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Added new USB_DeviceState variable to keep track of the current Device mode USB state.

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Added new Endpoint_ClearStatusStage() convenience function to assist with the status stages of control transfers.

Removed vague USB_IsConnected global - test USB_DeviceState or USB_HostState explicitly to gain previous functionality.

Removed USB_IsSuspended global - test USB_DeviceState against DEVICE_STATE_Suspended instead.

Fixed possible enumeration errors from spinloops which may fail to exit if the USB connection is severed before the exit condition becomes true.
This commit is contained in:
Dean Camera 2009-07-21 13:31:21 +00:00
parent 44179abcf8
commit e071f3897a
58 changed files with 666 additions and 463 deletions
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6
Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
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@ -54,7 +54,11 @@ uint8_t Printer_SendData(Printer_Data_t* PrinterCommands)
return ErrorCode;
Pipe_ClearOUT();
while (!(Pipe_IsOUTReady()));
while (!(Pipe_IsOUTReady()))
{
if (USB_HostState == HOST_STATE_Unattached)
return PIPE_RWSTREAM_DeviceDisconnected;
}
Pipe_Freeze();