7 our @ISA = qw(Exporter);
8 our @EXPORT = qw( modbus_crc16 $protocol read_parameter_frame );
10 use Data::Dump qw(dump);
12 my $debug = $ENV{DEBUG} || 0;
14 # Table of CRC values for high order byte
15 use constant CRC_HI => [
16 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
17 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
18 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1,
19 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
20 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
21 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
22 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1,
23 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
24 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
25 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
26 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
27 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
28 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
29 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
30 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
31 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
32 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
33 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
34 0x00, 0xC1, 0x81, 0x40
37 # Table of CRC values for low order byte
38 use constant CRC_LO => [
39 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5,
40 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B,
41 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE,
42 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6,
43 0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
44 0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
45 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8,
46 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C,
47 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21,
48 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
49 0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A,
50 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
51 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7,
52 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91, 0x51,
53 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
54 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98,
55 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D,
56 0x4C, 0x8C, 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
57 0x41, 0x81, 0x80, 0x40
65 my @bytes = split(//, $msg);
67 my $data = unpack('C*', $_);
68 my $crcIdx = $crcl ^ $data;
69 $crcl = $crch ^ &CRC_HI->[$crcIdx];
70 $crch = &CRC_LO->[$crcIdx];
73 # Pack the trailer - CRC has low byte first
74 my $trlr = pack('CC', $crcl, $crch);
82 next if m{^\s*$}; # skip empty lines
83 my @a = split(/\s*\t\s*/, $_,7);
84 my $id = hex( $a[0] );
85 my $pack_fmt = $a[2]; $pack_fmt =~ s/\s+.*$//;
88 pack_fmt => $pack_fmt,
97 warn "## protocol = ",dump( $protocol ) if $debug;
99 sub read_parameter_frame {
100 my $params = join('', @_);
104 . "\x0B" # protocol version
105 . "\x03" # function code
106 . pack("v", length($params)) # data length
111 return $frame . modbus_crc16($frame);
117 # Valid data ID and parameter range supported by the product
118 # DATA ID ID Description Data Type( Data Length) R/W Range Default Remark
121 0x00 Seq # l DWord(4) R / 0 The platform can carry the ID when the platform downstream reads and sets the device parameters, and the device returns the same data. Please refer to the example for use.Each seq # refer to one command and its response.
122 0x01 PN l DWord(4) R / / /
123 0x02 Model C Byte(1) R 32 32 Inner number:32
124 0x03 X axis angle f Float(4) R ‐90°~90° / X axis angle
125 0x04 Y axis angle f Float(4) R ‐90°~90° / Y axis angle
126 0x09 X axis relative angle f Float(4) R ‐90°~90° 0 Return the X angle value according to the set relative zero
127 0x0A Y axis relative angle f Float(4) R ‐90°~90° 0 Return the Y angle value according to the set relative zero
128 0x0C Sensor temperature s Word(2) R ‐32768~32767 / signed,sensor temperature =Data/100, unit ℃
129 0x0D Power source voltage S Word(2) R 0~65535 / Voltage= Data/100, unit V
130 0x11 Arming/disarming C Byte(1) R/W 0~255 1 0 means disarming, non‐zero means arming
131 0x12 Alarm delay time C Byte(1) R/W 3~255 20 The unit is 0.1 second, which means that the product responds to the alarm only after the alarm has exceeded the alarm angle for a certain period of time.
133 0x13 Restore factory setting C Byte(1) R/W 0~255 0 0: Do nothing Non‐zero: Restore the non‐network‐related parameters of the sensor.
134 0x14 Server IP&port CCCCs 4*Byte(1)+Word(2) R/W / CTIOT:117.60.157.137,5683 MQTT:0.0.0.0,0 The server address should be IP, not the domain name; using the domain name may cause the connection server to be unstable and cause data loss.
135 0x17 Signal strength C Byte(1) R 10~34 / A larger value indicates a stronger signal
136 0x18 Sensor operating mode C Byte(1) R/W 0 0 The sensor can only work in absolute measurement mode
137 0x19 Alarm axis C Byte(1) R 0~3 / 0: no alarm; 1: X‐axis alarm 2: Y axis alarm; 3: X/Y axis alarm at the same time
138 0x1A SIM card ID Q QWord(8) R 0~18446744073709551615 / Take the first 19 digits, the last digit is discarded
139 0x21 Heartbeat interval l DWord(4) R/W 60~131071 86400 Interval at which the device periodically uploads data to the server
140 0x22 IMEI number of the device Q QWord(8) R 0~18446744073709551615 / Refers to the IMEI of the NB‐IOT network module in the product.
141 0x23 Backup server IP&port CCCCs 4*Byte(1)+Word(2) R/W / CTIOT:117.60.157.137,5683 MQTT:0.0.0.0,0 /
142 0x24 Backup server enable C Byte(1) R/W 0~255 0 0 means off, non‐zero means on
143 0x33 DNS IP address CCCC 4*Byte(1) R/W / 208.67.222.222 /
144 0x34 Domain name and port a* 64*Byte(1) R/W / mqtt.zc‐sensor.com,1883 Supports CTIOT and MQTT protocols. Priority IP in the case of IP (ID number 0x14); domain name and port should be separated with comma, length <=64
145 0x35 MQTT‐ClientID a* 32*Byte(1) R/W / IMEI number of the device Length <=32, subject to MQTT related specifications
146 0x36 MQTT‐Username a* 32*Byte(1) R/W / empty Length <=32, subject to MQTT related specifications
148 0x37 MQTT‐Password a* 32*Byte(1) R/W / empty Length <=32, subject to MQTT related specifications
149 0x38 MQTT‐published topic name a* 128*Byte(1) R/W / Inclinometer/ZCT330Mx_SWP_N_YK/IMEI/up Length <=128, subject to MQTT related specifications
150 0x39 MQTT‐subscribed topic name a* 128*Byte(1) R/W / Inclinometer/ZCT330Mx_SWP_N_YK/IMEI/down Length <=128, subject to MQTT related specifications
151 0x3A Set relative zero command C Byte(1) R/W 0~255 0 0: absolute angle mode 1: Set the current position to zero, relative angle mode (0x09, 0x0A content will be set to the current angle), Other values are invalid.
152 0x3B Backup server domain name and port a* 64*Byte(1) R/W / mqtt.zc‐sensor.com,1883 Supports CTIOT and MQTT protocols. In the case of backup IP, the IP is preferentially backed up; the domain name and port are distinguished by commas, and the length is <=64.
153 0x3D Protocol type C Byte(1) R/W 0~255 CTIOT 0:CTIOT 1:MQTT Other values are invalid.
154 0x44 Alarm angle f Float(4) R/W ‐90°~90° 3° X/Y axis alarm angle is consistent