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UC-7101/7110/7112 Software User’s Manual UC-7101/7110/7112 Device API

5-4

Output

0 (zero) for no error. Any other number indicates an error. You can get the error code from errno().

int swtd_disable (int fd)

Description

Disable the application to ack sWatchDog. The kernel will auto ack it. Users does not to do it

periodically.

Input

int fd—the file handle from swtd_open() return value.

Output

0 (zero) for no error. Any other number indicates an error. You can get the error code from errno().

int swtd_get (int fd, int *mode, unsigned long *time)

Description

Get current setting values.

Mode—1 for user application enable sWatchDog: need to do ack.

0 for user application disable sWatchdog: does not need to do ack.

time – The time period to ack sWatchDog.

Input

int fd—the file handle from swtd_open() return value.

int *mode—the function will be return the status enable or disable user application need to do ack.

unsigned long *time—the function will return the current time period.

Output

0 (zero) for no error. Any other number indicates an error. You can get the error code from errno().

int swtd_ack (int fd)

Description

Acknowledge sWatchDog. When the user application has enabled sWatchDog, it will call this

function periodically with a user-predefined time in the application program.

Input

int fd—the file handle from swtd_open() return value.

Output

0 (zero) for no error. Any other number indicates an error. You can get the error code from errno().

int swtd_close (int fd)

Description

Close the file handle.

Input

int fd—the file handle from swtd_open() return value.

Output

0 (zero) for no error. Any other number indicates an error. You can get the error code from errno().