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Commits
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309e64b8a2 |
fix(ams): resolve a slot's K profile by index when the printer does not file per hotend (issue #3044)
An X2D with two AMS 2 Pro, one per hotend, showed a K value on every slot of the first and nothing on any slot of the second. Configure Slot was worse than blank there: the picker offered no matching profile, the slot read as though nothing were bound, and choosing one changed nothing the user could see. Both symptoms are one rule. A calibration index can mean two different profiles on a dual-nozzle machine -- on the maintainer's H2C, index 16 is the left hotend's black PLA at K=0.018 and 15 is the right's at K=0.020 -- so the index is resolved against the slot's own hotend, and a miss shows nothing rather than the other nozzle's number. That is right whenever the printer files its calibrations per hotend. This one files them per filament: the second AMS's slots point at the same entries as the first, every entry tagged with one extruder, and requiring a match found nothing at all. The hotend now has to appear in the table the printer actually sent before it is used to narrow anything. Where it does not, the index stands on its own, which is what BambuStudio does for this same card -- AMSItem.cpp resolves it through get_pa_k_n_value_by_cali_idx, matching cali_idx and nothing else. Where it does, nothing changes: the H2C case still blanks rather than borrowing, and the other hotend's profiles stay reachable under Other K profiles. The relaxed path still refuses an answer when the candidates disagree on a value. The premise that the table is always numbered per nozzle had been written into three comments and two layers of code; it is corrected where it appears. Alongside it, in the same picker: the K-profile options rendered the hotend suffix twice in the matching group and three times under Other, so every option on a dual-nozzle printer read "... . Left . Left". |
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14f46510ba |
File the printer's calibration table under the nozzle it belongs to (issue #2854)
The K value on an AMS slot card went blank after a while and came back after a backend restart. It is not the MQTT merge: that preserves a tray's k correctly. H2-series trays have no k to preserve. Verified against the H2 wire capture in logs/vp_wire -- every tray reports cali_idx and nothing else -- so the number on the card is resolved from that index against the printer's calibration table in state.kprofiles, and that table was a single global list. An extrusion_cali_get response is the complete table for one nozzle diameter, and the printer answers whoever asks; BambuStudio's queries arrive on the same report topic we subscribe to. Every response was assigned straight to state.kprofiles, so any one answer stood for the whole printer. The nightly GitHub backup asks for 0.2, 0.4, 0.6 and 0.8 in turn and finishes on 0.8, which holds nothing on a 0.4+0.6 machine: logs/bambuddy.log records exactly that at 17:15 on 2026-08-25, and the table was empty from then until something refilled it. Responses are now bucketed by the diameter they describe, so an empty answer for a size the printer does not have clears only that size. The three assign paths that look an index up by nozzle_diameter get the same fix for free -- they were quietly finding nothing whenever the last response was for another nozzle, which is what spoolman_inventory has been logging as a stale kp. Bucketing makes state.kprofiles a union, and cali_idx is numbered per nozzle, so the index alone no longer identifies a profile. The REST serializer has keyed on (extruder, cali_idx) since c5e005586; the WebSocket one still keyed on the index alone, which meant the first render of a card could be right and every update after it wrong. Both now share one resolver. It goes through the extruder the slot feeds, and where that does not single out one profile -- a single-nozzle printer that has been swapped, so both its tables sit under extruder 0 -- it falls back to which diameters are actually fitted. Where neither settles it the card shows nothing, because a blank space is a smaller error than confidently printing the other nozzle's number. Deliberately no loosening to a bare cali_idx lookup on a miss: that is the cross-nozzle bleed the extruder keying was added to stop. Nothing read the table on connect, which is the other half of the report. It arrived by luck -- a visit to Profiles or Configure Slot, a backup, or the printer answering someone else -- so a Bambuddy nobody had opened showed a card with no K values at all, and "restart and they come back" was the printer happening to broadcast rather than anything we did. It is now read once per connection, on the same latch the stale-print reconcile uses. Only the fitted diameters are asked for, one request on a single-nozzle printer and two on a dual; probing the four sizes blind is what the backup does and what blanked the table. The edge is gated on a nozzle diameter being known as well as on the state being known, because the first push_status is what makes the state known and does not always carry the nozzle fields -- latching there would spend the connection's one attempt on a printer that could not yet say what was fitted. Adopting an unsolicited table now logs at debug. It was the quietest way for the card to change underneath us and there was no way to see it in a support bundle. Three test files gained nozzles=[] on their PrinterState stubs. The field has always been on the dataclass; the connect edge is simply the first thing on that path to read it. |