modbus_get_response_timeout

Name

modbus_get_response_timeout - get timeout for response

Synopsis
    int modbus_get_response_timeout(modbus_t *ctx, uint32_t *to_sec, uint32_t *to_usec);

Description

The modbus_get_response_timeout() function shall return the timeout interval used to wait for a response 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.

Example:
    uint32_t old_response_to_sec;
    uint32_t old_response_to_usec;
    /* Save original timeout */
    modbus_get_response_timeout(ctx, &old_response_to_sec, &old_response_to_usec);
    /* Define a new and too short timeout! */
    modbus_set_response_timeout(ctx, 0, 0);

See also

    •   modbus_set_response_timeout ⟨modbus_set_response_timeout.md⟩

    •   modbus_get_byte_timeout ⟨modbus_get_byte_timeout.md⟩

    •   modbus_set_byte_timeout ⟨modbus_set_byte_timeout.md⟩