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_P036_FrameOLED.py
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_P036_FrameOLED.py
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#!/usr/bin/env python3
#############################################################################
##################### Framed OLED plugin for RPIEasy ########################
#############################################################################
#
# Available commands:
# OLEDFRAMEDCMD,<value> - value can be: on, off, low, med, high
# OLEDFRAMEDCMD,scroll - scroll to next page
#
# Loosely based on marvellous ESPEasy Plugin 036.
#
# Copyright (C) 2018-2019 by Alexander Nagy - https://bitekmindenhol.blog.hu/
#
# Made with the support of Budman1758
#
import plugin
import webserver
import rpieGlobals
import rpieTime
import misc
import gpios
import commands
import math
import Settings
import linux_network as Network
import linux_os as OS
from datetime import datetime
from luma.core.interface.serial import i2c
from luma.core.render import canvas
from PIL import ImageFont, ImageDraw, Image
class Plugin(plugin.PluginProto):
PLUGIN_ID = 36
PLUGIN_NAME = "Display - Framed OLED"
PLUGIN_VALUENAME1 = "OLED"
P36_Nlines = 12
P36_CONTRAST_LOW = 64
P36_CONTRAST_MED = 0xCF
P36_CONTRAST_HIGH = 0xFF
def __init__(self,taskindex): # general init
plugin.PluginProto.__init__(self,taskindex)
self.dtype = rpieGlobals.DEVICE_TYPE_I2C
self.vtype = rpieGlobals.SENSOR_TYPE_NONE
self.ports = 0
self.valuecount = 0
self.senddataoption = False
self.timeroption = True
self.timeroptional = True
self.formulaoption = False
self.device = None
self.width = None
self.height = None
self.lines = []
self.ufont = None
self.hfont = None
self.ypos = []
self.dispimage = None
self.textbuffer = []
self.lastlineindex = 0
self.pages = 0
self.actualpage = 0
self.conty1 = 0
self.conty2 = 0
self.headline = 0
self.lastwifistrength = -1
self.writeinprogress = 0
def plugin_init(self,enableplugin=None):
plugin.PluginProto.plugin_init(self,enableplugin)
if self.enabled:
i2cport = -1
try:
for i in range(0,2):
if gpios.HWPorts.is_i2c_usable(i) and gpios.HWPorts.is_i2c_enabled(i):
i2cport = i
break
except:
i2cport = -1
if i2cport>-1:
if self.interval>2:
nextr = self.interval-2
else:
nextr = self.interval
self.initialized = False
serialdev = None
self.taskdevicepluginconfig[1] = int(float(self.taskdevicepluginconfig[1]))
if self.taskdevicepluginconfig[1] != 0: # i2c address
serialdev = i2c(port=i2cport, address=self.taskdevicepluginconfig[1])
else:
return self.initialized
self.device = None
try:
if "x" in str(self.taskdevicepluginconfig[3]):
resstr = str(self.taskdevicepluginconfig[3]).split('x')
self.width = int(resstr[0])
self.height = int(resstr[1])
else:
self.width = None
self.height = None
except:
self.width = None
self.height = None
if str(self.taskdevicepluginconfig[0]) != "0" and str(self.taskdevicepluginconfig[0]).strip() != "": # display type
try:
if str(self.taskdevicepluginconfig[0])=="ssd1306":
from luma.oled.device import ssd1306
if self.height is None:
self.device = ssd1306(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1306(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="sh1106":
from luma.oled.device import sh1106
if self.height is None:
self.device = sh1106(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = sh1106(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="ssd1309":
from luma.oled.device import ssd1309
if self.height is None:
self.device = ssd1309(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1309(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="ssd1331":
from luma.oled.device import ssd1331
if self.height is None:
