| 1 | #!/usr/bin/env python
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| 2 | # NPM 4000 powerbar managment script, to be used instead of the windows
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| 3 | # application.
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| 4 | #
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| 5 | # XXX: Not all features are ported yet (like amp monitoring)
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| 6 | # XXX: Some dirty poking around with hex representations and numeric representations of ports
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| 7 | # c2 04 ff ff a1 67XXX: Make proper classes for use
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| 8 | # XXX: Documentation
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| 9 | #
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| 10 | # Licence: BSD
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| 11 | # Version: $Id: npm4000.py 750 2009-09-27 14:34:55Z rick $
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| 12 | # Rick van der Zwet <info@rickvanderzwet.nl>
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| 13 |
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| 14 | import serial
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| 15 | import sys
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| 16 | import time
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| 17 | import random
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| 18 |
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| 19 | DEBUG = False
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| 20 |
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| 21 | def make_checksum(command):
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| 22 | crc = 0
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| 23 | for item in command:
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| 24 | crc ^= item
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| 25 | return crc
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| 26 |
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| 27 | def debug(msg):
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| 28 | if DEBUG:
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| 29 | print msg
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| 30 |
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| 31 | def hex_to_str(command):
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| 32 | return " ".join(["%02x" % item for item in command])
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| 33 |
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| 34 | def str_to_hex(s):
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| 35 | """Hexadecimal string representation of 's'"""
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| 36 | return [ord(x) for x in s]
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| 37 |
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| 38 | def port_to_hex(port_number):
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| 39 | if port_number <= 8:
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| 40 | port = 0xa0 + port_number
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| 41 | elif port_number <= 16:
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| 42 | port = 0xb0 + (port_number - 8)
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| 43 | elif port_number <= 24:
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| 44 | port = 0xc0 + (port_number - 16)
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| 45 | else:
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| 46 | assert False, "Invalid port port_number (%i)" % port_number
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| 47 | debug("%i - %02x" % (port_number, port))
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| 48 | return port
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| 49 |
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| 50 |
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| 51 | def hex_to_port(port):
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| 52 | base = port & 0xf0
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| 53 | index = port & 0x0f
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| 54 | if (base ^ 0xa0) == 0:
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| 55 | port_number = index + 0
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| 56 | elif (base ^ 0xb0) == 0:
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| 57 | port_number = index + 8
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| 58 | elif (base ^ 0xc0) == 0:
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| 59 | port_number = index + 16
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| 60 | else:
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| 61 | assert False, "Invalid port (%02x)" % port
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| 62 | debug("%02x - %i" % (port, port_number))
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| 63 | return port_number
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| 64 |
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| 65 |
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| 66 | def send_raw_command(ser, raw_command, response_size=1024):
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| 67 | """ Send command to serial device and wait for response """
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| 68 |
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| 69 | print "Going to send: " + hex_to_str(raw_command)
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| 70 | send_line = "".join([chr(item) for item in raw_command])
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| 71 | f = open('input.bin','w')
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| 72 | f.write(send_line)
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| 73 | f.close()
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| 74 |
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| 75 | ser.write(send_line)
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| 76 | recv_line = ser.read(response_size)
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| 77 | recv_command = str_to_hex(recv_line)
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| 78 | print "Received: %s (%i)" % (hex_to_str(recv_command), len(recv_line))
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| 79 |
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| 80 | #return(recv_command)
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| 81 |
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| 82 | def send_command(ser, command, response_size=1024):
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| 83 | raw_command = command + [make_checksum(command)]
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| 84 | return send_raw_command(ser, raw_command, response_size)
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| 85 |
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| 86 |
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| 87 |
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| 88 | #print "%02X" % make_checksum([0xAA, 0x03, 0xFF, 0xFF])
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| 89 |
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| 90 |
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| 91 | #[01:38:14] Send: 55 07 ff ff 12 34 56 78 5a ff ff d2 00
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| 92 | #[01:38:14] Recv: ff ff a9 d1 28 ff ff 00 07 00 11 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 28 00 28 00 00 10 ff
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| 93 | #[01:38:14] Comm: Refresh
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| 94 |
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| 95 | #55 07 ff ff 12 34 56 78 5a
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| 96 | action_login = [0x55, 0x07]
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| 97 | device_id = [0xff, 0xff]
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| 98 | password = [0x12, 0x34, 0x56, 0x78]
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| 99 |
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| 100 | ser = serial.Serial('/dev/ttyUSB0', 19200, timeout=5)
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| 101 | print ser
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| 102 |
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| 103 | # Login cycle
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| 104 | #command = action_login + device_id + password
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| 105 | #send_command(ser, command)
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| 106 |
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| 107 | # Refresh cycle
