CMSIS-DSP  Version 1.8.0
CMSIS DSP Software Library
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Deprecated List
Global __SIMD32 (addr)
Global arm_cfft_radix2_f32 (const arm_cfft_radix2_instance_f32 *S, float32_t *pSrc)
Do not use this function. It has been superseded by arm_cfft_f32 and will be removed in the future
Parameters
[in]Spoints to an instance of the floating-point Radix-2 CFFT/CIFFT structure
[in,out]pSrcpoints to the complex data buffer of size 2*fftLen. Processing occurs in-place
Returns
none
Global arm_cfft_radix2_init_f32 (arm_cfft_radix2_instance_f32 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
Do not use this function. It has been superseded by arm_cfft_f32 and will be removed in the future.
Parameters
[in,out]Spoints to an instance of the floating-point CFFT/CIFFT structure
[in]fftLenlength of the FFT
[in]ifftFlagflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status
Global arm_cfft_radix2_init_q15 (arm_cfft_radix2_instance_q15 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
Do not use this function. It has been superseded by arm_cfft_q15 and will be removed
Parameters
[in,out]Spoints to an instance of the Q15 CFFT/CIFFT structure.
[in]fftLenlength of the FFT.
[in]ifftFlagflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status
Global arm_cfft_radix2_init_q31 (arm_cfft_radix2_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
Do not use this function. It has been superseded by arm_cfft_q31 and will be removed in the future.
Parameters
[in,out]Spoints to an instance of the Q31 CFFT/CIFFT structure
[in]fftLenlength of the FFT
[in]ifftFlagflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status
Global arm_cfft_radix2_q15 (const arm_cfft_radix2_instance_q15 *S, q15_t *pSrc)
Do not use this function. It has been superseded by arm_cfft_q15 and will be removed in the future.
Parameters
[in]Spoints to an instance of the fixed-point CFFT/CIFFT structure
[in,out]pSrcpoints to the complex data buffer of size 2*fftLen. Processing occurs in-place
Returns
none
Global arm_cfft_radix2_q31 (const arm_cfft_radix2_instance_q31 *S, q31_t *pSrc)
Do not use this function. It has been superseded by arm_cfft_q31 and will be removed in the future.
Parameters
[in]Spoints to an instance of the fixed-point CFFT/CIFFT structure
[in,out]pSrcpoints to the complex data buffer of size 2*fftLen. Processing occurs in-place
Returns
none
Global arm_cfft_radix4_f32 (const arm_cfft_radix4_instance_f32 *S, float32_t *pSrc)
Do not use this function. It has been superseded by arm_cfft_f32 and will be removed in the future.
Parameters
[in]Spoints to an instance of the floating-point Radix-4 CFFT/CIFFT structure
[in,out]pSrcpoints to the complex data buffer of size 2*fftLen. Processing occurs in-place
Returns
none
Global arm_cfft_radix4_init_f32 (arm_cfft_radix4_instance_f32 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
Do not use this function. It has been superceded by arm_cfft_f32 and will be removed in the future.
Parameters
[in,out]Spoints to an instance of the floating-point CFFT/CIFFT structure
[in]fftLenlength of the FFT
[in]ifftFlagflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status
Global arm_cfft_radix4_init_q15 (arm_cfft_radix4_instance_q15 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
Do not use this function. It has been superseded by arm_cfft_q15 and will be removed in the future.
Parameters
[in,out]Spoints to an instance of the Q15 CFFT/CIFFT structure
[in]fftLenlength of the FFT
[in]ifftFlagflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status
Global arm_cfft_radix4_init_q31 (arm_cfft_radix4_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
Do not use this function. It has been superseded by arm_cfft_q31 and will be removed in the future.
Parameters
[in,out]Spoints to an instance of the Q31 CFFT/CIFFT structure.
[in]fftLenlength of the FFT.
[in]ifftFlagflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status
Global arm_cfft_radix4_q15 (const arm_cfft_radix4_instance_q15 *S, q15_t *pSrc)
Do not use this function. It has been superseded by arm_cfft_q15 and will be removed in the future.
Parameters
[in]Spoints to an instance of the Q15 CFFT/CIFFT structure.
[in,out]pSrcpoints to the complex data buffer. Processing occurs in-place.
Returns
none
Global arm_cfft_radix4_q31 (const arm_cfft_radix4_instance_q31 *S, q31_t *pSrc)
Do not use this function. It has been superseded by arm_cfft_q31 and will be removed in the future.
Parameters
[in]Spoints to an instance of the Q31 CFFT/CIFFT structure
[in,out]pSrcpoints to the complex data buffer of size 2*fftLen. Processing occurs in-place
Returns
none
Global arm_rfft_f32 (const arm_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
Do not use this function. It has been superceded by arm_rfft_fast_f32 and will be removed in the future.
Parameters
[in]Spoints to an instance of the floating-point RFFT/RIFFT structure
[in]pSrcpoints to the input buffer
[out]pDstpoints to the output buffer
Returns
none
Global arm_rfft_init_f32 (arm_rfft_instance_f32 *S, arm_cfft_radix4_instance_f32 *S_CFFT, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
Do not use this function. It has been superceded by arm_rfft_fast_init_f32 and will be removed in the future.
Parameters
[in,out]Spoints to an instance of the floating-point RFFT/RIFFT structure
[in,out]S_CFFTpoints to an instance of the floating-point CFFT/CIFFT structure
[in]fftLenReallength of the FFT.
[in]ifftFlagRflag that selects transform direction
  • value = 0: forward transform
  • value = 1: inverse transform
[in]bitReverseFlagflag that enables / disables bit reversal of output
  • value = 0: disables bit reversal of output
  • value = 1: enables bit reversal of output
Returns
execution status