self.device = ssd1331(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1331(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="ssd1351":
from luma.oled.device import ssd1351
if self.height is None:
self.device = ssd1351(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1351(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="ssd1322":
from luma.oled.device import ssd1322
if self.height is None:
self.device = ssd1322(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1322(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="ssd1325":
from luma.oled.device import ssd1325
if self.height is None:
self.device = ssd1325(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1325(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
elif str(self.taskdevicepluginconfig[0])=="ssd1327":
from luma.oled.device import ssd1327
if self.height is None:
self.device = ssd1327(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])))
else:
self.device = ssd1327(serialdev, rotate=int(float(self.taskdevicepluginconfig[2])), width=self.width, height=self.height)
self.initialized = True
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"OLED can not be initialized! "+str(e))
self.enabled = False
self.device = None
return False
if self.device is not None:
try:
lc = int(self.taskdevicepluginconfig[4])
except:
lc = 1
if lc < 1:
lc = 1
elif lc>4:
lc = 4
try:
self.hfont=ImageFont.truetype('img/UbuntuMono-R.ttf', 10)
lineheight=11
if lc==1:
lineheight = 24
self.ypos = [20,0,0,0]
elif lc==2:
lineheight = 16
self.ypos = [15,34,0,0]
elif lc==3:
lineheight = 12
self.ypos = [13,25,37,0]
elif lc==4:
lineheight = 10
self.ypos = [12,22,32,42]
self.ufont=ImageFont.truetype('img/UbuntuMono-R.ttf', lineheight)
except Exception as e:
print(e)
try:
self.device.show()
except:
pass
if self.interval>2:
nextr = self.interval-2
else:
nextr = 0
self._lastdataservetime = rpieTime.millis()-(nextr*1000)
try:
self.dispimage = Image.new('1', (self.device.width,self.device.height), "black")
self.conty1 = 12
self.conty2 = self.device.height-12
self.textbuffer = []
self.actualpage = 0
self.lastlineindex = self.P36_Nlines
for l in reversed(range(self.P36_Nlines)):
if (str(self.lines[l]).strip()!="") and (str(self.lines[l]).strip()!="0"):
self.lastlineindex = l
break
try:
self.pages = math.ceil((self.lastlineindex+1) / int(self.taskdevicepluginconfig[4]))
except:
self.pages = 0
except Exception as e:
self.initialized = False
try:
cont = int(self.taskdevicepluginconfig[6])
except:
cont = 0
if cont>0:
self.device.contrast(cont)
draw = ImageDraw.Draw(self.dispimage)
maxcols = int(self.taskdevicepluginconfig[7]) # auto decrease font size if needed
if maxcols < 1:
maxcols = 1
tstr = "X"*maxcols
try:
sw = draw.textsize(tstr,self.ufont)[0]
except:
sw = self.device.width
while (sw>self.device.width):
lineheight-=1
self.ufont=ImageFont.truetype('img/UbuntuMono-R.ttf', lineheight)
sw = draw.textsize(tstr,self.ufont)[0]
self.writeinprogress = 0
else:
self.initialized = False
else:
self.__del__()
def webform_load(self): # create html page for settings
choice1 = str(self.taskdevicepluginconfig[0]) # store display type
import luma.oled.device
options = luma.oled.device.__all__
webserver.addHtml("<tr><td>Display type:<td>")
webserver.addSelector_Head("p036_type",True)
for d in range(len(options)):
webserver.addSelector_Item(options[d],options[d],(choice1==options[d]),False)
webserver.addSelector_Foot()
choice2 = int(float(self.taskdevicepluginconfig[1])) # store i2c address
options = ["0x3c","0x3d"]
optionvalues = [0x3c,0x3d]
webserver.addFormSelector("Address","p036_adr",len(options),options,optionvalues,None,choice2)
webserver.addFormNote("Enable <a href='pinout'>I2C bus</a> first, than <a href='i2cscanner'>search for the used address</a>!")
