297 lines
7.7 KiB
Python
297 lines
7.7 KiB
Python
import json
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import os
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import numpy as np
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import math
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import matplotlib.pyplot as plt
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from eval_utility import slugify, cached, init_cache, load_env_config
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import matplotlib.ticker as ticker
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from matplotlib.ticker import PercentFormatter
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from matplotlib.ticker import (MultipleLocator, AutoMinorLocator)
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import matplotlib as mpl
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VOLTS = 3.0
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METHOD_PREFIX = 'export_'
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CONFIDENCE_FILL_COLOR = '0.8'
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NUM_NODES = 24
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def load_plot_defaults():
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# Configure as needed
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plt.rc('lines', linewidth=2.0)
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plt.rc('legend', framealpha=1.0, fancybox=True)
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plt.rc('errorbar', capsize=3)
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plt.rc('pdf', fonttype=42)
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plt.rc('ps', fonttype=42)
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plt.rc('font', size=8, family="serif", serif=['Times New Roman'] + plt.rcParams['font.serif'])
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#mpl.style.use('tableau-colorblind10')
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idle_avg = 0.00252
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idle_max = 0.02325
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IDLE_LABEL = 'idle'
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consumptions = {}
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durations = {}
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times_per_day = {}
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scaled_consumptions = {}
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raw_scaled_consumptions = {}
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def add_consumption(label, consumption_msrmnt, duration, tpd, repetitions=1):
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consumptions[label] = consumption_msrmnt
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durations[label] = duration/repetitions
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times_per_day[label] = tpd
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def calculate_usage_seconds_per_day(labels, normalize_with_idle=True):
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# we first calculate the times for each label
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usage_seconds = {
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IDLE_LABEL: 0
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}
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sum = 0
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for l in labels:
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if l == IDLE_LABEL:
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continue
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usage_seconds[l] = durations[l]*times_per_day[l]
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assert 0 <= usage_seconds[l] <= 24*3600.0
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sum += usage_seconds[l]
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if sum < 24*3600.0:
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usage_seconds[IDLE_LABEL] = 24*3600.0-sum # we spent the rest of the time idling!
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cons_per_day = {}
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for l in labels:
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cons_per_day[l] = usage_seconds[l] # also convert to ampere hours!
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return cons_per_day
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def calculate_consumption_per_day(labels, normalize_with_idle=True):
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# we first calculate the times for each label
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usage_seconds = {
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IDLE_LABEL: 0
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}
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sum = 0
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for l in labels:
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if l == IDLE_LABEL:
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continue
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usage_seconds[l] = durations[l]*times_per_day[l]
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assert 0 <= usage_seconds[l] <= 24*3600.0
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sum += usage_seconds[l]
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if sum < 24*3600.0:
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usage_seconds[IDLE_LABEL] = 24*3600.0-sum # we spent the rest of the time idling!
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cons_per_day = {}
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for l in labels:
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cons_per_day[l] = consumptions[l]*usage_seconds[l]*(1/3600.0) # also convert to ampere hours!
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return cons_per_day
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# calculate the remaining idle time
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# THE TOTAL EXPECTED AMOUNT PER DAY in milli ampere
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expected_consumption_per_day = 0.0
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idle_consumption = 0.00256
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add_consumption(IDLE_LABEL, idle_consumption, 1.0, 1.0)
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# ADVERTISING
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adv_interval = 0.250
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adv_consumptions = [
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2.45,
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2.47,
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2.41,
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2.35,
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2.47,
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2.39,
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2.45,
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2.47,
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2.49,
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2.45
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]
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adv_max_consumption = [
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7.66,
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8.31,
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6.96,
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7.3,
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7.77,
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7.6,
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8.55,
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6.94,
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7.14,
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6.85
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]
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# TODO: Add error bars if possible!
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# measured_duration
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# duration
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# repetitions
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adv_consumption = sum(list(per_adv_consumption.values())) / len(per_adv_consumption.values())
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add_consumption('adv', adv_consumption, 0.004, (24*3600)/0.25)
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# SCANNING
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scan_consumption = 6.01
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scan_consumption_max = 8.71
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add_consumption('scan', scan_consumption, 2.015, 24*60)
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crypt_duration = 0.01
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crypt_consumption_avg = 3.2
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crypt_consumption_max = 5.96
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add_consumption('daily_crypto', crypt_consumption_avg, 0.22, 10)
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# A table for the timings of the cryptographic fundamentals
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# One detailed graph as a comparison of the advertisements
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# One bar graph for each of the factors involved in the daily energy usage
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tek_check_duration = 0.020
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tek_check_amount = 32
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tek_check_consumption = 4
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# generate graph with keys to check
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# Worst case scenario: Flash is fully used!
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# we generate a bloom filter of all records!
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# How long does it take to create the bloom filter for the whole dataset?
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#64kByte
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# then check keys (i.e., maybe 32 teks at once?)
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# measure time
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# measure consumption
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# extrapolate numbers for more keys!
