Diskussion:Nova 35: Unterschied zwischen den Versionen
Aus FabLab Region Nürnberg
Mose (Diskussion | Beiträge) |
Mose (Diskussion | Beiträge) |
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| Zeile 28: | Zeile 28: | ||
Byte = 1 Bit Message Start Indicator + 7 Bit Payload | Byte = 1 Bit Message Start Indicator + 7 Bit Payload | ||
==== Checksum ==== | |||
2 Bytes consisting of 1 byte log2(length of message) and 1 byte sum of scrambled message bytes only least significant byte. | |||
Checksum has to be send before sending message. | |||
==== Values ==== | ==== Values ==== | ||
| Zeile 35: | Zeile 41: | ||
! Value !! Lenght !! Description | ! Value !! Lenght !! Description | ||
|- | |- | ||
|id="VAL-ABSCOORD"| ABSCOORD || 5 | |id="VAL-ABSCOORD"| ABSCOORD || 5 Bytes || absolute position in µm | ||
|- | |- | ||
|id="VAL-SPEED"| SPEED || 5 | |id="VAL-SPEED"| SPEED || 5 Bytes || speed in µm/s | ||
|- | |- | ||
|id="VAL-POWER"| POWER || 2 | |id="VAL-POWER"| POWER || 2 Bytes || power in 0,006103516% (100/2^14) | ||
|} | |} | ||
| Zeile 66: | Zeile 72: | ||
| D9 00 05 [[#VAL-ABSCOORD|ABSCOORD]] || move U || 50% | | D9 00 05 [[#VAL-ABSCOORD|ABSCOORD]] || move U || 50% | ||
|- | |- | ||
| | | CC || ACK from machine || 90% | ||
|- | |- | ||
| | | DA.... || get data from machine || 99% | ||
|- | |- | ||
| | | A8 [[#VAL-ABSCOORD|ABSCOORD]] [[#VAL-ABSCOORD|ABSCOORD]] || Straight cut to absolute X Y; turn laser on with configured speed and power || | ||
|- | |- | ||
| | | E7 50 [[#VAL-ABSCOORD|ABSCOORD]] [[#VAL-ABSCOORD|ABSCOORD]] || || | ||
|- | |- | ||
| | | E7 51 [[#VAL-ABSCOORD|ABSCOORD]] [[#VAL-ABSCOORD|ABSCOORD]] || || | ||
|- | |- | ||
| || || | | || || | ||
Version vom 20. Mai 2017, 22:08 Uhr
Hardware
- RDC6442G Herstellerseite
- Network aware laser cutter security
- RDCAM Reverse Engineering
- RDworks + Manuals
Protokollanalyse
- Capture mit Wireshark
- Datei > Paketdissektion exportieren > Als JSON
- Packet summary line
- Include column headings
- Packet details:
- As displayed
- Packet Bytes
- Packet summary line
- some more pat foo
rdcam.py
pat magic
Data format
Byte = 1 Bit Message Start Indicator + 7 Bit Payload
Checksum
2 Bytes consisting of 1 byte log2(length of message) and 1 byte sum of scrambled message bytes only least significant byte.
Checksum has to be send before sending message.
Values
| Value | Lenght | Description |
|---|---|---|
| ABSCOORD | 5 Bytes | absolute position in µm |
| SPEED | 5 Bytes | speed in µm/s |
| POWER | 2 Bytes | power in 0,006103516% (100/2^14) |
Commands
| Byte squence | Description | how sure we are |
|---|---|---|
| C6 01 POWER | 1st laser source min power | 99% |
| C6 21 POWER | 2st laser source min power | 99% |
| C6 02 POWER | 1st laser source max power | 99% |
| C6 22 POWER | 2st laser source max power | 99% |
| C9 02 SPEED | movement and/or (not sure) cutting speed | 80% |
| D9 00 02 ABSCOORD | move X | 99% |
| D9 00 03 ABSCOORD | move Y | 50% |
| D9 00 04 ABSCOORD | move Z | 50% |
| D9 00 05 ABSCOORD | move U | 50% |
| CC | ACK from machine | 90% |
| DA.... | get data from machine | 99% |
| A8 ABSCOORD ABSCOORD | Straight cut to absolute X Y; turn laser on with configured speed and power | |
| E7 50 ABSCOORD ABSCOORD | ||
| E7 51 ABSCOORD ABSCOORD | ||
