Function uart_update_rxfifo_trigger

core/uart.c:201–208

}

static void uart_update_rxfifo_trigger(void) {
    uint8_t level = 1;
    if (uart_fifo_enabled() && !uart.rxTimeout) {
        level = 0x0D080401 >> ((uart.fcr >> 6 & 3) * 8);
    }
    uart.isr &= ~(1 << 0);
    uart.isr |= (uart.rfve >= level) << 0;
}

static void uart_next_transmit(void) {
    /* Put character in transmit shift register */