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fix: update event handling in MiniMateClient and protocol to address 5A timeout issue

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This commit is contained in:
Brian Harrison
2026-04-06 12:41:27 -04:00
parent 57e7225a62
commit d87e02fab2
3 changed files with 55 additions and 18 deletions
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minimateplus/protocol.py
+14 -8
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@@ -287,17 +287,22 @@ class MiniMateProtocol:
log.debug("read_event_index: got %d bytes", len(raw))
return raw
def read_event_first(self) -> tuple[bytes, bytes]:
def read_event_first(self, token: int = 0) -> tuple[bytes, bytes]:
"""
Send the SUB 1E (EVENT_HEADER) two-step read and return the first
waveform key and accompanying 8-byte event data block.
This always uses all-zero params — the device returns the first stored
event's waveform key unconditionally.
Args:
token: Token byte placed at params[7]. Use 0 (default) for the
initial browse-mode call that returns the first event key.
Use 0xFE for the second "download-arm" call that must be
sent between 0A and 0C when full_waveform=True; the device
will ignore 5A probe frames unless this arm step has been
issued. Confirmed from 4-2-26 and 4-3-26 BW TX captures.
Returns:
(key4, event_data8) where:
key4 — 4-byte opaque waveform record address (data[11:15])
key4 — 4-byte opaque waveform record address (data[11:15])
event_data8 — full 8-byte data section (data[11:19])
Raises:
@@ -310,13 +315,14 @@ class MiniMateProtocol:
"""
rsp_sub = _expected_rsp_sub(SUB_EVENT_HEADER)
length = DATA_LENGTHS[SUB_EVENT_HEADER] # 0x08
params = token_params(token)
log.debug("read_event_first: 1E probe")
self._send(build_bw_frame(SUB_EVENT_HEADER, 0))
log.debug("read_event_first: 1E probe (token=0x%02X)", token)
self._send(build_bw_frame(SUB_EVENT_HEADER, 0, params))
self._recv_one(expected_sub=rsp_sub)
log.debug("read_event_first: 1E data request offset=0x%02X", length)
self._send(build_bw_frame(SUB_EVENT_HEADER, length))
log.debug("read_event_first: 1E data request offset=0x%02X (token=0x%02X)", length, token)
self._send(build_bw_frame(SUB_EVENT_HEADER, length, params))
data_rsp = self._recv_one(expected_sub=rsp_sub)
event_data8 = data_rsp.data[11:19]