1.3" OLED Display HAT for Raspberry Pi by Waveshare (SH1106)

monitor.py

#!/usr/bin/env python3
# -*- coding:utf-8 -*-
# -*- coding:utf-8 -*-

""" RPi0W 20FEB2020_0400_nonTesting
Linux alarmpi 4.19.102-1-ARCH #1 SMP PREEMPT Sun Feb 9 19:27:01 UTC 2020 armv6l GNU/Linux

Original by pangduckwai (github.com/pangduckwai/)
raw.githubusercontent.com/pangduckwai/PiDisplay/master/monitor.py

LUMA.OLED : github.com/rm-hull/

#$ sudo pacman install ifstat
#$ sudo pip install psutil
"""

from __future__ import unicode_literals
from datetime import datetime

from luma.core.interface.serial import i2c, spi
from luma.core.render import canvas
from luma.core import lib

from luma.oled.device import sh1106
import RPi.GPIO as GPIO

import sys
import time
import subprocess
import os
import string

from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont


if os.geteuid() != 0:
	sys.exit('{}: Operation not permitted'.format(os.geteuid()))
if os.name != 'posix':
    sys.exit('{} Platform not supported'.format(os.name))
try:
    import psutil
except ImportError:
    print("The psutil library was not found. Run 'sudo -H pip install psutil' to install it.")
    sys.exit()

import signal
def keyboardInterruptHandler(signal, frame ):
	print( " KeyboardInterrupt (ID: {}) has been caught. Cleaning up..." . format(signal ))
	GPIO.cleanup()
	exit(0)
signal.signal(signal.SIGINT, keyboardInterruptHandler)

#GPIO define
RST_PIN  = 25 #Reset
CS_PIN   = 8
DC_PIN   = 24
JS_U_PIN = 6  #Joystick Up
JS_D_PIN = 19 #Joystick Down
JS_L_PIN = 5  #Joystick Left
JS_R_PIN = 26 #Joystick Right
JS_P_PIN = 13 #Joystick Pressed
BTN1_PIN = 21
BTN2_PIN = 20
BTN3_PIN = 16

# Some constants
SCREEN_LINES = 4
SCREEN_SAVER = 20.0
CHAR_WIDTH = 19
font = ImageFont.load_default() # char in line: 19
#print(font.getname())
#print(font.getsize('0000000000000000000'))
width = 128
height = 64
x0 = 0
x1 = 84
y0 = -2
y1 = 12
x2 = x1+7
x3 = x1+14
x4 = x1+9
x5 = x2+9
x6 = x3+9

""" Arrow Select
	     2
	   / |
	  /  |_________
	 /   3       4|
	1             |
	 \   6_______5|
	  \  |
	   \ |
	     7
"""
arrowX = 127 - x3 + 5 # -(-5) ArrowX4&5
arrowX_1 = +3+arrowX
arrowX_2 = +arrowX
arrowY_2 = +3
arrowX_3 = arrowX
arrowX_4 = -5+arrowX
arrowX_5 = arrowX_4
arrowX_6 = arrowX
arrowX_7 = arrowX
arrowY_7 = -3

choices = [ #                                                                                            "z"] # 25
	["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","-"],
	["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","_"],
	["0","1","2","3","4","5","6","7","8","9","!","@","#","$","%","^","&","*","(",")",",",".","?",":",";","'"," "]
]

# init GPIO
GPIO.setmode(GPIO.BCM) 
GPIO.setup(JS_U_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(JS_D_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(JS_L_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(JS_R_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(JS_P_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(BTN1_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(BTN2_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up
GPIO.setup(BTN3_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Input with pull-up

# 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
draw = ImageDraw.Draw(Image.new('1', (width, height)))
draw.rectangle((0,0,width,height), outline=0, fill=0)

state = 0 #System state: 0 - scrren is off; equal to channel number (e.g. BTN2_PIN, JS_P_PIN) otherwise
horz = 1 #Selection choice: 0 - Right; 1 - Left
horz_max = 5 # 0(1) 1(2) 2(3) 3(4) 4(5)
vert = 3 # 3 #Selection choice: 1 - Top; 2 - Middle; 3 - Bottom
stamp = time.time() #Current timestamp
start = time.time() #Start screen saver count down
iface = ""
_2idxWin = 0
_2idxLen = 0
_2aplist = []
_2apIndx = -1
_2pwdLst = []
_2pwdLst = ['p', '4', '5', '5', '_', 'r', 'P', 'i', 'z', '_', 'W', '0', 'r', 'd']
_2pwdLen = 0
_2pwdLen = 14
_2chaSel = 1 #possible values: 0, 1, 2
_2ssid = ''

test = 0 # For testing!@1!!!!!!!!!!!!!!!!!!!!




