system_state.h

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/*
 * system_state.h
 *
 *  Created on: Jan 19, 2023
 *      Author: schaefer
 */
 
#ifndef INC_SYSTEM_STATE_H_
#define INC_SYSTEM_STATE_H_
 
enum availability_bits
{
    GNSS_AVAILABLE      = 1,
    D_GNSS_AVAILABLE    = 2,
 
    MTI_SENSOR_AVAILABE     = 0x10,
    FXOS_SENSOR_AVAILABLE   = 0x20,
    L3GD20_SENSOR_AVAILABLE = 0x40,
    MS5611_STATIC_AVAILABLE = 0x80,
    PITOT_SENSOR_AVAILABLE  = 0x200,
    AIR_SENSOR_AVAILABLE    = 0x400,
 
    USART_1_OUTPUT_ACTIVE   = 0x800,
    USB_OUTPUT_ACTIVE   = 0x1000,
    BLUEZ_OUTPUT_ACTIVE = 0x2000,
    CAN_OUTPUT_ACTIVE   = 0x4000,
    USART_2_OUTPUT_ACTIVE   = 0x8000
};
 
extern uint32_t system_state; 
 
inline void update_system_state_set( unsigned value)
{
    __atomic_or_fetch ( &system_state, value, __ATOMIC_ACQUIRE);
}
 
inline void update_system_state_clear( unsigned value)
{
    __atomic_and_fetch ( &system_state, ~value, __ATOMIC_ACQUIRE);
}
 
inline bool essential_sensors_available( bool need_DGNSS)
    {
    uint32_t essential_sensors_mask =
      GNSS_AVAILABLE |
      MTI_SENSOR_AVAILABE |
      MS5611_STATIC_AVAILABLE |
      PITOT_SENSOR_AVAILABLE;
 
    if( need_DGNSS)
      essential_sensors_mask |= D_GNSS_AVAILABLE;
 
    return( system_state & essential_sensors_mask) == essential_sensors_mask;
    }
 
#endif /* INC_SYSTEM_STATE_H_ */