#!/bin/bash function pci { PCILIB_PATH="/root/pcitool" LD_LIBRARY_PATH="$PCILIB_PATH" $PCILIB_PATH/pci $* } size=16 bytes=`expr $size "*" 4` pci -w xrawdata_packet_length $bytes pci -w xrawdata_enable_loopback 0 pci -w xrawdata_enable_generator 0 pci --start-dma dma1 while [ $? -eq 0 ]; do pci -r dma1 -s 65536 &> /dev/null done pci -w xrawdata_enable_loopback 1 for i in `seq 1 10`; do pci -w dma1 -s $size "*$i" pci -r dma1 -s $size done pci --stop-dma dma1 pci -w xrawdata_enable_loopback 0