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| For now just a unorganized pastebin to document things that don't fit the mastodon account. | | For now just a unorganized pastebin to document things that don't fit the [https://chaos.social/@lazzzzzor mastodon account]. |
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| === Device resolutions === | | === Device === |
| | We have a BRM 90130 driven by a Ruida Controller (RDC6332G) |
| | |
| | === Links === |
| | ==== Manuals ==== |
| | [https://wiki.attraktor.org/images/5/59/BRM_90130_Gebrauchsanleitung.pdf BRM90130 Manual] |
| | |
| | [https://torden.ru/wp-content/uploads/2019/03/Rukovodstvo-polzovatelja-RDC6332G-angl..pdf RDC6332G Controller Manual] |
| | |
| | ==== Reverse Engineering Resources ==== |
| | https://edutechwiki.unige.ch/en/Ruida |
| | |
| | https://wiki.fablab-nuernberg.de/w/Diskussion:Nova_35 |
| | |
| | https://stefan.schuermans.info/rdcam/messages.html |
| | |
| | ==== Tools ==== |
| | RD-File interpreter and renderer: https://github.com/kallaballa/rdint |
| | |
| | BRM branch of Ctrl-Cut: https://github.com/kallaballa/ctrl-cut/tree/brm |
| | |
| | === Dimensions === |
| {| class="wikitable" | | {| class="wikitable" |
| |- | | |- |
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| We didn't get the net- to work (haha) so we are using USB right now. | | We didn't get the net- to work (haha) so we are using USB right now. |
| | |
| | Someone else already documented the protocol. |
| | Apparently everything is scrambled in some way byte-wise. |
| | https://stefan.schuermans.info/rdcam/messages.html |
| | |
| | The descrambling process documented there didn't work for us. |
| | Since different versions of the program seem to use different magic numbers we decided to try to brute-force it. |
| | Turns out it's a new one: <code>0x33</code>. |
| | |
| | ==== Setup Messages [Still Scrambled] ==== |
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| Notation: | | Notation: |
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Zeile 70: |
| </pre> | | </pre> |
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|
| ==== Setup Messages ====
| |
| Before sending the job to the lasercutter the driver sends and receives a few preflight messages. | | Before sending the job to the lasercutter the driver sends and receives a few preflight messages. |
| We are unsure if they change when using the Network but they are omitted when saving a job to a file. | | We are unsure if they change when using the Network but they are omitted when saving a job to a file. |
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| </pre> | | </pre> |
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| ===== Click 'Search' ===== | | ===== Click 'Search' [Still Scrambled] ===== |
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| <pre> | | <pre> |
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| After this the actual job data is sent by the driver. | | After this the actual job data is sent by the driver. |
|
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| ==== Job Data ====
| |
| The job data seems to be structured as follows:
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|
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| 1. [Unknown Data]
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| * (as of now always 59 bytes)
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| 2. [Speed Data]
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| * (as of now always 8 bytes)
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| 3. [Power Data x4]
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| * (as of now always 5 bytes for each of [Min Power Laser 1, Min Power Laser 2, Max Power Laser 1, Max Power Laser 2] )
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| 4. [Unknown Data]
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| 5. [Speed Data again, but a little different]
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| 6. [Unknown Data]
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| 7. [Power Data again, but a little different x4]
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| 8. [Unknown Data]
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|
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| ===== 1. Unknown Data =====
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| 59 bytes of ???
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|
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| ===== 2. Speed Data =====
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|
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| <pre>
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| # Prefix (i think, not a 100% on that)
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| 0xfb
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| 0x38 (8)
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| 0x34 (4)
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| 0x34 (4)
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| 0x34 (4)
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|
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| # Value Bytes x3
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| 0x36 (6)
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| 0xc0
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| 0x14
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| </pre>
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|
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| '''50 mm/s:'''
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|
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| <pre>
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| 0xb2 (178) ()
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| 0x36 (54) (6)
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| 0x64 (100) (d)
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| </pre>
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|
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| '''100 mm/s:'''
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|
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| <pre>
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| 0x36 (54) (6)
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| 0xc0 (192) ()
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| 0x14 (20) (�)
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| </pre>
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|
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|
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| '''1000 mm/s:'''
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|
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| <pre>
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| 0x90 (144) ()
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| 0x38 (56) (8)
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| 0x74 (116) (t)
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| </pre>
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|
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|
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| ===== 3. Power Data [x4] =====
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|
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| <pre>
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| # Prefix
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| 0x75 (u) <- Always the same (message type identifier?)
