can.cpp

来自「嵌入式LINUX的智能家居系统源码」· C++ 代码 · 共 39 行

////-------------------------------------------------------------------------------------
////this is the complement of the class can
#include"can.h"

Can::Can()                          //this connects the signals and slots in this class
{
	connect(&reader,SIGNAL(sig_cmd(int)),this,SLOT(sig_cmd(int)));
}
int Can::init()                     //here should be some problem to solve about can dev init
{
	reader.init();
	reader.start();
}
void Can::write_cmd(int cmd)
{
	CanData candy;
	ucmd cc;
	bzero(&candy,sizeof(CanData));
	candy.id = 0x123;
	candy.data[0] = 0;
	candy.data[0] |= FROM_M(MODULE);
	candy.data[1] |= KER_M;
	
	cc.cmd = cmd;
	for(int i=0;i<4;i++)
	{
		candy.data[i+2] = cc.a[i];
	}
	
	candy.dlc = 6;
	write(reader.can_fd,&candy,sizeof(CanData));
}