def bytes2human(n):
	"""
	>>> bytes2human(10000)
	'9K'
	>>> bytes2human(100001221)
	'95M'
	"""
	symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
	prefix = {}
	for i, s in enumerate(symbols):
		prefix[s] = 1 << (i + 1) * 10
	for s in reversed(symbols):
		if n >= prefix[s]:
			value = int(float(n) / prefix[s])
			return '%s%s' % (value, s)
	return "%sB" % n

def sys_usage():
	# uptime
	uptime = datetime.now() - datetime.fromtimestamp(psutil.boot_time())
	# 4:20:17.237432
	return "%s" \
		% (str(uptime).split('.')[0])

def cpu_avg():
	#"top -bn1 | awk 'NR==3{printf \"CPU:%.1f%% idle\", $8}'"
	#"free -mh | awk 'NR==2{printf \"Mem:%s/%s %.1f%%\", $3,$2,$3*100/$2 }'"
	# load average
	average = psutil.getloadavg()
	#av1, av2, av3 = os.getloadavg()
	return "%.2f  %.2f  %.2f" \
		% (average) #av1, av2, av3)

def s_temp(sensor):
	#"cat /sys/class/thermal/thermal_zone0/temp | awk '{printf \"Temp:%.1fC\", $1/1000}'"
	stat = psutil.sensors_temperatures(fahrenheit=False)[sensor]
	# {'cpu-thermal': [shwtemp(label='', current=41.16, high=None, critical=None)]}
	for entry in stat:
		return "%s" \
			% (entry.current)

def mem_usage():
	usage = psutil.virtual_memory()
	# svmem(total=453713920, available=344596480, percent=24.0, used=53592064, free=260489216, active=115425280, inactive=41242624, buffers=28708864, cached=110923776, shared=3297280, slab=24227840)
	return "%s (%s)" \
		% (bytes2human(usage.used), str(usage.percent)+'%')

def disk_usage(dir):
	#"df -h /mnt/usb | awk '$NF==\"/mnt/usb\"{printf \"Disk:%s/%s %s\", $3,$2,$5}'"
	usage = psutil.disk_usage(dir)
	# sdiskusage(total=15385776128, used=2261024768, free=12466286592, percent=15.4)
	return "%s (%s)" \
		% (bytes2human(usage.used), str(usage.percent)+'%')

def network(iface):
	try:
		stat = psutil.net_io_counters(pernic=True)[iface]
		# snetio(bytes_sent=1932595088, bytes_recv=64763177, packets_sent=1405372, packets_recv=946643, errin=0, errout=0, dropin=0, dropout=0)
		ifaceX = iface[:2] + iface[-2:]  #2 'wl' ... -2 'n0' / -1 '0'
		return "U:%s %s D:%s" % \
			(bytes2human(stat.packets_sent), ifaceX, bytes2human(stat.packets_recv))
	except:
		return "U:-- %s D:--" % (iface)

def address(iface):
	try:
		stat = psutil.net_if_addrs()[iface][0] # [0] IPv4 [1] MAC
		# [snicaddr(family=<AddressFamily.AF_INET: 2>, address='192.168.43.118', netmask='255.255.255.0', broadcast='192.168.43.255', ptp=None), snicaddr(family=<AddressFamily.AF_PACKET: 17>, address='b8:27:eb:c6:ed:59', netmask=None, broadcast='ff:ff:ff:ff:ff:ff', ptp=None)]
		# snicaddr(family=<AddressFamily.AF_INET: 2>, address='192.168.43.118', netmask='255.255.255.0', broadcast='192.168.43.255', ptp=None)
		return "%s" % \
			(str(stat.address))
	except:
		return "000.000.000.000"
def alladdress(numb):
	try:
		addresses = psutil.net_if_addrs()
		stats = psutil.net_if_stats()

		available_networks = []
		for intface, addr_list in addresses.items():
		        if any(getattr(addr, 'address').startswith("169.254") for addr in addr_list):
		                continue
		        elif intface in stats and getattr(stats[intface], "isup"):
		                available_networks.append(intface)

		#print(available_networks)
		return address(available_networks[numb])
	except:
		return "000.000.000.000"

