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Fix X2D right nozzle temp showing active-nozzle value (fixes #13)

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Dual-nozzle decoding only read extruder.info[1] for the left nozzle,
leaving the right nozzle to fall back on the legacy top-level
nozzle_temper/nozzle_target_temper fields. On the H2C that field
happens to always mirror the right extruder, but on the X2D it tracks
whichever nozzle is currently active — so during a left-only print the
"Right Nozzle" card showed the left nozzle's temperature.

Decode extruder.info[0] the same bit-packed way as the left side and
prefer it over the legacy field when present.
This commit is contained in:
RNL
2026-08-02 22:57:03 +10:00
parent 6f19560842
commit 4db0a7d728
1 changed files with 25 additions and 5 deletions
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30
bambu_run/mqtt_client.py
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@@ -486,15 +486,29 @@ class PrinterState:
wifi_signal = print_data.get("wifi_signal", "") wifi_signal = print_data.get("wifi_signal", "")
# H2C dual-nozzle decoding. The H2C reports per-extruder temperatures # Dual-nozzle decoding (H2C, X2D). Dual-nozzle printers report per-extruder
# under `print.device.extruder.info[]` as a 2-element array (index 0 = # temperatures under `print.device.extruder.info[]` as a 2-element array
# right, index 1 = left). The `temp` field is bit-packed: # (index 0 = right, index 1 = left). The `temp` field is bit-packed:
# `temp_raw = (target << 16) | current`, both °C as ints. # `temp_raw = (target << 16) | current`, both °C as ints.
#
# The legacy top-level `nozzle_temper`/`nozzle_target_temper` fields track
# whichever nozzle is currently *active*, not specifically the right one —
# on printers like the X2D they report the left nozzle's temp while it's
# printing, even though the dashboard's "Right Nozzle" card reads them.
# Prefer the decoded right-side value from extruder.info[0] when present.
nozzle_temp_left = None nozzle_temp_left = None
nozzle_target_temp_left = None nozzle_target_temp_left = None
nozzle_temp_right = None
nozzle_target_temp_right = None
device = print_data.get("device") or {} device = print_data.get("device") or {}
extruders = (device.get("extruder") or {}).get("info") or [] extruders = (device.get("extruder") or {}).get("info") or []
if len(extruders) >= 2: if len(extruders) >= 2:
right = extruders[0]
t = right.get("temp")
if isinstance(t, int):
nozzle_target_temp_right = float((t >> 16) & 0xFFFF)
nozzle_temp_right = float(t & 0xFFFF)
left = extruders[1] left = extruders[1]
t = left.get("temp") t = left.get("temp")
if isinstance(t, int): if isinstance(t, int):
@@ -510,8 +524,14 @@ class PrinterState:
return cls( return cls(
timestamp=timestamp, timestamp=timestamp,
sequence_id=str(print_data.get("sequence_id", "")), sequence_id=str(print_data.get("sequence_id", "")),
nozzle_temp=float(print_data.get("nozzle_temper", 0.0)), nozzle_temp=(
nozzle_target_temp=float(print_data.get("nozzle_target_temper", 0.0)), nozzle_temp_right if nozzle_temp_right is not None
else float(print_data.get("nozzle_temper", 0.0))
),
nozzle_target_temp=(
nozzle_target_temp_right if nozzle_target_temp_right is not None
else float(print_data.get("nozzle_target_temper", 0.0))
),
bed_temp=float(print_data.get("bed_temper", 0.0)), bed_temp=float(print_data.get("bed_temper", 0.0)),
bed_target_temp=float(print_data.get("bed_target_temper", 0.0)), bed_target_temp=float(print_data.get("bed_target_temper", 0.0)),
chamber_temp=float(print_data.get("chamber_temper", 0.0)), chamber_temp=float(print_data.get("chamber_temper", 0.0)),