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annotate service/frontDoorArduino/frontDoorArduino.py @ 323:e2865f1034a9
frontbed config
Ignore-this: 615b26b5f518db98d2f53f7777755bf2
| author | drewp@bigasterisk.com |
|---|---|
| date | Mon, 15 Jan 2018 02:59:52 -0800 |
| parents | 0fa988159bb3 |
| children |
| rev | line source |
|---|---|
| 0 | 1 """ |
| 2 talks to the arduino outside the front door. Don't write straight to | |
| 3 this LCD; use frontDoorMessage for that. | |
| 4 | |
| 5 lcd is this wide | |
| 6 |-------------------| | |
| 7 22:05 85F in, 71F out | |
| 8 | |
| 17 | 9 pin 11 senses the door |
| 10 pin 12 activates the front yard lights ('out yard') | |
| 11 | |
| 0 | 12 """ |
| 13 | |
| 14 from __future__ import division | |
| 15 | |
| 16 import cyclone.web, json, traceback, os, sys | |
| 17 from twisted.python import log | |
| 18 from twisted.internet import reactor, task | |
| 19 from twisted.web.client import getPage | |
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20 from rdflib import Namespace, Literal, URIRef |
| 0 | 21 |
| 22 sys.path.append("/my/proj/house/frontdoor") | |
| 23 from loggingserial import LoggingSerial | |
| 24 | |
| 25 sys.path.append("/my/proj/homeauto/lib") | |
| 26 from cycloneerr import PrettyErrorHandler | |
| 27 | |
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28 sys.path.append("/my/site/magma") |
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29 from stategraph import StateGraph |
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30 |
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31 DEV = Namespace("http://projects.bigasterisk.com/device/") |
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32 ROOM = Namespace("http://projects.bigasterisk.com/room/") |
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33 |
| 0 | 34 class Board(object): |
| 35 """ | |
| 36 arduino board actions, plus the last values we wrote to it | |
| 37 """ | |
| 38 def __init__(self, port): | |
| 39 self.ser = LoggingSerial(port=port) | |
| 40 self.ser.flush() | |
| 41 | |
| 17 | 42 self.setLcd("") |
| 43 self.setLcdBrightness(0) | |
| 44 self.setYardLight(0) | |
| 0 | 45 |
| 46 def ping(self): | |
| 47 self.getDoor() | |
| 48 | |
| 49 def getDoor(self): | |
| 50 self.ser.write("\xff\x01") | |
| 51 ret = self.ser.readJson() | |
| 52 return ret['door'] | |
| 53 | |
| 17 | 54 def setYardLight(self, level): |
| 55 self.currentYardLight = bool(level) | |
| 56 self.ser.write("\xff\x04" + chr(bool(self.currentYardLight))) | |
| 57 | |
| 58 def getYardLight(self): | |
| 59 return self.currentYardLight | |
| 60 | |
| 0 | 61 def getLcd(self): |
| 62 return self.currentText | |
| 63 | |
| 64 def setLcd(self, txt): | |
| 65 """ | |
| 66 up to 8*21 chars | |
| 67 """ | |
| 68 self.currentText = txt | |
| 69 self.ser.write("\xff\x00" + txt + "\x00") | |
| 70 | |
| 71 def getLcdBrightness(self): | |
| 72 return self.currentBrightness | |
| 73 | |
| 74 def setLcdBrightness(self, b): | |
| 75 """b in 0 to 255""" | |
| 76 self.currentBrightness = b | |
| 77 self.ser.write("\xff\x03" + chr(b)) | |
| 78 | |
| 79 def getTemperature(self): | |
| 80 """returns parsed json from the board""" | |
| 81 self.ser.write("\xff\x02") | |
| 82 # this can take 1.25 seconds per retry | |
| 83 f = self.ser.readJson() | |
| 84 | |
| 85 if f['temp'] > 184 or f['temp'] < -100: | |
| 86 # this fails a lot, maybe 50% of the time. retry if | |
| 87 # you want | |
| 88 raise ValueError("out of range temp value (%s)" % f) | |
| 89 return f | |
| 90 | |
| 91 class index(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 92 def get(self): | |
| 93 self.settings.board.ping() | |
| 94 | |
| 95 self.set_header("Content-Type", "application/xhtml+xml") | |
| 96 self.write(open("index.html").read()) | |
| 97 | |
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98 class GraphResource(PrettyErrorHandler, cyclone.web.RequestHandler): |
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99 def get(self): |
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100 g = StateGraph(ctx=DEV['frontDoorArduino']) |
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101 |
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102 board = self.settings.board |
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103 g.add((DEV['frontDoorOpen'], ROOM['state'], |
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104 ROOM['open'] if board.getDoor() == 'open' else ROOM['closed'])) |
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105 g.add((DEV['frontYardLight'], ROOM['state'], |
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106 ROOM['on'] if board.getYardLight() else ROOM['off'])) |
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107 g.add((DEV['frontDoorLcd'], ROOM['text'], |
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108 Literal(board.getLcd()))) |
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109 g.add((DEV['frontDoorLcd'], ROOM['brightness'], |