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# We then get keys to check
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# 1000, 10000, 100000
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def export_adv_consumption():
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xs = [per_adv_consumption[0], per_adv_consumption[-4], per_adv_consumption[-8], per_adv_consumption[-16], per_adv_consumption[-20], per_adv_consumption[-40]]
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ys = ['0', '-4', '-8', '-16', '-20', '-40']
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width = 0.6 # the width of the bars: can also be len(x) sequence
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fig, ax = plt.subplots()
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ax.set_ylabel('Avg. Advertising Current [µA]')
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ax.set_xlabel('TX Power [dBm]')
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bars = ax.bar(ys,xs)
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ax.bar_label(bars, padding=5, fmt='%.2f')
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#ax.set_title('')
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#ax.legend() # (loc='upper center', bbox_to_anchor=(0.5, -0.5), ncol=2)
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# Adapt the figure size as needed
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fig.set_size_inches(3.5, 3.2)
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plt.tight_layout()
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plt.savefig("../out/adv_consumption.pdf", format="pdf", bbox_inches='tight')
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plt.close()
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def export_consumption_per_day():
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cpd = calculate_consumption_per_day([
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IDLE_LABEL, 'adv', 'scan', 'generate_tek', 'derive_tek', 'derive_rpi', 'encrypt_aem'
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])
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print(sum(cpd.values()))
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ys = ['Idle', 'Adv.', 'Scan', 'Crypto\n(Daily)']
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xs = [cpd[IDLE_LABEL], cpd['adv'], cpd['scan'], cpd['generate_tek']+cpd['derive_tek']+cpd['derive_rpi']+ cpd['encrypt_aem']]
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fig, ax = plt.subplots()
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ax.set_ylabel('Avg. Consumption per Day [mA h]')
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ax.set_xlabel('Functionality')
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bars = ax.bar(ys,xs)
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ax.bar_label(bars, padding=5, fmt='%.2f')
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# Adapt the figure size as needed
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fig.set_size_inches(3.5, 3.2)
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plt.tight_layout()
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plt.savefig("../out/weighted_consumption.pdf", format="pdf", bbox_inches='tight')
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plt.close()
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def export_usage_seconds_per_day():
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cpd = calculate_usage_seconds_per_day([
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IDLE_LABEL, 'adv', 'scan', 'generate_tek', 'derive_tek', 'derive_rpi', 'encrypt_aem'
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])
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print(sum(cpd.values()))
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ys = ['Idle', 'Adv.', 'Scan', 'Crypto\n(Daily)']
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xs = [cpd[IDLE_LABEL], cpd['adv'], cpd['scan'], cpd['generate_tek']+cpd['derive_tek']+cpd['derive_rpi']+ cpd['encrypt_aem']]
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xs = [x/(24*3600) for x in xs]
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fig, ax = plt.subplots()
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ax.set_ylabel('Estimated Duration per Day [%]')
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ax.set_xlabel('Functionality')
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bars = ax.bar(ys,xs)
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ax.bar_label(bars, padding=5, fmt='%.2f')
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# Adapt the figure size as needed
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fig.set_size_inches(3.5, 3.2)
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plt.tight_layout()
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plt.savefig("../out/export_usage_seconds_per_day.pdf", format="pdf", bbox_inches='tight')
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plt.close()
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def export_current_per_functionality():
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ys = ['Idle', 'Adv.', 'Scan', 'Daily\nSecret', 'TEK', 'RPI', 'AEM']
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xs = [consumptions[IDLE_LABEL], consumptions['adv'], consumptions['scan'], consumptions['generate_tek'], consumptions['derive_tek'], consumptions['derive_rpi'], consumptions['encrypt_aem']]
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fig, ax = plt.subplots()
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ax.set_ylabel('Avg. Consumption [mA]')
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ax.set_xlabel('Functionality')
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bars = ax.bar(ys,xs)
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ax.bar_label(bars, padding=5, fmt='%.2f')
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# Adapt the figure size as needed
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fig.set_size_inches(4.5, 3.2)
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plt.tight_layout()
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plt.savefig("../out/current_per_functionality.pdf", format="pdf", bbox_inches='tight')
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plt.close()
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def export_tek_check():
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tek_check_duration = 0.020
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xs = [1000, 10000, 1000000]
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ys = [x*tek_check_duration for x in xs]
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xs = [str(x) for x in xs]
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fig, ax = plt.subplots()
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ax.set_ylabel('Extrapolated Time [s]')
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ax.set_xlabel('Number of TEKs')
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bars = ax.bar(xs,ys)
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ax.bar_label(bars, padding=5, fmt='%d')
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# Adapt the figure size as needed
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fig.set_size_inches(4.5, 3.2)
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plt.tight_layout()
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plt.savefig("../out/tek_check.pdf", format="pdf", bbox_inches='tight')
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plt.close()
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export_adv_consumption()
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export_usage_seconds_per_day()
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export_consumption_per_day()
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export_current_per_functionality()
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export_tek_check() |