Mercurial > ~darius > hgwebdir.cgi > epro

annotate epro.py @ 3:6d0fe22566ab

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Fix cut & paste error for variable name, report disconnected sensor specially.
author Daniel O'Connor <darius@dons.net.au>
date Sun, 19 Nov 2017 18:07:55 +1030
parents 1de08e57774f
children 787d9c8fdec6
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1 #!/usr/bin/env python
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2
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3 # View facing ePro from the back
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4 # +---+
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5 # +-| |-|
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6 # | |
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7 # | |
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8 # +-------+
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9 # 1 ... 6
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10 #
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11 # RJ12 plug (Jaycar cable colours)
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12 # 1 white temp out
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13 # 2 black temp in
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14 # 3 red GND
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15 # 4 green TX TTL (5V)
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16 # 5 yellow RX TTL (5V)
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17 # 6 blue VCC (12V)
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18 #
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19 # 2400bps 8E1
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20 # s = serial.Serial('/dev/cu.usbserial-AM01Z7TZ', 2400, parity='E')
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21
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22 class Packet(object):
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23 MSGTYPE = -1
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24
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25 def __init__(self, dstadr, srcadr, devid, msgtype, data):
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26 self.dstadr = dstadr
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27 self.srcadr = srcadr
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28 self.devid = devid
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29 self.msgtype = msgtype
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30 self.data = data
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31
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32 def __repr__(self):
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33 hdr = "Src: 0x%02x Dst: 0x%02x DevID: 0x%02x MsgType: 0x%02x" % (
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34 self.dstadr, self.srcadr, self.devid, self.msgtype)
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35 # MSGTYPE is overridden for subclasses which also have their own repr so don't dumb data here
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36 if self.MSGTYPE == -1:
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37 hdr += " Data:"
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38 for d in self.data:
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39 hdr += " 0x%02x" % (d)
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40 else:
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41 hdr += " Name: " + self.MSGNAME
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42
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43 return hdr
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44
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45 class MainVoltage(Packet):
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46 """Main Battery Voltage"""
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47 MSGTYPE = 0x60
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48 MSGNAME = "Main Voltage"
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49 LEN = 3
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50
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51 def __init__(self, dstadr, srcadr, devid, msgtype, data):
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52 super(MainVoltage, self).__init__(dstadr, srcadr, devid, msgtype, data)
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53 self.volts = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x03) << 14) / 100.0
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54
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55 def __repr__(self):
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56 s = super(MainVoltage, self).__repr__()
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57 s += ": %.2f V" % (self.volts)
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58 return s
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59
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60 class BatteryCurrent(Packet):
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61 """Main Battery Current"""
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62 MSGTYPE = 0x61
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63 MSGNAME = "Battery Current"
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64 LEN = 3
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65
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66 def __init__(self, dstadr, srcadr, devid, msgtype, data):
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67 super(BatteryCurrent, self).__init__(dstadr, srcadr, devid, msgtype, data)
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68 self.amps = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x3f) << 14) / 100.0
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69 if data[2] & 0x40:
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70 self.amps *= -1
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71
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72 def __repr__(self):
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73 s = super(BatteryCurrent, self).__repr__()
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74 s += ": %.2f A" % (self.amps)
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75 return s
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76
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77 class AmpHours(Packet):
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78 """Number of amp hours removed from the battery"""
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79 MSGTYPE = 0x62
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80 MSGNAME = "Amp Hours"
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81 LEN = 3
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82
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83 def __init__(self, dstadr, srcadr, devid, msgtype, data):
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84 super(AmpHours, self).__init__(dstadr, srcadr, devid, msgtype, data)
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85 self.amphrs = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x3f) << 14) / 100.0
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86 if data[2] & 0x40:
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87 self.amphrs *= -1
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88
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89 def __repr__(self):
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90 s = super(AmpHours, self).__repr__()
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91 s += ": %.2f Ah" % (self.amphrs)
