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Commit fae5f627 authored by Benjamin Dobell's avatar Benjamin Dobell
Browse files

Implemented hack to make WinUSB play nice with empty receive transfers

parent e98281af

heimdall/source/BridgeManager.cpp

+8 −0
Original line number Original line Diff line number Diff line
@@ -650,6 +650,14 @@ bool BridgeManager::SendBulkTransfer(unsigned char *data, int length, int timeou 




int BridgeManager::ReceiveBulkTransfer(unsigned char *data, int length, int timeout, bool retry) const

int BridgeManager::ReceiveBulkTransfer(unsigned char *data, int length, int timeout, bool retry) const

{

{

	if (data == nullptr)

	{

		// HACK: It seems WinUSB ignores us when we try to read with length zero.

		static unsigned char dummyData;

		data = &dummyData;

		length = 1;

	}



	int dataTransferred;

	int dataTransferred;

	int result = libusb_bulk_transfer(deviceHandle, inEndpoint, data, length, &dataTransferred, timeout);

	int result = libusb_bulk_transfer(deviceHandle, inEndpoint, data, length, &dataTransferred, timeout);