- 费了好大劲!本来很简单,一个校验擦!
- 注意,一定要注意
-
- #include "ARP.h"
- #include "IP.H"
- #include "UDP.H"
- #include "ENC28J60_SPI.h"
- #include "ENC28J60_Send_Receive.h"
- #include "ENC28J60_Buff_Operation.h"
- #include "UART.H"
- /*******************************8
-
-
- 发送UDP数据包
- 指定目标IP,本地IP,本地端口,目标端口
- 还有数据大小,什么数据,第几个包
- uchar *MAC_Target_add,//MAC地址。一般情况下由ARP计算得出
- uchar *IP_Source_add,//IP源地址
- uchar *IP_Target_add,//IP目标地址
- uint UDP_Source_Port,UDP源端口
- uint UDP_Target_Port,UDP目标端口
- uchar * UDP_Send_Data, UDP数据
- uchar UDP_Send_Data_length UDP数据长度
- **********************************/
- //Send_UDP_packet( ); //应答
- void Send_UDP_packet( uchar *MAC_Target_add,
- uchar *IP_Target_add,
- uchar *UDP_Source_Port,
- uchar *UDP_Target_Port,
- uchar *UDP_Send_Data,
- uchar UDP_Send_Data_length
- )
- {
- TypeDef_MAC_Frame_H xdata MAC_Frame_H;//MAC定义一个结构体头
- TypeDef_IP_Frame_H xdata IP_Frame_H; //IP定义一个结构体头
- TypeDef_UDP_Frame_H xdata UDP_Frame_H;//UDP定义数据结构
- xdata unsigned long a,b;
- xdata uchar i;
- xdata uint tab[10];
- xdata uint msb,lsb;
- xdata uchar d;
- xdata uint da1;
- xdata uint da2;
- xdata uchar MSB_SUM,LSB_SUM;
- UDP_Frame_Set(&MAC_Frame_H,&IP_Frame_H,&UDP_Frame_H);//设置UDP相关参数
- /*MAC目标地址*/
- MAC_Frame_H.Destination_MAC[0]=MAC_Target_add[0];
- MAC_Frame_H.Destination_MAC[1]=MAC_Target_add[1];
- MAC_Frame_H.Destination_MAC[2]=MAC_Target_add[2];
- MAC_Frame_H.Destination_MAC[3]=MAC_Target_add[3];
- MAC_Frame_H.Destination_MAC[4]=MAC_Target_add[4];
- MAC_Frame_H.Destination_MAC[5]=MAC_Target_add[5];
- /*IP目标地址*/
- IP_Frame_H.IP_Dstination[0]=IP_Target_add[0];
- IP_Frame_H.IP_Dstination[1]=IP_Target_add[1];
- IP_Frame_H.IP_Dstination[2]=IP_Target_add[2];
- IP_Frame_H.IP_Dstination[3]=IP_Target_add[3];
- //数据长度,
- /*这个长度等于IP部首20字节+UDP部首8字节+UDP数据,这里是1字节*/
- IP_Frame_H.IP_Total_Length[0]=0;//设置总长度
- IP_Frame_H.IP_Total_Length[1]=0x1d;//设置总长度 //29字节
- /*计算IP部首校验和**/
- IP_Frame_H.IP_Check_sum[0]=0;
- IP_Frame_H.IP_Check_sum[1]=0; //先设置为0
-
-
- msb=IP_Frame_H.IP_Version_Head; //IP的版本号和IP的部首长度,默认为0X45,版本是4,部首是20字节
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Tos; //ip的TOS据我抓包观察一般是00
- tab[0]=msb+lsb;
- msb=IP_Frame_H.IP_Total_Length[0];//总数据报文长度
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Total_Length[1];//总数据报文长度
- tab[1]=msb+lsb;
- msb=IP_Frame_H.IP_Indentification[0];//IP标识字段,标识字段唯一地标识主机发送的每一份数据报。通常每发送一份报文它的值就会加1
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Indentification[1];
- tab[2]=msb+lsb;
- msb=IP_Frame_H.IP_Flage_FRAGMENT_OFFSET[0];//标志位和片偏移
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Flage_FRAGMENT_OFFSET[1];//标志位和片偏移
- tab[3]=msb+lsb;
- msb=IP_Frame_H.IP_TTL; //生存时间
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Protocol; //协议类型
- tab[4]=msb+lsb;
- msb=IP_Frame_H.IP_Check_sum[0];//部首校验和
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Check_sum[0];//部首校验和
- tab[5]=msb+lsb;
- msb=IP_Frame_H.IP_Source[0];//32IP位源地址
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Source[1];//32IP位源地址
- tab[6]=msb+lsb;
- msb=IP_Frame_H.IP_Source[2];//32IP位源地址
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Source[3];//32IP位源地址
- tab[7]=msb+lsb;
- msb=IP_Frame_H.IP_Dstination[0];//32位IP目标地址
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Dstination[1];//32位IP目标地址
- tab[8]=msb+lsb;
- msb=IP_Frame_H.IP_Dstination[2];//32位IP目标地址
- msb=msb<<8;
- lsb=IP_Frame_H.IP_Dstination[3];//32位IP目标地址
- tab[9]=msb+lsb;
- /**我操原来是没有清空变量草,费了我一天时间,我说第一次运行正确,其后不对
- 没有清零!我擦我操!
