using wansview cam tilt and pan

wansview.c

@@ -0,0 +1,71 @@
+
+
+#include "wansview.h"
+
+int wvcamctrl(char* ip, int cmd)
+{
+    int sockfd = 0, n = 0;
+    char recvBuff[1024];
+    char sendBuff[1024];
+    struct sockaddr_in serv_addr;
+
+    memset(recvBuff, '0',sizeof(recvBuff));
+    if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    {
+        printf("\n Error : Could not create socket \n");
+        return 1;
+    }
+
+    memset(&serv_addr, '0', sizeof(serv_addr));
+
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_port = htons(80);
+
+    if(inet_pton(AF_INET, ip, &serv_addr.sin_addr)<=0)
+    {
+        printf("\n inet_pton error occured\n");
+        return 1;
+    }
+
+    if( connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
+    {
+       printf("\n Error : Connect Failed \n");
+       return 1;
+    }
+
+    sprintf(sendBuff, "GET /decoder_control.cgi?onestep=1&command=%d&user=chch&pwd=chch HTTP/1.1\r\nHost: %s\r\n\r\n", cmd, ip);
+
+    n = write(sockfd, sendBuff, strlen(sendBuff));
+
+    while ( (n = read(sockfd, recvBuff, sizeof(recvBuff)-1)) > 0)
+    {
+    }
+
+
+    if(n < 0)
+    {
+        printf("\n Read error \n");
+    }
+    close(sockfd);
+    return 0;
+}
+
+int cam_down(char* ip)
+{
+    return wvcamctrl(ip, 0);
+}
+
+int cam_up(char* ip)
+{
+    return wvcamctrl(ip, 2);
+}
+
+int cam_cw(char* ip)
+{
+    return wvcamctrl(ip, 4);
+}
+
+int cam_ccw(char* ip)
+{
+    return wvcamctrl(ip, 6);
+}