ruv 82c6b8382b fix: rate-limit CSI sends and add ENOMEM backoff to prevent crash ... The CSI callback fires for every WiFi frame in promiscuous mode (100-500+ fps). Each call invoked sendto() synchronously, exhausting lwIP packet buffers (errno 12 = ENOMEM). The rapid-fire failures cascaded into a LoadProhibited guru meditation crash. Two fixes: 1. csi_collector.c: Rate-limit UDP sends to 50 Hz (20ms interval). CSI frames arriving between sends are dropped — the sensing pipeline only needs 20-50 Hz. 2. stream_sender.c: When sendto fails with ENOMEM, suppress further sends for 100ms to let lwIP reclaim buffers. Logs the backoff event and resumes automatically. Closes #127 Co-Authored-By: claude-flow <ruv@ruv.net>		2026-03-03 15:59:44 -05:00
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esp32-csi-node	fix: rate-limit CSI sends and add ENOMEM backoff to prevent crash	2026-03-03 15:59:44 -05:00