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In rare cases, when using a slow clock frequency the first C_PCI_DATA_WIDTH/32 dwords would be dropped during a TX transaction (FPGA to host). This was caused by an earlier bug fix, also addressing slow clock frequencies. In this case, the fix caused RD_EN to stay high for too long, which subsequently caused the first dwords to be dropped. Also adding: New testing projects which instantiate 12 channels, each with a different clock frequency, and a test script (asyncutil.sh) to test these projects.
The Linux C/C++ library is compiled and installed with the kernel driver. This directory contains a sample application subdirectory that you can use to test your design.