zynq之ps端开发

printf和xil_printf的不同

https://www.eefocus.com/walkie/blog/09-02/165549_bf04c.html

ps端对DDR的读写

/***************************************************************************/
/
*

• @brief Performs an input operation for a memory location by reading

•       from the specified address and returning the 8 bit Value read from
  

•        that address.
  

• @param Addr: contains the address to perform the input operation

• @return The 8 bit Value read from the specified input address.

******************************************************************************/
static INLINE u8 Xil_In8(UINTPTR Addr)
{
return *(vola