checker_host/prot/prot_slave.cpp

#include "prot_slave.h"
#include "QDebug"

void prot_slave::init()
{
  if_ = interFaceFind("can");
  codec_ = codecFind("codec_slave");
  mycfg *cfg_ = syscfg();
  for (int i = 0; i < cfg_->slave_num; i++)
  {
    slaves.append(nullptr);
  }
  if_->set_irq([=](myarray recv)
    {
      if(codec_->packCheck(recv)==true){
          int cmd,src,dst;
          HandleSlave *handle=nullptr;
          myarray data=codec_->decode(src,dst,cmd,recv);
          if((src>slaves.size())||(src<=0)){
              qWarning("slave addr err:%d",src);
          }else{
              handle=slaves[src-1];
              if(handle!=nullptr){
                  handle->dolater(cmd,data);
              }else{
                  qWarning("slave addr=%d not have handle.",src);
              }
          }
      }
    });
}

bool prot_slave::set_slave_handle(int addr, HandleSlave *handle)
{
  if ((addr > slaves.size()) || (addr <= 0))
  {
    delete handle;
    return false;
  }
  HandleSlave *temp;
  temp = slaves[addr - 1];
  if (temp != nullptr)
  {
    if (temp->busy != 0)
    {
      delete handle;
      return false;
    }
    else
    {
      delete temp;
    }
  }
  connect(handle, &HandleSlave::send_data_signal, this, &prot_slave::send_data_slot);
  slaves.replace(addr - 1, handle);
  return true;
}

void prot_slave::send_data_slot(int addr, int cmd, myarray data)
{
  if ((if_ != nullptr) && (codec_ != nullptr))
  {
    myarray send = codec_->encode(0, addr, cmd, data);
    if_->write(send);
  }
}

static prot_slave *g_protslave;
prot_slave *protSlave()
{
  if (g_protslave == nullptr)
  {
    g_protslave = new prot_slave();
    // g_protslave->init();
  }
  return g_protslave;
}