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| 108 | #action_refresh = [0xd2, 0x00]
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| 109 | #raw_command = command + [0x5a] + device_id + action_refresh
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| 110 | #send_raw_command(ser, raw_command)
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| 111 | # 55 07 ff ff 12 34 56 78 5a c2 04 ff ff a1 67
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| 112 | #send_raw_command(ser, [0x55,0x07,0xff,0xff,0x12,0x34,0x56,0x78,0x5a])
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| 113 | # 55 07 ff ff 12 34 56 78 5a d1 03 ff ff d2 00
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| 114 | #send_raw_command(ser, [0x55, 0x07, 0xff, 0xff, 0x12, 0x34, 0x56, 0x78, 0x5a, 0xd1, 0x03, 0xff, 0xff, 0xd2, 0x00])
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| 115 |
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| 116 | # 55 07 FF FF 12 34 56 78 5A D1 03 FF FF D2 00
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| 117 | login_line = [0x55, 0x07, 0xff, 0xff, 0x12, 0x34, 0x56, 0x78]
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| 118 | refresh_line = [0xd1, 0x03, 0xff, 0xff, 0xd2]
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| 119 | allon_line = [0xb1, 0x03, 0xff, 0xff]
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| 120 | alloff_line = [0xc1, 0x03, 0xff, 0xff]
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| 121 | port_on_line = [0xb2, 0x04, 0xff, 0xff, 0xa1]
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| 122 | port_off_line = [0xc2, 0x04, 0xff,0xff, 0xa1]
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| 123 | power_on_interval_125_line = [0xd6, 0x04, 0xff, 0xff, 0xfa, 0x28]
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| 124 | power_on_interval_05_line = [0xd6, 0x04, 0xff, 0xff, 0x01, 0xd3]
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| 125 |
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| 126 | def port_on_cmd(port_number):
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| 127 | line = port_on_line
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| 128 | line[4] = port_to_hex(port_number)
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| 129 | return line
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| 130 |
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| 131 | def port_off_cmd(port_number):
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| 132 | line = port_off_line
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| 133 | line[4] = port_to_hex(port_number)
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| 134 | return line
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| 135 |
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| 136 | # Note: you will need to wait at least timeout * 24 to complete
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| 137 | #ser.timeout = 13
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| 138 | #send_raw_command(ser, allon_line, 6)
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| 139 | #send_raw_command(ser, alloff_line,6)
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| 140 | #send_raw_command(ser, refresh_line, 42)
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| 141 | #send_raw_command(ser, power_on_interval_05_line,6)
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| 142 | #send_raw_command(ser,one_off_line,6)
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| 143 | while True:
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| 144 | port_number = random.randint(1,24)
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| 145 | print port_number
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| 146 | send_command(ser, login_line, 5)
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| 147 | send_command(ser, port_on_cmd(port_number),6)
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| 148 | send_command(ser, login_line, 5)
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| 149 | send_command(ser, port_off_cmd(port_number),6)
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| 150 |
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| 151 |
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| 152 | ser.close()
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| 153 |
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| 154 |
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| 155 |
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| 156 |
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| 157 | sys.exit(0)
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| 158 |
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| 159 | # XOR all the 8bit values to get a checksum
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| 160 | def checksum(s):
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| 161 | crc = 0
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| 162 | for p in range(0, len(s),2):
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| 163 | crc ^= int(s[p:p+2], 16)
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| 164 | return "%02X" % crc
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| 165 |
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| 166 | passwd = 0x12345678
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| 167 | addr_code = 0xFFFF
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| 168 |
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| 169 | verbose = False
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| 170 |
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| 171 | line2code = { 'login' : (0x5507, 1),
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| 172 | 'portOn' : (0xB204, 2),
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| 173 | 'portOff' : (0xC204, 2),
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| 174 | 'allPortsOff' : (0xC103, 6),
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| 175 | 'allPortsOn' : (0xB104, 15),
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| 176 | 'status' : (0xD103, 2),
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| 177 | 'knownError' : (0xFFFF, 1),
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| 178 | }
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| 179 |
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| 180 | # Socket used troughout the code
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| 181 | s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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| 182 |
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| 183 | def getCode(type):
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| 184 | return(line2code[type][0])
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| 185 |
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| 186 | def getTimeout(type):
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| 187 | return(line2code[type][1])
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| 188 |
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| 189 | def dprint(msg):
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| 190 | if verbose:
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| 191 | print time.strftime('[%Y-%m-%d %H:%M:%S]'), msg
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| 192 |
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| 193 | def getPortNumber(name):
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| 194 | port_char = name[0]
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| 195 | port_number = int(name[1])
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| 196 | number = -1
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| 197 | if port_char == 'A':
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| 198 | number = port_number
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| 199 | elif port_char == 'B':
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| 200 | number = port_number + 8
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| 201 | elif port_char == 'C':
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| 202 | number = port_number + 16
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| 203 | else:
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| 204 | raise ValueError, "Port %s not defined" % name
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| 205 |
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| 206 | return(number)
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| 207 |
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| 208 | def getPortName(number):
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| 209 | name = "U3"
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| 210 | if number <= 8:
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| 211 | name = "A%i" % number
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| 212 | elif number <= 16:
