; #INDEX# =======================================================================================================================
; Name ..........: CommAPIHelper.au3
; Title .........: Communications Functions of Windows API
; Description ...: Communications Functions of Windows API calls that have been translated to AutoIt functions.
; Version Date ..: 2014-03-07
; AutoIt Version : 3.3.8.1
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363194(v=vs.85).aspx
; Tag(s) ........: RS-232, serial port, COM port
; Author(s) .....:
; Dll(s) ........: kernel32.dll
; Error handling : Everytime @extended is set, it is filled with @ScriptLineNumber of the error.
; ===============================================================================================================================
#include-once
#include "CommAPI.au3"
#NoAutoIt3Execute
#AutoIt3Wrapper_Au3Check_Parameters=-q -d -w 1 -w 2 -w 3 -w- 4 -w 5 -w 6 -w- 7
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_ChangeCommStateElement
; Description ...: Change one control setting for an element of a specified communications device.
; Syntax ........: _CommAPI_ChangeCommStateElement(Const $hFile, Const $sElement, Const $vValue)
; Parameters ....: $hFile - [in] A handle to the communications device.
; $sElement - [in] A element name of DCB structure.
; $vValue - [in] A new value for the element.
; Return values .: Success - Previous data in the element of the struct.
; Failure - 0
; @error - 11 struct not a correct struct returned by DllStructCreate
; 12 element value out of range
; 13 index would be outside of the struct
; 14 element data type is unknown
; 15 index <= 0
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_SetCommStateElement, $tagDCB
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363214(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_ChangeCommStateElement(Const $hFile, Const $sElement, Const $vValue)
Local $tDCB = DllStructCreate($tagDCB)
_CommAPI_GetCommState($hFile, $tDCB)
If @error Then Return SetError(@error, @extended, 0)
Local $vResult = _CommAPI_SetCommStateElement($tDCB, $sElement, $vValue)
_CommAPI_SetCommState($hFile, $tDCB)
If @error Then Return SetError(@error, @extended, 0)
Return $vResult
EndFunc ;==>_CommAPI_ChangeCommStateElement
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_ChangeCommTimeoutsElement
; Description ...: Change one time-out parameter for an element off a specified communications device.
; Syntax ........: _CommAPI_ChangeCommTimeoutsElement(Const $hFile, Const $sElement, Const $vValue)
; Parameters ....: $hFile - [in] A handle to the communications device.
; $sElement - [in] A element name of COMMTIMEOUTS structure.
; $vValue - [in] A new value for the element.
; Return values .: Success - Previous data in the element of the struct.
; Failure - 0
; @error - 11 struct not a correct struct returned by DllStructCreate
; 12 element value out of range
; 13 index would be outside of the struct
; 14 element data type is unknown
; 15 index <= 0
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_SetCommTimeoutsElement, $tagCOMMTIMEOUTS
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363190(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_ChangeCommTimeoutsElement(Const $hFile, Const $sElement, Const $vValue)
Local $tCommTimeouts = DllStructCreate($tagCOMMTIMEOUTS)
_CommAPI_GetCommTimeouts($hFile, $tCommTimeouts)
If @error Then Return SetError(@error, @extended, 0)
Local $vResult = _CommAPI_SetCommTimeoutsElement($tCommTimeouts, $sElement, $vValue)
_CommAPI_SetCommTimeouts($hFile, $tCommTimeouts)
If @error Then Return SetError(@error, @extended, 0)
Return $vResult
EndFunc ;==>_CommAPI_ChangeCommTimeoutsElement
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_GetCommStateElement
; Description ...: Retrieves one control setting for an element of a specified communications device.
; Syntax ........: _CommAPI_GetCommStateElement(Const $tDCB, Const $sElement)
; Parameters ....: $tDCB - [in] A DCB structure.
; $sElement - [in] A element name of DCB structure.
; Return values .: Success - Data in the element of the struct.