	"""for value in available_networks:
	        if value == 'lo':
	                continue
	        else:
	                address(value)"""

def clock():
	#"date +\"%Y-%m-%d %H:%M:%S\""
	now = datetime.now()
	today_date = now.strftime("%d-%b-%Y")
	today_time = now.strftime("%H:%M:%S")
	return "%s %s" % \
		(today_date, today_time)

def wifinfo(iface):
	try:
		#"iwgetid --raw | awk '{printf \"WiFi:%s\", $0}'"
		#"iwgetid --freq | awk '{gsub(/Frequency:/,\"\"); printf \" %.1f %s\", $2,$3}'"
		cmd = "iw dev "+ iface +" link | grep 'SSID:' | sed  's/\tSSID: //g'"
		return '@' + str(subprocess.check_output(cmd, shell = True),'utf-8')
	except:
		return ""

def stations(iface):
	try: # pkg iw
		cmd = "iw dev " + iface + " station dump 2>&1 | grep -c 'Station' | awk '{printf \"%s\", $1}'" #%03d
		return str(subprocess.check_output(cmd, shell = True),'utf-8')
	except:
		return ""

def iphostname(line):
	try:
		#cmd = "hostname --ip-addresses | cut -d' ' -f" + line
		cmd = "hostname -I | cut -d' ' -f" + line
		#cmd = "echo $(curl -s 'http://wttr.in/Santiago, Chile?m&format=Stgo%20%t' || echo '(*_*)/) !')"
		#cmd = "echo $(curl -s 'http://icanhazip.com/' || echo '000.000.000.000')" # $(curl -s 'https://ipinfo.io/country' || echo '--')"
		return str(subprocess.check_output(cmd, shell = True),'utf-8')
	except:
		return ""

def netstat_psi():
	try:
		cmd = "netstat -putanel | grep 8081 | grep -o 'psiphon' | head -n1 | awk '{printf \"%s\", $1}'"
		psi = str(subprocess.check_output(cmd, shell = True),'utf-8')
		cmd = 'pgrep psiphon3-armv6'
		pssi = str(subprocess.check_output(cmd, shell = True),'utf-8')
		if psi == 'psiphon':
			return "HTTP://8081 PID"+ pssi
		else:
			return ""+ pssi
	except:
		return ""

def udevice():
	try: # pkg ?
		#cmd = "find /dev/ -name \"ttyUSB*\" | grep 'ttyUSB[01]' > /dev/null 2>&1 && printf 'H' || printf ''" # Device
		cmd = "lsusb | grep '12d1:14db' > /dev/null 2>&1 && printf 'H' || printf ''" # Device
		return str(subprocess.check_output(cmd, shell = True),'utf-8')
	except:
		return ""









def click_b1(channel):
	global _2chaSel
	if state == BTN1_PIN:
		main_fun(channel)
	else:
		if _2apIndx < 0:
			main_fun(BTN1_PIN)
		else:
			if _2chaSel > 0:
				_2chaSel = _2chaSel - 1
				_2pwdLst[horz] = choices[_2chaSel][vert]
				main_fun(BTN2_PIN)

def click_b3(channel):
	global start
	global vert
	global _2apIndx
	global _2chaSel
	if state == BTN3_PIN:
		_2apIndx = -1
		if vert == 1:
			if horz == 1:
				main_fun(911)
				#$#os.system
				subprocess.call(['halt','--reboot'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			elif horz == 2:
				main_fun(912)
				#$#os.system
				subprocess.call(['halt','--halt','--force'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			elif horz == 3:
				main_fun(913)
				#$#os.system
				subprocess.call(['halt','--reboot','--force'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			elif horz == 4:
				main_fun(914)
				#$#os.system
				subprocess.call(['echo','14'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			else:
				main_fun(910)
				#$#os.system
				subprocess.call(['halt','--halt'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
		elif vert == 2:
			if horz == 1:
				main_fun(921)
				#$#os.system
				cmd='export https_proxy="http://127.0.0.1:8081" ; export http_proxy="http://127.0.0.1:8081" ; psiphon3 > /dev/null 2>&1 < /dev/null'
				subprocess.check_output(cmd, shell = True)
				start = stamp - SCREEN_SAVER + 5
			elif horz == 2:
				main_fun(922)
				#$#os.system
				cmd='psiphon3-kill > /dev/null 2>&1 < /dev/null'
				subprocess.check_output(cmd, shell = True)
				start = stamp - SCREEN_SAVER + 5
			elif horz == 3:
				main_fun(923)
				#$#os.system
				cmd='export https_proxy="" ; export http_proxy="" ; psiphon3-stop > /dev/null 2>&1 < /dev/null'
				subprocess.check_output(cmd, shell = True)
				start = stamp - SCREEN_SAVER + 5
			elif horz == 4:
				main_fun(924)
				#$#os.system
				subprocess.call(['echo','24'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			else:
				main_fun(920)
				#$#os.system
				cmd='/usr/local/bin/modem_subi > /dev/null 2>&1 < /dev/null'
				subprocess.check_output(cmd, shell = True)
				start = stamp - SCREEN_SAVER + 5
		elif vert == 3:
			if horz == 1:
				main_fun(931)
				#$#os.system
				#subprocess.call(['echo','31'], shell=False)
				cmd='/usr/local/bin/psiphon3-hpon > /dev/null 2>&1 < /dev/null'
				subprocess.check_output(cmd, shell = True)
				start = stamp - SCREEN_SAVER + 5
			elif horz == 2:
				main_fun(932)
				#$#os.system
				subprocess.call(['echo','32'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			elif horz == 3:
				main_fun(933)
				#$#os.system
				subprocess.call(['echo','33'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			elif horz == 4:
				main_fun(934)
				#$#os.system
				subprocess.call(['echo','34'], shell=False)
				#start = stamp - SCREEN_SAVER + 5
			else:
				main_fun(930)
				#$#os.system
				#subprocess.call(['echo','30'], shell=False)
				cmd='/usr/local/bin/psiphon3-hpoff > /dev/null 2>&1 < /dev/null'
				subprocess.check_output(cmd, shell = True)
				start = stamp - SCREEN_SAVER + 5
		else:
			main_fun(BTN1_PIN)
	else:
		if _2apIndx < 0:
			vert = 4 # 3 # Default
			main_fun(BTN3_PIN)
		else:
			if _2chaSel < 2:
				_2chaSel = _2chaSel + 1
				_2pwdLst[horz] = choices[_2chaSel][vert]
				main_fun(BTN2_PIN)

