mikecarper
5833ac2f1f
Use a bounded uzlib-derived block encoder with the existing strict tinf decoder, qualify infrastructure roles, budget temporary RAM, and cache running-image metadata. Add self-serve CLI and policy, USB host-loss sleep grace, hardware test harnesses, regression tests, and CI coverage.
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
#pragma once
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#include <stdint.h>
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namespace mesh {
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// Keep a native USB radio awake through a short host reboot after a positive
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// native USB host signal. No reported host means no grace. Some cores initially
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// report a host before their first SOF check; that can arm only this bounded
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// window, never an indefinite charger-only/battery sleep inhibitor.
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class UsbHostSleepPolicy {
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uint32_t _last_host_seen_ms = 0;
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bool _host_present = false;
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bool _loss_grace_armed = false;
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public:
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void observe(bool host_present, uint32_t now) {
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_host_present = host_present;
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if (host_present) {
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_last_host_seen_ms = now;
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_loss_grace_armed = true;
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}
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}
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bool shouldKeepAwake(uint32_t now, uint32_t grace_ms) {
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if (_host_present) return true;
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if (!_loss_grace_armed) return false;
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if (static_cast<uint32_t>(now - _last_host_seen_ms) < grace_ms) {
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return true;
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}
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// Disarm after expiry so another millis() cycle cannot revive an old signal.
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_loss_grace_armed = false;
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return false;
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}
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};
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} // namespace mesh
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