cleanup

git-svn-id: https://svn.spreadspace.org/mur.sat@528 7de4ea59-55d0-425e-a1af-a3118ea81d4c

1 files changed, 14 insertions, 10 deletions

diff --git a/tools/idm-ringbuffer/ringbuffer.c b/tools/idm-ringbuffer/ringbuffer.c
index 5fd65b4..2910d6c 100644
--- a/tools/idm-ringbuffer/ringbuffer.c
+++ b/tools/idm-ringbuffer/ringbuffer.c
@@ -58,7 +58,8 @@ BOOL underrun = TRUE;
 BOOL currentByteLoaded = FALSE;
 char spiData = 0;
 
-void incrementWriteIdx() {
+void incrementWriteIdx()
+{
   if (!overrun) {
     writePtr++;
     writePtr = writePtr > bufferEnd ? bufferStart : writePtr;
@@ -69,7 +70,8 @@ void incrementWriteIdx() {
   }
 }
 
-void incrementReadIdx() {
+void incrementReadIdx()
+{
   if(!underrun) {
     readPtr++;
     readPtr = readPtr > bufferEnd ? bufferStart : readPtr;
@@ -80,20 +82,21 @@ void incrementReadIdx() {
   }
 }
 
-void beginRead() {
-  if (!underrun) {
-    spiData = *readPtr;
-    printf("SPI out: %02x\n", (int)spiData);
-  }
+void beginRead() 
+{
+  spiData = underrun ? 0 : *readPtr;
+  printf("SPI Buf: %02x\n", (int)spiData);
   currentByteLoaded = TRUE;
 }
 
-void endRead() {
+void endRead()
+{
   currentByteLoaded = FALSE;
   incrementReadIdx();
 }
 
-void storeSample() {
+void storeSample()
+{
   static char value = 0;
   if (!overrun) {
     *writePtr = ++value;
@@ -101,7 +104,8 @@ void storeSample() {
   }
 }
 
-void triggerByteTransferred() {
+void triggerByteTransferred()
+{
   if (spiData == 0) {
     endRead();
     beginRead();