Expand docs with full Winegard hardware reference
Add Carryout and Trav'ler Pro to firmware variant table, SK-1000 physical specs, error messages, calibration procedures, emergency stow notes, motor behavior details, and Gpredict setup config. Note leap-frog bug is also present in Pro repo.
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CLAUDE.md
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CLAUDE.md
@ -34,19 +34,46 @@ cli.py — Click CLI with init/serve/pos/move subcommands
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## Firmware Variants
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Three known Winegard dish variants exist (Gabe Emerson / saveitforparts):
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Four known Winegard dish variants documented by Gabe Emerson (KL1FI) / saveitforparts:
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| Detail | HAL 0.0.00 | HAL 2.05.003 | Trav'ler Pro |
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|--------|-----------|-------------|-------------|
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| **Repo** | saveitforparts/Travler_Rotor | saveitforparts/Trav-ler-Rotor-For-HAL-2.05 | saveitforparts/Travler-Pro-Rotor |
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| **Connection** | RS-485 / RJ-25 | RS-485 / RJ-25 | USB A-to-A |
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| **Motor submenu** | `mot` | `motor` | `mot` |
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| **Search kill** | `os` -> `kill Search` -> `q` | `ngsearch` -> `s` -> `q` | `os` -> `kill Search` |
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| **Boot signal** | `NoGPS` | `NoGPS` or `No LNB Voltage` | undocumented |
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| **Max elevation** | 90 deg | 90 deg | 75 deg (hardware limit) |
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| **Tested model** | LG-2112 | LG-2112 | SK2DISH |
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| Detail | HAL 0.0.00 | HAL 2.05.003 | Trav'ler Pro | Carryout |
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|--------|-----------|-------------|-------------|---------|
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| **Repo** | Travler_Rotor | Trav-ler-Rotor-For-HAL-2.05 | Travler-Pro-Rotor | Carryout-Rotor |
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| **Connection** | RS-485 / RJ-25 | RS-485 / RJ-25 | USB A-to-A (`ttyACM0`) | RS-485 / RJ-25 |
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| **Motor submenu** | `mot` | `motor` | `odu` then `mot` | N/A (`target` + `g`) |
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| **Motor control** | `a <id> <deg>` | `a <id> <deg>` | `a <id> <deg>` | `g <az> <el>` only |
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| **Search kill** | `os` -> `kill Search` | `ngsearch` -> `s` -> `q` | `os` -> `kill Search` | N/A |
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| **Boot signal** | `NoGPS` | `NoGPS` or `No LNB Voltage` | undocumented | N/A |
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| **Min elevation** | 15 deg (firmware) | 15 deg (firmware) | 12 deg (firmware) | ~22 deg (physical) |
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| **Max elevation** | 90 deg | 90 deg | 75 deg (hardware cap!) | NVS 102 override |
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| **Position query** | `a` -> `AZ = / EL =` | `a` -> `AZ = / EL =` | `a` -> `AZ = / EL =` | raw ints / 100 |
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| **Tested model** | LG-2112 | LG-2112 | SK2DISH | 2003 Carryout |
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| **HAL version** | 0.0.00 | 2.05.003 | unknown | 1.00.065 |
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Related: saveitforparts/Carryout-Rotor (Winegard Carryout, HAL 1.00.065, very similar commands).
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### Key Variant Differences
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- **Trav'ler Pro `odu` command:** The Pro's IDU has its own MCU. You must first tunnel to the ODU with `odu` before entering the motor submenu. The regular Trav'ler's IDU is a dumb RS-485 passthrough.
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- **Carryout uses `g` not `a`:** The Carryout has no individual motor addressing. It uses `target` to enter targeting mode, then `g <az> <el>` for combined moves. It also can't query its initial position.
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- **Carryout has no limit switches:** Uses motor stalling to detect mechanical boundaries (audible grinding).
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- **Pro has the same leap-frog bug** as the regular Trav'ler (copy-pasted).
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- **Pro NVS submenu** has a `d` command to dump all NVS values (undocumented for other variants).
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## Hardware Specs (SK-1000)
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| Spec | Value |
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|------|-------|
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| Weight | 45 lbs |
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| Stow dimensions | 10"H x 42"L x 26"W |
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| Stow height | 9.75" |
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| Max deployed height | 37" above mount |
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| Arm reach | 32.5" from base center |
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| Dish size | ~33" x 23" (Ku-band reflector) |
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| Azimuth range | 0-455 deg (before cable wrap) |
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| Power input | 120VAC -> 12VDC (RP-SK87 supply) |
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| LNB bias | 12-18VDC via coax |
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| Motor type | Likely stepper with gearing (unconfirmed) |
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| Satellites (DISH) | 110, 119, 129 (61.5 manual only) |
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| Satellites (Bell) | 82, 91 |
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## Hardware Protocol Notes
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@ -54,10 +81,12 @@ Related: saveitforparts/Carryout-Rotor (Winegard Carryout, HAL 1.00.065, very si
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- Motor commands: `a <motor_id> <degrees>` (0=azimuth, 1=elevation)
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- Position query: `a` (in motor submenu) returns `AZ = <val> EL = <val> SK = <val>`
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- Two motor control methods:
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- `a <id> <deg>` — queues command, waits for current motor to stop before next
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- `g <az> <el> <sk>` — immediate move, aborts on any new keystroke
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- `a <id> <deg>` — queues command, waits for current motor to finish. Tolerant of rapid command streams from Gpredict.
