Basic Acquisition

The way to set a basic acquisition receive application is as follows:

• An ADC module must be obtained using the mxfDeviceModuleGet() function or with the mxfDeviceModuleAllGet() function.
• The acquisition buffer must be allocated using the mxfRxAcqBufferAlloc() function.
• The acquisition mode can be set using mxfRxAcqModeSet() function.
  
  Two modes of acquisition are defined:
  
  

  Condition	Description
  MXF_RXACQ_MODE_LINEAR	In this mode the acquisition stops when the buffer is full.
  MXF_RXACQ_MODE_CIRCULAR	In this mode the acquisition buffer is circular and never stops receiving. Whenever the acquisition queue becomes full, the acquisition process will discard newest received record.

• The acquisition must be started using the mxfRxAcqStart() function.
• A read loop can be implemented using the mxfFlexAnalogRxAcqRead() function. The mxfFlexAnalogNextDataRecordPtrGet() function needs to be used to navigate in the receive buffer.

The MXF_FLEXANALOG_DATAREC structure must be used for reading ADC messages with acquisition service.

Example

The example below shows how to implement an ADC basic receive acquisition application.

flexadc.c