// Serial usage
static void serial_putchar(int c) {
// check how much fifo we've used and if we need to drain it
if (fifo_used == fifo_depth) {
wait_for_fifo();
}
write_thr((uint8_t)c);
if (c == '\n') {
wait_for_fifo();
write_thr('\r');
}
fifo_used++;
}
void uart_putc(char c)
{
if (c == '\n')
uart_putc('\r');
while (read_tcr() & ((1 << 7) - 1))
;
write_thr(c);
}
static void serial_putchar(int c) {
/* check how much fifo we've used and if we need to drain it */
if (fifo_used == fifo_depth) {
wait_for_fifo();
}
write_thr((uint8_t)c);
fifo_used++;
}
