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/*
 * @file circuit_breaker.c
 *
 * Circuit breaker parameters.
 * Analog to real aviation circuit breakers these parameters
 * allow to disable subsystems. They are not supported as standard
 * operation procedure and are only provided for development purposes.
 * To ensure they are not activated accidentally, the associated
 * parameter needs to set to the key (magic).
 */

#include <systemlib/param/param.h>
#include <systemlib/circuit_breaker.h>

/**
 * Circuit breaker for power supply check
 *
 * Setting this parameter to 894281 will disable the power valid
 * checks in the commander.
 * WARNING: ENABLING THIS CIRCUIT BREAKER IS AT OWN RISK
 *
 * @min 0
 * @max 894281
 * @group Circuit Breaker
 */
PARAM_DEFINE_INT32(CBRK_SUPPLY_CHK, 0);

/**
 * Circuit breaker for rate controller output
 *
 * Setting this parameter to 140253 will disable the rate
 * controller uORB publication.
 * WARNING: ENABLING THIS CIRCUIT BREAKER IS AT OWN RISK
 *
 * @min 0
 * @max 140253
 * @group Circuit Breaker
 */
PARAM_DEFINE_INT32(CBRK_RATE_CTRL, 0);

/**
 * Circuit breaker for IO safety
 *
 * Setting this parameter to 894281 will disable IO safety.
 * WARNING: ENABLING THIS CIRCUIT BREAKER IS AT OWN RISK
 *
 * @min 0
 * @max 22027
 * @group Circuit Breaker
 */
PARAM_DEFINE_INT32(CBRK_IO_SAFETY, 0);

/**
 * Circuit breaker for airspeed sensor
 *
 * Setting this parameter to 162128 will disable the check for an airspeed sensor.
 * WARNING: ENABLING THIS CIRCUIT BREAKER IS AT OWN RISK
 *
 * @min 0
 * @max 162128
 * @group Circuit Breaker
 */
PARAM_DEFINE_INT32(CBRK_AIRSPD_CHK, 0);

bool circuit_breaker_enabled(const char* breaker, int32_t magic)
{
	int32_t val;
	(void)param_get(param_find(breaker), &val);

	return (val == magic);
}