def click_b2(channel):
	global _2aplist
	global _2idxWin
	global _2idxLen
	global start
	global vert
	global test

	global horz

	start = time.time()

	if _2apIndx >= 0:
		main_fun(299)
		#print(''.join(_2pwdLst)) #TODO change password for real...
		print('VALUE:['+ str(_2ssid) +'] TEXT:['+ ''.join(_2pwdLst) +']')

		cmd='systemctl stop wpa_supplicant@'+ iface +'.service'
		subprocess.check_output(cmd, shell = True)
		cmd='systemctl enable wpa_supplicant@'+ iface +'.service'
		subprocess.check_output(cmd, shell = True)


		#if (os.path.exists('/tmp/') and os.path.isfile('/tmp/'+'wpa_supplicant.txt')):
		kfile = open('/tmp/mon_wpa_s.key','w')
		kfile.write(''.join(_2pwdLst))
		kfile.close()
		ckfile = open('/etc/wpa_supplicant/wpa_supplicant-wlan0.conf','w')
		#ckfile = open('/tmp/mon_wpa_s.cfg','w')
		ckfile.write('country=US\n')
		ckfile.write('ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=0\n')
		ckfile.write('eapol_version=1\n')
		ckfile.write('update_config=1\n')
		ckfile.write('ap_scan=1\n')
		ckfile.write('fast_reauth=1\n')
		ckfile.write('network={\n')
		ckfile.write(' ssid=\"'+ str(_2ssid) +'\"\n')
		ckfile.write(' scan_ssid=1\n')
		ckfile.write(' psk=\"'+ ''.join(_2pwdLst) +'\"\n')
		ckfile.write(' priority=1\n')
		ckfile.write('}\n')
		ckfile.close()

		cmd='systemctl start wpa_supplicant@'+ iface +'.service'
		subprocess.check_output(cmd, shell = True)

		# systemctl disable [email protected]
		# systemctl stop [email protected]
		"""cmd='pkill dhcpcd ; pkill wpa_supplicant'
		cmd='dhcpcd -x '+ iface +' &'
		#'wpa_supplicant -B -i '+ iface +' -c <(wpa_passphrase '+ str(_2ssid) +' < /tmp/mon_wpa_s.key)'
		cmd='wpa_supplicant -B -D nl80211,wext -i '+ iface +' -c /tmp/mon_wpa_s.cfg &'
		cmd='dhcpcd -q -w -t 0 '+ iface +' &'"""
		
		start = stamp - SCREEN_SAVER + 5
		
		horz = 0
	else:
		# Array [] # Dictionary {}
		result = os.popen("iwlist {0} scan 2>/dev/null | grep '^..*ESSID:\"..*\"$' | sed 's/^.*ESSID:\"\\(..*\\)\".*$/\\1/'".format(iface)).read()
		'''
		result = """rline01
		rline02
		rline03
		rline04
		rline05
		rline06"""
		'''
		_2aplist = result.splitlines()

