能否给出一些windows上CAN编程的例子程序
时间: 2023-07-14 21:12:40 浏览: 50
当然可以,以下是使用C++和SocketCAN库在Windows上进行CAN编程的示例程序:
```cpp
#include <iostream>
#include <chrono>
#include <thread>
#include "socketcan.h"
using namespace std;
int main()
{
// 初始化CAN接口
string can_ifname = "vcan0";
try {
CANSocket socket(can_ifname);
socket.setBitrate(CAN_BITRATE_500K);
socket.setBlockingMode(false); // 非阻塞模式
cout << "CAN interface " << can_ifname << " initialized." << endl;
// 发送CAN数据
uint32_t can_id = 0x123;
uint8_t can_data[8] = {1, 2, 3, 4, 5, 6, 7, 8};
int nbytes = socket.send(can_id, can_data, sizeof(can_data));
if (nbytes < 0) {
cerr << "Failed to send CAN frame: " << strerror(errno) << endl;
} else {
cout << "Sent " << nbytes << " bytes of CAN data." << endl;
}
// 接收CAN数据
while (true) {
CANFrame frame;
int nbytes = socket.receive(frame);
if (nbytes < 0) {
if (errno != EAGAIN) {
cerr << "Failed to receive CAN frame: " << strerror(errno) << endl;
}
} else {
cout << "Received CAN frame: ID=" << frame.id << ", DLC=" << frame.dlc << ", data=";
for (int i = 0; i < frame.dlc; ++i) {
cout << hex << (int)frame.data[i] << " ";
}
cout << endl;
}
// 等待50毫秒
this_thread::sleep_for(chrono::milliseconds(50));
}
} catch (CANException& e) {
cerr << "Error: " << e.what() << endl;
return -1;
}
return 0;
}
```
这个程序使用了SocketCAN库,可以通过在命令行中输入以下命令来安装它:
```bash
$ sudo apt-get install can-utils
$ sudo apt-get install libsocketcan-dev
```
然后在Visual Studio中创建一个新的C++项目,将上面的程序复制粘贴到源文件中,然后在项目属性中添加SocketCAN库的引用,即可编译并运行程序。