类析构时取消其设置的回调函数

prot/prot_m4.cpp

@@ -76,6 +76,7 @@ prot_m4 *protM4()
 
 bool prot_m4::set_irq_fun(prot_m4_cb fun, myarray data)
 {
+  if(fun==nullptr) return false;
   int left;
   for (int i = 0; i < funs.size(); i++)
   {

prot/prot_slave.cpp

@@ -26,7 +26,7 @@ void prot_slave::init()
           if((broadcast_!=nullptr)&&(broadcast_->busy)){
             broadcast_->addr_response|=1<<(src-1);
             if(broadcast_->check_response()==true)
-              broadcast_->dolater(cmd,data);
+              broadcast_->dolater(broadcast_->cmd,data);
           }else{
             handle=slaves[src-1];
             if(handle!=nullptr){