choice3 = int(float(self.taskdevicepluginconfig[2])) # store rotation state
options = ["Normal","Rotate by 180"]
optionvalues = [0,2]
webserver.addFormSelector("Mode","p036_rotate",len(optionvalues),options,optionvalues,None,choice3)
options = ["Default","128x64","128x128","128x32","96x96","96x64","64x48","64x32"]
choice4 = self.taskdevicepluginconfig[3] # store resolution
webserver.addHtml("<tr><td>Resolution:<td>")
webserver.addSelector_Head("p036_res",False)
for d in range(len(options)):
webserver.addSelector_Item(options[d],options[d],(choice4==options[d]),False)
webserver.addSelector_Foot()
choice5 = int(float(self.taskdevicepluginconfig[4])) # store line count
webserver.addHtml("<tr><td>Lines per Frame:<td>")
webserver.addSelector_Head("p036_linecount",False)
for l in range(1,5):
webserver.addSelector_Item(str(l),l,(l==choice5),False)
webserver.addSelector_Foot()
choice6 = int(float(self.taskdevicepluginconfig[5])) # transition speed
options = ["Very Slow","Slow","Fast","Very Fast","Instant"]
optionvalues = [1,2,4,8,32]
webserver.addFormSelector("Scroll","p036_scroll",len(optionvalues),options,optionvalues,None,choice6)
for l in range(self.P36_Nlines):
try:
linestr = self.lines[l]
except:
linestr = ""
webserver.addFormTextBox("Line"+str(l+1),"p036_template"+str(l),linestr,128)
choice7 = int(float(self.taskdevicepluginconfig[6])) # contrast
options = ["Low","Medium","High"]
optionvalues = [self.P36_CONTRAST_LOW, self.P36_CONTRAST_MED, self.P36_CONTRAST_HIGH]
webserver.addFormSelector("Contrast","p036_contrast",len(optionvalues),options,optionvalues,None,choice7)
webserver.addFormNumericBox("Try to display # characters per row","p036_charperl",self.taskdevicepluginconfig[7],1,32)
webserver.addFormNote("Leave it '1' if you do not care")
return True
def __del__(self):
self.initialized = False
try:
if self.device is not None:
self.device.clear()
self.device.hide()
except:
pass
def plugin_exit(self):
self.__del__()
def webform_save(self,params): # process settings post reply
par = webserver.arg("p036_type",params)
if par == "":
par = 0
self.taskdevicepluginconfig[0] = str(par)
par = webserver.arg("p036_adr",params)
if par == "":
par = 0
self.taskdevicepluginconfig[1] = int(par)
par = webserver.arg("p036_rotate",params)
if par == "":
par = 0
self.taskdevicepluginconfig[2] = int(par)
par = webserver.arg("p036_res",params)
self.taskdevicepluginconfig[3] = str(par)
par = webserver.arg("p036_linecount",params)
if par == "":
par = 1
self.taskdevicepluginconfig[4] = int(par)
for l in range(self.P36_Nlines):
linestr = webserver.arg("p036_template"+str(l),params).strip()
# if linestr!="" and linestr!="0":
try:
self.lines[l]=linestr
except:
self.lines.append(linestr)
par = webserver.arg("p036_scroll",params)
if par == "":
par = 1
self.taskdevicepluginconfig[5] = int(par)
par = webserver.arg("p036_contrast",params)
if par == "":
par = self.P36_CONTRAST_MED
self.taskdevicepluginconfig[6] = int(par)
par = webserver.arg("p036_charperl",params)
if par == "":
par = 1
self.taskdevicepluginconfig[7] = int(par)
self.plugin_init()
return True
def showfirstpage(self):
draw = ImageDraw.Draw(self.dispimage)
draw.rectangle( ((0,self.conty1),(128,self.conty2)) ,fill="black")
for l in range(int(self.taskdevicepluginconfig[4])):
tpos = int((self.device.width-(draw.textsize(self.textbuffer[0][l],self.ufont)[0]))/2)-2
if tpos<0:
tpos = 0