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92 return s
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93
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94 class StateOfCharge(Packet):
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95 """State of battery charge"""
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96 MSGTYPE = 0x64
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97 MSGNAME = "State Of Charge"
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98 LEN = 3
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99
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100 def __init__(self, dstadr, srcadr, devid, msgtype, data):
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101 super(StateOfCharge, self).__init__(dstadr, srcadr, devid, msgtype, data)
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102 self.soc = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x03) << 14) / 10.0
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103
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104 def __repr__(self):
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105 s = super(StateOfCharge, self).__repr__()
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106 s += ": %.2f%%" % (self.soc)
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107 return s
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108
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109 class TimeRemaining(Packet):
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110 """Time remaining until battery needs charging"""
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111 MSGTYPE = 0x65
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112 MSGNAME = "Time remaining"
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113 LEN = 3
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114
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115 def __init__(self, dstadr, srcadr, devid, msgtype, data):
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116 super(TimeRemaining, self).__init__(dstadr, srcadr, devid, msgtype, data)
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117 self.time = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x3f) << 14)
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118 if data[2] & 0x40:
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119 self.time *= -1
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120
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121 def __repr__(self):
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122 s = super(TimeRemaining, self).__repr__()
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123 s += ": %.2f min" % (self.time)
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124 return s
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125
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126 class BatteryTemperature(Packet):
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127 """Battery temperature (degrees Celcius)"""
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128 MSGTYPE = 0x66
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
129 MSGNAME = "Battery Temperature"
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
130 LEN = 3
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
131
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
132 def __init__(self, dstadr, srcadr, devid, msgtype, data):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
133 super(BatteryTemperature, self).__init__(dstadr, srcadr, devid, msgtype, data)
3
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
134 self.temp = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x3f) << 14) / 10.0
0
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
135 if data[2] & 0x40:
3
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
136 self.temp *= -1
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
137 if self.temp == -20:
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
138 self.temp = None
0
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
139
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
140 def __repr__(self):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
141 s = super(BatteryTemperature, self).__repr__()
3
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
142 if self.temp == None:
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
143 s += ": n/a"
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
144 else:
6d0fe22566ab Fix cut & paste error for variable name, report disconnected sensor specially.
Daniel O'Connor <darius@dons.net.au>
parents: 0
diff changeset
145 s += ": %.2f degC" % (self.temp)
0
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
146 return s
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
147
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
148 class MonitorStatus(Packet):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
149 """Monitor status"""
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
150 MSGTYPE = 0x67
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
151 MSGNAME = "Monitor Status"
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
152 LEN = 3
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
153
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
154 def __init__(self, dstadr, srcadr, devid, msgtype, data):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
155 super(MonitorStatus, self).__init__(dstadr, srcadr, devid, msgtype, data)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
156 self.autosyncvolt = data[0] & 0x10
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
157 self.autosyncamp = data[0] & 0x08
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
158 self.autosyncchrg = data[0] & 0x04
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
159 self.e501compat = data[0] & 0x02
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
160 self.alarmtst = data[0] & 0x01
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
161 self.backlight = data[1] & 0x40
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
162 self.disptst = data[1] & 0x20
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
163 self.tempsense = data[1] & 0x10 # Seems to be inverted from data sheet
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
164 self.auxhv = data[1] & 0x08
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
165 self.auxlv = data[1] & 0x04
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
166 self.lock = data[1] & 0x02
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
167 self.mainhv = data[1] & 0x01
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
168 self.mainlv = data[2] & 0x40
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
169 self.lowbatalarm = data[2] & 0x20
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
170 self.batflat = data[2] & 0x10
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
171 self.batfull = data[2] & 0x08
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
172 self.charged = data[2] & 0x04
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
173 self.nosync = data[2] & 0x02
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
174 self.monreset = data[2] & 0x01
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
175
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
176 def __repr__(self):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
177 s = super(MonitorStatus, self).__repr__()
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
178 stats = ( ( "ASV", self.autosyncvolt ), ( "ASA", self.autosyncamp ), ( "ASC" , self.autosyncchrg ),
