/**
* \brief Read a single byte from the UART.
*
* Blocks until at least a byte is available.
*/
u8 a10_uart_rx_blocking(void *uart_base)
{
struct a10_uart *uart = uart_base;
while (rx_fifo_empty(uart)) ;
return read32(&uart->rbr);
}
uint8_t data_ready() {
uint8_t status = get_status();
if ( status & (1 << RX_DR) ) return 1;
return !rx_fifo_empty();
}
/**
* \brief Read a single byte from the UART.
*
* Blocks until at least a byte is available.
*/
static u8 a10_uart_rx_blocking(struct a10_uart *uart)
{
while (rx_fifo_empty(uart));
return read32(&uart->rbr);
}