draw.text( (tpos,self.ypos[l]), self.textbuffer[0][l], fill="white", font=self.ufont)
self.device.display(self.dispimage)
self.actualpage = 1
def scrollnextpage(self):
draw = ImageDraw.Draw(self.dispimage)
ax = 0
step=int(self.taskdevicepluginconfig[5])
for offset in range(0,128,step):
draw.rectangle( ((0,self.conty1),(128,self.conty2)) ,fill="black")
for l in range(int(self.taskdevicepluginconfig[4])):
tpos = int((self.device.width-(draw.textsize(self.textbuffer[0][l],self.ufont)[0]))/2)-2
if tpos<0:
tpos = 0
draw.text( (tpos+ax, self.ypos[l]), self.textbuffer[0][l], fill="white", font=self.ufont)
for l in range(int(self.taskdevicepluginconfig[4])):
tpos = int((self.device.width-(draw.textsize(self.textbuffer[1][l],self.ufont)[0]))/2)-2
if tpos<0:
tpos = 0
draw.text( (tpos+ax+self.device.width, self.ypos[l]), self.textbuffer[1][l], fill="white", font=self.ufont)
self.device.display(self.dispimage)
ax -= step
if self.initialized==False:
break
draw.rectangle( ((0,self.conty1),(128,self.conty2)) ,fill="black")
for l in range(int(self.taskdevicepluginconfig[4])): # last position
tpos = int((self.device.width-(draw.textsize(self.textbuffer[1][l],self.ufont)[0]))/2)-2
if tpos<0:
tpos = 0
draw.text( (tpos, self.ypos[l]), self.textbuffer[1][l], fill="white", font=self.ufont)
self.display_footer()
def display_time(self):
draw = ImageDraw.Draw(self.dispimage)
draw.rectangle( ((0,0),(28,10)) ,fill="black")
draw.text( (0,0), datetime.now().strftime('%H:%M'), fill="white", font=self.hfont)
self.device.display(self.dispimage)
def display_wifibars(self):
connected = True
try:
rssi = int(OS.get_rssi())
except:
rssi = -100
connected = False
if rssi<-99:
connected = False
nbars_filled = (rssi+100)/8
x = self.device.width - 23 # 105
y = 0
size_x = 15
size_y = 10
nbars = 5
width = int(size_x / nbars)
size_x = width * nbars -1
if self.lastwifistrength != nbars_filled:
self.lastwifistrength = nbars_filled
draw = ImageDraw.Draw(self.dispimage)
draw.rectangle( ((x,y),(x+size_x,y+size_y)) ,fill="black")
if connected:
for ibar in range(0,nbars):
height = size_y * (ibar+1) / nbars
xpos = x + ibar * width
ypos = y + size_y - height
if (ibar<=nbars_filled):
draw.rectangle( ((xpos,ypos),(xpos+width-1,ypos+height)),fill="white")
else:
draw.rectangle( ((xpos,ypos),(xpos+width-1,ypos+1)),fill="white")
draw.rectangle( ((xpos,y+size_y-1),(xpos+width-1,y+size_y)),fill="white")
return True
def display_footer(self):
ft = ""
for p in range(self.pages):
if p==self.actualpage:
ft += str(u"\u2022") # "•"
else:
ft += str(u"\u00B7") # "·"
draw = ImageDraw.Draw(self.dispimage)
tpos = int((self.device.width-(draw.textsize(ft,self.hfont)[0]))/2)-2
if tpos<0:
tpos = 0
draw.rectangle( ((20,self.conty2),(108,self.device.height)) ,fill="black")
draw.text( (tpos, self.conty2), ft, fill="white", font=self.hfont)
self.device.display(self.dispimage)
def display_name(self):
draw = ImageDraw.Draw(self.dispimage)
tstr = ""
if self.headline == 0:
tstr = str(Settings.Settings["Name"])
self.headline = 1
else:
try:
wdev = Settings.NetMan.getfirstwirelessdev()
except:
wdev = False
if wdev:
tstr = str(Network.get_ssid(wdev))
self.headline = 0
draw.rectangle( ((29,0),(106,12)) ,fill="black")
tpos = int((self.device.width-(draw.textsize(tstr,self.hfont)[0]))/2)-2
if tpos<0:
tpos = 0
draw.text( (tpos, 0), tstr, fill="white", font=self.hfont)
