gnss.hxx

// dawn/include/dawn/system/gnss.hxx
//
// SPDX-License-Identifier: Apache-2.0
//
 
#pragma once
 
#include "dawn/common/thread.hxx"
#include "dawn/system/common.hxx"
 
namespace dawn
{
enum
{
  DAWN_GNSS_MODE_OFF = 0,    
  DAWN_GNSS_MODE_HYBRID = 1, 
};
 
class CSystemGnss
  : public CSystemCommon
  , public CThreadedObject
{
public:
  enum
  {
    GNSS_CFG_FIRST = 0,
    GNSS_CFG_MODE = 1,        
    GNSS_CFG_SETTLE = 2,      
    GNSS_CFG_ACQUIRE = 3,     
    GNSS_CFG_RETRY = 4,       
    GNSS_CFG_MAXATTEMPTS = 5, 
    GNSS_CFG_REARM = 6,       
    GNSS_CFG_ENABLED = 7,     
    GNSS_CFG_LAST = 31
  };
 
  constexpr static SObjectId::ObjectId objectId(uint16_t inst = 0)
  {
    return SObjectId::objectId(
      SObjectId::OBJTYPE_ANY, SYSTEM_CLASS_GNSS, SObjectId::DTYPE_ANY, 0, inst);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdMode(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_UINT8, rw, 1, GNSS_CFG_MODE);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdSettle(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_UINT32, rw, 1, GNSS_CFG_SETTLE);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdAcquire(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_UINT32, rw, 1, GNSS_CFG_ACQUIRE);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdRetry(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_UINT32, rw, 1, GNSS_CFG_RETRY);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdMaxAttempts(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_UINT32, rw, 1, GNSS_CFG_MAXATTEMPTS);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdRearm(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_UINT32, rw, 1, GNSS_CFG_REARM);
  }
 
  constexpr static SObjectCfg::ObjectCfgId cfgIdEnabled(bool rw = true)
  {
    return cfgId(SYSTEM_CLASS_GNSS, SObjectId::DTYPE_BOOL, rw, 1, GNSS_CFG_ENABLED);
  }
 
  explicit CSystemGnss(CDescObject &desc);
 
  int configure() override;
 
#ifdef CONFIG_DAWN_OBJECT_HAS_NAME
  const char *getClassNameStr() const override
  {
    return "gnss";
  }
#endif
 
protected:
  int doStart() override;
  int doStop() override;
 
  int onSetObjConfig(SObjectCfg::ObjectCfgId objcfg, uint32_t *data, size_t len) override;
 
private:
  uint8_t mode;         
  bool enabled;         
  uint32_t settle;      
  uint32_t acquire;     
  uint32_t retry;       
  uint32_t maxAttempts; 
  uint32_t rearm;       
  int fd;               
 
  void loadParams();
 
  int startMonitor();
 
  void stopMonitor();
 
  void monitor();
};
} // Namespace dawn