CHG: minor code clean up.

[proxmark3-svn] / client / graph.c

diff --git a/client/graph.c b/client/graph.c
index 3a8f0c3a26079f7fbe793b5f34aad6f81f85884b..a2753af7b011686fd22002dce5019c5acbbd2281 100644 (file)
--- a/client/graph.c
+++ b/client/graph.c
@@ -36,6 +36,8 @@ void AppendGraph(int redraw, int clock, int bit)
 int ClearGraph(int redraw)
 {
   int gtl = GraphTraceLen;
+  memset(GraphBuffer, 0x00, GraphTraceLen);
+
   GraphTraceLen = 0;
 
   if (redraw)
@@ -155,8 +157,11 @@ void setGraphBuf(uint8_t *buff,int size)
 int getFromGraphBuf(uint8_t *buff)
 {
   uint32_t i;
-  for (i=0;i<GraphTraceLen;++i)
+  for (i=0;i<GraphTraceLen;++i){
+    if (GraphBuffer[i]>127) GraphBuffer[i]=127; //trim
+    if (GraphBuffer[i]<-127) GraphBuffer[i]=-127; //trim
     buff[i]=(uint8_t)(GraphBuffer[i]+128);
+  }
   return i;
 }
 /* Get or auto-detect clock rate */