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annotate service/starArduino/starArduino.py @ 90:80efeab5c02f

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fix broken request paths Ignore-this: dbfef5f7358cf2b89dc58dd3c377041c
author drewp@bigasterisk.com
date Fri, 16 Aug 2013 22:54:53 -0700
parents 4e34fd9aee00
children ca380454d176
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1 """
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2 arduino driver for the nightlight+buttons+temp setup running on star
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3
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4 """
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5 from __future__ import division
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6
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7 import sys,json
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8 from twisted.internet import reactor, task
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9 import cyclone.web, restkit
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11 sys.path.append("/my/proj/pixel/shiftweb")
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12 from drvarduino import ShiftbriteArduino
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13 from shiftweb import hexFromRgb, rgbFromHex
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14
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15 sys.path.append("/my/proj/homeauto/lib")
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16 from cycloneerr import PrettyErrorHandler
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17 from logsetup import log
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18
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19 sys.path.append("/my/proj/ariremote")
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20 from oscserver import ArduinoWatcher
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21
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22 class Index(PrettyErrorHandler, cyclone.web.RequestHandler):
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23 def get(self):
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24 self.settings.arduino.ping()
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25
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26 self.set_header("Content-Type", "application/xhtml+xml")
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27 self.write(open("index.html").read())
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28
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29 class Temperature(PrettyErrorHandler, cyclone.web.RequestHandler):
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30 def get(self):
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31 f = self.settings.arduino.getTemperature()
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32 self.set_header("Content-Type", "application/json")
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33 self.write(json.dumps({"temp" : f}))
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35 class Brite(PrettyErrorHandler, cyclone.web.RequestHandler):
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36 def get(self, pos):
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37 self.set_header("Content-Type", "text/plain")
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38 self.write(hexFromRgb(self.settings.colors[int(pos)]))
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39
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40 def put(self, pos):
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41 channel = int(pos)
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42 colors = self.settings.colors
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43 colors[channel] = rgbFromHex(self.request.body)
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44 self.settings.arduino.update(colors)
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45 self.set_header("Content-Type", "text/plain")
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46 self.write("updated %r" % colors)
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47
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48 class Barcode(PrettyErrorHandler, cyclone.web.RequestHandler):
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49 def get(self):
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50 self.set_header("Content-Type", "text/plain")
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51 ard = self.settings.arduino
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52 ard.ser.write("\x60\x02")
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53 self.write(str(ard.readJson()))
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54
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55 class BarcodeBeep(PrettyErrorHandler, cyclone.web.RequestHandler):
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56 def put(self):
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57 self.set_header("Content-Type", "text/plain")
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58 ard = self.settings.arduino
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59 ard.ser.write("\x60\x03")
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60 self.write(str(ard.readJson()))
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61
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62 def barcodeWatch(arduino, postBarcode):
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63 arduino.ser.write("\xff\xfb")
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64 ret = arduino.readJson()
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65 if not ret['barcode']:
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66 return
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67 if ret['barcode'] == "27 80 48 13 ":
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68 return # scanner's beep response
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69
66
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70 arduino.ser.write("\xff\xfc")
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71 arduino.readJson() # my beep response
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72 s = ''.join(chr(int(x)) for x in ret['barcode'].split())
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73 for code in s.split('\x02'):
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74 if not code:
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75 continue
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76 if not code.endswith('\x03'):
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77 print "couldn't read %r" % code
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78 return
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79 codeType = {'A':'UPC-A',
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80 'B':'JAN-8',
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81 'E':'UPC-E',
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82 'N':'NW-7',
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83 'C':'CODE39',
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84 'I':'ITF',
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85 'K':'CODE128',
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86 }[code[0]]
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87 code = code[1:-1]
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88 try:
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89 postBarcode.post(payload=json.dumps(
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90 {'barcodeType':codeType, 'code':code}),
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91 headers={"content-type" :
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92 "application/json"})
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93 except Exception, e:
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94 print "post err", e
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95
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96
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97 class Graph(PrettyErrorHandler, cyclone.web.RequestHandler):
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98 def get(self):
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99 raise NotImplementedError
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100
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101 if __name__ == '__main__':
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102 class A(ShiftbriteArduino):
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103 # from loggingserial.py
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104 def readJson(self):
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105 line = ''
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106 while True:
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107 c = self.ser.read(1)
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108 #print "gotchar", repr(c)
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109 if c:
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110 line += c
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111 if c == "\n":
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112 break
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113 else:
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114 raise ValueError("timed out waiting for chars")
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115 return json.loads(line)
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116
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117 sb = A(numChannels=3)
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118
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119 colors = [(0,0,0)] * sb.numChannels
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120
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121 aw = ArduinoWatcher(sb)
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122 task.LoopingCall(aw.poll).start(1.0/20)
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123
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124 postBarcode = restkit.Resource('http://star:9011/barcodeScan')
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125 task.LoopingCall(barcodeWatch, sb, postBarcode).start(interval=.5)
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126
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127 reactor.listenTCP(9014, cyclone.web.Application([
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128 (r'/', Index),
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129 (r'/temperature', Temperature),
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130 (r'/brite/(\d+)', Brite),
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131 (r'/barcode', Barcode),
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132 (r'/barcode/beep', BarcodeBeep),
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133 (r'/graph', Graph),
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134 ], arduino=sb, colors=colors))
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135 reactor.run()