persistent_data.h

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/***********************************************************************/
#ifndef INC_PERSISTENT_DATA_H_
#define INC_PERSISTENT_DATA_H_
 
#include "stdint.h"
 
#ifdef __cplusplus
 
typedef union
  {
    uint16_t u16;
    int16_t  i16;
  } EEPROM_data_t;
 
enum GNSS_configration_t
{
  GNSS_NONE, // not really useful
  GNSS_M9N,     // single frequency module, usually on PCB
  GNSS_F9P_F9P, // D-GNSS using 2 * uBlox F9P, both on USART 3
  GNSS_F9P_F9H  // D-GNSS using F9P on USART 3 and F9H (heading) on USART4
};
 
enum EEPROM_PARAMETER_ID
{
  BOARD_ID = 0,
 
  SENS_TILT_ROLL = 1,
  SENS_TILT_PITCH,
  SENS_TILT_YAW,
 
  PITOT_OFFSET=4,
  PITOT_SPAN,
  QNH_OFFSET,
 
  MAG_X_OFF=10,
  MAG_X_SCALE,
  MAG_Y_OFF,
  MAG_Y_SCALE,
  MAG_Z_OFF,
  MAG_Z_SCALE,
  MAG_STD_DEVIATION,
  MAG_AUTO_CALIB,
 
  VARIO_TC=30,
  VARIO_INT_TC,
  WIND_TC,
  MEAN_WIND_TC,
  HORIZON,
 
  GNSS_CONFIGURATION=40,
  ANT_BASELENGTH,
  ANT_SLAVE_DOWN,
  ANT_SLAVE_RIGHT,
 
  EEPROM_PARAMETER_ID_END // 1 behind last parameter ID
};
 
class persistent_data_t
{
public:
  enum { MNEMONIC_LENGTH=16};
  EEPROM_PARAMETER_ID id;
  char mnemonic[MNEMONIC_LENGTH];
  bool is_an_angle;
  float default_value;
  EEPROM_data_t value;
};
 
const persistent_data_t * find_parameter_from_name( char * name);
const persistent_data_t * find_parameter_from_ID( EEPROM_PARAMETER_ID id);
 
// standard function to read configuration data from EEPROM
float configuration( EEPROM_PARAMETER_ID id);
bool write_EEPROM_value( EEPROM_PARAMETER_ID id, float value);
bool read_EEPROM_value( EEPROM_PARAMETER_ID id, float &value);
bool lock_EEPROM( bool lockit);
bool EEPROM_initialize( void);
void ensure_EEPROM_parameter_integrity(void);
 
extern const persistent_data_t PERSISTENT_DATA[];
extern const unsigned PERSISTENT_DATA_ENTRIES;
 
#endif 
 
#endif /* INC_PERSISTENT_DATA_H_ */