Cut Down control

Functions to fire the cut down nichrome wire system. More...

Defines
#define	CUTDOWN_3D_FIX_COUNT   10
	Count of 3D fixes required to assert GPS altitude is valid.
Functions
bool_t	cutDownIsActivate ()
	Determine if cut down has been activated.
void	cutDownInit ()
	Initialize the cut down control system.
void	cutDownActivate ()
	Activate the I/O and timers for the cutdown.
void	cutDownCheck ()
	Fucntion that is called each time a new GPS message position report is received.
Variables
uint8_t	cutDownTimer
	Counter used to track how long the nichrome wire has been active.
uint8_t	cutDown3DFixCount
	Count of 3D fixes required to assert GPS altitude is valid.
bool_t	cutDownFlag
	Flag that is set when the cut down has been fired.

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Detailed Description

Functions to fire the cut down nichrome wire system.

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Define Documentation

#define CUTDOWN_3D_FIX_COUNT   10

Count of 3D fixes required to assert GPS altitude is valid.

Referenced by cutDownCheck().

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Function Documentation

void cutDownActivate

(

)

Activate the I/O and timers for the cutdown.

References cutDownFlag, cutDownTimer, and IO_CUT_DOWN.

Referenced by cutDownCheck().

void cutDownCheck

(

)

Fucntion that is called each time a new GPS message position report is received.

References cutDown3DFixCount, CUTDOWN_3D_FIX_COUNT, cutDownActivate(), cutDownFlag, cutDownTimer, GPS_3D_FIX, gpsGetFixType(), gpsPosition, IO_CUT_DOWN, and timeGetHours().

Referenced by main().

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void cutDownInit

(

)

Initialize the cut down control system.

References cutDown3DFixCount, cutDownFlag, and cutDownTimer.

Referenced by main().

bool_t cutDownIsActivate

(

)

Determine if cut down has been activated.

Returns:

true if cutdown activated; otehrwise false

References cutDownFlag.

Referenced by psk31CreateDataPacket().

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Variable Documentation

uint8_t cutDown3DFixCount

Count of 3D fixes required to assert GPS altitude is valid.

Referenced by cutDownCheck(), and cutDownInit().

bool_t cutDownFlag

Flag that is set when the cut down has been fired.

Referenced by cutDownActivate(), cutDownCheck(), cutDownInit(), and cutDownIsActivate().

uint8_t cutDownTimer

Counter used to track how long the nichrome wire has been active.

Referenced by cutDownActivate(), cutDownCheck(), and cutDownInit().