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1IRP_MJ_CREATE - Opens a COM port (COM3)
STATUS_SUCCESS
Opened by:
F:\Qt\QSerialPort.exe

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3IRP_MJ_CLOSE - Close a COM port (COM3)
STATUS_SUCCESS

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5IRP_MJ_CREATE - Opens a COM port (COM3)
STATUS_SUCCESS
Opened by:
F:\Qt\QSerialPort.exe

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7IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_BAUD_RATE - Returns the baud rate that is currently set for a COM port
BaudRate - 115200

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9IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_LINE_CONTROL - Request returns information about the line control set for a COM port
StopBits   - 0 (1 stop bit)
Parity     - 0 (NO_PARITY)
WordLength - 8

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11IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_CHARS - Request returns the special characters that Serial uses with handshake flow control
EofChar   - 0
ErrorChar - 0
BreakChar - 0
EventChar - 0
XonChar   - 0
XoffChar  - 0

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13IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_HANDFLOW - Request returns information about the configuration of the handshake flow control set for a COM port
ControlHandShake - 0x00 
FlowReplace      - 0x00 
XonLimit         - 0
XoffLimit        - 0

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15IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_BAUD_RATE - Returns the baud rate that is currently set for a COM port
BaudRate - 115200

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17IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_LINE_CONTROL - Request returns information about the line control set for a COM port
StopBits   - 0 (1 stop bit)
Parity     - 0 (NO_PARITY)
WordLength - 8

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19IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_CHARS - Request returns the special characters that Serial uses with handshake flow control
EofChar   - 0
ErrorChar - 0
BreakChar - 0
EventChar - 0
XonChar   - 0
XoffChar  - 0

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21IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_HANDFLOW - Request returns information about the configuration of the handshake flow control set for a COM port
ControlHandShake - 0x00 
FlowReplace      - 0x00 
XonLimit         - 0
XoffLimit        - 0

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23IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_BAUD_RATE - Request sets the baud rate on a COM port. Serial verifies the specified baud rate
BaudRate - 115200

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25IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_CLR_RTS - Request clears the RTS control signal

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27IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_CLR_DTR - Request clears the DTR control signal.

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29IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_LINE_CONTROL - Request sets the line control register
StopBits   - 0 (1 stop bit)
Parity     - 0 (NO_PARITY)
WordLength - 8

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31IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_CHARS - Request sets the special characters that Serial uses for handshake flow control
EofChar   - 0
ErrorChar - 0
BreakChar - 0
EventChar - 0
XonChar   - 0
XoffChar  - 0

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33IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_HANDFLOW - Request sets the configuration of handshake flow control
ControlHandShake - 0x00 
FlowReplace      - 0x00 
XonLimit         - 0
XoffLimit        - 0

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35IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_TIMEOUTS - Returns the timeout values that Serial uses with read and write requests
ReadIntervalTimeout         - -1
ReadTotalTimeoutMultiplier  - 0
ReadTotalTimeoutConstant    - 0
WriteTotalTimeoutMultiplier - 0
WriteTotalTimeoutConstant   - 0

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37IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_TIMEOUTS - Request sets the timeout value's that the driver uses with read and write requests
ReadIntervalTimeout         - -1
ReadTotalTimeoutMultiplier  - 0
ReadTotalTimeoutConstant    - 0
WriteTotalTimeoutMultiplier - 0
WriteTotalTimeoutConstant   - 0

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39IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_WAIT_MASK - Request configures Serial to notify a client after the occurrence of any one of a specified set of wait events
Mask - 0x00000001 (EV_RXCHAR)

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41IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_WAIT_ON_MASK - Request is used to wait for the occurrence of any wait event specified by using an IOCTL_SERIAL_SET_WAIT_MASK request
Mask - 0x00000401 (EV_RXCHAR)

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43IRP_MJ_WRITE - Request transfers data from a client to a COM port (COM3) - 4 bytes of 4
STATUS_SUCCESS
12 11 02 38                                       ...8            

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45IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_BAUD_RATE - Returns the baud rate that is currently set for a COM port
BaudRate - 115200

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47IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_LINE_CONTROL - Request returns information about the line control set for a COM port
StopBits   - 0 (1 stop bit)
Parity     - 0 (NO_PARITY)
WordLength - 8

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49IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_CHARS - Request returns the special characters that Serial uses with handshake flow control
EofChar   - 0
ErrorChar - 0
BreakChar - 0
EventChar - 0
XonChar   - 0
XoffChar  - 0

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51IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_GET_HANDFLOW - Request returns information about the configuration of the handshake flow control set for a COM port
ControlHandShake - 0x00 
FlowReplace      - 0x00 
XonLimit         - 0
XoffLimit        - 0

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53IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_BAUD_RATE - Request sets the baud rate on a COM port. Serial verifies the specified baud rate
BaudRate - 115200

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55IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_CLR_RTS - Request clears the RTS control signal

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57IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_CLR_DTR - Request clears the DTR control signal.

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59IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_LINE_CONTROL - Request sets the line control register
StopBits   - 0 (1 stop bit)
Parity     - 0 (NO_PARITY)
WordLength - 8

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61IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_CHARS - Request sets the special characters that Serial uses for handshake flow control
EofChar   - 0
ErrorChar - 0
BreakChar - 0
EventChar - 0
XonChar   - 0
XoffChar  - 0

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63IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_HANDFLOW - Request sets the configuration of handshake flow control
ControlHandShake - 0x00 
FlowReplace      - 0x00 
XonLimit         - 0
XoffLimit        - 0

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65IRP_MJ_DEVICE_CONTROL - Request operates a serial port (COM3)
STATUS_SUCCESS
IOCTL_SERIAL_SET_TIMEOUTS - Request sets the timeout value's that the driver uses with read and write requests
ReadIntervalTimeout         - -1
ReadTotalTimeoutMultiplier  - 0
ReadTotalTimeoutConstant    - 0
WriteTotalTimeoutMultiplier - 0
WriteTotalTimeoutConstant   - 0

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