rtos_eps_tasks.h File Reference

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Functions
void	TASK_service_eps_watchdog (void *argument)
	periodically sends a command to the eps to reset the watchdog timer
void	TASK_time_sync (void *argument)

Function Documentation

TASK_service_eps_watchdog()

void TASK_service_eps_watchdog

(

void *

argument

)

periodically sends a command to the eps to reset the watchdog timer

Note

The eps has two watchdog timers: The "watchdog reset" and the "peripheral reset". The "watchdog reset" resets the entire eps system when TTC_WDG_TIMEOUT (default 300s, see ISIS.EPS2.ICD.SW.IVID.7 pg. 85) seconds pass without a command being received. The "peripheral reset" resets the communication peripheral on the eps's mcu after 0.65 * TTC_WDG_TIMEOUT seconds. The "peripheral reset" allows for more graceful resets if the eps's communication peripheral was responsible for loss of connection.

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TASK_time_sync()

void TASK_time_sync

(

void *

argument

)

On boot, this thread sets the OBC time to the value of the EPS time. After that, it periodically checks the OBC time against the EPS time and logs when they diverge by more than 10 seconds.

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