zynq-rs/src/uart/regs.rs

63 lines
1.8 KiB
Rust

use volatile_register::{RO, WO, RW};
use crate::{register, register_bit, register_bits, register_at, regs::*};
pub enum ChannelMode {
Normal = 0b00,
AutomaticEcho = 0b01,
LocalLoopback = 0b10,
RemoteLoopback = 0b11,
}
#[repr(C)]
pub struct RegisterBlock {
pub control: Control,
pub mode: Mode,
pub intrpt_en: RW<u32>,
pub intrpt_dis: RW<u32>,
pub intrpt_mask: RO<u32>,
pub chnl_int_sts: WO<u32>,
pub baud_rate_gen: BaudRateGen,
pub rcvr_timeout: RW<u32>,
pub rcvr_fifo_trigger_level: RW<u32>,
pub modem_ctrl: RW<u32>,
pub modem_sts: RW<u32>,
pub channel_sts: ChannelSts,
pub tx_rx_fifo: TxRxFifo,
pub baud_rate_divider: BaudRateDiv,
pub flow_delay: RW<u32>,
pub unused0: RO<u32>,
pub unused1: RO<u32>,
pub tx_fifo_trigger_level: RW<u32>,
}
register_at!(RegisterBlock, 0xE0000000, uart0);
register_at!(RegisterBlock, 0xE0001000, uart1);
register!(control, Control, RW, u32);
register_bit!(control, rxrst, 0);
register_bit!(control, txrst, 1);
register_bit!(control, rxen, 2);
register_bit!(control, rxdis, 3);
register_bit!(control, txen, 4);
register_bit!(control, txdis, 5);
register_bit!(control, rstto, 6);
register_bit!(control, sttbrk, 7);
register_bit!(control, stpbrk, 8);
register!(mode, Mode, RW, u32);
/// Channel mode: Defines the mode of operation of the UART.
register_bits!(mode, chmode, u8, 8, 9);
register_bits!(mode, par, u8, 3, 5);
register!(baud_rate_gen, BaudRateGen, RW, u32);
register_bits!(baud_rate_gen, cd, u16, 0, 15);
register!(channel_sts, ChannelSts, RO, u32);
register_bit!(channel_sts, txfull, 4);
register!(tx_rx_fifo, TxRxFifo, RW, u32);
register_bits!(tx_rx_fifo, data, u32, 0, 31);
register!(baud_rate_div, BaudRateDiv, RW, u32);
register_bits!(baud_rate_div, bdiv, u8, 0, 7);