sandbox/plc4c/drivers/s7/src/driver_s7.c

/*
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing,
  software distributed under the License is distributed on an
  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, either express or implied.  See the License for the
  specific language governing permissions and limitations
  under the License.
*/

#include "plc4c/driver_s7.h"
#include "plc4c/driver_s7_sm.h"
#include "plc4c/driver_s7_encode_decode.h"

plc4c_return_code plc4c_driver_s7_configure_function(
    plc4c_list* parameters, void** configuration) {
  plc4c_driver_s7_config* s7_config = malloc(sizeof(plc4c_driver_s7_config));
  if(s7_config == NULL) {
    return NO_MEMORY;
  }

  // Initialize the parts that the user can influence.
  s7_config->local_rack = 1;
  s7_config->local_slot = 1;
  s7_config->remote_rack = 0;
  s7_config->remote_slot = 0;
  s7_config->pdu_size = 1024;
  s7_config->max_amq_caller = 8;
  s7_config->max_amq_callee = 8;
  s7_config->controller_type = PLC4C_DRIVER_S7_CONTROLLER_TYPE_ANY;

  // TODO: Apply the values from the parameters.

  *configuration = s7_config;
  return OK;
}

plc4c_driver* plc4c_driver_s7_create() {
  plc4c_driver* driver = (plc4c_driver*)malloc(sizeof(plc4c_driver));
  driver->protocol_code = "s7";
  driver->protocol_name = "Siemens S7 (Basic)";
  driver->default_transport_code = "tcp";
  driver->parse_address_function = &plc4c_driver_s7_encode_address;
  driver->configure_function = &plc4c_driver_s7_configure_function;
  driver->connect_function = &plc4c_driver_s7_connect_function;
  driver->disconnect_function = &plc4c_driver_s7_disconnect_function;
  driver->read_function = &plc4c_driver_s7_read_function;
  driver->write_function = &plc4c_driver_s7_write_function;
  driver->subscribe_function = NULL;
  driver->unsubscribe_function = NULL;
  driver->free_read_response_function = &plc4c_driver_s7_free_read_response;
  driver->free_write_response_function = &plc4c_driver_s7_free_write_response;
  driver->free_subscription_response_function = NULL;
  driver->free_unsubscription_response_function = NULL;
  return driver;
}

/*
 *
 *   Static functions
 *
 */

char* plc4c_s7_read_write_parse_s7_string(plc4c_spi_read_buffer* io, int32_t stringLength, char* encoding) {
  // TODO: Implement ...
  return "";
}

time_t plc4c_s7_read_write_parse_tia_time(plc4c_spi_read_buffer* io) {
  // TODO: Implement ...
  return 0;
}

time_t plc4c_s7_read_write_parse_s5_time(plc4c_spi_read_buffer* io) {
  // TODO: Implement ...
  return 0;
}

time_t plc4c_s7_read_write_parse_tia_l_time(plc4c_spi_read_buffer* io) {
  // TODO: Implement ...
  return 0;
}

time_t plc4c_s7_read_write_parse_tia_date(plc4c_spi_read_buffer* io) {
  // TODO: Implement ...
  return 0;
}

time_t plc4c_s7_read_write_parse_tia_time_of_day(plc4c_spi_read_buffer* io) {
  // TODO: Implement ...
  return 0;
}

time_t plc4c_s7_read_write_parse_tia_date_time(plc4c_spi_read_buffer* io) {
  // TODO: Implement ...
  return 0;
}