rf_antenna_switch.h

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#ifndef INCLUDE_GUARD__RF_ANTENNA_SWITCH
#define INCLUDE_GUARD__RF_ANTENNA_SWITCH
 
#include <stdint.h>
 
typedef enum {
    COMMS_RF_SWITCH_CONTROL_MODE_TOGGLE_BEFORE_EVERY_BEACON = 0, // Default.
    COMMS_RF_SWITCH_CONTROL_MODE_FORCE_ANT1 = 1,
    COMMS_RF_SWITCH_CONTROL_MODE_FORCE_ANT2 = 2,
    COMMS_RF_SWITCH_CONTROL_MODE_USE_ADCS_NORMAL = 3,
    COMMS_RF_SWITCH_CONTROL_MODE_USE_ADCS_FLIPPED = 4, // Redundant implementation that assumes the antennas are backwards.
    // TODO: Implement a RSSI auto-selection mode, where it selects based on the strongest uplink RSSI
    COMMS_RF_SWITCH_CONTROL_MODE_UNKNOWN = 255, // Used for error handling in string parser.
} COMMS_rf_switch_control_mode_enum_t;
 
extern uint8_t COMMS_active_rf_switch_antenna;
extern COMMS_rf_switch_control_mode_enum_t COMMS_rf_switch_control_mode;
extern uint32_t COMMS_max_duration_without_uplink_before_setting_default_rf_switch_mode_sec;
 
void COMMS_set_rf_switch_state(uint8_t antenna_num);
 
uint8_t COMMS_find_optimal_antenna_using_adcs();
void COMMS_toggle_rf_switch_state();
 
COMMS_rf_switch_control_mode_enum_t COMMS_rf_switch_control_mode_enum_from_string(const char *str);
const char* COMMS_rf_switch_control_mode_enum_to_string(COMMS_rf_switch_control_mode_enum_t mode);
 
 
#endif // INCLUDE_GUARD__RF_ANTENNA_SWITCH