| Operators |
write_io_channel — Write a value to the specified I/O channels.
write_io_channel( : : IOChannelHandle, Value : Status)
write_io_channel writes values to the specified transmission channels. The channels are passed in IOChannelHandle and can be opened and configured by open_io_channel, the values are passed to Value. The parameter Status returns for each written value in Value a quality message. The value 0 indicates that the corresponding value of Value could be written. Any other status value depends on the interface. Please refer to the interface-specific documentation in the directory 'doc/html/reference/io' for further explanation.
Handles of the opened I/O channels.
Write values.
Status of written values.
If the parameters are valid, the operator write_io_channel returns the value 2 (H_MSG_TRUE). If necessary an exception is raised. In this case, an extended error information may be set and can be queried with the operator get_extended_error_info.
open_io_channel, set_io_channel_param
read_io_channel, open_io_channel, query_io_device, set_io_channel_param
Foundation
| Operators |