| 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 | # TODO: Not all features are ported yet (like amp monitoring)
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| 6 | # TODO: Error handling not implemented
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| 7 | #
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| 8 | # Licence: BSD
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| 9 | # Version: $Id: serial-npm4000.py 162 2010-07-16 13:53:19Z rick $
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| 10 | # Rick van der Zwet <info@rickvanderzwet.nl>
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| 11 |
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| 12 | import serial
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| 13 | import sys
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| 14 | import time
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| 15 | import random
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| 16 | import getopt
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| 17 |
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| 18 | # Set to true to enable verbose communication aka debugging
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| 19 | DEBUG = False
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| 20 |
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| 21 | # Default for options
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| 22 | opt_serial_port = '/dev/ttyUSB0'
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| 23 | opt_password = 0x12345678
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| 24 | opt_address_code = 0xFFFF
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| 25 | opt_baudrate = 19200
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| 26 | opt_delay = 0.0
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| 27 |
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| 28 | # Serial connection port status is cached globally to avoid overhead
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| 29 | ser = None
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| 30 | port_status_synced = False
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| 31 | ports_status = None
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| 32 | ports_ampere = None
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| 33 | # Segment A, B, C
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| 34 | grid_status = None
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| 35 |
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| 36 | def make_checksum(command):
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| 37 | """ Generate CRC checksum using XOR on all bytes """
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| 38 | crc = 0
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| 39 | for item in command:
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| 40 | crc ^= item
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| 41 | return crc
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| 42 |
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| 43 |
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| 44 |
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| 45 | def debug(msg):
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| 46 | """ Print debug statement if DEBUG is set """
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| 47 | if DEBUG:
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| 48 | print msg
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| 49 |
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| 50 |
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| 51 |
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| 52 | def hex_to_str(command):
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| 53 | """ Human readable representation of command """
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| 54 | return " ".join(["%02x" % item for item in command])
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| 55 |
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| 56 |
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| 57 |
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| 58 | def str_to_hex(s):
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| 59 | """ Hexadecimal string representation of 's' """
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| 60 | return [ord(x) for x in s]
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| 61 |
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| 62 |
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| 63 |
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| 64 | def port_to_hex(port_number):
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| 65 | """ Convert integer port number to hexadecimal presentation as internal
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| 66 | location
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| 67 | """
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| 68 | if port_number < 1:
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| 69 | assert False, "Invalid port port_number (%i)" % port_number
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| 70 | if port_number <= 8:
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| 71 | port = 0xa0 + port_number
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| 72 | elif port_number <= 16:
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| 73 | port = 0xb0 + (port_number - 8)
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| 74 | elif port_number <= 24:
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| 75 | port = 0xc0 + (port_number - 16)
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| 76 | else:
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| 77 | assert False, "Invalid port port_number (%i)" % port_number
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| 78 | debug("%i - %02x" % (port_number, port))
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| 79 | return port
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| 80 |
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| 81 |
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| 82 |
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| 83 | def hex_to_port(port):
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| 84 | """ Convert hexadecimal port to human port number """
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| 85 | base = port & 0xf0
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| 86 | index = port & 0x0f
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| 87 | if (base ^ 0xa0) == 0:
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| 88 | port_number = index + 0
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| 89 | elif (base ^ 0xb0) == 0:
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| 90 | port_number = index + 8
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| 91 | elif (base ^ 0xc0) == 0:
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| 92 | port_number = index + 16
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| 93 | else:
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| 94 | assert False, "Invalid port (%02x)" % port
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| 95 | debug("%02x - %i" % (port, port_number))
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| 96 | return port_number
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| 97 |
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| 98 |
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| 99 |
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| 100 | def send_raw_command(raw_command, response_size=1024):
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| 101 | """ Send raw command to serial device and wait for response """
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| 102 |
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| 103 | debug("Going to send: " + hex_to_str(raw_command))
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| 104 | send_line = "".join([chr(item) for item in raw_command])
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| 105 | ser.write(send_line)
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| 106 | recv_line = ser.read(response_size)
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| 107 | recv_command = str_to_hex(recv_line)
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| 108 | debug("Received: %s (%i)" % (hex_to_str(recv_command), len(recv_line)))
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| 109 | return(recv_command)
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| 110 |
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| 111 |
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| 112 |
