KyosoTechnology
/
Queue
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Diff: queueEx.h
- Revision:
- 1:07cddbd29781
- Child:
- 2:68ce6bdc0714
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/queueEx.h Mon Nov 22 00:41:30 2021 +0000
@@ -0,0 +1,34 @@
+/**
+ ******************************************************************************
+ * @file : queueEx.h
+ * @brief : queue expansion
+ ******************************************************************************
+ * @attention
+ *
+ ******************************************************************************
+ */
+#ifndef QUEUEEX_h
+#define QUEUEEX_h
+
+#include "queue.h"
+
+class QueueEx : public Queue{
+private:
+public:
+ QueueEx(int iSize, int iCount) : Queue(iSize, iCount){
+ }
+ bool Peek(int index, void* pvItem){
+ unsigned char *p = m_pnRdIndex;
+ if (index < m_iLclCount){
+ for(int i = 0; i < index; i++){
+ p += m_iSize;
+ if ( p >= m_pnTail ) p = m_pnHead;
+ }
+ memcpy( pvItem, p, m_iSize );
+ return true;
+ }
+ return false;
+ }
+};
+
+#endif/*QUEUEEX_h*/