def ReceiveThreadProc(self):
hFile = self.hFile
osReader = self.osReader
lpBuf = create_string_buffer(1)
dwRead = DWORD()
pHandles = (HANDLE * 2)(osReader.hEvent, self.stopEvent)
waitingOnRead = False
while self.keepAlive:
#print "ReceiveThreadProc"
# if no read is outstanding, then issue another one
if not waitingOnRead:
#print "ResetEvent"
ResetEvent(osReader.hEvent)
returnValue = self._ReadFile(
hFile,
lpBuf,
1, # we want to get notified as soon as a byte is available
byref(dwRead),
byref(osReader)
)
if not returnValue:
err = GetLastError()
if err != 0 and err != ERROR_IO_PENDING:
raise SerialError()
waitingOnRead = True
else:
# read completed immediately
if dwRead.value:
self.HandleReceive(lpBuf.raw)
continue
ret = MsgWaitForMultipleObjects(
2, pHandles, 0, 100000, QS_ALLINPUT
)
if ret == WAIT_OBJECT_0:
returnValue = GetOverlappedResult(
hFile,
byref(osReader),
byref(dwRead),
0
)
#print "GetOverlappedResult", returnValue, dwRead.value
waitingOnRead = False
if returnValue and dwRead.value:
self.HandleReceive(lpBuf.raw)
elif ret == WAIT_OBJECT_0 + 1:
#print "WAIT_OBJECT_1"
# stop event signaled
self.readCondition.acquire()
self.readCondition.notifyAll()
self.readCondition.release()
break
elif ret == WAIT_TIMEOUT:
#print "WAIT_TIMEOUT"
pass
else:
raise SerialError("Unknown message in ReceiveThreadProc")
def ReceiveThreadProc(self):
hFile = self.hFile
osReader = self.osReader
lpBuf = create_string_buffer(1)
dwRead = DWORD()
pHandles = (HANDLE * 2)(osReader.hEvent, self.stopEvent)
waitingOnRead = False
while self.keepAlive:
#print "ReceiveThreadProc"
# if no read is outstanding, then issue another one
if not waitingOnRead:
#print "ResetEvent"
ResetEvent(osReader.hEvent)
returnValue = self._ReadFile(
hFile,
lpBuf,
1, # we want to get notified as soon as a byte is available
byref(dwRead),
byref(osReader)
)
if not returnValue:
err = GetLastError()
if err != 0 and err != ERROR_IO_PENDING:
raise SerialError()
waitingOnRead = True
else:
# read completed immediately
if dwRead.value:
self.HandleReceive(lpBuf.raw)
continue
ret = MsgWaitForMultipleObjects(
2, pHandles, 0, 100000, QS_ALLINPUT
)
if ret == WAIT_OBJECT_0:
returnValue = GetOverlappedResult(
hFile,
byref(osReader),
byref(dwRead),
0
)
#print "GetOverlappedResult", returnValue, dwRead.value
waitingOnRead = False
if returnValue and dwRead.value:
self.HandleReceive(lpBuf.raw)
elif ret == WAIT_OBJECT_0 + 1:
#print "WAIT_OBJECT_1"
# stop event signaled
self.readCondition.acquire()
self.readCondition.notifyAll()
self.readCondition.release()
break
elif ret == WAIT_TIMEOUT:
#print "WAIT_TIMEOUT"
pass
else:
raise SerialError("Unknown message in ReceiveThreadProc")
def OnRawInput(self, hwnd, mesg, wParam, lParam):
pcbSize = UINT()
GetRawInputData(
lParam, RID_INPUT, None, byref(pcbSize), sizeof(RAWINPUTHEADER)
)
buf = create_string_buffer(pcbSize.value)
GetRawInputData(
lParam, RID_INPUT, buf, byref(pcbSize), sizeof(RAWINPUTHEADER)
)
pRawInput = cast(buf, POINTER(RAWINPUT))
keyboard = pRawInput.contents.data.keyboard
if keyboard.VKey == 0xFF:
eg.eventThread.Call(eg.Print, "0xFF")
return 0
#print "Scan code:", keyboard.MakeCode
info = ""
mTime = time.clock()
if keyboard.Message == WM_KEYDOWN:
transition = "KEYDOWN"
elif keyboard.Message == WM_KEYUP:
transition = "KEYUP"
else:
