IOCTL_SERIAL_SET_HANDFLOW请求设置握手流控制的配置。 串行控制器驱动程序验证指定的握手流控制信息。若要获取握手流控制信息,客户端可以使用 IOCTL_SERIAL_GET_HANDFLOW 请求。有关握手流控制设置的详细信息,请参阅 SERIAL_HANDFLOW。主要代码IRP_MJ_DEVICE_CONTROL...
// 串口句柄IOCTL_SERIAL_GET_HANDFLOW,// IOCTL命令代码NULL,// 输入缓冲区0,// 输入缓冲区长度&serialHandFlow,// 输出缓冲区sizeof(SERIAL_HANDFLOW),// 输出缓冲区长度&bytesReturned,// 操作的字节数NULL// 重叠结构);if(result){// 成功获取串口流控制参数}else{// 失败处理}4.应用场景...
IOCTL_SERIAL_GET_HANDFLOW概述 IOCTL_SERIAL_GET_HANDFLOW是一个IOCTL命令代码,它用于获取串口通讯接口的流控制参数。通过调用这个命令,驱动程序可以返回流控制参数,这些参数包括:使用的流控制协议、Xon字符、Xoff字符、流控制阈值等。 SERIAL_HANDFLOW结构体 当驱动程序收到IOCTL_SERIAL_GET_HANDFLOW命令时,应当将相关...
IOCTL_SERIAL_GET_BAUD_RATE [X] [MS-RDPESP]0x001b0054 IOCTL_SERIAL_GET_LINE_CONTROL [X] [MS-RDPESP]0x001b0058 IOCTL_SERIAL_GET_CHARS [X] [MS-RDPESP]0x001b005c IOCTL_SERIAL_SET_CHARS [X] [MS-RDPESP]0x001b0060 IOCTL_SERIAL_GET_HANDFLOW ...
The IOCTL_SERIAL_GET_BAUD_RATE request returns the baud rate at which the serial port is currently configured to transmit and receive data.
The IOCTL_SERIAL_GET_COMMSTATUS request returns information about the communication status of a serial device. For more information about the status information that is retrieved by this request, see SERIAL_STATUS.
IOCTL_SERIAL_SET_BREAK_OFF IOCTL IOCTL_SERIAL_SET_BREAK_ON IOCTL IOCTL_SERIAL_SET_CHARS IOCTL IOCTL_SERIAL_SET_DTR IOCTL IOCTL_SERIAL_SET_FIFO_CONTROL IOCTL IOCTL_SERIAL_SET_HANDFLOW IOCTL IOCTL_SERIAL_SET_LINE_CONTROL IOCTL IOCTL_SERIAL_SET_MODEM_CONTROL IOCTL IOCTL_SERIAL_SET_QUEUE_...
IOCTL_SERIAL_SET_DTR请求设置 DTR (数据终端就绪) 。 如果设备的握手流控制配置为自动使用 DTR,则客户端无法清除或设置 DTR。 若要清除 DTR,客户端可以使用IOCTL_SERIAL_CLR_DTR请求。 主要代码 IRP_MJ_DEVICE_CONTROL 输入缓冲区 无。 输入缓冲区长度 ...
1...IOCTL_SERIAL_GET_HANDFLOW概述IOCTL_SERIAL_GET_HANDFLOW是一个IOCTL命令代码,它用于获取串口通讯接口的流控制参数。...使用IOCTL_SERIAL_GET_HANDFLOW在应用程序中,可以通过DeviceIoControl函数发送IOCTL_SERIAL_GET_HANDFLOW命令。...;BOOL result = DeviceIoControl( hSerial, // 串口句柄 IOCTL_SERIAL_GET_...
The IOCTL_SERIAL_SET_WAIT_MASK request configures the serial controller driver to notify a client after the occurrence of any one of a specified set of wait events.