DSP program for the Surfboard hardware (PCB to be open sourced) http://www.avbotz.com/ourauv/electrical/signal-processing/
Dependencies: MODDMA SimpleIOMacros mbed-dsp mbed
hydro_dsp.h
00001 #ifndef HYDRO_DSP_H__ 00002 #define HYDRO_DSP_H__ 00003 00004 #include "dsp.h" 00005 00006 #define NUM_CHANNELS 6// 00007 #define FILTER_ORDER 6 00008 #define BLOCK_SIZE 512 00009 #define TDOA_THRESH (32767 / 2) 00010 //#define TDOA_MIN_NUM_HITS 2 00011 00012 void setup_dsp(); 00013 int find_timestamp_tdoa(q15_t* filtered); 00014 00015 extern arm_iir_lattice_instance_q15 iir_filter[NUM_CHANNELS]; 00016 extern q15_t filtered[BLOCK_SIZE]; 00017 00018 #endif
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