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modbus_get_byte_timeout

Name

modbus_get_byte_timeout - get timeout between bytes

Synopsis

int modbus_get_byte_timeout(modbus_t *ctx, uint32_t *to_sec, uint32_t *to_usec);

Description

The modbus_get_byte_timeout() function shall store the timeout interval between two consecutive bytes of the same message in the to_sec and to_usec arguments.

Return value

The function shall return 0 if successful. Otherwise it shall return -1 and set errno.

Errors

  • EINVAL, the context is NULL or one of to_sec / to_usec is NULL.

Example

uint32_t to_sec;
uint32_t to_usec;

/* Save original timeout */
modbus_get_byte_timeout(ctx, &to_sec, &to_usec);

See also