R&J / Mbed 2 deprecated 487_Laboratory_2

initial

Dependencies:   mbed BSP_DISCO_F746NG mbed-dsp

signal_processing.h@9:fb0eb0b2796c, 2020-03-10 (annotated)

Committer:
justenmg
Date:
Tue Mar 10 20:59:20 2020 +0000
Revision:
9:fb0eb0b2796c
Parent:
7:88543caf2b6e 
finished

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bmazzeo 0:c0f52e8223fe 1 /**
bmazzeo 0:c0f52e8223fe 2 ******************************************************************************
bmazzeo 0:c0f52e8223fe 3 * @file signal_processing.h
bmazzeo 0:c0f52e8223fe 4 * @author Brian Mazzeo
bmazzeo 0:c0f52e8223fe 5 * @date 2020
bmazzeo 0:c0f52e8223fe 6 * @brief This file provides a set of code for signal processing in 487.
bmazzeo 0:c0f52e8223fe 7 * Parts are taken from example code from STMIcroelectronics
bmazzeo 0:c0f52e8223fe 8 ******************************************************************************
bmazzeo 0:c0f52e8223fe 9 * @attention
bmazzeo 0:c0f52e8223fe 10 * This code was specifically developed for BYU ECEn 487 course
bmazzeo 0:c0f52e8223fe 11 * Introduction to Digital Signal Processing.
bmazzeo 0:c0f52e8223fe 12 *
bmazzeo 0:c0f52e8223fe 13 *
bmazzeo 0:c0f52e8223fe 14 ******************************************************************************
bmazzeo 0:c0f52e8223fe 15 */
bmazzeo 0:c0f52e8223fe 16
bmazzeo 0:c0f52e8223fe 17 #include "mbed.h"
bmazzeo 0:c0f52e8223fe 18 #include "stm32746g_discovery_lcd.h"
bmazzeo 0:c0f52e8223fe 19
bmazzeo 0:c0f52e8223fe 20
bmazzeo 0:c0f52e8223fe 21 void initalize_signal_processing(void);
bmazzeo 0:c0f52e8223fe 22 void process_audio_channel_signals(float32_t* L_channel_in, float32_t* R_channel_in, float32_t* L_channel_out, float32_t* R_channel_out, uint16_t Signal_Length);
justenmg 1:103e3e426b55 23
justenmg 4:99de9b4005d2 24 void filter_conv_init();
justenmg 4:99de9b4005d2 25 void filter_fft_init();
justenmg 4:99de9b4005d2 26
justenmg 5:a658cda1d619 27 void filter_OA_CONV(float32_t* overlap_buffer, float32_t* d_in, float32_t* d_out, uint16_t sig_length);
justenmg 5:a658cda1d619 28 void filter_OA_FFT(float32_t* overlap_buffer, float32_t* fft_buffer, float32_t* ifft_buffer, float32_t* d_in, float32_t* d_out, uint16_t sig_length);
justenmg 5:a658cda1d619 29 void filter_OA_FFT_RI(float32_t* overlap_buffer1, float32_t* overlap_buffer2, float32_t* fft_buffer, float32_t* ifft_buffer, float32_t* d_in1, float32_t* d_in2, float32_t* d_out1, float32_t* d_out2, uint16_t sig_length);
justenmg 5:a658cda1d619 30 void filter_OS_FFT_RI(float32_t* save_buffer1, float32_t* save_buffer2, float32_t* fft_buffer, float32_t* ifft_buffer, float32_t* d_in1, float32_t* d_in2, float32_t* d_out1, float32_t* d_out2, uint16_t sig_length);