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| 113 | def address_to_num(address):
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| 114 | """ Convert internal address representation to integer """
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| 115 | return (address[0] << 8) ^ address[1]
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| 116 |
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| 117 |
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| 118 |
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| 119 | def num_to_address(npm_number):
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| 120 | """ Convert address number to internal representation """
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| 121 | return [npm_number >> 8, npm_number & 0x00ff]
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| 122 |
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| 123 |
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| 124 |
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| 125 | def bin_reverse(number,width=8):
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| 126 | """Little hacking using string logic to binary reverse number"""
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| 127 | return int(bin(number)[2:].zfill(width)[::-1],2)
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| 128 |
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| 129 |
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| 130 | # Login cycle
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| 131 | #command = action_login + device_id + password
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| 132 | #send_command(ser, command)
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| 133 | # Reference implementation lines
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| 134 | # A = action, B = address, C = password, P = port
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| 135 | # Mostly of type [A, A, B, B, C, C, C, C] or [A, A, B, B] or [A, A, B, B, P]
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| 136 | # (command, return_type, timeout)
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| 137 | line = dict()
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| 138 | line['login'] = ([0x55, 0x07, 0xff, 0xff, 0x12, 0x34, 0x56, 0x78], 5, 1)
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| 139 | line['status'] = ([0xd1, 0x03, 0xff, 0xff], 42, 1)
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| 140 | line['allon'] = ([0xb1, 0x03, 0xff, 0xff], 6, 13)
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| 141 | line['alloff'] = ([0xc1, 0x03, 0xff, 0xff], 6, 13)
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| 142 | line['port_on'] = ([0xb2, 0x04, 0xff, 0xff, 0xa1], 6, 1)
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| 143 | line['port_off'] = ([0xc2, 0x04, 0xff,0xff, 0xa1], 6, 1)
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| 144 | line['power_on_interval_125'] = ([0xd6, 0x04, 0xff, 0xff, 0xfa, 0x28], 5, 1)
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| 145 | line['power_on_interval_05'] = ([0xd6, 0x04, 0xff, 0xff, 0x01, 0xd3], 5, 1)
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| 146 | line['change_address_code'] = ([0x05, 0x00, 0xff, 0xff, 0x00, 0x04], 5, 1)
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| 147 | line['modify_password'] = ([0xd3, 0x07, 0xff, 0xff, 0x11, 0x11, 0x11, 0x11], 5, 1)
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| 148 |
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| 149 | def num_to_hex(number):
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| 150 | """ Number to internal hexadecimal representation """
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| 151 | if number == None:
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| 152 | return []
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| 153 | length = len(hex(number)[2:]) + (len(hex(number)[2:]) % 2)
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| 154 | return [int(hex(number)[2:].zfill(length)[x:x+2],16) for x in range(0,length,2)]
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| 155 |
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| 156 | #print hex_to_str(num_to_hex(opt_password))
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| 157 | #exit(0)
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| 158 |
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| 159 |
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| 160 |
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| 161 | def send_command(action, argument=[]):
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| 162 | """ Send CRC computed command to serial device and wait for response """
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| 163 | (command, response_size, timeout) = line[action]
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| 164 | if not isinstance(argument, list):
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| 165 | argument = num_to_hex(argument)
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| 166 | command = command[0:2] + num_to_hex(opt_address_code) + argument
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| 167 | serial.timeout = timeout
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| 168 | raw_command = command + [make_checksum(command)]
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| 169 | return send_raw_command(raw_command, response_size)
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| 170 |
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| 171 |
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| 172 | def action_login():
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| 173 | """ Login to device """
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| 174 | return send_command('login', opt_password)
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| 175 |
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| 176 | def action_status():
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| 177 | """ Get port status from device """
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| 178 | action_login()
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| 179 | return send_command('status')
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| 180 |
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| 181 | def action_port_on(port):
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| 182 | """ Enable port on device """
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| 183 | global port_status_synced
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| 184 | port_status_synced = False
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| 185 |
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| 186 | action_login()
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| 187 | return send_command('port_on', port_to_hex(port))
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| 188 |
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| 189 | def action_port_off(port):
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| 190 | """ Disable port on device """
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| 191 | global port_status_synced
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| 192 | port_status_synced = False
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| 193 |
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| 194 | action_login()
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| 195 | return send_command('port_off', port_to_hex(port))
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| 196 |
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| 197 | def action_toggle_port(port):
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| 198 | """ Toggle port state """
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| 199 | if get_port_status(port):
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| 200 | action_port_off(port)
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| 201 | else:
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| 202 | action_port_on(port)
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| 203 |
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| 204 | def get_ports_status():
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| 205 | global ports_status, port_status_synced, ports_ampere, grid_status
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| 206 | ports_status_synced = False
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| 207 | # Example port 1 is off
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| 208 | # d1 28 ff ff fe ff ff
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| 209 | # ^^ ^^ ^^
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| 210 | # TODO: Implement Ampere monitoring