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| 213 | name = "B%i" % (number - 8)
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| 214 | elif number <= 24:
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| 215 | name = "C%i" % (number - 16)
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| 216 | else:
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| 217 | raise ValueError, "Port %i not defined" % number
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| 218 | return(name)
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| 219 |
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| 220 | def getPortHex(number):
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| 221 | return(int(getPortName(number),16))
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| 222 |
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| 223 | def generateCommand(type,arg=None):
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| 224 | if arg == None:
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| 225 | command = "%04X%04X" % (getCode(type), addr_code)
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| 226 | else:
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| 227 | command = "%04X%04X%02X" % (getCode(type), addr_code, arg)
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| 228 | command += checksum(command)
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| 229 | return (command)
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| 230 |
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| 231 |
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| 232 | def doCommand(type, arg=None):
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| 233 | sendCommand('login', passwd)
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| 234 | retval = sendCommand(type, arg)
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| 235 | #XXX: Check if command returned succesfull D128FF
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| 236 | return(retval)
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| 237 |
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| 238 |
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| 239 | def getPortState(port, raw_status):
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| 240 | """Port configuration is put into 24 bits, every port has one bit
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| 241 | representing the statewith a awkward order:
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| 242 | A8,A7,A6,A5,A4,A3,A2,A1,B8,..,B1,C8,..,C1"""
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| 243 | # Portion of retval we are interested in
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| 244 | ports_state = int(raw_status[8:14],16)
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| 245 | port_bit_location = -1
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| 246 | if port <= 8:
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| 247 | port_bit_location = (1 << 15 << port)
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| 248 | elif port <= 16:
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| 249 | port_bit_location = (1 << 7 << (port - 8))
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| 250 | elif port <= 24:
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| 251 | port_bit_location = (1 << (port - 16 - 1))
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| 252 |
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| 253 | if port_bit_location & ports_state:
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| 254 | return True
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| 255 | else:
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| 256 | return False
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| 257 |
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| 258 | def getPortStatus(i):
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| 259 | raw_status = doCommand('status')
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| 260 | print "Port %02i [%s]:" % (i, getPortName(i)),
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| 261 | if getPortState(i,raw_status):
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| 262 | print "1"
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| 263 | else:
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| 264 | print "0"
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| 265 | return(retval)
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| 266 |
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| 267 | raw_status= doCommand('status')
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| 268 | for i in range(1,25):
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| 269 | print "Port %02i [%s]:" % (i, getPortName(i)),
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| 270 | if getPortState(i,raw_status):
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| 271 | print "1"
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| 272 | else:
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| 273 | print "0"
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| 274 |
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| 275 | def togglePort(port):
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| 276 | if getPortState(port):
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| 277 | doCommand('portOff',port)
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| 278 | else:
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| 279 | doCommand('portOn', port)
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| 280 |
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| 281 |
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| 282 | def runTest():
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| 283 | print "TEST: Start will all port Offline"
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| 284 | doCommand('allPortsOff')
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| 285 |
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| 286 | print "TEST: All On and Off again, in mass execution"
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| 287 | doCommand('allPortsOn',0x01)
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| 288 | doCommand('allPortsOff')
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| 289 |
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| 290 | print "TEST: Enable and disable ports one by one"
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| 291 | for i in range(1,25):
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| 292 | print getPortName(i)
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| 293 | doCommand('portOn', getPortHex(i))
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| 294 | doCommand('portOff', getPortHex(i))
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| 295 |
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| 296 | print "TEST: Send known error"
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| 297 | doCommand('knownError')
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| 298 |
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| 299 |
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| 300 | def usage():
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| 301 | print """
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| 302 | Usage %s arguments
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| 303 | Version: $Id: npm4000.py 750 2009-09-27 14:34:55Z rick $
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| 304 |
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| 305 | Arguments:
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| 306 | [-h|--help] Reading right know
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| 307 | [-v|--verbose] Print extra communication output
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| 308 | --host= IP adress of FQDN hostname [%s]
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| 309 | --port= Port to connect to [%s]
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| 310 | --password= Password to use in hex notation [0x1234568]
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| 311 | --addresscode= Internal device number in hex notation [0xFFFF]
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| 312 | [-s|--status] Current port configuration
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| 313 | [-t <port>|--toggle=<port>] Toggle port(s)
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| 314 | [-o <port>|--on=<port>] Turn on port(s)
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| 315 | [-f <port>|--off=<port>] Turn off port(s)
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| 316 |
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| 317 | Note: <port> has different notations:
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| 318 | Numeric value of port 1,2,3,4,5,..
