b38445eaa0
Introduce an API mirroring the CMSIS-DSP's basicmath. If CMSIS_DSP is enabled, then it will by default be used as a backend. Developers may opt into a custom backend by setting CONFIG_DSP_BACKEND_CMSIS=n. If done, the application must provide `zdsp_backend/dsp.h` and optionally implement the functions in its own .c files. Signed-off-by: Yuval Peress <peress@google.com>
26 lines
765 B
Text
26 lines
765 B
Text
# Copyright (c) 2022 Google LLC
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# SPDX-License-Identifier: Apache-2.0
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config DSP_BACKEND_HAS_STATIC
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bool
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choice DSP_BACKEND
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prompt "DSP library backend selection"
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default DSP_BACKEND_CMSIS if CMSIS_DSP
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default DSP_BACKEND_CUSTOM
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config DSP_BACKEND_CMSIS
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bool "Use the CMSIS-DSP library as the math backend"
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depends on CMSIS_DSP
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select DSP_BACKEND_HAS_STATIC
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help
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Implement the various zephyr DSP functions using the CMSIS-DSP library. This feature
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requires the CMSIS module to be selected.
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config DSP_BACKEND_CUSTOM
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bool "Do not use any Zephyr backends for DSP"
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help
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Rely on the application to provide a custom DSP backend. The implementation should be
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added to the 'zdsp' build target by the application or one of its modules.
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endchoice
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