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| 211 | #[01:38:14] Send: 55 07 ff ff 12 34 56 78 5a ff ff d2 00
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| 212 | #[01:38:14] Recv: ff ff a9 d1 28 ff ff 00 07 00 11 00 00 00 00 00 00 00 00
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| 213 | # 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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| 214 | # 28 00 28 00 00 10 ff
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| 215 | #[01:38:14] Comm: Refresh
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| 216 | port_array = [False] * 25
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| 217 | ports_ampere = [0] * 25
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| 218 | grid_status = [0] * 3
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| 219 |
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| 220 | action_login()
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| 221 | retval = send_command('status')
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| 222 | status_array = bin_reverse((bin_reverse(retval[4]) << 16) ^ (bin_reverse(retval[5]) << 8) ^ bin_reverse(retval[6]),24)
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| 223 | for port in range(0,24):
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| 224 | if (status_array & (1 << port)) > 0:
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| 225 | port_array[port+1] = True
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| 226 | # retval[7] is the sensor state?
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| 227 | ports_ampere = [0] + retval[8:16] + retval[17:25] + retval[26:34]
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| 228 | grid_status = [retval[16], retval[25], retval[34]]
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| 229 |
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| 230 | # Update global state
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| 231 | ports_status = port_array
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| 232 | port_status_synced = True
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| 233 |
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| 234 | return port_array
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| 235 |
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| 236 |
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| 237 |
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| 238 | def get_port_status(port):
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| 239 | """ Get specific port status """
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| 240 | global ports_status, port_status_synced
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| 241 |
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| 242 | if not port_status_synced:
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| 243 | get_ports_status()
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| 244 | return ports_status[port]
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| 245 |
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| 246 |
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| 247 |
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| 248 | def get_port_ampere(port):
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| 249 | """ Get specific port ampere usage """
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| 250 | global ports_ampere, port_status_synced
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| 251 |
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| 252 | if not port_status_synced:
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| 253 | get_ports_status()
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| 254 | return ports_ampere[port]
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| 255 |
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| 256 |
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| 257 |
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| 258 | def get_grid_status():
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| 259 | """ Get grid ampere usage """
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| 260 | global grid_status, ports_status_synced
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| 261 |
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| 262 | if not port_status_synced:
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| 263 | get_ports_status()
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| 264 | return grid_status
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| 265 |
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| 266 |
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| 267 |
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| 268 | def bool_to_str(boolean, raw=False):
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| 269 | if not raw:
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| 270 | return str(boolean)
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| 271 | elif boolean:
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| 272 | return "1"
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| 273 | else:
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| 274 | return "0"
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| 275 |
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| 276 |
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| 277 | def usage(msg="",exitcode=None):
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| 278 | if msg:
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| 279 | msg = "[ERROR] %s" % msg
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| 280 | print """%(msg)s
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| 281 | Usage %(argv)s arguments
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| 282 | Version: $Id: serial-npm4000.py 162 2010-07-16 13:53:19Z rick $
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| 283 |
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| 284 | Arguments:
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| 285 | [-h|--help] Reading right know
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| 286 | [-a|--ampere] Display ampere readings
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| 287 | [-d|--debug] Print extra communication output
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| 288 | [-r|--raw] Status(es) is bits like output
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| 289 | --serialport=<path> Serial Port to connect to [%(serialport)s]
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| 290 | --password=<hex> Password to use in hex notation [%(password)s]
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| 291 | --addresscode=<hex> Internal device number in hex notation [%(addresscode)s]
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| 292 | --delay=<int> Delay used between port operations [%(delay)s]
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| 293 | --baudrate=<int> Bautrate used for communication (19200,9600) [%(baudrate)s]
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| 294 | [-s <port>|--status=<port>] Current port(s) configuration
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| 295 | [-t <port>|--toggle=<port>] Toggle port(s)
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| 296 | [-o <port>|--on=<port>] Turn on port(s)
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| 297 | [-f <port>|--off=<port>] Turn off port(s)
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| 298 | --allon Turn all ports on using internal safety [TODO: Implement]
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| 299 | --alloff Turn all ports off using internal safety [TODO: Implement]
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| 300 | --changepassword= Change password [TODO: Implement]
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| 301 | --changeaddresscode= Change addresscode [TODO: Implement]
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| 302 | --changetimerdelay= Change internal timer delay [TODO: Implement]
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| 303 | --pinballtest=<int> Randomly toggle ports for number of times]
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| 304 | --wheel_of_fortune Wheel of fortune implementation
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| 305 | [-p <port>|--port=<port>] Ports needed to be used
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| 306 |
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| 307 | Note: [TODO: Implement] bit codes are in the source code, feel free to drop me
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| 308 | an email <info@rickvanderzwet.nl> if you really to need to be in there.