def plugin_read(self): # deal with data processing at specified time interval
if self.initialized and self.enabled and self.device and self.writeinprogress==0:
try:
if self.dispimage:
self.writeinprogress = 1
self.display_time()
self.display_name()
self.display_wifibars()
if self.pages==1:
spos = 0
else:
spos = (self.actualpage*int(self.taskdevicepluginconfig[4]))
if len(self.textbuffer)>1: # previous value in pos 0, second in 1 normal loop
for l in range(int(self.taskdevicepluginconfig[4])):
self.textbuffer[1][l] = self.oledparse(str(self.lines[spos+l]))
elif len(self.textbuffer)==1: # previous value in pos 0, no second
tbuf = []
for l in range(int(self.taskdevicepluginconfig[4])):
tbuf.append(self.oledparse(str(self.lines[spos+l])))
self.textbuffer.append(tbuf)
else: # no values in buffer
self.display_footer()
tbuf = []
for l in range(int(self.taskdevicepluginconfig[4])):
tbuf.append(self.oledparse(str(self.lines[spos+l])))
self.textbuffer.append(tbuf)
self.showfirstpage()
self._lastdataservetime = rpieTime.millis()
self.writeinprogress = 0
return True
self.scrollnextpage()
if self.pages>1:
if self.actualpage<(self.pages-1):
self.actualpage += 1
else:
self.actualpage = 0
if len(self.textbuffer)>1: # skew things after scroll
for l in range(int(self.taskdevicepluginconfig[4])):
self.textbuffer[0][l] = self.textbuffer[1][l]
self.writeinprogress = 0
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"OLED write error! "+str(e))
self.writeinprogress = 0
self._lastdataservetime = rpieTime.millis()
# print(self.textbuffer,self.actualpage,self.pages)
return True
def plugin_write(self,cmd):
res = False
cmdarr = cmd.split(",")
cmdarr[0] = cmdarr[0].strip().lower()
if cmdarr[0] == "oledframedcmd":
try:
cmd = cmdarr[1].strip()
except:
cmd = ""
try:
if self.device is not None:
if cmd == "on":
self.device.show()
res = True
elif cmd == "off":
self.device.hide()
res = True
elif cmd == "low":
self.device.contrast(self.P36_CONTRAST_LOW)
res = True
elif cmd == "med":
self.device.contrast(self.P36_CONTRAST_MED)
res = True
elif cmd == "high":
self.device.contrast(self.P36_CONTRAST_HIGH)
res = True
elif cmd == "scroll":
self._lastdataservetime = rpieTime.millis()
self.plugin_read()
res = True
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"OLED command error! "+str(e))
res = False
return res
def oledparse(self,ostr):
cl, st = commands.parseruleline(ostr)
if st=="CMD":
resstr=str(cl)
else:
resstr=str(ostr)
if "{" in resstr or "&" in resstr:
resstr = resstr.replace("{D}","˚").replace("°","˚")
resstr = resstr.replace("{<<}","«").replace("«","«")
resstr = resstr.replace("{>>} ","»").replace("»","»")
resstr = resstr.replace("{u} ","µ").replace("µ ","µ")
resstr = resstr.replace("{E}","€").replace("€","€")
resstr = resstr.replace("{Y}","¥").replace("¥","¥")
resstr = resstr.replace("{P}","£").replace("£","£")
resstr = resstr.replace("{c}","¢").replace("¢","¢")
resstr = resstr.replace("{^1}","¹").replace("¹","¹")
resstr = resstr.replace("{^2}","²").replace("²","²")
resstr = resstr.replace("{^3}","³").replace("³","³")
resstr = resstr.replace("{1_4}","¼").replace("¼","¼")
resstr = resstr.replace("{1_2}","½").replace("&frac24;","½")
resstr = resstr.replace("{3_4}","¾").replace("¾","¾")
resstr = resstr.replace("{+-}","±").replace("±","±")
resstr = resstr.replace("{x}","×").replace("×","×")
resstr = resstr.replace("{..}","÷").replace("÷","÷")
return resstr