Function uart_rx_byte

src/drivers/uart/sifive.c:88–98

}

unsigned char uart_rx_byte(unsigned int idx)
{
	struct sifive_uart_registers *regs = uart_platform_baseptr(idx);
	uint32_t rxdata;

	do {
		rxdata = read32(&regs->rxdata);
	} while (rxdata & RXDATA_EMPTY);

	return rxdata & 0xff;
}

unsigned int uart_input_clock_divider(void)
{