Help¶

This option enables the Transform Functions, which support the following transformations:

Real Fast Fourier Transform (RFFT)
Complex Fast Fourier Transform (CFFT)
Type IV Discrete Cosine Transform (DCT4)

Direct dependencies¶

CMSIS_DSP

(Includes any dependencies from ifs and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Symbols selected by this symbol¶

CMSIS_DSP_TABLES

Symbols implied by this symbol¶

CMSIS_DSP_TABLES_ALL_FFT

Kconfig definition¶

At <Zephyr>/modules/Kconfig.cmsis_dsp:140

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:10 → <Zephyr>/modules/Kconfig:10 → <Zephyr>/modules/Kconfig.cmsis:29

Menu path: (Top) → Modules → CMSIS-DSP Library Support

config CMSIS_DSP_TRANSFORM
    bool "Transform Functions"
    select CMSIS_DSP_TABLES
    imply CMSIS_DSP_TABLES_ALL_FFT
    depends on CMSIS_DSP
    help
      This option enables the Transform Functions, which support the
      following transformations:

      * Real Fast Fourier Transform (RFFT)
      * Complex Fast Fourier Transform (CFFT)
      * Type IV Discrete Cosine Transform (DCT4)

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)