Figures
Figure 1. i.MX RT SOM (base board).......................................................................................................................................... 12
Figure 2. Voice shield (top board)................................................................................................................................................12
Figure 3. High-level software architecture................................................................................................................................... 13
Figure 4. Audio application pipeline.............................................................................................................................................15
Figure 5. Shell prompt interface...................................................................................................................................................16
Figure 6. User LED on the SLN-LOCAL2-IOT kit........................................................................................................................ 17
Figure 7. Creating MCUXpresso IDE workspace.........................................................................................................................19
Figure 8. MCUXpresso SDK build for SLN-LOCAL2-IOT............................................................................................................ 20
Figure 9. MCUXpresso SDK import confirmation window........................................................................................................... 20
Figure 10. SLN-LOCAL2-IOT SDK installation in MCUXpresso IDE........................................................................................... 21
Figure 11. MCUXpresso Quickstart Panel Import SDK Example(s)............................................................................................ 21
Figure 12. MCUXpresso SDK selection.......................................................................................................................................22
Figure 13. MCUXpresso project import selection........................................................................................................................ 23
Figure 14. MCUXpresso Project Explorer....................................................................................................................................23
Figure 15. Boot security flowchart................................................................................................................................................24
Figure 16. Quickstart panel..........................................................................................................................................................25
Figure 17. Console window showing successful compilation...................................................................................................... 25
Figure 18. Disabling image verification in bootstrap.................................................................................................................... 26
Figure 19. Build option in quickstart panel...................................................................................................................................26
Figure 20. Disabling image verification in bootloader.................................................................................................................. 27
Figure 21. Build option in quickstart panel...................................................................................................................................27
Figure 22. Debug window for applications...................................................................................................................................28
Figure 23. Probes discovered window.........................................................................................................................................29
Figure 24. Downloading application image to flash..................................................................................................................... 29
Figure 25. Opening Flash GUI Tool for programming audio playback binaries...........................................................................30
Figure 26. Probes discovered window for programming audio playback binaries.......................................................................30
Figure 27. Opening GUI Flash Tool for audio playback binaries................................................................................................. 31
Figure 28. Selecting audio playback binary files..........................................................................................................................31
Figure 29. Updating the “OK” audio playback in English binary address.....................................................................................32
Figure 30. Programming the audio playback binaries..................................................................................................................32
Figure 31. Audio “OK” in English binary programming completed...............................................................................................32
Figure 32. Opening Flash GUI Tool for Application/CA certificates............................................................................................. 33
Figure 33. Probes discovered window for Signed Application/CA certificates.............................................................................33
Figure 34. Opening Flash GUI Tool for Application/CA certificates............................................................................................. 34
Figure 35. Selecting the Application/CA certificate binaries........................................................................................................ 34
Figure 36. Updating the Application/CA certificate binaries address...........................................................................................35
Figure 37. Programming the Application/CA certificate binaries..................................................................................................35
Figure 38. Application/CA Certificate programming complete..................................................................................................... 35
Figure 39. Opening Flash GUI Tool for FICA...............................................................................................................................36
Figure 40. Probes discovered window for FICA table programming............................................................................................36
Figure 41. GUI Flash Tool............................................................................................................................................................37
Figure 42. Selecting the FICA table binary.................................................................................................................................. 37
NXP Semiconductors
SLN-LOCAL2-IOT Developer’s Guide, Rev. 0, 19 April 2021
User's Guide
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