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| 319 | Actual value of port A1,..,A8,B1,..,B8,C1,..,C8
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| 320 | All ports all
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| 321 | """ % (sys.argv[0], inet_addr, inet_port)
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| 322 |
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| 323 | def main():
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| 324 | global verbose, addr_code, inet_addr, inet_port, passwd, s
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| 325 | try:
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| 326 | opts, args = getopt.getopt(sys.argv[1:],
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| 327 | "hf:s:t:o:v", ["help","verbose","host=", "port=", "password=", "addresscode=","toggle=","off=", "on=", "status="])
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| 328 | except getopt.GetoptError, err:
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| 329 | # print help information and exit:
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| 330 | print str(err) # will print something like "option -a not recognized"
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| 331 | usage()
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| 332 | sys.exit(2)
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| 333 |
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| 334 | opt_port = None
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| 335 | opt_action = None
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| 336 | for o, a in opts:
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| 337 | if o in ("-v", "--verbose"):
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| 338 | verbose = True
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| 339 | elif o in ("-h", "--help"):
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| 340 | usage()
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| 341 | sys.exit()
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| 342 | elif o in ("--addresscode"):
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| 343 | addr_code = int(a,16)
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| 344 | elif o in ("--host"):
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| 345 | inet_addr = a
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| 346 | elif o in ("--password"):
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| 347 | passwd = int(a,16)
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| 348 | elif o in ("--port"):
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| 349 | inet_port = a
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| 350 | elif o in ("-s", "--status"):
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| 351 | opt_action = "status"
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| 352 | opt_port = a
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| 353 | elif o in ("-t","--toggle"):
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| 354 | opt_action = "toggle"
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| 355 | opt_port = a
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| 356 | elif o in ("-f","--off"):
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| 357 | opt_action = "off"
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| 358 | opt_port = a
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| 359 | elif o in ("-o","--on"):
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| 360 | opt_action = "on"
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| 361 | opt_port = a
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| 362 | else:
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| 363 | assert False, "unhandled option"
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| 364 |
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| 365 | if (opt_port == None or opt_action == None):
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| 366 | usage()
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| 367 | sys.exit(2)
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| 368 |
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| 369 | dprint ('action: ' + opt_action + ' port: ' + opt_port)
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| 370 |
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| 371 | # Status needs real integers, hack
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| 372 | if opt_action == "status":
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| 373 | if opt_port == "all":
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| 374 | getStatusAll()
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| 375 | else:
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| 376 | print "XXX: Implement"
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| 377 | sys.exit(0)
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| 378 |
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| 379 | # Resolve port to proper number
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| 380 | if opt_port == "all":
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| 381 | None # Blank resolution, as it is done elsewhere
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| 382 | elif opt_port[0] in ("A","B","C"):
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| 383 | opt_port = int(opt_port,16)
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| 384 | dprint('Hexcode of port: %i' % opt_port)
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| 385 | else:
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| 386 | # Dirty hack to have conversion and checking at the same time
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| 387 | opt_port = getPortHex(int(opt_port))
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| 388 | dprint('Hexcode of port: %i' % opt_port)
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| 389 |
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| 390 | if opt_action == "toggle":
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| 391 | if opt_port == "all":
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| 392 | for i in range(1,25):
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| 393 | togglePort(getPortHex(i))
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| 394 | else:
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| 395 | togglePort(opt_port)
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| 396 | elif opt_action == "on":
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| 397 | if opt_port == "all":
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| 398 | doCommand("allPortsOn",0x01)
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| 399 | else:
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| 400 | doCommand("portOn", opt_port)
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| 401 | elif opt_action == "off":
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| 402 | if opt_port == "all":
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| 403 | doCommand("allPortsOff");
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| 404 | else:
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| 405 | doCommand("portOn", opt_port)
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| 406 |
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| 407 |
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| 408 | if __name__ == "__main__":
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| 409 | main()
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