1 files changed, 113 insertions, 0 deletions
diff --git a/unittest/tfreedv_2400A_rawdata.c b/unittest/tfreedv_2400A_rawdata.c
new file mode 100644
index 0000000..b81aa47
--- /dev/null
+++ b/unittest/tfreedv_2400A_rawdata.c
@@ -0,0 +1,113 @@
+/*---------------------------------------------------------------------------*\
+
+  FILE........: tfreedv_2400A_rawdata.c
+  AUTHOR......: Jeroen Vreeken
+  DATE CREATED: 24 May 2020
+
+  FreeDV 2400A rawdata test.
+
+\*---------------------------------------------------------------------------*/
+
+/*
+  Copyright (C) 2020 Jeroen Vreeken <[email protected]>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+
+#include "assert.h"
+#include "freedv_api.h"
+
+int main(int argc, char **argv) {
+  struct freedv *f;
+  int i;
+
+  printf("freedv_api tests for mode 2400A\n");
+
+  printf("freedv_open(FREEDV_MODE_2400A) ");
+  f = freedv_open(FREEDV_MODE_2400A);
+  assert(f != NULL);
+  printf("Passed\n");
+
+  printf("freedv_get_mode() ");
+  int mode = freedv_get_mode(f);
+  assert(mode == FREEDV_MODE_2400A);
+  printf("Passed\n");
+
+  printf("freedv_get_n_max_modem_samples() ");
+  int max_samples = freedv_get_n_max_modem_samples(f);
+  assert(max_samples == 2040);
+  printf("%d Passed\n", max_samples);
+
+  printf("freedv_get_n_nom_modem_samples() ");
+  int nom_samples = freedv_get_n_nom_modem_samples(f);
+  assert(nom_samples == 2000);
+  printf("%d Passed\n", nom_samples);
+
+  printf("freedv_get_n_speech_samples() ");
+  int speech_samples = freedv_get_n_speech_samples(f);
+  assert(speech_samples == 320);
+  printf("%d Passed\n", speech_samples);
+
+  printf("freedv_get_n_bits_per_codec_frame() ");
+  int codec_bits = freedv_get_bits_per_codec_frame(f);
+  assert(codec_bits == 52);
+  printf("%d Passed\n", codec_bits);
+
+  printf("freedv_get_n_bits_per_modem_frame() ");
+  int frame_bits = freedv_get_bits_per_modem_frame(f);
+  assert(frame_bits == 52);
+  printf("%d Passed\n", frame_bits);
+
+  printf("freedv_rawdatatx()/freedv_rawdatarx() ");
+  int frames = 0;
+  {
+    short mod[nom_samples * 10];
+    /* Note: A codec frame is only 6.5 bytes!
+       so the seventh byte will be half empty!
+     */
+    unsigned char payload[7] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x70};
+    for (i = 0; i < 10; i++) {
+      freedv_rawdatatx(f, mod + i * nom_samples, payload);
+    }
+    int nin = 0;
+    for (i = 0; i < nom_samples * 9; i += nin) {
+      nin = freedv_nin(f);
+      unsigned char payload_rx[7] = {0};
+      int r = freedv_rawdatarx(f, payload_rx, mod + i);
+      if (r) {
+        int b;
+        for (b = 0; b < 7; b++) {
+          if (payload[b] != payload_rx[b]) {
+            printf("Received codec bits 0x%02x do not match expected 0x%02x\n",
+                   payload_rx[b], payload[b]);
+          }
+        }
+        frames++;
+      }
+    }
+  }
+  if (!frames) {
+    printf("Did not decode any frames successfully\n");
+    goto fail;
+  }
+
+  printf("Tests passed\n");
+  return 0;
+fail:
+  printf("Test failed\n");
+  return 1;
+}