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| 309 |
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| 310 | Note: <port> has different notations:
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| 311 | Numeric value of port 1,2,3,4,5,..
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| 312 | Actual value of port A1,..,A8,B1,..,B8,C1,..,C8
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| 313 | All ports all
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| 314 |
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| 315 | %(msg)s
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| 316 | """ % { 'argv' : sys.argv[0],
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| 317 | 'msg' : msg,
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| 318 | 'serialport' : opt_serial_port,
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| 319 | 'password' : opt_password,
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| 320 | 'addresscode' : opt_address_code,
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| 321 | 'delay' : opt_delay,
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| 322 | 'baudrate' : opt_baudrate,
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| 323 | }
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| 324 | if exitcode != None:
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| 325 | sys.exit(exitcode)
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| 326 |
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| 327 | def main():
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| 328 | global DEBUG, ser, opt_serial_port, opt_password, opt_address_code, opt_baudrate, opt_delay, opt_pinballtest
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| 329 | try:
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| 330 | opts, args = getopt.getopt(sys.argv[1:],
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| 331 | "adhf:s:t:ro:p:v",
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| 332 | ["ampere", "debug", "delay=", "help", "verbose", "serialport=",
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| 333 | "port=", "password=", "addresscode=","toggle=","off=", "on=",
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| 334 | "status=", "buadrate=", "raw=", "pinballtest=",
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| 335 | "wheel_of_fortune"])
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| 336 | except getopt.GetoptError, err:
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| 337 | usage(str(err),2)
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| 338 |
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| 339 | opt_port = None
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| 340 | opt_action = None
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| 341 | opt_raw = False
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| 342 | opt_ampere = False
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| 343 | opt_pinballtest = None
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| 344 | for o, a in opts:
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| 345 | debug("%s : %s" % (o, a))
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| 346 | if o in ["-a", "--ampere"]:
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| 347 | opt_ampere = True
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| 348 | elif o in ["-d", "--debug"]:
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| 349 | DEBUG = True
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| 350 | elif o in ["--delay"]:
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| 351 | opt_delay = float(a)
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| 352 | elif o in ["-h", "--help"]:
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| 353 | usage("",0)
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| 354 | elif o in ["--addresscode"]:
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| 355 | opt_address_code = int(a,16)
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| 356 | elif o in ["--password"]:
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| 357 | opt_passwd = int(a,16)
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| 358 | elif o in ["-p","--port"]:
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| 359 | opt_port = a
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| 360 | elif o in ["--pinballtest"]:
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| 361 | opt_action = 'pinballtest'
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| 362 | opt_pinballtest = int(a)
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| 363 | elif o in ["--buadrate"]:
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| 364 | opt_baudrate = a
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| 365 | elif o in ["--serialport"]:
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| 366 | opt_serial_port = a
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| 367 | elif o in ["-s", "--status"]:
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| 368 | opt_action = "status"
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| 369 | opt_port = a
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| 370 | elif o in ["-t","--toggle"]:
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| 371 | opt_action = "toggle"
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| 372 | opt_port = a
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| 373 | elif o in ["-f","--off"]:
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| 374 | opt_action = "off"
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| 375 | opt_port = a
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| 376 | elif o in ["-r","--raw"]:
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| 377 | opt_raw = True
