#include <daqc.h>
Public Attributes | |
| char * | name |
| enum chantype | type |
| double | rate |
| daq_data_t | data_type |
| int | offset |
| int | status |
| status or data length. | |
| signal_conv_t | s |
The channel request entry contains the information about the requested channels and current status of the request. A list of channels is prepared by the high level interface and updated as part of the channel NDS2 protocol.
| char* chan_req_t::name |
Null terminated channel name string
| enum chantype chan_req_t::type |
Requested channel type.
| double chan_req_t::rate |
Requested rate. If the rate is not specified, rate is set to zero. `
Channel data type. This field is filled by the NDS2 server or by the user either by hand or from the daq_request_channel_from_list. Data types used by the NDS1 server are:
Offset of data into the buffer. `
status or data length.
Status of data request for this channel. If data has been read sucessfully, status is the data length. If an error occurred, the status code is negative and indicates the status condition.
Linear transform for signal unit scaling.
1.5.5