Diff: Delay_Unit.cpp

Revision:

0:adfbd02222d4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Delay_Unit.cpp	Mon Jun 13 15:20:17 2011 +0000
@@ -0,0 +1,34 @@
+/*****************************************************/
+/*  Delay_Unit.cpp                                   */
+/*                                                   */
+/*****************************************************/
+
+#define     DELAY_MAIN
+#include    "Delay_Unit.h"
+
+#define  LIMIT_P        (32767)
+#define  LIMIT_N        (-32768)
+
+int delay(int iEffectIn) {
+
+    int iSignal;
+
+    // Bypass ?
+    if(g_iDelayBypass == 0)return iEffectIn;
+
+    // Delay
+    iSignal = (int)g_sDelayBuff[g_usDelayPoint] * g_iDelayFeedBackLevel / 100 + iEffectIn;
+        
+    // Output Gain
+    if (iSignal >= LIMIT_P)iSignal = LIMIT_P;
+    if (iSignal <= LIMIT_N)iSignal = LIMIT_N;
+
+    g_sDelayBuff[g_usDelayPoint] = iSignal;
+
+    g_usDelayPoint = (g_usDelayPoint + 1) % (MAX_DELAY_POINT * g_iDelayTime / MAX_DELAY_TIME);
+
+    return iSignal;
+
+}
+
+#undef      DELAY_MAIN
\ No newline at end of file