# Draw a black filled box to clear the image.
draw.rectangle((0, 0, width, height), outline=0, fill=0)
# Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
cmd = "top -bn1 | grep load | awk '{printf \"CPU Load: %.2f\", $(NF-2)}'"
CPU = subprocess.check_output(cmd, shell=True)
cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%sMB %.2f%%\", $3,$2,$3*100/$2 }'"
MemUsage = subprocess.check_output(cmd, shell=True)
cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%dGB %s\", $3,$2,$5}'"
Disk = subprocess.check_output(cmd, shell=True)
# Write two lines of text.
draw.text((x, top),
"eth0: " + str(get_ip_address('eth0')),
font=font,
fill=255)
draw.text((x, top + 8),
"wlan0: " + str(get_ip_address('wlan0')),
font=font,
fill=255)
#draw.text((x, top+16), str(MemUsage.decode('utf-8')), font=font, fill=255)
draw.text((x, top + 16),
"battery: " + str(battery()) + ' volts',
font=font,
fill=255)
draw.text((x, top + 25), str(Disk.decode('utf-8')), font=font, fill=255)
# Display image.
disp.image(image)
# Load default font.
font = ImageFont.load_default()
while True:
value=ads.readVoltage(4)/1000.0
# Draw a black filled box to clear the image.
draw.rectangle((0,0,width,height), outline=0, fill=0)
# Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
cmd = "top -bn1 | grep load | awk '{printf \"CPU Load: %.2f\", $(NF-2)}'"
CPU = subprocess.check_output(cmd, shell = True )
cmd = "free -m | awk 'NR==2{printf \"Mem:%s/%sMB %.1f%%\", $3,$2,$3*100/$2 }'"
MemUsage = subprocess.check_output(cmd, shell = True )
cmd = "df -h | awk '$NF==\"/\"{printf \"Disk:%d/%dGB %s\", $3,$2,$5}'"
Disk = subprocess.check_output(cmd, shell = True )
# Write two lines of text.
draw.text((x, top), "eth0: " + str(get_ip_address('eth0')), font=font, fill=255)
draw.text((x, top+8), "wlan0: " + str(get_ip_address('wlan0')), font=font, fill=255)
draw.text((x, top+16), str(MemUsage.decode('utf-8')), font=font, fill=255)
draw.text((x, top+25), str(Disk.decode('utf-8')) + (" %.1f")%value, font=font, fill=255)
# Display image.
disp.image(image)
disp.display()
time.sleep(1)
# 128x32 display with hardware I2C:
import Adafruit_SSD1306
from PIL import Image, ImageDraw, ImageFont
from jetbot.utils.utils import get_ip_address
disp = Adafruit_SSD1306.SSD1306_128_32(rst=None, i2c_bus=1, gpio=1)
disp.begin()
print("ready")
disp.clear()
disp.display()
print("cleared")
width = disp.width
height = disp.height
image = Image.new('1', (width, height))
draw = ImageDraw.Draw(image)
draw.rectangle((0, 0, width, height), outline=0, fill=0)
font = ImageFont.load_default()
#draw.text((0,0), "eth0: " + str(get_ip_address('eth0')), font=font, fill=255)
draw.text((0, 8),
"wlan0: " + str(get_ip_address('wlan0')),
font=font,
fill=255)
draw.text((0, 16), "hallo", font=font, fill=255)
disp.image(image)
disp.display()
print("used")
cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%sMB %.2f%%\", $3,$2,$3*100/$2 }'"
MemUsage = subprocess.check_output(cmd, shell=True)
cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%dGB %s\", $3,$2,$5}'"
Disk = subprocess.check_output(cmd, shell=True)
# Write two lines of text.
try:
cmd = "cat /home/jetbot/jethead-stats.txt"
jethead_stats = str(
subprocess.check_output(cmd, shell=True).decode('utf-8'))
except:
jethead_stats = "unknown"
draw.text((x, top),
"eth0: " + str(get_ip_address('eth0')),
font=font,
fill=255)
#draw.text((x, top+8), "wlan0: " + str(get_ip_address('wlan0')), font=font, fill=255)
draw.text((x, top + 8), "jethead: " + jethead_stats, font=font, fill=255)
draw.text((x, top + 16),
str(MemUsage.decode('utf-8')),
font=font,
fill=255)
draw.text((x, top + 25), str(Disk.decode('utf-8')), font=font, fill=255)
# Display image.
disp.image(image)
disp.display()
time.sleep(1)
# Could replace line spacing with disp2.getFontHeight, but doesn't scale properly
# Screen Width
import qwiic_micro_oled
LCDWIDTH = qwiic_micro_oled._LCDWIDTH
except OSError as err:
print("OS error: {0}".format(err))
time.sleep(5)
while True:
# Check Eth0, Wlan0, and Wlan1 Connections---------------------------------
a = 0 # Indexing of Connections
# Checks for Ethernet Connection
try:
eth = get_ip_address('eth0')
if eth != None:
a = a + 1
except Exception as e:
print(e)
# Checks for WiFi Connection on wlan0
try:
wlan0 = get_ip_address('wlan0')
if wlan0 != None:
a = a + 2
except Exception as e:
print(e)
# Checks for WiFi Connection on wlan1
try:
disp.set_font_type(0) # Set Font
# Could replace line spacing with disp.getFontHeight, but doesn't scale properly
# Display Flame (set in begin function)-------------------------------------
disp.display()
time.sleep(5) #Pause 10 sec
while True:
# Checks Eth0 and Wlan0 Connections---------------------------------
a = 0
b = 0
c = 0
# Checks for Ethernet Connection
try:
eth = get_ip_address('eth0')
if eth != None:
a = a + 1
#Check String Length
if len(eth) > 10:
# Find '.' to loop numerals
while b != -1:
x1 = LCDWIDTH - disp._font.width * (len(eth) - b)
i = b + 1
b = eth.find('.', i)
except Exception as e:
print(e)
# Checks for WiFi Connection
