From 9f95ff5b6ba01db09552b84a0ab79607060a2666 Mon Sep 17 00:00:00 2001 From: Ali Labbene Date: Wed, 11 Dec 2019 08:59:21 +0100 Subject: Official ARM version: v5.4.0 Add CMSIS V5.4.0, please refer to index.html available under \docs folder. Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure used in existing projects, and thus avoid projects mass update Note: the following components have been removed from ARM original delivery (as not used in ST packages) - CMSIS_EW2018.pdf - .gitattributes - .gitignore - \Device - \CMSIS - \CoreValidation - \DAP - \Documentation - \DoxyGen - \Driver - \Pack - \RTOS\CMSIS_RTOS_Tutorial.pdf - \RTOS\RTX - \RTOS\Template - \RTOS2\RTX - \Utilities - All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2 Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3 --- docs/DSP/html/arm__cfft__radix4__q15_8c.html | 292 +++++++++++++++++++++++++++ 1 file changed, 292 insertions(+) create mode 100644 docs/DSP/html/arm__cfft__radix4__q15_8c.html (limited to 'docs/DSP/html/arm__cfft__radix4__q15_8c.html') diff --git a/docs/DSP/html/arm__cfft__radix4__q15_8c.html b/docs/DSP/html/arm__cfft__radix4__q15_8c.html new file mode 100644 index 0000000..19318a5 --- /dev/null +++ b/docs/DSP/html/arm__cfft__radix4__q15_8c.html @@ -0,0 +1,292 @@ + + + + + +arm_cfft_radix4_q15.c File Reference +CMSIS-DSP: arm_cfft_radix4_q15.c File Reference + + + + + + + + + + + + + + +
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CMSIS-DSP +  Version 1.5.2 +
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CMSIS DSP Software Library
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arm_cfft_radix4_q15.c File Reference
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void arm_radix4_butterfly_q15 (q15_t *pSrc16, uint32_t fftLen, q15_t *pCoef16, uint32_t twidCoefModifier)
 Core function for the Q15 CFFT butterfly process. More...
 
void arm_radix4_butterfly_inverse_q15 (q15_t *pSrc16, uint32_t fftLen, q15_t *pCoef16, uint32_t twidCoefModifier)
 Core function for the Q15 CIFFT butterfly process. More...
 
void arm_bitreversal_q15 (q15_t *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab)
 
void arm_cfft_radix4_q15 (const arm_cfft_radix4_instance_q15 *S, q15_t *pSrc)
 Processing function for the Q15 CFFT/CIFFT. More...
 
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Function Documentation

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void arm_bitreversal_q15 (q15_t * pSrc,
uint32_t fftLen,
uint16_t bitRevFactor,
uint16_t * pBitRevTab 
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Referenced by arm_cfft_radix4_q15().

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void arm_radix4_butterfly_inverse_q15 (q15_t * pSrc16,
uint32_t fftLen,
q15_t * pCoef16,
uint32_t twidCoefModifier 
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Parameters
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[in,out]*pSrc16points to the in-place buffer of Q15 data type.
[in]fftLenlength of the FFT.
[in]*pCoef16points to twiddle coefficient buffer.
[in]twidCoefModifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
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Returns
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References __QADD16(), __QASX(), __QSAX(), __QSUB16(), __SHADD16(), __SHASX(), __SHSAX(), __SHSUB16(), __SIMD32, __SMUADX(), __SMUSD(), and _SIMD32_OFFSET.

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Referenced by arm_cfft_q15(), arm_cfft_radix4_q15(), and arm_cfft_radix4by2_inverse_q15().

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void arm_radix4_butterfly_q15 (q15_t * pSrc16,
uint32_t fftLen,
q15_t * pCoef16,
uint32_t twidCoefModifier 
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end of ComplexFFT group

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Parameters
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[in,out]*pSrc16points to the in-place buffer of Q15 data type.
[in]fftLenlength of the FFT.
[in]*pCoef16points to twiddle coefficient buffer.
[in]twidCoefModifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
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Returns
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References __QADD16(), __QASX(), __QSAX(), __QSUB16(), __SHADD16(), __SHASX(), __SHSAX(), __SHSUB16(), __SIMD32, __SMUAD(), __SMUSDX(), and _SIMD32_OFFSET.

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Referenced by arm_cfft_q15(), arm_cfft_radix4_q15(), and arm_cfft_radix4by2_q15().

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