init

lib_audio_dsp/test/graphic_eq/src/main.c

@@ -0,0 +1,56 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "dsp/adsp.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  q2_30 coeffs_buf[50] = {0};
+  int32_t DWORD_ALIGNED state[160] = {0};
+  int32_t gains_buf[10] = {0};
+
+  FILE * in = _fopen("../sig_48k.bin", "rb");
+  FILE * out = _fopen("sig_out.bin", "wb");
+  FILE * gains = _fopen("gains.bin", "rb");
+  FILE * coeffs = _fopen("coeffs.bin", "rb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(int32_t);
+  fseek(in, 0, SEEK_SET);
+
+  fread(&gains_buf, sizeof(int32_t), 10, gains);
+  fclose(gains);
+
+  fread(&coeffs_buf, sizeof(int32_t), 50, coeffs);
+  fclose(coeffs);
+
+  // q2_30 * coeffs = adsp_graphic_eq_10b_init(48000.0f);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    int32_t samp = 0, samp_out = 0;
+    fread(&samp, sizeof(int32_t), 1, in);
+    //printf("%ld ", samp);
+    samp_out = adsp_graphic_eq_10b(samp, gains_buf, coeffs_buf, state);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(int32_t), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/graphic_eq/src/main_coeffs.c

@@ -0,0 +1,35 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/helpers.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main(int argc, char* argv[])
+{
+  float fs = atof(argv[1]);
+  FILE * out = _fopen("coeffs_out.bin", "wb");
+
+ printf("%f\n", fs);
+
+  q2_30 * coeffs_buf = adsp_graphic_eq_10b_init(fs);
+
+  for (int i=0; i < 50; i++){
+    printf("%d: %ld\n", i, coeffs_buf[i]);
+  }
+
+  fwrite(&coeffs_buf[0], sizeof(int32_t), 50, out);
+  fclose(out);
+  return 0;
+}