can_mask = CAN_SFF_MASK; //设置过滤规则 setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &rfilter, sizeof(rfilter)); while(1) { nbytes = read(s, &frame, sizeof(frame));//接收报文 //显示报文 if(nbytes>0) { printf("ID=0x%XDLC=%ddata[0]=0x%X\n",frame.can_id, frame.can_dlc,f...
rfilter[0].can_mask = CAN_SFF_MASK; //#define CAN_SFF_MASK 0x000007FFU rfilter[1].can_id = 0x200; rfilter[1].can_mask = 0x700; setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &rfilter, sizeof(rfilter));//设置规则 1. 2. 3. 4. 5. 6. 在极端情况下,如果应用程序不需要接收...
if(frame_raw.can_id == (uint)(0x120 & CAN_SFF_MASK) ) { receive_msgs_count++; cout << "CAN1 Receive msgs 0x120:" <<(int)receive_msgs_count<< endl; for(int i=0;i<frame_raw.len;i++) { cout<<" 0x"<<std::hex<<(int)frame_raw.data[i]; } cout<<endl; } ...
rfilter.can_id = 0x11; rfilter.can_mask = CAN_SFF_MASK; setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &rfilter, sizeof(rfilter)); while(1) { nbytes = read(s, &frame, sizeof(frame)); if(nbytes > 0) { printf("ID=0x%0x DLC=%d data[0]=0x%x\n", frame.can_id, frame.can...
struct can_filter filter[1];/* 规则：可以接收ID为0x200数据帧和错误帧 */filter[0].can_mask = CAN_SFF_MASK;filter[0].can_id = 0x200 & CAN_SFF_MASK;filter[0].can_mask |= CAN_EFF_FLAG;if (setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &filter, sizeof(filter))){perror("...
单过滤模式:在模式寄存器(CAN_MODE)中将FILTER_SEL设置为1启动单过滤模式。根据RXCODE / RXMASK的值定义单个过滤器,其定义及过滤报文格式如图1-11所示。 双过滤模式:在模式寄存器(CAN_MODE)中将FILTER_SEL设置为0启动双过滤模式。根据RXCODE / RXMASK的值将定义2个过滤器,分别为过滤器0和过滤器1,其标准格式和...
*/bitmap[0] = (frame- >can_id & CAN_SFF_MASK) > >9; bitmap[1] = (frame- >can_id > >1) &0xff; bitmap[2] = ((frame- >can_id < <7) &0xff) | (!!(frame- >can_id & CAN_RTR_FLAG)) < <6|0< <4|/* IDE, r0 */(frame- >can_dlc &0xf);memcpy(&bitmap[3]...
#include <net/if.h> int main(void) { struct ifreq ifr = {0}; // 存放网络请求相关信息 struct sockaddr_can can_addr = {0}; // CAN套接字地址信息 struct can_frame frame = {0}; // CAN报文帧 int sockfd; // CAN套接字描述符 ...
filter[0].can_id = 0x200 & CAN_SFF_MASK; filter[0].can_mask |= CAN_EFF_FLAG; if (setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &filter, sizeof(filter))) { perror("setsockopt failed"); exit(EXIT_FAILURE); } 软件的配置可以在系统中检查: ...
filter[0].can_id = 0x200 & CAN_SFF_MASK; filter[0].can_mask |= CAN_EFF_FLAG; if (setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &filter, sizeof(filter))) { perror("setsockopt failed"); exit(EXIT_FAILURE); } 软件的配置可以在系统中检查: ...