; Failure - 0
; @error - 11 struct not a correct struct returned by DllStructCreate
; 12 element value out of range
; 13 index would be outside of the struct
; 14 element data type is unknown
; 15 index <= 0
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_GetCommState, _CommAPI_SetCommStateElement, $tagDCB
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363214(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_GetCommStateElement(Const $tDCB, Const $sElement)
Local $vResult = 0
Local $iShift = 0
Local $bValid = 0x1
Switch $sElement
Case "fBinary"
Case "fParity"
$iShift = 1
Case "fOutxCTSFlow"
$iShift = 2
Case "fOutxDSRFlow"
$iShift = 3
Case "fDTRControl"
$iShift = 4
$bValid = 0x3
Case "fDsrSensitivity"
$iShift = 6
Case "fTXContinueOnXoff"
$iShift = 7
Case "fOutX"
$iShift = 8
Case "fInX"
$iShift = 9
Case "fErrorChar"
$iShift = 10
Case "fNull"
$iShift = 11
Case "fRTSControl"
$iShift = 12
$bValid = 0x3
Case "fAbortOnError"
$iShift = 14
Case "Dymmy2"
$iShift = 15
$bValid = 0x1FFFF
Case Else
$vResult = DllStructGetData($tDCB, $sElement)
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
Return $vResult
EndSwitch
$vResult = DllStructGetData($tDCB, "fBitFields")
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
Return BitAND($bValid, BitShift($vResult, $iShift))
EndFunc ;==>_CommAPI_GetCommStateElement
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_GetCommTimeoutsElement
; Description ...: Retrieves one time-out parameter for an element of a specified communications device.
; Syntax ........: _CommAPI_GetCommTimeoutsElement(Const $tCommTimeouts, Const $sElement)
; Parameters ....: $tCommTimeouts - [in] A COMMTIMEOUTS structure.
; $sElement - [in] A element name of DCB structure.
; Return values .: Success - Data in the element of the struct.
; Failure - 0
; @error - 11 struct not a correct struct returned by DllStructCreate
; 12 element value out of range
; 13 index would be outside of the struct
; 14 element data type is unknown
; 15 index <= 0
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_GetCommTimeouts, _CommAPI_SetCommTimeoutsElement, $tagCOMMTIMEOUTS
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363190(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_GetCommTimeoutsElement(Const $tCommTimeouts, Const $sElement)
Local $vResult = 0
$vResult = DllStructGetData($tCommTimeouts, $sElement)
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
Return $vResult
EndFunc ;==>_CommAPI_GetCommTimeoutsElement
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_IsOnCTS
; Description ...: The CTS (clear-to-send) signal is on.
; Syntax ........: _CommAPI_IsOnCTS(Const $hFile)
; Parameters ....: $hFile - [in] A handle to the communications device.
; Return values .: Success - True
; Failure - False
; @error - 1 unable to use the DLL file
; 2 unknown "return type"
; 3 "function" not found in the DLL file
; 4 bad number of parameters
; 5 bad parameter
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_GetCommModemStatus
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363258(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_IsOnCTS(Const $hFile)
Local $iModemStatus = _CommAPI_GetCommModemStatus($hFile)
If @error Then Return SetError(@error, @extended, False)
If BitAND($iModemStatus, $MS_CTS_ON) Then Return True
Return False
EndFunc ;==>_CommAPI_IsOnCTS
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_IsOnDSR
; Description ...: The DSR (data-set-ready) signal is on.
; Syntax ........: _CommAPI_IsOnDSR(Const $hFile)
; Parameters ....: $hFile - [in] A handle to the communications device.
; Return values .: Success - True
; Failure - False
; @error - 1 unable to use the DLL file
; 2 unknown "return type"
; 3 "function" not found in the DLL file
; 4 bad number of parameters
; 5 bad parameter
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_GetCommModemStatus
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363258(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_IsOnDSR(Const $hFile)
Local $iModemStatus = _CommAPI_GetCommModemStatus($hFile)
If @error Then Return SetError(@error, @extended, False)
If BitAND($iModemStatus, $MS_DSR_ON) Then Return True
Return False
EndFunc ;==>_CommAPI_IsOnDSR
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_IsOnRI
; Description ...: The RI (ring indicator) signal is on.
; Syntax ........: _CommAPI_IsOnRI(Const $hFile)
; Parameters ....: $hFile - [in] A handle to the communications device.
