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annotate service/starArduino/starArduino.py @ 462:7ec5945752b7

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some old Measurement and Locator edits Ignore-this: 188ecdf63f49b7a58f99a5961c6c23a6
author drewp@bigasterisk.com
date Sat, 20 Apr 2019 23:35:46 -0700
parents ca380454d176
children
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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 from rdflib import Namespace
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10 import cyclone.web
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11 from cyclone.httpclient import fetch
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12
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13 sys.path.append("/my/proj/pixel/shiftweb")
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14 from drvarduino import ShiftbriteArduino
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15 from shiftweb import hexFromRgb, rgbFromHex
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16
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17 sys.path.append("/my/proj/homeauto/lib")
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18 from cycloneerr import PrettyErrorHandler
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19 from logsetup import log
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20
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21 sys.path.append("/my/proj/ariremote")
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22 from oscserver import ArduinoWatcher
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23 ROOM = Namespace("http://projects.bigasterisk.com/room/")
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26 class Index(PrettyErrorHandler, cyclone.web.RequestHandler):
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27 def get(self):
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28 self.settings.arduino.ping()
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29
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30 self.set_header("Content-Type", "application/xhtml+xml")
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31 self.write(open("index.html").read())
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32
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33 class Temperature(PrettyErrorHandler, cyclone.web.RequestHandler):
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34 def get(self):
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35 f = self.settings.arduino.getTemperature()
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36 self.set_header("Content-Type", "application/json")
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37 self.write(json.dumps({"temp" : f}))
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38
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39 class Brite(PrettyErrorHandler, cyclone.web.RequestHandler):
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40 def get(self, pos):
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41 self.set_header("Content-Type", "text/plain")
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42 self.write(hexFromRgb(self.settings.colors[int(pos)]))
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43
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44 def put(self, pos):
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45 channel = int(pos)
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46 colors = self.settings.colors
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47 colors[channel] = rgbFromHex(self.request.body)
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48 self.settings.arduino.update(colors)
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49 self.set_header("Content-Type", "text/plain")
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50 self.write("updated %r" % colors)
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51
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52 class Barcode(PrettyErrorHandler, cyclone.web.RequestHandler):
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53 def get(self):
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54 self.set_header("Content-Type", "text/plain")
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55 ard = self.settings.arduino
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56 ard.ser.write("\x60\x02")
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57 self.write(str(ard.readJson()))
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58
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59 class BarcodeBeep(PrettyErrorHandler, cyclone.web.RequestHandler):
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60 def put(self):
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61 self.set_header("Content-Type", "text/plain")
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62 ard = self.settings.arduino
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63 ard.ser.write("\x60\x03")
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64 self.write(str(ard.readJson()))
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65
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66 def barcodeWatch(arduino, postBarcode):
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67 arduino.ser.write("\xff\xfb")
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68 ret = arduino.readJson()
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69 if not ret['barcode']:
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70 return
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71 if ret['barcode'] == "27 80 48 13 ":
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72 return # scanner's beep response
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73
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74 arduino.ser.write("\xff\xfc")
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75 arduino.readJson() # my beep response
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76 s = ''.join(chr(int(x)) for x in ret['barcode'].split())
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77 for code in s.split('\x02'):
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78 if not code:
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79 continue
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80 if not code.endswith('\x03'):
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81 log.warn("couldn't read %r", code)
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82 return
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83 codeType = {'A':'UPC-A',
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84 'B':'JAN-8',
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85 'E':'UPC-E',
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86 'N':'NW-7',
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87 'C':'CODE39',
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88 'I':'ITF',
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89 'K':'CODE128',
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90 }[code[0]]
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91 code = code[1:-1]
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92 body = "%s %s %s ." % (
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93 ROOM['barcodeScan'].n3(),
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94 ROOM['read'].n3(),
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95 ROOM['barcode/%s/%s' % (codeType, code)].n3())
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96 body = body.encode('utf8')
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97 print "body: %r" % body
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98 fetch("http://bang:9071/oneShot",
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99 method='POST',
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100 timeout=1,
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101 postdata=body,
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102 headers={"content-type" : ["text/n3"]},
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103 ).addErrback(log.error)
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104
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105 class Graph(PrettyErrorHandler, cyclone.web.RequestHandler):
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106 def get(self):
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107 raise NotImplementedError
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108
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109 if __name__ == '__main__':
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110 class A(ShiftbriteArduino):
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111 # from loggingserial.py
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112 def readJson(self):
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113 line = ''
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114 while True:
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115 c = self.ser.read(1)
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116 #print "gotchar", repr(c)
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117 if c:
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118 line += c
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119 if c == "\n":
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120 break
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121 else:
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122 raise ValueError("timed out waiting for chars")
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123 return json.loads(line)
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124
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125 sb = A(numChannels=3)
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126
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127 colors = [(0,0,0)] * sb.numChannels
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128
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129 aw = ArduinoWatcher(sb)
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130 task.LoopingCall(aw.poll).start(1.0/20)
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131
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132 postBarcode = 'http://star:9011/barcodeScan'
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133 task.LoopingCall(barcodeWatch, sb, postBarcode).start(interval=.5)
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134
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135 reactor.listenTCP(9014, cyclone.web.Application([
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136 (r'/', Index),
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137 (r'/temperature', Temperature),
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138 (r'/brite/(\d+)', Brite),
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139 (r'/barcode', Barcode),
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140 (r'/barcode/beep', BarcodeBeep),
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141 (r'/graph', Graph),
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142 ], arduino=sb, colors=colors))
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143 reactor.run()