sftool-lib 0.2.3

SiFli SoC serial utility library
Documentation 
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use crate::common::ram_command::{Command, RamCommand, RamOps};
use crate::common::serial_io::{for_tool, sleep_with_cancel};
use crate::{Result, SifliToolTrait};
use std::time::Duration;

/// 通用的速度设置操作实现
pub struct SpeedOps;

impl SpeedOps {
    /// 设置串口速度的通用实现
    pub fn set_speed<T>(tool: &mut T, speed: u32) -> Result<()>
    where
        T: SifliToolTrait + RamCommand,
    {
        // 发送设置波特率命令
        tool.command(Command::SetBaud {
            baud: speed,
            delay: 10,
        })?;

        // 等待一段时间让设置生效
        sleep_with_cancel(&tool.base().cancel_token, Duration::from_millis(50))?;

        let mut io = for_tool(tool);
        io.set_baud_rate(speed)?;
        io.clear(serialport::ClearBuffer::All)?;
        RamOps::wait_for_shell_prompt(&mut io, b"msh >", 200, 5)?;

        Ok(())
    }
}