gcs2.py 文件源码

def gcsCommand(self, commandAsString):
        self._lib.PI_GcsCommandset.argtypes= [c_int, c_char_p]
        self._lib.PI_GcsGetAnswer.argtypes= [c_int, c_char_p, c_int]
        self._convertErrorToException(
            self._lib.PI_GcsCommandset(self._id, commandAsString))
        self._trickToCheckForSyntaxError()
        retSize= c_int()
        res= ''
        self._convertErrorToException(
            self._lib.PI_GcsGetAnswerSize(self._id, ctypes.byref(retSize)))
        while retSize.value != 0:
            buf= ctypes.create_string_buffer('\000', retSize.value)
            self._convertErrorToException(
                self._lib.PI_GcsGetAnswer(self._id, buf, retSize.value))
            res+= buf.value
            self._convertErrorToException(
                self._lib.PI_GcsGetAnswerSize(self._id, ctypes.byref(retSize)))
        return res