].update(range=[0, 60])
fig['layout']['yaxis3'].update(range=[10, 14])
fig['layout']['yaxis4'].update(range=[0, 60])
fig['layout'].update(xaxis1=dict(showticklabels=False),
yaxis1=dict(showticklabels=False),
xaxis2=dict(showticklabels=False),
yaxis2=dict(showticklabels=False),
xaxis3=dict(showticklabels=False),
yaxis3=dict(showticklabels=False),
xaxis4=dict(showticklabels=False),
yaxis4=dict(showticklabels=False),)
fig['layout'].update(margin=dict(l=0,r=0,b=0,t=40))
fig['layout'].update(height=150, width=700,)
return fig
@app.callback(Output('g13', 'figure'),
events=[Event('graph-update', 'interval')])
def update_graph_bar():
X = np.arange(0,-20,-1)
# set colors
c_1 = compare_volt(a2_V_list[5][0])
c_2 = compare_temp(a2_T_list[5][0])
c_3 = compare_volt(a2_V_list[2][0])
c_4 = compare_temp(a2_T_list[2][0])
trace1 = go.Bar(x=list(X), y=list(a2_V_list[5]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace2 = go.Bar(x=list(X), y=list(a2_T_list[5]),marker=dict(color= c_2), width=1.0,showlegend=False)
trace3 = go.Bar(x=list(X), y=list(a2_V_list[2]),marker=dict(color= c_1), width=1.0,showlegend=False)
trace4 = go.Bar(x=list(X), y=list(a2_T_list[2]),marker=dict(color= c_2), width=1.0,showlegend=False)
fig = tools.make_subplots(rows=1, cols=4, subplot_titles=('Voltage 6','Temperature 6',
'Voltage 3', 'Temperature 3'),
print_grid=False)
fig.append_trace(trace1, 1, 1)
fig.append_trace(trace2, 1, 2)
fig.append_trace(trace3, 1, 3)
fig.append_trace(trace4, 1, 4)
fig['layout']['yaxis1'].update(range=[10, 14])
fig['layout']['yaxis2'].update(range=[0, 60])
fig['layout']['yaxis3'].update(range=[10, 14])
fig['layout']['yaxis4'].update(range=[0, 60])
fig['layout'].update(xaxis1=dict(showticklabels=False),
yaxis1=dict(showticklabels=False),
xaxis2=dict(showticklabels=False),
yaxis2=dict(showticklabels=False),
xaxis3=dict(showticklabels=False),
yaxis3=dict(showticklabels=False),
xaxis4=dict(showticklabels=False),
yaxis4=dict(showticklabels=False),)
fig['layout'].update(margin=dict(l=0,r=0,b=0,t=40))
fig['layout'].update(height=150, width=700,)
return fig
external_css = ["https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css"]
for css in external_css:
app.css.append_css({"external_url": css})
external_js = ["https://code.jquery.com/jquery-3.3.1.slim.min.js",
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js",
"https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"]
for js in external_js:
app.scripts.append_script({"external_url": js})
##################################
# Helper Functions
##################################
def mean(numbers):
''' calculate mean '''
return float(sum(numbers)) / max(len(numbers), 1)
def compare_volt(value):
''' compare voltages and return color'''
low_thres = 10
high_thres = 14
if value < low_thres or value > high_thres:
color = 'rgb(255,0,0, 0.8)' # warning mode rot
else:
color = 'rgb(49,130,189, 0.8)' # normal mode blau
return color
def compare_temp(value):
''' compare temperatures and return color'''
low_thres = 0
high_thres = 60
if value < low_thres or value > high_thres:
color = 'rgb(255,0,0, 0.8)' # warning mode rot
else:
color = 'rgb(0,128,0,0.8)'# normal mode gruen
return color
##################################
# CAN Data Functions
##################################
def init_can():
''' Bring up the CAN interface '''
# Close can0 if still open
os.system("sudo /sbin/ip link set can0 down")
# Bring up can0 interface at 500kbps
os.system("sudo /sbin/ip link set can0 up type can bitrate 500000")
time.sleep(0.01)
# Connect to can0 interface
bus = can.interface.Bus(channel='can0', bustype='socketcan_native')
print('connected to can0 interface')
print('ready to send/receive can messages')
return bus
def can_msg_rv():
''' Put CAN messages into buffer '''
while True:
msg = bus.recv()
q.put(msg)
def filter_buffer(byte_list, msg_id):
''' a filter for CAN messages to sort into various buffers '''
byte2 = byte_list[1] + byte_list[2]
# convert from hex to dec
val_dec = int(byte2, 16) / 100
# filter into buffer (temperature and voltages)
for pos2 in range(1,num_sens+1):
for pos3 in range(1,cells+1):
if byte_list[0] == str(pos2) + str(pos3):
# sort for ID: 600 (Accu 1)
if msg_id == 600:
# sort for temperatures
if pos2 == 1:
a1_T_list[pos3-1].appendleft(val_dec)
# sort for voltages
if pos2 == 2:
a1_V_list[pos3-1].appendleft(val_dec)
# sort for ID: 602 (Accu 2)
if msg_id == 601:
# sort for temperatures
if pos2 == 1:
a2_T_list[pos3-1].appendleft(val_dec)
# sort for voltages
if pos2 == 2:
a2_V_list[pos3-1].appendleft(val_dec)
def can_data_loop():
''' pull data from buffer and put it into deques'''
while True:
if q.empty() != True:
msg = q.get()
if msg != None:
len_msg = len(msg.data)
# 1536= ID 600, 1537= ID 601 (Error Akku1),
msg_id = int('{0:x} '.format(msg.arbitration_id))
# check correct msg length
if len_msg == 3:
byte_list = [] # init empty bytestring
for pos in range(len_msg-1,-1,-1):
byte = '{0:x}'.format(msg.data[pos])
if len(byte) == 1:
byte = '0' + byte
byte_list.append(byte)
filter_buffer(byte_list, msg_id)
def run_dash_app():
''' run dash app in a thread '''
IP = '192.168.200.171' # pi hermans 192.168.200.171:9999
app.run_server(debug=False,use_reloader=False, host=IP,port= 9999)
### Insert here your IP-Address on your Raspberry PI !! ###
# for example: '192.168.200.1'
# and access the app your browser by entering: 192.168.200.1:9999
IP = '192.168.200.1' #
if __name__ == '__main__':
# Bring up the can0 Interface
bus = init_can()
# Start Threading
t1 = threading.Thread(target=can_msg_rv)
t2 = threading.Thread(target=can_data_loop)
t3 = threading.Thread(target=run_dash_app)
t1.start()
t2.start()
t3.start()
# for debugging (deactivate thread 3)
#app.run_server(debug=True, host=IP,port= 9999)