		_2idxLen = len(_2aplist)
		if (_2idxWin + SCREEN_LINES) > _2idxLen:
			_2idxWin = _2idxLen - SCREEN_LINES
			if _2idxWin < 0:
				_2idxWin = 0

		if vert > _2idxLen:
			vert = _2idxLen

		main_fun(channel)

def select_h(channel):
	global _2apIndx
	global start
	global _2pwdLen
	global horz
	global vert
	if state == BTN2_PIN:
		if _2apIndx < 0: #select ssid mode
			if channel == JS_L_PIN or channel == JS_R_PIN:
				start = time.time()
				_2apIndx = _2idxWin + vert - 1
				_2pwdLen = len(_2pwdLst)
				if (_2pwdLen > 0):
					horz = _2pwdLen - 1
				else:
					horz = 0
			"""
			elif channel == JS_L_PIN:
				start = time.time()
				_2apIndx = -1 #Exit input mode
				horz = 0
				vert = 1
			"""
		else: #input mode
			if channel == JS_L_PIN:
				start = time.time()
				if horz > 0:
					horz = horz - 1
				else:
					_2apIndx = -1 #Exit input mode
					horz = 0
					vert = 1
			elif channel == JS_R_PIN:
				start = time.time()
				if horz < _2pwdLen:
					horz = horz + 1
	else:
		# Horizontal move <-[][][]->
		if channel == JS_L_PIN:
			start = time.time()
			#horz = 1
			if horz == 0:
				horz = 1
			elif horz == 1:
				horz = 2
			elif horz == 2:
				horz = 3
			elif horz == 3:
				horz = 4
			elif horz == 4:
				horz = 0
			draw_scn(state)
		elif channel == JS_R_PIN:
			start = time.time()
			#horz = 0
			if horz == 0:
				horz = 4
			elif horz == 4:
				horz = 3
			elif horz == 3:
				horz = 2
			elif horz == 2:
				horz = 1
			elif horz == 1:
				horz = 0
			draw_scn(state)
		else:
			pass

def select_v(channel):
	global _2idxWin
	global start
	global vert
	if state == BTN2_PIN:
		if _2apIndx < 0: #select ssid mode
			if channel == JS_U_PIN:
				start = time.time()
				if vert > 1:
					vert = vert - 1
				elif _2idxWin > 0:
					_2idxWin = _2idxWin - 1
			elif channel == JS_D_PIN:
				start = time.time()
				if vert < 4 and vert < _2idxLen:
					vert = vert + 1
				elif (_2idxWin + SCREEN_LINES) < _2idxLen:
					_2idxWin = _2idxWin + 1
			else:
				pass
		else: #input mode
			if channel == JS_U_PIN:
				start = time.time()
				if vert > 0:
					vert = vert - 1
				else:
					vert = 26 # 25
			elif channel == JS_D_PIN:
				start = time.time()
				if vert < 26:  # 25
					vert = vert + 1
				else:
					vert = 0
			_2pwdLst[horz] = choices[_2chaSel][vert]
	else:
		if vert > 4: # 3
			vert = 4 # 3
		if channel == JS_U_PIN:
			start = time.time()
			if vert > 1:
				vert = vert - 1
			else:
				vert = 4
		elif channel == JS_D_PIN:
			start = time.time()
			if vert < 4: # 3
				vert = vert + 1
			else:
				vert = 1
		else:
			pass

def draw_scn(channel):
	global _2idxLen
	global _2pwdLen
	global _2apIndx
	global _2ssid
	with canvas(device) as draw:
		LINE0 = clock()
		LINE1 = ""
		LINE2 = ""
		LINE3 = ""
		LINE4 = ""
		if channel == BTN1_PIN:
			if horz == 1:
				LINE1 = "1 LINEA --- 01"
				LINE1 = network('wlan0')
				LINE2 = "1 LINEA --- 02"
				LINE2 = address('wlan0') + ' ' + stations('wlan0')
				LINE3 = "1 LINEA --- 03"
				LINE3 = wifinfo('wlan0')
				#'for_RPi0W:p455_rPiz_W0rd'#
				LINE4 = "1 LINEA --- 04"
				LINE4 = netstat_psi()
			elif horz == 2:
				LINE1 = "2 LINEA --- 01"
				LINE1 = disk_usage('/')
				LINE2 = "2 LINEA --- 02"
				LINE2 = mem_usage() + ' ' + s_temp('cpu-thermal')
				LINE3 = "2 LINEA --- 03"
				LINE3 = cpu_avg()
				LINE4 = "2 LINEA --- 04"
				LINE4 = sys_usage() # + ' ' + s_temp('cpu-thermal')
			elif horz == 3:
				LINE1 = "3 LINEA --- 01"
				#LINE1 = iphostname('1')
				LINE1 = alladdress(2)
				LINE2 = "3 LINEA --- 02"
				#LINE2 = iphostname('2')
				LINE2 = alladdress(3)
				LINE3 = "3 LINEA --- 03"
				#LINE3 = iphostname('3')
				LINE3 = alladdress(4)
				LINE4 = "3 LINEA --- 04"
				#LINE4 = iphostname('4')
				LINE4 = alladdress(1)
			elif horz == 4:
				LINE1 = "4 LINEA --- 01"
				LINE2 = "4 LINEA --- 02"
				LINE3 = "4 LINEA --- 03"
				LINE4 = "4 LINEA --- 04"
			else:
				LINE1 = "0 LINEA --- 01"
				LINE1 = network('wlan1')
				LINE2 = "0 LINEA --- 02"
				LINE2 = address('wlan1') + ' ' + stations('wlan1')
				LINE3 = "0 LINEA --- 03"
				LINE3 = network('eth0')
				LINE4 = "0 LINEA --- 04"
				LINE4 = address('eth0') # network('tun0')


