sampling.hxx

// dawn/include/dawn/prog/sampling.hxx
//
// SPDX-License-Identifier: Apache-2.0
//
 
#pragma once
 
#include <vector>
 
#include "dawn/common/thread.hxx"
#include "dawn/porting/config.hxx"
#include "dawn/prog/common.hxx"
 
namespace dawn
{
// Forward declaration
 
class CIOCommon;
class io_ddata_t;
 
class CProgSampling : public CProgCommon
{
public:
  constexpr static uint32_t INTERVAL_DEFAULT = CONFIG_DAWN_PROG_SAMPLING_INTERVAL;
 
  enum
  {
    PROG_SAMPLING_CFG_FIRST = 0,
    PROG_SAMPLING_CFG_IOBIND = 1,   
    PROG_SAMPLING_CFG_INTERVAL = 2, 
    PROG_SAMPLING_CFG_LAST = 31
  };
 
  CProgSampling(CDescObject &desc)
    : CProgCommon(desc)
    , interval(INTERVAL_DEFAULT)
  {
  }
 
  ~CProgSampling() override;
 
#ifdef CONFIG_DAWN_OBJECT_HAS_NAME
  const char *getClassNameStr() const override
  {
    return "sampling";
  }
#endif
 
  int configure() override;
  int init() override;
  int deinit() override;
  int doStart() override;
  int doStop() override;
  bool hasThread() const override;
 
  constexpr static SObjectId::ObjectId objectId(uint16_t inst)
  {
    return SObjectId::objectId(
      SObjectId::OBJTYPE_PROG, CProgCommon::PROG_CLASS_SAMPLING, SObjectId::DTYPE_ANY, 0, inst);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgId(bool rw, uint8_t size, uint8_t id)
  {
    return SObjectCfg::objectCfg(SObjectId::OBJTYPE_PROG,
                                 CProgCommon::PROG_CLASS_SAMPLING,
                                 SObjectId::DTYPE_ANY,
                                 rw,
                                 size,
                                 id);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdIOBind(uint16_t size)
  {
    return CProgSampling::cfgId(false, size, PROG_SAMPLING_CFG_IOBIND);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdIOInterval()
  {
    return CProgSampling::cfgId(true, 1, PROG_SAMPLING_CFG_INTERVAL);
  }
 
private:
  struct SSamplingBind
  {
    SObjectId::ObjectId srcId;
    SObjectId::ObjectId targetId;
    class CIOCommon *src;
    class CIOCommon *target;
    io_ddata_t *iodata;
  };
 
  std::vector<SSamplingBind *> binds; 
  uint32_t interval;                  
  CThreadedObject threadCtl;          
 
  int configureDesc(const CDescObject &desc);
  int allocObject(SObjectId::ObjectId srcId, SObjectId::ObjectId targetId);
  void thread();
};
} // Namespace dawn