36372 mbed / Mbed 2 deprecated SP14P1_skeleton

skeleton for lab1

Dependencies:   AvailableMemory mbed-rtos mbed

Fork of helloaabbc by 32314 mbed

Diff: RingBuffer.cpp

Revision:
0:1c8f2727e9f5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RingBuffer.cpp	Thu Apr 03 22:56:32 2014 +0000
@@ -0,0 +1,35 @@
+#include "RingBuffer.h"
+
+void RingBuffer::insert(int sample){
+  if((end+1)%bufSize==start){
+    start=(start+1)%bufSize;
+    cur=start;
+    count--;
+  }
+  buf[end]=sample;
+  end=(end+1)%bufSize;
+  count++;
+}
+
+int RingBuffer::next(){
+  int ret=buf[cur];
+  cur=(cur+1)%bufSize;
+  if ((cur >= end) && (count < bufSize)) cur = start;
+  return ret;
+}
+
+void RingBuffer::dump(FILE *fp)const{
+  if(!fp){
+    int i=start;
+    while(i!=end){
+      printf("%d\r\n", buf[i]);
+      i=(i+1)%bufSize;
+    }
+  }else{
+    int i=start;
+    while(i!=end){
+      fprintf(fp, "%d\r\n", buf[i]);
+      i=(i+1)%bufSize;
+    }
+  }
+}
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