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- `g <az> <el> <sk>` — immediate move, aborts on any new keystroke/character. Some firmware has a typo listing the order as az/sk/el.
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- Skew motor can run simultaneously with AZ or EL (the others are mutually exclusive)
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- Elevation floor: HAL 2.05 unreliable below 15 degrees with direct motor commands
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- Cable wrap limit: usually 360 or 455 degrees, dish reverses at limit
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- Console does not accept backspace — hit enter to clear on typo
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### RS-485 Pinout (RJ-25, bottom view, tip up)
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@ -79,16 +108,20 @@ a — show position (in motor submenu)
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a <id> <deg> — move motor to absolute position
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g <az> <el> — go to AZ/EL (aborts on new input)
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q — exit current submenu
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odu — tunnel to outdoor unit (Trav'ler Pro only)
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os — enter OS submenu
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tasks — list running tasks
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kill <name> — kill a named task (e.g. "kill Search")
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ngsearch — enter search submenu (HAL 2.05 only)
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s — stop search
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nvs — enter non-volatile storage submenu
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d — dump all values (Pro only, undocumented on others)
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e <idx> — read NVS value
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e <idx> <v> — write NVS value
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s — save changes
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dvb — signal info submenu (Pro only)
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reboot — reboot firmware
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stow — fold dish flat (caution: modified feeds may not survive)
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```
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### Known NVS Indices
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@ -99,17 +132,51 @@ reboot — reboot firmware
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| 125 | Search minimum elevation |
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| 127 | Safe minimum elevation |
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### Error Messages
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| Message | Meaning |
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|---------|---------|
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| `AZ MOTOR STALLED` | Obstruction preventing rotation |
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| `EL MOTOR STALLED` | Obstruction preventing elevation change |
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| `EL Motor Home Failure` | Requires EL recalibration via IDU menu |
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### IDU/ODU Cable Wiring (if cut)
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Top row: Green, Yellow, Orange. Bottom row: Red, Brown, Black.
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### Power
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48-52VDC power supply for the IDU. The internal coax supplies 14-18VDC bias — do not connect 5V equipment without bypassing the power injector.
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120VAC input to RP-SK87 power supply, outputs 12VDC to IDU. Internal coax carries 12-18VDC bias for LNB — do not connect 5V equipment (SDR LNAs, etc.) without bypassing the power injector.
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### Physical Setup
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- Base marked with arrows and "BACK" at 0/360 deg (North)
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- Align "BACK" with true North for accurate tracking
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- Gpredict rotor config: 127.0.0.1:4533, 0->180->360 mode, min EL 15, max EL 90
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- No obstructions taller than 8" within 32.5" of base center
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### Calibration
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On power-up, the dish performs calibration movements to establish position and cable wrap limits (~10-15 minutes on Carryout, shorter on Trav'ler). After calibration, firmware automatically starts a TV satellite search — the init sequence kills this.
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EL recalibration (via IDU buttons): POWER -> ENTER (hold 2s) -> User Menu -> INSTALLATION -> Calibrate EL -> confirm hard stop position.
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### Emergency Manual Stow
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Last resort only. 5/16" socket + 6" extension into auxiliary drive hole. Turn clockwise slowly. Ensure arm faces "rear" label before lowering. Improper execution can damage motor.
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## Known Bugs (from upstream)
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- Leap-frog elevation bug: original `travler_rotor.py` lines 98-105 modify `target_az` instead of `target_el`. Fixed in `leapfrog.py`. See `docs/bugs.md`.
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- **Leap-frog elevation bug:** original `travler_rotor.py` lines 98-105 modify `target_az` instead of `target_el`. Fixed in `leapfrog.py`. Present in both Trav'ler and Trav'ler Pro repos. See `docs/bugs.md`.
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## Upstream References
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- github.com/saveitforparts/Travler_Rotor (HAL 0.0.00)
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- github.com/saveitforparts/Trav-ler-Rotor-For-HAL-2.05 (HAL 2.05)
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- github.com/saveitforparts/Travler-Pro-Rotor (Pro, USB)
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- github.com/saveitforparts/Carryout-Rotor (Carryout, HAL 1.00.065)
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- Gabe Emerson / KL1FI — gabe@saveitforparts.com
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- YouTube: Trav'ler v1 demo (youtu.be/X1hnReHepFI), v2 demo (youtube.com/watch?v=URJZjo5EcpQ)
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## Testing
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@ -37,5 +37,9 @@ elif target_el - current_el < -1:
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- Azimuth received double compensation (its own delta + the elevation delta),
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causing over-correction on the azimuth axis
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**Affected repos:**
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- `saveitforparts/Trav-ler-Rotor-For-HAL-2.05` — `travler_rotor.py` lines 98-105
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- `saveitforparts/Travler-Pro-Rotor` — same bug copy-pasted into `travler_pro_rotor.py`
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**Fix:** In `travler_rotor.leapfrog.apply_leapfrog()`, the elevation
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compensation correctly modifies `target_el`.
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