Functions | |
arm_status | arm_rfft_fast_init_f32 (arm_rfft_fast_instance_f32 *S, uint16_t fftLen) |
Initialization function for the floating-point real FFT. More... | |
void | arm_rfft_fast_f32 (arm_rfft_fast_instance_f32 *S, float32_t *p, float32_t *pOut, uint8_t ifftFlag) |
Processing function for the floating-point real FFT. More... | |
void arm_rfft_fast_f32 | ( | arm_rfft_fast_instance_f32 * | S, |
float32_t * | p, | ||
float32_t * | pOut, | ||
uint8_t | ifftFlag | ||
) |
Processing function for the floating-point real FFT.
[in] | *S | points to an arm_rfft_fast_instance_f32 structure. |
[in] | *p | points to the input buffer. |
[in] | *pOut | points to the output buffer. |
[in] | ifftFlag | RFFT if flag is 0, RIFFT if flag is 1 |
arm_status arm_rfft_fast_init_f32 | ( | arm_rfft_fast_instance_f32 * | S, |
uint16_t | fftLen | ||
) |
Initialization function for the floating-point real FFT.
[in,out] | *S | points to an arm_rfft_fast_instance_f32 structure. |
[in] | fftLen | length of the Real Sequence. |
fftLen
is not a supported value.fftLen
Specifies length of RFFT/CIFFT process. Supported FFT Lengths are 32, 64, 128, 256, 512, 1024, 2048, 4096.