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| 0x84 <- Laser and Min/Max Byte
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| 0x34 (4) <- Always the same (delimiter?)
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|
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| # Value Bytes x2
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| 0x16
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| 0x02
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| </pre>
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|
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| The Laser and Min/Max Byte is one of:
| |
| * <code>0x84</code> (Laser 1 MinPower)
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| * <code>0xf4</code> (Laser 2 MinPower)
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| * <code>0x02</code> (Laser 1 MaxPower)
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| * <code>0x72</code> (Laser 2 MaxPower)
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|
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| ''' 0% '''
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| <pre>
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| 0x34 (52) (4)
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| 0x24 (36) ($)
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| </pre>
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|
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| ''' 0.5% '''
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| <pre>
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| 0x34 (52) (4)
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| 0xe4 (228) ()
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| </pre>
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|
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| ''' 1% '''
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| <pre>
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| 0xb4 (180) ()
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| 0x92 (146) ()
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| </pre>
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|
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| ''' 5% '''
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| <pre>
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| 0x36 (54) (6)
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| 0x82 (130) ()
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| </pre>
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|
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| ''' 50% '''
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| <pre>
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| 0x8e (142) ()
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| 0xce (206) ()
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| </pre>
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|
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| ''' 100% '''
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| <pre>
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| 0xce (206) ()
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| 0xce (206) ()
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| </pre>
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|
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| ===== 4. Unknown Data =====
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| ???
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|
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| ===== 5. Speed Data Again =====
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| <pre>
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| # Prefix is shorter this time
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| < 0xfb
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| < 0x32 (2)
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| < 0x34 (4)
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| < 0x34 (4)
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|
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| # Value bytes are the same as above
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| < 0x36 (6)
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| < 0xc0
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| < 0x14
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| </pre>
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|
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| ===== 6. Unknown Data =====
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| ???
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|
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| ===== 7. Power Data Again [x4] =====
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|
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| <pre>
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| # Prefix
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| 0x75 (u) <- Always the same (message type identifier?)
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| 0xb4 <- Laser and Min/Max Byte
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| [No 0x34 byte this time.]
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|
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| # Value Bytes are the same
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| 0x16
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| 0x02
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| </pre>
| |
|
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| The Laser and Min/Max Byte is one of (last 4 bits are the same as in the first set of messages):
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| * <code>0xb4</code> (Laser 1 MinPower) (<code>0x84 + 0x30</code>)
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| * <code>0x94</code> (Laser 2 MinPower) (<code>0xf4 - 0x60</code>)
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| * <code>0x32</code> (Laser 1 MaxPower) (<code>0x02 + 0x30</code>)
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| * <code>0x12</code> (Laser 2 MaxPower) (<code>0x72 - 0x60</code>)
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|
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| Comparison with first Laser Min/Max bytes in binary:
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| <code>
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|
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| 10000100 0x84 First Laser 1 Min
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| 11110100 0xf4 First Laser 2 Min
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| 00000010 0x02 First Laser 1 Max
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| 01110010 0x72 First Laser 2 Max
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|
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|
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| 10110100 0xb4 Secnd Laser 1 Min
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| 10010100 0x94 Secnd Laser 2 Min
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| 00110010 0x32 Secnd Laser 1 Max
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| 00010010 0x12 Secnd Laser 2 Max
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|
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| </code>
| |
|
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|
| === Laserfirmware === | | === Laserfirmware === |
| Nope. | | Nope. |