			thumb_s_mh = 127 / horz_max
			thumb_h_mh = thumb_s_mh * horz_max
			horz_mh = horz + 1
			thumb_0_mh = thumb_h_mh - horz_mh * thumb_s_mh
			thumb_1_mh = thumb_h_mh - horz * thumb_s_mh
			if thumb_1_mh > 127:
				thumb_1_mh = 127
			draw.rectangle((0,61,127,63), outline=255, fill=0) # Horz Scroll
			draw.rectangle((thumb_0_mh,61,thumb_1_mh,63), outline=255, fill=1) # Horz Scroll
			"""
			vert_mv = vert - 1
			thumb_s_mv = 28.0 / 4
			thumb_h_mv = thumb_s_mv * 4
			thumb_0_mv = vert_mv * thumb_s_mv + 12
			thumb_1_mv = thumb_0_mv + thumb_h_mv
			if thumb_1_mv > 60:
				thumb_1_mv = 60
			draw.rectangle((125,12,127,60), outline=255, fill=0) # Vert Scroll
			draw.rectangle((125, thumb_0_mv, 127, thumb_1_mv), outline=255, fill=1) # Vert Scroll
			"""

			"""
			if vert == 1:
					LINE1 = "> " + LINE1
			elif vert == 2:
					LINE2 = "> " + LINE2
			elif vert == 3:
					LINE3 = "> " + LINE3
			elif vert == 4:
					LINE4 = "> " + LINE4
			"""

		elif channel == BTN3_PIN:
			y2 = y1*vert
			LINE1 = "| System..."
			LINE2 = "| Proxy..."
			LINE3 = "| Others3..."
			LINE4 = "| Cancel"

			# LINE3 = "> XXXXXXXXXXXXXXXXX" # ~17ch
			if vert == 1:
				if horz == 1:
					LINE1 = "> Reboot"
				elif horz == 2:
					LINE1 = "> Halt Force"
				elif horz == 3:
					LINE1 = "> Reboot Force"
				elif horz == 4:
					LINE1 = "> Others14"
				else:
					LINE1 = "> Halt"
			elif vert == 2:
				if horz == 1:
					LINE2 = "> Start Psi3"
				elif horz == 2:
					LINE2 = "> Kill Psi3"
				elif horz == 3:
					LINE2 = "> Stop Psi3"
				elif horz == 4:
					LINE2 = "> Others24"
				else:
					LINE2 = "> SubInterface"
			elif vert == 3:
				if horz == 1:
					LINE3 = "> Others31off"
				elif horz == 2:
					LINE3 = "> Others32"
				elif horz == 3:
					LINE3 = "> Others33"
				elif horz == 4:
					LINE3 = "> Others34"
				else:
					LINE3 = "> Others30on"
			else:
				LINE4 = "> Cancel"

			""" # Arrow Select
			if vert == 1:
				if horz == 1:
					draw.polygon([(x4,y2+6),(x5,y2-1),(x5,y2+4),(x6,y2+4),(x6,y2+8),(x5,y2+8),(x5,y2+13)], outline=255, fill=0)
					draw.polygon([(x1,y2+6),(x2,y2-1),(x2,y2+4),(x3,y2+4),(x3,y2+8),(x2,y2+8),(x2,y2+13)], outline=255, fill=1)
				else:
					draw.polygon([(x1,y2+6),(x2,y2-1),(x2,y2+4),(x3,y2+4),(x3,y2+8),(x2,y2+8),(x2,y2+13)], outline=255, fill=0)
					draw.polygon([(x4,y2+6),(x5,y2-1),(x5,y2+4),(x6,y2+4),(x6,y2+8),(x5,y2+8),(x5,y2+13)], outline=255, fill=1)
			else:
				draw.polygon([(x1,y2+6),(x2,y2-1),(x2,y2+4),(x3,y2+4),(x3,y2+8),(x2,y2+8),(x2,y2+13)], outline=255, fill=1)
			"""

