Пример #1
0
    def array_put_callback(self, value, req_type, count, callback, *user_args):
        """Write a value or array of values to a channel and execute the user
        supplied callback after the put has completed.
        Parameters:
            value: data to be written. For multiple values use a list or tuple.
            req_type: database request type. Defaults to be the native data type.
            count: number of data values to write, Defaults to be the native count.
            callback: function called when the write is completed.
            *user_args: user provided arguments that are passed to callback when
            it is invoked.

        >>> def putCB(epicsArgs, userArgs):
        ...     print ca.name(epicsArgs['chid']), 'put completed'
        >>> chan = CaChannel('catest')
        >>> chan.searchw()
        >>> chan.array_put_callback(145, None, None, putCB)
        >>> status = chan.pend_event(1)
        catest put completed
        >>> chan = CaChannel('cabo')
        >>> chan.searchw()
        >>> chan.array_put_callback('Busy', ca.DBR_STRING, None, putCB)
        >>> status = chan.pend_event(1)
        cabo put completed
        >>> chan = CaChannel('cawave')
        >>> chan.searchw()
        >>> chan.array_put_callback([1,2,3], None, None, putCB)
        >>> status = chan.pend_event(1)
        cawave put completed
        >>> chan = CaChannel('cawavec')
        >>> chan.searchw()
        >>> chan.array_put_callback('123', None, None, putCB)
        >>> status = chan.pend_event(1)
        cawavec put completed
        """
        if req_type is None: req_type = -1
        val = self._setup_put(value, req_type, count)
        self._callbacks['putCB']=(callback, user_args)
        try:
            ca.put(self.__chid, val, None, self._put_callback, req_type)
        except ca.error,msg:
            raise CaChannelException,msg
Пример #2
0
    def array_put_callback(self, value, req_type, count, callback, *user_args):
        """Write a value or array of values to a channel and execute the user
        supplied callback after the put has completed.
        Parameters:
            value: data to be written. For multiple values use a list or tuple.
            req_type: database request type. Defaults to be the native data type.
            count: number of data values to write, Defaults to be the native count.
            callback: function called when the write is completed.
            *user_args: user provided arguments that are passed to callback when
            it is invoked.

        >>> def putCB(epicsArgs, userArgs):
        ...     print ca.name(epicsArgs['chid']), 'put completed'
        >>> chan = CaChannel('catest')
        >>> chan.searchw()
        >>> chan.array_put_callback(145, None, None, putCB)
        >>> status = chan.pend_event(1)
        catest put completed
        >>> chan = CaChannel('cabo')
        >>> chan.searchw()
        >>> chan.array_put_callback('Busy', ca.DBR_STRING, None, putCB)
        >>> status = chan.pend_event(1)
        cabo put completed
        >>> chan = CaChannel('cawave')
        >>> chan.searchw()
        >>> chan.array_put_callback([1,2,3], None, None, putCB)
        >>> status = chan.pend_event(1)
        cawave put completed
        >>> chan = CaChannel('cawavec')
        >>> chan.searchw()
        >>> chan.array_put_callback('123', None, None, putCB)
        >>> status = chan.pend_event(1)
        cawavec put completed
        """
        if req_type is None: req_type = -1
        val = self._setup_put(value, req_type, count)
        self._callbacks['putCB'] = (callback, user_args)
        try:
            ca.put(self.__chid, val, None, self._put_callback, req_type)
        except ca.error, msg:
            raise CaChannelException, msg
Пример #3
0
    def putw(self, value, req_type=None):
        """Write a value or array of values to a channel
        Parameters:
            value: data to be written. For multiple values use a list or tuple
            req_type: database request type. Defaults to be the native data type.

        >>> chan = CaChannel('catest')
        >>> chan.searchw()
        >>> chan.putw(145)
        >>> chan.getw()
        145.0
        >>> chan = CaChannel('cabo')
        >>> chan.searchw()
        >>> chan.putw('Busy', ca.DBR_STRING)
        >>> chan.getw()
        1
        >>> chan.getw(ca.DBR_STRING)
        'Busy'
        >>> chan = CaChannel('cawave')
        >>> chan.searchw()
        >>> chan.putw([1,2,3])
        >>> chan.getw(req_type=ca.DBR_LONG,count=4)
        [1, 2, 3, 0]
        >>> chan = CaChannel('cawavec')
        >>> chan.searchw()
        >>> chan.putw('123')
        >>> chan.getw(count=4)
        [49, 50, 51, 0]
        >>> chan = CaChannel('cawaves')
        >>> chan.searchw()
        >>> chan.putw(['string 1','string 2'])
        >>> chan.getw()
        ['string 1', 'string 2', '']
        """
        if req_type is None: req_type = -1
        val = self._setup_put(value, req_type)
        try:
            ca.put(self.__chid, val, None, None, req_type)
        except ca.error,msg:
            raise CaChannelException,msg
Пример #4
0
    def putw(self, value, req_type=None):
        """Write a value or array of values to a channel
        Parameters:
            value: data to be written. For multiple values use a list or tuple
            req_type: database request type. Defaults to be the native data type.

