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Jonathan BennettandClaude Opus 5.5
8ebb6988b5
* fix(gps): match Airoha idle_int sleep to the documented sequence For boards that wake the AG3352 through idle_int (ThinkNode M8 and M9): - Drop $PAIR382,1 before the sleep command. It locks the CPU out of sleep, which works against both $PAIR003 and $PAIR650. - Hold idle_int low 50 ms before sending, and wait 50 ms after the command takes before EN cuts the core, as Elecrow's reference does. - A successful $PAIR650 need not reply, so also accept NMEA going quiet for a full cycle as success; resend once otherwise. Boards with RTC_INT are unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * ThinkNode M8: reset the GPS out of backup mode at boot If the MCU resets while the AG3352 is in backup mode, the GPS stays there and the cached-probe check gets no answer, forcing a full re-probe. Pulse RESETB in earlyInitVariant(), as the M5 does with its wake pulse in #12113. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>