			draw.polygon([(x1+arrowX_1,y2+6),(x2+arrowX_2,y2-1+arrowY_2),(x2+arrowX_3,y2+4),(x3+arrowX_4,y2+4),(x3+arrowX_5,y2+8),(x2+arrowX_6,y2+8),(x2+arrowX_7,y2+13+arrowY_7)], outline=255, fill=1)
			thumb_s_b3h = 127 / horz_max
			thumb_h_b3h = thumb_s_b3h * horz_max
			horz_h_b3h = horz + 1
			thumb_0_b3h = thumb_h_b3h - horz_h_b3h * thumb_s_b3h
			thumb_1_b3h = thumb_h_b3h - horz * thumb_s_b3h
			if thumb_1_b3h > 127:
				thumb_1_b3h = 127
			draw.rectangle((0,61,127,63), outline=255, fill=0) # Horz Scroll
			draw.rectangle((thumb_0_b3h,61,thumb_1_b3h,63), outline=255, fill=1) # Horz Scroll
			"""
			vert_b3v = vert - 1
			thumb_s_b3v = 28.0 / 4
			thumb_h_b3v = thumb_s_b3v * 4
			thumb_0_b3v = vert_b3v * thumb_s_b3v + 12
			thumb_1_b3v = thumb_0_b3v + thumb_h_b3v
			if thumb_1_b3v > 60:
				thumb_1_b3v = 60
			draw.rectangle((125,12,127,60), outline=255, fill=0) # Vert Scroll
			draw.rectangle((125, thumb_0_b3v, 127, thumb_1_b3v), outline=255, fill=1) # Vert Scroll
			"""

		elif channel == BTN2_PIN:
			if _2apIndx < 0: # select ssid mode
				y2 = y1*vert
				if (_2idxWin >= 0) and (_2idxWin < _2idxLen):
					LINE1 = _2aplist[_2idxWin]
				if (_2idxWin + 1 < _2idxLen):
					LINE2 = _2aplist[_2idxWin + 1]
				if (_2idxWin + 2 < _2idxLen):
					LINE3 = _2aplist[_2idxWin + 2]
				if (_2idxWin + 3 < _2idxLen):
					LINE4 = _2aplist[_2idxWin + 3]

				#draw.polygon([(x1,y2+6),(x2,y2-1),(x2,y2+4),(x3,y2+4),(x3,y2+8),(x2,y2+8),(x2,y2+13)], outline=255, fill=1) # Arrow Select
				draw.polygon([(x1+arrowX_1,y2+6),(x2+arrowX_2,y2-1+arrowY_2),(x2+arrowX_3,y2+4),(x3+arrowX_4,y2+4),(x3+arrowX_5,y2+8),(x2+arrowX_6,y2+8),(x2+arrowX_7,y2+13+arrowY_7)], outline=255, fill=1)
				draw.rectangle((125,12,127,60), outline=255, fill=0) # Vert Scroll

				if _2idxLen <= 4: #
					vert_v = vert - 1
					if _2idxLen == 0: thumb_s = 28.0
					else: thumb_s = 28.0 / _2idxLen #Step
					thumb_h = thumb_s * 4 # 4 #Because the screen can display 4 rows at a time
					thumb_0 = _2idxWin + vert_v * thumb_s + 12
				else:
					thumb_s = 48.0 / _2idxLen #Step
					thumb_h = thumb_s * 4 # 4 #Because the screen can display 4 rows at a time
					thumb_0 = _2idxWin * thumb_s + 12
				thumb_1 = thumb_0 + thumb_h
				if thumb_1 > 60:
					thumb_1 = 60
				draw.rectangle((125, thumb_0, 127, thumb_1), outline=255, fill=1) # Vert Scroll
			else: #input mode
				if horz >= _2pwdLen:
					_2pwdLst.append(choices[_2chaSel][vert])
					_2pwdLen = len(_2pwdLst)

				cursorx = 6 * horz
				cursory = y1 * 2
				draw.text((122, y1)  , choices[0][vert], font=font, fill=255)
				draw.text((122, y1*2), choices[1][vert], font=font, fill=255)
				draw.text((122, y1*3), choices[2][vert], font=font, fill=255)
				draw.rectangle((cursorx,cursory+10,cursorx+4,cursory+11), outline=255, fill=1)