; Return values .: Success - True
; Failure - False
; @error - 1 unable to use the DLL file
; 2 unknown "return type"
; 3 "function" not found in the DLL file
; 4 bad number of parameters
; 5 bad parameter
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_GetCommModemStatus
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363258(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_IsOnRI(Const $hFile)
Local $iModemStatus = _CommAPI_GetCommModemStatus($hFile)
If @error Then Return SetError(@error, @extended, False)
If BitAND($iModemStatus, $MS_RING_ON) Then Return True
Return False
EndFunc ;==>_CommAPI_IsOnRI
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_IsOnDCD
; Description ...: The DCD/CD/RLSD (Data Carrier Detect/Carrier Detect/receive-line-signal-detect) signal is on.
; Syntax ........: _CommAPI_IsOnDCD(Const $hFile)
; Parameters ....: $hFile - [in] A handle to the communications device.
; Return values .: Success - True
; Failure - False
; @error - 1 unable to use the DLL file
; 2 unknown "return type"
; 3 "function" not found in the DLL file
; 4 bad number of parameters
; 5 bad parameter
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_GetCommModemStatus
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363258(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_IsOnDCD(Const $hFile)
Local $iModemStatus = _CommAPI_GetCommModemStatus($hFile)
If @error Then Return SetError(@error, @extended, False)
If BitAND($iModemStatus, $MS_RLSD_ON) Then Return True
Return False
EndFunc ;==>_CommAPI_IsOnDCD
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_SetCommStateElement
; Description ...: Set one control setting for an element of a specified communications device.
; Syntax ........: _CommAPI_SetCommStateElement(ByRef $tDCB, Const $sElement, Const $vValue)
; Parameters ....: $tDCB - [in/out] A DCB structure.
; $sElement - [in] A element name of DCB structure.
; $vValue - [in] A new value for the element.
; Return values .: Success - Previous data in the element of the struct.
; Failure - 0
; @error - 11 struct not a correct struct returned by DllStructCreate
; 12 element value out of range
; 13 index would be outside of the struct
; 14 element data type is unknown
; 15 index <= 0
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_SetCommState, _CommAPI_GetCommStateElement, $tagDCB
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363214(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_SetCommStateElement(ByRef $tDCB, Const $sElement, Const $vValue)
Local $vResult = 0
Local $iShift = 0
Local $bValid = 0x1
Local $bMask = 0xFFFFFFFF
Switch $sElement
Case "fBinary"
$bMask = 0xFFFFFFFE
Case "fParity"
$iShift = -1
$bMask = 0xFFFFFFFD
Case "fOutxCTSFlow"
$iShift = -2
$bMask = 0xFFFFFFFB
Case "fOutxDSRFlow"
$iShift = -3
$bMask = 0xFFFFFFF7
Case "fDTRControl"
$iShift = -4
$bValid = 0x3
$bMask = 0xFFFFFFCF
Case "fDsrSensitivity"
$iShift = -6
$bMask = 0xFFFFFFBF
Case "fTXContinueOnXoff"
$iShift = -7
$bMask = 0xFFFFFF7F
Case "fOutX"
$iShift = -8
$bMask = 0xFFFFFEFF
Case "fInX"
$iShift = -9
$bMask = 0xFFFFFDFF
Case "fErrorChar"
$iShift = -10
$bMask = 0xFFFFFBFF
Case "fNull"
$iShift = -11
$bMask = 0xFFFFF7FF
Case "fRTSControl"
$iShift = -12
$bValid = 0x3
$bMask = 0xFFFFCFFF
Case "fAbortOnError"
$iShift = -14
$bMask = 0xFFFFBFFF
Case "Dymmy2"
$iShift = -15
$bValid = 0x1FFFF
$bMask = 0x7FFF
Case Else
$vResult = DllStructSetData($tDCB, $sElement, $vValue)
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
Return $vResult
EndSwitch
$vResult = DllStructGetData($tDCB, "fBitFields")
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
$vResult = BitXOR(BitShift(BitAND($vValue, $bValid), $iShift), BitAND($vResult, $bMask))
$vResult = DllStructSetData($tDCB, "fBitFields", $vResult)
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
Return $vResult
EndFunc ;==>_CommAPI_SetCommStateElement
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_SetCommTimeoutsElement
; Description ...: Sets one time-out parameter for an element off a specified communications device.
