Decision.h

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#ifndef DECISION_H_
#define DECISION_H_

/*
 **************************************************************
 * Defines, Macros and Typedefs 
 **************************************************************/
/*** Constant Macros ***/
/* Default Yes and No defines */
#ifndef TRUE
 #define TRUE (1u)
#endif
#ifndef CLEAR
 #define CLEAR (0u)
#endif
#ifndef BITS_IN_NIBBLE
 #define BITS_IN_NIBBLE (4u)
#endif
#ifndef BITS_IN_BYTE
 #define BITS_IN_BYTE (8u)
#endif
#ifndef BYTES_IN_16
 #define BYTES_IN_16  (2u)
#endif
#ifndef BYTES_IN_32
 #define BYTES_IN_32  (4u)
#endif

#ifndef BIT_DEFINITION
 #define BIT_DEFINITION
 #define BIT0  (1u << 0u)
 #define BIT1  (1u << 1u)
 #define BIT2  (1u << 2u)
 #define BIT3  (1u << 3u)
 #define BIT4  (1u << 4u)
 #define BIT5  (1u << 5u)
 #define BIT6  (1u << 6u)
 #define BIT7  (1u << 7u)
 #define BIT8  (1u << 8u)
 #define BIT9  (1u << 9u)
 #define BIT10 (1u << 10)
 #define BIT11 (1u << 11)
 #define BIT12 (1u << 12)
 #define BIT13 (1u << 13)
 #define BIT14 (1u << 14)
 #define BIT15 (1u << 15)
 #define BIT16 (1u << 16)
 #define BIT17 (1u << 17)
 #define BIT18 (1u << 18)
 #define BIT19 (1u << 19)
 #define BIT20 (1u << 20)
 #define BIT21 (1u << 21)
 #define BIT22 (1u << 22)
 #define BIT23 (1u << 23)
 #define BIT24 (1u << 24)
 #define BIT25 (1u << 25)
 #define BIT26 (1u << 26)
 #define BIT27 (1u << 27)
 #define BIT28 (1u << 28)
 #define BIT29 (1u << 29)
 #define BIT30 (1u << 30)
 #define BIT31 (1u << 31)
#endif

/* Errors */
#define DECISION_ERROR_SAFING_PIN       BIT16
#define DECISION_ERROR_SAFING_REFERENCE BIT17
/*** Function Macros ***/
#ifndef N_ELEMENTS
 #define N_ELEMENTS(X)           (sizeof(X)/sizeof(*(X)))
#endif

/*** Enums ***/


/*** TypeDefs ***/

/*
 **************************************************************
 * Declarations 
 **************************************************************/
/*** Global ***/
/*** Static ***/

/*** Constant ***/
extern const uint16_t cau16PreDecisionValidStates[];
/*
 **************************************************************
 * Function Prototypes 
 **************************************************************/
/*
 ******************************************************************************
 *
 * Function:          u32fnDecisionMath()
 *
 */
static uint32_t u32fnDecisionMath(const uint16_t cu16PSI5Channels, 
                                  const uint16_t* pu16Acceleration, 
                                  uint16_t* pu16SatelliteSensedCrash);
/*
 ******************************************************************************
 *
 * Function:          u32fnDecisionSafing()
 *
 */
static uint32_t u32fnDecisionSafing(const uint16_t cu16CrashedSatellites, 
                                    const uint16_t* pu16CAAccel,
                                    uint16_t* pu16ConfirmedSatellites);
/*
 ******************************************************************************
 *
 * Function:          u32fnDecisionSelection()
 *
 */
static uint32_t u32fnDecisionSelection(const uint16_t cu16ConfirmedSatellites,
                                       const uint16_t cu16ActiveSquibs,
                                       uint16_t* pu16SquibsToFire);
#endif /* DECISION_H_ */