/*SPI規范：Data is always clocked into the device on the rising edge of SCK a-*/
/* nd clocked out of the device on the falling edge of SCK.All instruction-*/
/* s,addresses and data are transferred with the most significant bit(MSB) */
/* first.
out< "please input the number of the nodes"<<endl
cin>>nodesNum
cout<<"please input the graph"<<endl
for( i = 1 i<=nodesNum i++)
for( j = 1 j <= nodesNum j++)
cin>>graph[i][j] */
this is a sample about usb out transmission,it s default installation is D:\RedLogic\RCII_samples, and the software environment is quatrusII 5.0,it is usefull for studying hardware and usb.