- 2012年3月7日
- 日照高科园
- 王均伟*/
- a=0;
- b=0;
- for(i=0;i<10;i++)
- {
- a=a+tab[i]; //变量加
- b=a;//暂存A中
- b+=(a>>16)&0x0000ffff; //取高位与地位相加,并且加完了清0高八位
- }
- b=~b; //取反
- da1=b;
- da2=da1;
- da2=(da2>>8)&0x00ff;
- //da=IP_Check_Sum_Verify(&IP_Frame_H); //计算IP部首校验和
- LSB_SUM=da1;
- MSB_SUM=da2;
- IP_Frame_H.IP_Check_sum[0]=MSB_SUM;
- IP_Frame_H.IP_Check_sum[1]=LSB_SUM; //写入IP部首校验和
-
- UDP_Frame_H.UDP_Source_Port[0]=UDP_Source_Port[0];
- UDP_Frame_H.UDP_Source_Port[1]=UDP_Source_Port[1];//源端口是8080
- UDP_Frame_H.UDP_Dstination_Port[0]=UDP_Target_Port[0];
- UDP_Frame_H.UDP_Dstination_Port[1]=UDP_Target_Port[1];//目标端口是8080
- //for(i=0;i<UDP_Send_Data_length;i++) //等到多数据写入时采用的测试只发送一个字节
- UDP_Frame_H.UDP_Data[0]=UDP_Send_Data[0];//数据写入
-
- /* 物理操作 */
- set_send_buffer_add(0x0200,0x023f);//缓冲区的大小设定,开始200结束1fff
-
- write_buffer_add(0x0200,0x0e);//控制字节
- // MAC
- write_buffer_add(0x0201,MAC_Frame_H.Destination_MAC[0]);//
- write_buffer_add(0x0202,MAC_Frame_H.Destination_MAC[1]);//
- write_buffer_add(0x0203,MAC_Frame_H.Destination_MAC[2]);//
- write_buffer_add(0x0204,MAC_Frame_H.Destination_MAC[3]);//
- write_buffer_add(0x0205,MAC_Frame_H.Destination_MAC[4]);// MAC目的地址
- write_buffer_add(0x0206,MAC_Frame_H.Destination_MAC[5]);//
- write_buffer_add(0x0207, MAC_Frame_H.Source_add_MAC[0]);//
- write_buffer_add(0x0208, MAC_Frame_H.Source_add_MAC[1]);//
- write_buffer_add(0x0209, MAC_Frame_H.Source_add_MAC[2]);// MAC源地址
- write_buffer_add(0x020A, MAC_Frame_H.Source_add_MAC[3]);//
- write_buffer_add(0x020B, MAC_Frame_H.Source_add_MAC[4]);//
- write_buffer_add(0x020C, MAC_Frame_H.Source_add_MAC[5]);//
- write_buffer_add(0x020D, MAC_Frame_H.Type[0]);// MAC类型
- write_buffer_add(0x020E, MAC_Frame_H.Type[1]);//
-
- //IP
- write_buffer_add(0x020F,IP_Frame_H.IP_Version_Head);//
- write_buffer_add(0x0210,IP_Frame_H.IP_Tos);//
- write_buffer_add(0x0211,IP_Frame_H.IP_Total_Length[0]);
- write_buffer_add(0x0212,IP_Frame_H.IP_Total_Length[1]);
- write_buffer_add(0x0213,IP_Frame_H.IP_Indentification[0]);
- write_buffer_add(0x0214,IP_Frame_H.IP_Indentification[1]);
- write_buffer_add(0x0215,IP_Frame_H.IP_Flage_FRAGMENT_OFFSET[0]);
- write_buffer_add(0x0216,IP_Frame_H.IP_Flage_FRAGMENT_OFFSET[1]);
- write_buffer_add(0x0217,IP_Frame_H.IP_TTL);
- write_buffer_add(0x0218,IP_Frame_H.IP_Protocol);
- write_buffer_add(0x0219,IP_Frame_H.IP_Check_sum[0]);
- write_buffer_add(0x021A,IP_Frame_H.IP_Check_sum[1]);
- write_buffer_add(0x021B,IP_Frame_H.IP_Source[0]);
- write_buffer_add(0x021C,IP_Frame_H.IP_Source[1]);
- write_buffer_add(0x021D,IP_Frame_H.IP_Source[2]);
- write_buffer_add(0x021E,IP_Frame_H.IP_Source[3]);
- write_buffer_add(0x021F,IP_Frame_H.IP_Dstination[0]);
