Analog Devices VisualDSP++ 5.0 Service Manual page 303

Table 6-3. DMA Commands (Cont'd)
Command ID
ADI_DMA_CMD_SET_LOOPBACK
ADI_DMA_CMD_SET_STREAMING
ADI_DMA_CMD_SET_DATAFLOW
ADI_DMA_CMD_FLUSH
ADI_DMA_CMD_GET_TRANSFER_STATUS
ADI_DMA_CMD_SET_TC
ADI_DMA_CMD_GET_TC
VisualDSP++ 5.0 Device Drivers and System
Services Manual for Blackfin Processors
Value
TRUE/FALSE
TRUE/FALSE
TRUE/FALSE
n/a
u32 *
ADI_DMA_TC_SET *
ADI_DMA_TC_GET *
DMA Manager
Description
Enables/disables loop-
back.
Enables/disables
streaming.
Enables/disables data-
flow.
Flushes all buffers and
descriptors on a chan-
nel.
Provides the transfer
status, TRUE - in
progress, FALSE - not
in progress.
Sets a traffic control
(period) parameter.
Senses a traffic con-
trol (count) parame-
ter.
6-63