关于freemodbus源码中的xMBRTUReceiveFSM（）

最新推荐文章于 2024-11-28 03:09:23 发布

少年英雄张胡来

最新推荐文章于 2024-11-28 03:09:23 发布

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分类专栏： freemodbus 文章标签： freemodbus

本文链接：https://blog.youkuaiyun.com/qq_42680253/article/details/101050835

本文详细解读了freemodbus库中mbrtu.c文件内的xMBRTUReceiveFSM()函数，阐述了其在eMBInit()初始化后如何响应RXNE中断，以及在不同状态（STATE_RX_INIT, STATE_RX_IDLE, STATE_RX_RCV）下的工作原理，特别是数据接收、超时处理和状态转换机制。" 109123373,10012313,BERT文本预处理详解与实现,"['自然语言处理', '深度学习', '预处理', 'Python']

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BOOL
xMBRTUReceiveFSM( void )
{
    BOOL            xTaskNeedSwitch = FALSE;
    UCHAR           ucByte;

    assert( eSndState == STATE_TX_IDLE );

    /* Always read the character. */
    ( void )xMBPortSerialGetByte( ( CHAR * ) & ucByte );

    switch ( eRcvState )
    {
        /* If we have received a character in the init state we have to
         * wait until the frame is finished.
         */
    case STATE_RX_INIT:
        vMBPortTimersEnable(  );
        break;

        /* In the error state we wait until all characters in the
         * damaged frame are transmitted.
         */
    case STATE_RX_ERROR:
        vMBPortTimersEnable(  );
        break;

        /* In the idle state we wait for a new character. If a character
         * is received the t1.5 and t3.5 timers are started and the
         * receiver is in the state STATE_RX_RECEIVCE.
         */
    case STATE_RX_IDLE:
        usRcvBufferPos = 0;
        ucRTUBuf[usRcvBufferPos++] = ucByte;
        e