only record wave file when triggered

git-svn-id: https://svn.code.sf.net/p/freetel/code@2571 01035d8c-6547-0410-b346-abe4f91aad63

diff --git a/freebeacon/freebeacon.c b/freebeacon/freebeacon.c
index eb189133a0ca44e677dd8a81f1ab1f1f9a8932da..b535ed91589014cd73877cdb00d3f7d221cffa94 100644 (file)
--- a/freebeacon/freebeacon.c
+++ b/freebeacon/freebeacon.c
@@ -670,6 +670,7 @@ int main(int argc, char *argv[]) {
         next_state = state;
 
         switch(state) {
+
         case SRX_IDLE:
             if (sync) {
                 next_state = SRX_MAYBE_SYNC;
@@ -681,23 +682,13 @@ int main(int argc, char *argv[]) {
                 freedv_set_total_bits(f, 0);
             }
             break;
+
         case SRX_MAYBE_SYNC:
             if (sync) {
                 syncTimer += dT;
                 if (syncTimer >= SYNC_TIMER) {
-                    /* OK we really are in sync */
-
-                    /* kick off recording of two files */
-
-                    char timeStr[MAX_CHAR];
-                    char recFileFromRadioName[MAX_CHAR], recFileDecAudioName[MAX_CHAR];
 
-                    getTimeStr(timeStr);
-                    sprintf(recFileFromRadioName,"%s/%s_from_radio.wav", waveFileWritePath, timeStr);
-                    sprintf(recFileDecAudioName,"%s/%s_decoded_speech.wav", waveFileWritePath, timeStr);
-                    sfRecFileFromRadio = openRecFile(recFileFromRadioName, fsm);
-                    sfRecFileDecAudio = openRecFile(recFileDecAudioName, FS8);
-                    tnout = 0;
+                    /* OK we really are in sync */
 
                     next_state = SRX_SYNC;
                 }
@@ -705,13 +696,31 @@ int main(int argc, char *argv[]) {
             else
                 next_state = SRX_IDLE;
             break;
+
         case SRX_SYNC:
             syncTimer += dT;
             if (!sync) {
                 syncTimer = 0;
                 next_state = SRX_MAYBE_UNSYNC;
             }
+
+            /* if triggered kick off recording of two files */
+
+            if (triggered) {
+
+                char timeStr[MAX_CHAR];
+                char recFileFromRadioName[MAX_CHAR], recFileDecAudioName[MAX_CHAR];
+
+                getTimeStr(timeStr);
+                sprintf(recFileFromRadioName,"%s/%s_from_radio.wav", waveFileWritePath, timeStr);
+                sprintf(recFileDecAudioName,"%s/%s_decoded_speech.wav", waveFileWritePath, timeStr);
+                sfRecFileFromRadio = openRecFile(recFileFromRadioName, fsm);
+                sfRecFileDecAudio = openRecFile(recFileDecAudioName, FS8);
+                tnout = 0;
+            }
+
             break;
+
         case SRX_MAYBE_UNSYNC:
             if (!sync) {
                 syncTimer += dT;
@@ -754,6 +763,7 @@ int main(int argc, char *argv[]) {
             else
                 next_state = SRX_SYNC; /* sync is back so false alarm */
             break;
+
         case STX:
             if (sfPlayFile == NULL) {
 
@@ -768,6 +778,8 @@ int main(int argc, char *argv[]) {
             break;
         }
 
+        /* end switch statement for case statement */
+
         logTimer += dT;
         if (logTimer >= LOG_TIMER) {
             logTimer = 0;
@@ -807,9 +819,11 @@ int main(int argc, char *argv[]) {
         }
 
         state = next_state;
-    }
+    } /* end while loop */
 
 
+    /* Ctrl-C has been pressed lets shut down gracefully ------------------*/
+
     /* lower PTT lines, shut down ports */
 
     if (com_handle != COM_HANDLE_INVALID) {
@@ -836,6 +850,8 @@ int main(int argc, char *argv[]) {
     Pa_CloseStream(stream);
     Pa_Terminate();
 
+    /* clean up states */
+
     fifo_destroy(fifo);
     src_delete(rxsrc);
     src_delete(txsrc);