APP_Framework/lib/:add queue lib

APP_Framework/lib/Kconfig

@@ -11,4 +11,5 @@ menu "lib"
                 bool "app select other lib"
     endchoice
      source "$APP_DIR/lib/cJSON/Kconfig"
+	 source "$APP_DIR/lib/queue/Kconfig"
 endmenu

APP_Framework/lib/queue/Kconfig

@@ -0,0 +1,3 @@
+menuconfig LIB_USING_QUEUE
+    bool "USING QUEUE"
+    default n

APP_Framework/lib/queue/SConscript

@@ -0,0 +1,10 @@
+from building import * 
+import os
+
+cwd = GetCurrentDir()
+
+src = Glob('*.c')
+
+group = DefineGroup('queue', src, depend = ['LIB_USING_QUEUE'], CPPPATH = [cwd])
+
+Return('group')

APP_Framework/lib/queue/queue.c

@@ -0,0 +1,59 @@
+#include <queue.h>
+Status InitQueue(SqQueue *Q)
+{
+	Q->front=0;
+	Q->rear=0;
+	return  OK;
+}
+
+
+Status ClearQueue(SqQueue *Q)
+{
+	Q->front=Q->rear=0;
+	return OK;
+}
+
+
+Status QueueEmpty(SqQueue *Q)
+{ 
+	if(Q->front==Q->rear) 
+		return TRUE;
+	else
+		return FALSE;
+}
+
+
+int QueueLength(SqQueue *Q)
+{
+	return  (Q->rear-Q->front+MAXSIZE)%MAXSIZE;
+}
+
+
+Status GetHead(SqQueue *Q,QElemType *e)
+{
+	if(Q->front==Q->rear) 
+		return ERROR;
+	*e=Q->data[Q->front];
+	return OK;
+}
+
+
+Status EnQueue(SqQueue *Q,QElemType e)
+{
+	if ((Q->rear+1)%MAXSIZE == Q->front)	
+		return ERROR;
+	Q->data[Q->rear]=e;			
+	Q->rear=(Q->rear+1)%MAXSIZE;								
+	return  OK;
+}
+
+
+Status DeQueue(SqQueue *Q,QElemType *e)
+{
+	if (Q->front == Q->rear)		
+		return ERROR;
+	*e=Q->data[Q->front];			
+	Q->front=(Q->front+1)%MAXSIZE;
+	return  OK;
+}
+

APP_Framework/lib/queue/queue.h

@@ -0,0 +1,26 @@
+#ifndef __QUEUE_H__
+#define __QUEUE_H__
+#include <stdio.h>
+#define OK 1
+#define ERROR 0
+#define TRUE 1
+#define FALSE 0
+#define MAXSIZE 1024 
+
+typedef int Status; 
+typedef int QElemType;
+typedef struct
+{
+	int data[MAXSIZE];
+	int front;    	
+	int rear;		
+}SqQueue;
+
+Status InitQueue(SqQueue *Q);
+Status ClearQueue(SqQueue *Q);
+Status QueueEmpty(SqQueue *Q);
+Status GetHead(SqQueue *Q,QElemType *e);
+Status EnQueue(SqQueue *Q,QElemType e);
+Status DeQueue(SqQueue *Q,QElemType *e);
+int QueueLength(SqQueue *Q);
+#endif