Commit 91f17638 authored by Tomasz Wlostowski's avatar Tomasz Wlostowski

uart.c: added RX functions

parent fcf2f2ef
......@@ -21,3 +21,13 @@ void uart_write_byte(unsigned char x)
if(x == '\n')
uart_write_byte('\r');
}
int uart_poll()
{
return uart->SR & UART_SR_RX_RDY;
}
int uart_read_byte()
{
return uart ->RDR & 0xff;
}
\ No newline at end of file
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