Mercurial > code > home > repos > homeauto
annotate service/frontDoorArduino/frontDoorArduino.py @ 823:0aafd40e4afc
move more ports to use /dev/serial/by-id/
Ignore-this: 4d9bc18902dfe08897c3e03579c87b23
darcs-hash:20111204030320-312f9-da93888bb0e3b2bc898eb34f3126706d0ac3aefa.gz
| author | drewp <drewp@bigasterisk.com> |
|---|---|
| date | Sat, 03 Dec 2011 19:03:20 -0800 |
| parents | b1c92ee20ff4 |
| children | 0cffbf171a97 |
| rev | line source |
|---|---|
| 805 | 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 | |
| 822 | 9 pin 11 senses the door |
| 10 pin 12 activates the front yard lights ('out yard') | |
| 11 | |
| 805 | 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 | |
| 20 | |
| 21 sys.path.append("/my/proj/house/frontdoor") | |
| 22 from loggingserial import LoggingSerial | |
| 23 | |
| 24 sys.path.append("/my/proj/homeauto/lib") | |
| 25 from cycloneerr import PrettyErrorHandler | |
| 26 | |
| 27 class Board(object): | |
| 28 """ | |
| 29 arduino board actions, plus the last values we wrote to it | |
| 30 """ | |
| 31 def __init__(self, port): | |
| 32 self.ser = LoggingSerial(port=port) | |
| 33 self.ser.flush() | |
| 34 | |
| 822 | 35 self.setLcd("") |
| 36 self.setLcdBrightness(0) | |
| 37 self.setYardLight(0) | |
| 805 | 38 |
| 39 def ping(self): | |
| 40 self.getDoor() | |
| 41 | |
| 42 def getDoor(self): | |
| 43 self.ser.write("\xff\x01") | |
| 44 ret = self.ser.readJson() | |
| 45 return ret['door'] | |
| 46 | |
| 822 | 47 def setYardLight(self, level): |
| 48 self.currentYardLight = bool(level) | |
| 49 self.ser.write("\xff\x04" + chr(bool(self.currentYardLight))) | |
| 50 | |
| 51 def getYardLight(self): | |
| 52 return self.currentYardLight | |
| 53 | |
| 805 | 54 def getLcd(self): |
| 55 return self.currentText | |
| 56 | |
| 57 def setLcd(self, txt): | |
| 58 """ | |
| 59 up to 8*21 chars | |
| 60 """ | |
| 61 self.currentText = txt | |
| 62 self.ser.write("\xff\x00" + txt + "\x00") | |
| 63 | |
| 64 def getLcdBrightness(self): | |
| 65 return self.currentBrightness | |
| 66 | |
| 67 def setLcdBrightness(self, b): | |
| 68 """b in 0 to 255""" | |
| 69 self.currentBrightness = b | |
| 70 self.ser.write("\xff\x03" + chr(b)) | |
| 71 | |
| 72 def getTemperature(self): | |
| 73 """returns parsed json from the board""" | |
| 74 self.ser.write("\xff\x02") | |
| 75 # this can take 1.25 seconds per retry | |
| 76 f = self.ser.readJson() | |
| 77 | |
| 78 if f['temp'] > 184 or f['temp'] < -100: | |
| 79 # this fails a lot, maybe 50% of the time. retry if | |
| 80 # you want | |
| 81 raise ValueError("out of range temp value (%s)" % f) | |
| 82 return f | |
| 83 | |
| 84 class index(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 85 def get(self): | |
| 86 self.settings.board.ping() | |
| 87 | |
| 88 self.set_header("Content-Type", "application/xhtml+xml") | |
| 89 self.write(open("index.html").read()) | |
| 90 | |
| 91 class Lcd(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 92 def get(self): | |
| 93 self.set_header("Content-Type", "text/plain") | |
| 94 self.write(self.settings.board.getLcd()) | |
| 95 | |
| 96 def put(self): | |
| 97 self.settings.board.setLcd(self.request.body) | |
| 98 self.set_status(204) | |
| 99 | |
| 100 class Backlight(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 101 def get(self): | |
| 102 self.set_header("Content-Type", "application/json") | |
| 103 self.write(json.dumps({ | |
| 104 "backlight" : self.settings.board.getLcdBrightness()})) | |
| 105 | |
| 106 def put(self): | |
