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Hi,

I bought an Arduino Mega ADK , and try to make simple sketch using the Arduino IDE.

But when I compile I get this message :

Code:
C:\Users\BipBip\Downloads\arduino-1.0.3-windows\arduino-1.0.3\libraries\UsbHost/AndroidAccessory.h: In function 'void setup()':
C:\Users\BipBip\Downloads\arduino-1.0.3-windows\arduino-1.0.3\libraries\UsbHost/AndroidAccessory.h:68: error: 'void AndroidAccessory::powerOn()' is private
sketch_jan11a:16: error: within this context
C:\Users\BipBip\Downloads\arduino-1.0.3-windows\arduino-1.0.3\libraries\UsbHost/AndroidAccessory.h: In function 'void loop()':
C:\Users\BipBip\Downloads\arduino-1.0.3-windows\arduino-1.0.3\libraries\UsbHost/AndroidAccessory.h:66: error: 'int AndroidAccessory::read(void*, int, unsigned int)' is private
sketch_jan11a:23: error: within this context

I don't know what I can do to resolve this problem.

There is my AndroidAccessory.cpp :

Code:
/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed 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 <Max3421e.h>
#include <UsbHost.h>
#include <AndroidAccessory.h>

#define USB_ACCESSORY_VENDOR_ID         0x18D1
#define USB_ACCESSORY_PRODUCT_ID        0x2D00

#define USB_ACCESSORY_ADB_PRODUCT_ID    0x2D01
#define ACCESSORY_STRING_MANUFACTURER   0
#define ACCESSORY_STRING_MODEL          1
#define ACCESSORY_STRING_DESCRIPTION    2
#define ACCESSORY_STRING_VERSION        3
#define ACCESSORY_STRING_URI            4
#define ACCESSORY_STRING_SERIAL         5

#define ACCESSORY_GET_PROTOCOL          51
#define ACCESSORY_SEND_STRING           52
#define ACCESSORY_START                 53


AndroidAccessory::AndroidAccessory(const char *manufacturer,
                                   const char *model,
                                   const char *description,
                                   const char *version,
                                   const char *uri,
                                   const char *serial) : manufacturer(manufacturer),
                                                         model(model),
                                                         description(description),
                                                         version(version),
                                                         uri(uri),
                                                         serial(serial),
                                                         connected(false)
{

}

boolean AndroidAccessory::begin(void) {
  powerOn();
  return true; // For forward compatibility with v2.x of the library
}

void AndroidAccessory::powerOn(void)
{
    max.powerOn();
    delay(200);
}

There is more code , but nothing important...


Can you give me a way to clear these problems ?
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try to make simple sketch using the Arduino IDE.

But when I compile I get this message :

There is my AndroidAccessory.cpp :

Which .cpp file is compiling when the errors occur? It may not be the AndroidAccessory.cpp library implementation - perhaps it's a problem in the sketch itself. Which we can't see yet, by the way.
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There is the sketch :

Code:

#include <Max3421e.h>
#include <Usb.h>
#include <AndroidAccessory.h>
#define  LED_PIN  13
AndroidAccessory acc("Manufacturer",
"Model",
"Description",
"1.0",
"http://yoursite.com",
                "0000000012345678");
void setup()
{
  // set communiation speed
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
  acc.powerOn();
}

void loop()
{
  byte msg[0];
  if (acc.isConnected()) {
    int len = acc.read(msg, sizeof(msg), 1); // read data into msg variable
    if (len > 0) {
      if (msg[0] == 1) // compare received data
        digitalWrite(LED_PIN,HIGH); // turn on light
      else
        digitalWrite(LED_PIN,LOW); // turn off light
    }
  }
  else
    digitalWrite(LED_PIN , LOW); // turn off light
}





I think the AndroidAccesory.h  included at the top uses the .cpp , no ?
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Quote
I don't know what I can do to resolve this problem.
What you can do is not use those private functions.
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