- write_buffer_add(0x0220,IP_Frame_H.IP_Dstination[1]);
- write_buffer_add(0x0221,IP_Frame_H.IP_Dstination[2]);
- write_buffer_add(0x0222,IP_Frame_H.IP_Dstination[3]);
- //UDP
- write_buffer_add(0x0223,UDP_Frame_H.UDP_Source_Port[0]);
- write_buffer_add(0x0224,UDP_Frame_H.UDP_Source_Port[1]);
- write_buffer_add(0x0225,UDP_Frame_H.UDP_Dstination_Port[0]);
- write_buffer_add(0x0226,UDP_Frame_H.UDP_Dstination_Port[1]);
- write_buffer_add(0x0227,UDP_Frame_H.UDP_Length[0]);
- write_buffer_add(0x0228,UDP_Frame_H.UDP_Length[1]);
- write_buffer_add(0x0229,UDP_Frame_H.UDP_check_sum[0]);
- write_buffer_add(0x022A,UDP_Frame_H.UDP_check_sum[1]);
- //数据
- write_buffer_add(0x022B,UDP_Frame_H.UDP_Data[0]);
- write_ENC28J60_REG_SPI(ECON1,0x0c);//允许发送,允许接收
- for(;;)
- {
-
- d=read_ENC28J60_REG_SPI(EIR);//读取数据包接收标志位
- if((d&0x08)==0x08)break; //发送完毕??OK退出ifNO死在里面
-
- }
-
-
-
-
- }
- /*****************************
- 只有接收到一个请求后才会
- 发送一个arp应答数据包,
- Receive_MAC_Source_add_MAC:源MAC,即本机MAC
- Receive_ARP_Frame_sender_IP :本机IP
- Receive_ARP_Frame_Target_IP:目标IP
- ******************************/
- void Send_ARP_Answer_packet(uchar *Receive_MAC_Source_add_MAC,
- uchar *Receive_ARP_Frame_sender_IP,
- uchar *Receive_ARP_Frame_Target_IP
- )
- {
- uchar xdata d;
- TypeDef_ARP_Frame xdata ARP_Frame;
- TypeDef_MAC_Frame_H xdata MAC_Frame_H; //定义两个类型结构变量
- /*传递了两个结构传递过去,设置完了在回来用
- 也是我头回用结构做程序
- */
- ARP_Frame_Set(&ARP_Frame,&MAC_Frame_H);//加载ARP数据包
- /*mac目标地址*/
- MAC_Frame_H.Destination_MAC[0]=*(Receive_MAC_Source_add_MAC);
- MAC_Frame_H.Destination_MAC[1]=*(Receive_MAC_Source_add_MAC+1);
- MAC_Frame_H.Destination_MAC[2]=*(Receive_MAC_Source_add_MAC+2);
- MAC_Frame_H.Destination_MAC[3]=*(Receive_MAC_Source_add_MAC+3);
- MAC_Frame_H.Destination_MAC[4]=*(Receive_MAC_Source_add_MAC+4);
- MAC_Frame_H.Destination_MAC[5]=*(Receive_MAC_Source_add_MAC+5);
- /*发送者IP*/
- ARP_Frame.sender_IP[0]=Receive_ARP_Frame_Target_IP[0];
- ARP_Frame.sender_IP[1]=Receive_ARP_Frame_Target_IP[1];
- ARP_Frame.sender_IP[2]=Receive_ARP_Frame_Target_IP[2];
- ARP_Frame.sender_IP[3]=Receive_ARP_Frame_Target_IP[3];
- /*mac目标*/
- ARP_Frame.Target_MAC[0]=*(Receive_MAC_Source_add_MAC);
- ARP_Frame.Target_MAC[1]=*(Receive_MAC_Source_add_MAC+1);
- ARP_Frame.Target_MAC[2]=*(Receive_MAC_Source_add_MAC+2);
- ARP_Frame.Target_MAC[3]=*(Receive_MAC_Source_add_MAC+3);
- ARP_Frame.Target_MAC[4]=*(Receive_MAC_Source_add_MAC+4);
- ARP_Frame.Target_MAC[5]=*(Receive_MAC_Source_add_MAC+5);
- /*目标IP*/
- ARP_Frame.Target_IP[0]=Receive_ARP_Frame_sender_IP[0];
- ARP_Frame.Target_IP[1]=Receive_ARP_Frame_sender_IP[1];
- ARP_Frame.Target_IP[2]=Receive_ARP_Frame_sender_IP[2];
- ARP_Frame.Target_IP[3]=Receive_ARP_Frame_sender_IP[3];