				_2ssid = _2aplist[_2apIndx]
				LINE1 = "SSID: " + _2ssid
				#LINE3 = str(horz)
				if _2pwdLen > 0:
					LINE2 = ''.join(_2pwdLst)

		elif channel == 910:
			LINE2 = " Halting..."
		elif channel == 911:
			LINE2 = " Rebooting..."
		elif channel == 912:
			LINE2 = " Force Halting..."
		elif channel == 913:
			LINE2 = " Force Rebooting..."
		elif channel == 914:
			LINE2 = " Others14..."
		
		elif channel == 920:
			LINE2 = " SubInterface..."
		elif channel == 921:
			LINE2 = " Start Psi3..."
		elif channel == 922:
			LINE2 = " Kill Psi3..."
		elif channel == 923:
			LINE2 = " Stop Psi3..."
		elif channel == 924:
			LINE2 = " Others24..."

		elif channel == 930:
			LINE2 = " Others30..."
		elif channel == 931:
			LINE2 = " Others31..."
		elif channel == 932:
			LINE2 = " Others32..."
		elif channel == 933:
			LINE2 = " Others33..."
		elif channel == 934:
			LINE2 = " Others34..."

		elif channel == 299:
			LINE1 = "Setting passphrase"
			LINE2 = "of '" + _2aplist[_2apIndx] + "'"
		else:
			pass

		draw.text((x0, y0), LINE0, font=font, fill=255)
		if len(LINE1) > CHAR_WIDTH:
			draw.text((x0, y1),   LINE1[:CHAR_WIDTH], font=font, fill=255)
		else:
			draw.text((x0, y1),   LINE1, font=font, fill=255)

		if len(LINE2) > CHAR_WIDTH:
			draw.text((x0, y1*2), LINE2[:CHAR_WIDTH], font=font, fill=255)
		else:
			draw.text((x0, y1*2), LINE2, font=font, fill=255)

		if len(LINE3) > CHAR_WIDTH:
			draw.text((x0, y1*3), LINE3[:CHAR_WIDTH], font=font, fill=255)
		else:
			draw.text((x0, y1*3), LINE3, font=font, fill=255)

		if len(LINE4) > CHAR_WIDTH:
			draw.text((x0, y1*4), LINE4[:CHAR_WIDTH], font=font, fill=255)
		else:
			draw.text((x0, y1*4), LINE4, font=font, fill=255)

def main_fun(channel):
	global serial
	global device
	global draw
	global state
	global start
	global _2apIndx
	if state <= 0: # Display is off
		if channel > 0: # A button is pressed, turn on display
			# 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()
			_2apIndx = -1
			draw_scn(channel)
		else:
			pass
	else: # Display is on
		if ((channel > 0) and (channel == state) and ((channel != BTN2_PIN) or (_2apIndx < 0))) or ((stamp - start) > SCREEN_SAVER): # A button is pressed or timed out, turn off display
			GPIO.output(RST_PIN,GPIO.LOW)
			state = 0
			_2apIndx = -1
		elif (channel > 0) and (channel != state) and ((state != BTN2_PIN) or (_2apIndx < 0) or (channel == 299)):
			state = channel
			start = time.time()
			draw_scn(channel)
		else: # state > 0 && channel == 0 && not-yet-timeout, refresh screen
			draw_scn(state)

GPIO.add_event_detect(BTN1_PIN, GPIO.RISING, callback=click_b1, bouncetime=200)
GPIO.add_event_detect(BTN2_PIN, GPIO.RISING, callback=click_b2, bouncetime=200)
GPIO.add_event_detect(BTN3_PIN, GPIO.RISING, callback=click_b3, bouncetime=200)
GPIO.add_event_detect(JS_L_PIN, GPIO.RISING, callback=select_h, bouncetime=200)
GPIO.add_event_detect(JS_R_PIN, GPIO.RISING, callback=select_h, bouncetime=200)
GPIO.add_event_detect(JS_U_PIN, GPIO.RISING, callback=select_v, bouncetime=200)
GPIO.add_event_detect(JS_D_PIN, GPIO.RISING, callback=select_v, bouncetime=200)

#iface = subprocess.check_output("iwgetid | awk '{print $1}'", shell = True).rstrip("\r\n")
"""
Traceback (most recent call last):
  File "mon_tmp.py", line 422, in <module>
    iface = str(subprocess.check_output("iwgetid | awk '{print $1}'", shell = True).rstrip("\r\n"))
TypeError: a bytes-like object is required, not 'str'
"""
iface = 'wlan0'

# Main Loop
try:
	main_fun(BTN1_PIN)
	while True:
		stamp = time.time()
		main_fun(0)
		time.sleep(1)

except:
	print("Stopped", sys.exc_info()[0])
	raise
GPIO.cleanup()


# device.contrast(255)
# device.hide()
# device.show()
# device.clear()