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usb: log USB device-capacity rejects to COM1 #38

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usb: log USB device-capacity rejects to COM1 #38

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12 changes: 12 additions & 0 deletions USBDDOS/usb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -279,9 +279,21 @@ BOOL USB_InitDevice(HCD_HUB* pHub, uint8_t portIndex, uint16_t portStatus)
{
//early return
if(pHub->pHCI->bDevCount >= USB_MAX_HC_COUNT)
{
_LOG("USB: bDevCount >= USB_MAX_HC_COUNT (%d) on HC; refusing device on port %d\n",
USB_MAX_HC_COUNT, portIndex);
return FALSE;
}
if(USBT.DeviceCount >= USB_MAX_DEVICE_COUNT)
{
/* F-AUDIT-2: silent reject was a real-world support nightmare.
* Make it visible in COM1 capture so users can identify the cause.
*/
_LOG("USB: DeviceCount >= USB_MAX_DEVICE_COUNT (%d); refusing device on port %d. "
"Hint: bump USB_MAX_DEVICE_COUNT in usbcfg.h\n",
USB_MAX_DEVICE_COUNT, portIndex);
return FALSE;
}

USB_Device* pDevice = NULL;
uint8_t address;
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