| 107 """param brightness=0 to brightness=255""" | |
| 108 self.settings.board.setLcdBrightness( | |
| 109 int(self.get_argument('brightness'))) | |
| 110 self.write("ok") | |
| 111 post = put | |
| 112 | |
| 822 | 113 |
| 114 class YardLight(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 115 def get(self): | |
| 116 self.set_header("Content-Type", "application/json") | |
| 117 self.write(json.dumps({ | |
| 118 "yardLight" : self.settings.board.getYardLight()})) | |
| 119 | |
| 120 def put(self): | |
| 121 """text true or false or 0 or 1""" | |
| 122 self.settings.board.setYardLight( | |
| 123 self.request.body.strip() in ['true', '1']) | |
| 124 self.write("ok") | |
| 125 post = put | |
| 126 | |
| 127 | |
| 805 | 128 class Door(PrettyErrorHandler, cyclone.web.RequestHandler): |
| 129 def get(self): | |
| 130 self.set_header("Content-Type", "text/plain") | |
| 131 self.write(self.settings.board.getDoor()) | |
| 132 | |
| 133 class Temperature(PrettyErrorHandler, cyclone.web.RequestHandler): | |
| 134 def get(self): | |
| 135 f = self.settings.board.getTemperature() | |
| 136 self.set_header("Content-Type", "application/json") | |
| 137 self.write(f) | |
| 138 | |
| 139 class Application(cyclone.web.Application): | |
| 140 def __init__(self, board): | |
| 141 handlers = [ | |
| 142 (r"/", index), | |
| 143 (r'/lcd', Lcd), | |
| 144 (r'/door', Door), | |
| 145 (r'/temperature', Temperature), | |
| 146 (r'/lcd/backlight', Backlight), | |
| 822 | 147 (r'/yardLight', YardLight), |
| 805 | 148 ] |
| 149 settings = {"board" : board} | |
| 150 cyclone.web.Application.__init__(self, handlers, **settings) | |
| 151 | |
| 152 | |
| 153 class Poller(object): | |
| 154 def __init__(self, board, postUrl, boardName): | |
| 155 self.board = board | |
| 156 self.postUrl = postUrl | |
| 157 self.boardName = boardName | |
| 158 self.last = None | |
| 159 | |
| 160 def poll(self): | |
| 161 try: | |
| 162 new = self.board.getDoor() | |
| 163 if new != self.last: | |
| 164 msg = json.dumps(dict(board=self.boardName, | |
| 165 name="frontDoor", state=new)) | |
| 166 getPage(self.postUrl, | |
| 167 method="POST", | |
| 168 postdata=msg, | |
| 169 headers={'Content-Type' : 'application/json'} | |
| 170 ).addErrback(self.reportError, msg) | |
| 171 | |
| 172 self.last = new | |
| 173 except (IOError, OSError): | |
| 174 os.abort() | |
| 175 except Exception, e: | |
| 176 print "poll error", e | |
| 177 traceback.print_exc() | |
| 178 | |
| 179 def reportError(self, msg, *args): | |
| 180 print "post error", msg, args | |
| 181 | |
| 182 if __name__ == '__main__': | |
| 183 | |
| 184 config = { # to be read from a file | |
|
823
0aafd40e4afc
move more ports to use /dev/serial/by-id/
drewp <drewp@bigasterisk.com>
parents:
822
diff
changeset
|
185 'arduinoPort': '/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A6004bUG-if00-port0', |
| 805 | 186 'servePort' : 9080, |
| 187 'pollFrequency' : 1, | |
| 188 'boardName' : 'frontDoor', # gets sent with updates | |
| 189 'doorChangePost' : 'http://bang.bigasterisk.com:9069/inputChange', | |
| 190 # todo: need options to preset inputs/outputs at startup | |
| 191 } | |
| 192 | |
| 822 | 193 #log.startLogging(sys.stdout) |
| 805 | 194 |
| 195 board = Board(port=config['arduinoPort']) | |
| 196 | |
| 197 p = Poller(board, config['doorChangePost'], config['boardName']) | |
| 198 task.LoopingCall(p.poll).start(1/config['pollFrequency']) | |
| 199 reactor.listenTCP(config['servePort'], Application(board)) | |
| 200 reactor.run() |