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Fix CDC blocking streams in Host mode locking up when the device is removed.

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This commit is contained in:
Dean Camera 2010-01-04 00:33:31 +00:00
parent 71e5bcee3d
commit 1e1cf2c499
1 changed files with 3 additions and 0 deletions
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3
LUFA/Drivers/USB/Class/Host/CDC.c
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@ -445,6 +445,9 @@ static int CDC_Host_getchar_Blocking(FILE* Stream)
{ {
while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)))) while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))
{ {
if (USB_HostState == HOST_STATE_Unattached)
return _FDEV_EOF;
CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
USB_USBTask(); USB_USBTask();
} }