        >>> chan = CaChannel('catest')
        >>> chan.searchw()
        >>> chan.putw(145)
        >>> chan.getw()
        145.0
        >>> chan = CaChannel('cabo')
        >>> chan.searchw()
        >>> chan.putw('Busy', ca.DBR_STRING)
        >>> chan.getw()
        1
        >>> chan.getw(ca.DBR_STRING)
        'Busy'
        >>> chan = CaChannel('cawave')
        >>> chan.searchw()
        >>> chan.putw([1,2,3])
        >>> chan.getw(req_type=ca.DBR_LONG,count=4)
        [1, 2, 3, 0]
        >>> chan = CaChannel('cawavec')
        >>> chan.searchw()
        >>> chan.putw('123')
        >>> chan.getw(count=4)
        [49, 50, 51, 0]
        >>> chan = CaChannel('cawaves')
        >>> chan.searchw()
        >>> chan.putw(['string 1','string 2'])
        >>> chan.getw()
        ['string 1', 'string 2', '']
        """
        if req_type is None: req_type = -1
        val = self._setup_put(value, req_type)
        try:
            ca.put(self.__chid, val, None, None, req_type)
        except ca.error, msg:
            raise CaChannelException, msg
Пример #5
0
    def array_put(self, value, req_type=None, count=None):
        """Write a value or array of values to a channel
        Parameters:
            value: data to be written. For multiple values use a list or tuple
            req_type: database request type. Defaults to be the native data type.
            count: number of data values to write, Defaults to be the native count.

        >>> chan = CaChannel('catest')
        >>> chan.searchw()
        >>> chan.array_put(123)
        >>> chan.pend_io(1)
        >>> chan.getw()
        123.0
        >>> chan = CaChannel('cabo')
        >>> chan.searchw()
        >>> chan.array_put('Busy', ca.DBR_STRING)
        >>> chan.pend_io(1)
        >>> chan.getw()
        1
        >>> chan = CaChannel('cawave')
        >>> chan.searchw()
        >>> chan.array_put([1,2,3])
        >>> chan.pend_io(1)
        >>> chan.getw()
        [1.0, 2.0, 3.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
        >>> chan = CaChannel('cawavec')
        >>> chan.searchw()
        >>> chan.array_put('1234',count=3)
        >>> chan.pend_io(1)
        >>> chan.getw(count=4)
        [49, 50, 51, 0]
        """
        if req_type is None: req_type = -1
        val = self._setup_put(value, req_type, count)
        try:
            ca.put(self.__chid, val, None, None, req_type)
        except ca.error,msg:
            raise CaChannelException,msg
Пример #6
0
    def array_put(self, value, req_type=None, count=None):
        """Write a value or array of values to a channel
        Parameters:
            value: data to be written. For multiple values use a list or tuple
            req_type: database request type. Defaults to be the native data type.
            count: number of data values to write, Defaults to be the native count.

        >>> chan = CaChannel('catest')
        >>> chan.searchw()
        >>> chan.array_put(123)
        >>> chan.pend_io(1)
        >>> chan.getw()
        123.0
        >>> chan = CaChannel('cabo')
        >>> chan.searchw()
        >>> chan.array_put('Busy', ca.DBR_STRING)
        >>> chan.pend_io(1)
        >>> chan.getw()
        1
        >>> chan = CaChannel('cawave')
        >>> chan.searchw()
        >>> chan.array_put([1,2,3])
        >>> chan.pend_io(1)
        >>> chan.getw()
        [1.0, 2.0, 3.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
        >>> chan = CaChannel('cawavec')
        >>> chan.searchw()
        >>> chan.array_put('1234',count=3)
        >>> chan.pend_io(1)
        >>> chan.getw(count=4)
        [49, 50, 51, 0]
        """
        if req_type is None: req_type = -1
        val = self._setup_put(value, req_type, count)
        try:
            ca.put(self.__chid, val, None, None, req_type)
        except ca.error, msg:
            raise CaChannelException, msg