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Make buttons to have diff functions

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This commit is contained in:
pangduckwai
2019-04-26 02:45:31 +08:00
parent 7c7bd31959
commit 67c04e1ab4
1 changed files with 42 additions and 18 deletions
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monitor.py
+42 -18
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@@ -10,6 +10,7 @@ import RPi.GPIO as GPIO
import sys
import time
import subprocess
import os
from PIL import Image
from PIL import ImageDraw
@@ -59,22 +60,41 @@ state = 0
stamp = time.time()
start = time.time()
def end_process(channel):
os.system("sudo shutdown -h now")
def draw_process(channel):
with canvas(device) as draw:
DTTM = subprocess.check_output("date +\"%Y-%m-%d %H:%M:%S\"", shell = True)
ADDR = subprocess.check_output("hostname -I | awk '{printf \"IP : %s\", $1}'", shell = True )
CPUL = subprocess.check_output("top -bn1 | awk 'NR==3{printf \"CPU : %.1f%% idle\", $8}'", shell = True )
MEMU = subprocess.check_output("free -m | awk 'NR==2{printf \"Mem : %s/%sMB %.2f%%\", $3,$2,$3*100/$2 }'", shell = True )
DISK = subprocess.check_output("df -h | awk '$NF==\"/\"{printf \"Disk: %d/%dGB %s\", $3,$2,$5}'", shell = True )
TEMP = subprocess.check_output("/opt/vc/bin/vcgencmd measure_temp | awk '{gsub(/temp=/,\"\"); printf \"Temp: %s\", $0}'", shell = True )
# or use this for temperature? cat /sys/class/thermal/thermal_zone0/temp
LINE0 = subprocess.check_output("date +\"%Y-%m-%d %H:%M:%S\"", shell = True)
LINE1 = ""
LINE2 = ""
LINE3 = ""
LINE4 = ""
LINE5 = ""
if channel == BTN1_PIN:
LINE1 = subprocess.check_output("hostname -I | awk '{printf \"IP :%s\", $1}'", shell = True )
LINE3 = subprocess.check_output("top -bn1 | awk 'NR==3{printf \"CPU:%.1f%% idle\", $8}'", shell = True )
LINE4 = subprocess.check_output("free -mh | awk 'NR==2{printf \"Mem:%s/%s %.1f%%\", $3,$2,$3*100/$2 }'", shell = True )
LINE5 = subprocess.check_output("cat /sys/class/thermal/thermal_zone0/temp | awk '{printf \"Tmp:%.1fC\", $1/1000}'", shell = True )
elif channel == BTN2_PIN:
ssid = subprocess.check_output("iwgetid --raw | awk '{printf \"Net: %s\", $0}'", shell = True)
freq = subprocess.check_output("iwgetid --freq | awk '{gsub(/Frequency:/,\"\"); printf \" %.1f %s\", $2,$3}'", shell = True)
LINE2 = subprocess.check_output("df -h /mnt/usb | awk '$NF==\"/mnt/usb\"{printf \"USB:%s/%s %s\", $3,$2,$5}'", shell = True )
LINE3 = ssid + freq
LINE4 = " in Kbps out Kbps"
LINE5 = subprocess.check_output("ifstat -bT 0.1 1 | awk 'NR==3{printf \"%9.2f %9.2f\",$3,$4}'", shell = True)
elif channel == BTN3_PIN:
LINE2 = " Shutdown?"
LINE4 = " Yes No"
else:
pass
draw.text((xpos, top), str(DTTM), font=font, fill=255)
draw.text((xpos, top+12), str(ADDR), font=font, fill=255)
draw.text((xpos, top+20), str(CPUL), font=font, fill=255)
draw.text((xpos, top+28), str(MEMU), font=font, fill=255)
draw.text((xpos, top+36), str(DISK), font=font, fill=255)
draw.text((xpos, top+45), str(TEMP), font=font, fill=255)
draw.text((xpos, top), LINE0, font=font, fill=255)
draw.text((xpos, top+12), LINE1, font=font, fill=255)
draw.text((xpos, top+22), LINE2, font=font, fill=255)
draw.text((xpos, top+32), LINE3, font=font, fill=255)
draw.text((xpos, top+42), LINE4, font=font, fill=255)
draw.text((xpos, top+52), LINE5, font=font, fill=255)
def main_process(channel):
global serial
@@ -84,22 +104,26 @@ def main_process(channel):
global start
if state <= 0: # Display is off
if channel > 0: # A button is pressed, turn on display
state = channel
start = time.time()
# Initialize the display...
serial = spi(device=0, port=0, bus_speed_hz = 8000000, transfer_size = 4096, gpio_DC = DC_PIN, gpio_RST = RST_PIN)
device = sh1106(serial, rotate=2) #sh1106
image = Image.new('1', (width, height))
draw = ImageDraw.Draw(image)
draw.rectangle((0,0,width,height), outline=0, fill=0)
state = channel
start = time.time()
draw_process(channel)
else:
pass
else: # Display is on
if (channel > 0) or ((stamp - start) > SCREEN_SAVER): # A button is pressed or timed out, turn off display
if ((channel > 0) and (channel == state)) or ((stamp - start) > SCREEN_SAVER): # A button is pressed or timed out, turn off display
GPIO.output(RST_PIN,GPIO.LOW)
state = 0
elif (channel > 0) and (channel != state):
state = channel
start = time.time()
draw_process(channel)
else: # state > 0 && channel == 0 && not-yet-timeout, refresh screen
draw_process(state)
@@ -109,7 +133,7 @@ GPIO.add_event_detect(BTN2_PIN, GPIO.RISING, callback=main_process, bouncetime=2
GPIO.add_event_detect(BTN3_PIN, GPIO.RISING, callback=main_process, bouncetime=200)
try:
main_process(JS_P_PIN)
main_process(BTN1_PIN)
while True:
stamp = time.time()
main_process(0)