/* target_gotachar():
* Return 0 if no char is avaialable at UART rcv fifo; else 1.
* Do NOT pull character out of fifo, just return status.
*/
int
target_gotachar(void)
{
if (XUartLite_mIsReceiveEmpty(UART_BASE))
return(0);
return(1);
}
inline u8 getkey(void)
{
if(XUartLite_mIsReceiveEmpty(XLB_STDIO_BASEADDR)) {
return '\0';
} else {
return XUartLite_RecvByte(XLB_STDIO_BASEADDR);
}
}
//////////// напюанрвхйх опепшбюмхи //////////////////////////////////////////
void handler_RS232(void *arg2) {
if(!XUartLite_mIsReceiveEmpty(XPAR_UARTLITE_0_BASEADDR)) {
sost_rs = XUartLite_RecvByte(XPAR_UARTLITE_0_BASEADDR);
}
}
/**
*
* This functions receives a single byte using the UART. It is blocking in that
* it waits for the receiver to become non-empty before it reads from the
* receive register.
*
* @param BaseAddress is the base address of the device
*
* @return
*
* The byte of data received.
*
* @note
*
* None.
*
******************************************************************************/
u8 XUartLite_RecvByte(u32 BaseAddress)
{
while (XUartLite_mIsReceiveEmpty(BaseAddress)) ;
return (u8) XIo_In32(BaseAddress + XUL_RX_FIFO_OFFSET);
}