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
179 ( "E501", self.e501compat ), ( "Alarm test", self.alarmtst ), ( "Light", self.backlight ),
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
180 ( "Temperature Sensor", self.tempsense ), ( "Aux HV", self.auxhv ), ( "Aux LV", self.auxlv ),
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
181 ( "Lock", self.lock ), ( "Main HV", self.mainhv ), ( "Main LV", self.mainlv ),
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
182 ( "Low Battery", self.lowbatalarm ), ( "Battery Flat", self.batfull ),
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
183 ( "Battery Full", self.batfull ), ( "Battery Charged", self.charged ),
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
184 ( "No Sync", self.nosync ), ( "Monitor Reset", self.monreset ) )
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
185 for (short, var) in stats:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
186 if var:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
187 s += " %s : True" % (short)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
188 else:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
189 s += " %s : False" % (short)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
190
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
191 return s
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
192
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
193 class AuxVoltage(Packet):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
194 """Aux Battery Voltage"""
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
195 MSGTYPE = 0x68
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
196 MSGNAME = "Aux Voltage"
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
197 LEN = 3
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
198
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
199 def __init__(self, dstadr, srcadr, devid, msgtype, data):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
200 super(AuxVoltage, self).__init__(dstadr, srcadr, devid, msgtype, data)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
201 self.volts = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x03) << 14) / 100.0
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
202
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
203 def __repr__(self):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
204 s = super(AuxVoltage, self).__repr__()
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
205 s += ": %.2f V" % (self.volts)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
206 return s
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
207
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
208 class Processor(object):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
209 PKT_TYPES = { MainVoltage.MSGTYPE : MainVoltage, BatteryCurrent.MSGTYPE : BatteryCurrent,
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
210 AmpHours.MSGTYPE : AmpHours, StateOfCharge.MSGTYPE : StateOfCharge,
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
211 TimeRemaining.MSGTYPE : TimeRemaining, BatteryTemperature.MSGTYPE : BatteryTemperature,
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
212 MonitorStatus.MSGTYPE : MonitorStatus, AuxVoltage.MSGTYPE : AuxVoltage }
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
213
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
214 def __init__(self):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
215 self.state = 0
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
216 self.packets = []
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
217
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
218 def process(self, dat):
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
219 for d in dat:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
220 d = ord(d)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
221 if d == 0xff and self.state != 4:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
222 print "Packet corruption"
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
223 continue
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
224
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
225 if self.state == 0:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
226 # Waiting for destination address (MSB set but not 0xff as that is EOM)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
227 if d == 0xff or d & 0x80 == 0:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
228 print "Skipping byte"
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
229 continue
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
230 self.dstadr = d & 0x7f
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
231 self.data = []
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
232 self.state += 1
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
233 elif self.state == 1:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
234 # Source address
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
235 self.srcadr = d
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
236 self.state += 1
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
237 elif self.state == 2:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
238 # Device ID
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
239 self.devid = d
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
240 self.state += 1
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
241 elif self.state == 3:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
242 # Message type
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
243 self.msgtype = d
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
244 self.state += 1
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
245 elif self.state == 4:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
246 # Data
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
247 if d != 0xff:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
248 self.data.append(d)
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
249 continue
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
250 self.state = 0
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
251 if self.msgtype in Processor.PKT_TYPES:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
252 t = self.PKT_TYPES[self.msgtype]
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
253 if len(self.data) != t.LEN:
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
254 print "Packet length incorrect, expected %d got %d" % (t.LEN, len(self.data))
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
255 continue
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
parents:
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256
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257 p = self.PKT_TYPES[self.msgtype](self.dstadr, self.srcadr, self.devid, self.msgtype, self.data)
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258 else:
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259 p = Packet(self.dstadr, self.srcadr, self.devid, self.msgtype, self.data)
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260
1de08e57774f Initial comit of code to talk to EnerDrive ePro battery monitor
Daniel O'Connor <darius@dons.net.au>
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261 print p
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262 self.packets.append(p)
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263
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264 if __name__ == '__main__':
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265 main()