| # Copyright (c) 2022 Google LLC |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig DSP |
| bool "DSP subsystem" |
| help |
| Include the DSP (Digital Signal Processing) subsystem as a part of the |
| Zephyr build. This enables applications to include and call into the |
| <zephyr/dsp/dsp.h> header. |
| |
| if DSP |
| |
| config DSP_BACKEND_HAS_STATIC |
| bool |
| |
| config DSP_BACKEND_HAS_AGU |
| bool |
| |
| config DSP_BACKEND_HAS_XDATA_SECTION |
| bool |
| |
| choice DSP_BACKEND |
| prompt "DSP library backend selection" |
| default DSP_BACKEND_CMSIS if CMSIS_DSP |
| default DSP_BACKEND_ARCMWDT if ARC && "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "arcmwdt" |
| default DSP_BACKEND_CUSTOM |
| |
| config DSP_BACKEND_CMSIS |
| bool "Use the CMSIS-DSP library as the math backend" |
| depends on CMSIS_DSP |
| select DSP_BACKEND_HAS_STATIC |
| help |
| Implement the various zephyr DSP functions using the CMSIS-DSP library. This feature |
| requires the CMSIS module to be selected. |
| |
| config DSP_BACKEND_CUSTOM |
| bool "Do not use any Zephyr backends for DSP" |
| help |
| Rely on the application to provide a custom DSP backend. The implementation should be |
| added to the 'zdsp' build target by the application or one of its modules. |
| |
| config DSP_BACKEND_ARCMWDT |
| bool "Use the mwdt library as the math backend" |
| depends on ARCMWDT_LIBC |
| depends on CMSIS_DSP |
| select DSP_BACKEND_HAS_STATIC |
| select DSP_BACKEND_HAS_AGU |
| select DSP_BACKEND_HAS_XDATA_SECTION |
| help |
| Implement the various zephyr DSP functions using the MWDT-DSP library. This feature |
| requires the MetaWare toolchain and CMSIS module to be selected. |
| |
| endchoice |
| |
| endif # DSP |
