Rory Hand / Mbed 2 deprecated NotchingDemo

old demo that i want to try in mbed studio

Dependencies:   mbed SDFileSystem_Copy_of_mbed_version I2S

Files at this revision

API Documentation at this revision

Revision 69:df10ee3ad523, committed 2019-09-29

Comitter:
roryhand
Date:
Sun Sep 29 21:07:27 2019 +0000
Branch:
LargeFile_Tests
Parent:
68:55e26c5e837b
Child:
70:2b144da2c3b8
Commit message:
WIP - have added some of the logic required into the Play_WaveFileLoop Fnc.

Changed in this revision

NotchingDemo.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/NotchingDemo.cpp	Sun Sep 29 20:54:34 2019 +0000
+++ b/NotchingDemo.cpp	Sun Sep 29 21:07:27 2019 +0000
@@ -307,6 +307,9 @@
     }
 }
 
+char *slice_buf1;
+char *slice_buf2;
+char *slice_buf3;
 
 int OneOff = 0;
 int notch_flag = 0;
@@ -592,13 +595,38 @@
 
 
 //Sound1=======================================================================================
-        if( slice1 == (Positions.notch_start_pts[Notching.Notch + 1]) ) {
-            slice1 = Positions.notch_start_pts[Notching.Notch];
-            fseek(wavfile1,Positions.notch_start_pts[Notching.Notch],SEEK_SET);
+        if( slice1 == (Positions.notch_start_pts[NotchingSet.Notch + 1]) ) {
+            slice1 = Positions.notch_start_pts[NotchingSet.Notch];
+            fseek(wavfile1,Positions.notch_start_pts[NotchingSet.Notch],SEEK_SET);
         }
 
-        fread(Sound1.FileInfo.slice_buf,Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
-        Sound1.data_sptr=(short *)Sound1.FileInfo.slice_buf;     // 16 bit samples
+        if(NotchingSet.Notch > 1) {
+
+            fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.Notch],SEEK_SET);
+            fread(slice_buf1, Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
+
+            fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.Notch - 1],SEEK_SET);
+            fread(slice_buf2, Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
+
+            if(NotchingSet.NotchDirection)
+
+            {
+
+                fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.NotchTransUp],SEEK_SET);
+                fread(slice_buf3, Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
+
+
+            } else {
+
+                fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.NotchTransDown],SEEK_SET);
+                fread(slice_buf3, Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
+            }
+
+        } else {
+
+            fread(Sound1.FileInfo.slice_buf,Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
+            Sound1.data_sptr=(short *)Sound1.FileInfo.slice_buf;     // 16 bit samples
+        }
 //=============================================================================================