- set_send_buffer_add(0x0200,0x023f);//缓冲区的大小设定,开始200结束1fff
-
- write_buffer_add(0x0200,0x0e);//控制字节
- write_buffer_add(0x0201,MAC_Frame_H.Destination_MAC[0]);//
- write_buffer_add(0x0202,MAC_Frame_H.Destination_MAC[1]);//
- write_buffer_add(0x0203,MAC_Frame_H.Destination_MAC[2]);//
- write_buffer_add(0x0204,MAC_Frame_H.Destination_MAC[3]);//
- write_buffer_add(0x0205,MAC_Frame_H.Destination_MAC[4]);// MAC目的地址
- write_buffer_add(0x0206,MAC_Frame_H.Destination_MAC[5]);//
- write_buffer_add(0x0207, MAC_Frame_H.Source_add_MAC[0]);//
- write_buffer_add(0x0208, MAC_Frame_H.Source_add_MAC[1]);//
- write_buffer_add(0x0209, MAC_Frame_H.Source_add_MAC[2]);// MAC源地址
- write_buffer_add(0x020A, MAC_Frame_H.Source_add_MAC[3]);//
- write_buffer_add(0x020B, MAC_Frame_H.Source_add_MAC[4]);//
- write_buffer_add(0x020C, MAC_Frame_H.Source_add_MAC[5]);//
- write_buffer_add(0x020D, MAC_Frame_H.Type[0]);// MAC类型
- write_buffer_add(0x020E, MAC_Frame_H.Type[1]);//
-
- write_buffer_add(0x020F,ARP_Frame.Hardware_type[0]);//
- write_buffer_add(0x0210,ARP_Frame.Hardware_type[1]);//
- write_buffer_add(0x0211,ARP_Frame.Protocol_type[0]);
- write_buffer_add(0x0212,ARP_Frame.Protocol_type[1]);
- write_buffer_add(0x0213,ARP_Frame.Hardware_address_length);
- write_buffer_add(0x0214,ARP_Frame.Protocol_address_length);
- write_buffer_add(0x0215,ARP_Frame.Operation_code[0]);
- write_buffer_add(0x0216,ARP_Frame.Operation_code[1]);
- write_buffer_add(0x0217,ARP_Frame.sender_MAC[0]);
- write_buffer_add(0x0218,ARP_Frame.sender_MAC[1]);
- write_buffer_add(0x0219,ARP_Frame.sender_MAC[2]);
- write_buffer_add(0x021A,ARP_Frame.sender_MAC[3]);
- write_buffer_add(0x021B,ARP_Frame.sender_MAC[4]);
- write_buffer_add(0x021C,ARP_Frame.sender_MAC[5]);
- write_buffer_add(0x021D,ARP_Frame.sender_IP[0]);
- write_buffer_add(0x021E,ARP_Frame.sender_IP[1]);
- write_buffer_add(0x021F,ARP_Frame.sender_IP[2]);
- write_buffer_add(0x0220,ARP_Frame.sender_IP[3]);
- write_buffer_add(0x0221,ARP_Frame.Target_MAC[0]);
- write_buffer_add(0x0222,ARP_Frame.Target_MAC[1]);
- write_buffer_add(0x0223,ARP_Frame.Target_MAC[2]);
- write_buffer_add(0x0224,ARP_Frame.Target_MAC[3]);
- write_buffer_add(0x0225,ARP_Frame.Target_MAC[4]);
- write_buffer_add(0x0226,ARP_Frame.Target_MAC[5]);
- write_buffer_add(0x0227,ARP_Frame.Target_IP[0]);
- write_buffer_add(0x0228,ARP_Frame.Target_IP[1]);
- write_buffer_add(0x0229,ARP_Frame.Target_IP[2]);
- write_buffer_add(0x022A,ARP_Frame.Target_IP[3]);
- write_ENC28J60_REG_SPI(ECON1,0x0c);//允许发送,允许接收
- for(;;)
- {
-
- d=read_ENC28J60_REG_SPI(EIR);//读取数据包接收标志位
- //SendOneByte(d);调试
- if((d&0x08)==0x08)break; //发送完毕??OK退出ifNO死在里面
-
- }
-
- }
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