grbl源代码主函数解读适合初学者.txt

ain()主函数首先执行下面初始化函数 serial_init(); //Setupserialbaudrateandinterrupts settings_init(); //LoadGrblsettingsfromEEPROM stepper_init(); //配置步进方向和中断定时器 system_init(); //配置引脚分配别针和pin-change中断 memset(&sys,0,sizeof(system_t)); //Clearallsystemvariables sys.abort=