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====== APPENDIX D: Building ADSP-2156x Project ======
To build the ADSP-2156x project from the SS Plus installer path: “C:\Analog Devices\SigmaStudioPlus-Rel1.2.0\Target\Examples\Demo\ADSP-2156x\ADSP-21569\SS_App_Core1”, following steps need to be followed.
  * Import the project into CCES
  * Open “Properties” by right clicking on the project and navigate to “C/C++ Build -> Settings”
  * Remove the macro “ADSP_21569_SOM” from the CrossCore Sharc C/C++ Compiler/Preprocessor Menu as shown in Figure 82.        
   {{:resources:tools-software:a2bv2:quickstartguide:removal_of_macro.png?300|}}

**Figure 82:** Removal of Macro

  * To provide BCLK and Frame Sync to A2B transceiver, navigate to “system.svc” in the project and open “Signal Routing Unit”.
  * Under “DAI0 Pin Buffer” following changes need to be made.
    * **DAI0_PB03_I** which is routed to PCG0_CRS_CLKC_O by default should be routed removed and **PCG0_CLKA_O should be added**. Final configuration is shown in Figure 83.  
{{:resources:tools-software:a2bv2:quickstartguide:dai0_pb03_i_configuration.png?400|}}

**Figure 83:** DAI0_PB03_I Configuration

    * **DAI0_PB04_I** which is routed to PCG0_CRS_FSC_O by default should be routed removed and **PCG0_FSA_O should be added**. Final configuration is shown in 
{{:resources:tools-software:a2bv2:quickstartguide:dai0_pb04_i_configuration.png?400|}}

**Figure 84:** DAI0_PB04_I Configuration

  * In the file “C:\Analog Devices\CrossCore Embedded Studio 2.10.0\SHARC\include\drivers\sport\ adi_sport_2156x.h”, the value of **ADI_SPORT_BLOCKING_MODE** must be set to “1u” as shown in Figure 85. 
{{:resources:tools-software:a2bv2:quickstartguide:sport_blocking_mode_macro_value_update.png?400|}}

**Figure 85:** SPORT Blocking Mode Macro Value Update

  * Once these changes are made, build the project and copy the generated .dxe file to <<A2B plugin for SigmaStudio+ installation path>>\Target\Utility\LDR folder.
  * Use “LDR_gen.bat” script available in <<A2B plugin for SigmaStudio+ installation path>>\Target\Utility folder to generate the LDR and “Flash_LDR.bat” to flash the updated LDR to ADSP-2156x eval board.
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