set_device_name.cpp

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// - Manager simple -
// This is a simple example showing how to setup a phidget manager and display a list of the currently connected
// Phidgets devices to the PC.
//
// Copyright 2008 Phidgets Inc.  All rights reserved.
// This work is licensed under the Creative Commons Attribution 2.5 Canada License. 
// view a copy of this license, visit http://creativecommons.org/licenses/by/2.5/ca/

#include <ros/ros.h>

#include <stdio.h>
#include <cstdio>
#include <libphidgets/phidget21.h>

int display_devices(CPhidgetManagerHandle MAN);

int AttachHandler(CPhidgetHandle phid, void *userPtr)
{
        int serialNo;
        const char *name;
        CPhidget_DeviceID id;
        CPhidget_DeviceClass cls;

        CPhidget_getDeviceName (phid, &name);
        CPhidget_getSerialNumber(phid, &serialNo);
        CPhidget_getDeviceClass(phid, &cls);
        CPhidget_getDeviceID(phid, &id);

        printf("%s %10d attached! (%d, %d) \n", name, serialNo, cls, id);

        display_devices((CPhidgetManagerHandle)userPtr);

        return 0;
}

int DetachHandler(CPhidgetHandle phid, void *userPtr)
{
        int serialNo;
        const char *name;

        CPhidget_getDeviceName (phid, &name);
        CPhidget_getSerialNumber(phid, &serialNo);
        printf("%s %10d detached!\n", name, serialNo);

        return 0;
}

int ErrorHandler(CPhidgetManagerHandle MAN, void *usrptr, int Code, const char *Description)
{
        printf("Error handled. %d - %s\n", Code, Description);
        return 0;
}

//Display the properties of the attached phidget(s) to the screen.  We will be displaying the name, serial number and version of the attached device(s).
int display_devices(CPhidgetManagerHandle MAN)
{
        int serialNo, version, numDevices, i;
        const char* ptr;
        const char* label;
        CPhidgetHandle *devices;

        CPhidgetManager_getAttachedDevices (MAN, &devices, &numDevices);

        printf("|-   # -|-        Label       -|-              Type              -|- Serial No. -|-  Version -|\n");
        printf("|-------|----------------------|----------------------------------|--------------|------------|\n");


        for(i = 0; i < numDevices; i++)
        {
                CPhidget_getDeviceType(devices[i], &ptr);
                CPhidget_getDeviceLabel(devices[i], &label);
                CPhidget_getSerialNumber(devices[i], &serialNo);
                CPhidget_getDeviceVersion(devices[i], &version);

                printf("|- %3d -|- %18s -|- %30s -|- %10d -|- %8d -|\n", i, label, ptr, serialNo, version);
                printf("|-------|----------------------|----------------------------------|--------------|------------|\n");
        }

        CPhidgetManager_freeAttachedDevicesArray(devices);

        printf("\nPress r to rename\n");
        printf("Press q to exit\n");

        return 0;
}

void set_label(CPhidgetManagerHandle MAN, int index)
{
        int numDevices;
        char choise;
        const char* label_old;
        std::string label_new;
        CPhidgetHandle *devices;

        printf("index: %d\n", index);

        CPhidgetManager_getAttachedDevices (MAN, &devices, &numDevices);
        CPhidget_getDeviceLabel(devices[index], &label_old);

        printf("\nenter new label: ");
        getline(std::cin, label_new);

        printf("\n old label: %s \n”", label_old);
        printf("new label: %s \n", label_new.c_str());
        printf("is this correct? [Y/n]: ");
        choise = getchar();
        getchar();
        switch(choise)
        {
                case '\n':
                case 'Y':
                case 'y':
                        if(CPhidget_setDeviceLabel(devices[index], label_new.c_str()) == EPHIDGET_OK)
                                printf("\nnew label is: %s \n", label_new.c_str());
                        else
                                printf("\nerror setting label!\n");
                        break;
                case 'n':
                        printf("\nlabel is still: %s \n", label_old);
                        break;
                default:
                        break;
        };

}

int set_device_label()
{
        int err;
        //Declare an Manager handle
        CPhidgetManagerHandle man = 0;

        CPhidget_enableLogging(PHIDGET_LOG_VERBOSE, NULL);

        //create the Manager object
        CPhidgetManager_create(&man);

        //Set the handlers to be run when the device is plugged in or opened from software, unplugged or closed from software, or generates an error.
        //CPhidgetManager_set_OnAttach_Handler(man, AttachHandler, man);
        //CPhidgetManager_set_OnDetach_Handler(man, DetachHandler, man);
        //CPhidgetManager_set_OnError_Handler(man, ErrorHandler, NULL);

        //open the Manager for device connections
        CPhidgetManager_open(man);

        sleep(10);

        if ((err = CPhidget_waitForAttachment((CPhidgetHandle) man, 10000))
                        != EPHIDGET_OK)
        {
                const char *errStr;
                CPhidget_getErrorDescription(err, &errStr);
                printf("Error waiting for attachment: (%d): %s", err, errStr);
        }

        char choise;
        display_devices(man);

        //end simulation
        choise = getchar();
        getchar();
        switch (choise)
        {
                case 'r':
                        printf("Press index number of device you would like to rename\n");
                        choise = getchar();
                        getchar();
                        set_label(man, atoi(&choise));
                        break;
                case 'q':
                        break;
                default:
                        printf("Error\n");
        };
        //since user input has been read, this is a signal to terminate the program so we will close the phidget and delete the object we created
        printf("Closing...\n");
        CPhidgetManager_close(man);
        CPhidgetManager_delete(man);

        //all done, exit
        return 0;
}

int main(int argc, char* argv[])
{
        set_device_label();
        return 0;
}