kdrive_express_tunnel_ind_addr.c

//
// Copyright (c) 2002-2023 WEINZIERL ENGINEERING GmbH
// All rights reserved.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY,
// WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
//
 
#include <stdio.h>
#include <stdlib.h>
#include <kdrive_express.h>
 
#define ERROR_MESSAGE_LEN       (128)   
/*******************************
** Private Functions
********************************/
 
static void read_additional_individual_addresses(int32_t ap);
static uint16_t read_tunn_ind_addr(int32_t ap);
static void write_tunn_ind_addr(int32_t ap, uint16_t address);
 
static void error_callback(error_t e, void* user_data);
 
static void event_callback(int32_t ap, uint32_t e, void* user_data);
 
/*******************************
** Main
********************************/
 
int main(int argc, char* argv[])
{
        uint16_t tunnel_address = 0xFF12;
        int32_t ap = 0;
 
        /*
                Configure the logging level and console logger
        */
        kdrive_logger_set_level(KDRIVE_LOGGER_INFORMATION);
        kdrive_logger_console();
 
        /*
                We register an error callback as a convenience logger function to
                print out the error message when an error occurs.
        */
        kdrive_register_error_callback(&error_callback, NULL);
 
        /*
                We create a Access Port descriptor. This descriptor is then used for
                all calls to that specific access port.
        */
        ap = kdrive_ap_create();
 
        /*
                We check that we were able to allocate a new descriptor
                This should always happen, unless a bad_alloc exception is internally thrown
                which means the memory couldn't be allocated.
        */
        if (ap == KDRIVE_INVALID_DESCRIPTOR)
        {
                printf("Unable to create access port. This is a terminal failure\n");
                while (1)
                {
                        ;
                }
        }
 
        /*
                We register an event callback to notify of the Access Port Events
                For example: KDRIVE_EVENT_TERMINATED
        */
        kdrive_set_event_callback(ap, &event_callback, NULL);
 
        /*
                Open a Tunneling connection with a specific IP Interface,
                you will probably have to change the IP address
        */
        if (kdrive_ap_open_ip_tunn(ap, "192.168.1.45", 0, 0) == KDRIVE_ERROR_NONE)
        {
                /*
                        Read all additional individual addresses
                */
                read_additional_individual_addresses(ap);
 
                /*
                        Read the tunnel individual address
                */
                tunnel_address = read_tunn_ind_addr(ap);
 
                /*
                        Write the tunnel individual address
                */
                write_tunn_ind_addr(ap, 0xFF12);
                read_tunn_ind_addr(ap);
                write_tunn_ind_addr(ap, tunnel_address);
                read_tunn_ind_addr(ap);
 
                kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Press [Enter] to exit the application ...");
                getchar();
 
                /* close the access port */
                kdrive_ap_close(ap);
        }
 
        /* releases the access port */
        kdrive_ap_release(ap);
 
        return 0;
}
 
/*******************************
** Private Functions
********************************/
 
void read_additional_individual_addresses(int32_t ap)
{
        uint32_t index = 0;
        uint16_t addresses[10];
        uint32_t addresses_len = 10;
 
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Read all additional individual addresses");
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "========================================");
 
        if (kdrive_ap_get_additional_ind_addr(ap, addresses, &addresses_len) == KDRIVE_ERROR_NONE)
        {
                for (index = 0; index < addresses_len; ++index)
                {
                        kdrive_logger_ex(KDRIVE_LOGGER_INFORMATION, "- 0x%04X", addresses[index]);
                }
        }
 
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "");
}
 
uint16_t read_tunn_ind_addr(int32_t ap)
{
        uint16_t address = 0;
 
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Read the tunnel individual address");
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "==================================");
 
        if (kdrive_ap_get_tunnel_ind_addr(ap, &address) == KDRIVE_ERROR_NONE)
        {
                kdrive_logger_ex(KDRIVE_LOGGER_INFORMATION, "Tunnel address 0x%04X", address);
        }
 
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "");
 
        return address;
}
 
void write_tunn_ind_addr(int32_t ap, uint16_t address)
{
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Write the tunnel individual address");
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "===================================");
 
        kdrive_ap_set_tunnel_ind_addr(ap, address);
 
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "");
}
 
void error_callback(error_t e, void* user_data)
{
        if (e != KDRIVE_TIMEOUT_ERROR)
        {
                static char error_message[ERROR_MESSAGE_LEN];
                kdrive_get_error_message(e, error_message, ERROR_MESSAGE_LEN);
                kdrive_logger_ex(KDRIVE_LOGGER_ERROR, "kdrive error: %s", error_message);
        }
}
 
void event_callback(int32_t ap, uint32_t e, void* user_data)
{
        switch (e)
        {
                case KDRIVE_EVENT_ERROR:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Access Port Error");
                        break;
 
                case KDRIVE_EVENT_OPENING:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Access Port Opening");
                        break;
 
                case KDRIVE_EVENT_OPENED:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Access Port Opened");
                        break;
 
                case KDRIVE_EVENT_CLOSED:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Access Port Closed");
                        break;
 
                case KDRIVE_EVENT_CLOSING:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Access Port Closing");
                        break;
 
                case KDRIVE_EVENT_TERMINATED:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Access Port Terminated");
                        break;
 
                case KDRIVE_EVENT_KNX_BUS_CONNECTED:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "KNX Bus Connected");
                        break;
 
                case KDRIVE_EVENT_KNX_BUS_DISCONNECTED:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "KNX Bus Disconnected");
                        break;
 
                case KDRIVE_EVENT_LOCAL_DEVICE_RESET:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Local Device Reset");
                        break;
 
                case KDRIVE_EVENT_TELEGRAM_INDICATION:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Telegram Indication");
                        break;
 
                case KDRIVE_EVENT_TELEGRAM_CONFIRM:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Telegram Confirm");
                        break;
 
                case KDRIVE_EVENT_TELEGRAM_CONFIRM_TIMEOUT:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Telegram Confirm Timeout");
                        break;
 
                case KDRIVE_EVENT_INTERNAL_01:
                        break;
 
                default:
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Unknown kdrive event");
                        break;
        }
}