Analog Devices EVAL-ADAU1861 User Manual page 7

User Guide
SETTING UP COMMUNICATION IN SOFTWARE
If FastDSP is required in the project, a schematic must be created
with the desired path for the ADAU1861
1. Click FastDSP in the left navigation panel.
2. In the left pane of the Lark FastDSP Schematic window, click
an arrow to expand a folder.
3. Select and drag an icon into the schematic window, for exam-
ple, the ADC icon within the IO folder (see
this example, AIN1 and ASRCI0 are being routed to FastDSP
Output 0 and Output 1 separately.
4. To download the correct parameter generated from the sche-
matic, set fs to be the same as the FastDSP source,
FDSP_RATE_SOURCE, which is set in the FastDSP tab in
the Lark Register Control window.
5. Click Download to Target to write the parameter and command
to the FastDSP memory. After the download finishes, FastDSP
is enabled and runs automatically.
If an equalizer is required in the project, a configuration of the filters
must be set for the ADAU1861 as follows:
analog.com
as follows:
Figure 6). In
Figure 6. FastDSP Schematic Configuration
EVAL-ADAU1861
1. Select EQ in the navigation panel.
2. Select the filter numbers and relative filter parameters.
3. Set fsthe same as the equalizer source, EQ_ROUTE, which is
set in the EQ tab in the Lark RegisterControl window.
4. Click Download to Target to write the parameter and command
to the equalizer memory. After the download finishes, the equal-
izer is enabled and runs automatically.
If Tensilica HiFi 3z DSP (TDSP) is used, a hex file for the TDSP
program code can be uploaded by using
1. Select TDSP Programming in the navigation panel.
2. Select the hex file to upload.
3. Click TDSP Program.
4. After uploading is finished, type in the Reset Address for the
program, and then click TDSP Reset. The TDSP then runs
automatically with the uploaded program.
For full details on the operation of Lark Studio, click Getting Start
Guide within the Help menu of the Lark Studio GUI.
Lark Studio as follows:
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