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Content import ugfx, wifi, badge, urandom from time import sleep def drawGraph(xpos,ypos,xsize,ysize,data,unit = ''): maxdata = xsize #Draw Frame ugfx.line(xpos ,ypos ,xpos+xsize,ypos ,ugfx.BLACK) ugfx.line(xpos ,ypos ,xpos ,ypos+ysize,ugfx.BLACK) ugfx.line(xpos ,ypos+ysize,xpos+xsize,ypos+ysize,ugfx.BLACK) ugfx.line(xpos+xsize,ypos ,xpos+xsize,ypos+ysize,ugfx.BLACK) #Find Max and min values minyval =data[0] maxyval =data[0] for d in data: if d>maxyval: maxyval=d if d<minyval: minyval=d print("[GRAPH] Min X:" + str(minyval) + " MaxX:" + str(maxyval)) dataCount = 0 xstart = xpos+xsize ystart = ypos+ysize maxy = int(ysize*0.9) lastx= xstart lasty= ystart count = 0 #Draw ugfx.string(xpos+1,ypos+1,str(data[-1])+unit, "Roboto_Regular12", ugfx.BLACK) for d in reversed(data): dataCount = dataCount +1 if dataCount>maxdata: break x = xstart-count y = ystart-int(d/maxyval*maxy) ugfx.line(lastx,lasty,x,y,ugfx.BLACK) lastx = x lasty = y count = count+1 psuvoltage='0.0' psucurrent='0.0' psutemperature='0.0' current=['0.0','0.0', '0.0','0.0', '0.0','0.0'] notification=['','','','','',''] error=['','','','','',''] ledjes=[0,0,0,0,0,0] laptopChargerVolt ='0.0' laptopChargerCurrent ='0.0' laptopChargerWatts ='0.0' laptopChargerTemp ='0.0' laptopChargerHumid ='0.0' psuvoltagea =['0.0'] psucurrenta =['0.0'] psutemperaturea =['0.0'] ugfx.init() ugfx.LUT_FULL ugfx.input_init() ugfx.clear(ugfx.BLACK) ugfx.flush() ugfx.clear(ugfx.WHITE) ugfx.flush() ugfx.clear(ugfx.BLACK) ugfx.flush() # Make sure WiFi is connected wifi.init() ugfx.clear(ugfx.WHITE); ugfx.string(10,10,"Waiting for wifi...","Roboto_Regular12", 0) ugfx.flush() # Wait for WiFi connection while not wifi.sta_if.isconnected(): sleep(0.1) pass ugfx.clear(ugfx.WHITE); ugfx.string(10,10,"Connecting to MQTT...","Roboto_Regular12", 0) ugfx.flush() from umqtt.simple import MQTTClient # Received messages from subscriptions will be delivered to this callback def sub_cb(topic, msg): global psuvoltage global psucurrent global psutemperature global error global notification global ledjes global laptopChargerVolt global laptopChargerCurrent global laptopChargerWatts global laptopChargerTemp global laptopChargerHumid print((topic, msg)) #lets strip all the extra characters message = (msg.decode('utf-8')) message = message.replace('\x08', '') message = message.replace('\x05', '') message = message.replace(',', '.') message = message.strip() if(topic.decode('utf-8')=='altpwr/psu/voltage'): psuvoltage = message psuvoltagea.append(float(message)) if(topic.decode('utf-8')=='altpwr/psu/current'): psucurrent = message psucurrenta.append(float(message)) if(topic.decode('utf-8')=='altpwr/psu/temperature'): psutemperature = message psutemperaturea.append(float(message)) for x in range(0, 6): if(topic.decode('utf-8')=='altpwr/psu/'+str(x+1)+'/current'): current[x]=message if(topic.decode('utf-8')=='altpwr/psu/'+str(x+1)+'/message'): notification[x]=message if(topic.decode('utf-8')=='altpwr/psu/'+str(x+1)+'/error'): error[x]=message if(error[x]!=''): ledjes[x]=1 else: ledjes[x]=0 if(topic.decode('utf-8')=='altpwr/node/laptopChargeStation/temperature'): laptopChargerTemp = message if(topic.decode('utf-8')=='altpwr/node/laptopChargeStation/humidity'): laptopChargerHumid = message if(topic.decode('utf-8')=='altpwr/node/laptopChargeStation/watts'): laptopChargerWatts = message if(topic.decode('utf-8')=='altpwr/node/laptopChargeStation/voltage'): laptopChargerVolt = message if(topic.decode('utf-8')=='altpwr/node/laptopChargeStation/current'): laptopChargerCurrent = message ugfx.clear(ugfx.WHITE) ugfx.string(112,1,"ALTPWR.NET PSU","Roboto_Black22", 0) badge.eink_png(0,0,'/lib/altpwrlaptopcharger/altpwr.png') ugfx.line(70,23,291,23,ugfx.BLACK) c = float(psucurrent) v = float(psuvoltage) psuwatts = c*v ugfx.string(70, 28, psuvoltage + "V, " + psucurrent + "A, " + str(psuwatts) + "Watts - " + psutemperature + "*C", "Roboto_Black18", ugfx.BLACK) drawGraph(70,35,100,40,psucurrenta) ugfx.string(70,65,"LaptopChargerStation:","Roboto_Black18", 0) ugfx.string(110,80,laptopChargerVolt +"V - " + laptopChargerCurrent + "A - " + laptopChargerWatts + "Watts" ,"Roboto_Black18", 0) ugfx.string(110,100,"Temp:" + laptopChargerTemp + "*C - Humid:" + laptopChargerHumid + "%" ,"Roboto_Black18", 0) ugfx.flush() def main(server="mqtt.sha2017.org"): clientname = 'SHA2017Badge ' + str(urandom.getrandbits(30)) c = MQTTClient(clientname, server) c.set_callback(sub_cb) c.connect() c.subscribe(b"altpwr/#") print('mqtt set') c.check_msg() while True: c.check_msg() sleep(0.1) c.disconnect() def go_home(pushed): if(pushed): import machine machine.deepsleep(1) ugfx.input_attach(ugfx.BTN_B, go_home) main()