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@@ -999,6 +999,10 @@ static uint8_t rfConnTx(uint8_t ch, uint8_t s1, const uint8_t* payload, uint8_t
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const uint8_t* rep=&rfrx[idx+2]; // report 0x45: [0x45][seq][buttons u32]...
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bool fresh=(rep[1]!=g_lastSeq); if(fresh){ g_stNew++; g_lastSeq=rep[1]; } // genuine new report vs stale poll-repeat
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uint32_t bb=btnsOf(rep);
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+ // USB remote wakeup: if the host is sleeping and the user presses any button, signal it to wake up.
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+ // The host must have enabled remote wakeup (SET_FEATURE DEVICE_REMOTE_WAKEUP) for this to succeed;
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+ // tud_remote_wakeup() is a no-op when not suspended, so it is always safe to call here.
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+ if(fresh && bb && USBDevice.suspended()) USBDevice.remoteWakeup();
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// cache the latest decoded frame for the Switch streamer + Xbox/Steam paths
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g_swBtns=bb; g_swLX=(int16_t)s16off(rep,8); g_swLY=(int16_t)s16off(rep,10);
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g_swRX=(int16_t)s16off(rep,12); g_swRY=(int16_t)s16off(rep,14);
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@@ -1407,6 +1411,9 @@ void setup() {
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// adding a vendor config interface (and the USB-2.1 BOS it forces) would re-create the exact composite that
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// stops them binding. In those modes, reconfigure over RF (back-paddle chord) or from Steam mode.
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if (g_usbMode == 0) usb_web.begin(); // no landing page -> no Chrome auto-notification
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+ // Enable USB Remote Wakeup (bit 5) so the host lets us signal wake-from-sleep. Bit 7 is always required.
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+ // The host OS enables device wakeup via SET_FEATURE(DEVICE_REMOTE_WAKEUP); we assert the capability here.
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+ USBDevice.setConfigurationAttribute(0x80 | 0x20); // bmAttributes: required(0x80) | remote_wakeup(0x20)
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USBDevice.attach(); // re-connect with the final descriptor (host re-reads it fresh -> deterministic enumeration)
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Serial.begin(115200);
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for (int i=0; i<300 && !USBDevice.mounted(); i++) delay(10); // wait up to 3s for USB mount, but NEVER hang:
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copilot-swe-agent[bot]