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| 378 | elif o in ["-o","--on"]:
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| 379 | opt_action = "on"
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| 380 | opt_port = a
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| 381 | elif o in ["--wheel_of_fortune"]:
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| 382 | opt_action = 'wheel_of_fortune'
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| 383 | opt_port = "all"
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| 384 | else:
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| 385 | assert False, "unhandled option"
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| 386 |
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| 387 | if (opt_port == None):
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| 388 | usage("No port defined",2)
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| 389 | elif (opt_action == None):
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| 390 | usage("No action defined",2)
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| 391 |
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| 392 |
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| 393 | # Resolve port to proper numbers array
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| 394 | ports = []
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| 395 | for port in opt_port.split(','):
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| 396 | debug("Raw port: %s" % port)
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| 397 | if port == "all":
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| 398 | ports.extend(range(1,25))
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| 399 | elif port[0] in "ABCabc":
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| 400 | print hex_to_port(int(port,16))
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| 401 | ports.append(hex_to_port(int(port,16)))
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| 402 | else:
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| 403 | ports.append(int(port))
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| 404 | debug("Operating on ports " + str(ports))
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| 405 |
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| 406 | # Open serial port
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| 407 | ser = serial.Serial(opt_serial_port, opt_baudrate, timeout=5)
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| 408 | debug(serial)
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| 409 |
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| 410 | if opt_action == 'pinballtest':
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| 411 | for count in range(0,opt_pinballtest):
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| 412 | port = random.choice(ports)
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| 413 | print "[%04i] Toggle port %02i" % (count, port)
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| 414 | action_toggle_port(port)
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| 415 | # Backoff time
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| 416 | time.sleep(opt_delay)
|
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| 417 | sys.exit(0)
|
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| 418 | elif opt_action == 'wheel_of_fortune':
|
---|
| 419 | # First turn all ports off
|
---|
| 420 | for port in ports:
|
---|
| 421 | action_port_off(port)
|
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| 422 |
|
---|
| 423 | port = random.choice(ports)
|
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| 424 | total_time = 0.0
|
---|
| 425 | for c in range(1,random.randint(10,200)):
|
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| 426 | # Not all should be evaluated (50%)
|
---|
| 427 | if random.randint(0,200) > 100:
|
---|
| 428 | continue
|
---|
| 429 | action_port_on(port)
|
---|
| 430 | sleep_time = float(c) / 1000
|
---|
| 431 | total_time += sleep_time
|
---|
| 432 | time.sleep(sleep_time)
|
---|
| 433 | action_port_off(port)
|
---|
| 434 | print "[%03i] Port %i (%f)" % (c, port, sleep_time)
|
---|
| 435 | port = ((port + 1) % 25)
|
---|
| 436 | if port == 0:
|
---|
| 437 | port += 1
|
---|
| 438 |
|
---|
| 439 | print "Total time: %f" % total_time
|
---|
| 440 | # Initial result
|
---|
| 441 | action_port_on(port)
|
---|
| 442 | sys.exit(0)
|
---|
| 443 |
|
---|
| 444 | # Status needs real integers, hack
|
---|
| 445 | for port in ports:
|
---|
| 446 | if opt_action == "status":
|
---|
| 447 | if opt_raw:
|
---|
| 448 | print bool_to_str(get_port_status(port),opt_raw),
|
---|
| 449 | else:
|
---|
| 450 | ampere_str = ""
|
---|
| 451 | if opt_ampere:
|
---|
| 452 | ampere_str = "[%s]" % get_port_ampere(port)
|
---|
| 453 | print "Port %02i : %s %s" % (port, get_port_status(port), ampere_str)
|
---|
| 454 | elif opt_action == "toggle":
|
---|
| 455 | action_toggle_port(port)
|
---|
| 456 | elif opt_action == "on":
|
---|
| 457 | action_port_on(port)
|
---|
| 458 | elif opt_action == "off":
|
---|
| 459 | action_port_off(port)
|
---|
| 460 | else:
|
---|
| 461 | assert False, "Option '%s' invalid" % opt_action
|
---|
| 462 | # Backoff if we need to be patient
|
---|
| 463 | time.sleep(opt_delay)
|
---|
| 464 | sys.stdout.flush()
|
---|
| 465 |
|
---|
| 466 | # Be nice and close correctly
|
---|
| 467 | ser.close()
|
---|
| 468 |
|
---|
| 469 | if opt_ampere:
|
---|
| 470 | if opt_raw:
|
---|
| 471 | print " ".join(map(str, get_grid_status()))
|
---|
| 472 | else:
|
---|
| 473 | print "Grid A: %s" % grid_status[0]
|
---|
| 474 | print "Grid B: %s" % grid_status[1]
|
---|
| 475 | print "Grid C: %s" % grid_status[2]
|
---|
| 476 |
|
---|
| 477 | if __name__ == "__main__":
|
---|
| 478 | main()
|
---|