transition = " %d" % keyboard.Message
info = "%f " % mTime
info += "RawI %s: %s(%d), " % (
transition,
VK_KEYS[keyboard.VKey],
keyboard.VKey
)
if GetAsyncKeyState(162): #LCtrl
info += "LCtrl "
if GetAsyncKeyState(163): #RCtrl
info += "RCtrl "
info += "Scan: %d, " % keyboard.MakeCode
info += "Extra: %d, " % keyboard.ExtraInformation
info += "Device: %r, " % pRawInput.contents.header.hDevice
#print "Flags:", keyboard.Flags
rawKeyboardData = RawKeyboardData(
keyboard.VKey,
pRawInput.contents.header.hDevice,
keyboard.Message in (WM_KEYDOWN, WM_SYSKEYDOWN),
time.clock()
)
self.buf.append(rawKeyboardData)
eg.eventThread.Call(eg.Print, info)
if GET_RAWINPUT_CODE_WPARAM(wParam) == RIM_INPUT:
return DefWindowProc(hwnd, mesg, wParam, lParam)
return 0
def OnRawInput(self, hwnd, mesg, wParam, lParam):
pcbSize = UINT()
GetRawInputData(
lParam, RID_INPUT, None, byref(pcbSize), sizeof(RAWINPUTHEADER)
)
buf = create_string_buffer(pcbSize.value)
GetRawInputData(
lParam, RID_INPUT, buf, byref(pcbSize), sizeof(RAWINPUTHEADER)
)
pRawInput = cast(buf, POINTER(RAWINPUT))
keyboard = pRawInput.contents.data.keyboard
if keyboard.VKey == 0xFF:
eg.eventThread.Call(eg.Print, "0xFF")
return 0
#print "Scan code:", keyboard.MakeCode
info = ""
mTime = time.clock()
if keyboard.Message == WM_KEYDOWN:
transition = "KEYDOWN"
elif keyboard.Message == WM_KEYUP:
transition = "KEYUP"
else:
transition = " %d" % keyboard.Message
info = "%f " % mTime
info += "RawI %s: %s(%d), " % (
transition,
VK_KEYS[keyboard.VKey],
keyboard.VKey
)
if GetAsyncKeyState(162): #LCtrl
info += "LCtrl "
if GetAsyncKeyState(163): #RCtrl
info += "RCtrl "
info += "Scan: %d, " % keyboard.MakeCode
info += "Extra: %d, " % keyboard.ExtraInformation
info += "Device: %r, " % pRawInput.contents.header.hDevice
#print "Flags:", keyboard.Flags
rawKeyboardData = RawKeyboardData(
keyboard.VKey,
pRawInput.contents.header.hDevice,
keyboard.Message in (WM_KEYDOWN, WM_SYSKEYDOWN),
time.clock()
)
self.buf.append(rawKeyboardData)
eg.eventThread.Call(eg.Print, info)
if GET_RAWINPUT_CODE_WPARAM(wParam) == RIM_INPUT:
return DefWindowProc(hwnd, mesg, wParam, lParam)
return 0
def _ReadAllAvailable(self):
"""
Get all bytes currently in the drivers receive buffer.
Only used internally.
"""
sleep(0.001)
errors = DWORD()
self._ClearCommError(self.hFile, byref(errors), byref(self.comstat))
numBytes = self.comstat.cbInQue
if numBytes == 0:
return ""
# ResetEvent(self.osReader.hEvent)
lpBuffer = create_string_buffer(numBytes)
numberOfBytesRead = DWORD()
if not self._ReadFile(self.hFile, lpBuffer, numBytes, byref(numberOfBytesRead), byref(self.osReader)):
WaitForSingleObject(self.osReader.hEvent, INFINITE)
return lpBuffer.raw[: numberOfBytesRead.value]
def _ReadAllAvailable(self):
"""
Get all bytes currently in the drivers receive buffer.
Only used internally.
"""
sleep(0.001)
errors = DWORD()
self._ClearCommError(self.hFile, byref(errors), byref(self.comstat))
numBytes = self.comstat.cbInQue
if numBytes == 0:
return ''
#ResetEvent(self.osReader.hEvent)
lpBuffer = create_string_buffer(numBytes)
numberOfBytesRead = DWORD()
if not self._ReadFile(self.hFile, lpBuffer, numBytes,
byref(numberOfBytesRead), byref(self.osReader)):
WaitForSingleObject(self.osReader.hEvent, INFINITE)
return lpBuffer.raw[:numberOfBytesRead.value]