; Syntax ........: _CommAPI_SetCommTimeoutsElement(Byref $tCommTimeouts, Const $sElement, Const $vValue)
; Parameters ....: $tCommTimeouts - [in/out] A COMMTIMEOUTS structure.
; $sElement - [in] A element name of COMMTIMEOUTS structure.
; $vValue - [in] A new value for the element.
; Return values .: Success - Previous data in the element of the struct.
; Failure - 0
; @error - 11 struct not a correct struct returned by DllStructCreate
; 12 element value out of range
; 13 index would be outside of the struct
; 14 element data type is unknown
; 15 index <= 0
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_ChangeCommTimeoutsElement, _CommAPI_SetCommTimeouts, _CommAPI_GetCommTimeoutsElement, $tagCOMMTIMEOUTS
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363190(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_SetCommTimeoutsElement(ByRef $tCommTimeouts, Const $sElement, Const $vValue)
Local $vResult = DllStructSetData($tCommTimeouts, $sElement, $vValue)
If @error Then Return SetError(@error+10, @ScriptLineNumber, 0)
Return $vResult
EndFunc ;==>_CommAPI_SetCommTimeoutsElement
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_SetOnDTR
; Description ...: Sends or clears the DTR (data-terminal-ready) signal.
; Syntax ........: _CommAPI_SetOnDTR(Const $hFile, Const $iDTR)
; Parameters ....: $hFile - [in] A handle to the communications device.
; $iDTR - [in] A boolean value: True - Sends the DTR (data-terminal-ready) signal.
; False - Clears the DTR (data-terminal-ready) signal.
; Return values .: Success - True
; Failure - False
; @error - 1 unable to use the DLL file
; 2 unknown "return type"
; 3 "function" not found in the DLL file
; 4 bad number of parameters
; 5 bad parameter
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_EscapeCommFunction
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363254(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_SetOnDTR(Const $hFile, Const $iDTR)
Local $iFunction = 0
Switch StringUpper($iDTR)
Case "0", "OFF", "FALSE", String($CLRDTR)
$iFunction = $CLRDTR
Case "1", "ON", "TRUE", String($SETDTR)
$iFunction = $SETDTR
Case Else
Return False
EndSwitch
_CommAPI_EscapeCommFunction($hFile, $iFunction)
If @error Then Return SetError(@error, @extended, False)
Return True
EndFunc ;==>_CommAPI_SetOnDTR
; #FUNCTION# ====================================================================================================================
; Name ..........: _CommAPI_SetOnRTS
; Description ...: Sends or clears the RTS (request-to-send) signal.
; Syntax ........: _CommAPI_SetOnRTS(Const $hFile, Const $iRTS)
; Parameters ....: $hFile - [in] A handle to the communications device.
; $iRTS - [in] A boolean value: True - Sends the RTS (request-to-send) signal.
; False - Clears the RTS (request-to-send) signal.
; Return values .: Success - True
; Failure - False
; @error - 1 unable to use the DLL file
; 2 unknown "return type"
; 3 "function" not found in the DLL file
; 4 bad number of parameters
; 5 bad parameter
; Author ........:
; Modified ......:
; Remarks .......:
; Related .......: _CommAPI_EscapeCommFunction
; Link ..........: http://msdn.microsoft.com/en-us/library/aa363254(v=vs.85).aspx
; Example .......: No
; ===============================================================================================================================
Func _CommAPI_SetOnRTS(Const $hFile, Const $iRTS)
Local $iFunction = 0
Switch StringUpper($iRTS)
Case "0", "OFF", "FALSE", String($CLRRTS)
$iFunction = $CLRRTS
Case "1", "ON", "TRUE", String($SETRTS)
$iFunction = $SETRTS
Case Else
Return False
EndSwitch
_CommAPI_EscapeCommFunction($hFile, $iFunction)
If @error Then Return SetError(@error, @extended, False)
Return True
EndFunc ;==>_CommAPI_SetOnRTS