Kinetis SDK v.1.2 Demo Applications User's Guide  Rev. 0
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equalizer.h
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31 
32 #ifndef __EQUALIZER_H__
33 #define __EQUALIZER_H__
34 
36 // Includes
38 
39 // Standard C Included Files
40 #include <stdint.h>
41 // SDK Included Files
42 #include "fsl_soundcard.h"
43 #include "fsl_sai_driver.h"
44 // Include CMSIS-DSP library
45 #include "arm_math.h"
46 
48 // Definitions
50 
51 #define WAV_PI 3.14159265
52 
53 /* DSP available */
54 typedef enum DSP_Types
55 {
59 
61 // Prototypes
63 
73 float32_t do_fft(sai_data_format_t *dataFormat, uint8_t *buffer, float32_t *fftData, float32_t *fftResult);
74 
75 #endif // __EQUALIZER_H__
Definition: equalizer.h:56
float32_t do_fft(sai_data_format_t *dataFormat, uint8_t *buffer, float32_t *fftData, float32_t *fftResult)
Perform frequency analysis and find fundamental frequency of PCM data.
Definition: equalizer.c:58
UINT8 buffer[BUFFER_SIZE_BYTE]
Definition: flash_demo_ram.c:53
dsp_types_t
Definition: equalizer.h:54
Definition: equalizer.h:57