can_frame.h
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#pragma once
#include "socket-cpp/platform.h"
#include <string>
#include <cstring>
//#include <sys/un.h>
#include <linux/can.h>
namespace osdev {
namespace components {
namespace socket-cpp {
/**
* Class that represents a Linux SocketCAN frame.
* This inherits from the Linux CAN frame struct, just providing easier
construction.
*/
class can_frame : public ::can_frame
{
using base = ::can_frame;
/** The size of the underlying address struct, in bytes */
static constexpr size_t SZ = sizeof(::can_frame);
public:
/**
* Constructs an empty frame.
* The frame is initialized to all zeroes.
*/
can_frame() : base{} {}
/**
* Constructs a frame with the specified ID and data.
* @param canID The CAN identifier for the frame
* @param data The data field for the frame
*/
can_frame(canid_t canID, const std::string& data)
: can_frame{ canID, data.data(), data.length() } {}
/**
* Constructs a frame with the specified ID and data.
* @param canID The CAN identifier for the frame
* @param data The data field for the frame
* @param n The number of bytes in the data field
*/
can_frame(canid_t canID, const void* data, size_t n) : base{} {
this->can_id = canID;
this->can_dlc = n;
::memcpy(&this->data, data, n);
}
};
} // End namespace socket-cpp
} // End namespace components
} // End namespace osdev