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110 Literal(board.getLcdBrightness()))) |
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111 |
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112 # not temperature yet because it's slow and should be cached from |
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113 # the last poll |
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114 |
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115 self.set_header('Content-type', 'application/x-trig') |
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116 self.write(g.asTrig()) |
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117 |
| 0 | 118 class Lcd(PrettyErrorHandler, cyclone.web.RequestHandler): |
| 119 def get(self): | |
| 120 self.set_header("Content-Type", "text/plain") | |
| 121 self.write(self.settings.board.getLcd()) | |
| 122 | |
| 123 def put(self): | |
| 124 self.settings.board.setLcd(self.request.body) | |
| 125 self.set_status(204) | |
| 126 | |
| 127 class Backlight(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 128 def get(self): | |
| 129 self.set_header("Content-Type", "application/json") | |
| 130 self.write(json.dumps({ | |
| 131 "backlight" : self.settings.board.getLcdBrightness()})) | |
| 132 | |
| 133 def put(self): | |
| 134 """param brightness=0 to brightness=255""" | |
| 135 self.settings.board.setLcdBrightness( | |
| 136 int(self.get_argument('brightness'))) | |
| 137 self.write("ok") | |
| 138 post = put | |
| 139 | |
| 17 | 140 |
| 141 class YardLight(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 142 def get(self): | |
| 143 self.set_header("Content-Type", "application/json") | |
| 144 self.write(json.dumps({ | |
| 145 "yardLight" : self.settings.board.getYardLight()})) | |
| 146 | |
| 147 def put(self): | |
| 148 """text true or false or 0 or 1""" | |
| 149 self.settings.board.setYardLight( | |
| 150 self.request.body.strip() in ['true', '1']) | |
| 151 self.write("ok") | |
| 152 post = put | |
| 153 | |
| 154 | |
| 0 | 155 class Door(PrettyErrorHandler, cyclone.web.RequestHandler): |
| 156 def get(self): | |
| 157 self.set_header("Content-Type", "text/plain") | |
| 158 self.write(self.settings.board.getDoor()) | |
| 159 | |
| 160 class Temperature(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 161 def get(self): | |
| 162 f = self.settings.board.getTemperature() | |
| 163 self.set_header("Content-Type", "application/json") | |
| 164 self.write(f) | |
| 165 | |
| 166 class Application(cyclone.web.Application): | |
| 167 def __init__(self, board): | |
| 168 handlers = [ | |
| 169 (r"/", index), | |
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170 (r"/graph", GraphResource), |
| 0 | 171 (r'/lcd', Lcd), |
| 172 (r'/door', Door), | |
| 173 (r'/temperature', Temperature), | |
| 174 (r'/lcd/backlight', Backlight), | |
| 17 | 175 (r'/yardLight', YardLight), |
| 0 | 176 ] |
| 177 settings = {"board" : board} | |
| 178 cyclone.web.Application.__init__(self, handlers, **settings) | |
| 179 | |
| 180 | |
| 181 class Poller(object): | |
| 182 def __init__(self, board, postUrl, boardName): | |
| 183 self.board = board | |
| 184 self.postUrl = postUrl | |
| 185 self.boardName = boardName | |
| 186 self.last = None | |
| 187 | |
| 188 def poll(self): | |
| 189 try: | |
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190 # this should be fetching everything and pinging reasoning |
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191 # if anything is new |
| 0 | 192 new = self.board.getDoor() |
| 193 if new != self.last: | |
| 194 msg = json.dumps(dict(board=self.boardName, | |
| 195 name="frontDoor", state=new)) | |
| 196 getPage(self.postUrl, | |
| 197 method="POST", | |
| 198 postdata=msg, | |
| 199 headers={'Content-Type' : 'application/json'} | |
| 200 ).addErrback(self.reportError, msg) | |
| 201 | |
| 202 self.last = new | |
| 203 except (IOError, OSError): | |
| 204 os.abort() | |
| 205 except Exception, e: | |
| 206 print "poll error", e | |
| 207 traceback.print_exc() | |
| 208 | |
| 209 def reportError(self, msg, *args): | |
| 210 print "post error", msg, args | |
| 211 | |
| 212 if __name__ == '__main__': | |
| 213 | |
| 214 config = { # to be read from a file | |
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215 'arduinoPort': '/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A6004bUG-if00-port0', |
| 0 | 216 'servePort' : 9080, |
| 217 'pollFrequency' : 1, | |
| 218 'boardName' : 'frontDoor', # gets sent with updates | |
| 219 'doorChangePost' : 'http://bang.bigasterisk.com:9069/inputChange', | |
| 220 # todo: need options to preset inputs/outputs at startup | |
| 221 } | |
| 222 | |
| 17 | 223 #log.startLogging(sys.stdout) |
| 0 | 224 |
| 225 board = Board(port=config['arduinoPort']) | |
| 226 | |
| 227 p = Poller(board, config['doorChangePost'], config['boardName']) | |
| 228 task.LoopingCall(p.poll).start(1/config['pollFrequency']) | |
| 229 reactor.listenTCP(config['servePort'], Application(board)) | |
| 230 reactor.run() |